diff --git "a/parse/train/S1ldO2EFPr/S1ldO2EFPr_middle.json" "b/parse/train/S1ldO2EFPr/S1ldO2EFPr_middle.json" new file mode 100644--- /dev/null +++ "b/parse/train/S1ldO2EFPr/S1ldO2EFPr_middle.json" @@ -0,0 +1,101642 @@ +{ + "pdf_info": [ + { + "preproc_blocks": [ + { + "type": "title", + "bbox": [ + 107, + 78, + 502, + 116 + ], + "lines": [ + { + "bbox": [ + 107, + 78, + 505, + 97 + ], + "spans": [ + { + "bbox": [ + 107, + 78, + 505, + 97 + ], + "score": 1.0, + "content": "GRAPH NEURAL NETWORKS EXPONENTIALLY LOSE", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 106, + 99, + 470, + 118 + ], + "spans": [ + { + "bbox": [ + 106, + 99, + 470, + 118 + ], + "score": 1.0, + "content": "EXPRESSIVE POWER FOR NODE CLASSIFICATION", + "type": "text" + } + ], + "index": 1 + } + ], + "index": 0.5 + }, + { + "type": "text", + "bbox": [ + 113, + 133, + 348, + 181 + ], + "lines": [ + { + "bbox": [ + 111, + 134, + 246, + 147 + ], + "spans": [ + { + "bbox": [ + 111, + 134, + 246, + 147 + ], + "score": 1.0, + "content": "Kenta Oono1, 2, Taiji Suzuki1, 3", + "type": "text" + } + ], + "index": 2 + }, + { + "bbox": [ + 112, + 145, + 349, + 160 + ], + "spans": [ + { + "bbox": [ + 112, + 145, + 349, + 160 + ], + "score": 1.0, + "content": "{kenta oono, taiji}@mist.i.u-tokyo.ac.jp", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 112, + 156, + 322, + 170 + ], + "spans": [ + { + "bbox": [ + 112, + 156, + 322, + 170 + ], + "score": 1.0, + "content": "1The University of Tokyo 2Preferred Networks, Inc.", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 111, + 167, + 340, + 183 + ], + "spans": [ + { + "bbox": [ + 111, + 167, + 340, + 183 + ], + "score": 1.0, + "content": "3RIKEN Center for Advanced Intelligence Project (AIP)", + "type": "text" + } + ], + "index": 5 + } + ], + "index": 3.5 + }, + { + "type": "title", + "bbox": [ + 278, + 210, + 333, + 222 + ], + "lines": [ + { + "bbox": [ + 276, + 208, + 336, + 224 + ], + "spans": [ + { + "bbox": [ + 276, + 208, + 336, + 224 + ], + "score": 1.0, + "content": "ABSTRACT", + "type": "text" + } + ], + "index": 6 + } + ], + "index": 6 + }, + { + "type": "text", + "bbox": [ + 143, + 234, + 468, + 443 + ], + "lines": [ + { + "bbox": [ + 142, + 234, + 469, + 247 + ], + "spans": [ + { + "bbox": [ + 142, + 234, + 469, + 247 + ], + "score": 1.0, + "content": "Graph Neural Networks (graph NNs) are a promising deep learning approach for", + "type": "text" + } + ], + "index": 7 + }, + { + "bbox": [ + 142, + 246, + 469, + 258 + ], + "spans": [ + { + "bbox": [ + 142, + 246, + 469, + 258 + ], + "score": 1.0, + "content": "analyzing graph-structured data. However, it is known that they do not improve", + "type": "text" + } + ], + "index": 8 + }, + { + "bbox": [ + 141, + 255, + 470, + 270 + ], + "spans": [ + { + "bbox": [ + 141, + 255, + 470, + 270 + ], + "score": 1.0, + "content": "(or sometimes worsen) their predictive performance as we pile up many layers and", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 141, + 267, + 470, + 280 + ], + "spans": [ + { + "bbox": [ + 141, + 267, + 470, + 280 + ], + "score": 1.0, + "content": "add non-lineality. To tackle this problem, we investigate the expressive power of", + "type": "text" + } + ], + "index": 10 + }, + { + "bbox": [ + 141, + 278, + 470, + 290 + ], + "spans": [ + { + "bbox": [ + 141, + 278, + 470, + 290 + ], + "score": 1.0, + "content": "graph NNs via their asymptotic behaviors as the layer size tends to infinity. Our", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 141, + 290, + 470, + 301 + ], + "spans": [ + { + "bbox": [ + 141, + 290, + 470, + 301 + ], + "score": 1.0, + "content": "strategy is to generalize the forward propagation of a Graph Convolutional Net-", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 141, + 300, + 469, + 313 + ], + "spans": [ + { + "bbox": [ + 141, + 300, + 469, + 313 + ], + "score": 1.0, + "content": "work (GCN), which is a popular graph NN variant, as a specific dynamical sys-", + "type": "text" + } + ], + "index": 13 + }, + { + "bbox": [ + 142, + 312, + 469, + 322 + ], + "spans": [ + { + "bbox": [ + 142, + 312, + 469, + 322 + ], + "score": 1.0, + "content": "tem. In the case of a GCN, we show that when its weights satisfy the conditions", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 141, + 322, + 469, + 334 + ], + "spans": [ + { + "bbox": [ + 141, + 322, + 469, + 334 + ], + "score": 1.0, + "content": "determined by the spectra of the (augmented) normalized Laplacian, its output ex-", + "type": "text" + } + ], + "index": 15 + }, + { + "bbox": [ + 141, + 333, + 470, + 345 + ], + "spans": [ + { + "bbox": [ + 141, + 333, + 470, + 345 + ], + "score": 1.0, + "content": "ponentially approaches the set of signals that carry information of the connected", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 141, + 344, + 469, + 356 + ], + "spans": [ + { + "bbox": [ + 141, + 344, + 469, + 356 + ], + "score": 1.0, + "content": "components and node degrees only for distinguishing nodes. Our theory enables", + "type": "text" + } + ], + "index": 17 + }, + { + "bbox": [ + 141, + 355, + 469, + 367 + ], + "spans": [ + { + "bbox": [ + 141, + 355, + 469, + 367 + ], + "score": 1.0, + "content": "us to relate the expressive power of GCNs with the topological information of the", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 141, + 365, + 470, + 379 + ], + "spans": [ + { + "bbox": [ + 141, + 365, + 470, + 379 + ], + "score": 1.0, + "content": "underlying graphs inherent in the graph spectra. To demonstrate this, we charac-", + "type": "text" + } + ], + "index": 19 + }, + { + "bbox": [ + 141, + 376, + 469, + 388 + ], + "spans": [ + { + "bbox": [ + 141, + 376, + 469, + 388 + ], + "score": 1.0, + "content": "terize the asymptotic behavior of GCNs on the Erdos – R˝ enyi graph. We show´", + "type": "text" + } + ], + "index": 20 + }, + { + "bbox": [ + 141, + 388, + 470, + 400 + ], + "spans": [ + { + "bbox": [ + 141, + 388, + 470, + 400 + ], + "score": 1.0, + "content": "that when the Erdos – R ˝ enyi graph is sufficiently dense and large, a broad range ´", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 141, + 398, + 469, + 411 + ], + "spans": [ + { + "bbox": [ + 141, + 398, + 469, + 411 + ], + "score": 1.0, + "content": "of GCNs on it suffers from the “information loss” in the limit of infinite layers", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 142, + 410, + 469, + 422 + ], + "spans": [ + { + "bbox": [ + 142, + 410, + 469, + 422 + ], + "score": 1.0, + "content": "with high probability. Based on the theory, we provide a principled guideline for", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 142, + 420, + 470, + 434 + ], + "spans": [ + { + "bbox": [ + 142, + 420, + 470, + 434 + ], + "score": 1.0, + "content": "weight normalization of graph NNs. We experimentally confirm that the proposed", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 142, + 432, + 442, + 443 + ], + "spans": [ + { + "bbox": [ + 142, + 432, + 442, + 443 + ], + "score": 1.0, + "content": "weight scaling enhances the predictive performance of GCNs in real data1.", + "type": "text" + } + ], + "index": 25 + } + ], + "index": 16 + }, + { + "type": "title", + "bbox": [ + 108, + 463, + 206, + 475 + ], + "lines": [ + { + "bbox": [ + 105, + 462, + 208, + 478 + ], + "spans": [ + { + "bbox": [ + 105, + 462, + 208, + 478 + ], + "score": 1.0, + "content": "1 INTRODUCTION", + "type": "text" + } + ], + "index": 26 + } + ], + "index": 26 + }, + { + "type": "text", + "bbox": [ + 107, + 488, + 505, + 565 + ], + "lines": [ + { + "bbox": [ + 106, + 488, + 505, + 500 + ], + "spans": [ + { + "bbox": [ + 106, + 488, + 505, + 500 + ], + "score": 1.0, + "content": "Motivated by the success of Deep Learning (DL), several attempts have been made to apply DL mod-", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 105, + 499, + 505, + 512 + ], + "spans": [ + { + "bbox": [ + 105, + 499, + 505, + 512 + ], + "score": 1.0, + "content": "els to non-Euclidean data, particularly, graph-structured data such as chemical compounds, social", + "type": "text" + } + ], + "index": 28 + }, + { + "bbox": [ + 105, + 510, + 505, + 522 + ], + "spans": [ + { + "bbox": [ + 105, + 510, + 505, + 522 + ], + "score": 1.0, + "content": "networks, and polygons. Recently, Graph Neural Networks (graph NNs) (Duvenaud et al., 2015; Li", + "type": "text" + } + ], + "index": 29 + }, + { + "bbox": [ + 105, + 520, + 505, + 533 + ], + "spans": [ + { + "bbox": [ + 105, + 520, + 505, + 533 + ], + "score": 1.0, + "content": "et al., 2016; Gilmer et al., 2017; Hamilton et al., 2017; Kipf & Welling, 2017; Nguyen et al., 2017;", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 105, + 531, + 506, + 545 + ], + "spans": [ + { + "bbox": [ + 105, + 531, + 506, + 545 + ], + "score": 1.0, + "content": "Schlichtkrull et al., 2018; Battaglia et al., 2018; Xu et al., 2019; Wu et al., 2019a) have emerged as a", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 105, + 542, + 506, + 555 + ], + "spans": [ + { + "bbox": [ + 105, + 542, + 506, + 555 + ], + "score": 1.0, + "content": "promising approach. However, despite their practical popularity, theoretical research of graph NNs", + "type": "text" + } + ], + "index": 32 + }, + { + "bbox": [ + 105, + 552, + 245, + 567 + ], + "spans": [ + { + "bbox": [ + 105, + 552, + 245, + 567 + ], + "score": 1.0, + "content": "has not been explored extensively.", + "type": "text" + } + ], + "index": 33 + } + ], + "index": 30 + }, + { + "type": "text", + "bbox": [ + 107, + 570, + 505, + 713 + ], + "lines": [ + { + "bbox": [ + 106, + 570, + 505, + 584 + ], + "spans": [ + { + "bbox": [ + 106, + 570, + 505, + 584 + ], + "score": 1.0, + "content": "The characterization of DL model expressive power, i.e., to identify what function classes DL mod-", + "type": "text" + } + ], + "index": 34 + }, + { + "bbox": [ + 105, + 581, + 505, + 594 + ], + "spans": [ + { + "bbox": [ + 105, + 581, + 505, + 594 + ], + "score": 1.0, + "content": "els can (approximately) represent, is a fundamental question in theoretical research of DL. Many", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 106, + 593, + 504, + 605 + ], + "spans": [ + { + "bbox": [ + 106, + 593, + 504, + 605 + ], + "score": 1.0, + "content": "studies have been conducted for Fully Connected Neural Networks (FNNs) (Cybenko, 1989; Hornik,", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 106, + 603, + 505, + 616 + ], + "spans": [ + { + "bbox": [ + 106, + 603, + 505, + 616 + ], + "score": 1.0, + "content": "1991; Hornik et al., 1989; Barron, 1993; Mhaskar, 1993; Sonoda & Murata, 2017; Yarotsky, 2017)", + "type": "text" + } + ], + "index": 37 + }, + { + "bbox": [ + 105, + 614, + 505, + 627 + ], + "spans": [ + { + "bbox": [ + 105, + 614, + 505, + 627 + ], + "score": 1.0, + "content": "and Convolutional Neural Networks (CNNs) (Petersen & Voigtlaender, 2018; Zhou, 2018; Oono &", + "type": "text" + } + ], + "index": 38 + }, + { + "bbox": [ + 105, + 624, + 505, + 639 + ], + "spans": [ + { + "bbox": [ + 105, + 624, + 505, + 639 + ], + "score": 1.0, + "content": "Suzuki, 2019). For such models, we have theoretical and empirical justification that deep and non-", + "type": "text" + } + ], + "index": 39 + }, + { + "bbox": [ + 105, + 635, + 506, + 650 + ], + "spans": [ + { + "bbox": [ + 105, + 635, + 506, + 650 + ], + "score": 1.0, + "content": "linear architectures can enhance representation power (Telgarsky, 2016; Chen et al., 2018b; Zhou", + "type": "text" + } + ], + "index": 40 + }, + { + "bbox": [ + 105, + 646, + 506, + 662 + ], + "spans": [ + { + "bbox": [ + 105, + 646, + 506, + 662 + ], + "score": 1.0, + "content": "& Feng, 2018). However, for graph NNs, several papers have reported that node representations go", + "type": "text" + } + ], + "index": 41 + }, + { + "bbox": [ + 105, + 657, + 506, + 672 + ], + "spans": [ + { + "bbox": [ + 105, + 657, + 506, + 672 + ], + "score": 1.0, + "content": "indistinguishable (known as over-smoothing) and prediction performances severely degrade when", + "type": "text" + } + ], + "index": 42 + }, + { + "bbox": [ + 105, + 668, + 505, + 682 + ], + "spans": [ + { + "bbox": [ + 105, + 668, + 505, + 682 + ], + "score": 1.0, + "content": "we stack many layers (Kipf & Welling, 2017; Wu et al., 2019b; Li et al., 2018). Besides, Wu et al.", + "type": "text" + } + ], + "index": 43 + }, + { + "bbox": [ + 105, + 680, + 505, + 693 + ], + "spans": [ + { + "bbox": [ + 105, + 680, + 505, + 693 + ], + "score": 1.0, + "content": "(2019a) reported that graph NNs achieved comparable performance even if they removed interme-", + "type": "text" + } + ], + "index": 44 + }, + { + "bbox": [ + 105, + 691, + 505, + 704 + ], + "spans": [ + { + "bbox": [ + 105, + 691, + 505, + 704 + ], + "score": 1.0, + "content": "diate non-linear functions. These studies posed a question about the current architecture and made", + "type": "text" + } + ], + "index": 45 + }, + { + "bbox": [ + 105, + 701, + 439, + 716 + ], + "spans": [ + { + "bbox": [ + 105, + 701, + 439, + 716 + ], + "score": 1.0, + "content": "us aware of the need for the theoretical analysis of the graph NN expressive power.", + "type": "text" + } + ], + "index": 46 + } + ], + "index": 40 + } + ], + "page_idx": 0, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 118, + 722, + 435, + 732 + ], + "lines": [ + { + "bbox": [ + 119, + 720, + 437, + 734 + ], + "spans": [ + { + "bbox": [ + 119, + 720, + 437, + 734 + ], + "score": 1.0, + "content": "1Code is available at https://github.com/delta2323/gnn-asymptotics.", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 107, + 27, + 294, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 25, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 25, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 302, + 752, + 308, + 760 + ], + "lines": [ + { + "bbox": [ + 302, + 751, + 309, + 762 + ], + "spans": [ + { + "bbox": [ + 302, + 751, + 309, + 762 + ], + "score": 1.0, + "content": "1", + "type": "text" + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "title", + "bbox": [ + 107, + 78, + 502, + 116 + ], + "lines": [ + { + "bbox": [ + 107, + 78, + 505, + 97 + ], + "spans": [ + { + "bbox": [ + 107, + 78, + 505, + 97 + ], + "score": 1.0, + "content": "GRAPH NEURAL NETWORKS EXPONENTIALLY LOSE", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 106, + 99, + 470, + 118 + ], + "spans": [ + { + "bbox": [ + 106, + 99, + 470, + 118 + ], + "score": 1.0, + "content": "EXPRESSIVE POWER FOR NODE CLASSIFICATION", + "type": "text" + } + ], + "index": 1 + } + ], + "index": 0.5 + }, + { + "type": "text", + "bbox": [ + 113, + 133, + 348, + 181 + ], + "lines": [ + { + "bbox": [ + 111, + 134, + 246, + 147 + ], + "spans": [ + { + "bbox": [ + 111, + 134, + 246, + 147 + ], + "score": 1.0, + "content": "Kenta Oono1, 2, Taiji Suzuki1, 3", + "type": "text" + } + ], + "index": 2 + }, + { + "bbox": [ + 112, + 145, + 349, + 160 + ], + "spans": [ + { + "bbox": [ + 112, + 145, + 349, + 160 + ], + "score": 1.0, + "content": "{kenta oono, taiji}@mist.i.u-tokyo.ac.jp", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 112, + 156, + 322, + 170 + ], + "spans": [ + { + "bbox": [ + 112, + 156, + 322, + 170 + ], + "score": 1.0, + "content": "1The University of Tokyo 2Preferred Networks, Inc.", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 111, + 167, + 340, + 183 + ], + "spans": [ + { + "bbox": [ + 111, + 167, + 340, + 183 + ], + "score": 1.0, + "content": "3RIKEN Center for Advanced Intelligence Project (AIP)", + "type": "text" + } + ], + "index": 5 + } + ], + "index": 3.5, + "bbox_fs": [ + 111, + 134, + 349, + 183 + ] + }, + { + "type": "title", + "bbox": [ + 278, + 210, + 333, + 222 + ], + "lines": [ + { + "bbox": [ + 276, + 208, + 336, + 224 + ], + "spans": [ + { + "bbox": [ + 276, + 208, + 336, + 224 + ], + "score": 1.0, + "content": "ABSTRACT", + "type": "text" + } + ], + "index": 6 + } + ], + "index": 6 + }, + { + "type": "text", + "bbox": [ + 143, + 234, + 468, + 443 + ], + "lines": [ + { + "bbox": [ + 142, + 234, + 469, + 247 + ], + "spans": [ + { + "bbox": [ + 142, + 234, + 469, + 247 + ], + "score": 1.0, + "content": "Graph Neural Networks (graph NNs) are a promising deep learning approach for", + "type": "text" + } + ], + "index": 7 + }, + { + "bbox": [ + 142, + 246, + 469, + 258 + ], + "spans": [ + { + "bbox": [ + 142, + 246, + 469, + 258 + ], + "score": 1.0, + "content": "analyzing graph-structured data. However, it is known that they do not improve", + "type": "text" + } + ], + "index": 8 + }, + { + "bbox": [ + 141, + 255, + 470, + 270 + ], + "spans": [ + { + "bbox": [ + 141, + 255, + 470, + 270 + ], + "score": 1.0, + "content": "(or sometimes worsen) their predictive performance as we pile up many layers and", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 141, + 267, + 470, + 280 + ], + "spans": [ + { + "bbox": [ + 141, + 267, + 470, + 280 + ], + "score": 1.0, + "content": "add non-lineality. To tackle this problem, we investigate the expressive power of", + "type": "text" + } + ], + "index": 10 + }, + { + "bbox": [ + 141, + 278, + 470, + 290 + ], + "spans": [ + { + "bbox": [ + 141, + 278, + 470, + 290 + ], + "score": 1.0, + "content": "graph NNs via their asymptotic behaviors as the layer size tends to infinity. Our", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 141, + 290, + 470, + 301 + ], + "spans": [ + { + "bbox": [ + 141, + 290, + 470, + 301 + ], + "score": 1.0, + "content": "strategy is to generalize the forward propagation of a Graph Convolutional Net-", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 141, + 300, + 469, + 313 + ], + "spans": [ + { + "bbox": [ + 141, + 300, + 469, + 313 + ], + "score": 1.0, + "content": "work (GCN), which is a popular graph NN variant, as a specific dynamical sys-", + "type": "text" + } + ], + "index": 13 + }, + { + "bbox": [ + 142, + 312, + 469, + 322 + ], + "spans": [ + { + "bbox": [ + 142, + 312, + 469, + 322 + ], + "score": 1.0, + "content": "tem. In the case of a GCN, we show that when its weights satisfy the conditions", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 141, + 322, + 469, + 334 + ], + "spans": [ + { + "bbox": [ + 141, + 322, + 469, + 334 + ], + "score": 1.0, + "content": "determined by the spectra of the (augmented) normalized Laplacian, its output ex-", + "type": "text" + } + ], + "index": 15 + }, + { + "bbox": [ + 141, + 333, + 470, + 345 + ], + "spans": [ + { + "bbox": [ + 141, + 333, + 470, + 345 + ], + "score": 1.0, + "content": "ponentially approaches the set of signals that carry information of the connected", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 141, + 344, + 469, + 356 + ], + "spans": [ + { + "bbox": [ + 141, + 344, + 469, + 356 + ], + "score": 1.0, + "content": "components and node degrees only for distinguishing nodes. Our theory enables", + "type": "text" + } + ], + "index": 17 + }, + { + "bbox": [ + 141, + 355, + 469, + 367 + ], + "spans": [ + { + "bbox": [ + 141, + 355, + 469, + 367 + ], + "score": 1.0, + "content": "us to relate the expressive power of GCNs with the topological information of the", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 141, + 365, + 470, + 379 + ], + "spans": [ + { + "bbox": [ + 141, + 365, + 470, + 379 + ], + "score": 1.0, + "content": "underlying graphs inherent in the graph spectra. To demonstrate this, we charac-", + "type": "text" + } + ], + "index": 19 + }, + { + "bbox": [ + 141, + 376, + 469, + 388 + ], + "spans": [ + { + "bbox": [ + 141, + 376, + 469, + 388 + ], + "score": 1.0, + "content": "terize the asymptotic behavior of GCNs on the Erdos – R˝ enyi graph. We show´", + "type": "text" + } + ], + "index": 20 + }, + { + "bbox": [ + 141, + 388, + 470, + 400 + ], + "spans": [ + { + "bbox": [ + 141, + 388, + 470, + 400 + ], + "score": 1.0, + "content": "that when the Erdos – R ˝ enyi graph is sufficiently dense and large, a broad range ´", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 141, + 398, + 469, + 411 + ], + "spans": [ + { + "bbox": [ + 141, + 398, + 469, + 411 + ], + "score": 1.0, + "content": "of GCNs on it suffers from the “information loss” in the limit of infinite layers", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 142, + 410, + 469, + 422 + ], + "spans": [ + { + "bbox": [ + 142, + 410, + 469, + 422 + ], + "score": 1.0, + "content": "with high probability. Based on the theory, we provide a principled guideline for", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 142, + 420, + 470, + 434 + ], + "spans": [ + { + "bbox": [ + 142, + 420, + 470, + 434 + ], + "score": 1.0, + "content": "weight normalization of graph NNs. We experimentally confirm that the proposed", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 142, + 432, + 442, + 443 + ], + "spans": [ + { + "bbox": [ + 142, + 432, + 442, + 443 + ], + "score": 1.0, + "content": "weight scaling enhances the predictive performance of GCNs in real data1.", + "type": "text" + } + ], + "index": 25 + } + ], + "index": 16, + "bbox_fs": [ + 141, + 234, + 470, + 443 + ] + }, + { + "type": "title", + "bbox": [ + 108, + 463, + 206, + 475 + ], + "lines": [ + { + "bbox": [ + 105, + 462, + 208, + 478 + ], + "spans": [ + { + "bbox": [ + 105, + 462, + 208, + 478 + ], + "score": 1.0, + "content": "1 INTRODUCTION", + "type": "text" + } + ], + "index": 26 + } + ], + "index": 26 + }, + { + "type": "text", + "bbox": [ + 107, + 488, + 505, + 565 + ], + "lines": [ + { + "bbox": [ + 106, + 488, + 505, + 500 + ], + "spans": [ + { + "bbox": [ + 106, + 488, + 505, + 500 + ], + "score": 1.0, + "content": "Motivated by the success of Deep Learning (DL), several attempts have been made to apply DL mod-", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 105, + 499, + 505, + 512 + ], + "spans": [ + { + "bbox": [ + 105, + 499, + 505, + 512 + ], + "score": 1.0, + "content": "els to non-Euclidean data, particularly, graph-structured data such as chemical compounds, social", + "type": "text" + } + ], + "index": 28 + }, + { + "bbox": [ + 105, + 510, + 505, + 522 + ], + "spans": [ + { + "bbox": [ + 105, + 510, + 505, + 522 + ], + "score": 1.0, + "content": "networks, and polygons. Recently, Graph Neural Networks (graph NNs) (Duvenaud et al., 2015; Li", + "type": "text" + } + ], + "index": 29 + }, + { + "bbox": [ + 105, + 520, + 505, + 533 + ], + "spans": [ + { + "bbox": [ + 105, + 520, + 505, + 533 + ], + "score": 1.0, + "content": "et al., 2016; Gilmer et al., 2017; Hamilton et al., 2017; Kipf & Welling, 2017; Nguyen et al., 2017;", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 105, + 531, + 506, + 545 + ], + "spans": [ + { + "bbox": [ + 105, + 531, + 506, + 545 + ], + "score": 1.0, + "content": "Schlichtkrull et al., 2018; Battaglia et al., 2018; Xu et al., 2019; Wu et al., 2019a) have emerged as a", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 105, + 542, + 506, + 555 + ], + "spans": [ + { + "bbox": [ + 105, + 542, + 506, + 555 + ], + "score": 1.0, + "content": "promising approach. However, despite their practical popularity, theoretical research of graph NNs", + "type": "text" + } + ], + "index": 32 + }, + { + "bbox": [ + 105, + 552, + 245, + 567 + ], + "spans": [ + { + "bbox": [ + 105, + 552, + 245, + 567 + ], + "score": 1.0, + "content": "has not been explored extensively.", + "type": "text" + } + ], + "index": 33 + } + ], + "index": 30, + "bbox_fs": [ + 105, + 488, + 506, + 567 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 570, + 505, + 713 + ], + "lines": [ + { + "bbox": [ + 106, + 570, + 505, + 584 + ], + "spans": [ + { + "bbox": [ + 106, + 570, + 505, + 584 + ], + "score": 1.0, + "content": "The characterization of DL model expressive power, i.e., to identify what function classes DL mod-", + "type": "text" + } + ], + "index": 34 + }, + { + "bbox": [ + 105, + 581, + 505, + 594 + ], + "spans": [ + { + "bbox": [ + 105, + 581, + 505, + 594 + ], + "score": 1.0, + "content": "els can (approximately) represent, is a fundamental question in theoretical research of DL. Many", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 106, + 593, + 504, + 605 + ], + "spans": [ + { + "bbox": [ + 106, + 593, + 504, + 605 + ], + "score": 1.0, + "content": "studies have been conducted for Fully Connected Neural Networks (FNNs) (Cybenko, 1989; Hornik,", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 106, + 603, + 505, + 616 + ], + "spans": [ + { + "bbox": [ + 106, + 603, + 505, + 616 + ], + "score": 1.0, + "content": "1991; Hornik et al., 1989; Barron, 1993; Mhaskar, 1993; Sonoda & Murata, 2017; Yarotsky, 2017)", + "type": "text" + } + ], + "index": 37 + }, + { + "bbox": [ + 105, + 614, + 505, + 627 + ], + "spans": [ + { + "bbox": [ + 105, + 614, + 505, + 627 + ], + "score": 1.0, + "content": "and Convolutional Neural Networks (CNNs) (Petersen & Voigtlaender, 2018; Zhou, 2018; Oono &", + "type": "text" + } + ], + "index": 38 + }, + { + "bbox": [ + 105, + 624, + 505, + 639 + ], + "spans": [ + { + "bbox": [ + 105, + 624, + 505, + 639 + ], + "score": 1.0, + "content": "Suzuki, 2019). For such models, we have theoretical and empirical justification that deep and non-", + "type": "text" + } + ], + "index": 39 + }, + { + "bbox": [ + 105, + 635, + 506, + 650 + ], + "spans": [ + { + "bbox": [ + 105, + 635, + 506, + 650 + ], + "score": 1.0, + "content": "linear architectures can enhance representation power (Telgarsky, 2016; Chen et al., 2018b; Zhou", + "type": "text" + } + ], + "index": 40 + }, + { + "bbox": [ + 105, + 646, + 506, + 662 + ], + "spans": [ + { + "bbox": [ + 105, + 646, + 506, + 662 + ], + "score": 1.0, + "content": "& Feng, 2018). However, for graph NNs, several papers have reported that node representations go", + "type": "text" + } + ], + "index": 41 + }, + { + "bbox": [ + 105, + 657, + 506, + 672 + ], + "spans": [ + { + "bbox": [ + 105, + 657, + 506, + 672 + ], + "score": 1.0, + "content": "indistinguishable (known as over-smoothing) and prediction performances severely degrade when", + "type": "text" + } + ], + "index": 42 + }, + { + "bbox": [ + 105, + 668, + 505, + 682 + ], + "spans": [ + { + "bbox": [ + 105, + 668, + 505, + 682 + ], + "score": 1.0, + "content": "we stack many layers (Kipf & Welling, 2017; Wu et al., 2019b; Li et al., 2018). Besides, Wu et al.", + "type": "text" + } + ], + "index": 43 + }, + { + "bbox": [ + 105, + 680, + 505, + 693 + ], + "spans": [ + { + "bbox": [ + 105, + 680, + 505, + 693 + ], + "score": 1.0, + "content": "(2019a) reported that graph NNs achieved comparable performance even if they removed interme-", + "type": "text" + } + ], + "index": 44 + }, + { + "bbox": [ + 105, + 691, + 505, + 704 + ], + "spans": [ + { + "bbox": [ + 105, + 691, + 505, + 704 + ], + "score": 1.0, + "content": "diate non-linear functions. These studies posed a question about the current architecture and made", + "type": "text" + } + ], + "index": 45 + }, + { + "bbox": [ + 105, + 701, + 439, + 716 + ], + "spans": [ + { + "bbox": [ + 105, + 701, + 439, + 716 + ], + "score": 1.0, + "content": "us aware of the need for the theoretical analysis of the graph NN expressive power.", + "type": "text" + } + ], + "index": 46 + } + ], + "index": 40, + "bbox_fs": [ + 105, + 570, + 506, + 716 + ] + } + ] + }, + { + "preproc_blocks": [ + { + "type": "text", + "bbox": [ + 107, + 82, + 505, + 225 + ], + "lines": [ + { + "bbox": [ + 106, + 83, + 504, + 95 + ], + "spans": [ + { + "bbox": [ + 106, + 83, + 504, + 95 + ], + "score": 1.0, + "content": "In this paper, we investigate the expressive power of graph NNs by analyzing their asymptotic be-", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 105, + 94, + 505, + 107 + ], + "spans": [ + { + "bbox": [ + 105, + 94, + 505, + 107 + ], + "score": 1.0, + "content": "haviors as the layer size goes to infinity. Our theory gives new theoretical conditions under which", + "type": "text" + } + ], + "index": 1 + }, + { + "bbox": [ + 105, + 104, + 506, + 118 + ], + "spans": [ + { + "bbox": [ + 105, + 104, + 506, + 118 + ], + "score": 1.0, + "content": "neither layer stacking nor non-linearity contributes to improving expressive power. We consider a", + "type": "text" + } + ], + "index": 2 + }, + { + "bbox": [ + 105, + 115, + 505, + 129 + ], + "spans": [ + { + "bbox": [ + 105, + 115, + 505, + 129 + ], + "score": 1.0, + "content": "specific dynamics that includes a transition defining a Markov process and the forward propaga-", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 105, + 126, + 506, + 139 + ], + "spans": [ + { + "bbox": [ + 105, + 126, + 506, + 139 + ], + "score": 1.0, + "content": "tion of a Graph Convolutional Network (GCN) (Kipf & Welling, 2017), which is one of the most", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 105, + 137, + 506, + 150 + ], + "spans": [ + { + "bbox": [ + 105, + 137, + 506, + 150 + ], + "score": 1.0, + "content": "popular graph NN variants, as special cases. We prove that under certain conditions, the dynamics", + "type": "text" + } + ], + "index": 5 + }, + { + "bbox": [ + 105, + 149, + 505, + 161 + ], + "spans": [ + { + "bbox": [ + 105, + 149, + 505, + 161 + ], + "score": 1.0, + "content": "exponentially approaches a subspace that is invariant under the dynamics. In the case of GCN, the", + "type": "text" + } + ], + "index": 6 + }, + { + "bbox": [ + 105, + 159, + 506, + 172 + ], + "spans": [ + { + "bbox": [ + 105, + 159, + 506, + 172 + ], + "score": 1.0, + "content": "invariant space is a set of signals that correspond to the lowest frequency of graph spectra and that", + "type": "text" + } + ], + "index": 7 + }, + { + "bbox": [ + 105, + 170, + 506, + 183 + ], + "spans": [ + { + "bbox": [ + 105, + 170, + 506, + 183 + ], + "score": 1.0, + "content": "have “no information” other than connected components and node degrees for a node classification", + "type": "text" + } + ], + "index": 8 + }, + { + "bbox": [ + 105, + 181, + 505, + 194 + ], + "spans": [ + { + "bbox": [ + 105, + 181, + 505, + 194 + ], + "score": 1.0, + "content": "task whose goal is to predict the nodes’ properties in a graph. The rate of the distance between the", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 105, + 191, + 504, + 205 + ], + "spans": [ + { + "bbox": [ + 105, + 191, + 240, + 205 + ], + "score": 1.0, + "content": "output and the invariant space is", + "type": "text" + }, + { + "bbox": [ + 240, + 191, + 280, + 204 + ], + "score": 0.93, + "content": "{ \\cal O } ( ( s \\lambda ) ^ { \\widehat { L } } )", + "type": "inline_equation" + }, + { + "bbox": [ + 281, + 191, + 309, + 205 + ], + "score": 1.0, + "content": "where", + "type": "text" + }, + { + "bbox": [ + 310, + 194, + 316, + 202 + ], + "score": 0.71, + "content": "s", + "type": "inline_equation" + }, + { + "bbox": [ + 316, + 191, + 496, + 205 + ], + "score": 1.0, + "content": "is the maximum singular values of weights,", + "type": "text" + }, + { + "bbox": [ + 497, + 192, + 504, + 202 + ], + "score": 0.72, + "content": "\\lambda", + "type": "inline_equation" + } + ], + "index": 10 + }, + { + "bbox": [ + 105, + 202, + 506, + 216 + ], + "spans": [ + { + "bbox": [ + 105, + 202, + 486, + 216 + ], + "score": 1.0, + "content": "is typically a quantity determined by the spectra of the (augmented) normalized Laplacian, and", + "type": "text" + }, + { + "bbox": [ + 487, + 204, + 495, + 213 + ], + "score": 0.8, + "content": "L", + "type": "inline_equation" + }, + { + "bbox": [ + 495, + 202, + 506, + 216 + ], + "score": 1.0, + "content": "is", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 105, + 214, + 457, + 227 + ], + "spans": [ + { + "bbox": [ + 105, + 214, + 457, + 227 + ], + "score": 1.0, + "content": "the layer size. See Sections 3.3 (general case) and 4 (GCN case) for precise statements.", + "type": "text" + } + ], + "index": 12 + } + ], + "index": 6 + }, + { + "type": "text", + "bbox": [ + 107, + 231, + 505, + 308 + ], + "lines": [ + { + "bbox": [ + 105, + 230, + 505, + 243 + ], + "spans": [ + { + "bbox": [ + 105, + 230, + 505, + 243 + ], + "score": 1.0, + "content": "We can interpret our theorem as the generalization of the well-known property that if a finite and dis-", + "type": "text" + } + ], + "index": 13 + }, + { + "bbox": [ + 105, + 241, + 505, + 255 + ], + "spans": [ + { + "bbox": [ + 105, + 241, + 505, + 255 + ], + "score": 1.0, + "content": "crete Markov process is irreducible and aperiodic, it exponentially converges to a unique equilibrium", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 105, + 252, + 505, + 266 + ], + "spans": [ + { + "bbox": [ + 105, + 252, + 505, + 266 + ], + "score": 1.0, + "content": "and the eigenvalues of its transition matrix determine the convergence rate (see, e.g., Chung & Gra-", + "type": "text" + } + ], + "index": 15 + }, + { + "bbox": [ + 105, + 264, + 505, + 276 + ], + "spans": [ + { + "bbox": [ + 105, + 264, + 505, + 276 + ], + "score": 1.0, + "content": "ham (1997)). Different from the Markov process case, which is linear, the existence of intermediate", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 105, + 275, + 505, + 287 + ], + "spans": [ + { + "bbox": [ + 105, + 275, + 505, + 287 + ], + "score": 1.0, + "content": "non-linear functions complicates the analysis. We overcame this problem by leveraging the combi-", + "type": "text" + } + ], + "index": 17 + }, + { + "bbox": [ + 105, + 285, + 505, + 299 + ], + "spans": [ + { + "bbox": [ + 105, + 285, + 505, + 299 + ], + "score": 1.0, + "content": "nation of the ReLU activation function (Krizhevsky et al., 2012) and the positivity of eigenvectors", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 105, + 296, + 372, + 309 + ], + "spans": [ + { + "bbox": [ + 105, + 296, + 372, + 309 + ], + "score": 1.0, + "content": "of the Laplacian associated with the smallest positive eigenvalues.", + "type": "text" + } + ], + "index": 19 + } + ], + "index": 16 + }, + { + "type": "text", + "bbox": [ + 106, + 313, + 505, + 414 + ], + "lines": [ + { + "bbox": [ + 106, + 314, + 505, + 326 + ], + "spans": [ + { + "bbox": [ + 106, + 314, + 505, + 326 + ], + "score": 1.0, + "content": "Our theory enables us to investigate asymptotic behaviors of graph NNs via the spectral distribution", + "type": "text" + } + ], + "index": 20 + }, + { + "bbox": [ + 104, + 323, + 505, + 338 + ], + "spans": [ + { + "bbox": [ + 104, + 323, + 505, + 338 + ], + "score": 1.0, + "content": "of the underlying graphs. To demonstrate this, we take GCNs defined on the Erdos – R ˝ enyi graph ´", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 107, + 335, + 505, + 349 + ], + "spans": [ + { + "bbox": [ + 107, + 336, + 129, + 348 + ], + "score": 0.9, + "content": "G _ { N , p }", + "type": "inline_equation" + }, + { + "bbox": [ + 129, + 335, + 175, + 349 + ], + "score": 1.0, + "content": ", which has", + "type": "text" + }, + { + "bbox": [ + 176, + 336, + 186, + 345 + ], + "score": 0.82, + "content": "N", + "type": "inline_equation" + }, + { + "bbox": [ + 186, + 335, + 430, + 349 + ], + "score": 1.0, + "content": "nodes and each edge appears independently with probability", + "type": "text" + }, + { + "bbox": [ + 430, + 338, + 437, + 347 + ], + "score": 0.74, + "content": "p", + "type": "inline_equation" + }, + { + "bbox": [ + 437, + 335, + 505, + 349 + ], + "score": 1.0, + "content": ", for an example.", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 104, + 345, + 506, + 363 + ], + "spans": [ + { + "bbox": [ + 104, + 345, + 198, + 361 + ], + "score": 1.0, + "content": "We prove that if log N", + "type": "text" + }, + { + "bbox": [ + 173, + 347, + 226, + 363 + ], + "score": 0.93, + "content": "\\frac { \\log N } { p N } = o ( 1 )", + "type": "inline_equation" + }, + { + "bbox": [ + 226, + 348, + 291, + 362 + ], + "score": 1.0, + "content": "as a function of", + "type": "text" + }, + { + "bbox": [ + 291, + 349, + 301, + 358 + ], + "score": 0.8, + "content": "N", + "type": "inline_equation" + }, + { + "bbox": [ + 302, + 348, + 506, + 362 + ], + "score": 1.0, + "content": ", any GCN whose weights have maximum singular", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 106, + 363, + 507, + 382 + ], + "spans": [ + { + "bbox": [ + 106, + 366, + 168, + 379 + ], + "score": 1.0, + "content": "values at most", + "type": "text" + }, + { + "bbox": [ + 169, + 363, + 221, + 382 + ], + "score": 0.93, + "content": "\\begin{array} { r } { C \\sqrt { \\frac { N p } { \\log ( N / \\varepsilon ) } } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 221, + 363, + 507, + 382 + ], + "score": 1.0, + "content": "approaches the “information-less” invariant space with probability at", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 106, + 381, + 505, + 393 + ], + "spans": [ + { + "bbox": [ + 106, + 381, + 127, + 393 + ], + "score": 1.0, + "content": "least", + "type": "text" + }, + { + "bbox": [ + 127, + 381, + 150, + 391 + ], + "score": 0.85, + "content": "1 - \\varepsilon", + "type": "inline_equation" + }, + { + "bbox": [ + 151, + 381, + 181, + 393 + ], + "score": 1.0, + "content": ", where", + "type": "text" + }, + { + "bbox": [ + 181, + 382, + 190, + 390 + ], + "score": 0.82, + "content": "C", + "type": "inline_equation" + }, + { + "bbox": [ + 190, + 381, + 505, + 393 + ], + "score": 1.0, + "content": "is a universal constant. Intuitively, if the graph on which we define graph NNs", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 105, + 392, + 504, + 404 + ], + "spans": [ + { + "bbox": [ + 105, + 392, + 504, + 404 + ], + "score": 1.0, + "content": "is sufficiently dense, graph-convolution operations mix signals on nodes fast and hence the feature", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 106, + 402, + 330, + 416 + ], + "spans": [ + { + "bbox": [ + 106, + 402, + 330, + 416 + ], + "score": 1.0, + "content": "maps lose information for distinguishing nodes quickly.", + "type": "text" + } + ], + "index": 27 + } + ], + "index": 23.5 + }, + { + "type": "text", + "bbox": [ + 107, + 419, + 239, + 430 + ], + "lines": [ + { + "bbox": [ + 106, + 418, + 240, + 432 + ], + "spans": [ + { + "bbox": [ + 106, + 418, + 240, + 432 + ], + "score": 1.0, + "content": "Our contributions are as follows:", + "type": "text" + } + ], + "index": 28 + } + ], + "index": 28 + }, + { + "type": "text", + "bbox": [ + 132, + 441, + 505, + 553 + ], + "lines": [ + { + "bbox": [ + 132, + 440, + 504, + 453 + ], + "spans": [ + { + "bbox": [ + 132, + 440, + 504, + 453 + ], + "score": 1.0, + "content": "• We relate asymptotic behaviors of graph NNs with the topological information of underly-", + "type": "text" + } + ], + "index": 29 + }, + { + "bbox": [ + 141, + 452, + 467, + 464 + ], + "spans": [ + { + "bbox": [ + 141, + 452, + 467, + 464 + ], + "score": 1.0, + "content": "ing graphs via the spectral distribution of the (augmented) normalized Laplacian.", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 136, + 466, + 505, + 480 + ], + "spans": [ + { + "bbox": [ + 136, + 466, + 505, + 480 + ], + "score": 1.0, + "content": "• We prove that if the weights of a GCN satisfy conditions determined by the graph spectra,", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 142, + 478, + 505, + 490 + ], + "spans": [ + { + "bbox": [ + 142, + 478, + 505, + 490 + ], + "score": 1.0, + "content": "the output of the GCN carries no information other than the node degrees and connected", + "type": "text" + } + ], + "index": 32 + }, + { + "bbox": [ + 142, + 489, + 504, + 501 + ], + "spans": [ + { + "bbox": [ + 142, + 489, + 504, + 501 + ], + "score": 1.0, + "content": "components for discriminating nodes when the layer size goes to infinity (Theorems 1, 2).", + "type": "text" + } + ], + "index": 33 + }, + { + "bbox": [ + 135, + 504, + 505, + 516 + ], + "spans": [ + { + "bbox": [ + 135, + 504, + 505, + 516 + ], + "score": 1.0, + "content": "• We apply our theory to Erdos – R ˝ enyi graphs as an example and show that when the graph ´", + "type": "text" + } + ], + "index": 34 + }, + { + "bbox": [ + 141, + 515, + 502, + 527 + ], + "spans": [ + { + "bbox": [ + 141, + 515, + 502, + 527 + ], + "score": 1.0, + "content": "is sufficiently dense and large, many GCNs suffer from the information loss (Theorem 3).", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 132, + 530, + 504, + 543 + ], + "spans": [ + { + "bbox": [ + 132, + 530, + 504, + 543 + ], + "score": 1.0, + "content": "• We propose a principled guideline for weight normalization of graph NNs and empirically", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 142, + 542, + 246, + 554 + ], + "spans": [ + { + "bbox": [ + 142, + 542, + 246, + 554 + ], + "score": 1.0, + "content": "confirm it using real data.", + "type": "text" + } + ], + "index": 37 + } + ], + "index": 33 + }, + { + "type": "title", + "bbox": [ + 108, + 568, + 211, + 582 + ], + "lines": [ + { + "bbox": [ + 105, + 568, + 213, + 583 + ], + "spans": [ + { + "bbox": [ + 105, + 568, + 213, + 583 + ], + "score": 1.0, + "content": "2 RELATED WORK", + "type": "text" + } + ], + "index": 38 + } + ], + "index": 38 + }, + { + "type": "text", + "bbox": [ + 107, + 594, + 505, + 704 + ], + "lines": [ + { + "bbox": [ + 105, + 594, + 506, + 606 + ], + "spans": [ + { + "bbox": [ + 105, + 594, + 506, + 606 + ], + "score": 1.0, + "content": "MPNN-type Graph NNs. Since many graph NN variants have been proposed, there are several", + "type": "text" + } + ], + "index": 39 + }, + { + "bbox": [ + 106, + 605, + 505, + 617 + ], + "spans": [ + { + "bbox": [ + 106, + 605, + 505, + 617 + ], + "score": 1.0, + "content": "unified formulations of graph NNs (Gilmer et al., 2017; Battaglia et al., 2018). Our approach is", + "type": "text" + } + ], + "index": 40 + }, + { + "bbox": [ + 105, + 614, + 506, + 630 + ], + "spans": [ + { + "bbox": [ + 105, + 614, + 506, + 630 + ], + "score": 1.0, + "content": "the closest to the formulation of Message Passing Neural Network (MPNN) (Gilmer et al., 2017),", + "type": "text" + } + ], + "index": 41 + }, + { + "bbox": [ + 105, + 627, + 505, + 640 + ], + "spans": [ + { + "bbox": [ + 105, + 627, + 505, + 640 + ], + "score": 1.0, + "content": "which unified graph NNs in terms of the update and readout operations. Many graph NNs fall into", + "type": "text" + } + ], + "index": 42 + }, + { + "bbox": [ + 105, + 638, + 506, + 651 + ], + "spans": [ + { + "bbox": [ + 105, + 638, + 506, + 651 + ], + "score": 1.0, + "content": "this formulation such as Duvenaud et al. (2015), Li et al. (2016), and Velickovi ˇ c et al. (2018). ´", + "type": "text" + } + ], + "index": 43 + }, + { + "bbox": [ + 105, + 649, + 506, + 662 + ], + "spans": [ + { + "bbox": [ + 105, + 649, + 506, + 662 + ], + "score": 1.0, + "content": "Among others, GCN (Kipf & Welling, 2017) is an important application of our theory because it", + "type": "text" + } + ], + "index": 44 + }, + { + "bbox": [ + 105, + 660, + 505, + 673 + ], + "spans": [ + { + "bbox": [ + 105, + 660, + 505, + 673 + ], + "score": 1.0, + "content": "is one of the most widely used graph NNs. In addition, GCNs are interesting from a theoretical", + "type": "text" + } + ], + "index": 45 + }, + { + "bbox": [ + 105, + 671, + 506, + 684 + ], + "spans": [ + { + "bbox": [ + 105, + 671, + 506, + 684 + ], + "score": 1.0, + "content": "research perspective because, in addition to an MPNN-type graph NN, we can interpret GCNs as a", + "type": "text" + } + ], + "index": 46 + }, + { + "bbox": [ + 105, + 681, + 506, + 695 + ], + "spans": [ + { + "bbox": [ + 105, + 681, + 506, + 695 + ], + "score": 1.0, + "content": "simplification of spectral-type graph NNs (Henaff et al., 2015; Defferrard et al., 2016), that make", + "type": "text" + } + ], + "index": 47 + }, + { + "bbox": [ + 105, + 693, + 217, + 705 + ], + "spans": [ + { + "bbox": [ + 105, + 693, + 217, + 705 + ], + "score": 1.0, + "content": "use of the graph Laplacian.", + "type": "text" + } + ], + "index": 48 + } + ], + "index": 43.5 + }, + { + "type": "text", + "bbox": [ + 106, + 709, + 504, + 732 + ], + "lines": [ + { + "bbox": [ + 106, + 709, + 505, + 722 + ], + "spans": [ + { + "bbox": [ + 106, + 709, + 505, + 722 + ], + "score": 1.0, + "content": "Our approach, which considers the asymptotic behaviors graph NNs as the layer size goes to infinity,", + "type": "text" + } + ], + "index": 49 + }, + { + "bbox": [ + 105, + 720, + 505, + 733 + ], + "spans": [ + { + "bbox": [ + 105, + 720, + 505, + 733 + ], + "score": 1.0, + "content": "is similar to Scarselli et al. (2009), one of the earliest works about graph NNs. They obtained node", + "type": "text" + } + ], + "index": 50 + } + ], + "index": 49.5 + } + ], + "page_idx": 1, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 108, + 27, + 293, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 302, + 751, + 309, + 760 + ], + "lines": [ + { + "bbox": [ + 301, + 750, + 310, + 763 + ], + "spans": [ + { + "bbox": [ + 301, + 750, + 310, + 763 + ], + "score": 1.0, + "content": "2", + "type": "text" + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "text", + "bbox": [ + 107, + 82, + 505, + 225 + ], + "lines": [ + { + "bbox": [ + 106, + 83, + 504, + 95 + ], + "spans": [ + { + "bbox": [ + 106, + 83, + 504, + 95 + ], + "score": 1.0, + "content": "In this paper, we investigate the expressive power of graph NNs by analyzing their asymptotic be-", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 105, + 94, + 505, + 107 + ], + "spans": [ + { + "bbox": [ + 105, + 94, + 505, + 107 + ], + "score": 1.0, + "content": "haviors as the layer size goes to infinity. Our theory gives new theoretical conditions under which", + "type": "text" + } + ], + "index": 1 + }, + { + "bbox": [ + 105, + 104, + 506, + 118 + ], + "spans": [ + { + "bbox": [ + 105, + 104, + 506, + 118 + ], + "score": 1.0, + "content": "neither layer stacking nor non-linearity contributes to improving expressive power. We consider a", + "type": "text" + } + ], + "index": 2 + }, + { + "bbox": [ + 105, + 115, + 505, + 129 + ], + "spans": [ + { + "bbox": [ + 105, + 115, + 505, + 129 + ], + "score": 1.0, + "content": "specific dynamics that includes a transition defining a Markov process and the forward propaga-", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 105, + 126, + 506, + 139 + ], + "spans": [ + { + "bbox": [ + 105, + 126, + 506, + 139 + ], + "score": 1.0, + "content": "tion of a Graph Convolutional Network (GCN) (Kipf & Welling, 2017), which is one of the most", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 105, + 137, + 506, + 150 + ], + "spans": [ + { + "bbox": [ + 105, + 137, + 506, + 150 + ], + "score": 1.0, + "content": "popular graph NN variants, as special cases. We prove that under certain conditions, the dynamics", + "type": "text" + } + ], + "index": 5 + }, + { + "bbox": [ + 105, + 149, + 505, + 161 + ], + "spans": [ + { + "bbox": [ + 105, + 149, + 505, + 161 + ], + "score": 1.0, + "content": "exponentially approaches a subspace that is invariant under the dynamics. In the case of GCN, the", + "type": "text" + } + ], + "index": 6 + }, + { + "bbox": [ + 105, + 159, + 506, + 172 + ], + "spans": [ + { + "bbox": [ + 105, + 159, + 506, + 172 + ], + "score": 1.0, + "content": "invariant space is a set of signals that correspond to the lowest frequency of graph spectra and that", + "type": "text" + } + ], + "index": 7 + }, + { + "bbox": [ + 105, + 170, + 506, + 183 + ], + "spans": [ + { + "bbox": [ + 105, + 170, + 506, + 183 + ], + "score": 1.0, + "content": "have “no information” other than connected components and node degrees for a node classification", + "type": "text" + } + ], + "index": 8 + }, + { + "bbox": [ + 105, + 181, + 505, + 194 + ], + "spans": [ + { + "bbox": [ + 105, + 181, + 505, + 194 + ], + "score": 1.0, + "content": "task whose goal is to predict the nodes’ properties in a graph. The rate of the distance between the", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 105, + 191, + 504, + 205 + ], + "spans": [ + { + "bbox": [ + 105, + 191, + 240, + 205 + ], + "score": 1.0, + "content": "output and the invariant space is", + "type": "text" + }, + { + "bbox": [ + 240, + 191, + 280, + 204 + ], + "score": 0.93, + "content": "{ \\cal O } ( ( s \\lambda ) ^ { \\widehat { L } } )", + "type": "inline_equation" + }, + { + "bbox": [ + 281, + 191, + 309, + 205 + ], + "score": 1.0, + "content": "where", + "type": "text" + }, + { + "bbox": [ + 310, + 194, + 316, + 202 + ], + "score": 0.71, + "content": "s", + "type": "inline_equation" + }, + { + "bbox": [ + 316, + 191, + 496, + 205 + ], + "score": 1.0, + "content": "is the maximum singular values of weights,", + "type": "text" + }, + { + "bbox": [ + 497, + 192, + 504, + 202 + ], + "score": 0.72, + "content": "\\lambda", + "type": "inline_equation" + } + ], + "index": 10 + }, + { + "bbox": [ + 105, + 202, + 506, + 216 + ], + "spans": [ + { + "bbox": [ + 105, + 202, + 486, + 216 + ], + "score": 1.0, + "content": "is typically a quantity determined by the spectra of the (augmented) normalized Laplacian, and", + "type": "text" + }, + { + "bbox": [ + 487, + 204, + 495, + 213 + ], + "score": 0.8, + "content": "L", + "type": "inline_equation" + }, + { + "bbox": [ + 495, + 202, + 506, + 216 + ], + "score": 1.0, + "content": "is", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 105, + 214, + 457, + 227 + ], + "spans": [ + { + "bbox": [ + 105, + 214, + 457, + 227 + ], + "score": 1.0, + "content": "the layer size. See Sections 3.3 (general case) and 4 (GCN case) for precise statements.", + "type": "text" + } + ], + "index": 12 + } + ], + "index": 6, + "bbox_fs": [ + 105, + 83, + 506, + 227 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 231, + 505, + 308 + ], + "lines": [ + { + "bbox": [ + 105, + 230, + 505, + 243 + ], + "spans": [ + { + "bbox": [ + 105, + 230, + 505, + 243 + ], + "score": 1.0, + "content": "We can interpret our theorem as the generalization of the well-known property that if a finite and dis-", + "type": "text" + } + ], + "index": 13 + }, + { + "bbox": [ + 105, + 241, + 505, + 255 + ], + "spans": [ + { + "bbox": [ + 105, + 241, + 505, + 255 + ], + "score": 1.0, + "content": "crete Markov process is irreducible and aperiodic, it exponentially converges to a unique equilibrium", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 105, + 252, + 505, + 266 + ], + "spans": [ + { + "bbox": [ + 105, + 252, + 505, + 266 + ], + "score": 1.0, + "content": "and the eigenvalues of its transition matrix determine the convergence rate (see, e.g., Chung & Gra-", + "type": "text" + } + ], + "index": 15 + }, + { + "bbox": [ + 105, + 264, + 505, + 276 + ], + "spans": [ + { + "bbox": [ + 105, + 264, + 505, + 276 + ], + "score": 1.0, + "content": "ham (1997)). Different from the Markov process case, which is linear, the existence of intermediate", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 105, + 275, + 505, + 287 + ], + "spans": [ + { + "bbox": [ + 105, + 275, + 505, + 287 + ], + "score": 1.0, + "content": "non-linear functions complicates the analysis. We overcame this problem by leveraging the combi-", + "type": "text" + } + ], + "index": 17 + }, + { + "bbox": [ + 105, + 285, + 505, + 299 + ], + "spans": [ + { + "bbox": [ + 105, + 285, + 505, + 299 + ], + "score": 1.0, + "content": "nation of the ReLU activation function (Krizhevsky et al., 2012) and the positivity of eigenvectors", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 105, + 296, + 372, + 309 + ], + "spans": [ + { + "bbox": [ + 105, + 296, + 372, + 309 + ], + "score": 1.0, + "content": "of the Laplacian associated with the smallest positive eigenvalues.", + "type": "text" + } + ], + "index": 19 + } + ], + "index": 16, + "bbox_fs": [ + 105, + 230, + 505, + 309 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 313, + 505, + 414 + ], + "lines": [ + { + "bbox": [ + 106, + 314, + 505, + 326 + ], + "spans": [ + { + "bbox": [ + 106, + 314, + 505, + 326 + ], + "score": 1.0, + "content": "Our theory enables us to investigate asymptotic behaviors of graph NNs via the spectral distribution", + "type": "text" + } + ], + "index": 20 + }, + { + "bbox": [ + 104, + 323, + 505, + 338 + ], + "spans": [ + { + "bbox": [ + 104, + 323, + 505, + 338 + ], + "score": 1.0, + "content": "of the underlying graphs. To demonstrate this, we take GCNs defined on the Erdos – R ˝ enyi graph ´", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 107, + 335, + 505, + 349 + ], + "spans": [ + { + "bbox": [ + 107, + 336, + 129, + 348 + ], + "score": 0.9, + "content": "G _ { N , p }", + "type": "inline_equation" + }, + { + "bbox": [ + 129, + 335, + 175, + 349 + ], + "score": 1.0, + "content": ", which has", + "type": "text" + }, + { + "bbox": [ + 176, + 336, + 186, + 345 + ], + "score": 0.82, + "content": "N", + "type": "inline_equation" + }, + { + "bbox": [ + 186, + 335, + 430, + 349 + ], + "score": 1.0, + "content": "nodes and each edge appears independently with probability", + "type": "text" + }, + { + "bbox": [ + 430, + 338, + 437, + 347 + ], + "score": 0.74, + "content": "p", + "type": "inline_equation" + }, + { + "bbox": [ + 437, + 335, + 505, + 349 + ], + "score": 1.0, + "content": ", for an example.", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 104, + 345, + 506, + 363 + ], + "spans": [ + { + "bbox": [ + 104, + 345, + 198, + 361 + ], + "score": 1.0, + "content": "We prove that if log N", + "type": "text" + }, + { + "bbox": [ + 173, + 347, + 226, + 363 + ], + "score": 0.93, + "content": "\\frac { \\log N } { p N } = o ( 1 )", + "type": "inline_equation" + }, + { + "bbox": [ + 226, + 348, + 291, + 362 + ], + "score": 1.0, + "content": "as a function of", + "type": "text" + }, + { + "bbox": [ + 291, + 349, + 301, + 358 + ], + "score": 0.8, + "content": "N", + "type": "inline_equation" + }, + { + "bbox": [ + 302, + 348, + 506, + 362 + ], + "score": 1.0, + "content": ", any GCN whose weights have maximum singular", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 106, + 363, + 507, + 382 + ], + "spans": [ + { + "bbox": [ + 106, + 366, + 168, + 379 + ], + "score": 1.0, + "content": "values at most", + "type": "text" + }, + { + "bbox": [ + 169, + 363, + 221, + 382 + ], + "score": 0.93, + "content": "\\begin{array} { r } { C \\sqrt { \\frac { N p } { \\log ( N / \\varepsilon ) } } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 221, + 363, + 507, + 382 + ], + "score": 1.0, + "content": "approaches the “information-less” invariant space with probability at", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 106, + 381, + 505, + 393 + ], + "spans": [ + { + "bbox": [ + 106, + 381, + 127, + 393 + ], + "score": 1.0, + "content": "least", + "type": "text" + }, + { + "bbox": [ + 127, + 381, + 150, + 391 + ], + "score": 0.85, + "content": "1 - \\varepsilon", + "type": "inline_equation" + }, + { + "bbox": [ + 151, + 381, + 181, + 393 + ], + "score": 1.0, + "content": ", where", + "type": "text" + }, + { + "bbox": [ + 181, + 382, + 190, + 390 + ], + "score": 0.82, + "content": "C", + "type": "inline_equation" + }, + { + "bbox": [ + 190, + 381, + 505, + 393 + ], + "score": 1.0, + "content": "is a universal constant. Intuitively, if the graph on which we define graph NNs", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 105, + 392, + 504, + 404 + ], + "spans": [ + { + "bbox": [ + 105, + 392, + 504, + 404 + ], + "score": 1.0, + "content": "is sufficiently dense, graph-convolution operations mix signals on nodes fast and hence the feature", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 106, + 402, + 330, + 416 + ], + "spans": [ + { + "bbox": [ + 106, + 402, + 330, + 416 + ], + "score": 1.0, + "content": "maps lose information for distinguishing nodes quickly.", + "type": "text" + } + ], + "index": 27 + } + ], + "index": 23.5, + "bbox_fs": [ + 104, + 314, + 507, + 416 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 419, + 239, + 430 + ], + "lines": [ + { + "bbox": [ + 106, + 418, + 240, + 432 + ], + "spans": [ + { + "bbox": [ + 106, + 418, + 240, + 432 + ], + "score": 1.0, + "content": "Our contributions are as follows:", + "type": "text" + } + ], + "index": 28 + } + ], + "index": 28, + "bbox_fs": [ + 106, + 418, + 240, + 432 + ] + }, + { + "type": "text", + "bbox": [ + 132, + 441, + 505, + 553 + ], + "lines": [ + { + "bbox": [ + 132, + 440, + 504, + 453 + ], + "spans": [ + { + "bbox": [ + 132, + 440, + 504, + 453 + ], + "score": 1.0, + "content": "• We relate asymptotic behaviors of graph NNs with the topological information of underly-", + "type": "text" + } + ], + "index": 29 + }, + { + "bbox": [ + 141, + 452, + 467, + 464 + ], + "spans": [ + { + "bbox": [ + 141, + 452, + 467, + 464 + ], + "score": 1.0, + "content": "ing graphs via the spectral distribution of the (augmented) normalized Laplacian.", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 136, + 466, + 505, + 480 + ], + "spans": [ + { + "bbox": [ + 136, + 466, + 505, + 480 + ], + "score": 1.0, + "content": "• We prove that if the weights of a GCN satisfy conditions determined by the graph spectra,", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 142, + 478, + 505, + 490 + ], + "spans": [ + { + "bbox": [ + 142, + 478, + 505, + 490 + ], + "score": 1.0, + "content": "the output of the GCN carries no information other than the node degrees and connected", + "type": "text" + } + ], + "index": 32 + }, + { + "bbox": [ + 142, + 489, + 504, + 501 + ], + "spans": [ + { + "bbox": [ + 142, + 489, + 504, + 501 + ], + "score": 1.0, + "content": "components for discriminating nodes when the layer size goes to infinity (Theorems 1, 2).", + "type": "text" + } + ], + "index": 33 + }, + { + "bbox": [ + 135, + 504, + 505, + 516 + ], + "spans": [ + { + "bbox": [ + 135, + 504, + 505, + 516 + ], + "score": 1.0, + "content": "• We apply our theory to Erdos – R ˝ enyi graphs as an example and show that when the graph ´", + "type": "text" + } + ], + "index": 34 + }, + { + "bbox": [ + 141, + 515, + 502, + 527 + ], + "spans": [ + { + "bbox": [ + 141, + 515, + 502, + 527 + ], + "score": 1.0, + "content": "is sufficiently dense and large, many GCNs suffer from the information loss (Theorem 3).", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 132, + 530, + 504, + 543 + ], + "spans": [ + { + "bbox": [ + 132, + 530, + 504, + 543 + ], + "score": 1.0, + "content": "• We propose a principled guideline for weight normalization of graph NNs and empirically", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 142, + 542, + 246, + 554 + ], + "spans": [ + { + "bbox": [ + 142, + 542, + 246, + 554 + ], + "score": 1.0, + "content": "confirm it using real data.", + "type": "text" + } + ], + "index": 37 + } + ], + "index": 33, + "bbox_fs": [ + 132, + 440, + 505, + 554 + ] + }, + { + "type": "title", + "bbox": [ + 108, + 568, + 211, + 582 + ], + "lines": [ + { + "bbox": [ + 105, + 568, + 213, + 583 + ], + "spans": [ + { + "bbox": [ + 105, + 568, + 213, + 583 + ], + "score": 1.0, + "content": "2 RELATED WORK", + "type": "text" + } + ], + "index": 38 + } + ], + "index": 38 + }, + { + "type": "text", + "bbox": [ + 107, + 594, + 505, + 704 + ], + "lines": [ + { + "bbox": [ + 105, + 594, + 506, + 606 + ], + "spans": [ + { + "bbox": [ + 105, + 594, + 506, + 606 + ], + "score": 1.0, + "content": "MPNN-type Graph NNs. Since many graph NN variants have been proposed, there are several", + "type": "text" + } + ], + "index": 39 + }, + { + "bbox": [ + 106, + 605, + 505, + 617 + ], + "spans": [ + { + "bbox": [ + 106, + 605, + 505, + 617 + ], + "score": 1.0, + "content": "unified formulations of graph NNs (Gilmer et al., 2017; Battaglia et al., 2018). Our approach is", + "type": "text" + } + ], + "index": 40 + }, + { + "bbox": [ + 105, + 614, + 506, + 630 + ], + "spans": [ + { + "bbox": [ + 105, + 614, + 506, + 630 + ], + "score": 1.0, + "content": "the closest to the formulation of Message Passing Neural Network (MPNN) (Gilmer et al., 2017),", + "type": "text" + } + ], + "index": 41 + }, + { + "bbox": [ + 105, + 627, + 505, + 640 + ], + "spans": [ + { + "bbox": [ + 105, + 627, + 505, + 640 + ], + "score": 1.0, + "content": "which unified graph NNs in terms of the update and readout operations. Many graph NNs fall into", + "type": "text" + } + ], + "index": 42 + }, + { + "bbox": [ + 105, + 638, + 506, + 651 + ], + "spans": [ + { + "bbox": [ + 105, + 638, + 506, + 651 + ], + "score": 1.0, + "content": "this formulation such as Duvenaud et al. (2015), Li et al. (2016), and Velickovi ˇ c et al. (2018). ´", + "type": "text" + } + ], + "index": 43 + }, + { + "bbox": [ + 105, + 649, + 506, + 662 + ], + "spans": [ + { + "bbox": [ + 105, + 649, + 506, + 662 + ], + "score": 1.0, + "content": "Among others, GCN (Kipf & Welling, 2017) is an important application of our theory because it", + "type": "text" + } + ], + "index": 44 + }, + { + "bbox": [ + 105, + 660, + 505, + 673 + ], + "spans": [ + { + "bbox": [ + 105, + 660, + 505, + 673 + ], + "score": 1.0, + "content": "is one of the most widely used graph NNs. In addition, GCNs are interesting from a theoretical", + "type": "text" + } + ], + "index": 45 + }, + { + "bbox": [ + 105, + 671, + 506, + 684 + ], + "spans": [ + { + "bbox": [ + 105, + 671, + 506, + 684 + ], + "score": 1.0, + "content": "research perspective because, in addition to an MPNN-type graph NN, we can interpret GCNs as a", + "type": "text" + } + ], + "index": 46 + }, + { + "bbox": [ + 105, + 681, + 506, + 695 + ], + "spans": [ + { + "bbox": [ + 105, + 681, + 506, + 695 + ], + "score": 1.0, + "content": "simplification of spectral-type graph NNs (Henaff et al., 2015; Defferrard et al., 2016), that make", + "type": "text" + } + ], + "index": 47 + }, + { + "bbox": [ + 105, + 693, + 217, + 705 + ], + "spans": [ + { + "bbox": [ + 105, + 693, + 217, + 705 + ], + "score": 1.0, + "content": "use of the graph Laplacian.", + "type": "text" + } + ], + "index": 48 + } + ], + "index": 43.5, + "bbox_fs": [ + 105, + 594, + 506, + 705 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 709, + 504, + 732 + ], + "lines": [ + { + "bbox": [ + 106, + 709, + 505, + 722 + ], + "spans": [ + { + "bbox": [ + 106, + 709, + 505, + 722 + ], + "score": 1.0, + "content": "Our approach, which considers the asymptotic behaviors graph NNs as the layer size goes to infinity,", + "type": "text" + } + ], + "index": 49 + }, + { + "bbox": [ + 105, + 720, + 505, + 733 + ], + "spans": [ + { + "bbox": [ + 105, + 720, + 505, + 733 + ], + "score": 1.0, + "content": "is similar to Scarselli et al. (2009), one of the earliest works about graph NNs. They obtained node", + "type": "text" + } + ], + "index": 50 + }, + { + "bbox": [ + 105, + 82, + 506, + 95 + ], + "spans": [ + { + "bbox": [ + 105, + 82, + 506, + 95 + ], + "score": 1.0, + "content": "representations by iterating message passing between nodes until convergence. Their formulation is", + "type": "text", + "cross_page": true + } + ], + "index": 0 + }, + { + "bbox": [ + 105, + 93, + 506, + 106 + ], + "spans": [ + { + "bbox": [ + 105, + 93, + 506, + 106 + ], + "score": 1.0, + "content": "general in that we can use any local aggregation operation as long as it is a contraction map. Our", + "type": "text", + "cross_page": true + } + ], + "index": 1 + }, + { + "bbox": [ + 105, + 105, + 506, + 117 + ], + "spans": [ + { + "bbox": [ + 105, + 105, + 506, + 117 + ], + "score": 1.0, + "content": "theory differs from theirs in that we proved that the output of a graph NN approaches a certain space", + "type": "text", + "cross_page": true + } + ], + "index": 2 + }, + { + "bbox": [ + 105, + 114, + 405, + 129 + ], + "spans": [ + { + "bbox": [ + 105, + 114, + 405, + 129 + ], + "score": 1.0, + "content": "even if the local aggregation function is not necessarily a contraction map.", + "type": "text", + "cross_page": true + } + ], + "index": 3 + } + ], + "index": 49.5, + "bbox_fs": [ + 105, + 709, + 505, + 733 + ] + } + ] + }, + { + "preproc_blocks": [ + { + "type": "text", + "bbox": [ + 107, + 82, + 504, + 126 + ], + "lines": [ + { + "bbox": [ + 105, + 82, + 506, + 95 + ], + "spans": [ + { + "bbox": [ + 105, + 82, + 506, + 95 + ], + "score": 1.0, + "content": "representations by iterating message passing between nodes until convergence. Their formulation is", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 105, + 93, + 506, + 106 + ], + "spans": [ + { + "bbox": [ + 105, + 93, + 506, + 106 + ], + "score": 1.0, + "content": "general in that we can use any local aggregation operation as long as it is a contraction map. Our", + "type": "text" + } + ], + "index": 1 + }, + { + "bbox": [ + 105, + 105, + 506, + 117 + ], + "spans": [ + { + "bbox": [ + 105, + 105, + 506, + 117 + ], + "score": 1.0, + "content": "theory differs from theirs in that we proved that the output of a graph NN approaches a certain space", + "type": "text" + } + ], + "index": 2 + }, + { + "bbox": [ + 105, + 114, + 405, + 129 + ], + "spans": [ + { + "bbox": [ + 105, + 114, + 405, + 129 + ], + "score": 1.0, + "content": "even if the local aggregation function is not necessarily a contraction map.", + "type": "text" + } + ], + "index": 3 + } + ], + "index": 1.5 + }, + { + "type": "text", + "bbox": [ + 107, + 132, + 505, + 308 + ], + "lines": [ + { + "bbox": [ + 106, + 132, + 505, + 145 + ], + "spans": [ + { + "bbox": [ + 106, + 132, + 505, + 145 + ], + "score": 1.0, + "content": "Expressive Power of Graph NNs. Several studies have focused on theoretical analysis and the im-", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 105, + 143, + 505, + 156 + ], + "spans": [ + { + "bbox": [ + 105, + 143, + 505, + 156 + ], + "score": 1.0, + "content": "provement of graph NN expressive power. For example, Xu et al. (2019) proved that graph NNs are", + "type": "text" + } + ], + "index": 5 + }, + { + "bbox": [ + 104, + 154, + 505, + 167 + ], + "spans": [ + { + "bbox": [ + 104, + 154, + 505, + 167 + ], + "score": 1.0, + "content": "no more powerful than the Weisfeiler – Lehman (WL) isomorphism test (Weisfeiler & A.A., 1968)", + "type": "text" + } + ], + "index": 6 + }, + { + "bbox": [ + 105, + 165, + 505, + 178 + ], + "spans": [ + { + "bbox": [ + 105, + 165, + 505, + 178 + ], + "score": 1.0, + "content": "and proposed a Graph Isomorphism Network (GIN), that is approximately as powerful as the WL", + "type": "text" + } + ], + "index": 7 + }, + { + "bbox": [ + 105, + 175, + 506, + 190 + ], + "spans": [ + { + "bbox": [ + 105, + 175, + 506, + 190 + ], + "score": 1.0, + "content": "test. Although they experimentally showed that GIN has improved accuracy in supervised learning", + "type": "text" + } + ], + "index": 8 + }, + { + "bbox": [ + 105, + 187, + 505, + 200 + ], + "spans": [ + { + "bbox": [ + 105, + 187, + 505, + 200 + ], + "score": 1.0, + "content": "tasks, their analysis was restricted to the graph isomorphism problem. Xu et al. (2018) analyzed", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 105, + 199, + 505, + 211 + ], + "spans": [ + { + "bbox": [ + 105, + 199, + 505, + 211 + ], + "score": 1.0, + "content": "the non-asymptotic properties of GCNs through the lens of random walk theory. They proved the", + "type": "text" + } + ], + "index": 10 + }, + { + "bbox": [ + 105, + 209, + 505, + 222 + ], + "spans": [ + { + "bbox": [ + 105, + 209, + 505, + 222 + ], + "score": 1.0, + "content": "limitations of GCNs in expander-like graphs and proposed a Jumping Knowledge Network (JK-", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 105, + 220, + 505, + 233 + ], + "spans": [ + { + "bbox": [ + 105, + 220, + 505, + 233 + ], + "score": 1.0, + "content": "Net) to address the issue. To handle the non-linearity, they linearized networks by a randomization", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 105, + 231, + 505, + 243 + ], + "spans": [ + { + "bbox": [ + 105, + 231, + 505, + 243 + ], + "score": 1.0, + "content": "assumption (Choromanska et al., 2015). We take a different strategy and make use of the interpre-", + "type": "text" + } + ], + "index": 13 + }, + { + "bbox": [ + 105, + 242, + 505, + 254 + ], + "spans": [ + { + "bbox": [ + 105, + 242, + 505, + 254 + ], + "score": 1.0, + "content": "tation of ReLU as a projection onto a cone. Recently, NT & Maehara (2019) showed that a GCN", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 105, + 253, + 506, + 266 + ], + "spans": [ + { + "bbox": [ + 105, + 253, + 506, + 266 + ], + "score": 1.0, + "content": "approximately works as a low-pass filter plus an MLP in a certain setting. Although they analyzed", + "type": "text" + } + ], + "index": 15 + }, + { + "bbox": [ + 105, + 263, + 506, + 277 + ], + "spans": [ + { + "bbox": [ + 105, + 263, + 506, + 277 + ], + "score": 1.0, + "content": "finite-depth GCNs, our theory has similar spirits with theirs because our “information-less” space", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 105, + 275, + 504, + 287 + ], + "spans": [ + { + "bbox": [ + 105, + 275, + 504, + 287 + ], + "score": 1.0, + "content": "corresponds to the lowest frequency of a graph Laplacian. Another point is that they imposed as-", + "type": "text" + } + ], + "index": 17 + }, + { + "bbox": [ + 105, + 285, + 505, + 299 + ], + "spans": [ + { + "bbox": [ + 105, + 285, + 505, + 299 + ], + "score": 1.0, + "content": "sumptions that input signals consist of low-frequent true signals and high-frequent noise, whereas", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 106, + 297, + 240, + 310 + ], + "spans": [ + { + "bbox": [ + 106, + 297, + 240, + 310 + ], + "score": 1.0, + "content": "we need not such an assumption.", + "type": "text" + } + ], + "index": 19 + } + ], + "index": 11.5 + }, + { + "type": "text", + "bbox": [ + 106, + 313, + 505, + 445 + ], + "lines": [ + { + "bbox": [ + 105, + 313, + 505, + 326 + ], + "spans": [ + { + "bbox": [ + 105, + 313, + 505, + 326 + ], + "score": 1.0, + "content": "Role of Deep and Non-linear Structures. For ordinal DL models such as FNNs and CNNs, we", + "type": "text" + } + ], + "index": 20 + }, + { + "bbox": [ + 105, + 324, + 505, + 338 + ], + "spans": [ + { + "bbox": [ + 105, + 324, + 505, + 338 + ], + "score": 1.0, + "content": "have both theoretical and empirical justification of deep and non-linear architectures for enhancing", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 105, + 335, + 505, + 349 + ], + "spans": [ + { + "bbox": [ + 105, + 335, + 505, + 349 + ], + "score": 1.0, + "content": "of the expressive power (e.g., Telgarsky (2016); Petersen & Voigtlaender (2018); Oono & Suzuki", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 105, + 345, + 505, + 360 + ], + "spans": [ + { + "bbox": [ + 105, + 345, + 505, + 360 + ], + "score": 1.0, + "content": "(2019)). In contrast, several studies have witnessed severe performance degradation when stacking", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 105, + 358, + 506, + 369 + ], + "spans": [ + { + "bbox": [ + 105, + 358, + 506, + 369 + ], + "score": 1.0, + "content": "many layers on graph NNs (Kipf & Welling, 2017; Wu et al., 2019b). Li et al. (2018) reported that", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 105, + 369, + 505, + 381 + ], + "spans": [ + { + "bbox": [ + 105, + 369, + 505, + 381 + ], + "score": 1.0, + "content": "feature vectors on nodes in a graph go indistinguishable as we increase layers in several tasks. They", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 106, + 381, + 504, + 392 + ], + "spans": [ + { + "bbox": [ + 106, + 381, + 504, + 392 + ], + "score": 1.0, + "content": "named this phenomenon over-smoothing. Regarding non-linearity, Wu et al. (2019a) empirically", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 105, + 390, + 504, + 403 + ], + "spans": [ + { + "bbox": [ + 105, + 390, + 504, + 403 + ], + "score": 1.0, + "content": "showed that graph NNs achieve comparable performance even if we omit intermediate non-linearity.", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 105, + 401, + 505, + 415 + ], + "spans": [ + { + "bbox": [ + 105, + 401, + 505, + 415 + ], + "score": 1.0, + "content": "These observations gave us questions about the current models of deep graph NNs in terms of their", + "type": "text" + } + ], + "index": 28 + }, + { + "bbox": [ + 105, + 412, + 506, + 426 + ], + "spans": [ + { + "bbox": [ + 105, + 412, + 506, + 426 + ], + "score": 1.0, + "content": "expressive power. Several studies gave theoretical explanations of the over-smoothing phenomena", + "type": "text" + } + ], + "index": 29 + }, + { + "bbox": [ + 105, + 423, + 505, + 436 + ], + "spans": [ + { + "bbox": [ + 105, + 423, + 505, + 436 + ], + "score": 1.0, + "content": "for linear GNNs (Li et al., 2018; Zhang, 2019; Zhao & Akoglu, 2020). We can think of our theory", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 105, + 434, + 314, + 446 + ], + "spans": [ + { + "bbox": [ + 105, + 434, + 314, + 446 + ], + "score": 1.0, + "content": "as an extension of their results to non-linear GNNs.", + "type": "text" + } + ], + "index": 31 + } + ], + "index": 25.5 + }, + { + "type": "title", + "bbox": [ + 108, + 463, + 326, + 476 + ], + "lines": [ + { + "bbox": [ + 105, + 462, + 328, + 477 + ], + "spans": [ + { + "bbox": [ + 105, + 462, + 328, + 477 + ], + "score": 1.0, + "content": "3 PROBLEM SETTING AND MAIN RESULT", + "type": "text" + } + ], + "index": 32 + } + ], + "index": 32 + }, + { + "type": "title", + "bbox": [ + 107, + 488, + 176, + 500 + ], + "lines": [ + { + "bbox": [ + 105, + 487, + 178, + 502 + ], + "spans": [ + { + "bbox": [ + 105, + 487, + 178, + 502 + ], + "score": 1.0, + "content": "3.1 NOTATION", + "type": "text" + } + ], + "index": 33 + } + ], + "index": 33 + }, + { + "type": "text", + "bbox": [ + 106, + 509, + 505, + 624 + ], + "lines": [ + { + "bbox": [ + 105, + 508, + 506, + 523 + ], + "spans": [ + { + "bbox": [ + 105, + 508, + 122, + 523 + ], + "score": 1.0, + "content": "Let", + "type": "text" + }, + { + "bbox": [ + 123, + 510, + 138, + 521 + ], + "score": 0.84, + "content": "\\mathbb { N } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 138, + 508, + 281, + 523 + ], + "score": 1.0, + "content": "be the set of positive integers. For", + "type": "text" + }, + { + "bbox": [ + 281, + 510, + 319, + 522 + ], + "score": 0.92, + "content": "N \\in { \\mathbb { N } } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 320, + 508, + 368, + 523 + ], + "score": 1.0, + "content": ", we denote", + "type": "text" + }, + { + "bbox": [ + 369, + 510, + 448, + 522 + ], + "score": 0.92, + "content": "[ N ] : = \\{ 1 , \\dots , N \\}", + "type": "inline_equation" + }, + { + "bbox": [ + 448, + 508, + 506, + 523 + ], + "score": 1.0, + "content": ". For a vector", + "type": "text" + } + ], + "index": 34 + }, + { + "bbox": [ + 106, + 517, + 506, + 534 + ], + "spans": [ + { + "bbox": [ + 106, + 521, + 140, + 531 + ], + "score": 0.9, + "content": "v \\in \\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 140, + 517, + 181, + 534 + ], + "score": 1.0, + "content": ", we write", + "type": "text" + }, + { + "bbox": [ + 182, + 522, + 207, + 532 + ], + "score": 0.91, + "content": "v \\geq 0", + "type": "inline_equation" + }, + { + "bbox": [ + 207, + 517, + 262, + 534 + ], + "score": 1.0, + "content": "if and only if", + "type": "text" + }, + { + "bbox": [ + 263, + 522, + 293, + 532 + ], + "score": 0.91, + "content": "v _ { n } \\geq 0", + "type": "inline_equation" + }, + { + "bbox": [ + 293, + 517, + 321, + 534 + ], + "score": 1.0, + "content": "for all", + "type": "text" + }, + { + "bbox": [ + 321, + 521, + 355, + 532 + ], + "score": 0.91, + "content": "n \\in [ N ]", + "type": "inline_equation" + }, + { + "bbox": [ + 355, + 517, + 451, + 534 + ], + "score": 1.0, + "content": ". Similarly, for a matrix", + "type": "text" + }, + { + "bbox": [ + 452, + 520, + 501, + 531 + ], + "score": 0.91, + "content": "X \\in \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 517, + 506, + 534 + ], + "score": 1.0, + "content": ",", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 106, + 531, + 506, + 545 + ], + "spans": [ + { + "bbox": [ + 106, + 531, + 145, + 545 + ], + "score": 1.0, + "content": "we write", + "type": "text" + }, + { + "bbox": [ + 145, + 532, + 176, + 543 + ], + "score": 0.91, + "content": "X \\geq 0", + "type": "inline_equation" + }, + { + "bbox": [ + 176, + 531, + 234, + 545 + ], + "score": 1.0, + "content": "if and only if", + "type": "text" + }, + { + "bbox": [ + 235, + 532, + 273, + 543 + ], + "score": 0.92, + "content": "X _ { n c } \\geq 0", + "type": "inline_equation" + }, + { + "bbox": [ + 274, + 531, + 303, + 545 + ], + "score": 1.0, + "content": "for all", + "type": "text" + }, + { + "bbox": [ + 303, + 532, + 339, + 544 + ], + "score": 0.91, + "content": "n \\in [ N ]", + "type": "inline_equation" + }, + { + "bbox": [ + 340, + 531, + 359, + 545 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 359, + 532, + 392, + 544 + ], + "score": 0.92, + "content": "c \\in [ C ]", + "type": "inline_equation" + }, + { + "bbox": [ + 393, + 531, + 506, + 545 + ], + "score": 1.0, + "content": ". We say such a vector and", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 105, + 542, + 505, + 555 + ], + "spans": [ + { + "bbox": [ + 105, + 542, + 207, + 555 + ], + "score": 1.0, + "content": "matrix is non-negative.", + "type": "text" + }, + { + "bbox": [ + 207, + 543, + 226, + 555 + ], + "score": 0.9, + "content": "\\langle \\cdot , \\cdot \\rangle", + "type": "inline_equation" + }, + { + "bbox": [ + 226, + 542, + 505, + 555 + ], + "score": 1.0, + "content": "denotes the inner product of vectors or matrices, depending on the", + "type": "text" + } + ], + "index": 37 + }, + { + "bbox": [ + 104, + 550, + 507, + 568 + ], + "spans": [ + { + "bbox": [ + 104, + 550, + 142, + 568 + ], + "score": 1.0, + "content": "context:", + "type": "text" + }, + { + "bbox": [ + 142, + 553, + 200, + 566 + ], + "score": 0.92, + "content": "\\langle u , v \\rangle : = u ^ { \\top } v", + "type": "inline_equation" + }, + { + "bbox": [ + 200, + 550, + 215, + 568 + ], + "score": 1.0, + "content": "for", + "type": "text" + }, + { + "bbox": [ + 216, + 553, + 259, + 565 + ], + "score": 0.92, + "content": "u , v \\in \\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 259, + 550, + 278, + 568 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 278, + 553, + 362, + 565 + ], + "score": 0.9, + "content": "\\langle X , Y \\rangle : = \\mathrm { t r } ( X ^ { T } Y )", + "type": "inline_equation" + }, + { + "bbox": [ + 362, + 550, + 378, + 568 + ], + "score": 1.0, + "content": "for", + "type": "text" + }, + { + "bbox": [ + 379, + 553, + 440, + 564 + ], + "score": 0.87, + "content": "X , Y \\in \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 440, + 550, + 443, + 568 + ], + "score": 1.0, + "content": ".", + "type": "text" + }, + { + "bbox": [ + 443, + 554, + 458, + 565 + ], + "score": 0.53, + "content": "{ \\bf 1 } _ { P }", + "type": "inline_equation" + }, + { + "bbox": [ + 458, + 550, + 507, + 568 + ], + "score": 1.0, + "content": "equals to 1", + "type": "text" + } + ], + "index": 38 + }, + { + "bbox": [ + 104, + 561, + 507, + 579 + ], + "spans": [ + { + "bbox": [ + 104, + 561, + 178, + 579 + ], + "score": 1.0, + "content": "if the proposition", + "type": "text" + }, + { + "bbox": [ + 179, + 566, + 188, + 575 + ], + "score": 0.84, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 188, + 561, + 295, + 579 + ], + "score": 1.0, + "content": "is true else 0. For vectors", + "type": "text" + }, + { + "bbox": [ + 295, + 565, + 329, + 575 + ], + "score": 0.87, + "content": "v \\in \\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 330, + 561, + 348, + 579 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 348, + 564, + 384, + 575 + ], + "score": 0.9, + "content": "w \\in \\mathbb { R } ^ { C }", + "type": "inline_equation" + }, + { + "bbox": [ + 384, + 561, + 389, + 579 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 389, + 564, + 455, + 575 + ], + "score": 0.87, + "content": "v \\otimes w \\in \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 456, + 561, + 507, + 579 + ], + "score": 1.0, + "content": "denotes the", + "type": "text" + } + ], + "index": 39 + }, + { + "bbox": [ + 104, + 575, + 504, + 591 + ], + "spans": [ + { + "bbox": [ + 104, + 575, + 194, + 591 + ], + "score": 1.0, + "content": "Kronecker product of", + "type": "text" + }, + { + "bbox": [ + 195, + 579, + 201, + 587 + ], + "score": 0.76, + "content": "v", + "type": "inline_equation" + }, + { + "bbox": [ + 201, + 575, + 218, + 591 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 219, + 579, + 228, + 587 + ], + "score": 0.78, + "content": "w", + "type": "inline_equation" + }, + { + "bbox": [ + 228, + 575, + 273, + 591 + ], + "score": 1.0, + "content": "defined by", + "type": "text" + }, + { + "bbox": [ + 273, + 577, + 353, + 589 + ], + "score": 0.88, + "content": "( v \\otimes w ) _ { n c } : = v _ { n } w _ { c } .", + "type": "inline_equation" + }, + { + "bbox": [ + 353, + 575, + 372, + 591 + ], + "score": 1.0, + "content": ". For", + "type": "text" + }, + { + "bbox": [ + 372, + 577, + 422, + 588 + ], + "score": 0.86, + "content": "X \\in \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 422, + 575, + 426, + 591 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 426, + 576, + 504, + 589 + ], + "score": 0.8, + "content": "\\| X \\| _ { \\mathrm { F } } : = \\langle X , X \\rangle ^ { \\frac { 1 } { 2 } }", + "type": "inline_equation" + } + ], + "index": 40 + }, + { + "bbox": [ + 102, + 584, + 504, + 605 + ], + "spans": [ + { + "bbox": [ + 102, + 584, + 234, + 605 + ], + "score": 1.0, + "content": "denotes the Frobenius norm of", + "type": "text" + }, + { + "bbox": [ + 234, + 589, + 244, + 598 + ], + "score": 0.85, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 244, + 584, + 303, + 605 + ], + "score": 1.0, + "content": ". For a vector", + "type": "text" + }, + { + "bbox": [ + 303, + 588, + 338, + 599 + ], + "score": 0.84, + "content": "v \\in \\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 339, + 584, + 342, + 605 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 343, + 588, + 504, + 601 + ], + "score": 0.88, + "content": "\\mathrm { d i a g } ( v ) : = ( v _ { n } \\delta _ { n m } ) _ { n , m \\in [ N ] } \\in \\mathbb { R } ^ { N \\times N }", + "type": "inline_equation" + } + ], + "index": 41 + }, + { + "bbox": [ + 104, + 597, + 506, + 614 + ], + "spans": [ + { + "bbox": [ + 104, + 597, + 230, + 614 + ], + "score": 1.0, + "content": "denotes the diagonalization of", + "type": "text" + }, + { + "bbox": [ + 231, + 603, + 237, + 611 + ], + "score": 0.67, + "content": "v", + "type": "inline_equation" + }, + { + "bbox": [ + 237, + 597, + 242, + 614 + ], + "score": 1.0, + "content": ".", + "type": "text" + }, + { + "bbox": [ + 243, + 600, + 298, + 612 + ], + "score": 0.89, + "content": "I _ { N } \\in \\mathbb { R } ^ { N \\times N }", + "type": "inline_equation" + }, + { + "bbox": [ + 298, + 597, + 439, + 614 + ], + "score": 1.0, + "content": "denotes the identity matrix of size", + "type": "text" + }, + { + "bbox": [ + 440, + 602, + 450, + 611 + ], + "score": 0.82, + "content": "N", + "type": "inline_equation" + }, + { + "bbox": [ + 450, + 597, + 506, + 614 + ], + "score": 1.0, + "content": ". For a linear", + "type": "text" + } + ], + "index": 42 + }, + { + "bbox": [ + 104, + 609, + 478, + 627 + ], + "spans": [ + { + "bbox": [ + 104, + 609, + 142, + 627 + ], + "score": 1.0, + "content": "operator", + "type": "text" + }, + { + "bbox": [ + 142, + 612, + 205, + 622 + ], + "score": 0.91, + "content": "P : \\mathbb { R } ^ { \\tilde { N } } \\mathbb { R } ^ { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 205, + 609, + 258, + 627 + ], + "score": 1.0, + "content": "and a subset", + "type": "text" + }, + { + "bbox": [ + 258, + 612, + 295, + 623 + ], + "score": 0.89, + "content": "V \\subset \\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 295, + 609, + 411, + 627 + ], + "score": 1.0, + "content": ", we denote the restriction of", + "type": "text" + }, + { + "bbox": [ + 411, + 613, + 420, + 622 + ], + "score": 0.84, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 420, + 609, + 431, + 627 + ], + "score": 1.0, + "content": "to", + "type": "text" + }, + { + "bbox": [ + 431, + 613, + 441, + 622 + ], + "score": 0.81, + "content": "V", + "type": "inline_equation" + }, + { + "bbox": [ + 441, + 609, + 454, + 627 + ], + "score": 1.0, + "content": "by", + "type": "text" + }, + { + "bbox": [ + 455, + 613, + 473, + 624 + ], + "score": 0.92, + "content": "P | _ { V }", + "type": "inline_equation" + }, + { + "bbox": [ + 473, + 609, + 478, + 627 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 43 + } + ], + "index": 38.5 + }, + { + "type": "title", + "bbox": [ + 108, + 638, + 223, + 650 + ], + "lines": [ + { + "bbox": [ + 105, + 637, + 225, + 651 + ], + "spans": [ + { + "bbox": [ + 105, + 637, + 225, + 651 + ], + "score": 1.0, + "content": "3.2 DYNAMICAL SYSTEM", + "type": "text" + } + ], + "index": 44 + } + ], + "index": 44 + }, + { + "type": "text", + "bbox": [ + 107, + 659, + 503, + 682 + ], + "lines": [ + { + "bbox": [ + 106, + 660, + 505, + 672 + ], + "spans": [ + { + "bbox": [ + 106, + 660, + 505, + 672 + ], + "score": 1.0, + "content": "Although we are mainly interested in GCNs, we develop our theory more generally using dynamical", + "type": "text" + } + ], + "index": 45 + }, + { + "bbox": [ + 105, + 671, + 325, + 683 + ], + "spans": [ + { + "bbox": [ + 105, + 671, + 325, + 683 + ], + "score": 1.0, + "content": "systems. We will specialize to the GCNs in Section 4.", + "type": "text" + } + ], + "index": 46 + } + ], + "index": 45.5 + }, + { + "type": "text", + "bbox": [ + 107, + 686, + 505, + 732 + ], + "lines": [ + { + "bbox": [ + 104, + 684, + 507, + 701 + ], + "spans": [ + { + "bbox": [ + 104, + 684, + 124, + 701 + ], + "score": 1.0, + "content": "For", + "type": "text" + }, + { + "bbox": [ + 124, + 687, + 192, + 699 + ], + "score": 0.87, + "content": "N , C , H _ { l } \\ \\in \\ \\mathbb { N } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 196, + 687, + 235, + 699 + ], + "score": 0.74, + "content": "( l \\in \\mathbb { N } _ { + } )", + "type": "inline_equation" + }, + { + "bbox": [ + 235, + 684, + 255, + 701 + ], + "score": 1.0, + "content": ", let", + "type": "text" + }, + { + "bbox": [ + 255, + 686, + 309, + 698 + ], + "score": 0.9, + "content": "P \\in \\mathbb { R } ^ { N \\times N }", + "type": "inline_equation" + }, + { + "bbox": [ + 309, + 684, + 426, + 701 + ], + "score": 1.0, + "content": "be a symmetric matrix and", + "type": "text" + }, + { + "bbox": [ + 427, + 686, + 488, + 699 + ], + "score": 0.92, + "content": "W _ { l h } \\ \\in \\ \\mathbb { R } ^ { C \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 489, + 684, + 507, + 701 + ], + "score": 1.0, + "content": "for", + "type": "text" + } + ], + "index": 47 + }, + { + "bbox": [ + 107, + 694, + 508, + 713 + ], + "spans": [ + { + "bbox": [ + 107, + 699, + 142, + 710 + ], + "score": 0.87, + "content": "l \\in \\mathbb { N } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 143, + 694, + 163, + 713 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 163, + 699, + 205, + 709 + ], + "score": 0.87, + "content": "h \\in \\lceil H _ { l } \\rceil", + "type": "inline_equation" + }, + { + "bbox": [ + 205, + 694, + 259, + 713 + ], + "score": 1.0, + "content": ". We define", + "type": "text" + }, + { + "bbox": [ + 259, + 698, + 357, + 710 + ], + "score": 0.89, + "content": "f _ { l } : \\mathbb { R } ^ { N \\times C } \\mathbb { R } ^ { \\mathbf { \\tilde { N } } \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 358, + 694, + 375, + 713 + ], + "score": 1.0, + "content": "by", + "type": "text" + }, + { + "bbox": [ + 375, + 699, + 471, + 711 + ], + "score": 0.92, + "content": "f _ { l } ( X ) \\ : = \\ \\mathrm { M L P } _ { l } ( P X )", + "type": "inline_equation" + }, + { + "bbox": [ + 472, + 694, + 508, + 713 + ], + "score": 1.0, + "content": ". Here,", + "type": "text" + } + ], + "index": 48 + }, + { + "bbox": [ + 106, + 706, + 506, + 723 + ], + "spans": [ + { + "bbox": [ + 106, + 709, + 213, + 721 + ], + "score": 0.88, + "content": "\\mathrm { M L P } _ { l } : \\mathbb { R } ^ { N \\times C } \\to \\dot { \\mathbb { R } } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 214, + 706, + 239, + 723 + ], + "score": 1.0, + "content": "is the", + "type": "text" + }, + { + "bbox": [ + 240, + 710, + 244, + 720 + ], + "score": 0.66, + "content": "l", + "type": "inline_equation" + }, + { + "bbox": [ + 244, + 706, + 438, + 723 + ], + "score": 1.0, + "content": "-th multi-layer perceptron common to all nodes", + "type": "text" + }, + { + "bbox": [ + 439, + 711, + 453, + 719 + ], + "score": 0.61, + "content": "\\mathrm { { . x u } }", + "type": "inline_equation" + }, + { + "bbox": [ + 453, + 706, + 506, + 723 + ], + "score": 1.0, + "content": "et al., 2019)", + "type": "text" + } + ], + "index": 49 + }, + { + "bbox": [ + 103, + 718, + 503, + 733 + ], + "spans": [ + { + "bbox": [ + 103, + 718, + 181, + 733 + ], + "score": 1.0, + "content": "and is defined by", + "type": "text" + }, + { + "bbox": [ + 182, + 720, + 378, + 733 + ], + "score": 0.89, + "content": "\\mathrm { M L P } _ { l } ( X ) : = \\sigma ( \\cdots \\sigma ( \\sigma ( \\dot { X } ) \\bar { W } _ { l 1 } ) \\bar { W } _ { l 2 } \\cdot \\cdot \\cdot W _ { l H _ { l } } )", + "type": "inline_equation" + }, + { + "bbox": [ + 378, + 718, + 410, + 733 + ], + "score": 1.0, + "content": ", where", + "type": "text" + }, + { + "bbox": [ + 410, + 720, + 503, + 730 + ], + "score": 0.9, + "content": "\\sigma : \\mathbb { R } ^ { \\dot { N } \\times C } \\mathbb { R } ^ { N \\times \\dot { C } }", + "type": "inline_equation" + } + ], + "index": 50 + } + ], + "index": 48.5 + } + ], + "page_idx": 2, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 108, + 27, + 293, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 302, + 751, + 309, + 760 + ], + "lines": [ + { + "bbox": [ + 301, + 750, + 310, + 762 + ], + "spans": [ + { + "bbox": [ + 301, + 750, + 310, + 762 + ], + "score": 1.0, + "content": "3", + "type": "text" + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "text", + "bbox": [ + 107, + 82, + 504, + 126 + ], + "lines": [], + "index": 1.5, + "bbox_fs": [ + 105, + 82, + 506, + 129 + ], + "lines_deleted": true + }, + { + "type": "text", + "bbox": [ + 107, + 132, + 505, + 308 + ], + "lines": [ + { + "bbox": [ + 106, + 132, + 505, + 145 + ], + "spans": [ + { + "bbox": [ + 106, + 132, + 505, + 145 + ], + "score": 1.0, + "content": "Expressive Power of Graph NNs. Several studies have focused on theoretical analysis and the im-", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 105, + 143, + 505, + 156 + ], + "spans": [ + { + "bbox": [ + 105, + 143, + 505, + 156 + ], + "score": 1.0, + "content": "provement of graph NN expressive power. For example, Xu et al. (2019) proved that graph NNs are", + "type": "text" + } + ], + "index": 5 + }, + { + "bbox": [ + 104, + 154, + 505, + 167 + ], + "spans": [ + { + "bbox": [ + 104, + 154, + 505, + 167 + ], + "score": 1.0, + "content": "no more powerful than the Weisfeiler – Lehman (WL) isomorphism test (Weisfeiler & A.A., 1968)", + "type": "text" + } + ], + "index": 6 + }, + { + "bbox": [ + 105, + 165, + 505, + 178 + ], + "spans": [ + { + "bbox": [ + 105, + 165, + 505, + 178 + ], + "score": 1.0, + "content": "and proposed a Graph Isomorphism Network (GIN), that is approximately as powerful as the WL", + "type": "text" + } + ], + "index": 7 + }, + { + "bbox": [ + 105, + 175, + 506, + 190 + ], + "spans": [ + { + "bbox": [ + 105, + 175, + 506, + 190 + ], + "score": 1.0, + "content": "test. Although they experimentally showed that GIN has improved accuracy in supervised learning", + "type": "text" + } + ], + "index": 8 + }, + { + "bbox": [ + 105, + 187, + 505, + 200 + ], + "spans": [ + { + "bbox": [ + 105, + 187, + 505, + 200 + ], + "score": 1.0, + "content": "tasks, their analysis was restricted to the graph isomorphism problem. Xu et al. (2018) analyzed", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 105, + 199, + 505, + 211 + ], + "spans": [ + { + "bbox": [ + 105, + 199, + 505, + 211 + ], + "score": 1.0, + "content": "the non-asymptotic properties of GCNs through the lens of random walk theory. They proved the", + "type": "text" + } + ], + "index": 10 + }, + { + "bbox": [ + 105, + 209, + 505, + 222 + ], + "spans": [ + { + "bbox": [ + 105, + 209, + 505, + 222 + ], + "score": 1.0, + "content": "limitations of GCNs in expander-like graphs and proposed a Jumping Knowledge Network (JK-", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 105, + 220, + 505, + 233 + ], + "spans": [ + { + "bbox": [ + 105, + 220, + 505, + 233 + ], + "score": 1.0, + "content": "Net) to address the issue. To handle the non-linearity, they linearized networks by a randomization", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 105, + 231, + 505, + 243 + ], + "spans": [ + { + "bbox": [ + 105, + 231, + 505, + 243 + ], + "score": 1.0, + "content": "assumption (Choromanska et al., 2015). We take a different strategy and make use of the interpre-", + "type": "text" + } + ], + "index": 13 + }, + { + "bbox": [ + 105, + 242, + 505, + 254 + ], + "spans": [ + { + "bbox": [ + 105, + 242, + 505, + 254 + ], + "score": 1.0, + "content": "tation of ReLU as a projection onto a cone. Recently, NT & Maehara (2019) showed that a GCN", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 105, + 253, + 506, + 266 + ], + "spans": [ + { + "bbox": [ + 105, + 253, + 506, + 266 + ], + "score": 1.0, + "content": "approximately works as a low-pass filter plus an MLP in a certain setting. Although they analyzed", + "type": "text" + } + ], + "index": 15 + }, + { + "bbox": [ + 105, + 263, + 506, + 277 + ], + "spans": [ + { + "bbox": [ + 105, + 263, + 506, + 277 + ], + "score": 1.0, + "content": "finite-depth GCNs, our theory has similar spirits with theirs because our “information-less” space", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 105, + 275, + 504, + 287 + ], + "spans": [ + { + "bbox": [ + 105, + 275, + 504, + 287 + ], + "score": 1.0, + "content": "corresponds to the lowest frequency of a graph Laplacian. Another point is that they imposed as-", + "type": "text" + } + ], + "index": 17 + }, + { + "bbox": [ + 105, + 285, + 505, + 299 + ], + "spans": [ + { + "bbox": [ + 105, + 285, + 505, + 299 + ], + "score": 1.0, + "content": "sumptions that input signals consist of low-frequent true signals and high-frequent noise, whereas", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 106, + 297, + 240, + 310 + ], + "spans": [ + { + "bbox": [ + 106, + 297, + 240, + 310 + ], + "score": 1.0, + "content": "we need not such an assumption.", + "type": "text" + } + ], + "index": 19 + } + ], + "index": 11.5, + "bbox_fs": [ + 104, + 132, + 506, + 310 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 313, + 505, + 445 + ], + "lines": [ + { + "bbox": [ + 105, + 313, + 505, + 326 + ], + "spans": [ + { + "bbox": [ + 105, + 313, + 505, + 326 + ], + "score": 1.0, + "content": "Role of Deep and Non-linear Structures. For ordinal DL models such as FNNs and CNNs, we", + "type": "text" + } + ], + "index": 20 + }, + { + "bbox": [ + 105, + 324, + 505, + 338 + ], + "spans": [ + { + "bbox": [ + 105, + 324, + 505, + 338 + ], + "score": 1.0, + "content": "have both theoretical and empirical justification of deep and non-linear architectures for enhancing", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 105, + 335, + 505, + 349 + ], + "spans": [ + { + "bbox": [ + 105, + 335, + 505, + 349 + ], + "score": 1.0, + "content": "of the expressive power (e.g., Telgarsky (2016); Petersen & Voigtlaender (2018); Oono & Suzuki", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 105, + 345, + 505, + 360 + ], + "spans": [ + { + "bbox": [ + 105, + 345, + 505, + 360 + ], + "score": 1.0, + "content": "(2019)). In contrast, several studies have witnessed severe performance degradation when stacking", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 105, + 358, + 506, + 369 + ], + "spans": [ + { + "bbox": [ + 105, + 358, + 506, + 369 + ], + "score": 1.0, + "content": "many layers on graph NNs (Kipf & Welling, 2017; Wu et al., 2019b). Li et al. (2018) reported that", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 105, + 369, + 505, + 381 + ], + "spans": [ + { + "bbox": [ + 105, + 369, + 505, + 381 + ], + "score": 1.0, + "content": "feature vectors on nodes in a graph go indistinguishable as we increase layers in several tasks. They", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 106, + 381, + 504, + 392 + ], + "spans": [ + { + "bbox": [ + 106, + 381, + 504, + 392 + ], + "score": 1.0, + "content": "named this phenomenon over-smoothing. Regarding non-linearity, Wu et al. (2019a) empirically", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 105, + 390, + 504, + 403 + ], + "spans": [ + { + "bbox": [ + 105, + 390, + 504, + 403 + ], + "score": 1.0, + "content": "showed that graph NNs achieve comparable performance even if we omit intermediate non-linearity.", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 105, + 401, + 505, + 415 + ], + "spans": [ + { + "bbox": [ + 105, + 401, + 505, + 415 + ], + "score": 1.0, + "content": "These observations gave us questions about the current models of deep graph NNs in terms of their", + "type": "text" + } + ], + "index": 28 + }, + { + "bbox": [ + 105, + 412, + 506, + 426 + ], + "spans": [ + { + "bbox": [ + 105, + 412, + 506, + 426 + ], + "score": 1.0, + "content": "expressive power. Several studies gave theoretical explanations of the over-smoothing phenomena", + "type": "text" + } + ], + "index": 29 + }, + { + "bbox": [ + 105, + 423, + 505, + 436 + ], + "spans": [ + { + "bbox": [ + 105, + 423, + 505, + 436 + ], + "score": 1.0, + "content": "for linear GNNs (Li et al., 2018; Zhang, 2019; Zhao & Akoglu, 2020). We can think of our theory", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 105, + 434, + 314, + 446 + ], + "spans": [ + { + "bbox": [ + 105, + 434, + 314, + 446 + ], + "score": 1.0, + "content": "as an extension of their results to non-linear GNNs.", + "type": "text" + } + ], + "index": 31 + } + ], + "index": 25.5, + "bbox_fs": [ + 105, + 313, + 506, + 446 + ] + }, + { + "type": "title", + "bbox": [ + 108, + 463, + 326, + 476 + ], + "lines": [ + { + "bbox": [ + 105, + 462, + 328, + 477 + ], + "spans": [ + { + "bbox": [ + 105, + 462, + 328, + 477 + ], + "score": 1.0, + "content": "3 PROBLEM SETTING AND MAIN RESULT", + "type": "text" + } + ], + "index": 32 + } + ], + "index": 32 + }, + { + "type": "title", + "bbox": [ + 107, + 488, + 176, + 500 + ], + "lines": [ + { + "bbox": [ + 105, + 487, + 178, + 502 + ], + "spans": [ + { + "bbox": [ + 105, + 487, + 178, + 502 + ], + "score": 1.0, + "content": "3.1 NOTATION", + "type": "text" + } + ], + "index": 33 + } + ], + "index": 33 + }, + { + "type": "text", + "bbox": [ + 106, + 509, + 505, + 624 + ], + "lines": [ + { + "bbox": [ + 105, + 508, + 506, + 523 + ], + "spans": [ + { + "bbox": [ + 105, + 508, + 122, + 523 + ], + "score": 1.0, + "content": "Let", + "type": "text" + }, + { + "bbox": [ + 123, + 510, + 138, + 521 + ], + "score": 0.84, + "content": "\\mathbb { N } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 138, + 508, + 281, + 523 + ], + "score": 1.0, + "content": "be the set of positive integers. For", + "type": "text" + }, + { + "bbox": [ + 281, + 510, + 319, + 522 + ], + "score": 0.92, + "content": "N \\in { \\mathbb { N } } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 320, + 508, + 368, + 523 + ], + "score": 1.0, + "content": ", we denote", + "type": "text" + }, + { + "bbox": [ + 369, + 510, + 448, + 522 + ], + "score": 0.92, + "content": "[ N ] : = \\{ 1 , \\dots , N \\}", + "type": "inline_equation" + }, + { + "bbox": [ + 448, + 508, + 506, + 523 + ], + "score": 1.0, + "content": ". For a vector", + "type": "text" + } + ], + "index": 34 + }, + { + "bbox": [ + 106, + 517, + 506, + 534 + ], + "spans": [ + { + "bbox": [ + 106, + 521, + 140, + 531 + ], + "score": 0.9, + "content": "v \\in \\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 140, + 517, + 181, + 534 + ], + "score": 1.0, + "content": ", we write", + "type": "text" + }, + { + "bbox": [ + 182, + 522, + 207, + 532 + ], + "score": 0.91, + "content": "v \\geq 0", + "type": "inline_equation" + }, + { + "bbox": [ + 207, + 517, + 262, + 534 + ], + "score": 1.0, + "content": "if and only if", + "type": "text" + }, + { + "bbox": [ + 263, + 522, + 293, + 532 + ], + "score": 0.91, + "content": "v _ { n } \\geq 0", + "type": "inline_equation" + }, + { + "bbox": [ + 293, + 517, + 321, + 534 + ], + "score": 1.0, + "content": "for all", + "type": "text" + }, + { + "bbox": [ + 321, + 521, + 355, + 532 + ], + "score": 0.91, + "content": "n \\in [ N ]", + "type": "inline_equation" + }, + { + "bbox": [ + 355, + 517, + 451, + 534 + ], + "score": 1.0, + "content": ". Similarly, for a matrix", + "type": "text" + }, + { + "bbox": [ + 452, + 520, + 501, + 531 + ], + "score": 0.91, + "content": "X \\in \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 517, + 506, + 534 + ], + "score": 1.0, + "content": ",", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 106, + 531, + 506, + 545 + ], + "spans": [ + { + "bbox": [ + 106, + 531, + 145, + 545 + ], + "score": 1.0, + "content": "we write", + "type": "text" + }, + { + "bbox": [ + 145, + 532, + 176, + 543 + ], + "score": 0.91, + "content": "X \\geq 0", + "type": "inline_equation" + }, + { + "bbox": [ + 176, + 531, + 234, + 545 + ], + "score": 1.0, + "content": "if and only if", + "type": "text" + }, + { + "bbox": [ + 235, + 532, + 273, + 543 + ], + "score": 0.92, + "content": "X _ { n c } \\geq 0", + "type": "inline_equation" + }, + { + "bbox": [ + 274, + 531, + 303, + 545 + ], + "score": 1.0, + "content": "for all", + "type": "text" + }, + { + "bbox": [ + 303, + 532, + 339, + 544 + ], + "score": 0.91, + "content": "n \\in [ N ]", + "type": "inline_equation" + }, + { + "bbox": [ + 340, + 531, + 359, + 545 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 359, + 532, + 392, + 544 + ], + "score": 0.92, + "content": "c \\in [ C ]", + "type": "inline_equation" + }, + { + "bbox": [ + 393, + 531, + 506, + 545 + ], + "score": 1.0, + "content": ". We say such a vector and", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 105, + 542, + 505, + 555 + ], + "spans": [ + { + "bbox": [ + 105, + 542, + 207, + 555 + ], + "score": 1.0, + "content": "matrix is non-negative.", + "type": "text" + }, + { + "bbox": [ + 207, + 543, + 226, + 555 + ], + "score": 0.9, + "content": "\\langle \\cdot , \\cdot \\rangle", + "type": "inline_equation" + }, + { + "bbox": [ + 226, + 542, + 505, + 555 + ], + "score": 1.0, + "content": "denotes the inner product of vectors or matrices, depending on the", + "type": "text" + } + ], + "index": 37 + }, + { + "bbox": [ + 104, + 550, + 507, + 568 + ], + "spans": [ + { + "bbox": [ + 104, + 550, + 142, + 568 + ], + "score": 1.0, + "content": "context:", + "type": "text" + }, + { + "bbox": [ + 142, + 553, + 200, + 566 + ], + "score": 0.92, + "content": "\\langle u , v \\rangle : = u ^ { \\top } v", + "type": "inline_equation" + }, + { + "bbox": [ + 200, + 550, + 215, + 568 + ], + "score": 1.0, + "content": "for", + "type": "text" + }, + { + "bbox": [ + 216, + 553, + 259, + 565 + ], + "score": 0.92, + "content": "u , v \\in \\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 259, + 550, + 278, + 568 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 278, + 553, + 362, + 565 + ], + "score": 0.9, + "content": "\\langle X , Y \\rangle : = \\mathrm { t r } ( X ^ { T } Y )", + "type": "inline_equation" + }, + { + "bbox": [ + 362, + 550, + 378, + 568 + ], + "score": 1.0, + "content": "for", + "type": "text" + }, + { + "bbox": [ + 379, + 553, + 440, + 564 + ], + "score": 0.87, + "content": "X , Y \\in \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 440, + 550, + 443, + 568 + ], + "score": 1.0, + "content": ".", + "type": "text" + }, + { + "bbox": [ + 443, + 554, + 458, + 565 + ], + "score": 0.53, + "content": "{ \\bf 1 } _ { P }", + "type": "inline_equation" + }, + { + "bbox": [ + 458, + 550, + 507, + 568 + ], + "score": 1.0, + "content": "equals to 1", + "type": "text" + } + ], + "index": 38 + }, + { + "bbox": [ + 104, + 561, + 507, + 579 + ], + "spans": [ + { + "bbox": [ + 104, + 561, + 178, + 579 + ], + "score": 1.0, + "content": "if the proposition", + "type": "text" + }, + { + "bbox": [ + 179, + 566, + 188, + 575 + ], + "score": 0.84, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 188, + 561, + 295, + 579 + ], + "score": 1.0, + "content": "is true else 0. For vectors", + "type": "text" + }, + { + "bbox": [ + 295, + 565, + 329, + 575 + ], + "score": 0.87, + "content": "v \\in \\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 330, + 561, + 348, + 579 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 348, + 564, + 384, + 575 + ], + "score": 0.9, + "content": "w \\in \\mathbb { R } ^ { C }", + "type": "inline_equation" + }, + { + "bbox": [ + 384, + 561, + 389, + 579 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 389, + 564, + 455, + 575 + ], + "score": 0.87, + "content": "v \\otimes w \\in \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 456, + 561, + 507, + 579 + ], + "score": 1.0, + "content": "denotes the", + "type": "text" + } + ], + "index": 39 + }, + { + "bbox": [ + 104, + 575, + 504, + 591 + ], + "spans": [ + { + "bbox": [ + 104, + 575, + 194, + 591 + ], + "score": 1.0, + "content": "Kronecker product of", + "type": "text" + }, + { + "bbox": [ + 195, + 579, + 201, + 587 + ], + "score": 0.76, + "content": "v", + "type": "inline_equation" + }, + { + "bbox": [ + 201, + 575, + 218, + 591 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 219, + 579, + 228, + 587 + ], + "score": 0.78, + "content": "w", + "type": "inline_equation" + }, + { + "bbox": [ + 228, + 575, + 273, + 591 + ], + "score": 1.0, + "content": "defined by", + "type": "text" + }, + { + "bbox": [ + 273, + 577, + 353, + 589 + ], + "score": 0.88, + "content": "( v \\otimes w ) _ { n c } : = v _ { n } w _ { c } .", + "type": "inline_equation" + }, + { + "bbox": [ + 353, + 575, + 372, + 591 + ], + "score": 1.0, + "content": ". For", + "type": "text" + }, + { + "bbox": [ + 372, + 577, + 422, + 588 + ], + "score": 0.86, + "content": "X \\in \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 422, + 575, + 426, + 591 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 426, + 576, + 504, + 589 + ], + "score": 0.8, + "content": "\\| X \\| _ { \\mathrm { F } } : = \\langle X , X \\rangle ^ { \\frac { 1 } { 2 } }", + "type": "inline_equation" + } + ], + "index": 40 + }, + { + "bbox": [ + 102, + 584, + 504, + 605 + ], + "spans": [ + { + "bbox": [ + 102, + 584, + 234, + 605 + ], + "score": 1.0, + "content": "denotes the Frobenius norm of", + "type": "text" + }, + { + "bbox": [ + 234, + 589, + 244, + 598 + ], + "score": 0.85, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 244, + 584, + 303, + 605 + ], + "score": 1.0, + "content": ". For a vector", + "type": "text" + }, + { + "bbox": [ + 303, + 588, + 338, + 599 + ], + "score": 0.84, + "content": "v \\in \\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 339, + 584, + 342, + 605 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 343, + 588, + 504, + 601 + ], + "score": 0.88, + "content": "\\mathrm { d i a g } ( v ) : = ( v _ { n } \\delta _ { n m } ) _ { n , m \\in [ N ] } \\in \\mathbb { R } ^ { N \\times N }", + "type": "inline_equation" + } + ], + "index": 41 + }, + { + "bbox": [ + 104, + 597, + 506, + 614 + ], + "spans": [ + { + "bbox": [ + 104, + 597, + 230, + 614 + ], + "score": 1.0, + "content": "denotes the diagonalization of", + "type": "text" + }, + { + "bbox": [ + 231, + 603, + 237, + 611 + ], + "score": 0.67, + "content": "v", + "type": "inline_equation" + }, + { + "bbox": [ + 237, + 597, + 242, + 614 + ], + "score": 1.0, + "content": ".", + "type": "text" + }, + { + "bbox": [ + 243, + 600, + 298, + 612 + ], + "score": 0.89, + "content": "I _ { N } \\in \\mathbb { R } ^ { N \\times N }", + "type": "inline_equation" + }, + { + "bbox": [ + 298, + 597, + 439, + 614 + ], + "score": 1.0, + "content": "denotes the identity matrix of size", + "type": "text" + }, + { + "bbox": [ + 440, + 602, + 450, + 611 + ], + "score": 0.82, + "content": "N", + "type": "inline_equation" + }, + { + "bbox": [ + 450, + 597, + 506, + 614 + ], + "score": 1.0, + "content": ". For a linear", + "type": "text" + } + ], + "index": 42 + }, + { + "bbox": [ + 104, + 609, + 478, + 627 + ], + "spans": [ + { + "bbox": [ + 104, + 609, + 142, + 627 + ], + "score": 1.0, + "content": "operator", + "type": "text" + }, + { + "bbox": [ + 142, + 612, + 205, + 622 + ], + "score": 0.91, + "content": "P : \\mathbb { R } ^ { \\tilde { N } } \\mathbb { R } ^ { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 205, + 609, + 258, + 627 + ], + "score": 1.0, + "content": "and a subset", + "type": "text" + }, + { + "bbox": [ + 258, + 612, + 295, + 623 + ], + "score": 0.89, + "content": "V \\subset \\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 295, + 609, + 411, + 627 + ], + "score": 1.0, + "content": ", we denote the restriction of", + "type": "text" + }, + { + "bbox": [ + 411, + 613, + 420, + 622 + ], + "score": 0.84, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 420, + 609, + 431, + 627 + ], + "score": 1.0, + "content": "to", + "type": "text" + }, + { + "bbox": [ + 431, + 613, + 441, + 622 + ], + "score": 0.81, + "content": "V", + "type": "inline_equation" + }, + { + "bbox": [ + 441, + 609, + 454, + 627 + ], + "score": 1.0, + "content": "by", + "type": "text" + }, + { + "bbox": [ + 455, + 613, + 473, + 624 + ], + "score": 0.92, + "content": "P | _ { V }", + "type": "inline_equation" + }, + { + "bbox": [ + 473, + 609, + 478, + 627 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 43 + } + ], + "index": 38.5, + "bbox_fs": [ + 102, + 508, + 507, + 627 + ] + }, + { + "type": "title", + "bbox": [ + 108, + 638, + 223, + 650 + ], + "lines": [ + { + "bbox": [ + 105, + 637, + 225, + 651 + ], + "spans": [ + { + "bbox": [ + 105, + 637, + 225, + 651 + ], + "score": 1.0, + "content": "3.2 DYNAMICAL SYSTEM", + "type": "text" + } + ], + "index": 44 + } + ], + "index": 44 + }, + { + "type": "text", + "bbox": [ + 107, + 659, + 503, + 682 + ], + "lines": [ + { + "bbox": [ + 106, + 660, + 505, + 672 + ], + "spans": [ + { + "bbox": [ + 106, + 660, + 505, + 672 + ], + "score": 1.0, + "content": "Although we are mainly interested in GCNs, we develop our theory more generally using dynamical", + "type": "text" + } + ], + "index": 45 + }, + { + "bbox": [ + 105, + 671, + 325, + 683 + ], + "spans": [ + { + "bbox": [ + 105, + 671, + 325, + 683 + ], + "score": 1.0, + "content": "systems. We will specialize to the GCNs in Section 4.", + "type": "text" + } + ], + "index": 46 + } + ], + "index": 45.5, + "bbox_fs": [ + 105, + 660, + 505, + 683 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 686, + 505, + 732 + ], + "lines": [ + { + "bbox": [ + 104, + 684, + 507, + 701 + ], + "spans": [ + { + "bbox": [ + 104, + 684, + 124, + 701 + ], + "score": 1.0, + "content": "For", + "type": "text" + }, + { + "bbox": [ + 124, + 687, + 192, + 699 + ], + "score": 0.87, + "content": "N , C , H _ { l } \\ \\in \\ \\mathbb { N } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 196, + 687, + 235, + 699 + ], + "score": 0.74, + "content": "( l \\in \\mathbb { N } _ { + } )", + "type": "inline_equation" + }, + { + "bbox": [ + 235, + 684, + 255, + 701 + ], + "score": 1.0, + "content": ", let", + "type": "text" + }, + { + "bbox": [ + 255, + 686, + 309, + 698 + ], + "score": 0.9, + "content": "P \\in \\mathbb { R } ^ { N \\times N }", + "type": "inline_equation" + }, + { + "bbox": [ + 309, + 684, + 426, + 701 + ], + "score": 1.0, + "content": "be a symmetric matrix and", + "type": "text" + }, + { + "bbox": [ + 427, + 686, + 488, + 699 + ], + "score": 0.92, + "content": "W _ { l h } \\ \\in \\ \\mathbb { R } ^ { C \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 489, + 684, + 507, + 701 + ], + "score": 1.0, + "content": "for", + "type": "text" + } + ], + "index": 47 + }, + { + "bbox": [ + 107, + 694, + 508, + 713 + ], + "spans": [ + { + "bbox": [ + 107, + 699, + 142, + 710 + ], + "score": 0.87, + "content": "l \\in \\mathbb { N } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 143, + 694, + 163, + 713 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 163, + 699, + 205, + 709 + ], + "score": 0.87, + "content": "h \\in \\lceil H _ { l } \\rceil", + "type": "inline_equation" + }, + { + "bbox": [ + 205, + 694, + 259, + 713 + ], + "score": 1.0, + "content": ". We define", + "type": "text" + }, + { + "bbox": [ + 259, + 698, + 357, + 710 + ], + "score": 0.89, + "content": "f _ { l } : \\mathbb { R } ^ { N \\times C } \\mathbb { R } ^ { \\mathbf { \\tilde { N } } \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 358, + 694, + 375, + 713 + ], + "score": 1.0, + "content": "by", + "type": "text" + }, + { + "bbox": [ + 375, + 699, + 471, + 711 + ], + "score": 0.92, + "content": "f _ { l } ( X ) \\ : = \\ \\mathrm { M L P } _ { l } ( P X )", + "type": "inline_equation" + }, + { + "bbox": [ + 472, + 694, + 508, + 713 + ], + "score": 1.0, + "content": ". Here,", + "type": "text" + } + ], + "index": 48 + }, + { + "bbox": [ + 106, + 706, + 506, + 723 + ], + "spans": [ + { + "bbox": [ + 106, + 709, + 213, + 721 + ], + "score": 0.88, + "content": "\\mathrm { M L P } _ { l } : \\mathbb { R } ^ { N \\times C } \\to \\dot { \\mathbb { R } } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 214, + 706, + 239, + 723 + ], + "score": 1.0, + "content": "is the", + "type": "text" + }, + { + "bbox": [ + 240, + 710, + 244, + 720 + ], + "score": 0.66, + "content": "l", + "type": "inline_equation" + }, + { + "bbox": [ + 244, + 706, + 438, + 723 + ], + "score": 1.0, + "content": "-th multi-layer perceptron common to all nodes", + "type": "text" + }, + { + "bbox": [ + 439, + 711, + 453, + 719 + ], + "score": 0.61, + "content": "\\mathrm { { . x u } }", + "type": "inline_equation" + }, + { + "bbox": [ + 453, + 706, + 506, + 723 + ], + "score": 1.0, + "content": "et al., 2019)", + "type": "text" + } + ], + "index": 49 + }, + { + "bbox": [ + 103, + 718, + 503, + 733 + ], + "spans": [ + { + "bbox": [ + 103, + 718, + 181, + 733 + ], + "score": 1.0, + "content": "and is defined by", + "type": "text" + }, + { + "bbox": [ + 182, + 720, + 378, + 733 + ], + "score": 0.89, + "content": "\\mathrm { M L P } _ { l } ( X ) : = \\sigma ( \\cdots \\sigma ( \\sigma ( \\dot { X } ) \\bar { W } _ { l 1 } ) \\bar { W } _ { l 2 } \\cdot \\cdot \\cdot W _ { l H _ { l } } )", + "type": "inline_equation" + }, + { + "bbox": [ + 378, + 718, + 410, + 733 + ], + "score": 1.0, + "content": ", where", + "type": "text" + }, + { + "bbox": [ + 410, + 720, + 503, + 730 + ], + "score": 0.9, + "content": "\\sigma : \\mathbb { R } ^ { \\dot { N } \\times C } \\mathbb { R } ^ { N \\times \\dot { C } }", + "type": "inline_equation" + } + ], + "index": 50 + }, + { + "bbox": [ + 104, + 80, + 504, + 96 + ], + "spans": [ + { + "bbox": [ + 104, + 80, + 399, + 96 + ], + "score": 1.0, + "content": "is an element-wise ReLU function (Krizhevsky et al., 2012) defined by", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 399, + 82, + 504, + 95 + ], + "score": 0.92, + "content": "\\sigma ( X ) _ { n c } : = \\operatorname* { m a x } ( X _ { n c } , 0 )", + "type": "inline_equation", + "cross_page": true + } + ], + "index": 0 + }, + { + "bbox": [ + 104, + 92, + 506, + 109 + ], + "spans": [ + { + "bbox": [ + 104, + 92, + 122, + 109 + ], + "score": 1.0, + "content": "for", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 122, + 94, + 200, + 106 + ], + "score": 0.91, + "content": "n \\in [ N ] , c \\in [ C ]", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 200, + 92, + 320, + 109 + ], + "score": 1.0, + "content": ". We consider the dynamics", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 321, + 93, + 405, + 106 + ], + "score": 0.92, + "content": "X ^ { ( l + 1 ) } : = f _ { l } ( X ^ { ( l ) } )", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 406, + 92, + 506, + 109 + ], + "score": 1.0, + "content": "with some initial value", + "type": "text", + "cross_page": true + } + ], + "index": 1 + }, + { + "bbox": [ + 106, + 104, + 428, + 121 + ], + "spans": [ + { + "bbox": [ + 106, + 106, + 167, + 118 + ], + "score": 0.91, + "content": "X ^ { ( 0 ) } \\in \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 167, + 104, + 362, + 121 + ], + "score": 1.0, + "content": ". We are interested in the asymptotic behavior of", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 362, + 106, + 381, + 117 + ], + "score": 0.9, + "content": "X ^ { ( l ) }", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 381, + 104, + 393, + 121 + ], + "score": 1.0, + "content": "as", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 393, + 108, + 423, + 117 + ], + "score": 0.89, + "content": "l \\infty", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 423, + 104, + 428, + 121 + ], + "score": 1.0, + "content": ".", + "type": "text", + "cross_page": true + } + ], + "index": 2 + } + ], + "index": 48.5, + "bbox_fs": [ + 103, + 684, + 508, + 733 + ] + } + ] + }, + { + "preproc_blocks": [ + { + "type": "text", + "bbox": [ + 106, + 82, + 505, + 119 + ], + "lines": [ + { + "bbox": [ + 104, + 80, + 504, + 96 + ], + "spans": [ + { + "bbox": [ + 104, + 80, + 399, + 96 + ], + "score": 1.0, + "content": "is an element-wise ReLU function (Krizhevsky et al., 2012) defined by", + "type": "text" + }, + { + "bbox": [ + 399, + 82, + 504, + 95 + ], + "score": 0.92, + "content": "\\sigma ( X ) _ { n c } : = \\operatorname* { m a x } ( X _ { n c } , 0 )", + "type": "inline_equation" + } + ], + "index": 0 + }, + { + "bbox": [ + 104, + 92, + 506, + 109 + ], + "spans": [ + { + "bbox": [ + 104, + 92, + 122, + 109 + ], + "score": 1.0, + "content": "for", + "type": "text" + }, + { + "bbox": [ + 122, + 94, + 200, + 106 + ], + "score": 0.91, + "content": "n \\in [ N ] , c \\in [ C ]", + "type": "inline_equation" + }, + { + "bbox": [ + 200, + 92, + 320, + 109 + ], + "score": 1.0, + "content": ". We consider the dynamics", + "type": "text" + }, + { + "bbox": [ + 321, + 93, + 405, + 106 + ], + "score": 0.92, + "content": "X ^ { ( l + 1 ) } : = f _ { l } ( X ^ { ( l ) } )", + "type": "inline_equation" + }, + { + "bbox": [ + 406, + 92, + 506, + 109 + ], + "score": 1.0, + "content": "with some initial value", + "type": "text" + } + ], + "index": 1 + }, + { + "bbox": [ + 106, + 104, + 428, + 121 + ], + "spans": [ + { + "bbox": [ + 106, + 106, + 167, + 118 + ], + "score": 0.91, + "content": "X ^ { ( 0 ) } \\in \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 167, + 104, + 362, + 121 + ], + "score": 1.0, + "content": ". We are interested in the asymptotic behavior of", + "type": "text" + }, + { + "bbox": [ + 362, + 106, + 381, + 117 + ], + "score": 0.9, + "content": "X ^ { ( l ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 381, + 104, + 393, + 121 + ], + "score": 1.0, + "content": "as", + "type": "text" + }, + { + "bbox": [ + 393, + 108, + 423, + 117 + ], + "score": 0.89, + "content": "l \\infty", + "type": "inline_equation" + }, + { + "bbox": [ + 423, + 104, + 428, + 121 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 2 + } + ], + "index": 1 + }, + { + "type": "text", + "bbox": [ + 109, + 123, + 502, + 158 + ], + "lines": [ + { + "bbox": [ + 105, + 122, + 505, + 137 + ], + "spans": [ + { + "bbox": [ + 105, + 122, + 123, + 137 + ], + "score": 1.0, + "content": "For", + "type": "text" + }, + { + "bbox": [ + 124, + 124, + 162, + 135 + ], + "score": 0.91, + "content": "M \\leq N", + "type": "inline_equation" + }, + { + "bbox": [ + 162, + 122, + 180, + 137 + ], + "score": 1.0, + "content": ", let", + "type": "text" + }, + { + "bbox": [ + 180, + 124, + 189, + 134 + ], + "score": 0.8, + "content": "U", + "type": "inline_equation" + }, + { + "bbox": [ + 190, + 122, + 212, + 137 + ], + "score": 1.0, + "content": "be a", + "type": "text" + }, + { + "bbox": [ + 212, + 124, + 224, + 134 + ], + "score": 0.81, + "content": "M", + "type": "inline_equation" + }, + { + "bbox": [ + 224, + 122, + 329, + 137 + ], + "score": 1.0, + "content": "-dimensional subspace of", + "type": "text" + }, + { + "bbox": [ + 330, + 123, + 345, + 135 + ], + "score": 0.9, + "content": "\\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 345, + 122, + 420, + 137 + ], + "score": 1.0, + "content": ". We assume that", + "type": "text" + }, + { + "bbox": [ + 421, + 124, + 430, + 134 + ], + "score": 0.82, + "content": "U", + "type": "inline_equation" + }, + { + "bbox": [ + 430, + 122, + 450, + 137 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 450, + 125, + 459, + 134 + ], + "score": 0.81, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 459, + 122, + 505, + 137 + ], + "score": 1.0, + "content": "satisfy the", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 106, + 135, + 504, + 147 + ], + "spans": [ + { + "bbox": [ + 106, + 135, + 338, + 147 + ], + "score": 1.0, + "content": "following properties that generalize the situation where", + "type": "text" + }, + { + "bbox": [ + 338, + 136, + 347, + 145 + ], + "score": 0.82, + "content": "U", + "type": "inline_equation" + }, + { + "bbox": [ + 348, + 135, + 504, + 147 + ], + "score": 1.0, + "content": "is the eigenspace associated with the", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 107, + 146, + 501, + 158 + ], + "spans": [ + { + "bbox": [ + 107, + 146, + 325, + 158 + ], + "score": 1.0, + "content": "smallest eigenvalue of a (normalized) graph Laplacian", + "type": "text" + }, + { + "bbox": [ + 325, + 146, + 334, + 156 + ], + "score": 0.8, + "content": "\\Delta", + "type": "inline_equation" + }, + { + "bbox": [ + 335, + 146, + 407, + 158 + ], + "score": 1.0, + "content": "(that is, zero) and", + "type": "text" + }, + { + "bbox": [ + 407, + 147, + 416, + 156 + ], + "score": 0.83, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 417, + 146, + 492, + 158 + ], + "score": 1.0, + "content": "is a polynomial of", + "type": "text" + }, + { + "bbox": [ + 492, + 147, + 501, + 156 + ], + "score": 0.81, + "content": "\\Delta", + "type": "inline_equation" + } + ], + "index": 5 + } + ], + "index": 4 + }, + { + "type": "text", + "bbox": [ + 108, + 159, + 485, + 171 + ], + "lines": [ + { + "bbox": [ + 106, + 158, + 486, + 173 + ], + "spans": [ + { + "bbox": [ + 106, + 158, + 172, + 173 + ], + "score": 1.0, + "content": "Assumption 1.", + "type": "text" + }, + { + "bbox": [ + 172, + 159, + 181, + 169 + ], + "score": 0.49, + "content": "U", + "type": "inline_equation" + }, + { + "bbox": [ + 182, + 158, + 288, + 173 + ], + "score": 1.0, + "content": "has an orthonormal basis", + "type": "text" + }, + { + "bbox": [ + 288, + 159, + 334, + 172 + ], + "score": 0.93, + "content": "( e _ { m } ) _ { m \\in [ M ] }", + "type": "inline_equation" + }, + { + "bbox": [ + 334, + 158, + 486, + 173 + ], + "score": 1.0, + "content": "that consists of non-negative vectors.", + "type": "text" + } + ], + "index": 6 + } + ], + "index": 6 + }, + { + "type": "text", + "bbox": [ + 107, + 172, + 382, + 184 + ], + "lines": [ + { + "bbox": [ + 106, + 172, + 383, + 185 + ], + "spans": [ + { + "bbox": [ + 106, + 172, + 172, + 185 + ], + "score": 1.0, + "content": "Assumption 2.", + "type": "text" + }, + { + "bbox": [ + 172, + 173, + 181, + 183 + ], + "score": 0.46, + "content": "U", + "type": "inline_equation" + }, + { + "bbox": [ + 182, + 172, + 256, + 185 + ], + "score": 1.0, + "content": "is invariant under", + "type": "text" + }, + { + "bbox": [ + 256, + 173, + 265, + 183 + ], + "score": 0.71, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 265, + 172, + 294, + 185 + ], + "score": 1.0, + "content": ", i.e., if", + "type": "text" + }, + { + "bbox": [ + 294, + 173, + 321, + 184 + ], + "score": 0.81, + "content": "u \\in U", + "type": "inline_equation" + }, + { + "bbox": [ + 321, + 172, + 344, + 185 + ], + "score": 1.0, + "content": ", then", + "type": "text" + }, + { + "bbox": [ + 345, + 173, + 379, + 183 + ], + "score": 0.9, + "content": "P u \\in U", + "type": "inline_equation" + }, + { + "bbox": [ + 379, + 172, + 383, + 185 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 7 + } + ], + "index": 7 + }, + { + "type": "text", + "bbox": [ + 106, + 191, + 505, + 258 + ], + "lines": [ + { + "bbox": [ + 105, + 189, + 505, + 204 + ], + "spans": [ + { + "bbox": [ + 105, + 189, + 150, + 204 + ], + "score": 1.0, + "content": "We endow", + "type": "text" + }, + { + "bbox": [ + 150, + 191, + 166, + 202 + ], + "score": 0.88, + "content": "\\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 166, + 189, + 453, + 204 + ], + "score": 1.0, + "content": "with the ordinal inner product and denote the orthogonal complement of", + "type": "text" + }, + { + "bbox": [ + 453, + 192, + 462, + 202 + ], + "score": 0.81, + "content": "U", + "type": "inline_equation" + }, + { + "bbox": [ + 462, + 189, + 474, + 204 + ], + "score": 1.0, + "content": "by", + "type": "text" + }, + { + "bbox": [ + 475, + 191, + 505, + 203 + ], + "score": 0.86, + "content": "U ^ { \\perp } : =", + "type": "inline_equation" + } + ], + "index": 8 + }, + { + "bbox": [ + 107, + 200, + 506, + 216 + ], + "spans": [ + { + "bbox": [ + 107, + 202, + 240, + 215 + ], + "score": 0.88, + "content": "\\{ u \\in \\mathbb { R } ^ { N } \\mid \\langle u , v \\rangle = 0 , \\forall v \\in U \\}", + "type": "inline_equation" + }, + { + "bbox": [ + 241, + 200, + 329, + 216 + ], + "score": 1.0, + "content": ". By the symmetry of", + "type": "text" + }, + { + "bbox": [ + 330, + 203, + 338, + 213 + ], + "score": 0.83, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 339, + 200, + 415, + 216 + ], + "score": 1.0, + "content": ", we can show that", + "type": "text" + }, + { + "bbox": [ + 415, + 202, + 431, + 213 + ], + "score": 0.89, + "content": "U ^ { \\perp }", + "type": "inline_equation" + }, + { + "bbox": [ + 432, + 200, + 506, + 216 + ], + "score": 1.0, + "content": "is invariant under", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 107, + 212, + 505, + 227 + ], + "spans": [ + { + "bbox": [ + 107, + 214, + 115, + 223 + ], + "score": 0.8, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 116, + 212, + 376, + 227 + ], + "score": 1.0, + "content": ", too (Appendix E.1, Proposition 2). Therefore, we can regard", + "type": "text" + }, + { + "bbox": [ + 376, + 214, + 385, + 223 + ], + "score": 0.83, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 386, + 212, + 471, + 227 + ], + "score": 1.0, + "content": "as a linear mapping", + "type": "text" + }, + { + "bbox": [ + 472, + 213, + 505, + 226 + ], + "score": 0.72, + "content": "P | _ { U ^ { \\perp } } :", + "type": "inline_equation" + } + ], + "index": 10 + }, + { + "bbox": [ + 107, + 222, + 506, + 237 + ], + "spans": [ + { + "bbox": [ + 107, + 224, + 155, + 235 + ], + "score": 0.91, + "content": "U ^ { \\perp } \\to U ^ { \\perp }", + "type": "inline_equation" + }, + { + "bbox": [ + 156, + 222, + 297, + 237 + ], + "score": 1.0, + "content": ". We denote the operator norm of", + "type": "text" + }, + { + "bbox": [ + 297, + 225, + 321, + 236 + ], + "score": 0.91, + "content": "P | _ { U ^ { \\perp } }", + "type": "inline_equation" + }, + { + "bbox": [ + 321, + 222, + 336, + 237 + ], + "score": 1.0, + "content": "by", + "type": "text" + }, + { + "bbox": [ + 337, + 225, + 344, + 235 + ], + "score": 0.78, + "content": "\\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 344, + 222, + 378, + 237 + ], + "score": 1.0, + "content": ". When", + "type": "text" + }, + { + "bbox": [ + 378, + 225, + 387, + 235 + ], + "score": 0.81, + "content": "U", + "type": "inline_equation" + }, + { + "bbox": [ + 387, + 222, + 506, + 237 + ], + "score": 1.0, + "content": "is the eigenspace associated", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 105, + 234, + 506, + 248 + ], + "spans": [ + { + "bbox": [ + 105, + 234, + 235, + 248 + ], + "score": 1.0, + "content": "with the smallest eigenvalue of", + "type": "text" + }, + { + "bbox": [ + 235, + 236, + 245, + 245 + ], + "score": 0.83, + "content": "\\Delta", + "type": "inline_equation" + }, + { + "bbox": [ + 245, + 234, + 263, + 248 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 264, + 236, + 273, + 245 + ], + "score": 0.83, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 273, + 234, + 284, + 248 + ], + "score": 1.0, + "content": "is", + "type": "text" + }, + { + "bbox": [ + 284, + 236, + 306, + 248 + ], + "score": 0.92, + "content": "g ( \\Delta )", + "type": "inline_equation" + }, + { + "bbox": [ + 307, + 234, + 335, + 248 + ], + "score": 1.0, + "content": "where", + "type": "text" + }, + { + "bbox": [ + 335, + 237, + 342, + 247 + ], + "score": 0.81, + "content": "g", + "type": "inline_equation" + }, + { + "bbox": [ + 343, + 234, + 434, + 248 + ], + "score": 1.0, + "content": "is a polynomial, then,", + "type": "text" + }, + { + "bbox": [ + 435, + 236, + 442, + 245 + ], + "score": 0.76, + "content": "\\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 442, + 234, + 506, + 248 + ], + "score": 1.0, + "content": "corresponds to", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 107, + 245, + 427, + 260 + ], + "spans": [ + { + "bbox": [ + 107, + 246, + 173, + 260 + ], + "score": 0.93, + "content": "\\begin{array} { r } { \\lambda = \\operatorname* { s u p } _ { \\mu } \\left| g ( \\mu ) \\right| } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 173, + 245, + 427, + 260 + ], + "score": 1.0, + "content": "where sup ranges over all eigenvalues except the smallest one.", + "type": "text" + } + ], + "index": 13 + } + ], + "index": 10.5 + }, + { + "type": "title", + "bbox": [ + 107, + 270, + 193, + 282 + ], + "lines": [ + { + "bbox": [ + 106, + 270, + 194, + 283 + ], + "spans": [ + { + "bbox": [ + 106, + 270, + 194, + 283 + ], + "score": 1.0, + "content": "3.3 MAIN RESULT", + "type": "text" + } + ], + "index": 14 + } + ], + "index": 14 + }, + { + "type": "text", + "bbox": [ + 107, + 289, + 505, + 352 + ], + "lines": [ + { + "bbox": [ + 154, + 281, + 511, + 317 + ], + "spans": [ + { + "bbox": [ + 154, + 281, + 202, + 317 + ], + "score": 1.0, + "content": "he subspace is the ortho", + "type": "text" + }, + { + "bbox": [ + 203, + 291, + 216, + 302 + ], + "score": 0.81, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 216, + 281, + 228, + 317 + ], + "score": 1.0, + "content": "of ma", + "type": "text" + }, + { + "bbox": [ + 228, + 290, + 256, + 301 + ], + "score": 0.9, + "content": "\\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 256, + 281, + 266, + 317 + ], + "score": 1.0, + "content": "b of", + "type": "text" + }, + { + "bbox": [ + 270, + 289, + 477, + 304 + ], + "score": 0.88, + "content": "\\begin{array} { r } { \\mathcal { M } : = U \\otimes \\mathbb { R } ^ { C } = \\{ \\sum _ { m = 1 } ^ { M } e _ { m } \\otimes w _ { m } \\mid w _ { m } \\in \\mathbb { R } ^ { C } \\} } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 478, + 281, + 511, + 317 + ], + "score": 1.0, + "content": "wheredenote", + "type": "text" + } + ], + "index": 15 + }, + { + "bbox": [ + 107, + 303, + 457, + 317 + ], + "spans": [ + { + "bbox": [ + 107, + 303, + 153, + 317 + ], + "score": 0.92, + "content": "( e _ { m } ) _ { m \\in [ M ] }", + "type": "inline_equation" + }, + { + "bbox": [ + 266, + 304, + 275, + 314 + ], + "score": 0.81, + "content": "U", + "type": "inline_equation" + }, + { + "bbox": [ + 406, + 303, + 457, + 314 + ], + "score": 0.9, + "content": "X \\in \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + } + ], + "index": 16 + }, + { + "bbox": [ + 105, + 315, + 505, + 329 + ], + "spans": [ + { + "bbox": [ + 105, + 315, + 191, + 329 + ], + "score": 1.0, + "content": "the distance between", + "type": "text" + }, + { + "bbox": [ + 191, + 316, + 201, + 326 + ], + "score": 0.83, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 202, + 315, + 219, + 329 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 219, + 316, + 232, + 326 + ], + "score": 0.83, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 232, + 315, + 245, + 329 + ], + "score": 1.0, + "content": "by", + "type": "text" + }, + { + "bbox": [ + 245, + 315, + 399, + 328 + ], + "score": 0.9, + "content": "d _ { \\mathcal { M } } ( X ) : = \\operatorname* { i n f } \\left\\{ \\| X - Y \\| _ { \\mathrm { F } } \\mid Y \\in \\mathcal { M } \\right\\}", + "type": "inline_equation" + }, + { + "bbox": [ + 400, + 315, + 505, + 329 + ], + "score": 1.0, + "content": ". We denote the maximum", + "type": "text" + } + ], + "index": 17 + }, + { + "bbox": [ + 102, + 322, + 509, + 347 + ], + "spans": [ + { + "bbox": [ + 102, + 322, + 178, + 347 + ], + "score": 1.0, + "content": "singular value of", + "type": "text" + }, + { + "bbox": [ + 178, + 329, + 196, + 340 + ], + "score": 0.9, + "content": "W _ { l h }", + "type": "inline_equation" + }, + { + "bbox": [ + 197, + 322, + 211, + 347 + ], + "score": 1.0, + "content": "by", + "type": "text" + }, + { + "bbox": [ + 212, + 331, + 225, + 340 + ], + "score": 0.85, + "content": "s _ { l h }", + "type": "inline_equation" + }, + { + "bbox": [ + 226, + 322, + 259, + 347 + ], + "score": 1.0, + "content": "and set", + "type": "text" + }, + { + "bbox": [ + 259, + 327, + 326, + 342 + ], + "score": 0.93, + "content": "\\begin{array} { r } { s _ { l } : = \\prod _ { h = 1 } ^ { H _ { l } } s _ { l h } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 326, + 322, + 509, + 347 + ], + "score": 1.0, + "content": ". With these preparations, we introduce the", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 105, + 339, + 216, + 353 + ], + "spans": [ + { + "bbox": [ + 105, + 339, + 216, + 353 + ], + "score": 1.0, + "content": "main theorem of the paper.", + "type": "text" + } + ], + "index": 19 + } + ], + "index": 17 + }, + { + "type": "text", + "bbox": [ + 105, + 353, + 501, + 366 + ], + "lines": [ + { + "bbox": [ + 104, + 350, + 500, + 367 + ], + "spans": [ + { + "bbox": [ + 104, + 350, + 311, + 367 + ], + "score": 1.0, + "content": "Theorem 1. Under Assumptions 1 and 2, we have", + "type": "text" + }, + { + "bbox": [ + 311, + 353, + 418, + 365 + ], + "score": 0.88, + "content": "d _ { \\mathcal { M } } ( f _ { l } ( X ) ) \\leq s _ { l } \\lambda d _ { \\mathcal { M } } ( X )", + "type": "inline_equation" + }, + { + "bbox": [ + 418, + 350, + 450, + 367 + ], + "score": 1.0, + "content": "for any", + "type": "text" + }, + { + "bbox": [ + 451, + 352, + 500, + 364 + ], + "score": 0.88, + "content": "X \\in \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + } + ], + "index": 20 + } + ], + "index": 20 + }, + { + "type": "text", + "bbox": [ + 107, + 372, + 505, + 406 + ], + "lines": [ + { + "bbox": [ + 105, + 370, + 505, + 386 + ], + "spans": [ + { + "bbox": [ + 105, + 370, + 294, + 386 + ], + "score": 1.0, + "content": "The proof key is that the non-linear operation", + "type": "text" + }, + { + "bbox": [ + 294, + 375, + 301, + 382 + ], + "score": 0.76, + "content": "\\sigma", + "type": "inline_equation" + }, + { + "bbox": [ + 302, + 370, + 394, + 386 + ], + "score": 1.0, + "content": "decreases the distance", + "type": "text" + }, + { + "bbox": [ + 395, + 372, + 411, + 384 + ], + "score": 0.89, + "content": "d _ { \\mathcal { M } }", + "type": "inline_equation" + }, + { + "bbox": [ + 411, + 370, + 446, + 386 + ], + "score": 1.0, + "content": ", that is,", + "type": "text" + }, + { + "bbox": [ + 446, + 372, + 505, + 384 + ], + "score": 0.91, + "content": "d _ { \\mathcal { M } } ( \\sigma ( \\boldsymbol { X } ) ) \\leq", + "type": "inline_equation" + } + ], + "index": 21 + }, + { + "bbox": [ + 107, + 383, + 505, + 396 + ], + "spans": [ + { + "bbox": [ + 107, + 384, + 139, + 396 + ], + "score": 0.92, + "content": "d _ { \\mathcal { M } } ( \\boldsymbol { X } )", + "type": "inline_equation" + }, + { + "bbox": [ + 140, + 383, + 266, + 396 + ], + "score": 1.0, + "content": ". We use the non-negativity of", + "type": "text" + }, + { + "bbox": [ + 266, + 385, + 280, + 394 + ], + "score": 0.87, + "content": "e _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 280, + 383, + 505, + 396 + ], + "score": 1.0, + "content": "to prove this claim. See Appendix A for the complete", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 105, + 394, + 381, + 407 + ], + "spans": [ + { + "bbox": [ + 105, + 394, + 381, + 407 + ], + "score": 1.0, + "content": "proof. We also discuss the strictness of Theorem 1 in Appendix E.3.", + "type": "text" + } + ], + "index": 23 + } + ], + "index": 22 + }, + { + "type": "text", + "bbox": [ + 107, + 410, + 506, + 447 + ], + "lines": [ + { + "bbox": [ + 105, + 410, + 506, + 424 + ], + "spans": [ + { + "bbox": [ + 105, + 410, + 152, + 424 + ], + "score": 1.0, + "content": "By setting", + "type": "text" + }, + { + "bbox": [ + 153, + 411, + 208, + 423 + ], + "score": 0.95, + "content": "d _ { \\mathcal { M } } ( \\boldsymbol { X } ) = 0", + "type": "inline_equation" + }, + { + "bbox": [ + 209, + 410, + 320, + 424 + ], + "score": 1.0, + "content": ", this theorem implies that", + "type": "text" + }, + { + "bbox": [ + 321, + 412, + 334, + 421 + ], + "score": 0.81, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 334, + 410, + 411, + 424 + ], + "score": 1.0, + "content": "is invariant under", + "type": "text" + }, + { + "bbox": [ + 412, + 412, + 421, + 423 + ], + "score": 0.84, + "content": "f _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 421, + 410, + 506, + 424 + ], + "score": 1.0, + "content": ". In addition, if the", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 105, + 422, + 506, + 436 + ], + "spans": [ + { + "bbox": [ + 105, + 422, + 294, + 436 + ], + "score": 1.0, + "content": "maximum value of singular values are small,", + "type": "text" + }, + { + "bbox": [ + 295, + 422, + 314, + 434 + ], + "score": 0.9, + "content": "X ^ { ( l ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 314, + 422, + 427, + 436 + ], + "score": 1.0, + "content": "asymptotically approaches", + "type": "text" + }, + { + "bbox": [ + 427, + 424, + 440, + 434 + ], + "score": 0.79, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 441, + 422, + 506, + 436 + ], + "score": 1.0, + "content": "in the sense of", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 105, + 434, + 503, + 448 + ], + "spans": [ + { + "bbox": [ + 105, + 434, + 251, + 448 + ], + "score": 1.0, + "content": "Johnson (1973) for any initial value", + "type": "text" + }, + { + "bbox": [ + 251, + 434, + 272, + 446 + ], + "score": 0.9, + "content": "X ^ { ( 0 ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 272, + 434, + 503, + 448 + ], + "score": 1.0, + "content": ". That is, the followings hold under Assumptions 1 and 2.", + "type": "text" + } + ], + "index": 26 + } + ], + "index": 25 + }, + { + "type": "text", + "bbox": [ + 107, + 448, + 505, + 461 + ], + "lines": [ + { + "bbox": [ + 106, + 448, + 504, + 462 + ], + "spans": [ + { + "bbox": [ + 106, + 448, + 162, + 462 + ], + "score": 1.0, + "content": "Corollary 1.", + "type": "text" + }, + { + "bbox": [ + 162, + 449, + 175, + 459 + ], + "score": 0.71, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 176, + 448, + 289, + 462 + ], + "score": 1.0, + "content": "is invariant under fl for any", + "type": "text" + }, + { + "bbox": [ + 289, + 449, + 319, + 461 + ], + "score": 0.91, + "content": "l \\in \\mathbb { N } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 319, + 448, + 360, + 462 + ], + "score": 1.0, + "content": ", that is, if", + "type": "text" + }, + { + "bbox": [ + 360, + 449, + 394, + 460 + ], + "score": 0.89, + "content": "X \\in \\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 394, + 448, + 451, + 462 + ], + "score": 1.0, + "content": ", then we have", + "type": "text" + }, + { + "bbox": [ + 452, + 448, + 501, + 461 + ], + "score": 0.92, + "content": "f _ { l } ( X ) \\in \\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 448, + 504, + 462 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 27 + } + ], + "index": 27 + }, + { + "type": "text", + "bbox": [ + 107, + 462, + 503, + 489 + ], + "lines": [ + { + "bbox": [ + 105, + 461, + 506, + 477 + ], + "spans": [ + { + "bbox": [ + 105, + 461, + 178, + 477 + ], + "score": 1.0, + "content": "Corollary 2. Let", + "type": "text" + }, + { + "bbox": [ + 179, + 465, + 245, + 477 + ], + "score": 0.91, + "content": "s : = \\mathrm { s u p } _ { l \\in \\mathbb { N } _ { + } } s _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 245, + 461, + 287, + 477 + ], + "score": 1.0, + "content": ". We have", + "type": "text" + }, + { + "bbox": [ + 287, + 462, + 380, + 476 + ], + "score": 0.92, + "content": "d _ { \\mathcal { M } } ( X ^ { ( l ) } ) = O ( ( s \\lambda ) ^ { l } )", + "type": "inline_equation" + }, + { + "bbox": [ + 381, + 461, + 450, + 477 + ], + "score": 1.0, + "content": ". In particular, if", + "type": "text" + }, + { + "bbox": [ + 450, + 464, + 481, + 475 + ], + "score": 0.84, + "content": "s \\lambda < 1", + "type": "inline_equation" + }, + { + "bbox": [ + 481, + 461, + 506, + 477 + ], + "score": 1.0, + "content": ", then", + "type": "text" + } + ], + "index": 28 + }, + { + "bbox": [ + 106, + 476, + 388, + 490 + ], + "spans": [ + { + "bbox": [ + 106, + 478, + 119, + 489 + ], + "score": 0.85, + "content": "X _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 119, + 476, + 225, + 490 + ], + "score": 1.0, + "content": "exponentially approaches", + "type": "text" + }, + { + "bbox": [ + 225, + 478, + 238, + 488 + ], + "score": 0.76, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 238, + 476, + 250, + 490 + ], + "score": 1.0, + "content": "as", + "type": "text" + }, + { + "bbox": [ + 251, + 478, + 280, + 488 + ], + "score": 0.89, + "content": "l \\infty", + "type": "inline_equation" + }, + { + "bbox": [ + 281, + 476, + 363, + 490 + ], + "score": 1.0, + "content": "for any initial value", + "type": "text" + }, + { + "bbox": [ + 363, + 476, + 383, + 487 + ], + "score": 0.89, + "content": "X ^ { ( 0 ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 384, + 476, + 388, + 490 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 29 + } + ], + "index": 28.5 + }, + { + "type": "text", + "bbox": [ + 106, + 496, + 505, + 564 + ], + "lines": [ + { + "bbox": [ + 106, + 496, + 506, + 509 + ], + "spans": [ + { + "bbox": [ + 106, + 496, + 232, + 509 + ], + "score": 1.0, + "content": "Suppose the operator norm of", + "type": "text" + }, + { + "bbox": [ + 232, + 497, + 296, + 509 + ], + "score": 0.92, + "content": "P | _ { U } : U \\to U", + "type": "inline_equation" + }, + { + "bbox": [ + 297, + 496, + 369, + 509 + ], + "score": 1.0, + "content": "is no larger than", + "type": "text" + }, + { + "bbox": [ + 369, + 497, + 376, + 507 + ], + "score": 0.77, + "content": "\\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 376, + 496, + 506, + 509 + ], + "score": 1.0, + "content": ", then, under the assumption of", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 107, + 507, + 506, + 523 + ], + "spans": [ + { + "bbox": [ + 107, + 509, + 138, + 520 + ], + "score": 0.84, + "content": "s \\lambda < 1", + "type": "inline_equation" + }, + { + "bbox": [ + 138, + 507, + 142, + 523 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 142, + 508, + 162, + 519 + ], + "score": 0.84, + "content": "X ^ { ( l ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 162, + 507, + 506, + 523 + ], + "score": 1.0, + "content": "converges to 0, the trivial fixed point (see Appendix E.2, Proposition 3). Therefore,", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 106, + 520, + 505, + 533 + ], + "spans": [ + { + "bbox": [ + 106, + 520, + 370, + 533 + ], + "score": 1.0, + "content": "we are mainly interested in the case where the operator norm of", + "type": "text" + }, + { + "bbox": [ + 370, + 520, + 389, + 532 + ], + "score": 0.92, + "content": "P | _ { U }", + "type": "inline_equation" + }, + { + "bbox": [ + 389, + 520, + 477, + 533 + ], + "score": 1.0, + "content": "is strictly larger than", + "type": "text" + }, + { + "bbox": [ + 478, + 520, + 485, + 530 + ], + "score": 0.77, + "content": "\\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 485, + 520, + 505, + 533 + ], + "score": 1.0, + "content": "(see", + "type": "text" + } + ], + "index": 32 + }, + { + "bbox": [ + 106, + 531, + 505, + 543 + ], + "spans": [ + { + "bbox": [ + 106, + 531, + 426, + 543 + ], + "score": 1.0, + "content": "Proposition 1). Finally, we restate Theorem 1 specialized to the situation where", + "type": "text" + }, + { + "bbox": [ + 426, + 532, + 435, + 541 + ], + "score": 0.81, + "content": "U", + "type": "inline_equation" + }, + { + "bbox": [ + 436, + 531, + 505, + 543 + ], + "score": 1.0, + "content": "is the direct sum", + "type": "text" + } + ], + "index": 33 + }, + { + "bbox": [ + 106, + 542, + 506, + 555 + ], + "spans": [ + { + "bbox": [ + 106, + 542, + 278, + 555 + ], + "score": 1.0, + "content": "of eigenspaces associated with the largest", + "type": "text" + }, + { + "bbox": [ + 279, + 542, + 290, + 552 + ], + "score": 0.77, + "content": "M", + "type": "inline_equation" + }, + { + "bbox": [ + 291, + 542, + 353, + 555 + ], + "score": 1.0, + "content": "eigenvalues of", + "type": "text" + }, + { + "bbox": [ + 353, + 542, + 362, + 552 + ], + "score": 0.83, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 362, + 542, + 485, + 555 + ], + "score": 1.0, + "content": ". Note that the eigenvalues of", + "type": "text" + }, + { + "bbox": [ + 485, + 542, + 494, + 552 + ], + "score": 0.84, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 495, + 542, + 506, + 555 + ], + "score": 1.0, + "content": "is", + "type": "text" + } + ], + "index": 34 + }, + { + "bbox": [ + 105, + 552, + 213, + 566 + ], + "spans": [ + { + "bbox": [ + 105, + 552, + 147, + 566 + ], + "score": 1.0, + "content": "real since", + "type": "text" + }, + { + "bbox": [ + 147, + 554, + 156, + 563 + ], + "score": 0.82, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 156, + 552, + 213, + 566 + ], + "score": 1.0, + "content": "is symmetric.", + "type": "text" + } + ], + "index": 35 + } + ], + "index": 32.5 + }, + { + "type": "text", + "bbox": [ + 106, + 566, + 505, + 614 + ], + "lines": [ + { + "bbox": [ + 106, + 565, + 505, + 579 + ], + "spans": [ + { + "bbox": [ + 106, + 565, + 179, + 579 + ], + "score": 1.0, + "content": "Corollary 3. Let", + "type": "text" + }, + { + "bbox": [ + 180, + 567, + 245, + 578 + ], + "score": 0.89, + "content": "\\lambda _ { 1 } \\leq \\cdots \\leq \\lambda _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 246, + 565, + 331, + 579 + ], + "score": 1.0, + "content": "be the eigenvalue of", + "type": "text" + }, + { + "bbox": [ + 332, + 567, + 340, + 576 + ], + "score": 0.8, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 340, + 565, + 505, + 579 + ], + "score": 1.0, + "content": ", sorted in ascending order. Suppose the", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 105, + 576, + 506, + 591 + ], + "spans": [ + { + "bbox": [ + 105, + 576, + 257, + 591 + ], + "score": 1.0, + "content": "multiplicity of the largest eigenvalue", + "type": "text" + }, + { + "bbox": [ + 257, + 578, + 272, + 588 + ], + "score": 0.88, + "content": "\\lambda _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 272, + 576, + 283, + 591 + ], + "score": 1.0, + "content": "is", + "type": "text" + }, + { + "bbox": [ + 284, + 577, + 323, + 589 + ], + "score": 0.9, + "content": "M ( \\leq N )", + "type": "inline_equation" + }, + { + "bbox": [ + 324, + 576, + 346, + 591 + ], + "score": 1.0, + "content": ", i.e.,", + "type": "text" + }, + { + "bbox": [ + 346, + 578, + 484, + 589 + ], + "score": 0.9, + "content": "\\lambda _ { N - M } < \\lambda _ { N - M + 1 } = \\cdot \\cdot \\cdot = \\lambda _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 484, + 576, + 506, + 591 + ], + "score": 1.0, + "content": ". We", + "type": "text" + } + ], + "index": 37 + }, + { + "bbox": [ + 105, + 587, + 506, + 602 + ], + "spans": [ + { + "bbox": [ + 105, + 587, + 132, + 602 + ], + "score": 1.0, + "content": "define", + "type": "text" + }, + { + "bbox": [ + 133, + 588, + 229, + 601 + ], + "score": 0.91, + "content": "\\lambda : = \\operatorname* { m a x } _ { n \\in [ N - M ] } \\left| \\lambda _ { n } \\right|", + "type": "inline_equation" + }, + { + "bbox": [ + 229, + 587, + 276, + 602 + ], + "score": 1.0, + "content": ". We denote", + "type": "text" + }, + { + "bbox": [ + 277, + 589, + 286, + 598 + ], + "score": 0.76, + "content": "U", + "type": "inline_equation" + }, + { + "bbox": [ + 286, + 587, + 423, + 602 + ], + "score": 1.0, + "content": "by the eigenspace associated with", + "type": "text" + }, + { + "bbox": [ + 423, + 589, + 437, + 599 + ], + "score": 0.88, + "content": "\\lambda _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 437, + 587, + 506, + 602 + ], + "score": 1.0, + "content": "and assume that", + "type": "text" + } + ], + "index": 38 + }, + { + "bbox": [ + 106, + 600, + 394, + 615 + ], + "spans": [ + { + "bbox": [ + 106, + 602, + 115, + 612 + ], + "score": 0.66, + "content": "U", + "type": "inline_equation" + }, + { + "bbox": [ + 116, + 600, + 270, + 615 + ], + "score": 1.0, + "content": "satisfies Assumption 1. Then, we have", + "type": "text" + }, + { + "bbox": [ + 271, + 600, + 391, + 614 + ], + "score": 0.93, + "content": "d _ { \\mathcal { M } } ( X ^ { ( l + 1 ) } ) \\leq s _ { l } \\lambda d _ { \\mathcal { M } } ( X ^ { ( l ) } ) .", + "type": "inline_equation" + }, + { + "bbox": [ + 391, + 600, + 394, + 615 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 39 + } + ], + "index": 37.5 + }, + { + "type": "text", + "bbox": [ + 107, + 614, + 505, + 660 + ], + "lines": [ + { + "bbox": [ + 105, + 614, + 505, + 627 + ], + "spans": [ + { + "bbox": [ + 105, + 614, + 505, + 627 + ], + "score": 1.0, + "content": "Remark 1. It is known that any Markov process on finite states converges to a unique distribution", + "type": "text" + } + ], + "index": 40 + }, + { + "bbox": [ + 105, + 626, + 506, + 639 + ], + "spans": [ + { + "bbox": [ + 105, + 626, + 443, + 639 + ], + "score": 1.0, + "content": "(equilibrium) if it is irreducible and aperiodic (see e.g., Norris (1998)). Theorem", + "type": "text" + }, + { + "bbox": [ + 443, + 627, + 450, + 636 + ], + "score": 0.41, + "content": "^ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 450, + 626, + 506, + 639 + ], + "score": 1.0, + "content": "includes this", + "type": "text" + } + ], + "index": 41 + }, + { + "bbox": [ + 104, + 637, + 506, + 649 + ], + "spans": [ + { + "bbox": [ + 104, + 637, + 245, + 649 + ], + "score": 1.0, + "content": "proposition as a special case with", + "type": "text" + }, + { + "bbox": [ + 246, + 637, + 276, + 647 + ], + "score": 0.86, + "content": "M = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 277, + 637, + 281, + 649 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 281, + 637, + 309, + 647 + ], + "score": 0.87, + "content": "C = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 310, + 637, + 331, + 649 + ], + "score": 1.0, + "content": ", and", + "type": "text" + }, + { + "bbox": [ + 332, + 637, + 365, + 648 + ], + "score": 0.91, + "content": "W _ { l } = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 365, + 637, + 394, + 649 + ], + "score": 1.0, + "content": "for all", + "type": "text" + }, + { + "bbox": [ + 394, + 637, + 425, + 648 + ], + "score": 0.91, + "content": "l \\in \\mathbb { N } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 425, + 637, + 506, + 649 + ], + "score": 1.0, + "content": ". This is essentially", + "type": "text" + } + ], + "index": 42 + }, + { + "bbox": [ + 105, + 648, + 496, + 661 + ], + "spans": [ + { + "bbox": [ + 105, + 648, + 484, + 661 + ], + "score": 1.0, + "content": "the direct consequence of Perron – Frobenius’ theorem (see e.g., Meyer (2000)). See Appendix", + "type": "text" + }, + { + "bbox": [ + 485, + 649, + 492, + 658 + ], + "score": 0.64, + "content": "F", + "type": "inline_equation" + }, + { + "bbox": [ + 492, + 648, + 496, + 661 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 43 + } + ], + "index": 41.5 + }, + { + "type": "title", + "bbox": [ + 108, + 674, + 243, + 687 + ], + "lines": [ + { + "bbox": [ + 105, + 673, + 244, + 689 + ], + "spans": [ + { + "bbox": [ + 105, + 673, + 244, + 689 + ], + "score": 1.0, + "content": "4 APPLICATION TO GCN", + "type": "text" + } + ], + "index": 44 + } + ], + "index": 44 + }, + { + "type": "text", + "bbox": [ + 107, + 698, + 505, + 732 + ], + "lines": [ + { + "bbox": [ + 105, + 697, + 505, + 712 + ], + "spans": [ + { + "bbox": [ + 105, + 697, + 505, + 712 + ], + "score": 1.0, + "content": "We formulate a GCN (Kipf & Welling, 2017) without readout operations (Gilmer et al., 2017) using", + "type": "text" + } + ], + "index": 45 + }, + { + "bbox": [ + 106, + 711, + 505, + 721 + ], + "spans": [ + { + "bbox": [ + 106, + 711, + 505, + 721 + ], + "score": 1.0, + "content": "the dynamical system in the previous section and derive a sufficient condition in terms of the spectra", + "type": "text" + } + ], + "index": 46 + }, + { + "bbox": [ + 106, + 721, + 505, + 733 + ], + "spans": [ + { + "bbox": [ + 106, + 721, + 505, + 733 + ], + "score": 1.0, + "content": "of underlying graphs in which layer stacking nor non-linearity are not helpful for node classification.", + "type": "text" + } + ], + "index": 47 + } + ], + "index": 46 + } + ], + "page_idx": 3, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 107, + 27, + 293, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 302, + 751, + 308, + 759 + ], + "lines": [ + { + "bbox": [ + 302, + 750, + 310, + 762 + ], + "spans": [ + { + "bbox": [ + 302, + 750, + 310, + 762 + ], + "score": 1.0, + "content": "", + "type": "text", + "height": 12, + "width": 8 + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "text", + "bbox": [ + 106, + 82, + 505, + 119 + ], + "lines": [], + "index": 1, + "bbox_fs": [ + 104, + 80, + 506, + 121 + ], + "lines_deleted": true + }, + { + "type": "text", + "bbox": [ + 109, + 123, + 502, + 158 + ], + "lines": [ + { + "bbox": [ + 105, + 122, + 505, + 137 + ], + "spans": [ + { + "bbox": [ + 105, + 122, + 123, + 137 + ], + "score": 1.0, + "content": "For", + "type": "text" + }, + { + "bbox": [ + 124, + 124, + 162, + 135 + ], + "score": 0.91, + "content": "M \\leq N", + "type": "inline_equation" + }, + { + "bbox": [ + 162, + 122, + 180, + 137 + ], + "score": 1.0, + "content": ", let", + "type": "text" + }, + { + "bbox": [ + 180, + 124, + 189, + 134 + ], + "score": 0.8, + "content": "U", + "type": "inline_equation" + }, + { + "bbox": [ + 190, + 122, + 212, + 137 + ], + "score": 1.0, + "content": "be a", + "type": "text" + }, + { + "bbox": [ + 212, + 124, + 224, + 134 + ], + "score": 0.81, + "content": "M", + "type": "inline_equation" + }, + { + "bbox": [ + 224, + 122, + 329, + 137 + ], + "score": 1.0, + "content": "-dimensional subspace of", + "type": "text" + }, + { + "bbox": [ + 330, + 123, + 345, + 135 + ], + "score": 0.9, + "content": "\\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 345, + 122, + 420, + 137 + ], + "score": 1.0, + "content": ". We assume that", + "type": "text" + }, + { + "bbox": [ + 421, + 124, + 430, + 134 + ], + "score": 0.82, + "content": "U", + "type": "inline_equation" + }, + { + "bbox": [ + 430, + 122, + 450, + 137 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 450, + 125, + 459, + 134 + ], + "score": 0.81, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 459, + 122, + 505, + 137 + ], + "score": 1.0, + "content": "satisfy the", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 106, + 135, + 504, + 147 + ], + "spans": [ + { + "bbox": [ + 106, + 135, + 338, + 147 + ], + "score": 1.0, + "content": "following properties that generalize the situation where", + "type": "text" + }, + { + "bbox": [ + 338, + 136, + 347, + 145 + ], + "score": 0.82, + "content": "U", + "type": "inline_equation" + }, + { + "bbox": [ + 348, + 135, + 504, + 147 + ], + "score": 1.0, + "content": "is the eigenspace associated with the", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 107, + 146, + 501, + 158 + ], + "spans": [ + { + "bbox": [ + 107, + 146, + 325, + 158 + ], + "score": 1.0, + "content": "smallest eigenvalue of a (normalized) graph Laplacian", + "type": "text" + }, + { + "bbox": [ + 325, + 146, + 334, + 156 + ], + "score": 0.8, + "content": "\\Delta", + "type": "inline_equation" + }, + { + "bbox": [ + 335, + 146, + 407, + 158 + ], + "score": 1.0, + "content": "(that is, zero) and", + "type": "text" + }, + { + "bbox": [ + 407, + 147, + 416, + 156 + ], + "score": 0.83, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 417, + 146, + 492, + 158 + ], + "score": 1.0, + "content": "is a polynomial of", + "type": "text" + }, + { + "bbox": [ + 492, + 147, + 501, + 156 + ], + "score": 0.81, + "content": "\\Delta", + "type": "inline_equation" + } + ], + "index": 5 + } + ], + "index": 4, + "bbox_fs": [ + 105, + 122, + 505, + 158 + ] + }, + { + "type": "text", + "bbox": [ + 108, + 159, + 485, + 171 + ], + "lines": [ + { + "bbox": [ + 106, + 158, + 486, + 173 + ], + "spans": [ + { + "bbox": [ + 106, + 158, + 172, + 173 + ], + "score": 1.0, + "content": "Assumption 1.", + "type": "text" + }, + { + "bbox": [ + 172, + 159, + 181, + 169 + ], + "score": 0.49, + "content": "U", + "type": "inline_equation" + }, + { + "bbox": [ + 182, + 158, + 288, + 173 + ], + "score": 1.0, + "content": "has an orthonormal basis", + "type": "text" + }, + { + "bbox": [ + 288, + 159, + 334, + 172 + ], + "score": 0.93, + "content": "( e _ { m } ) _ { m \\in [ M ] }", + "type": "inline_equation" + }, + { + "bbox": [ + 334, + 158, + 486, + 173 + ], + "score": 1.0, + "content": "that consists of non-negative vectors.", + "type": "text" + } + ], + "index": 6 + } + ], + "index": 6, + "bbox_fs": [ + 106, + 158, + 486, + 173 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 172, + 382, + 184 + ], + "lines": [ + { + "bbox": [ + 106, + 172, + 383, + 185 + ], + "spans": [ + { + "bbox": [ + 106, + 172, + 172, + 185 + ], + "score": 1.0, + "content": "Assumption 2.", + "type": "text" + }, + { + "bbox": [ + 172, + 173, + 181, + 183 + ], + "score": 0.46, + "content": "U", + "type": "inline_equation" + }, + { + "bbox": [ + 182, + 172, + 256, + 185 + ], + "score": 1.0, + "content": "is invariant under", + "type": "text" + }, + { + "bbox": [ + 256, + 173, + 265, + 183 + ], + "score": 0.71, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 265, + 172, + 294, + 185 + ], + "score": 1.0, + "content": ", i.e., if", + "type": "text" + }, + { + "bbox": [ + 294, + 173, + 321, + 184 + ], + "score": 0.81, + "content": "u \\in U", + "type": "inline_equation" + }, + { + "bbox": [ + 321, + 172, + 344, + 185 + ], + "score": 1.0, + "content": ", then", + "type": "text" + }, + { + "bbox": [ + 345, + 173, + 379, + 183 + ], + "score": 0.9, + "content": "P u \\in U", + "type": "inline_equation" + }, + { + "bbox": [ + 379, + 172, + 383, + 185 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 7 + } + ], + "index": 7, + "bbox_fs": [ + 106, + 172, + 383, + 185 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 191, + 505, + 258 + ], + "lines": [ + { + "bbox": [ + 105, + 189, + 505, + 204 + ], + "spans": [ + { + "bbox": [ + 105, + 189, + 150, + 204 + ], + "score": 1.0, + "content": "We endow", + "type": "text" + }, + { + "bbox": [ + 150, + 191, + 166, + 202 + ], + "score": 0.88, + "content": "\\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 166, + 189, + 453, + 204 + ], + "score": 1.0, + "content": "with the ordinal inner product and denote the orthogonal complement of", + "type": "text" + }, + { + "bbox": [ + 453, + 192, + 462, + 202 + ], + "score": 0.81, + "content": "U", + "type": "inline_equation" + }, + { + "bbox": [ + 462, + 189, + 474, + 204 + ], + "score": 1.0, + "content": "by", + "type": "text" + }, + { + "bbox": [ + 475, + 191, + 505, + 203 + ], + "score": 0.86, + "content": "U ^ { \\perp } : =", + "type": "inline_equation" + } + ], + "index": 8 + }, + { + "bbox": [ + 107, + 200, + 506, + 216 + ], + "spans": [ + { + "bbox": [ + 107, + 202, + 240, + 215 + ], + "score": 0.88, + "content": "\\{ u \\in \\mathbb { R } ^ { N } \\mid \\langle u , v \\rangle = 0 , \\forall v \\in U \\}", + "type": "inline_equation" + }, + { + "bbox": [ + 241, + 200, + 329, + 216 + ], + "score": 1.0, + "content": ". By the symmetry of", + "type": "text" + }, + { + "bbox": [ + 330, + 203, + 338, + 213 + ], + "score": 0.83, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 339, + 200, + 415, + 216 + ], + "score": 1.0, + "content": ", we can show that", + "type": "text" + }, + { + "bbox": [ + 415, + 202, + 431, + 213 + ], + "score": 0.89, + "content": "U ^ { \\perp }", + "type": "inline_equation" + }, + { + "bbox": [ + 432, + 200, + 506, + 216 + ], + "score": 1.0, + "content": "is invariant under", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 107, + 212, + 505, + 227 + ], + "spans": [ + { + "bbox": [ + 107, + 214, + 115, + 223 + ], + "score": 0.8, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 116, + 212, + 376, + 227 + ], + "score": 1.0, + "content": ", too (Appendix E.1, Proposition 2). Therefore, we can regard", + "type": "text" + }, + { + "bbox": [ + 376, + 214, + 385, + 223 + ], + "score": 0.83, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 386, + 212, + 471, + 227 + ], + "score": 1.0, + "content": "as a linear mapping", + "type": "text" + }, + { + "bbox": [ + 472, + 213, + 505, + 226 + ], + "score": 0.72, + "content": "P | _ { U ^ { \\perp } } :", + "type": "inline_equation" + } + ], + "index": 10 + }, + { + "bbox": [ + 107, + 222, + 506, + 237 + ], + "spans": [ + { + "bbox": [ + 107, + 224, + 155, + 235 + ], + "score": 0.91, + "content": "U ^ { \\perp } \\to U ^ { \\perp }", + "type": "inline_equation" + }, + { + "bbox": [ + 156, + 222, + 297, + 237 + ], + "score": 1.0, + "content": ". We denote the operator norm of", + "type": "text" + }, + { + "bbox": [ + 297, + 225, + 321, + 236 + ], + "score": 0.91, + "content": "P | _ { U ^ { \\perp } }", + "type": "inline_equation" + }, + { + "bbox": [ + 321, + 222, + 336, + 237 + ], + "score": 1.0, + "content": "by", + "type": "text" + }, + { + "bbox": [ + 337, + 225, + 344, + 235 + ], + "score": 0.78, + "content": "\\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 344, + 222, + 378, + 237 + ], + "score": 1.0, + "content": ". When", + "type": "text" + }, + { + "bbox": [ + 378, + 225, + 387, + 235 + ], + "score": 0.81, + "content": "U", + "type": "inline_equation" + }, + { + "bbox": [ + 387, + 222, + 506, + 237 + ], + "score": 1.0, + "content": "is the eigenspace associated", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 105, + 234, + 506, + 248 + ], + "spans": [ + { + "bbox": [ + 105, + 234, + 235, + 248 + ], + "score": 1.0, + "content": "with the smallest eigenvalue of", + "type": "text" + }, + { + "bbox": [ + 235, + 236, + 245, + 245 + ], + "score": 0.83, + "content": "\\Delta", + "type": "inline_equation" + }, + { + "bbox": [ + 245, + 234, + 263, + 248 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 264, + 236, + 273, + 245 + ], + "score": 0.83, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 273, + 234, + 284, + 248 + ], + "score": 1.0, + "content": "is", + "type": "text" + }, + { + "bbox": [ + 284, + 236, + 306, + 248 + ], + "score": 0.92, + "content": "g ( \\Delta )", + "type": "inline_equation" + }, + { + "bbox": [ + 307, + 234, + 335, + 248 + ], + "score": 1.0, + "content": "where", + "type": "text" + }, + { + "bbox": [ + 335, + 237, + 342, + 247 + ], + "score": 0.81, + "content": "g", + "type": "inline_equation" + }, + { + "bbox": [ + 343, + 234, + 434, + 248 + ], + "score": 1.0, + "content": "is a polynomial, then,", + "type": "text" + }, + { + "bbox": [ + 435, + 236, + 442, + 245 + ], + "score": 0.76, + "content": "\\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 442, + 234, + 506, + 248 + ], + "score": 1.0, + "content": "corresponds to", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 107, + 245, + 427, + 260 + ], + "spans": [ + { + "bbox": [ + 107, + 246, + 173, + 260 + ], + "score": 0.93, + "content": "\\begin{array} { r } { \\lambda = \\operatorname* { s u p } _ { \\mu } \\left| g ( \\mu ) \\right| } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 173, + 245, + 427, + 260 + ], + "score": 1.0, + "content": "where sup ranges over all eigenvalues except the smallest one.", + "type": "text" + } + ], + "index": 13 + } + ], + "index": 10.5, + "bbox_fs": [ + 105, + 189, + 506, + 260 + ] + }, + { + "type": "title", + "bbox": [ + 107, + 270, + 193, + 282 + ], + "lines": [ + { + "bbox": [ + 106, + 270, + 194, + 283 + ], + "spans": [ + { + "bbox": [ + 106, + 270, + 194, + 283 + ], + "score": 1.0, + "content": "3.3 MAIN RESULT", + "type": "text" + } + ], + "index": 14 + } + ], + "index": 14 + }, + { + "type": "text", + "bbox": [ + 107, + 289, + 505, + 352 + ], + "lines": [ + { + "bbox": [ + 154, + 281, + 511, + 317 + ], + "spans": [ + { + "bbox": [ + 154, + 281, + 202, + 317 + ], + "score": 1.0, + "content": "he subspace is the ortho", + "type": "text" + }, + { + "bbox": [ + 203, + 291, + 216, + 302 + ], + "score": 0.81, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 216, + 281, + 228, + 317 + ], + "score": 1.0, + "content": "of ma", + "type": "text" + }, + { + "bbox": [ + 228, + 290, + 256, + 301 + ], + "score": 0.9, + "content": "\\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 256, + 281, + 266, + 317 + ], + "score": 1.0, + "content": "b of", + "type": "text" + }, + { + "bbox": [ + 270, + 289, + 477, + 304 + ], + "score": 0.88, + "content": "\\begin{array} { r } { \\mathcal { M } : = U \\otimes \\mathbb { R } ^ { C } = \\{ \\sum _ { m = 1 } ^ { M } e _ { m } \\otimes w _ { m } \\mid w _ { m } \\in \\mathbb { R } ^ { C } \\} } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 478, + 281, + 511, + 317 + ], + "score": 1.0, + "content": "wheredenote", + "type": "text" + } + ], + "index": 15 + }, + { + "bbox": [ + 107, + 303, + 457, + 317 + ], + "spans": [ + { + "bbox": [ + 107, + 303, + 153, + 317 + ], + "score": 0.92, + "content": "( e _ { m } ) _ { m \\in [ M ] }", + "type": "inline_equation" + }, + { + "bbox": [ + 266, + 304, + 275, + 314 + ], + "score": 0.81, + "content": "U", + "type": "inline_equation" + }, + { + "bbox": [ + 406, + 303, + 457, + 314 + ], + "score": 0.9, + "content": "X \\in \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + } + ], + "index": 16 + }, + { + "bbox": [ + 105, + 315, + 505, + 329 + ], + "spans": [ + { + "bbox": [ + 105, + 315, + 191, + 329 + ], + "score": 1.0, + "content": "the distance between", + "type": "text" + }, + { + "bbox": [ + 191, + 316, + 201, + 326 + ], + "score": 0.83, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 202, + 315, + 219, + 329 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 219, + 316, + 232, + 326 + ], + "score": 0.83, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 232, + 315, + 245, + 329 + ], + "score": 1.0, + "content": "by", + "type": "text" + }, + { + "bbox": [ + 245, + 315, + 399, + 328 + ], + "score": 0.9, + "content": "d _ { \\mathcal { M } } ( X ) : = \\operatorname* { i n f } \\left\\{ \\| X - Y \\| _ { \\mathrm { F } } \\mid Y \\in \\mathcal { M } \\right\\}", + "type": "inline_equation" + }, + { + "bbox": [ + 400, + 315, + 505, + 329 + ], + "score": 1.0, + "content": ". We denote the maximum", + "type": "text" + } + ], + "index": 17 + }, + { + "bbox": [ + 102, + 322, + 509, + 347 + ], + "spans": [ + { + "bbox": [ + 102, + 322, + 178, + 347 + ], + "score": 1.0, + "content": "singular value of", + "type": "text" + }, + { + "bbox": [ + 178, + 329, + 196, + 340 + ], + "score": 0.9, + "content": "W _ { l h }", + "type": "inline_equation" + }, + { + "bbox": [ + 197, + 322, + 211, + 347 + ], + "score": 1.0, + "content": "by", + "type": "text" + }, + { + "bbox": [ + 212, + 331, + 225, + 340 + ], + "score": 0.85, + "content": "s _ { l h }", + "type": "inline_equation" + }, + { + "bbox": [ + 226, + 322, + 259, + 347 + ], + "score": 1.0, + "content": "and set", + "type": "text" + }, + { + "bbox": [ + 259, + 327, + 326, + 342 + ], + "score": 0.93, + "content": "\\begin{array} { r } { s _ { l } : = \\prod _ { h = 1 } ^ { H _ { l } } s _ { l h } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 326, + 322, + 509, + 347 + ], + "score": 1.0, + "content": ". With these preparations, we introduce the", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 105, + 339, + 216, + 353 + ], + "spans": [ + { + "bbox": [ + 105, + 339, + 216, + 353 + ], + "score": 1.0, + "content": "main theorem of the paper.", + "type": "text" + } + ], + "index": 19 + } + ], + "index": 17, + "bbox_fs": [ + 102, + 281, + 511, + 353 + ] + }, + { + "type": "text", + "bbox": [ + 105, + 353, + 501, + 366 + ], + "lines": [ + { + "bbox": [ + 104, + 350, + 500, + 367 + ], + "spans": [ + { + "bbox": [ + 104, + 350, + 311, + 367 + ], + "score": 1.0, + "content": "Theorem 1. Under Assumptions 1 and 2, we have", + "type": "text" + }, + { + "bbox": [ + 311, + 353, + 418, + 365 + ], + "score": 0.88, + "content": "d _ { \\mathcal { M } } ( f _ { l } ( X ) ) \\leq s _ { l } \\lambda d _ { \\mathcal { M } } ( X )", + "type": "inline_equation" + }, + { + "bbox": [ + 418, + 350, + 450, + 367 + ], + "score": 1.0, + "content": "for any", + "type": "text" + }, + { + "bbox": [ + 451, + 352, + 500, + 364 + ], + "score": 0.88, + "content": "X \\in \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + } + ], + "index": 20 + } + ], + "index": 20, + "bbox_fs": [ + 104, + 350, + 500, + 367 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 372, + 505, + 406 + ], + "lines": [ + { + "bbox": [ + 105, + 370, + 505, + 386 + ], + "spans": [ + { + "bbox": [ + 105, + 370, + 294, + 386 + ], + "score": 1.0, + "content": "The proof key is that the non-linear operation", + "type": "text" + }, + { + "bbox": [ + 294, + 375, + 301, + 382 + ], + "score": 0.76, + "content": "\\sigma", + "type": "inline_equation" + }, + { + "bbox": [ + 302, + 370, + 394, + 386 + ], + "score": 1.0, + "content": "decreases the distance", + "type": "text" + }, + { + "bbox": [ + 395, + 372, + 411, + 384 + ], + "score": 0.89, + "content": "d _ { \\mathcal { M } }", + "type": "inline_equation" + }, + { + "bbox": [ + 411, + 370, + 446, + 386 + ], + "score": 1.0, + "content": ", that is,", + "type": "text" + }, + { + "bbox": [ + 446, + 372, + 505, + 384 + ], + "score": 0.91, + "content": "d _ { \\mathcal { M } } ( \\sigma ( \\boldsymbol { X } ) ) \\leq", + "type": "inline_equation" + } + ], + "index": 21 + }, + { + "bbox": [ + 107, + 383, + 505, + 396 + ], + "spans": [ + { + "bbox": [ + 107, + 384, + 139, + 396 + ], + "score": 0.92, + "content": "d _ { \\mathcal { M } } ( \\boldsymbol { X } )", + "type": "inline_equation" + }, + { + "bbox": [ + 140, + 383, + 266, + 396 + ], + "score": 1.0, + "content": ". We use the non-negativity of", + "type": "text" + }, + { + "bbox": [ + 266, + 385, + 280, + 394 + ], + "score": 0.87, + "content": "e _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 280, + 383, + 505, + 396 + ], + "score": 1.0, + "content": "to prove this claim. See Appendix A for the complete", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 105, + 394, + 381, + 407 + ], + "spans": [ + { + "bbox": [ + 105, + 394, + 381, + 407 + ], + "score": 1.0, + "content": "proof. We also discuss the strictness of Theorem 1 in Appendix E.3.", + "type": "text" + } + ], + "index": 23 + } + ], + "index": 22, + "bbox_fs": [ + 105, + 370, + 505, + 407 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 410, + 506, + 447 + ], + "lines": [ + { + "bbox": [ + 105, + 410, + 506, + 424 + ], + "spans": [ + { + "bbox": [ + 105, + 410, + 152, + 424 + ], + "score": 1.0, + "content": "By setting", + "type": "text" + }, + { + "bbox": [ + 153, + 411, + 208, + 423 + ], + "score": 0.95, + "content": "d _ { \\mathcal { M } } ( \\boldsymbol { X } ) = 0", + "type": "inline_equation" + }, + { + "bbox": [ + 209, + 410, + 320, + 424 + ], + "score": 1.0, + "content": ", this theorem implies that", + "type": "text" + }, + { + "bbox": [ + 321, + 412, + 334, + 421 + ], + "score": 0.81, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 334, + 410, + 411, + 424 + ], + "score": 1.0, + "content": "is invariant under", + "type": "text" + }, + { + "bbox": [ + 412, + 412, + 421, + 423 + ], + "score": 0.84, + "content": "f _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 421, + 410, + 506, + 424 + ], + "score": 1.0, + "content": ". In addition, if the", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 105, + 422, + 506, + 436 + ], + "spans": [ + { + "bbox": [ + 105, + 422, + 294, + 436 + ], + "score": 1.0, + "content": "maximum value of singular values are small,", + "type": "text" + }, + { + "bbox": [ + 295, + 422, + 314, + 434 + ], + "score": 0.9, + "content": "X ^ { ( l ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 314, + 422, + 427, + 436 + ], + "score": 1.0, + "content": "asymptotically approaches", + "type": "text" + }, + { + "bbox": [ + 427, + 424, + 440, + 434 + ], + "score": 0.79, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 441, + 422, + 506, + 436 + ], + "score": 1.0, + "content": "in the sense of", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 105, + 434, + 503, + 448 + ], + "spans": [ + { + "bbox": [ + 105, + 434, + 251, + 448 + ], + "score": 1.0, + "content": "Johnson (1973) for any initial value", + "type": "text" + }, + { + "bbox": [ + 251, + 434, + 272, + 446 + ], + "score": 0.9, + "content": "X ^ { ( 0 ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 272, + 434, + 503, + 448 + ], + "score": 1.0, + "content": ". That is, the followings hold under Assumptions 1 and 2.", + "type": "text" + } + ], + "index": 26 + } + ], + "index": 25, + "bbox_fs": [ + 105, + 410, + 506, + 448 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 448, + 505, + 461 + ], + "lines": [ + { + "bbox": [ + 106, + 448, + 504, + 462 + ], + "spans": [ + { + "bbox": [ + 106, + 448, + 162, + 462 + ], + "score": 1.0, + "content": "Corollary 1.", + "type": "text" + }, + { + "bbox": [ + 162, + 449, + 175, + 459 + ], + "score": 0.71, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 176, + 448, + 289, + 462 + ], + "score": 1.0, + "content": "is invariant under fl for any", + "type": "text" + }, + { + "bbox": [ + 289, + 449, + 319, + 461 + ], + "score": 0.91, + "content": "l \\in \\mathbb { N } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 319, + 448, + 360, + 462 + ], + "score": 1.0, + "content": ", that is, if", + "type": "text" + }, + { + "bbox": [ + 360, + 449, + 394, + 460 + ], + "score": 0.89, + "content": "X \\in \\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 394, + 448, + 451, + 462 + ], + "score": 1.0, + "content": ", then we have", + "type": "text" + }, + { + "bbox": [ + 452, + 448, + 501, + 461 + ], + "score": 0.92, + "content": "f _ { l } ( X ) \\in \\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 448, + 504, + 462 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 27 + } + ], + "index": 27, + "bbox_fs": [ + 106, + 448, + 504, + 462 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 462, + 503, + 489 + ], + "lines": [ + { + "bbox": [ + 105, + 461, + 506, + 477 + ], + "spans": [ + { + "bbox": [ + 105, + 461, + 178, + 477 + ], + "score": 1.0, + "content": "Corollary 2. Let", + "type": "text" + }, + { + "bbox": [ + 179, + 465, + 245, + 477 + ], + "score": 0.91, + "content": "s : = \\mathrm { s u p } _ { l \\in \\mathbb { N } _ { + } } s _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 245, + 461, + 287, + 477 + ], + "score": 1.0, + "content": ". We have", + "type": "text" + }, + { + "bbox": [ + 287, + 462, + 380, + 476 + ], + "score": 0.92, + "content": "d _ { \\mathcal { M } } ( X ^ { ( l ) } ) = O ( ( s \\lambda ) ^ { l } )", + "type": "inline_equation" + }, + { + "bbox": [ + 381, + 461, + 450, + 477 + ], + "score": 1.0, + "content": ". In particular, if", + "type": "text" + }, + { + "bbox": [ + 450, + 464, + 481, + 475 + ], + "score": 0.84, + "content": "s \\lambda < 1", + "type": "inline_equation" + }, + { + "bbox": [ + 481, + 461, + 506, + 477 + ], + "score": 1.0, + "content": ", then", + "type": "text" + } + ], + "index": 28 + }, + { + "bbox": [ + 106, + 476, + 388, + 490 + ], + "spans": [ + { + "bbox": [ + 106, + 478, + 119, + 489 + ], + "score": 0.85, + "content": "X _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 119, + 476, + 225, + 490 + ], + "score": 1.0, + "content": "exponentially approaches", + "type": "text" + }, + { + "bbox": [ + 225, + 478, + 238, + 488 + ], + "score": 0.76, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 238, + 476, + 250, + 490 + ], + "score": 1.0, + "content": "as", + "type": "text" + }, + { + "bbox": [ + 251, + 478, + 280, + 488 + ], + "score": 0.89, + "content": "l \\infty", + "type": "inline_equation" + }, + { + "bbox": [ + 281, + 476, + 363, + 490 + ], + "score": 1.0, + "content": "for any initial value", + "type": "text" + }, + { + "bbox": [ + 363, + 476, + 383, + 487 + ], + "score": 0.89, + "content": "X ^ { ( 0 ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 384, + 476, + 388, + 490 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 29 + } + ], + "index": 28.5, + "bbox_fs": [ + 105, + 461, + 506, + 490 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 496, + 505, + 564 + ], + "lines": [ + { + "bbox": [ + 106, + 496, + 506, + 509 + ], + "spans": [ + { + "bbox": [ + 106, + 496, + 232, + 509 + ], + "score": 1.0, + "content": "Suppose the operator norm of", + "type": "text" + }, + { + "bbox": [ + 232, + 497, + 296, + 509 + ], + "score": 0.92, + "content": "P | _ { U } : U \\to U", + "type": "inline_equation" + }, + { + "bbox": [ + 297, + 496, + 369, + 509 + ], + "score": 1.0, + "content": "is no larger than", + "type": "text" + }, + { + "bbox": [ + 369, + 497, + 376, + 507 + ], + "score": 0.77, + "content": "\\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 376, + 496, + 506, + 509 + ], + "score": 1.0, + "content": ", then, under the assumption of", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 107, + 507, + 506, + 523 + ], + "spans": [ + { + "bbox": [ + 107, + 509, + 138, + 520 + ], + "score": 0.84, + "content": "s \\lambda < 1", + "type": "inline_equation" + }, + { + "bbox": [ + 138, + 507, + 142, + 523 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 142, + 508, + 162, + 519 + ], + "score": 0.84, + "content": "X ^ { ( l ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 162, + 507, + 506, + 523 + ], + "score": 1.0, + "content": "converges to 0, the trivial fixed point (see Appendix E.2, Proposition 3). Therefore,", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 106, + 520, + 505, + 533 + ], + "spans": [ + { + "bbox": [ + 106, + 520, + 370, + 533 + ], + "score": 1.0, + "content": "we are mainly interested in the case where the operator norm of", + "type": "text" + }, + { + "bbox": [ + 370, + 520, + 389, + 532 + ], + "score": 0.92, + "content": "P | _ { U }", + "type": "inline_equation" + }, + { + "bbox": [ + 389, + 520, + 477, + 533 + ], + "score": 1.0, + "content": "is strictly larger than", + "type": "text" + }, + { + "bbox": [ + 478, + 520, + 485, + 530 + ], + "score": 0.77, + "content": "\\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 485, + 520, + 505, + 533 + ], + "score": 1.0, + "content": "(see", + "type": "text" + } + ], + "index": 32 + }, + { + "bbox": [ + 106, + 531, + 505, + 543 + ], + "spans": [ + { + "bbox": [ + 106, + 531, + 426, + 543 + ], + "score": 1.0, + "content": "Proposition 1). Finally, we restate Theorem 1 specialized to the situation where", + "type": "text" + }, + { + "bbox": [ + 426, + 532, + 435, + 541 + ], + "score": 0.81, + "content": "U", + "type": "inline_equation" + }, + { + "bbox": [ + 436, + 531, + 505, + 543 + ], + "score": 1.0, + "content": "is the direct sum", + "type": "text" + } + ], + "index": 33 + }, + { + "bbox": [ + 106, + 542, + 506, + 555 + ], + "spans": [ + { + "bbox": [ + 106, + 542, + 278, + 555 + ], + "score": 1.0, + "content": "of eigenspaces associated with the largest", + "type": "text" + }, + { + "bbox": [ + 279, + 542, + 290, + 552 + ], + "score": 0.77, + "content": "M", + "type": "inline_equation" + }, + { + "bbox": [ + 291, + 542, + 353, + 555 + ], + "score": 1.0, + "content": "eigenvalues of", + "type": "text" + }, + { + "bbox": [ + 353, + 542, + 362, + 552 + ], + "score": 0.83, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 362, + 542, + 485, + 555 + ], + "score": 1.0, + "content": ". Note that the eigenvalues of", + "type": "text" + }, + { + "bbox": [ + 485, + 542, + 494, + 552 + ], + "score": 0.84, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 495, + 542, + 506, + 555 + ], + "score": 1.0, + "content": "is", + "type": "text" + } + ], + "index": 34 + }, + { + "bbox": [ + 105, + 552, + 213, + 566 + ], + "spans": [ + { + "bbox": [ + 105, + 552, + 147, + 566 + ], + "score": 1.0, + "content": "real since", + "type": "text" + }, + { + "bbox": [ + 147, + 554, + 156, + 563 + ], + "score": 0.82, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 156, + 552, + 213, + 566 + ], + "score": 1.0, + "content": "is symmetric.", + "type": "text" + } + ], + "index": 35 + } + ], + "index": 32.5, + "bbox_fs": [ + 105, + 496, + 506, + 566 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 566, + 505, + 614 + ], + "lines": [ + { + "bbox": [ + 106, + 565, + 505, + 579 + ], + "spans": [ + { + "bbox": [ + 106, + 565, + 179, + 579 + ], + "score": 1.0, + "content": "Corollary 3. Let", + "type": "text" + }, + { + "bbox": [ + 180, + 567, + 245, + 578 + ], + "score": 0.89, + "content": "\\lambda _ { 1 } \\leq \\cdots \\leq \\lambda _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 246, + 565, + 331, + 579 + ], + "score": 1.0, + "content": "be the eigenvalue of", + "type": "text" + }, + { + "bbox": [ + 332, + 567, + 340, + 576 + ], + "score": 0.8, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 340, + 565, + 505, + 579 + ], + "score": 1.0, + "content": ", sorted in ascending order. Suppose the", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 105, + 576, + 506, + 591 + ], + "spans": [ + { + "bbox": [ + 105, + 576, + 257, + 591 + ], + "score": 1.0, + "content": "multiplicity of the largest eigenvalue", + "type": "text" + }, + { + "bbox": [ + 257, + 578, + 272, + 588 + ], + "score": 0.88, + "content": "\\lambda _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 272, + 576, + 283, + 591 + ], + "score": 1.0, + "content": "is", + "type": "text" + }, + { + "bbox": [ + 284, + 577, + 323, + 589 + ], + "score": 0.9, + "content": "M ( \\leq N )", + "type": "inline_equation" + }, + { + "bbox": [ + 324, + 576, + 346, + 591 + ], + "score": 1.0, + "content": ", i.e.,", + "type": "text" + }, + { + "bbox": [ + 346, + 578, + 484, + 589 + ], + "score": 0.9, + "content": "\\lambda _ { N - M } < \\lambda _ { N - M + 1 } = \\cdot \\cdot \\cdot = \\lambda _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 484, + 576, + 506, + 591 + ], + "score": 1.0, + "content": ". We", + "type": "text" + } + ], + "index": 37 + }, + { + "bbox": [ + 105, + 587, + 506, + 602 + ], + "spans": [ + { + "bbox": [ + 105, + 587, + 132, + 602 + ], + "score": 1.0, + "content": "define", + "type": "text" + }, + { + "bbox": [ + 133, + 588, + 229, + 601 + ], + "score": 0.91, + "content": "\\lambda : = \\operatorname* { m a x } _ { n \\in [ N - M ] } \\left| \\lambda _ { n } \\right|", + "type": "inline_equation" + }, + { + "bbox": [ + 229, + 587, + 276, + 602 + ], + "score": 1.0, + "content": ". We denote", + "type": "text" + }, + { + "bbox": [ + 277, + 589, + 286, + 598 + ], + "score": 0.76, + "content": "U", + "type": "inline_equation" + }, + { + "bbox": [ + 286, + 587, + 423, + 602 + ], + "score": 1.0, + "content": "by the eigenspace associated with", + "type": "text" + }, + { + "bbox": [ + 423, + 589, + 437, + 599 + ], + "score": 0.88, + "content": "\\lambda _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 437, + 587, + 506, + 602 + ], + "score": 1.0, + "content": "and assume that", + "type": "text" + } + ], + "index": 38 + }, + { + "bbox": [ + 106, + 600, + 394, + 615 + ], + "spans": [ + { + "bbox": [ + 106, + 602, + 115, + 612 + ], + "score": 0.66, + "content": "U", + "type": "inline_equation" + }, + { + "bbox": [ + 116, + 600, + 270, + 615 + ], + "score": 1.0, + "content": "satisfies Assumption 1. Then, we have", + "type": "text" + }, + { + "bbox": [ + 271, + 600, + 391, + 614 + ], + "score": 0.93, + "content": "d _ { \\mathcal { M } } ( X ^ { ( l + 1 ) } ) \\leq s _ { l } \\lambda d _ { \\mathcal { M } } ( X ^ { ( l ) } ) .", + "type": "inline_equation" + }, + { + "bbox": [ + 391, + 600, + 394, + 615 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 39 + } + ], + "index": 37.5, + "bbox_fs": [ + 105, + 565, + 506, + 615 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 614, + 505, + 660 + ], + "lines": [ + { + "bbox": [ + 105, + 614, + 505, + 627 + ], + "spans": [ + { + "bbox": [ + 105, + 614, + 505, + 627 + ], + "score": 1.0, + "content": "Remark 1. It is known that any Markov process on finite states converges to a unique distribution", + "type": "text" + } + ], + "index": 40 + }, + { + "bbox": [ + 105, + 626, + 506, + 639 + ], + "spans": [ + { + "bbox": [ + 105, + 626, + 443, + 639 + ], + "score": 1.0, + "content": "(equilibrium) if it is irreducible and aperiodic (see e.g., Norris (1998)). Theorem", + "type": "text" + }, + { + "bbox": [ + 443, + 627, + 450, + 636 + ], + "score": 0.41, + "content": "^ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 450, + 626, + 506, + 639 + ], + "score": 1.0, + "content": "includes this", + "type": "text" + } + ], + "index": 41 + }, + { + "bbox": [ + 104, + 637, + 506, + 649 + ], + "spans": [ + { + "bbox": [ + 104, + 637, + 245, + 649 + ], + "score": 1.0, + "content": "proposition as a special case with", + "type": "text" + }, + { + "bbox": [ + 246, + 637, + 276, + 647 + ], + "score": 0.86, + "content": "M = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 277, + 637, + 281, + 649 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 281, + 637, + 309, + 647 + ], + "score": 0.87, + "content": "C = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 310, + 637, + 331, + 649 + ], + "score": 1.0, + "content": ", and", + "type": "text" + }, + { + "bbox": [ + 332, + 637, + 365, + 648 + ], + "score": 0.91, + "content": "W _ { l } = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 365, + 637, + 394, + 649 + ], + "score": 1.0, + "content": "for all", + "type": "text" + }, + { + "bbox": [ + 394, + 637, + 425, + 648 + ], + "score": 0.91, + "content": "l \\in \\mathbb { N } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 425, + 637, + 506, + 649 + ], + "score": 1.0, + "content": ". This is essentially", + "type": "text" + } + ], + "index": 42 + }, + { + "bbox": [ + 105, + 648, + 496, + 661 + ], + "spans": [ + { + "bbox": [ + 105, + 648, + 484, + 661 + ], + "score": 1.0, + "content": "the direct consequence of Perron – Frobenius’ theorem (see e.g., Meyer (2000)). See Appendix", + "type": "text" + }, + { + "bbox": [ + 485, + 649, + 492, + 658 + ], + "score": 0.64, + "content": "F", + "type": "inline_equation" + }, + { + "bbox": [ + 492, + 648, + 496, + 661 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 43 + } + ], + "index": 41.5, + "bbox_fs": [ + 104, + 614, + 506, + 661 + ] + }, + { + "type": "title", + "bbox": [ + 108, + 674, + 243, + 687 + ], + "lines": [ + { + "bbox": [ + 105, + 673, + 244, + 689 + ], + "spans": [ + { + "bbox": [ + 105, + 673, + 244, + 689 + ], + "score": 1.0, + "content": "4 APPLICATION TO GCN", + "type": "text" + } + ], + "index": 44 + } + ], + "index": 44 + }, + { + "type": "text", + "bbox": [ + 107, + 698, + 505, + 732 + ], + "lines": [ + { + "bbox": [ + 105, + 697, + 505, + 712 + ], + "spans": [ + { + "bbox": [ + 105, + 697, + 505, + 712 + ], + "score": 1.0, + "content": "We formulate a GCN (Kipf & Welling, 2017) without readout operations (Gilmer et al., 2017) using", + "type": "text" + } + ], + "index": 45 + }, + { + "bbox": [ + 106, + 711, + 505, + 721 + ], + "spans": [ + { + "bbox": [ + 106, + 711, + 505, + 721 + ], + "score": 1.0, + "content": "the dynamical system in the previous section and derive a sufficient condition in terms of the spectra", + "type": "text" + } + ], + "index": 46 + }, + { + "bbox": [ + 106, + 721, + 505, + 733 + ], + "spans": [ + { + "bbox": [ + 106, + 721, + 505, + 733 + ], + "score": 1.0, + "content": "of underlying graphs in which layer stacking nor non-linearity are not helpful for node classification.", + "type": "text" + } + ], + "index": 47 + } + ], + "index": 46, + "bbox_fs": [ + 105, + 697, + 505, + 733 + ] + } + ] + }, + { + "preproc_blocks": [ + { + "type": "text", + "bbox": [ + 107, + 82, + 505, + 127 + ], + "lines": [ + { + "bbox": [ + 105, + 82, + 505, + 95 + ], + "spans": [ + { + "bbox": [ + 105, + 83, + 122, + 95 + ], + "score": 1.0, + "content": "Let", + "type": "text" + }, + { + "bbox": [ + 122, + 82, + 171, + 95 + ], + "score": 0.93, + "content": "G = ( V , E )", + "type": "inline_equation" + }, + { + "bbox": [ + 171, + 83, + 291, + 95 + ], + "score": 1.0, + "content": "be an undirected graph where", + "type": "text" + }, + { + "bbox": [ + 291, + 83, + 300, + 92 + ], + "score": 0.79, + "content": "V", + "type": "inline_equation" + }, + { + "bbox": [ + 301, + 83, + 383, + 95 + ], + "score": 1.0, + "content": "is a set of nodes and", + "type": "text" + }, + { + "bbox": [ + 383, + 83, + 392, + 92 + ], + "score": 0.82, + "content": "E", + "type": "inline_equation" + }, + { + "bbox": [ + 393, + 83, + 505, + 95 + ], + "score": 1.0, + "content": "is a set of edges. We denote", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 105, + 93, + 506, + 106 + ], + "spans": [ + { + "bbox": [ + 105, + 93, + 199, + 106 + ], + "score": 1.0, + "content": "the number of nodes in", + "type": "text" + }, + { + "bbox": [ + 199, + 94, + 208, + 104 + ], + "score": 0.79, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 209, + 93, + 221, + 106 + ], + "score": 1.0, + "content": "by", + "type": "text" + }, + { + "bbox": [ + 221, + 94, + 258, + 105 + ], + "score": 0.92, + "content": "N = | V |", + "type": "inline_equation" + }, + { + "bbox": [ + 258, + 93, + 308, + 106 + ], + "score": 1.0, + "content": "and identify", + "type": "text" + }, + { + "bbox": [ + 309, + 94, + 318, + 104 + ], + "score": 0.74, + "content": "V", + "type": "inline_equation" + }, + { + "bbox": [ + 318, + 93, + 339, + 106 + ], + "score": 1.0, + "content": "with", + "type": "text" + }, + { + "bbox": [ + 339, + 93, + 354, + 106 + ], + "score": 0.91, + "content": "[ N ]", + "type": "inline_equation" + }, + { + "bbox": [ + 355, + 93, + 438, + 106 + ], + "score": 1.0, + "content": "by fixing an order of", + "type": "text" + }, + { + "bbox": [ + 438, + 94, + 447, + 104 + ], + "score": 0.67, + "content": "V", + "type": "inline_equation" + }, + { + "bbox": [ + 447, + 93, + 506, + 106 + ], + "score": 1.0, + "content": ". We associate", + "type": "text" + } + ], + "index": 1 + }, + { + "bbox": [ + 104, + 104, + 505, + 117 + ], + "spans": [ + { + "bbox": [ + 104, + 104, + 113, + 117 + ], + "score": 1.0, + "content": "a", + "type": "text" + }, + { + "bbox": [ + 113, + 105, + 123, + 114 + ], + "score": 0.81, + "content": "C", + "type": "inline_equation" + }, + { + "bbox": [ + 123, + 104, + 257, + 117 + ], + "score": 1.0, + "content": "dimensional signal to each node.", + "type": "text" + }, + { + "bbox": [ + 257, + 105, + 267, + 114 + ], + "score": 0.83, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 268, + 104, + 505, + 117 + ], + "score": 1.0, + "content": "in the previous section corresponds to concatenation of the", + "type": "text" + } + ], + "index": 2 + }, + { + "bbox": [ + 105, + 115, + 479, + 128 + ], + "spans": [ + { + "bbox": [ + 105, + 115, + 281, + 128 + ], + "score": 1.0, + "content": "signals. GCNs iteratively update signals on", + "type": "text" + }, + { + "bbox": [ + 281, + 116, + 290, + 125 + ], + "score": 0.78, + "content": "V", + "type": "inline_equation" + }, + { + "bbox": [ + 291, + 115, + 479, + 128 + ], + "score": 1.0, + "content": "using the connection information and weights.", + "type": "text" + } + ], + "index": 3 + } + ], + "index": 1.5 + }, + { + "type": "text", + "bbox": [ + 106, + 131, + 505, + 228 + ], + "lines": [ + { + "bbox": [ + 104, + 128, + 505, + 147 + ], + "spans": [ + { + "bbox": [ + 104, + 128, + 123, + 147 + ], + "score": 1.0, + "content": "Let", + "type": "text" + }, + { + "bbox": [ + 123, + 131, + 270, + 145 + ], + "score": 0.93, + "content": "A : = ( \\mathbf { 1 } _ { \\{ ( i , j ) \\in E \\} } ) _ { i , j \\in [ N ] } \\ \\in \\ \\mathbb { R } ^ { N \\times N }", + "type": "inline_equation" + }, + { + "bbox": [ + 270, + 128, + 391, + 147 + ], + "score": 1.0, + "content": "be the adjacency matrix and", + "type": "text" + }, + { + "bbox": [ + 391, + 132, + 505, + 145 + ], + "score": 0.91, + "content": "D : = \\mathrm { d i a g } ( \\deg ( i ) _ { i \\in [ N ] } ) \\ \\in", + "type": "inline_equation" + } + ], + "index": 4 + }, + { + "bbox": [ + 106, + 141, + 506, + 160 + ], + "spans": [ + { + "bbox": [ + 106, + 144, + 135, + 155 + ], + "score": 0.89, + "content": "\\mathbb { R } ^ { N \\times N }", + "type": "inline_equation" + }, + { + "bbox": [ + 136, + 141, + 235, + 160 + ], + "score": 1.0, + "content": "be the degree matrix of", + "type": "text" + }, + { + "bbox": [ + 236, + 146, + 245, + 155 + ], + "score": 0.82, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 245, + 141, + 273, + 160 + ], + "score": 1.0, + "content": "where", + "type": "text" + }, + { + "bbox": [ + 274, + 144, + 415, + 157 + ], + "score": 0.93, + "content": "\\deg ( i ) : = | \\{ j \\in V \\mid ( i , j ) \\in E \\} |", + "type": "inline_equation" + }, + { + "bbox": [ + 416, + 141, + 506, + 160 + ], + "score": 1.0, + "content": "is the degree of node", + "type": "text" + } + ], + "index": 5 + }, + { + "bbox": [ + 106, + 156, + 505, + 171 + ], + "spans": [ + { + "bbox": [ + 106, + 158, + 111, + 168 + ], + "score": 0.61, + "content": "i", + "type": "inline_equation" + }, + { + "bbox": [ + 111, + 156, + 135, + 171 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 135, + 156, + 196, + 169 + ], + "score": 0.88, + "content": "{ \\tilde { A } } : = A + I _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 197, + 156, + 201, + 171 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 202, + 156, + 265, + 169 + ], + "score": 0.9, + "content": "{ \\tilde { D } } : = D + I _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 265, + 156, + 447, + 171 + ], + "score": 1.0, + "content": "be the adjacent and degree matrix of graph", + "type": "text" + }, + { + "bbox": [ + 448, + 158, + 457, + 168 + ], + "score": 0.8, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 457, + 156, + 505, + 171 + ], + "score": 1.0, + "content": "augmented", + "type": "text" + } + ], + "index": 6 + }, + { + "bbox": [ + 106, + 169, + 505, + 183 + ], + "spans": [ + { + "bbox": [ + 106, + 169, + 456, + 183 + ], + "score": 1.0, + "content": "with self-loops. We define the augmented normalized Laplacian (Wu et al., 2019a) of", + "type": "text" + }, + { + "bbox": [ + 456, + 170, + 466, + 181 + ], + "score": 0.81, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 466, + 169, + 480, + 183 + ], + "score": 1.0, + "content": "by", + "type": "text" + }, + { + "bbox": [ + 480, + 169, + 505, + 182 + ], + "score": 0.87, + "content": "\\tilde { \\Delta } : =", + "type": "inline_equation" + } + ], + "index": 7 + }, + { + "bbox": [ + 107, + 181, + 505, + 196 + ], + "spans": [ + { + "bbox": [ + 107, + 181, + 178, + 194 + ], + "score": 0.92, + "content": "I _ { N } - \\tilde { D } ^ { - \\frac { 1 } { 2 } } \\tilde { A } \\tilde { D } ^ { - \\frac { 1 } { 2 } }", + "type": "inline_equation" + }, + { + "bbox": [ + 178, + 181, + 209, + 196 + ], + "score": 1.0, + "content": "and set", + "type": "text" + }, + { + "bbox": [ + 210, + 181, + 264, + 194 + ], + "score": 0.92, + "content": "P : = I _ { N } - \\tilde { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 265, + 181, + 284, + 196 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 284, + 182, + 330, + 194 + ], + "score": 0.88, + "content": "L , C \\in \\mathbb { N } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 330, + 181, + 505, + 196 + ], + "score": 1.0, + "content": "be the layer and channel sizes, respectively.", + "type": "text" + } + ], + "index": 8 + }, + { + "bbox": [ + 104, + 191, + 506, + 208 + ], + "spans": [ + { + "bbox": [ + 104, + 191, + 156, + 208 + ], + "score": 1.0, + "content": "For weights", + "type": "text" + }, + { + "bbox": [ + 156, + 193, + 207, + 204 + ], + "score": 0.8, + "content": "W _ { l } \\in \\mathbb { R } ^ { C \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 211, + 194, + 243, + 205 + ], + "score": 0.6, + "content": "( l \\in [ L ] )", + "type": "inline_equation" + }, + { + "bbox": [ + 244, + 191, + 295, + 208 + ], + "score": 1.0, + "content": ", we define a", + "type": "text" + }, + { + "bbox": [ + 295, + 194, + 322, + 204 + ], + "score": 0.81, + "content": "\\mathrm { G C N } ^ { 2 }", + "type": "inline_equation" + }, + { + "bbox": [ + 322, + 191, + 386, + 208 + ], + "score": 1.0, + "content": "associated with", + "type": "text" + }, + { + "bbox": [ + 386, + 194, + 396, + 204 + ], + "score": 0.81, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 396, + 191, + 408, + 208 + ], + "score": 1.0, + "content": "by", + "type": "text" + }, + { + "bbox": [ + 409, + 194, + 477, + 205 + ], + "score": 0.93, + "content": "f = f _ { L } \\circ \\cdot \\cdot \\cdot \\circ f _ { 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 477, + 191, + 506, + 208 + ], + "score": 1.0, + "content": "where", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 107, + 201, + 506, + 219 + ], + "spans": [ + { + "bbox": [ + 107, + 204, + 201, + 217 + ], + "score": 0.91, + "content": "f _ { l } : \\mathbb { R } ^ { \\breve { N } \\times C } \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 201, + 201, + 261, + 219 + ], + "score": 1.0, + "content": "is defined by", + "type": "text" + }, + { + "bbox": [ + 261, + 205, + 349, + 217 + ], + "score": 0.91, + "content": "f _ { l } ( X ) : = \\sigma ( P X W _ { l } )", + "type": "inline_equation" + }, + { + "bbox": [ + 349, + 201, + 506, + 219 + ], + "score": 1.0, + "content": ". We are interested in the asymptotic", + "type": "text" + } + ], + "index": 10 + }, + { + "bbox": [ + 104, + 215, + 318, + 230 + ], + "spans": [ + { + "bbox": [ + 104, + 215, + 197, + 230 + ], + "score": 1.0, + "content": "behavior of the output", + "type": "text" + }, + { + "bbox": [ + 197, + 216, + 219, + 227 + ], + "score": 0.91, + "content": "X ^ { ( L ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 219, + 215, + 280, + 230 + ], + "score": 1.0, + "content": "of the GCN as", + "type": "text" + }, + { + "bbox": [ + 281, + 218, + 314, + 227 + ], + "score": 0.88, + "content": "L \\to \\infty", + "type": "inline_equation" + }, + { + "bbox": [ + 314, + 215, + 318, + 230 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 11 + } + ], + "index": 7.5 + }, + { + "type": "text", + "bbox": [ + 107, + 234, + 505, + 279 + ], + "lines": [ + { + "bbox": [ + 106, + 234, + 506, + 246 + ], + "spans": [ + { + "bbox": [ + 106, + 234, + 144, + 246 + ], + "score": 1.0, + "content": "Suppose", + "type": "text" + }, + { + "bbox": [ + 144, + 234, + 153, + 244 + ], + "score": 0.8, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 154, + 234, + 172, + 246 + ], + "score": 1.0, + "content": "has", + "type": "text" + }, + { + "bbox": [ + 172, + 235, + 184, + 244 + ], + "score": 0.81, + "content": "M", + "type": "inline_equation" + }, + { + "bbox": [ + 185, + 234, + 313, + 246 + ], + "score": 1.0, + "content": "connected components and let", + "type": "text" + }, + { + "bbox": [ + 313, + 234, + 401, + 245 + ], + "score": 0.91, + "content": "V = V _ { 1 } \\sqcup \\cdots \\sqcup V _ { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 402, + 234, + 506, + 246 + ], + "score": 1.0, + "content": "be the decomposition of", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 106, + 245, + 505, + 257 + ], + "spans": [ + { + "bbox": [ + 106, + 245, + 158, + 257 + ], + "score": 1.0, + "content": "the node set", + "type": "text" + }, + { + "bbox": [ + 159, + 245, + 168, + 255 + ], + "score": 0.76, + "content": "V", + "type": "inline_equation" + }, + { + "bbox": [ + 168, + 245, + 439, + 257 + ], + "score": 1.0, + "content": "into connected components. We denote an indicator vector of the", + "type": "text" + }, + { + "bbox": [ + 439, + 246, + 449, + 255 + ], + "score": 0.79, + "content": "m", + "type": "inline_equation" + }, + { + "bbox": [ + 450, + 245, + 505, + 257 + ], + "score": 1.0, + "content": "-th connected", + "type": "text" + } + ], + "index": 13 + }, + { + "bbox": [ + 104, + 255, + 506, + 269 + ], + "spans": [ + { + "bbox": [ + 104, + 255, + 166, + 269 + ], + "score": 1.0, + "content": "component by", + "type": "text" + }, + { + "bbox": [ + 166, + 256, + 290, + 269 + ], + "score": 0.89, + "content": "u _ { m } : = ( \\mathbf { 1 } _ { \\{ n \\in V _ { m } \\} } ) _ { n \\in [ N ] } \\in \\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 291, + 255, + 506, + 269 + ], + "score": 1.0, + "content": ". The following proposition shows that GCN satisfies", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 106, + 267, + 338, + 279 + ], + "spans": [ + { + "bbox": [ + 106, + 267, + 338, + 279 + ], + "score": 1.0, + "content": "the assumption of Corollay 3 (see Appendix B for proof).", + "type": "text" + } + ], + "index": 15 + } + ], + "index": 13.5 + }, + { + "type": "text", + "bbox": [ + 107, + 281, + 505, + 328 + ], + "lines": [ + { + "bbox": [ + 105, + 279, + 506, + 295 + ], + "spans": [ + { + "bbox": [ + 105, + 279, + 187, + 295 + ], + "score": 1.0, + "content": "Proposition 1. Let", + "type": "text" + }, + { + "bbox": [ + 188, + 281, + 256, + 293 + ], + "score": 0.9, + "content": "\\lambda _ { 1 } \\leq \\cdots \\leq \\lambda _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 257, + 279, + 343, + 295 + ], + "score": 1.0, + "content": "be the eigenvalue of", + "type": "text" + }, + { + "bbox": [ + 344, + 282, + 352, + 291 + ], + "score": 0.76, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 353, + 279, + 506, + 295 + ], + "score": 1.0, + "content": "sorted in ascending order. Then, we", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 105, + 291, + 505, + 307 + ], + "spans": [ + { + "bbox": [ + 105, + 291, + 129, + 307 + ], + "score": 1.0, + "content": "have", + "type": "text" + }, + { + "bbox": [ + 129, + 293, + 171, + 304 + ], + "score": 0.81, + "content": "- 1 < \\lambda _ { 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 171, + 291, + 177, + 307 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 177, + 294, + 229, + 304 + ], + "score": 0.85, + "content": "\\lambda _ { N - M } ~ < ~ 1", + "type": "inline_equation" + }, + { + "bbox": [ + 229, + 291, + 254, + 307 + ], + "score": 1.0, + "content": ", and", + "type": "text" + }, + { + "bbox": [ + 254, + 293, + 376, + 304 + ], + "score": 0.9, + "content": "\\lambda _ { N - M + 1 } = \\cdot \\cdot \\cdot = \\lambda _ { N } = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 377, + 291, + 480, + 307 + ], + "score": 1.0, + "content": ". In particular, we have", + "type": "text" + }, + { + "bbox": [ + 481, + 293, + 505, + 304 + ], + "score": 0.84, + "content": "\\lambda : =", + "type": "inline_equation" + } + ], + "index": 17 + }, + { + "bbox": [ + 106, + 304, + 506, + 320 + ], + "spans": [ + { + "bbox": [ + 106, + 306, + 215, + 318 + ], + "score": 0.88, + "content": "\\begin{array} { r } { \\operatorname* { m a x } _ { n = 1 , \\dots , N - M } | \\lambda _ { n } | < 1 } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 215, + 304, + 257, + 320 + ], + "score": 1.0, + "content": ". Further,", + "type": "text" + }, + { + "bbox": [ + 257, + 304, + 317, + 317 + ], + "score": 0.89, + "content": "e _ { m } : = \\tilde { D } ^ { \\frac { 1 } { 2 } } u _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 317, + 304, + 333, + 320 + ], + "score": 1.0, + "content": "for", + "type": "text" + }, + { + "bbox": [ + 334, + 305, + 375, + 318 + ], + "score": 0.9, + "content": "m \\in [ M ]", + "type": "inline_equation" + }, + { + "bbox": [ + 375, + 304, + 506, + 320 + ], + "score": 1.0, + "content": "are the basis of the eigenspace", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 106, + 317, + 241, + 329 + ], + "spans": [ + { + "bbox": [ + 106, + 317, + 241, + 329 + ], + "score": 1.0, + "content": "associated with the eigenvalue 1.", + "type": "text" + } + ], + "index": 19 + } + ], + "index": 17.5 + }, + { + "type": "text", + "bbox": [ + 108, + 330, + 504, + 356 + ], + "lines": [ + { + "bbox": [ + 105, + 327, + 505, + 345 + ], + "spans": [ + { + "bbox": [ + 105, + 327, + 256, + 345 + ], + "score": 1.0, + "content": "Theorem 2. For any initial value", + "type": "text" + }, + { + "bbox": [ + 256, + 330, + 276, + 342 + ], + "score": 0.9, + "content": "X ^ { ( 0 ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 277, + 327, + 387, + 345 + ], + "score": 1.0, + "content": ", the output of l-th layer", + "type": "text" + }, + { + "bbox": [ + 388, + 330, + 407, + 342 + ], + "score": 0.9, + "content": "X ^ { ( l ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 407, + 327, + 447, + 345 + ], + "score": 1.0, + "content": "satisfies", + "type": "text" + }, + { + "bbox": [ + 447, + 330, + 505, + 343 + ], + "score": 0.88, + "content": "d _ { \\mathcal { M } } ( X ^ { ( l ) } ) ~ \\leq", + "type": "inline_equation" + } + ], + "index": 20 + }, + { + "bbox": [ + 107, + 341, + 448, + 357 + ], + "spans": [ + { + "bbox": [ + 107, + 342, + 171, + 356 + ], + "score": 0.92, + "content": "( s \\lambda ) ^ { l } d _ { \\mathcal { M } } ( X ^ { ( 0 ) } )", + "type": "inline_equation" + }, + { + "bbox": [ + 171, + 341, + 231, + 357 + ], + "score": 1.0, + "content": ". In particular,", + "type": "text" + }, + { + "bbox": [ + 231, + 342, + 273, + 356 + ], + "score": 0.94, + "content": "d _ { \\mathcal { M } } ( { \\boldsymbol { X } } ^ { ( l ) } )", + "type": "inline_equation" + }, + { + "bbox": [ + 273, + 341, + 414, + 357 + ], + "score": 1.0, + "content": "exponentially converges to 0 when", + "type": "text" + }, + { + "bbox": [ + 414, + 344, + 443, + 354 + ], + "score": 0.88, + "content": "s \\lambda < 1", + "type": "inline_equation" + }, + { + "bbox": [ + 444, + 341, + 448, + 357 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 21 + } + ], + "index": 20.5 + }, + { + "type": "text", + "bbox": [ + 106, + 364, + 505, + 455 + ], + "lines": [ + { + "bbox": [ + 105, + 363, + 506, + 377 + ], + "spans": [ + { + "bbox": [ + 105, + 363, + 506, + 377 + ], + "score": 1.0, + "content": "In the context of node classification tasks, we can interpret this corollary as the “information loss” of", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 105, + 375, + 505, + 388 + ], + "spans": [ + { + "bbox": [ + 105, + 375, + 283, + 388 + ], + "score": 1.0, + "content": "GCNs in the limit of infinite layers. For any", + "type": "text" + }, + { + "bbox": [ + 283, + 376, + 317, + 386 + ], + "score": 0.91, + "content": "X \\in { \\mathcal { M } }", + "type": "inline_equation" + }, + { + "bbox": [ + 318, + 375, + 372, + 388 + ], + "score": 1.0, + "content": ", if two nodes", + "type": "text" + }, + { + "bbox": [ + 372, + 376, + 407, + 387 + ], + "score": 0.91, + "content": "i , j \\in V", + "type": "inline_equation" + }, + { + "bbox": [ + 407, + 375, + 505, + 388 + ], + "score": 1.0, + "content": "are in a same connected", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 105, + 387, + 504, + 398 + ], + "spans": [ + { + "bbox": [ + 105, + 387, + 388, + 398 + ], + "score": 1.0, + "content": "component and their degrees are identical, then, the column vectors of", + "type": "text" + }, + { + "bbox": [ + 388, + 387, + 398, + 396 + ], + "score": 0.85, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 398, + 387, + 498, + 398 + ], + "score": 1.0, + "content": "that correspond to nodes", + "type": "text" + }, + { + "bbox": [ + 499, + 387, + 504, + 396 + ], + "score": 0.67, + "content": "i", + "type": "inline_equation" + } + ], + "index": 24 + }, + { + "bbox": [ + 105, + 396, + 505, + 410 + ], + "spans": [ + { + "bbox": [ + 105, + 396, + 123, + 410 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 123, + 398, + 129, + 408 + ], + "score": 0.82, + "content": "j", + "type": "inline_equation" + }, + { + "bbox": [ + 130, + 396, + 401, + 410 + ], + "score": 1.0, + "content": "are identical. It means that we cannot distinguish these nodes using", + "type": "text" + }, + { + "bbox": [ + 402, + 398, + 412, + 407 + ], + "score": 0.76, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 412, + 396, + 470, + 410 + ], + "score": 1.0, + "content": ". In this sense,", + "type": "text" + }, + { + "bbox": [ + 470, + 397, + 484, + 407 + ], + "score": 0.78, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 484, + 396, + 505, + 410 + ], + "score": 1.0, + "content": "only", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 105, + 408, + 505, + 421 + ], + "spans": [ + { + "bbox": [ + 105, + 408, + 505, + 421 + ], + "score": 1.0, + "content": "has information about connected components and node degrees and we can interpret this theorem", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 105, + 419, + 505, + 432 + ], + "spans": [ + { + "bbox": [ + 105, + 419, + 505, + 432 + ], + "score": 1.0, + "content": "as the exponential information loss of GCNs in terms of the layer size. Similarly to the discussion", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 105, + 430, + 505, + 444 + ], + "spans": [ + { + "bbox": [ + 105, + 430, + 201, + 444 + ], + "score": 1.0, + "content": "in the previous section,", + "type": "text" + }, + { + "bbox": [ + 201, + 430, + 221, + 442 + ], + "score": 0.9, + "content": "X ^ { ( l ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 221, + 430, + 392, + 444 + ], + "score": 1.0, + "content": "converges to the trivial fixed point 0 when", + "type": "text" + }, + { + "bbox": [ + 393, + 432, + 417, + 442 + ], + "score": 0.89, + "content": "s < 1", + "type": "inline_equation" + }, + { + "bbox": [ + 418, + 430, + 465, + 444 + ], + "score": 1.0, + "content": "(remember", + "type": "text" + }, + { + "bbox": [ + 465, + 431, + 498, + 442 + ], + "score": 0.88, + "content": "\\lambda _ { N } = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 499, + 430, + 505, + 444 + ], + "score": 1.0, + "content": ").", + "type": "text" + } + ], + "index": 28 + }, + { + "bbox": [ + 105, + 442, + 505, + 455 + ], + "spans": [ + { + "bbox": [ + 105, + 442, + 244, + 455 + ], + "score": 1.0, + "content": "An interesting point is that even if", + "type": "text" + }, + { + "bbox": [ + 245, + 443, + 269, + 454 + ], + "score": 0.87, + "content": "s \\geq 1", + "type": "inline_equation" + }, + { + "bbox": [ + 269, + 442, + 272, + 455 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 273, + 442, + 292, + 453 + ], + "score": 0.88, + "content": "X ^ { ( l ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 292, + 442, + 465, + 455 + ], + "score": 1.0, + "content": "can suffer from this information loss when", + "type": "text" + }, + { + "bbox": [ + 466, + 443, + 501, + 453 + ], + "score": 0.9, + "content": "s < \\lambda ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 442, + 505, + 455 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 29 + } + ], + "index": 25.5 + }, + { + "type": "text", + "bbox": [ + 108, + 460, + 503, + 493 + ], + "lines": [ + { + "bbox": [ + 106, + 460, + 504, + 472 + ], + "spans": [ + { + "bbox": [ + 106, + 460, + 192, + 472 + ], + "score": 1.0, + "content": "We note that the rate", + "type": "text" + }, + { + "bbox": [ + 192, + 461, + 204, + 470 + ], + "score": 0.84, + "content": "s \\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 205, + 460, + 504, + 472 + ], + "score": 1.0, + "content": "in Theorem 2 depends on the spectra of the augmented normalized Lapla-", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 106, + 471, + 504, + 483 + ], + "spans": [ + { + "bbox": [ + 106, + 471, + 378, + 483 + ], + "score": 1.0, + "content": "cian, which is determined by the topology of the underlying graph", + "type": "text" + }, + { + "bbox": [ + 378, + 471, + 387, + 481 + ], + "score": 0.7, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 387, + 471, + 504, + 483 + ], + "score": 1.0, + "content": ". Hence, our result explicitly", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 106, + 482, + 450, + 495 + ], + "spans": [ + { + "bbox": [ + 106, + 482, + 450, + 495 + ], + "score": 1.0, + "content": "relates the topological information of graphs and asymptotic behaviors of graph NNs.", + "type": "text" + } + ], + "index": 32 + } + ], + "index": 31 + }, + { + "type": "text", + "bbox": [ + 106, + 496, + 505, + 552 + ], + "lines": [ + { + "bbox": [ + 106, + 497, + 504, + 509 + ], + "spans": [ + { + "bbox": [ + 106, + 497, + 504, + 509 + ], + "score": 1.0, + "content": "Remark 2. The old preprint (version 2) of Luan et al. (2019) formulated a theorem that explains the", + "type": "text" + } + ], + "index": 33 + }, + { + "bbox": [ + 106, + 508, + 504, + 520 + ], + "spans": [ + { + "bbox": [ + 106, + 508, + 504, + 520 + ], + "score": 1.0, + "content": "over-smoothing of non-linear GNNs. Specifically, it claimed that if a graph does not have a bipartite", + "type": "text" + } + ], + "index": 34 + }, + { + "bbox": [ + 106, + 518, + 505, + 532 + ], + "spans": [ + { + "bbox": [ + 106, + 518, + 505, + 532 + ], + "score": 1.0, + "content": "component and the input distribution is continuous, the rank of the output of a GCN converges to the", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 105, + 530, + 506, + 543 + ], + "spans": [ + { + "bbox": [ + 105, + 530, + 506, + 543 + ], + "score": 1.0, + "content": "number of connected components of the underlying graph as the layer size goes to infinity almost", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 105, + 541, + 448, + 554 + ], + "spans": [ + { + "bbox": [ + 105, + 541, + 437, + 554 + ], + "score": 1.0, + "content": "surely. However, it is not true in general as we give a counterexample in Appendix", + "type": "text" + }, + { + "bbox": [ + 437, + 543, + 444, + 551 + ], + "score": 0.53, + "content": "C", + "type": "inline_equation" + }, + { + "bbox": [ + 444, + 541, + 448, + 554 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 37 + } + ], + "index": 35 + }, + { + "type": "title", + "bbox": [ + 108, + 567, + 442, + 581 + ], + "lines": [ + { + "bbox": [ + 105, + 567, + 443, + 583 + ], + "spans": [ + { + "bbox": [ + 105, + 567, + 443, + 583 + ], + "score": 1.0, + "content": "5 ASYMPTOTIC BEHAVIOR OF GCN ON ERDOS˝ – RENYI ´ GRAPH", + "type": "text" + } + ], + "index": 38 + } + ], + "index": 38 + }, + { + "type": "text", + "bbox": [ + 106, + 592, + 505, + 703 + ], + "lines": [ + { + "bbox": [ + 106, + 592, + 505, + 605 + ], + "spans": [ + { + "bbox": [ + 106, + 592, + 505, + 605 + ], + "score": 1.0, + "content": "Theorem 2 gives us a way to characterize the asymptotic behaviors of GCNs via the spectral distri-", + "type": "text" + } + ], + "index": 39 + }, + { + "bbox": [ + 104, + 601, + 504, + 619 + ], + "spans": [ + { + "bbox": [ + 104, + 601, + 481, + 619 + ], + "score": 1.0, + "content": "butions of the underlying graphs. To demonstrate this, we consider an Erdos – R ˝ enyi graph ´", + "type": "text" + }, + { + "bbox": [ + 481, + 604, + 504, + 617 + ], + "score": 0.9, + "content": "G _ { N , p }", + "type": "inline_equation" + } + ], + "index": 40 + }, + { + "bbox": [ + 105, + 613, + 506, + 628 + ], + "spans": [ + { + "bbox": [ + 105, + 613, + 397, + 628 + ], + "score": 1.0, + "content": "(Erdos & R ¨ enyi, 1959; Gilbert, 1959), which is a random graph that has ´", + "type": "text" + }, + { + "bbox": [ + 397, + 615, + 407, + 625 + ], + "score": 0.83, + "content": "N", + "type": "inline_equation" + }, + { + "bbox": [ + 408, + 613, + 506, + 628 + ], + "score": 1.0, + "content": "nodes and whose edges", + "type": "text" + } + ], + "index": 41 + }, + { + "bbox": [ + 105, + 624, + 506, + 640 + ], + "spans": [ + { + "bbox": [ + 105, + 624, + 374, + 640 + ], + "score": 1.0, + "content": "between two distinct nodes appear independently with probability", + "type": "text" + }, + { + "bbox": [ + 374, + 626, + 414, + 638 + ], + "score": 0.91, + "content": "p \\in [ 0 , 1 ]", + "type": "inline_equation" + }, + { + "bbox": [ + 414, + 624, + 506, + 640 + ], + "score": 1.0, + "content": ", as an example. First,", + "type": "text" + } + ], + "index": 42 + }, + { + "bbox": [ + 105, + 636, + 505, + 650 + ], + "spans": [ + { + "bbox": [ + 105, + 636, + 236, + 650 + ], + "score": 1.0, + "content": "consider a (non-random) graph", + "type": "text" + }, + { + "bbox": [ + 236, + 637, + 245, + 647 + ], + "score": 0.79, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 246, + 636, + 268, + 650 + ], + "score": 1.0, + "content": "with", + "type": "text" + }, + { + "bbox": [ + 268, + 637, + 281, + 647 + ], + "score": 0.74, + "content": "M", + "type": "inline_equation" + }, + { + "bbox": [ + 281, + 636, + 399, + 650 + ], + "score": 1.0, + "content": "connected components. Let", + "type": "text" + }, + { + "bbox": [ + 399, + 637, + 505, + 649 + ], + "score": 0.89, + "content": "0 = \\tilde { \\mu } _ { 1 } = \\cdot \\cdot \\cdot = \\tilde { \\mu } _ { M } <", + "type": "inline_equation" + } + ], + "index": 43 + }, + { + "bbox": [ + 107, + 648, + 505, + 661 + ], + "spans": [ + { + "bbox": [ + 107, + 648, + 207, + 660 + ], + "score": 0.92, + "content": "\\tilde { \\mu } _ { M + 1 } \\leq \\dots \\leq \\tilde { \\mu } _ { N } < 2", + "type": "inline_equation" + }, + { + "bbox": [ + 207, + 648, + 443, + 661 + ], + "score": 1.0, + "content": "be eigenvalues of the augmented normalized Laplacian of", + "type": "text" + }, + { + "bbox": [ + 443, + 649, + 452, + 658 + ], + "score": 0.8, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 453, + 648, + 505, + 661 + ], + "score": 1.0, + "content": "(see, Propo-", + "type": "text" + } + ], + "index": 44 + }, + { + "bbox": [ + 104, + 658, + 506, + 672 + ], + "spans": [ + { + "bbox": [ + 104, + 658, + 174, + 672 + ], + "score": 1.0, + "content": "sition 1) and set", + "type": "text" + }, + { + "bbox": [ + 174, + 659, + 330, + 671 + ], + "score": 0.9, + "content": "\\begin{array} { r } { \\lambda : = \\operatorname* { m i n } _ { m = M + 1 , \\ldots , N } | 1 - \\tilde { \\mu } _ { m } | ( < 1 ) } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 330, + 658, + 506, + 672 + ], + "score": 1.0, + "content": ". By Theorem 2, the output of GCN “loses", + "type": "text" + } + ], + "index": 45 + }, + { + "bbox": [ + 106, + 669, + 505, + 682 + ], + "spans": [ + { + "bbox": [ + 106, + 669, + 505, + 682 + ], + "score": 1.0, + "content": "information” as the layer size goes to infinity when the largest singular values of weights are strictly", + "type": "text" + } + ], + "index": 46 + }, + { + "bbox": [ + 104, + 679, + 506, + 694 + ], + "spans": [ + { + "bbox": [ + 104, + 679, + 159, + 694 + ], + "score": 1.0, + "content": "smaller than", + "type": "text" + }, + { + "bbox": [ + 159, + 680, + 176, + 691 + ], + "score": 0.91, + "content": "\\lambda ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 177, + 679, + 367, + 694 + ], + "score": 1.0, + "content": ". Therefore, the closer the positive eigenvalues", + "type": "text" + }, + { + "bbox": [ + 368, + 683, + 382, + 693 + ], + "score": 0.86, + "content": "\\mu _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 383, + 679, + 506, + 694 + ], + "score": 1.0, + "content": "are to 1, the broader range of", + "type": "text" + } + ], + "index": 47 + }, + { + "bbox": [ + 106, + 692, + 290, + 704 + ], + "spans": [ + { + "bbox": [ + 106, + 692, + 290, + 704 + ], + "score": 1.0, + "content": "GCNs satisfies the assumption of Theorem 2.", + "type": "text" + } + ], + "index": 48 + } + ], + "index": 43.5 + } + ], + "page_idx": 4, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 108, + 711, + 504, + 732 + ], + "lines": [ + { + "bbox": [ + 118, + 709, + 506, + 724 + ], + "spans": [ + { + "bbox": [ + 118, + 709, + 416, + 724 + ], + "score": 1.0, + "content": "2Following the original paper (Kipf & Welling, 2017), we use one-layer MLPs (i.e.,", + "type": "text" + }, + { + "bbox": [ + 416, + 712, + 445, + 721 + ], + "score": 0.9, + "content": "H _ { l } = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 445, + 709, + 468, + 724 + ], + "score": 1.0, + "content": "for all", + "type": "text" + }, + { + "bbox": [ + 469, + 712, + 499, + 722 + ], + "score": 0.86, + "content": "l \\in \\mathbb { N } .", + "type": "inline_equation" + }, + { + "bbox": [ + 499, + 709, + 506, + 724 + ], + "score": 1.0, + "content": ").", + "type": "text" + } + ] + }, + { + "bbox": [ + 106, + 720, + 288, + 734 + ], + "spans": [ + { + "bbox": [ + 106, + 720, + 288, + 734 + ], + "score": 1.0, + "content": "However, our result holds for the multi-layer case", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 108, + 27, + 293, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 302, + 751, + 308, + 760 + ], + "lines": [ + { + "bbox": [ + 302, + 750, + 309, + 763 + ], + "spans": [ + { + "bbox": [ + 302, + 750, + 309, + 763 + ], + "score": 1.0, + "content": "5", + "type": "text" + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "text", + "bbox": [ + 107, + 82, + 505, + 127 + ], + "lines": [ + { + "bbox": [ + 105, + 82, + 505, + 95 + ], + "spans": [ + { + "bbox": [ + 105, + 83, + 122, + 95 + ], + "score": 1.0, + "content": "Let", + "type": "text" + }, + { + "bbox": [ + 122, + 82, + 171, + 95 + ], + "score": 0.93, + "content": "G = ( V , E )", + "type": "inline_equation" + }, + { + "bbox": [ + 171, + 83, + 291, + 95 + ], + "score": 1.0, + "content": "be an undirected graph where", + "type": "text" + }, + { + "bbox": [ + 291, + 83, + 300, + 92 + ], + "score": 0.79, + "content": "V", + "type": "inline_equation" + }, + { + "bbox": [ + 301, + 83, + 383, + 95 + ], + "score": 1.0, + "content": "is a set of nodes and", + "type": "text" + }, + { + "bbox": [ + 383, + 83, + 392, + 92 + ], + "score": 0.82, + "content": "E", + "type": "inline_equation" + }, + { + "bbox": [ + 393, + 83, + 505, + 95 + ], + "score": 1.0, + "content": "is a set of edges. We denote", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 105, + 93, + 506, + 106 + ], + "spans": [ + { + "bbox": [ + 105, + 93, + 199, + 106 + ], + "score": 1.0, + "content": "the number of nodes in", + "type": "text" + }, + { + "bbox": [ + 199, + 94, + 208, + 104 + ], + "score": 0.79, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 209, + 93, + 221, + 106 + ], + "score": 1.0, + "content": "by", + "type": "text" + }, + { + "bbox": [ + 221, + 94, + 258, + 105 + ], + "score": 0.92, + "content": "N = | V |", + "type": "inline_equation" + }, + { + "bbox": [ + 258, + 93, + 308, + 106 + ], + "score": 1.0, + "content": "and identify", + "type": "text" + }, + { + "bbox": [ + 309, + 94, + 318, + 104 + ], + "score": 0.74, + "content": "V", + "type": "inline_equation" + }, + { + "bbox": [ + 318, + 93, + 339, + 106 + ], + "score": 1.0, + "content": "with", + "type": "text" + }, + { + "bbox": [ + 339, + 93, + 354, + 106 + ], + "score": 0.91, + "content": "[ N ]", + "type": "inline_equation" + }, + { + "bbox": [ + 355, + 93, + 438, + 106 + ], + "score": 1.0, + "content": "by fixing an order of", + "type": "text" + }, + { + "bbox": [ + 438, + 94, + 447, + 104 + ], + "score": 0.67, + "content": "V", + "type": "inline_equation" + }, + { + "bbox": [ + 447, + 93, + 506, + 106 + ], + "score": 1.0, + "content": ". We associate", + "type": "text" + } + ], + "index": 1 + }, + { + "bbox": [ + 104, + 104, + 505, + 117 + ], + "spans": [ + { + "bbox": [ + 104, + 104, + 113, + 117 + ], + "score": 1.0, + "content": "a", + "type": "text" + }, + { + "bbox": [ + 113, + 105, + 123, + 114 + ], + "score": 0.81, + "content": "C", + "type": "inline_equation" + }, + { + "bbox": [ + 123, + 104, + 257, + 117 + ], + "score": 1.0, + "content": "dimensional signal to each node.", + "type": "text" + }, + { + "bbox": [ + 257, + 105, + 267, + 114 + ], + "score": 0.83, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 268, + 104, + 505, + 117 + ], + "score": 1.0, + "content": "in the previous section corresponds to concatenation of the", + "type": "text" + } + ], + "index": 2 + }, + { + "bbox": [ + 105, + 115, + 479, + 128 + ], + "spans": [ + { + "bbox": [ + 105, + 115, + 281, + 128 + ], + "score": 1.0, + "content": "signals. GCNs iteratively update signals on", + "type": "text" + }, + { + "bbox": [ + 281, + 116, + 290, + 125 + ], + "score": 0.78, + "content": "V", + "type": "inline_equation" + }, + { + "bbox": [ + 291, + 115, + 479, + 128 + ], + "score": 1.0, + "content": "using the connection information and weights.", + "type": "text" + } + ], + "index": 3 + } + ], + "index": 1.5, + "bbox_fs": [ + 104, + 82, + 506, + 128 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 131, + 505, + 228 + ], + "lines": [ + { + "bbox": [ + 104, + 128, + 505, + 147 + ], + "spans": [ + { + "bbox": [ + 104, + 128, + 123, + 147 + ], + "score": 1.0, + "content": "Let", + "type": "text" + }, + { + "bbox": [ + 123, + 131, + 270, + 145 + ], + "score": 0.93, + "content": "A : = ( \\mathbf { 1 } _ { \\{ ( i , j ) \\in E \\} } ) _ { i , j \\in [ N ] } \\ \\in \\ \\mathbb { R } ^ { N \\times N }", + "type": "inline_equation" + }, + { + "bbox": [ + 270, + 128, + 391, + 147 + ], + "score": 1.0, + "content": "be the adjacency matrix and", + "type": "text" + }, + { + "bbox": [ + 391, + 132, + 505, + 145 + ], + "score": 0.91, + "content": "D : = \\mathrm { d i a g } ( \\deg ( i ) _ { i \\in [ N ] } ) \\ \\in", + "type": "inline_equation" + } + ], + "index": 4 + }, + { + "bbox": [ + 106, + 141, + 506, + 160 + ], + "spans": [ + { + "bbox": [ + 106, + 144, + 135, + 155 + ], + "score": 0.89, + "content": "\\mathbb { R } ^ { N \\times N }", + "type": "inline_equation" + }, + { + "bbox": [ + 136, + 141, + 235, + 160 + ], + "score": 1.0, + "content": "be the degree matrix of", + "type": "text" + }, + { + "bbox": [ + 236, + 146, + 245, + 155 + ], + "score": 0.82, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 245, + 141, + 273, + 160 + ], + "score": 1.0, + "content": "where", + "type": "text" + }, + { + "bbox": [ + 274, + 144, + 415, + 157 + ], + "score": 0.93, + "content": "\\deg ( i ) : = | \\{ j \\in V \\mid ( i , j ) \\in E \\} |", + "type": "inline_equation" + }, + { + "bbox": [ + 416, + 141, + 506, + 160 + ], + "score": 1.0, + "content": "is the degree of node", + "type": "text" + } + ], + "index": 5 + }, + { + "bbox": [ + 106, + 156, + 505, + 171 + ], + "spans": [ + { + "bbox": [ + 106, + 158, + 111, + 168 + ], + "score": 0.61, + "content": "i", + "type": "inline_equation" + }, + { + "bbox": [ + 111, + 156, + 135, + 171 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 135, + 156, + 196, + 169 + ], + "score": 0.88, + "content": "{ \\tilde { A } } : = A + I _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 197, + 156, + 201, + 171 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 202, + 156, + 265, + 169 + ], + "score": 0.9, + "content": "{ \\tilde { D } } : = D + I _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 265, + 156, + 447, + 171 + ], + "score": 1.0, + "content": "be the adjacent and degree matrix of graph", + "type": "text" + }, + { + "bbox": [ + 448, + 158, + 457, + 168 + ], + "score": 0.8, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 457, + 156, + 505, + 171 + ], + "score": 1.0, + "content": "augmented", + "type": "text" + } + ], + "index": 6 + }, + { + "bbox": [ + 106, + 169, + 505, + 183 + ], + "spans": [ + { + "bbox": [ + 106, + 169, + 456, + 183 + ], + "score": 1.0, + "content": "with self-loops. We define the augmented normalized Laplacian (Wu et al., 2019a) of", + "type": "text" + }, + { + "bbox": [ + 456, + 170, + 466, + 181 + ], + "score": 0.81, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 466, + 169, + 480, + 183 + ], + "score": 1.0, + "content": "by", + "type": "text" + }, + { + "bbox": [ + 480, + 169, + 505, + 182 + ], + "score": 0.87, + "content": "\\tilde { \\Delta } : =", + "type": "inline_equation" + } + ], + "index": 7 + }, + { + "bbox": [ + 107, + 181, + 505, + 196 + ], + "spans": [ + { + "bbox": [ + 107, + 181, + 178, + 194 + ], + "score": 0.92, + "content": "I _ { N } - \\tilde { D } ^ { - \\frac { 1 } { 2 } } \\tilde { A } \\tilde { D } ^ { - \\frac { 1 } { 2 } }", + "type": "inline_equation" + }, + { + "bbox": [ + 178, + 181, + 209, + 196 + ], + "score": 1.0, + "content": "and set", + "type": "text" + }, + { + "bbox": [ + 210, + 181, + 264, + 194 + ], + "score": 0.92, + "content": "P : = I _ { N } - \\tilde { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 265, + 181, + 284, + 196 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 284, + 182, + 330, + 194 + ], + "score": 0.88, + "content": "L , C \\in \\mathbb { N } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 330, + 181, + 505, + 196 + ], + "score": 1.0, + "content": "be the layer and channel sizes, respectively.", + "type": "text" + } + ], + "index": 8 + }, + { + "bbox": [ + 104, + 191, + 506, + 208 + ], + "spans": [ + { + "bbox": [ + 104, + 191, + 156, + 208 + ], + "score": 1.0, + "content": "For weights", + "type": "text" + }, + { + "bbox": [ + 156, + 193, + 207, + 204 + ], + "score": 0.8, + "content": "W _ { l } \\in \\mathbb { R } ^ { C \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 211, + 194, + 243, + 205 + ], + "score": 0.6, + "content": "( l \\in [ L ] )", + "type": "inline_equation" + }, + { + "bbox": [ + 244, + 191, + 295, + 208 + ], + "score": 1.0, + "content": ", we define a", + "type": "text" + }, + { + "bbox": [ + 295, + 194, + 322, + 204 + ], + "score": 0.81, + "content": "\\mathrm { G C N } ^ { 2 }", + "type": "inline_equation" + }, + { + "bbox": [ + 322, + 191, + 386, + 208 + ], + "score": 1.0, + "content": "associated with", + "type": "text" + }, + { + "bbox": [ + 386, + 194, + 396, + 204 + ], + "score": 0.81, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 396, + 191, + 408, + 208 + ], + "score": 1.0, + "content": "by", + "type": "text" + }, + { + "bbox": [ + 409, + 194, + 477, + 205 + ], + "score": 0.93, + "content": "f = f _ { L } \\circ \\cdot \\cdot \\cdot \\circ f _ { 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 477, + 191, + 506, + 208 + ], + "score": 1.0, + "content": "where", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 107, + 201, + 506, + 219 + ], + "spans": [ + { + "bbox": [ + 107, + 204, + 201, + 217 + ], + "score": 0.91, + "content": "f _ { l } : \\mathbb { R } ^ { \\breve { N } \\times C } \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 201, + 201, + 261, + 219 + ], + "score": 1.0, + "content": "is defined by", + "type": "text" + }, + { + "bbox": [ + 261, + 205, + 349, + 217 + ], + "score": 0.91, + "content": "f _ { l } ( X ) : = \\sigma ( P X W _ { l } )", + "type": "inline_equation" + }, + { + "bbox": [ + 349, + 201, + 506, + 219 + ], + "score": 1.0, + "content": ". We are interested in the asymptotic", + "type": "text" + } + ], + "index": 10 + }, + { + "bbox": [ + 104, + 215, + 318, + 230 + ], + "spans": [ + { + "bbox": [ + 104, + 215, + 197, + 230 + ], + "score": 1.0, + "content": "behavior of the output", + "type": "text" + }, + { + "bbox": [ + 197, + 216, + 219, + 227 + ], + "score": 0.91, + "content": "X ^ { ( L ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 219, + 215, + 280, + 230 + ], + "score": 1.0, + "content": "of the GCN as", + "type": "text" + }, + { + "bbox": [ + 281, + 218, + 314, + 227 + ], + "score": 0.88, + "content": "L \\to \\infty", + "type": "inline_equation" + }, + { + "bbox": [ + 314, + 215, + 318, + 230 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 11 + } + ], + "index": 7.5, + "bbox_fs": [ + 104, + 128, + 506, + 230 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 234, + 505, + 279 + ], + "lines": [ + { + "bbox": [ + 106, + 234, + 506, + 246 + ], + "spans": [ + { + "bbox": [ + 106, + 234, + 144, + 246 + ], + "score": 1.0, + "content": "Suppose", + "type": "text" + }, + { + "bbox": [ + 144, + 234, + 153, + 244 + ], + "score": 0.8, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 154, + 234, + 172, + 246 + ], + "score": 1.0, + "content": "has", + "type": "text" + }, + { + "bbox": [ + 172, + 235, + 184, + 244 + ], + "score": 0.81, + "content": "M", + "type": "inline_equation" + }, + { + "bbox": [ + 185, + 234, + 313, + 246 + ], + "score": 1.0, + "content": "connected components and let", + "type": "text" + }, + { + "bbox": [ + 313, + 234, + 401, + 245 + ], + "score": 0.91, + "content": "V = V _ { 1 } \\sqcup \\cdots \\sqcup V _ { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 402, + 234, + 506, + 246 + ], + "score": 1.0, + "content": "be the decomposition of", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 106, + 245, + 505, + 257 + ], + "spans": [ + { + "bbox": [ + 106, + 245, + 158, + 257 + ], + "score": 1.0, + "content": "the node set", + "type": "text" + }, + { + "bbox": [ + 159, + 245, + 168, + 255 + ], + "score": 0.76, + "content": "V", + "type": "inline_equation" + }, + { + "bbox": [ + 168, + 245, + 439, + 257 + ], + "score": 1.0, + "content": "into connected components. We denote an indicator vector of the", + "type": "text" + }, + { + "bbox": [ + 439, + 246, + 449, + 255 + ], + "score": 0.79, + "content": "m", + "type": "inline_equation" + }, + { + "bbox": [ + 450, + 245, + 505, + 257 + ], + "score": 1.0, + "content": "-th connected", + "type": "text" + } + ], + "index": 13 + }, + { + "bbox": [ + 104, + 255, + 506, + 269 + ], + "spans": [ + { + "bbox": [ + 104, + 255, + 166, + 269 + ], + "score": 1.0, + "content": "component by", + "type": "text" + }, + { + "bbox": [ + 166, + 256, + 290, + 269 + ], + "score": 0.89, + "content": "u _ { m } : = ( \\mathbf { 1 } _ { \\{ n \\in V _ { m } \\} } ) _ { n \\in [ N ] } \\in \\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 291, + 255, + 506, + 269 + ], + "score": 1.0, + "content": ". The following proposition shows that GCN satisfies", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 106, + 267, + 338, + 279 + ], + "spans": [ + { + "bbox": [ + 106, + 267, + 338, + 279 + ], + "score": 1.0, + "content": "the assumption of Corollay 3 (see Appendix B for proof).", + "type": "text" + } + ], + "index": 15 + } + ], + "index": 13.5, + "bbox_fs": [ + 104, + 234, + 506, + 279 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 281, + 505, + 328 + ], + "lines": [ + { + "bbox": [ + 105, + 279, + 506, + 295 + ], + "spans": [ + { + "bbox": [ + 105, + 279, + 187, + 295 + ], + "score": 1.0, + "content": "Proposition 1. Let", + "type": "text" + }, + { + "bbox": [ + 188, + 281, + 256, + 293 + ], + "score": 0.9, + "content": "\\lambda _ { 1 } \\leq \\cdots \\leq \\lambda _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 257, + 279, + 343, + 295 + ], + "score": 1.0, + "content": "be the eigenvalue of", + "type": "text" + }, + { + "bbox": [ + 344, + 282, + 352, + 291 + ], + "score": 0.76, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 353, + 279, + 506, + 295 + ], + "score": 1.0, + "content": "sorted in ascending order. Then, we", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 105, + 291, + 505, + 307 + ], + "spans": [ + { + "bbox": [ + 105, + 291, + 129, + 307 + ], + "score": 1.0, + "content": "have", + "type": "text" + }, + { + "bbox": [ + 129, + 293, + 171, + 304 + ], + "score": 0.81, + "content": "- 1 < \\lambda _ { 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 171, + 291, + 177, + 307 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 177, + 294, + 229, + 304 + ], + "score": 0.85, + "content": "\\lambda _ { N - M } ~ < ~ 1", + "type": "inline_equation" + }, + { + "bbox": [ + 229, + 291, + 254, + 307 + ], + "score": 1.0, + "content": ", and", + "type": "text" + }, + { + "bbox": [ + 254, + 293, + 376, + 304 + ], + "score": 0.9, + "content": "\\lambda _ { N - M + 1 } = \\cdot \\cdot \\cdot = \\lambda _ { N } = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 377, + 291, + 480, + 307 + ], + "score": 1.0, + "content": ". In particular, we have", + "type": "text" + }, + { + "bbox": [ + 481, + 293, + 505, + 304 + ], + "score": 0.84, + "content": "\\lambda : =", + "type": "inline_equation" + } + ], + "index": 17 + }, + { + "bbox": [ + 106, + 304, + 506, + 320 + ], + "spans": [ + { + "bbox": [ + 106, + 306, + 215, + 318 + ], + "score": 0.88, + "content": "\\begin{array} { r } { \\operatorname* { m a x } _ { n = 1 , \\dots , N - M } | \\lambda _ { n } | < 1 } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 215, + 304, + 257, + 320 + ], + "score": 1.0, + "content": ". Further,", + "type": "text" + }, + { + "bbox": [ + 257, + 304, + 317, + 317 + ], + "score": 0.89, + "content": "e _ { m } : = \\tilde { D } ^ { \\frac { 1 } { 2 } } u _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 317, + 304, + 333, + 320 + ], + "score": 1.0, + "content": "for", + "type": "text" + }, + { + "bbox": [ + 334, + 305, + 375, + 318 + ], + "score": 0.9, + "content": "m \\in [ M ]", + "type": "inline_equation" + }, + { + "bbox": [ + 375, + 304, + 506, + 320 + ], + "score": 1.0, + "content": "are the basis of the eigenspace", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 106, + 317, + 241, + 329 + ], + "spans": [ + { + "bbox": [ + 106, + 317, + 241, + 329 + ], + "score": 1.0, + "content": "associated with the eigenvalue 1.", + "type": "text" + } + ], + "index": 19 + } + ], + "index": 17.5, + "bbox_fs": [ + 105, + 279, + 506, + 329 + ] + }, + { + "type": "text", + "bbox": [ + 108, + 330, + 504, + 356 + ], + "lines": [ + { + "bbox": [ + 105, + 327, + 505, + 345 + ], + "spans": [ + { + "bbox": [ + 105, + 327, + 256, + 345 + ], + "score": 1.0, + "content": "Theorem 2. For any initial value", + "type": "text" + }, + { + "bbox": [ + 256, + 330, + 276, + 342 + ], + "score": 0.9, + "content": "X ^ { ( 0 ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 277, + 327, + 387, + 345 + ], + "score": 1.0, + "content": ", the output of l-th layer", + "type": "text" + }, + { + "bbox": [ + 388, + 330, + 407, + 342 + ], + "score": 0.9, + "content": "X ^ { ( l ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 407, + 327, + 447, + 345 + ], + "score": 1.0, + "content": "satisfies", + "type": "text" + }, + { + "bbox": [ + 447, + 330, + 505, + 343 + ], + "score": 0.88, + "content": "d _ { \\mathcal { M } } ( X ^ { ( l ) } ) ~ \\leq", + "type": "inline_equation" + } + ], + "index": 20 + }, + { + "bbox": [ + 107, + 341, + 448, + 357 + ], + "spans": [ + { + "bbox": [ + 107, + 342, + 171, + 356 + ], + "score": 0.92, + "content": "( s \\lambda ) ^ { l } d _ { \\mathcal { M } } ( X ^ { ( 0 ) } )", + "type": "inline_equation" + }, + { + "bbox": [ + 171, + 341, + 231, + 357 + ], + "score": 1.0, + "content": ". In particular,", + "type": "text" + }, + { + "bbox": [ + 231, + 342, + 273, + 356 + ], + "score": 0.94, + "content": "d _ { \\mathcal { M } } ( { \\boldsymbol { X } } ^ { ( l ) } )", + "type": "inline_equation" + }, + { + "bbox": [ + 273, + 341, + 414, + 357 + ], + "score": 1.0, + "content": "exponentially converges to 0 when", + "type": "text" + }, + { + "bbox": [ + 414, + 344, + 443, + 354 + ], + "score": 0.88, + "content": "s \\lambda < 1", + "type": "inline_equation" + }, + { + "bbox": [ + 444, + 341, + 448, + 357 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 21 + } + ], + "index": 20.5, + "bbox_fs": [ + 105, + 327, + 505, + 357 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 364, + 505, + 455 + ], + "lines": [ + { + "bbox": [ + 105, + 363, + 506, + 377 + ], + "spans": [ + { + "bbox": [ + 105, + 363, + 506, + 377 + ], + "score": 1.0, + "content": "In the context of node classification tasks, we can interpret this corollary as the “information loss” of", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 105, + 375, + 505, + 388 + ], + "spans": [ + { + "bbox": [ + 105, + 375, + 283, + 388 + ], + "score": 1.0, + "content": "GCNs in the limit of infinite layers. For any", + "type": "text" + }, + { + "bbox": [ + 283, + 376, + 317, + 386 + ], + "score": 0.91, + "content": "X \\in { \\mathcal { M } }", + "type": "inline_equation" + }, + { + "bbox": [ + 318, + 375, + 372, + 388 + ], + "score": 1.0, + "content": ", if two nodes", + "type": "text" + }, + { + "bbox": [ + 372, + 376, + 407, + 387 + ], + "score": 0.91, + "content": "i , j \\in V", + "type": "inline_equation" + }, + { + "bbox": [ + 407, + 375, + 505, + 388 + ], + "score": 1.0, + "content": "are in a same connected", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 105, + 387, + 504, + 398 + ], + "spans": [ + { + "bbox": [ + 105, + 387, + 388, + 398 + ], + "score": 1.0, + "content": "component and their degrees are identical, then, the column vectors of", + "type": "text" + }, + { + "bbox": [ + 388, + 387, + 398, + 396 + ], + "score": 0.85, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 398, + 387, + 498, + 398 + ], + "score": 1.0, + "content": "that correspond to nodes", + "type": "text" + }, + { + "bbox": [ + 499, + 387, + 504, + 396 + ], + "score": 0.67, + "content": "i", + "type": "inline_equation" + } + ], + "index": 24 + }, + { + "bbox": [ + 105, + 396, + 505, + 410 + ], + "spans": [ + { + "bbox": [ + 105, + 396, + 123, + 410 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 123, + 398, + 129, + 408 + ], + "score": 0.82, + "content": "j", + "type": "inline_equation" + }, + { + "bbox": [ + 130, + 396, + 401, + 410 + ], + "score": 1.0, + "content": "are identical. It means that we cannot distinguish these nodes using", + "type": "text" + }, + { + "bbox": [ + 402, + 398, + 412, + 407 + ], + "score": 0.76, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 412, + 396, + 470, + 410 + ], + "score": 1.0, + "content": ". In this sense,", + "type": "text" + }, + { + "bbox": [ + 470, + 397, + 484, + 407 + ], + "score": 0.78, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 484, + 396, + 505, + 410 + ], + "score": 1.0, + "content": "only", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 105, + 408, + 505, + 421 + ], + "spans": [ + { + "bbox": [ + 105, + 408, + 505, + 421 + ], + "score": 1.0, + "content": "has information about connected components and node degrees and we can interpret this theorem", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 105, + 419, + 505, + 432 + ], + "spans": [ + { + "bbox": [ + 105, + 419, + 505, + 432 + ], + "score": 1.0, + "content": "as the exponential information loss of GCNs in terms of the layer size. Similarly to the discussion", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 105, + 430, + 505, + 444 + ], + "spans": [ + { + "bbox": [ + 105, + 430, + 201, + 444 + ], + "score": 1.0, + "content": "in the previous section,", + "type": "text" + }, + { + "bbox": [ + 201, + 430, + 221, + 442 + ], + "score": 0.9, + "content": "X ^ { ( l ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 221, + 430, + 392, + 444 + ], + "score": 1.0, + "content": "converges to the trivial fixed point 0 when", + "type": "text" + }, + { + "bbox": [ + 393, + 432, + 417, + 442 + ], + "score": 0.89, + "content": "s < 1", + "type": "inline_equation" + }, + { + "bbox": [ + 418, + 430, + 465, + 444 + ], + "score": 1.0, + "content": "(remember", + "type": "text" + }, + { + "bbox": [ + 465, + 431, + 498, + 442 + ], + "score": 0.88, + "content": "\\lambda _ { N } = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 499, + 430, + 505, + 444 + ], + "score": 1.0, + "content": ").", + "type": "text" + } + ], + "index": 28 + }, + { + "bbox": [ + 105, + 442, + 505, + 455 + ], + "spans": [ + { + "bbox": [ + 105, + 442, + 244, + 455 + ], + "score": 1.0, + "content": "An interesting point is that even if", + "type": "text" + }, + { + "bbox": [ + 245, + 443, + 269, + 454 + ], + "score": 0.87, + "content": "s \\geq 1", + "type": "inline_equation" + }, + { + "bbox": [ + 269, + 442, + 272, + 455 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 273, + 442, + 292, + 453 + ], + "score": 0.88, + "content": "X ^ { ( l ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 292, + 442, + 465, + 455 + ], + "score": 1.0, + "content": "can suffer from this information loss when", + "type": "text" + }, + { + "bbox": [ + 466, + 443, + 501, + 453 + ], + "score": 0.9, + "content": "s < \\lambda ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 442, + 505, + 455 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 29 + } + ], + "index": 25.5, + "bbox_fs": [ + 105, + 363, + 506, + 455 + ] + }, + { + "type": "text", + "bbox": [ + 108, + 460, + 503, + 493 + ], + "lines": [ + { + "bbox": [ + 106, + 460, + 504, + 472 + ], + "spans": [ + { + "bbox": [ + 106, + 460, + 192, + 472 + ], + "score": 1.0, + "content": "We note that the rate", + "type": "text" + }, + { + "bbox": [ + 192, + 461, + 204, + 470 + ], + "score": 0.84, + "content": "s \\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 205, + 460, + 504, + 472 + ], + "score": 1.0, + "content": "in Theorem 2 depends on the spectra of the augmented normalized Lapla-", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 106, + 471, + 504, + 483 + ], + "spans": [ + { + "bbox": [ + 106, + 471, + 378, + 483 + ], + "score": 1.0, + "content": "cian, which is determined by the topology of the underlying graph", + "type": "text" + }, + { + "bbox": [ + 378, + 471, + 387, + 481 + ], + "score": 0.7, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 387, + 471, + 504, + 483 + ], + "score": 1.0, + "content": ". Hence, our result explicitly", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 106, + 482, + 450, + 495 + ], + "spans": [ + { + "bbox": [ + 106, + 482, + 450, + 495 + ], + "score": 1.0, + "content": "relates the topological information of graphs and asymptotic behaviors of graph NNs.", + "type": "text" + } + ], + "index": 32 + } + ], + "index": 31, + "bbox_fs": [ + 106, + 460, + 504, + 495 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 496, + 505, + 552 + ], + "lines": [ + { + "bbox": [ + 106, + 497, + 504, + 509 + ], + "spans": [ + { + "bbox": [ + 106, + 497, + 504, + 509 + ], + "score": 1.0, + "content": "Remark 2. The old preprint (version 2) of Luan et al. (2019) formulated a theorem that explains the", + "type": "text" + } + ], + "index": 33 + }, + { + "bbox": [ + 106, + 508, + 504, + 520 + ], + "spans": [ + { + "bbox": [ + 106, + 508, + 504, + 520 + ], + "score": 1.0, + "content": "over-smoothing of non-linear GNNs. Specifically, it claimed that if a graph does not have a bipartite", + "type": "text" + } + ], + "index": 34 + }, + { + "bbox": [ + 106, + 518, + 505, + 532 + ], + "spans": [ + { + "bbox": [ + 106, + 518, + 505, + 532 + ], + "score": 1.0, + "content": "component and the input distribution is continuous, the rank of the output of a GCN converges to the", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 105, + 530, + 506, + 543 + ], + "spans": [ + { + "bbox": [ + 105, + 530, + 506, + 543 + ], + "score": 1.0, + "content": "number of connected components of the underlying graph as the layer size goes to infinity almost", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 105, + 541, + 448, + 554 + ], + "spans": [ + { + "bbox": [ + 105, + 541, + 437, + 554 + ], + "score": 1.0, + "content": "surely. However, it is not true in general as we give a counterexample in Appendix", + "type": "text" + }, + { + "bbox": [ + 437, + 543, + 444, + 551 + ], + "score": 0.53, + "content": "C", + "type": "inline_equation" + }, + { + "bbox": [ + 444, + 541, + 448, + 554 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 37 + } + ], + "index": 35, + "bbox_fs": [ + 105, + 497, + 506, + 554 + ] + }, + { + "type": "title", + "bbox": [ + 108, + 567, + 442, + 581 + ], + "lines": [ + { + "bbox": [ + 105, + 567, + 443, + 583 + ], + "spans": [ + { + "bbox": [ + 105, + 567, + 443, + 583 + ], + "score": 1.0, + "content": "5 ASYMPTOTIC BEHAVIOR OF GCN ON ERDOS˝ – RENYI ´ GRAPH", + "type": "text" + } + ], + "index": 38 + } + ], + "index": 38 + }, + { + "type": "text", + "bbox": [ + 106, + 592, + 505, + 703 + ], + "lines": [ + { + "bbox": [ + 106, + 592, + 505, + 605 + ], + "spans": [ + { + "bbox": [ + 106, + 592, + 505, + 605 + ], + "score": 1.0, + "content": "Theorem 2 gives us a way to characterize the asymptotic behaviors of GCNs via the spectral distri-", + "type": "text" + } + ], + "index": 39 + }, + { + "bbox": [ + 104, + 601, + 504, + 619 + ], + "spans": [ + { + "bbox": [ + 104, + 601, + 481, + 619 + ], + "score": 1.0, + "content": "butions of the underlying graphs. To demonstrate this, we consider an Erdos – R ˝ enyi graph ´", + "type": "text" + }, + { + "bbox": [ + 481, + 604, + 504, + 617 + ], + "score": 0.9, + "content": "G _ { N , p }", + "type": "inline_equation" + } + ], + "index": 40 + }, + { + "bbox": [ + 105, + 613, + 506, + 628 + ], + "spans": [ + { + "bbox": [ + 105, + 613, + 397, + 628 + ], + "score": 1.0, + "content": "(Erdos & R ¨ enyi, 1959; Gilbert, 1959), which is a random graph that has ´", + "type": "text" + }, + { + "bbox": [ + 397, + 615, + 407, + 625 + ], + "score": 0.83, + "content": "N", + "type": "inline_equation" + }, + { + "bbox": [ + 408, + 613, + 506, + 628 + ], + "score": 1.0, + "content": "nodes and whose edges", + "type": "text" + } + ], + "index": 41 + }, + { + "bbox": [ + 105, + 624, + 506, + 640 + ], + "spans": [ + { + "bbox": [ + 105, + 624, + 374, + 640 + ], + "score": 1.0, + "content": "between two distinct nodes appear independently with probability", + "type": "text" + }, + { + "bbox": [ + 374, + 626, + 414, + 638 + ], + "score": 0.91, + "content": "p \\in [ 0 , 1 ]", + "type": "inline_equation" + }, + { + "bbox": [ + 414, + 624, + 506, + 640 + ], + "score": 1.0, + "content": ", as an example. First,", + "type": "text" + } + ], + "index": 42 + }, + { + "bbox": [ + 105, + 636, + 505, + 650 + ], + "spans": [ + { + "bbox": [ + 105, + 636, + 236, + 650 + ], + "score": 1.0, + "content": "consider a (non-random) graph", + "type": "text" + }, + { + "bbox": [ + 236, + 637, + 245, + 647 + ], + "score": 0.79, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 246, + 636, + 268, + 650 + ], + "score": 1.0, + "content": "with", + "type": "text" + }, + { + "bbox": [ + 268, + 637, + 281, + 647 + ], + "score": 0.74, + "content": "M", + "type": "inline_equation" + }, + { + "bbox": [ + 281, + 636, + 399, + 650 + ], + "score": 1.0, + "content": "connected components. Let", + "type": "text" + }, + { + "bbox": [ + 399, + 637, + 505, + 649 + ], + "score": 0.89, + "content": "0 = \\tilde { \\mu } _ { 1 } = \\cdot \\cdot \\cdot = \\tilde { \\mu } _ { M } <", + "type": "inline_equation" + } + ], + "index": 43 + }, + { + "bbox": [ + 107, + 648, + 505, + 661 + ], + "spans": [ + { + "bbox": [ + 107, + 648, + 207, + 660 + ], + "score": 0.92, + "content": "\\tilde { \\mu } _ { M + 1 } \\leq \\dots \\leq \\tilde { \\mu } _ { N } < 2", + "type": "inline_equation" + }, + { + "bbox": [ + 207, + 648, + 443, + 661 + ], + "score": 1.0, + "content": "be eigenvalues of the augmented normalized Laplacian of", + "type": "text" + }, + { + "bbox": [ + 443, + 649, + 452, + 658 + ], + "score": 0.8, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 453, + 648, + 505, + 661 + ], + "score": 1.0, + "content": "(see, Propo-", + "type": "text" + } + ], + "index": 44 + }, + { + "bbox": [ + 104, + 658, + 506, + 672 + ], + "spans": [ + { + "bbox": [ + 104, + 658, + 174, + 672 + ], + "score": 1.0, + "content": "sition 1) and set", + "type": "text" + }, + { + "bbox": [ + 174, + 659, + 330, + 671 + ], + "score": 0.9, + "content": "\\begin{array} { r } { \\lambda : = \\operatorname* { m i n } _ { m = M + 1 , \\ldots , N } | 1 - \\tilde { \\mu } _ { m } | ( < 1 ) } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 330, + 658, + 506, + 672 + ], + "score": 1.0, + "content": ". By Theorem 2, the output of GCN “loses", + "type": "text" + } + ], + "index": 45 + }, + { + "bbox": [ + 106, + 669, + 505, + 682 + ], + "spans": [ + { + "bbox": [ + 106, + 669, + 505, + 682 + ], + "score": 1.0, + "content": "information” as the layer size goes to infinity when the largest singular values of weights are strictly", + "type": "text" + } + ], + "index": 46 + }, + { + "bbox": [ + 104, + 679, + 506, + 694 + ], + "spans": [ + { + "bbox": [ + 104, + 679, + 159, + 694 + ], + "score": 1.0, + "content": "smaller than", + "type": "text" + }, + { + "bbox": [ + 159, + 680, + 176, + 691 + ], + "score": 0.91, + "content": "\\lambda ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 177, + 679, + 367, + 694 + ], + "score": 1.0, + "content": ". Therefore, the closer the positive eigenvalues", + "type": "text" + }, + { + "bbox": [ + 368, + 683, + 382, + 693 + ], + "score": 0.86, + "content": "\\mu _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 383, + 679, + 506, + 694 + ], + "score": 1.0, + "content": "are to 1, the broader range of", + "type": "text" + } + ], + "index": 47 + }, + { + "bbox": [ + 106, + 692, + 290, + 704 + ], + "spans": [ + { + "bbox": [ + 106, + 692, + 290, + 704 + ], + "score": 1.0, + "content": "GCNs satisfies the assumption of Theorem 2.", + "type": "text" + } + ], + "index": 48 + } + ], + "index": 43.5, + "bbox_fs": [ + 104, + 592, + 506, + 704 + ] + } + ] + }, + { + "preproc_blocks": [ + { + "type": "image", + "bbox": [ + 150, + 88, + 448, + 207 + ], + "blocks": [ + { + "type": "image_body", + "bbox": [ + 150, + 88, + 448, + 207 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 150, + 88, + 448, + 207 + ], + "spans": [ + { + "bbox": [ + 150, + 88, + 448, + 207 + ], + "score": 0.966, + "type": "image", + "image_path": "52ed0a06decf73aeea33aba4d223d5646b9ee3b007a61062524feaa9a9984ba1.jpg" + } + ] + } + ], + "index": 1, + "virtual_lines": [ + { + "bbox": [ + 150, + 88, + 448, + 127.66666666666666 + ], + "spans": [], + "index": 0 + }, + { + "bbox": [ + 150, + 127.66666666666666, + 448, + 167.33333333333331 + ], + "spans": [], + "index": 1 + }, + { + "bbox": [ + 150, + 167.33333333333331, + 448, + 206.99999999999997 + ], + "spans": [], + "index": 2 + } + ] + }, + { + "type": "image_caption", + "bbox": [ + 107, + 225, + 505, + 259 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 105, + 224, + 505, + 238 + ], + "spans": [ + { + "bbox": [ + 105, + 224, + 257, + 238 + ], + "score": 1.0, + "content": "Figure 1: Visualization of vector field", + "type": "text" + }, + { + "bbox": [ + 257, + 225, + 340, + 237 + ], + "score": 0.93, + "content": "V ( X ) : = f ( X ) - X", + "type": "inline_equation" + }, + { + "bbox": [ + 340, + 224, + 505, + 238 + ], + "score": 1.0, + "content": "induced by the one-step transition. Color", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 106, + 236, + 504, + 249 + ], + "spans": [ + { + "bbox": [ + 106, + 236, + 242, + 249 + ], + "score": 1.0, + "content": "maps indicate the absolute value", + "type": "text" + }, + { + "bbox": [ + 242, + 237, + 273, + 249 + ], + "score": 0.93, + "content": "| V ( X ) |", + "type": "inline_equation" + }, + { + "bbox": [ + 273, + 236, + 324, + 249 + ], + "score": 1.0, + "content": "at the point", + "type": "text" + }, + { + "bbox": [ + 325, + 237, + 335, + 246 + ], + "score": 0.79, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 335, + 236, + 464, + 249 + ], + "score": 1.0, + "content": ". Dotted lines are the subspace", + "type": "text" + }, + { + "bbox": [ + 464, + 237, + 477, + 247 + ], + "score": 0.7, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 477, + 236, + 504, + 249 + ], + "score": 1.0, + "content": ". Left:", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 107, + 248, + 278, + 259 + ], + "spans": [ + { + "bbox": [ + 107, + 248, + 278, + 259 + ], + "score": 1.0, + "content": "Case 1. Right: Case 2. Best view in color.", + "type": "text" + } + ], + "index": 5 + } + ], + "index": 4 + } + ], + "index": 2.5 + }, + { + "type": "text", + "bbox": [ + 106, + 278, + 505, + 359 + ], + "lines": [ + { + "bbox": [ + 104, + 277, + 506, + 295 + ], + "spans": [ + { + "bbox": [ + 104, + 277, + 221, + 295 + ], + "score": 1.0, + "content": "For an Erdos – R ˝ enyi graph ´", + "type": "text" + }, + { + "bbox": [ + 221, + 281, + 243, + 293 + ], + "score": 0.91, + "content": "G _ { N , p }", + "type": "inline_equation" + }, + { + "bbox": [ + 244, + 277, + 432, + 295 + ], + "score": 1.0, + "content": ", Chung & Radcliffe (2011) showed that when", + "type": "text" + }, + { + "bbox": [ + 433, + 279, + 486, + 294 + ], + "score": 0.92, + "content": "\\begin{array} { r } { \\frac { \\log N } { N p } = o ( 1 ) } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 486, + 277, + 506, + 295 + ], + "score": 1.0, + "content": ", the", + "type": "text" + } + ], + "index": 6 + }, + { + "bbox": [ + 106, + 292, + 505, + 305 + ], + "spans": [ + { + "bbox": [ + 106, + 292, + 505, + 305 + ], + "score": 1.0, + "content": "eigenvalues of the (usual) normalized Laplacian except for the smallest one converge to 1 with high", + "type": "text" + } + ], + "index": 7 + }, + { + "bbox": [ + 104, + 303, + 505, + 317 + ], + "spans": [ + { + "bbox": [ + 104, + 303, + 505, + 317 + ], + "score": 1.0, + "content": "probability (see Theorem 2 therein)3. We can interpret this theorem as the convergence of Erdos- ˝", + "type": "text" + } + ], + "index": 8 + }, + { + "bbox": [ + 106, + 315, + 505, + 326 + ], + "spans": [ + { + "bbox": [ + 106, + 315, + 505, + 326 + ], + "score": 1.0, + "content": "Renyi graphs to the complete graph in terms of graph spectra. We can prove that the augmented ´", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 105, + 325, + 505, + 338 + ], + "spans": [ + { + "bbox": [ + 105, + 325, + 505, + 338 + ], + "score": 1.0, + "content": "normalized Laplacian behaves similarly (Lemma 6). By combining this fact with the discussion in", + "type": "text" + } + ], + "index": 10 + }, + { + "bbox": [ + 106, + 337, + 505, + 349 + ], + "spans": [ + { + "bbox": [ + 106, + 337, + 505, + 349 + ], + "score": 1.0, + "content": "the previous paragraph, we obtain the asymptotic behavior of GCNs on the Erdos – R ˝ enyi graph. ´", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 106, + 347, + 270, + 360 + ], + "spans": [ + { + "bbox": [ + 106, + 347, + 270, + 360 + ], + "score": 1.0, + "content": "See Appendix D for the complete proof.", + "type": "text" + } + ], + "index": 12 + } + ], + "index": 9 + }, + { + "type": "text", + "bbox": [ + 107, + 362, + 505, + 418 + ], + "lines": [ + { + "bbox": [ + 106, + 360, + 505, + 380 + ], + "spans": [ + { + "bbox": [ + 106, + 360, + 334, + 380 + ], + "score": 1.0, + "content": "Theorem 3. Consider a GCN on the Erdos-R ˝ enyi graph ´", + "type": "text" + }, + { + "bbox": [ + 334, + 365, + 357, + 377 + ], + "score": 0.91, + "content": "G _ { N , p }", + "type": "inline_equation" + }, + { + "bbox": [ + 357, + 360, + 397, + 380 + ], + "score": 1.0, + "content": "such that", + "type": "text" + }, + { + "bbox": [ + 397, + 362, + 450, + 379 + ], + "score": 0.93, + "content": "\\begin{array} { r } { \\frac { \\log N } { N p } = o ( 1 ) } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 450, + 360, + 505, + 380 + ], + "score": 1.0, + "content": "as a function", + "type": "text" + } + ], + "index": 13 + }, + { + "bbox": [ + 105, + 376, + 506, + 389 + ], + "spans": [ + { + "bbox": [ + 105, + 376, + 117, + 389 + ], + "score": 1.0, + "content": "of", + "type": "text" + }, + { + "bbox": [ + 118, + 377, + 128, + 387 + ], + "score": 0.68, + "content": "N", + "type": "inline_equation" + }, + { + "bbox": [ + 128, + 376, + 169, + 389 + ], + "score": 1.0, + "content": ". For any", + "type": "text" + }, + { + "bbox": [ + 169, + 378, + 196, + 388 + ], + "score": 0.86, + "content": "\\varepsilon > 0", + "type": "inline_equation" + }, + { + "bbox": [ + 196, + 376, + 506, + 389 + ], + "score": 1.0, + "content": ", if the supremum s of the maximum singular values of weights in the GCN", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 105, + 388, + 506, + 407 + ], + "spans": [ + { + "bbox": [ + 105, + 390, + 205, + 406 + ], + "score": 1.0, + "content": "satisfies s < s0 := 17 q", + "type": "text" + }, + { + "bbox": [ + 141, + 388, + 241, + 407 + ], + "score": 0.93, + "content": "\\begin{array} { r } { s < s _ { 0 } : = \\frac { 1 } { 7 } \\sqrt { \\frac { N p - p + 1 } { \\log ( 4 N / \\varepsilon ) } } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 243, + 391, + 352, + 405 + ], + "score": 1.0, + "content": "then, for sufficiently large", + "type": "text" + }, + { + "bbox": [ + 352, + 392, + 362, + 402 + ], + "score": 0.63, + "content": "N", + "type": "inline_equation" + }, + { + "bbox": [ + 362, + 391, + 506, + 405 + ], + "score": 1.0, + "content": ", the GCN satisfies the condition of", + "type": "text" + } + ], + "index": 15 + }, + { + "bbox": [ + 241, + 396, + 246, + 408 + ], + "spans": [ + { + "bbox": [ + 241, + 396, + 246, + 408 + ], + "score": 1.0, + "content": ",", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 106, + 405, + 276, + 420 + ], + "spans": [ + { + "bbox": [ + 106, + 405, + 249, + 420 + ], + "score": 1.0, + "content": "Theorem 2 with probability at least", + "type": "text" + }, + { + "bbox": [ + 249, + 407, + 272, + 417 + ], + "score": 0.87, + "content": "1 - \\varepsilon", + "type": "inline_equation" + }, + { + "bbox": [ + 272, + 405, + 276, + 420 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 17 + } + ], + "index": 15 + }, + { + "type": "text", + "bbox": [ + 107, + 427, + 505, + 471 + ], + "lines": [ + { + "bbox": [ + 105, + 427, + 505, + 440 + ], + "spans": [ + { + "bbox": [ + 105, + 427, + 505, + 440 + ], + "score": 1.0, + "content": "Theorem 3 requires that an underlying graph is not extremely sparse. For example, suppose the", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 105, + 437, + 505, + 451 + ], + "spans": [ + { + "bbox": [ + 105, + 437, + 155, + 451 + ], + "score": 1.0, + "content": "node size is", + "type": "text" + }, + { + "bbox": [ + 156, + 438, + 208, + 449 + ], + "score": 0.77, + "content": "N = 2 0 , 0 0 0", + "type": "inline_equation" + }, + { + "bbox": [ + 209, + 437, + 505, + 451 + ], + "score": 1.0, + "content": ", which is the approximately the maximum node size of datasets we use in", + "type": "text" + } + ], + "index": 19 + }, + { + "bbox": [ + 105, + 449, + 504, + 461 + ], + "spans": [ + { + "bbox": [ + 105, + 449, + 268, + 461 + ], + "score": 1.0, + "content": "experiments, and the edge probability is", + "type": "text" + }, + { + "bbox": [ + 269, + 449, + 325, + 461 + ], + "score": 0.93, + "content": "p = \\log N / N", + "type": "inline_equation" + }, + { + "bbox": [ + 325, + 449, + 462, + 461 + ], + "score": 1.0, + "content": ". Then, each node has the order of", + "type": "text" + }, + { + "bbox": [ + 462, + 450, + 504, + 461 + ], + "score": 0.91, + "content": "N p \\approx 4 . 3", + "type": "inline_equation" + } + ], + "index": 20 + }, + { + "bbox": [ + 106, + 461, + 171, + 472 + ], + "spans": [ + { + "bbox": [ + 106, + 461, + 171, + 472 + ], + "score": 1.0, + "content": "adjacent nodes.", + "type": "text" + } + ], + "index": 21 + } + ], + "index": 19.5 + }, + { + "type": "text", + "bbox": [ + 107, + 477, + 505, + 532 + ], + "lines": [ + { + "bbox": [ + 106, + 477, + 504, + 489 + ], + "spans": [ + { + "bbox": [ + 106, + 477, + 315, + 489 + ], + "score": 1.0, + "content": "Under the condition of Theorem 3, the upper bound", + "type": "text" + }, + { + "bbox": [ + 315, + 479, + 351, + 488 + ], + "score": 0.89, + "content": "s _ { 0 } \\to \\infty", + "type": "inline_equation" + }, + { + "bbox": [ + 351, + 477, + 362, + 489 + ], + "score": 1.0, + "content": "as", + "type": "text" + }, + { + "bbox": [ + 363, + 478, + 398, + 487 + ], + "score": 0.91, + "content": "N \\to \\infty", + "type": "inline_equation" + }, + { + "bbox": [ + 399, + 477, + 504, + 489 + ], + "score": 1.0, + "content": ". It means that if the graph", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 105, + 488, + 505, + 500 + ], + "spans": [ + { + "bbox": [ + 105, + 488, + 505, + 500 + ], + "score": 1.0, + "content": "is sufficiently large and not extremely sparse, most GCNs suffer from the information loss. For the", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 105, + 498, + 506, + 511 + ], + "spans": [ + { + "bbox": [ + 105, + 498, + 252, + 511 + ], + "score": 1.0, + "content": "dependence on the edge probability", + "type": "text" + }, + { + "bbox": [ + 253, + 501, + 259, + 511 + ], + "score": 0.4, + "content": "p", + "type": "inline_equation" + }, + { + "bbox": [ + 259, + 498, + 263, + 511 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 263, + 501, + 273, + 510 + ], + "score": 0.63, + "content": "s _ { 0 }", + "type": "inline_equation" + }, + { + "bbox": [ + 274, + 498, + 388, + 511 + ], + "score": 1.0, + "content": "is an increasing function of", + "type": "text" + }, + { + "bbox": [ + 388, + 501, + 394, + 510 + ], + "score": 0.78, + "content": "p", + "type": "inline_equation" + }, + { + "bbox": [ + 395, + 498, + 506, + 511 + ], + "score": 1.0, + "content": ", which means the denser a", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 105, + 510, + 506, + 523 + ], + "spans": [ + { + "bbox": [ + 105, + 510, + 506, + 523 + ], + "score": 1.0, + "content": "graph is, the more quickly graph convolution operations mix signals on nodes and move them close", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 105, + 521, + 162, + 532 + ], + "spans": [ + { + "bbox": [ + 105, + 521, + 162, + 532 + ], + "score": 1.0, + "content": "to each other.", + "type": "text" + } + ], + "index": 26 + } + ], + "index": 24 + }, + { + "type": "text", + "bbox": [ + 107, + 537, + 505, + 593 + ], + "lines": [ + { + "bbox": [ + 106, + 537, + 505, + 551 + ], + "spans": [ + { + "bbox": [ + 106, + 537, + 505, + 551 + ], + "score": 1.0, + "content": "Theorem 3 implies that graph NNs perform poorly on dense NNs. More aggressively, we can hy-", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 105, + 549, + 505, + 561 + ], + "spans": [ + { + "bbox": [ + 105, + 549, + 505, + 561 + ], + "score": 1.0, + "content": "pothesize that the sparsity of practically available graphs is one of the reasons for the success of", + "type": "text" + } + ], + "index": 28 + }, + { + "bbox": [ + 105, + 559, + 505, + 573 + ], + "spans": [ + { + "bbox": [ + 105, + 559, + 505, + 573 + ], + "score": 1.0, + "content": "graph NNs in node classification tasks. To confirm this hypothesis, we artificially add edges to ci-", + "type": "text" + } + ], + "index": 29 + }, + { + "bbox": [ + 105, + 569, + 506, + 585 + ], + "spans": [ + { + "bbox": [ + 105, + 569, + 506, + 585 + ], + "score": 1.0, + "content": "tation networks to make them dense in the experiments and observe the failure of graph NNs as", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 105, + 582, + 216, + 595 + ], + "spans": [ + { + "bbox": [ + 105, + 582, + 216, + 595 + ], + "score": 1.0, + "content": "expected (see Section 6.3).", + "type": "text" + } + ], + "index": 31 + } + ], + "index": 29 + }, + { + "type": "title", + "bbox": [ + 108, + 610, + 194, + 622 + ], + "lines": [ + { + "bbox": [ + 105, + 609, + 196, + 624 + ], + "spans": [ + { + "bbox": [ + 105, + 609, + 196, + 624 + ], + "score": 1.0, + "content": "6 EXPERIMENT", + "type": "text" + } + ], + "index": 32 + } + ], + "index": 32 + }, + { + "type": "title", + "bbox": [ + 107, + 635, + 313, + 647 + ], + "lines": [ + { + "bbox": [ + 105, + 634, + 315, + 648 + ], + "spans": [ + { + "bbox": [ + 105, + 634, + 315, + 648 + ], + "score": 1.0, + "content": "6.1 SYNTHESIS DATA: ONE-STEP TRANSITION", + "type": "text" + } + ], + "index": 33 + } + ], + "index": 33 + }, + { + "type": "text", + "bbox": [ + 107, + 655, + 505, + 701 + ], + "lines": [ + { + "bbox": [ + 105, + 655, + 506, + 669 + ], + "spans": [ + { + "bbox": [ + 105, + 655, + 293, + 669 + ], + "score": 1.0, + "content": "We numerically investigate how the transition", + "type": "text" + }, + { + "bbox": [ + 293, + 656, + 375, + 668 + ], + "score": 0.92, + "content": "f ( X ) : = \\sigma ( P X W )", + "type": "inline_equation" + }, + { + "bbox": [ + 375, + 655, + 506, + 669 + ], + "score": 1.0, + "content": "changes inputs using the vector", + "type": "text" + } + ], + "index": 34 + }, + { + "bbox": [ + 105, + 667, + 504, + 680 + ], + "spans": [ + { + "bbox": [ + 105, + 667, + 127, + 680 + ], + "score": 1.0, + "content": "field", + "type": "text" + }, + { + "bbox": [ + 127, + 667, + 219, + 680 + ], + "score": 0.93, + "content": "V ( X ) : = { f ( X ) } - { X ^ { 4 } }", + "type": "inline_equation" + }, + { + "bbox": [ + 220, + 667, + 326, + 680 + ], + "score": 1.0, + "content": ". For this purpose, we set", + "type": "text" + }, + { + "bbox": [ + 326, + 668, + 357, + 677 + ], + "score": 0.85, + "content": "N = 2", + "type": "inline_equation" + }, + { + "bbox": [ + 357, + 667, + 361, + 680 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 361, + 668, + 393, + 678 + ], + "score": 0.87, + "content": "M = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 393, + 667, + 415, + 680 + ], + "score": 1.0, + "content": ", and", + "type": "text" + }, + { + "bbox": [ + 415, + 668, + 444, + 678 + ], + "score": 0.9, + "content": "C = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 445, + 667, + 466, + 680 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 467, + 667, + 504, + 679 + ], + "score": 0.92, + "content": "\\lambda _ { 1 } \\leq \\lambda _ { 2 }", + "type": "inline_equation" + } + ], + "index": 35 + }, + { + "bbox": [ + 105, + 678, + 505, + 691 + ], + "spans": [ + { + "bbox": [ + 105, + 678, + 194, + 691 + ], + "score": 1.0, + "content": "be the eigenvalues of", + "type": "text" + }, + { + "bbox": [ + 194, + 680, + 203, + 688 + ], + "score": 0.81, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 203, + 678, + 255, + 691 + ], + "score": 1.0, + "content": ". We choose", + "type": "text" + }, + { + "bbox": [ + 255, + 679, + 267, + 689 + ], + "score": 0.73, + "content": "W", + "type": "inline_equation" + }, + { + "bbox": [ + 268, + 678, + 280, + 691 + ], + "score": 1.0, + "content": "as", + "type": "text" + }, + { + "bbox": [ + 280, + 678, + 374, + 690 + ], + "score": 0.9, + "content": "| \\lambda _ { 2 } | ^ { - 1 } \\le W < | \\lambda _ { 1 } | ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 374, + 678, + 505, + 691 + ], + "score": 1.0, + "content": "so that Theorem 1 is applicable", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 104, + 688, + 504, + 702 + ], + "spans": [ + { + "bbox": [ + 104, + 688, + 471, + 702 + ], + "score": 1.0, + "content": "but is not reduced to the trivial situation (see, Appendix E.2). We choose the eigenvector", + "type": "text" + }, + { + "bbox": [ + 472, + 689, + 504, + 700 + ], + "score": 0.92, + "content": "\\bar { \\boldsymbol { e } } \\in \\mathbb { R } ^ { 2 }", + "type": "inline_equation" + } + ], + "index": 37 + } + ], + "index": 35.5 + } + ], + "page_idx": 5, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 117, + 710, + 454, + 732 + ], + "lines": [ + { + "bbox": [ + 118, + 709, + 376, + 722 + ], + "spans": [ + { + "bbox": [ + 118, + 709, + 376, + 722 + ], + "score": 1.0, + "content": "3Chung et al. (2004) and Coja-Oghlan (2007) proved similar theorems.", + "type": "text" + } + ] + }, + { + "bbox": [ + 119, + 720, + 455, + 733 + ], + "spans": [ + { + "bbox": [ + 119, + 720, + 371, + 733 + ], + "score": 1.0, + "content": "4Since we consider the one-step transition only, we omit the subscript", + "type": "text" + }, + { + "bbox": [ + 371, + 722, + 375, + 730 + ], + "score": 0.68, + "content": "l", + "type": "inline_equation" + }, + { + "bbox": [ + 376, + 720, + 396, + 733 + ], + "score": 1.0, + "content": "from", + "type": "text" + }, + { + "bbox": [ + 396, + 721, + 419, + 732 + ], + "score": 0.76, + "content": "f _ { l } , X _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 420, + 720, + 438, + 733 + ], + "score": 1.0, + "content": ", and", + "type": "text" + }, + { + "bbox": [ + 438, + 721, + 451, + 731 + ], + "score": 0.86, + "content": "W _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 451, + 720, + 455, + 733 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 107, + 27, + 293, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 26, + 293, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 26, + 293, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 302, + 752, + 309, + 760 + ], + "lines": [ + { + "bbox": [ + 302, + 751, + 310, + 762 + ], + "spans": [ + { + "bbox": [ + 302, + 751, + 310, + 762 + ], + "score": 1.0, + "content": "6", + "type": "text" + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "image", + "bbox": [ + 150, + 88, + 448, + 207 + ], + "blocks": [ + { + "type": "image_body", + "bbox": [ + 150, + 88, + 448, + 207 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 150, + 88, + 448, + 207 + ], + "spans": [ + { + "bbox": [ + 150, + 88, + 448, + 207 + ], + "score": 0.966, + "type": "image", + "image_path": "52ed0a06decf73aeea33aba4d223d5646b9ee3b007a61062524feaa9a9984ba1.jpg" + } + ] + } + ], + "index": 1, + "virtual_lines": [ + { + "bbox": [ + 150, + 88, + 448, + 127.66666666666666 + ], + "spans": [], + "index": 0 + }, + { + "bbox": [ + 150, + 127.66666666666666, + 448, + 167.33333333333331 + ], + "spans": [], + "index": 1 + }, + { + "bbox": [ + 150, + 167.33333333333331, + 448, + 206.99999999999997 + ], + "spans": [], + "index": 2 + } + ] + }, + { + "type": "image_caption", + "bbox": [ + 107, + 225, + 505, + 259 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 105, + 224, + 505, + 238 + ], + "spans": [ + { + "bbox": [ + 105, + 224, + 257, + 238 + ], + "score": 1.0, + "content": "Figure 1: Visualization of vector field", + "type": "text" + }, + { + "bbox": [ + 257, + 225, + 340, + 237 + ], + "score": 0.93, + "content": "V ( X ) : = f ( X ) - X", + "type": "inline_equation" + }, + { + "bbox": [ + 340, + 224, + 505, + 238 + ], + "score": 1.0, + "content": "induced by the one-step transition. Color", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 106, + 236, + 504, + 249 + ], + "spans": [ + { + "bbox": [ + 106, + 236, + 242, + 249 + ], + "score": 1.0, + "content": "maps indicate the absolute value", + "type": "text" + }, + { + "bbox": [ + 242, + 237, + 273, + 249 + ], + "score": 0.93, + "content": "| V ( X ) |", + "type": "inline_equation" + }, + { + "bbox": [ + 273, + 236, + 324, + 249 + ], + "score": 1.0, + "content": "at the point", + "type": "text" + }, + { + "bbox": [ + 325, + 237, + 335, + 246 + ], + "score": 0.79, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 335, + 236, + 464, + 249 + ], + "score": 1.0, + "content": ". Dotted lines are the subspace", + "type": "text" + }, + { + "bbox": [ + 464, + 237, + 477, + 247 + ], + "score": 0.7, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 477, + 236, + 504, + 249 + ], + "score": 1.0, + "content": ". Left:", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 107, + 248, + 278, + 259 + ], + "spans": [ + { + "bbox": [ + 107, + 248, + 278, + 259 + ], + "score": 1.0, + "content": "Case 1. Right: Case 2. Best view in color.", + "type": "text" + } + ], + "index": 5 + } + ], + "index": 4 + } + ], + "index": 2.5 + }, + { + "type": "text", + "bbox": [ + 106, + 278, + 505, + 359 + ], + "lines": [ + { + "bbox": [ + 104, + 277, + 506, + 295 + ], + "spans": [ + { + "bbox": [ + 104, + 277, + 221, + 295 + ], + "score": 1.0, + "content": "For an Erdos – R ˝ enyi graph ´", + "type": "text" + }, + { + "bbox": [ + 221, + 281, + 243, + 293 + ], + "score": 0.91, + "content": "G _ { N , p }", + "type": "inline_equation" + }, + { + "bbox": [ + 244, + 277, + 432, + 295 + ], + "score": 1.0, + "content": ", Chung & Radcliffe (2011) showed that when", + "type": "text" + }, + { + "bbox": [ + 433, + 279, + 486, + 294 + ], + "score": 0.92, + "content": "\\begin{array} { r } { \\frac { \\log N } { N p } = o ( 1 ) } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 486, + 277, + 506, + 295 + ], + "score": 1.0, + "content": ", the", + "type": "text" + } + ], + "index": 6 + }, + { + "bbox": [ + 106, + 292, + 505, + 305 + ], + "spans": [ + { + "bbox": [ + 106, + 292, + 505, + 305 + ], + "score": 1.0, + "content": "eigenvalues of the (usual) normalized Laplacian except for the smallest one converge to 1 with high", + "type": "text" + } + ], + "index": 7 + }, + { + "bbox": [ + 104, + 303, + 505, + 317 + ], + "spans": [ + { + "bbox": [ + 104, + 303, + 505, + 317 + ], + "score": 1.0, + "content": "probability (see Theorem 2 therein)3. We can interpret this theorem as the convergence of Erdos- ˝", + "type": "text" + } + ], + "index": 8 + }, + { + "bbox": [ + 106, + 315, + 505, + 326 + ], + "spans": [ + { + "bbox": [ + 106, + 315, + 505, + 326 + ], + "score": 1.0, + "content": "Renyi graphs to the complete graph in terms of graph spectra. We can prove that the augmented ´", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 105, + 325, + 505, + 338 + ], + "spans": [ + { + "bbox": [ + 105, + 325, + 505, + 338 + ], + "score": 1.0, + "content": "normalized Laplacian behaves similarly (Lemma 6). By combining this fact with the discussion in", + "type": "text" + } + ], + "index": 10 + }, + { + "bbox": [ + 106, + 337, + 505, + 349 + ], + "spans": [ + { + "bbox": [ + 106, + 337, + 505, + 349 + ], + "score": 1.0, + "content": "the previous paragraph, we obtain the asymptotic behavior of GCNs on the Erdos – R ˝ enyi graph. ´", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 106, + 347, + 270, + 360 + ], + "spans": [ + { + "bbox": [ + 106, + 347, + 270, + 360 + ], + "score": 1.0, + "content": "See Appendix D for the complete proof.", + "type": "text" + } + ], + "index": 12 + } + ], + "index": 9, + "bbox_fs": [ + 104, + 277, + 506, + 360 + ] + }, + { + "type": "list", + "bbox": [ + 107, + 362, + 505, + 418 + ], + "lines": [ + { + "bbox": [ + 106, + 360, + 505, + 380 + ], + "spans": [ + { + "bbox": [ + 106, + 360, + 334, + 380 + ], + "score": 1.0, + "content": "Theorem 3. Consider a GCN on the Erdos-R ˝ enyi graph ´", + "type": "text" + }, + { + "bbox": [ + 334, + 365, + 357, + 377 + ], + "score": 0.91, + "content": "G _ { N , p }", + "type": "inline_equation" + }, + { + "bbox": [ + 357, + 360, + 397, + 380 + ], + "score": 1.0, + "content": "such that", + "type": "text" + }, + { + "bbox": [ + 397, + 362, + 450, + 379 + ], + "score": 0.93, + "content": "\\begin{array} { r } { \\frac { \\log N } { N p } = o ( 1 ) } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 450, + 360, + 505, + 380 + ], + "score": 1.0, + "content": "as a function", + "type": "text" + } + ], + "index": 13, + "is_list_start_line": true + }, + { + "bbox": [ + 105, + 376, + 506, + 389 + ], + "spans": [ + { + "bbox": [ + 105, + 376, + 117, + 389 + ], + "score": 1.0, + "content": "of", + "type": "text" + }, + { + "bbox": [ + 118, + 377, + 128, + 387 + ], + "score": 0.68, + "content": "N", + "type": "inline_equation" + }, + { + "bbox": [ + 128, + 376, + 169, + 389 + ], + "score": 1.0, + "content": ". For any", + "type": "text" + }, + { + "bbox": [ + 169, + 378, + 196, + 388 + ], + "score": 0.86, + "content": "\\varepsilon > 0", + "type": "inline_equation" + }, + { + "bbox": [ + 196, + 376, + 506, + 389 + ], + "score": 1.0, + "content": ", if the supremum s of the maximum singular values of weights in the GCN", + "type": "text" + } + ], + "index": 14, + "is_list_start_line": true + }, + { + "bbox": [ + 105, + 388, + 506, + 407 + ], + "spans": [ + { + "bbox": [ + 105, + 390, + 205, + 406 + ], + "score": 1.0, + "content": "satisfies s < s0 := 17 q", + "type": "text" + }, + { + "bbox": [ + 141, + 388, + 241, + 407 + ], + "score": 0.93, + "content": "\\begin{array} { r } { s < s _ { 0 } : = \\frac { 1 } { 7 } \\sqrt { \\frac { N p - p + 1 } { \\log ( 4 N / \\varepsilon ) } } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 243, + 391, + 352, + 405 + ], + "score": 1.0, + "content": "then, for sufficiently large", + "type": "text" + }, + { + "bbox": [ + 352, + 392, + 362, + 402 + ], + "score": 0.63, + "content": "N", + "type": "inline_equation" + }, + { + "bbox": [ + 362, + 391, + 506, + 405 + ], + "score": 1.0, + "content": ", the GCN satisfies the condition of", + "type": "text" + } + ], + "index": 15, + "is_list_start_line": true + }, + { + "bbox": [ + 241, + 396, + 246, + 408 + ], + "spans": [ + { + "bbox": [ + 241, + 396, + 246, + 408 + ], + "score": 1.0, + "content": ",", + "type": "text" + } + ], + "index": 16, + "is_list_end_line": true + }, + { + "bbox": [ + 106, + 405, + 276, + 420 + ], + "spans": [ + { + "bbox": [ + 106, + 405, + 249, + 420 + ], + "score": 1.0, + "content": "Theorem 2 with probability at least", + "type": "text" + }, + { + "bbox": [ + 249, + 407, + 272, + 417 + ], + "score": 0.87, + "content": "1 - \\varepsilon", + "type": "inline_equation" + }, + { + "bbox": [ + 272, + 405, + 276, + 420 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 17, + "is_list_start_line": true, + "is_list_end_line": true + } + ], + "index": 15, + "bbox_fs": [ + 105, + 360, + 506, + 420 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 427, + 505, + 471 + ], + "lines": [ + { + "bbox": [ + 105, + 427, + 505, + 440 + ], + "spans": [ + { + "bbox": [ + 105, + 427, + 505, + 440 + ], + "score": 1.0, + "content": "Theorem 3 requires that an underlying graph is not extremely sparse. For example, suppose the", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 105, + 437, + 505, + 451 + ], + "spans": [ + { + "bbox": [ + 105, + 437, + 155, + 451 + ], + "score": 1.0, + "content": "node size is", + "type": "text" + }, + { + "bbox": [ + 156, + 438, + 208, + 449 + ], + "score": 0.77, + "content": "N = 2 0 , 0 0 0", + "type": "inline_equation" + }, + { + "bbox": [ + 209, + 437, + 505, + 451 + ], + "score": 1.0, + "content": ", which is the approximately the maximum node size of datasets we use in", + "type": "text" + } + ], + "index": 19 + }, + { + "bbox": [ + 105, + 449, + 504, + 461 + ], + "spans": [ + { + "bbox": [ + 105, + 449, + 268, + 461 + ], + "score": 1.0, + "content": "experiments, and the edge probability is", + "type": "text" + }, + { + "bbox": [ + 269, + 449, + 325, + 461 + ], + "score": 0.93, + "content": "p = \\log N / N", + "type": "inline_equation" + }, + { + "bbox": [ + 325, + 449, + 462, + 461 + ], + "score": 1.0, + "content": ". Then, each node has the order of", + "type": "text" + }, + { + "bbox": [ + 462, + 450, + 504, + 461 + ], + "score": 0.91, + "content": "N p \\approx 4 . 3", + "type": "inline_equation" + } + ], + "index": 20 + }, + { + "bbox": [ + 106, + 461, + 171, + 472 + ], + "spans": [ + { + "bbox": [ + 106, + 461, + 171, + 472 + ], + "score": 1.0, + "content": "adjacent nodes.", + "type": "text" + } + ], + "index": 21 + } + ], + "index": 19.5, + "bbox_fs": [ + 105, + 427, + 505, + 472 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 477, + 505, + 532 + ], + "lines": [ + { + "bbox": [ + 106, + 477, + 504, + 489 + ], + "spans": [ + { + "bbox": [ + 106, + 477, + 315, + 489 + ], + "score": 1.0, + "content": "Under the condition of Theorem 3, the upper bound", + "type": "text" + }, + { + "bbox": [ + 315, + 479, + 351, + 488 + ], + "score": 0.89, + "content": "s _ { 0 } \\to \\infty", + "type": "inline_equation" + }, + { + "bbox": [ + 351, + 477, + 362, + 489 + ], + "score": 1.0, + "content": "as", + "type": "text" + }, + { + "bbox": [ + 363, + 478, + 398, + 487 + ], + "score": 0.91, + "content": "N \\to \\infty", + "type": "inline_equation" + }, + { + "bbox": [ + 399, + 477, + 504, + 489 + ], + "score": 1.0, + "content": ". It means that if the graph", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 105, + 488, + 505, + 500 + ], + "spans": [ + { + "bbox": [ + 105, + 488, + 505, + 500 + ], + "score": 1.0, + "content": "is sufficiently large and not extremely sparse, most GCNs suffer from the information loss. For the", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 105, + 498, + 506, + 511 + ], + "spans": [ + { + "bbox": [ + 105, + 498, + 252, + 511 + ], + "score": 1.0, + "content": "dependence on the edge probability", + "type": "text" + }, + { + "bbox": [ + 253, + 501, + 259, + 511 + ], + "score": 0.4, + "content": "p", + "type": "inline_equation" + }, + { + "bbox": [ + 259, + 498, + 263, + 511 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 263, + 501, + 273, + 510 + ], + "score": 0.63, + "content": "s _ { 0 }", + "type": "inline_equation" + }, + { + "bbox": [ + 274, + 498, + 388, + 511 + ], + "score": 1.0, + "content": "is an increasing function of", + "type": "text" + }, + { + "bbox": [ + 388, + 501, + 394, + 510 + ], + "score": 0.78, + "content": "p", + "type": "inline_equation" + }, + { + "bbox": [ + 395, + 498, + 506, + 511 + ], + "score": 1.0, + "content": ", which means the denser a", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 105, + 510, + 506, + 523 + ], + "spans": [ + { + "bbox": [ + 105, + 510, + 506, + 523 + ], + "score": 1.0, + "content": "graph is, the more quickly graph convolution operations mix signals on nodes and move them close", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 105, + 521, + 162, + 532 + ], + "spans": [ + { + "bbox": [ + 105, + 521, + 162, + 532 + ], + "score": 1.0, + "content": "to each other.", + "type": "text" + } + ], + "index": 26 + } + ], + "index": 24, + "bbox_fs": [ + 105, + 477, + 506, + 532 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 537, + 505, + 593 + ], + "lines": [ + { + "bbox": [ + 106, + 537, + 505, + 551 + ], + "spans": [ + { + "bbox": [ + 106, + 537, + 505, + 551 + ], + "score": 1.0, + "content": "Theorem 3 implies that graph NNs perform poorly on dense NNs. More aggressively, we can hy-", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 105, + 549, + 505, + 561 + ], + "spans": [ + { + "bbox": [ + 105, + 549, + 505, + 561 + ], + "score": 1.0, + "content": "pothesize that the sparsity of practically available graphs is one of the reasons for the success of", + "type": "text" + } + ], + "index": 28 + }, + { + "bbox": [ + 105, + 559, + 505, + 573 + ], + "spans": [ + { + "bbox": [ + 105, + 559, + 505, + 573 + ], + "score": 1.0, + "content": "graph NNs in node classification tasks. To confirm this hypothesis, we artificially add edges to ci-", + "type": "text" + } + ], + "index": 29 + }, + { + "bbox": [ + 105, + 569, + 506, + 585 + ], + "spans": [ + { + "bbox": [ + 105, + 569, + 506, + 585 + ], + "score": 1.0, + "content": "tation networks to make them dense in the experiments and observe the failure of graph NNs as", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 105, + 582, + 216, + 595 + ], + "spans": [ + { + "bbox": [ + 105, + 582, + 216, + 595 + ], + "score": 1.0, + "content": "expected (see Section 6.3).", + "type": "text" + } + ], + "index": 31 + } + ], + "index": 29, + "bbox_fs": [ + 105, + 537, + 506, + 595 + ] + }, + { + "type": "title", + "bbox": [ + 108, + 610, + 194, + 622 + ], + "lines": [ + { + "bbox": [ + 105, + 609, + 196, + 624 + ], + "spans": [ + { + "bbox": [ + 105, + 609, + 196, + 624 + ], + "score": 1.0, + "content": "6 EXPERIMENT", + "type": "text" + } + ], + "index": 32 + } + ], + "index": 32 + }, + { + "type": "title", + "bbox": [ + 107, + 635, + 313, + 647 + ], + "lines": [ + { + "bbox": [ + 105, + 634, + 315, + 648 + ], + "spans": [ + { + "bbox": [ + 105, + 634, + 315, + 648 + ], + "score": 1.0, + "content": "6.1 SYNTHESIS DATA: ONE-STEP TRANSITION", + "type": "text" + } + ], + "index": 33 + } + ], + "index": 33 + }, + { + "type": "text", + "bbox": [ + 107, + 655, + 505, + 701 + ], + "lines": [ + { + "bbox": [ + 105, + 655, + 506, + 669 + ], + "spans": [ + { + "bbox": [ + 105, + 655, + 293, + 669 + ], + "score": 1.0, + "content": "We numerically investigate how the transition", + "type": "text" + }, + { + "bbox": [ + 293, + 656, + 375, + 668 + ], + "score": 0.92, + "content": "f ( X ) : = \\sigma ( P X W )", + "type": "inline_equation" + }, + { + "bbox": [ + 375, + 655, + 506, + 669 + ], + "score": 1.0, + "content": "changes inputs using the vector", + "type": "text" + } + ], + "index": 34 + }, + { + "bbox": [ + 105, + 667, + 504, + 680 + ], + "spans": [ + { + "bbox": [ + 105, + 667, + 127, + 680 + ], + "score": 1.0, + "content": "field", + "type": "text" + }, + { + "bbox": [ + 127, + 667, + 219, + 680 + ], + "score": 0.93, + "content": "V ( X ) : = { f ( X ) } - { X ^ { 4 } }", + "type": "inline_equation" + }, + { + "bbox": [ + 220, + 667, + 326, + 680 + ], + "score": 1.0, + "content": ". For this purpose, we set", + "type": "text" + }, + { + "bbox": [ + 326, + 668, + 357, + 677 + ], + "score": 0.85, + "content": "N = 2", + "type": "inline_equation" + }, + { + "bbox": [ + 357, + 667, + 361, + 680 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 361, + 668, + 393, + 678 + ], + "score": 0.87, + "content": "M = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 393, + 667, + 415, + 680 + ], + "score": 1.0, + "content": ", and", + "type": "text" + }, + { + "bbox": [ + 415, + 668, + 444, + 678 + ], + "score": 0.9, + "content": "C = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 445, + 667, + 466, + 680 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 467, + 667, + 504, + 679 + ], + "score": 0.92, + "content": "\\lambda _ { 1 } \\leq \\lambda _ { 2 }", + "type": "inline_equation" + } + ], + "index": 35 + }, + { + "bbox": [ + 105, + 678, + 505, + 691 + ], + "spans": [ + { + "bbox": [ + 105, + 678, + 194, + 691 + ], + "score": 1.0, + "content": "be the eigenvalues of", + "type": "text" + }, + { + "bbox": [ + 194, + 680, + 203, + 688 + ], + "score": 0.81, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 203, + 678, + 255, + 691 + ], + "score": 1.0, + "content": ". We choose", + "type": "text" + }, + { + "bbox": [ + 255, + 679, + 267, + 689 + ], + "score": 0.73, + "content": "W", + "type": "inline_equation" + }, + { + "bbox": [ + 268, + 678, + 280, + 691 + ], + "score": 1.0, + "content": "as", + "type": "text" + }, + { + "bbox": [ + 280, + 678, + 374, + 690 + ], + "score": 0.9, + "content": "| \\lambda _ { 2 } | ^ { - 1 } \\le W < | \\lambda _ { 1 } | ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 374, + 678, + 505, + 691 + ], + "score": 1.0, + "content": "so that Theorem 1 is applicable", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 104, + 688, + 504, + 702 + ], + "spans": [ + { + "bbox": [ + 104, + 688, + 471, + 702 + ], + "score": 1.0, + "content": "but is not reduced to the trivial situation (see, Appendix E.2). We choose the eigenvector", + "type": "text" + }, + { + "bbox": [ + 472, + 689, + 504, + 700 + ], + "score": 0.92, + "content": "\\bar { \\boldsymbol { e } } \\in \\mathbb { R } ^ { 2 }", + "type": "inline_equation" + } + ], + "index": 37 + }, + { + "bbox": [ + 105, + 464, + 505, + 477 + ], + "spans": [ + { + "bbox": [ + 105, + 464, + 170, + 477 + ], + "score": 1.0, + "content": "associated with", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 170, + 465, + 181, + 476 + ], + "score": 0.87, + "content": "\\lambda _ { 2 }", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 182, + 464, + 492, + 477 + ], + "score": 1.0, + "content": "in two ways as described below. See Appendix H.1 for the concrete values of", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 492, + 465, + 501, + 475 + ], + "score": 0.8, + "content": "P", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 501, + 464, + 505, + 477 + ], + "score": 1.0, + "content": ",", + "type": "text", + "cross_page": true + } + ], + "index": 13 + }, + { + "bbox": [ + 106, + 476, + 504, + 488 + ], + "spans": [ + { + "bbox": [ + 106, + 478, + 112, + 486 + ], + "score": 0.61, + "content": "e", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 113, + 476, + 133, + 488 + ], + "score": 1.0, + "content": ", and", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 134, + 476, + 146, + 486 + ], + "score": 0.72, + "content": "W", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 146, + 476, + 296, + 488 + ], + "score": 1.0, + "content": ". Figure 1 shows the visualization of", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 296, + 476, + 305, + 486 + ], + "score": 0.63, + "content": "V", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 306, + 476, + 498, + 488 + ], + "score": 1.0, + "content": ". First, we choose the non-negative eigenvector", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 498, + 478, + 504, + 486 + ], + "score": 0.67, + "content": "e", + "type": "inline_equation", + "cross_page": true + } + ], + "index": 14 + }, + { + "bbox": [ + 105, + 485, + 506, + 500 + ], + "spans": [ + { + "bbox": [ + 105, + 485, + 413, + 500 + ], + "score": 1.0, + "content": "so that it satisfies Assumption 1 (Case 1). We see that the transition function", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 414, + 487, + 421, + 498 + ], + "score": 0.85, + "content": "f", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 421, + 485, + 506, + 500 + ], + "score": 1.0, + "content": "uniformly decreases", + "type": "text", + "cross_page": true + } + ], + "index": 15 + }, + { + "bbox": [ + 105, + 497, + 505, + 511 + ], + "spans": [ + { + "bbox": [ + 105, + 497, + 181, + 511 + ], + "score": 1.0, + "content": "the distance from", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 182, + 498, + 195, + 508 + ], + "score": 0.8, + "content": "\\mathcal { M }", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 195, + 497, + 505, + 511 + ], + "score": 1.0, + "content": ". This is consistent with the consequence of Theorem 1. Next, we choose", + "type": "text", + "cross_page": true + } + ], + "index": 16 + }, + { + "bbox": [ + 105, + 508, + 506, + 525 + ], + "spans": [ + { + "bbox": [ + 105, + 510, + 172, + 525 + ], + "score": 1.0, + "content": "the eigenvector", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 172, + 508, + 236, + 523 + ], + "score": 0.93, + "content": "\\boldsymbol { e } = \\left[ e _ { 1 } \\quad e _ { 2 } \\right] ^ { \\intercal }", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 236, + 510, + 331, + 525 + ], + "score": 1.0, + "content": "such that the signs of", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 331, + 513, + 342, + 522 + ], + "score": 0.84, + "content": "e _ { 1 }", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 342, + 510, + 362, + 525 + ], + "score": 1.0, + "content": "and", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 362, + 512, + 373, + 522 + ], + "score": 0.84, + "content": "e _ { 2 }", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 374, + 510, + 506, + 525 + ], + "score": 1.0, + "content": "differ (Case 2), which violates", + "type": "text", + "cross_page": true + } + ], + "index": 17 + }, + { + "bbox": [ + 106, + 522, + 505, + 534 + ], + "spans": [ + { + "bbox": [ + 106, + 522, + 225, + 534 + ], + "score": 1.0, + "content": "Assumption 1. We see that", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 225, + 523, + 238, + 532 + ], + "score": 0.81, + "content": "\\mathcal { M }", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 239, + 522, + 332, + 534 + ], + "score": 1.0, + "content": "is not invariant under", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 333, + 523, + 340, + 534 + ], + "score": 0.85, + "content": "f", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 340, + 522, + 360, + 534 + ], + "score": 1.0, + "content": "and", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 360, + 523, + 368, + 533 + ], + "score": 0.85, + "content": "f", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 368, + 522, + 505, + 534 + ], + "score": 1.0, + "content": "does not uniformly decrease the", + "type": "text", + "cross_page": true + } + ], + "index": 18 + }, + { + "bbox": [ + 105, + 532, + 494, + 545 + ], + "spans": [ + { + "bbox": [ + 105, + 532, + 163, + 545 + ], + "score": 1.0, + "content": "distance from", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 164, + 533, + 177, + 543 + ], + "score": 0.79, + "content": "\\mathcal { M }", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 177, + 532, + 494, + 545 + ], + "score": 1.0, + "content": ". Therefore, we cannot remove the non-negativity assumption from Theorem 1.", + "type": "text", + "cross_page": true + } + ], + "index": 19 + } + ], + "index": 35.5, + "bbox_fs": [ + 104, + 655, + 506, + 702 + ] + } + ] + }, + { + "preproc_blocks": [ + { + "type": "image", + "bbox": [ + 151, + 85, + 459, + 207 + ], + "blocks": [ + { + "type": "image_body", + "bbox": [ + 151, + 85, + 459, + 207 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 151, + 85, + 459, + 207 + ], + "spans": [ + { + "bbox": [ + 151, + 85, + 459, + 207 + ], + "score": 0.97, + "type": "image", + "image_path": "2aeca4d04f65609a1fa1584f41938b2120f8df09b7dfae3a4549ab38b22e533d.jpg" + } + ] + } + ], + "index": 1, + "virtual_lines": [ + { + "bbox": [ + 151, + 85, + 459, + 125.66666666666666 + ], + "spans": [], + "index": 0 + }, + { + "bbox": [ + 151, + 125.66666666666666, + 459, + 166.33333333333331 + ], + "spans": [], + "index": 1 + }, + { + "bbox": [ + 151, + 166.33333333333331, + 459, + 206.99999999999997 + ], + "spans": [], + "index": 2 + } + ] + }, + { + "type": "image_caption", + "bbox": [ + 106, + 225, + 505, + 262 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 105, + 225, + 505, + 237 + ], + "spans": [ + { + "bbox": [ + 105, + 225, + 317, + 237 + ], + "score": 1.0, + "content": "Figure 2: The actual distances to the invariant space", + "type": "text" + }, + { + "bbox": [ + 318, + 226, + 331, + 235 + ], + "score": 0.79, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 331, + 225, + 505, + 237 + ], + "score": 1.0, + "content": "and their upper bounds. Solid lines are the", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 104, + 236, + 506, + 251 + ], + "spans": [ + { + "bbox": [ + 104, + 236, + 232, + 251 + ], + "score": 1.0, + "content": "log relative distance defined by", + "type": "text" + }, + { + "bbox": [ + 232, + 236, + 372, + 250 + ], + "score": 0.91, + "content": "y ( l ) = \\log ( d _ { \\mathcal { M } } ( \\mathbf { \\bar { { X } } } ^ { ( l ) } ) / d _ { \\mathcal { M } } ( X ^ { ( 0 ) } ) )", + "type": "inline_equation" + }, + { + "bbox": [ + 372, + 236, + 506, + 251 + ], + "score": 1.0, + "content": "and dotted lines are upper bound", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 106, + 248, + 456, + 264 + ], + "spans": [ + { + "bbox": [ + 106, + 249, + 173, + 262 + ], + "score": 0.92, + "content": "y ( l ) = l \\log ( s \\lambda )", + "type": "inline_equation" + }, + { + "bbox": [ + 173, + 248, + 203, + 264 + ], + "score": 1.0, + "content": ", where", + "type": "text" + }, + { + "bbox": [ + 204, + 249, + 224, + 260 + ], + "score": 0.91, + "content": "X ^ { ( 0 ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 225, + 248, + 316, + 264 + ], + "score": 1.0, + "content": "is the input signal and", + "type": "text" + }, + { + "bbox": [ + 316, + 249, + 335, + 260 + ], + "score": 0.89, + "content": "X ^ { ( l ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 335, + 248, + 414, + 264 + ], + "score": 1.0, + "content": "is the output of the", + "type": "text" + }, + { + "bbox": [ + 414, + 250, + 418, + 260 + ], + "score": 0.44, + "content": "l", + "type": "inline_equation" + }, + { + "bbox": [ + 419, + 248, + 456, + 264 + ], + "score": 1.0, + "content": "-th layer.", + "type": "text" + } + ], + "index": 5 + } + ], + "index": 4 + } + ], + "index": 2.5 + }, + { + "type": "image", + "bbox": [ + 109, + 276, + 497, + 385 + ], + "blocks": [ + { + "type": "image_body", + "bbox": [ + 109, + 276, + 497, + 385 + ], + "group_id": 1, + "lines": [ + { + "bbox": [ + 109, + 276, + 497, + 385 + ], + "spans": [ + { + "bbox": [ + 109, + 276, + 497, + 385 + ], + "score": 0.963, + "type": "image", + "image_path": "8900fa8d6997b22156aeea03d2008a13643ccde54ceb13a5e4d7e973496948c4.jpg" + } + ] + } + ], + "index": 7, + "virtual_lines": [ + { + "bbox": [ + 109, + 276, + 497, + 312.3333333333333 + ], + "spans": [], + "index": 6 + }, + { + "bbox": [ + 109, + 312.3333333333333, + 497, + 348.66666666666663 + ], + "spans": [], + "index": 7 + }, + { + "bbox": [ + 109, + 348.66666666666663, + 497, + 384.99999999999994 + ], + "spans": [], + "index": 8 + } + ] + }, + { + "type": "image_caption", + "bbox": [ + 106, + 399, + 505, + 444 + ], + "group_id": 1, + "lines": [ + { + "bbox": [ + 105, + 399, + 505, + 412 + ], + "spans": [ + { + "bbox": [ + 105, + 399, + 505, + 412 + ], + "score": 1.0, + "content": "Figure 3: Node prediction results on Noisy Cora. Left: Effect of the maximum singular values on", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 106, + 411, + 505, + 423 + ], + "spans": [ + { + "bbox": [ + 106, + 411, + 448, + 423 + ], + "score": 1.0, + "content": "weights on model performance. The horizontal dotted line indicates the chance rate", + "type": "text" + }, + { + "bbox": [ + 448, + 411, + 481, + 422 + ], + "score": 0.88, + "content": "( 3 0 . 2 \\% )", + "type": "inline_equation" + }, + { + "bbox": [ + 481, + 411, + 505, + 423 + ], + "score": 1.0, + "content": ". The", + "type": "text" + } + ], + "index": 10 + }, + { + "bbox": [ + 105, + 421, + 505, + 435 + ], + "spans": [ + { + "bbox": [ + 105, + 421, + 505, + 435 + ], + "score": 1.0, + "content": "error bar is the standard deviation of 3 trials. Right: Transition of maximum singular values during", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 105, + 433, + 419, + 444 + ], + "spans": [ + { + "bbox": [ + 105, + 433, + 419, + 444 + ], + "score": 1.0, + "content": "training. See Appendix I.3 for results using other datasets. Best view in color.", + "type": "text" + } + ], + "index": 12 + } + ], + "index": 10.5 + } + ], + "index": 8.75 + }, + { + "type": "text", + "bbox": [ + 106, + 464, + 505, + 544 + ], + "lines": [ + { + "bbox": [ + 105, + 464, + 505, + 477 + ], + "spans": [ + { + "bbox": [ + 105, + 464, + 170, + 477 + ], + "score": 1.0, + "content": "associated with", + "type": "text" + }, + { + "bbox": [ + 170, + 465, + 181, + 476 + ], + "score": 0.87, + "content": "\\lambda _ { 2 }", + "type": "inline_equation" + }, + { + "bbox": [ + 182, + 464, + 492, + 477 + ], + "score": 1.0, + "content": "in two ways as described below. See Appendix H.1 for the concrete values of", + "type": "text" + }, + { + "bbox": [ + 492, + 465, + 501, + 475 + ], + "score": 0.8, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 464, + 505, + 477 + ], + "score": 1.0, + "content": ",", + "type": "text" + } + ], + "index": 13 + }, + { + "bbox": [ + 106, + 476, + 504, + 488 + ], + "spans": [ + { + "bbox": [ + 106, + 478, + 112, + 486 + ], + "score": 0.61, + "content": "e", + "type": "inline_equation" + }, + { + "bbox": [ + 113, + 476, + 133, + 488 + ], + "score": 1.0, + "content": ", and", + "type": "text" + }, + { + "bbox": [ + 134, + 476, + 146, + 486 + ], + "score": 0.72, + "content": "W", + "type": "inline_equation" + }, + { + "bbox": [ + 146, + 476, + 296, + 488 + ], + "score": 1.0, + "content": ". Figure 1 shows the visualization of", + "type": "text" + }, + { + "bbox": [ + 296, + 476, + 305, + 486 + ], + "score": 0.63, + "content": "V", + "type": "inline_equation" + }, + { + "bbox": [ + 306, + 476, + 498, + 488 + ], + "score": 1.0, + "content": ". First, we choose the non-negative eigenvector", + "type": "text" + }, + { + "bbox": [ + 498, + 478, + 504, + 486 + ], + "score": 0.67, + "content": "e", + "type": "inline_equation" + } + ], + "index": 14 + }, + { + "bbox": [ + 105, + 485, + 506, + 500 + ], + "spans": [ + { + "bbox": [ + 105, + 485, + 413, + 500 + ], + "score": 1.0, + "content": "so that it satisfies Assumption 1 (Case 1). We see that the transition function", + "type": "text" + }, + { + "bbox": [ + 414, + 487, + 421, + 498 + ], + "score": 0.85, + "content": "f", + "type": "inline_equation" + }, + { + "bbox": [ + 421, + 485, + 506, + 500 + ], + "score": 1.0, + "content": "uniformly decreases", + "type": "text" + } + ], + "index": 15 + }, + { + "bbox": [ + 105, + 497, + 505, + 511 + ], + "spans": [ + { + "bbox": [ + 105, + 497, + 181, + 511 + ], + "score": 1.0, + "content": "the distance from", + "type": "text" + }, + { + "bbox": [ + 182, + 498, + 195, + 508 + ], + "score": 0.8, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 195, + 497, + 505, + 511 + ], + "score": 1.0, + "content": ". This is consistent with the consequence of Theorem 1. Next, we choose", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 105, + 508, + 506, + 525 + ], + "spans": [ + { + "bbox": [ + 105, + 510, + 172, + 525 + ], + "score": 1.0, + "content": "the eigenvector", + "type": "text" + }, + { + "bbox": [ + 172, + 508, + 236, + 523 + ], + "score": 0.93, + "content": "\\boldsymbol { e } = \\left[ e _ { 1 } \\quad e _ { 2 } \\right] ^ { \\intercal }", + "type": "inline_equation" + }, + { + "bbox": [ + 236, + 510, + 331, + 525 + ], + "score": 1.0, + "content": "such that the signs of", + "type": "text" + }, + { + "bbox": [ + 331, + 513, + 342, + 522 + ], + "score": 0.84, + "content": "e _ { 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 342, + 510, + 362, + 525 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 362, + 512, + 373, + 522 + ], + "score": 0.84, + "content": "e _ { 2 }", + "type": "inline_equation" + }, + { + "bbox": [ + 374, + 510, + 506, + 525 + ], + "score": 1.0, + "content": "differ (Case 2), which violates", + "type": "text" + } + ], + "index": 17 + }, + { + "bbox": [ + 106, + 522, + 505, + 534 + ], + "spans": [ + { + "bbox": [ + 106, + 522, + 225, + 534 + ], + "score": 1.0, + "content": "Assumption 1. We see that", + "type": "text" + }, + { + "bbox": [ + 225, + 523, + 238, + 532 + ], + "score": 0.81, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 239, + 522, + 332, + 534 + ], + "score": 1.0, + "content": "is not invariant under", + "type": "text" + }, + { + "bbox": [ + 333, + 523, + 340, + 534 + ], + "score": 0.85, + "content": "f", + "type": "inline_equation" + }, + { + "bbox": [ + 340, + 522, + 360, + 534 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 360, + 523, + 368, + 533 + ], + "score": 0.85, + "content": "f", + "type": "inline_equation" + }, + { + "bbox": [ + 368, + 522, + 505, + 534 + ], + "score": 1.0, + "content": "does not uniformly decrease the", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 105, + 532, + 494, + 545 + ], + "spans": [ + { + "bbox": [ + 105, + 532, + 163, + 545 + ], + "score": 1.0, + "content": "distance from", + "type": "text" + }, + { + "bbox": [ + 164, + 533, + 177, + 543 + ], + "score": 0.79, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 177, + 532, + 494, + 545 + ], + "score": 1.0, + "content": ". Therefore, we cannot remove the non-negativity assumption from Theorem 1.", + "type": "text" + } + ], + "index": 19 + } + ], + "index": 16 + }, + { + "type": "title", + "bbox": [ + 105, + 557, + 352, + 569 + ], + "lines": [ + { + "bbox": [ + 106, + 557, + 352, + 570 + ], + "spans": [ + { + "bbox": [ + 106, + 557, + 352, + 570 + ], + "score": 1.0, + "content": "6.2 SYNTHESIS DATA: DISTANCE TO INVARIANT SPACE", + "type": "text" + } + ], + "index": 20 + } + ], + "index": 20 + }, + { + "type": "text", + "bbox": [ + 106, + 578, + 505, + 665 + ], + "lines": [ + { + "bbox": [ + 106, + 578, + 505, + 591 + ], + "spans": [ + { + "bbox": [ + 106, + 578, + 297, + 591 + ], + "score": 1.0, + "content": "We evaluate the distance to the invariant space", + "type": "text" + }, + { + "bbox": [ + 297, + 579, + 311, + 589 + ], + "score": 0.78, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 311, + 578, + 505, + 591 + ], + "score": 1.0, + "content": "using synthesis data. We randomly generate an", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 106, + 589, + 505, + 603 + ], + "spans": [ + { + "bbox": [ + 106, + 589, + 321, + 603 + ], + "score": 1.0, + "content": "Erdos – R ˝ enyi graph, a GCN on it, and an input signal ´", + "type": "text" + }, + { + "bbox": [ + 321, + 590, + 341, + 601 + ], + "score": 0.91, + "content": "X ^ { ( 0 ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 342, + 589, + 496, + 603 + ], + "score": 1.0, + "content": ". We compute the distance between the", + "type": "text" + }, + { + "bbox": [ + 496, + 591, + 500, + 600 + ], + "score": 0.64, + "content": "l", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 589, + 505, + 603 + ], + "score": 1.0, + "content": "-", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 105, + 601, + 506, + 615 + ], + "spans": [ + { + "bbox": [ + 105, + 601, + 197, + 615 + ], + "score": 1.0, + "content": "th intermediate output", + "type": "text" + }, + { + "bbox": [ + 197, + 601, + 216, + 612 + ], + "score": 0.9, + "content": "X ^ { ( l ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 216, + 601, + 311, + 615 + ], + "score": 1.0, + "content": "and the invariant space", + "type": "text" + }, + { + "bbox": [ + 311, + 603, + 324, + 613 + ], + "score": 0.76, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 324, + 601, + 438, + 615 + ], + "score": 1.0, + "content": "for various edge probability", + "type": "text" + }, + { + "bbox": [ + 438, + 604, + 444, + 614 + ], + "score": 0.77, + "content": "p", + "type": "inline_equation" + }, + { + "bbox": [ + 445, + 601, + 506, + 615 + ], + "score": 1.0, + "content": "and maximum", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 102, + 610, + 506, + 635 + ], + "spans": [ + { + "bbox": [ + 102, + 610, + 487, + 635 + ], + "score": 1.0, + "content": "singular value s. Figure 2 plots the logarithm of the relative distance y(l) = log dM(X(l))dM(X(0))", + "type": "text" + }, + { + "bbox": [ + 483, + 616, + 506, + 630 + ], + "score": 1.0, + "content": "with", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 105, + 631, + 505, + 644 + ], + "spans": [ + { + "bbox": [ + 105, + 631, + 208, + 644 + ], + "score": 1.0, + "content": "respect to the layer index", + "type": "text" + }, + { + "bbox": [ + 208, + 631, + 213, + 641 + ], + "score": 0.31, + "content": "l", + "type": "inline_equation" + }, + { + "bbox": [ + 213, + 631, + 435, + 644 + ], + "score": 1.0, + "content": ". From Theorem 1, we know that it is upper bounded by", + "type": "text" + }, + { + "bbox": [ + 435, + 632, + 501, + 643 + ], + "score": 0.9, + "content": "y ( l ) = l \\log ( s \\lambda )", + "type": "inline_equation" + }, + { + "bbox": [ + 502, + 631, + 505, + 644 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 106, + 641, + 505, + 654 + ], + "spans": [ + { + "bbox": [ + 106, + 641, + 362, + 654 + ], + "score": 1.0, + "content": "We see that this bound well approximates the actual value when", + "type": "text" + }, + { + "bbox": [ + 363, + 643, + 375, + 652 + ], + "score": 0.85, + "content": "s \\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 375, + 641, + 505, + 654 + ], + "score": 1.0, + "content": "is small. On the other hand, it is", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 106, + 653, + 448, + 665 + ], + "spans": [ + { + "bbox": [ + 106, + 653, + 166, + 665 + ], + "score": 1.0, + "content": "loose for large", + "type": "text" + }, + { + "bbox": [ + 167, + 654, + 178, + 663 + ], + "score": 0.76, + "content": "s \\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 178, + 653, + 295, + 665 + ], + "score": 1.0, + "content": ". We leave tighter bounds for", + "type": "text" + }, + { + "bbox": [ + 295, + 654, + 311, + 664 + ], + "score": 0.9, + "content": "d _ { \\mathcal { M } }", + "type": "inline_equation" + }, + { + "bbox": [ + 311, + 653, + 448, + 665 + ], + "score": 1.0, + "content": "in such a case for future research.", + "type": "text" + } + ], + "index": 27 + } + ], + "index": 24 + }, + { + "type": "title", + "bbox": [ + 108, + 678, + 451, + 689 + ], + "lines": [ + { + "bbox": [ + 105, + 677, + 453, + 691 + ], + "spans": [ + { + "bbox": [ + 105, + 677, + 453, + 691 + ], + "score": 1.0, + "content": "6.3 REAL DATA: EFFECT OF MAXIMUM SINGULAR VALUES ON PERFORMANCE", + "type": "text" + } + ], + "index": 28 + } + ], + "index": 28 + }, + { + "type": "text", + "bbox": [ + 108, + 698, + 504, + 732 + ], + "lines": [ + { + "bbox": [ + 106, + 698, + 505, + 711 + ], + "spans": [ + { + "bbox": [ + 106, + 698, + 208, + 711 + ], + "score": 1.0, + "content": "Theorem 2 implies that if", + "type": "text" + }, + { + "bbox": [ + 208, + 701, + 214, + 709 + ], + "score": 0.77, + "content": "s", + "type": "inline_equation" + }, + { + "bbox": [ + 214, + 698, + 327, + 711 + ], + "score": 1.0, + "content": "is smaller than the threshold", + "type": "text" + }, + { + "bbox": [ + 328, + 699, + 345, + 709 + ], + "score": 0.89, + "content": "\\lambda ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 345, + 698, + 505, + 711 + ], + "score": 1.0, + "content": ", we cannot expect deep GCN to achieve", + "type": "text" + } + ], + "index": 29 + }, + { + "bbox": [ + 105, + 709, + 506, + 722 + ], + "spans": [ + { + "bbox": [ + 105, + 709, + 427, + 722 + ], + "score": 1.0, + "content": "good prediction accuracy. Conversely, if we can successfully train the model,", + "type": "text" + }, + { + "bbox": [ + 428, + 712, + 434, + 720 + ], + "score": 0.69, + "content": "s", + "type": "inline_equation" + }, + { + "bbox": [ + 434, + 709, + 506, + 722 + ], + "score": 1.0, + "content": "should avoid the", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 105, + 720, + 419, + 734 + ], + "spans": [ + { + "bbox": [ + 105, + 720, + 134, + 734 + ], + "score": 1.0, + "content": "region", + "type": "text" + }, + { + "bbox": [ + 135, + 720, + 169, + 731 + ], + "score": 0.92, + "content": "s \\leq \\lambda ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 170, + 720, + 419, + 734 + ], + "score": 1.0, + "content": ". We empirically confirm these hypotheses using real datasets.", + "type": "text" + } + ], + "index": 31 + } + ], + "index": 30 + } + ], + "page_idx": 6, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 107, + 27, + 293, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 26, + 293, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 26, + 293, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 302, + 751, + 309, + 759 + ], + "lines": [ + { + "bbox": [ + 302, + 750, + 309, + 762 + ], + "spans": [ + { + "bbox": [ + 302, + 750, + 309, + 762 + ], + "score": 1.0, + "content": "7", + "type": "text" + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "image", + "bbox": [ + 151, + 85, + 459, + 207 + ], + "blocks": [ + { + "type": "image_body", + "bbox": [ + 151, + 85, + 459, + 207 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 151, + 85, + 459, + 207 + ], + "spans": [ + { + "bbox": [ + 151, + 85, + 459, + 207 + ], + "score": 0.97, + "type": "image", + "image_path": "2aeca4d04f65609a1fa1584f41938b2120f8df09b7dfae3a4549ab38b22e533d.jpg" + } + ] + } + ], + "index": 1, + "virtual_lines": [ + { + "bbox": [ + 151, + 85, + 459, + 125.66666666666666 + ], + "spans": [], + "index": 0 + }, + { + "bbox": [ + 151, + 125.66666666666666, + 459, + 166.33333333333331 + ], + "spans": [], + "index": 1 + }, + { + "bbox": [ + 151, + 166.33333333333331, + 459, + 206.99999999999997 + ], + "spans": [], + "index": 2 + } + ] + }, + { + "type": "image_caption", + "bbox": [ + 106, + 225, + 505, + 262 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 105, + 225, + 505, + 237 + ], + "spans": [ + { + "bbox": [ + 105, + 225, + 317, + 237 + ], + "score": 1.0, + "content": "Figure 2: The actual distances to the invariant space", + "type": "text" + }, + { + "bbox": [ + 318, + 226, + 331, + 235 + ], + "score": 0.79, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 331, + 225, + 505, + 237 + ], + "score": 1.0, + "content": "and their upper bounds. Solid lines are the", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 104, + 236, + 506, + 251 + ], + "spans": [ + { + "bbox": [ + 104, + 236, + 232, + 251 + ], + "score": 1.0, + "content": "log relative distance defined by", + "type": "text" + }, + { + "bbox": [ + 232, + 236, + 372, + 250 + ], + "score": 0.91, + "content": "y ( l ) = \\log ( d _ { \\mathcal { M } } ( \\mathbf { \\bar { { X } } } ^ { ( l ) } ) / d _ { \\mathcal { M } } ( X ^ { ( 0 ) } ) )", + "type": "inline_equation" + }, + { + "bbox": [ + 372, + 236, + 506, + 251 + ], + "score": 1.0, + "content": "and dotted lines are upper bound", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 106, + 248, + 456, + 264 + ], + "spans": [ + { + "bbox": [ + 106, + 249, + 173, + 262 + ], + "score": 0.92, + "content": "y ( l ) = l \\log ( s \\lambda )", + "type": "inline_equation" + }, + { + "bbox": [ + 173, + 248, + 203, + 264 + ], + "score": 1.0, + "content": ", where", + "type": "text" + }, + { + "bbox": [ + 204, + 249, + 224, + 260 + ], + "score": 0.91, + "content": "X ^ { ( 0 ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 225, + 248, + 316, + 264 + ], + "score": 1.0, + "content": "is the input signal and", + "type": "text" + }, + { + "bbox": [ + 316, + 249, + 335, + 260 + ], + "score": 0.89, + "content": "X ^ { ( l ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 335, + 248, + 414, + 264 + ], + "score": 1.0, + "content": "is the output of the", + "type": "text" + }, + { + "bbox": [ + 414, + 250, + 418, + 260 + ], + "score": 0.44, + "content": "l", + "type": "inline_equation" + }, + { + "bbox": [ + 419, + 248, + 456, + 264 + ], + "score": 1.0, + "content": "-th layer.", + "type": "text" + } + ], + "index": 5 + } + ], + "index": 4 + } + ], + "index": 2.5 + }, + { + "type": "image", + "bbox": [ + 109, + 276, + 497, + 385 + ], + "blocks": [ + { + "type": "image_body", + "bbox": [ + 109, + 276, + 497, + 385 + ], + "group_id": 1, + "lines": [ + { + "bbox": [ + 109, + 276, + 497, + 385 + ], + "spans": [ + { + "bbox": [ + 109, + 276, + 497, + 385 + ], + "score": 0.963, + "type": "image", + "image_path": "8900fa8d6997b22156aeea03d2008a13643ccde54ceb13a5e4d7e973496948c4.jpg" + } + ] + } + ], + "index": 7, + "virtual_lines": [ + { + "bbox": [ + 109, + 276, + 497, + 312.3333333333333 + ], + "spans": [], + "index": 6 + }, + { + "bbox": [ + 109, + 312.3333333333333, + 497, + 348.66666666666663 + ], + "spans": [], + "index": 7 + }, + { + "bbox": [ + 109, + 348.66666666666663, + 497, + 384.99999999999994 + ], + "spans": [], + "index": 8 + } + ] + }, + { + "type": "image_caption", + "bbox": [ + 106, + 399, + 505, + 444 + ], + "group_id": 1, + "lines": [ + { + "bbox": [ + 105, + 399, + 505, + 412 + ], + "spans": [ + { + "bbox": [ + 105, + 399, + 505, + 412 + ], + "score": 1.0, + "content": "Figure 3: Node prediction results on Noisy Cora. Left: Effect of the maximum singular values on", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 106, + 411, + 505, + 423 + ], + "spans": [ + { + "bbox": [ + 106, + 411, + 448, + 423 + ], + "score": 1.0, + "content": "weights on model performance. The horizontal dotted line indicates the chance rate", + "type": "text" + }, + { + "bbox": [ + 448, + 411, + 481, + 422 + ], + "score": 0.88, + "content": "( 3 0 . 2 \\% )", + "type": "inline_equation" + }, + { + "bbox": [ + 481, + 411, + 505, + 423 + ], + "score": 1.0, + "content": ". The", + "type": "text" + } + ], + "index": 10 + }, + { + "bbox": [ + 105, + 421, + 505, + 435 + ], + "spans": [ + { + "bbox": [ + 105, + 421, + 505, + 435 + ], + "score": 1.0, + "content": "error bar is the standard deviation of 3 trials. Right: Transition of maximum singular values during", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 105, + 433, + 419, + 444 + ], + "spans": [ + { + "bbox": [ + 105, + 433, + 419, + 444 + ], + "score": 1.0, + "content": "training. See Appendix I.3 for results using other datasets. Best view in color.", + "type": "text" + } + ], + "index": 12 + } + ], + "index": 10.5 + } + ], + "index": 8.75 + }, + { + "type": "text", + "bbox": [ + 106, + 464, + 505, + 544 + ], + "lines": [], + "index": 16, + "bbox_fs": [ + 105, + 464, + 506, + 545 + ], + "lines_deleted": true + }, + { + "type": "title", + "bbox": [ + 105, + 557, + 352, + 569 + ], + "lines": [ + { + "bbox": [ + 106, + 557, + 352, + 570 + ], + "spans": [ + { + "bbox": [ + 106, + 557, + 352, + 570 + ], + "score": 1.0, + "content": "6.2 SYNTHESIS DATA: DISTANCE TO INVARIANT SPACE", + "type": "text" + } + ], + "index": 20 + } + ], + "index": 20 + }, + { + "type": "text", + "bbox": [ + 106, + 578, + 505, + 665 + ], + "lines": [ + { + "bbox": [ + 106, + 578, + 505, + 591 + ], + "spans": [ + { + "bbox": [ + 106, + 578, + 297, + 591 + ], + "score": 1.0, + "content": "We evaluate the distance to the invariant space", + "type": "text" + }, + { + "bbox": [ + 297, + 579, + 311, + 589 + ], + "score": 0.78, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 311, + 578, + 505, + 591 + ], + "score": 1.0, + "content": "using synthesis data. We randomly generate an", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 106, + 589, + 505, + 603 + ], + "spans": [ + { + "bbox": [ + 106, + 589, + 321, + 603 + ], + "score": 1.0, + "content": "Erdos – R ˝ enyi graph, a GCN on it, and an input signal ´", + "type": "text" + }, + { + "bbox": [ + 321, + 590, + 341, + 601 + ], + "score": 0.91, + "content": "X ^ { ( 0 ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 342, + 589, + 496, + 603 + ], + "score": 1.0, + "content": ". We compute the distance between the", + "type": "text" + }, + { + "bbox": [ + 496, + 591, + 500, + 600 + ], + "score": 0.64, + "content": "l", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 589, + 505, + 603 + ], + "score": 1.0, + "content": "-", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 105, + 601, + 506, + 615 + ], + "spans": [ + { + "bbox": [ + 105, + 601, + 197, + 615 + ], + "score": 1.0, + "content": "th intermediate output", + "type": "text" + }, + { + "bbox": [ + 197, + 601, + 216, + 612 + ], + "score": 0.9, + "content": "X ^ { ( l ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 216, + 601, + 311, + 615 + ], + "score": 1.0, + "content": "and the invariant space", + "type": "text" + }, + { + "bbox": [ + 311, + 603, + 324, + 613 + ], + "score": 0.76, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 324, + 601, + 438, + 615 + ], + "score": 1.0, + "content": "for various edge probability", + "type": "text" + }, + { + "bbox": [ + 438, + 604, + 444, + 614 + ], + "score": 0.77, + "content": "p", + "type": "inline_equation" + }, + { + "bbox": [ + 445, + 601, + 506, + 615 + ], + "score": 1.0, + "content": "and maximum", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 102, + 610, + 506, + 635 + ], + "spans": [ + { + "bbox": [ + 102, + 610, + 487, + 635 + ], + "score": 1.0, + "content": "singular value s. Figure 2 plots the logarithm of the relative distance y(l) = log dM(X(l))dM(X(0))", + "type": "text" + }, + { + "bbox": [ + 483, + 616, + 506, + 630 + ], + "score": 1.0, + "content": "with", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 105, + 631, + 505, + 644 + ], + "spans": [ + { + "bbox": [ + 105, + 631, + 208, + 644 + ], + "score": 1.0, + "content": "respect to the layer index", + "type": "text" + }, + { + "bbox": [ + 208, + 631, + 213, + 641 + ], + "score": 0.31, + "content": "l", + "type": "inline_equation" + }, + { + "bbox": [ + 213, + 631, + 435, + 644 + ], + "score": 1.0, + "content": ". From Theorem 1, we know that it is upper bounded by", + "type": "text" + }, + { + "bbox": [ + 435, + 632, + 501, + 643 + ], + "score": 0.9, + "content": "y ( l ) = l \\log ( s \\lambda )", + "type": "inline_equation" + }, + { + "bbox": [ + 502, + 631, + 505, + 644 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 106, + 641, + 505, + 654 + ], + "spans": [ + { + "bbox": [ + 106, + 641, + 362, + 654 + ], + "score": 1.0, + "content": "We see that this bound well approximates the actual value when", + "type": "text" + }, + { + "bbox": [ + 363, + 643, + 375, + 652 + ], + "score": 0.85, + "content": "s \\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 375, + 641, + 505, + 654 + ], + "score": 1.0, + "content": "is small. On the other hand, it is", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 106, + 653, + 448, + 665 + ], + "spans": [ + { + "bbox": [ + 106, + 653, + 166, + 665 + ], + "score": 1.0, + "content": "loose for large", + "type": "text" + }, + { + "bbox": [ + 167, + 654, + 178, + 663 + ], + "score": 0.76, + "content": "s \\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 178, + 653, + 295, + 665 + ], + "score": 1.0, + "content": ". We leave tighter bounds for", + "type": "text" + }, + { + "bbox": [ + 295, + 654, + 311, + 664 + ], + "score": 0.9, + "content": "d _ { \\mathcal { M } }", + "type": "inline_equation" + }, + { + "bbox": [ + 311, + 653, + 448, + 665 + ], + "score": 1.0, + "content": "in such a case for future research.", + "type": "text" + } + ], + "index": 27 + } + ], + "index": 24, + "bbox_fs": [ + 102, + 578, + 506, + 665 + ] + }, + { + "type": "title", + "bbox": [ + 108, + 678, + 451, + 689 + ], + "lines": [ + { + "bbox": [ + 105, + 677, + 453, + 691 + ], + "spans": [ + { + "bbox": [ + 105, + 677, + 453, + 691 + ], + "score": 1.0, + "content": "6.3 REAL DATA: EFFECT OF MAXIMUM SINGULAR VALUES ON PERFORMANCE", + "type": "text" + } + ], + "index": 28 + } + ], + "index": 28 + }, + { + "type": "text", + "bbox": [ + 108, + 698, + 504, + 732 + ], + "lines": [ + { + "bbox": [ + 106, + 698, + 505, + 711 + ], + "spans": [ + { + "bbox": [ + 106, + 698, + 208, + 711 + ], + "score": 1.0, + "content": "Theorem 2 implies that if", + "type": "text" + }, + { + "bbox": [ + 208, + 701, + 214, + 709 + ], + "score": 0.77, + "content": "s", + "type": "inline_equation" + }, + { + "bbox": [ + 214, + 698, + 327, + 711 + ], + "score": 1.0, + "content": "is smaller than the threshold", + "type": "text" + }, + { + "bbox": [ + 328, + 699, + 345, + 709 + ], + "score": 0.89, + "content": "\\lambda ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 345, + 698, + 505, + 711 + ], + "score": 1.0, + "content": ", we cannot expect deep GCN to achieve", + "type": "text" + } + ], + "index": 29 + }, + { + "bbox": [ + 105, + 709, + 506, + 722 + ], + "spans": [ + { + "bbox": [ + 105, + 709, + 427, + 722 + ], + "score": 1.0, + "content": "good prediction accuracy. Conversely, if we can successfully train the model,", + "type": "text" + }, + { + "bbox": [ + 428, + 712, + 434, + 720 + ], + "score": 0.69, + "content": "s", + "type": "inline_equation" + }, + { + "bbox": [ + 434, + 709, + 506, + 722 + ], + "score": 1.0, + "content": "should avoid the", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 105, + 720, + 419, + 734 + ], + "spans": [ + { + "bbox": [ + 105, + 720, + 134, + 734 + ], + "score": 1.0, + "content": "region", + "type": "text" + }, + { + "bbox": [ + 135, + 720, + 169, + 731 + ], + "score": 0.92, + "content": "s \\leq \\lambda ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 170, + 720, + 419, + 734 + ], + "score": 1.0, + "content": ". We empirically confirm these hypotheses using real datasets.", + "type": "text" + } + ], + "index": 31 + } + ], + "index": 30, + "bbox_fs": [ + 105, + 698, + 506, + 734 + ] + } + ] + }, + { + "preproc_blocks": [ + { + "type": "text", + "bbox": [ + 107, + 82, + 505, + 181 + ], + "lines": [ + { + "bbox": [ + 106, + 83, + 505, + 94 + ], + "spans": [ + { + "bbox": [ + 106, + 83, + 505, + 94 + ], + "score": 1.0, + "content": "We use Cora, CiteSeer, and PubMed (Sen et al., 2008), which are standard citation network datasets.", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 106, + 93, + 506, + 106 + ], + "spans": [ + { + "bbox": [ + 106, + 93, + 506, + 106 + ], + "score": 1.0, + "content": "The task is to classify the genre of papers using word occurrences and citation relationships. We", + "type": "text" + } + ], + "index": 1 + }, + { + "bbox": [ + 105, + 105, + 506, + 117 + ], + "spans": [ + { + "bbox": [ + 105, + 105, + 506, + 117 + ], + "score": 1.0, + "content": "regard each paper as a node and citation relationship as an edge. Due to space constraints, we focus", + "type": "text" + } + ], + "index": 2 + }, + { + "bbox": [ + 105, + 115, + 505, + 128 + ], + "spans": [ + { + "bbox": [ + 105, + 115, + 505, + 128 + ], + "score": 1.0, + "content": "on Cora in the main article. See Appendix H.3 and I.3 for the other datasets. The discussion in", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 105, + 126, + 505, + 139 + ], + "spans": [ + { + "bbox": [ + 105, + 126, + 505, + 139 + ], + "score": 1.0, + "content": "Section 5 implies that Theorem 2 can support a wide range of GCNs when the underlying graph", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 105, + 137, + 505, + 149 + ], + "spans": [ + { + "bbox": [ + 105, + 137, + 505, + 149 + ], + "score": 1.0, + "content": "is relatively dense. However, the citation networks are too sparse to examine the aforementioned", + "type": "text" + } + ], + "index": 5 + }, + { + "bbox": [ + 105, + 147, + 505, + 160 + ], + "spans": [ + { + "bbox": [ + 105, + 148, + 354, + 160 + ], + "score": 1.0, + "content": "hypotheses — Theorem 2 gives a non-trivial result only when", + "type": "text" + }, + { + "bbox": [ + 354, + 147, + 488, + 159 + ], + "score": 0.91, + "content": "\\stackrel { \\cdot } { 1 } \\leq s < \\lambda ^ { - 1 } \\approx 1 + 3 . 6 2 \\times 1 0 ^ { - 3 }", + "type": "inline_equation" + }, + { + "bbox": [ + 488, + 148, + 505, + 160 + ], + "score": 1.0, + "content": ". To", + "type": "text" + } + ], + "index": 6 + }, + { + "bbox": [ + 105, + 159, + 505, + 172 + ], + "spans": [ + { + "bbox": [ + 105, + 159, + 505, + 172 + ], + "score": 1.0, + "content": "circumvent this, we make noisy versions of citation networks by randomly adding edges to graphs.", + "type": "text" + } + ], + "index": 7 + }, + { + "bbox": [ + 105, + 170, + 385, + 182 + ], + "spans": [ + { + "bbox": [ + 105, + 170, + 333, + 182 + ], + "score": 1.0, + "content": "Through this manipulation, we can increase the value of", + "type": "text" + }, + { + "bbox": [ + 333, + 170, + 350, + 180 + ], + "score": 0.9, + "content": "\\lambda ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 351, + 170, + 385, + 182 + ], + "score": 1.0, + "content": "to 1.11.", + "type": "text" + } + ], + "index": 8 + } + ], + "index": 4 + }, + { + "type": "text", + "bbox": [ + 107, + 187, + 505, + 286 + ], + "lines": [ + { + "bbox": [ + 105, + 186, + 505, + 200 + ], + "spans": [ + { + "bbox": [ + 105, + 186, + 505, + 200 + ], + "score": 1.0, + "content": "Figure 3 (left) shows the accuracy for the test dataset in terms of the maximum singular values", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 106, + 199, + 505, + 210 + ], + "spans": [ + { + "bbox": [ + 106, + 199, + 505, + 210 + ], + "score": 1.0, + "content": "and the number of graph convolution layers. We can observe that when GCNs whose maximum", + "type": "text" + } + ], + "index": 10 + }, + { + "bbox": [ + 105, + 208, + 506, + 222 + ], + "spans": [ + { + "bbox": [ + 105, + 208, + 167, + 222 + ], + "score": 1.0, + "content": "singular value", + "type": "text" + }, + { + "bbox": [ + 168, + 212, + 174, + 219 + ], + "score": 0.62, + "content": "s", + "type": "inline_equation" + }, + { + "bbox": [ + 174, + 208, + 260, + 222 + ], + "score": 1.0, + "content": "is out of the region", + "type": "text" + }, + { + "bbox": [ + 261, + 208, + 301, + 219 + ], + "score": 0.91, + "content": "s \\ < \\ \\lambda ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 302, + 208, + 506, + 222 + ], + "score": 1.0, + "content": "outperform those inside the region in almost all", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 105, + 219, + 505, + 233 + ], + "spans": [ + { + "bbox": [ + 105, + 219, + 347, + 233 + ], + "score": 1.0, + "content": "configurations. Furthermore, the accuracy of GCNs with", + "type": "text" + }, + { + "bbox": [ + 347, + 220, + 381, + 230 + ], + "score": 0.9, + "content": "s ~ = ~ 1 0", + "type": "inline_equation" + }, + { + "bbox": [ + 382, + 219, + 505, + 233 + ], + "score": 1.0, + "content": "are better than those without", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 105, + 231, + 505, + 243 + ], + "spans": [ + { + "bbox": [ + 105, + 231, + 505, + 243 + ], + "score": 1.0, + "content": "normalization (unnormalized). Figure 3 (right) shows the transition of the maximum singular values", + "type": "text" + } + ], + "index": 13 + }, + { + "bbox": [ + 105, + 241, + 505, + 255 + ], + "spans": [ + { + "bbox": [ + 105, + 241, + 505, + 255 + ], + "score": 1.0, + "content": "of the weights during training when we use a three-layered GCN. We can observe that the maximum", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 105, + 252, + 505, + 266 + ], + "spans": [ + { + "bbox": [ + 105, + 252, + 164, + 266 + ], + "score": 1.0, + "content": "singular value", + "type": "text" + }, + { + "bbox": [ + 165, + 255, + 171, + 263 + ], + "score": 0.63, + "content": "s", + "type": "inline_equation" + }, + { + "bbox": [ + 171, + 252, + 288, + 266 + ], + "score": 1.0, + "content": "does not shrink to the region", + "type": "text" + }, + { + "bbox": [ + 288, + 252, + 323, + 264 + ], + "score": 0.92, + "content": "s \\leq \\lambda ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 323, + 252, + 505, + 266 + ], + "score": 1.0, + "content": ". In addition, when the layer size is small and", + "type": "text" + } + ], + "index": 15 + }, + { + "bbox": [ + 105, + 263, + 505, + 277 + ], + "spans": [ + { + "bbox": [ + 105, + 263, + 323, + 277 + ], + "score": 1.0, + "content": "predictive accuracy is high, GCNs gradually increase", + "type": "text" + }, + { + "bbox": [ + 323, + 266, + 329, + 274 + ], + "score": 0.62, + "content": "s", + "type": "inline_equation" + }, + { + "bbox": [ + 330, + 263, + 505, + 277 + ], + "score": 1.0, + "content": "from the initial value and avoid the region.", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 106, + 275, + 389, + 287 + ], + "spans": [ + { + "bbox": [ + 106, + 275, + 389, + 287 + ], + "score": 1.0, + "content": "In conclusion, the experiment results are consistent with the theorems.", + "type": "text" + } + ], + "index": 17 + } + ], + "index": 13 + }, + { + "type": "text", + "bbox": [ + 108, + 303, + 497, + 314 + ], + "lines": [ + { + "bbox": [ + 106, + 303, + 498, + 315 + ], + "spans": [ + { + "bbox": [ + 106, + 303, + 498, + 315 + ], + "score": 1.0, + "content": "6.4 REAL DATA: EFFECT OF SIGNAL COMPONENT PERPENDICULAR TO INVARIANT SPACE", + "type": "text" + } + ], + "index": 18 + } + ], + "index": 18 + }, + { + "type": "text", + "bbox": [ + 107, + 325, + 355, + 468 + ], + "lines": [ + { + "bbox": [ + 106, + 324, + 355, + 338 + ], + "spans": [ + { + "bbox": [ + 106, + 324, + 228, + 338 + ], + "score": 1.0, + "content": "We can decompose the output", + "type": "text" + }, + { + "bbox": [ + 228, + 326, + 238, + 335 + ], + "score": 0.82, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 238, + 324, + 294, + 338 + ], + "score": 1.0, + "content": "of a model as", + "type": "text" + }, + { + "bbox": [ + 295, + 325, + 355, + 336 + ], + "score": 0.92, + "content": "X = X _ { 0 } + X _ { 1 }", + "type": "inline_equation" + } + ], + "index": 19 + }, + { + "bbox": [ + 107, + 336, + 356, + 348 + ], + "spans": [ + { + "bbox": [ + 107, + 336, + 210, + 348 + ], + "score": 0.72, + "content": "( X _ { 0 } \\in \\mathcal { M } , \\bar { X _ { 1 } } \\in \\mathcal { M } ^ { \\perp } )", + "type": "inline_equation" + }, + { + "bbox": [ + 210, + 336, + 324, + 348 + ], + "score": 1.0, + "content": ". According to the theory,", + "type": "text" + }, + { + "bbox": [ + 324, + 337, + 338, + 347 + ], + "score": 0.87, + "content": "X _ { 0 }", + "type": "inline_equation" + }, + { + "bbox": [ + 339, + 336, + 356, + 348 + ], + "score": 1.0, + "content": "has", + "type": "text" + } + ], + "index": 20 + }, + { + "bbox": [ + 105, + 347, + 357, + 359 + ], + "spans": [ + { + "bbox": [ + 105, + 347, + 357, + 359 + ], + "score": 1.0, + "content": "limited information for node classification. We hypothesize", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 105, + 358, + 355, + 371 + ], + "spans": [ + { + "bbox": [ + 105, + 358, + 341, + 371 + ], + "score": 1.0, + "content": "that the model emphasizes the perpendicular component", + "type": "text" + }, + { + "bbox": [ + 341, + 358, + 355, + 369 + ], + "score": 0.87, + "content": "X _ { 1 }", + "type": "inline_equation" + } + ], + "index": 22 + }, + { + "bbox": [ + 105, + 369, + 357, + 381 + ], + "spans": [ + { + "bbox": [ + 105, + 369, + 357, + 381 + ], + "score": 1.0, + "content": "to perform good predictions. To quantitatively evaluate it, we", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 105, + 379, + 357, + 393 + ], + "spans": [ + { + "bbox": [ + 105, + 379, + 357, + 393 + ], + "score": 1.0, + "content": "define the relative magnitude of the perpendicular component", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 106, + 391, + 357, + 403 + ], + "spans": [ + { + "bbox": [ + 106, + 391, + 161, + 403 + ], + "score": 1.0, + "content": "of the output", + "type": "text" + }, + { + "bbox": [ + 162, + 392, + 172, + 401 + ], + "score": 0.8, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 172, + 391, + 186, + 403 + ], + "score": 1.0, + "content": "by", + "type": "text" + }, + { + "bbox": [ + 186, + 391, + 255, + 403 + ], + "score": 0.93, + "content": "t ( \\mathbf { \\bar { \\boldsymbol { X } } } ) : = \\boldsymbol { X } _ { 1 } / \\boldsymbol { X } _ { 0 } ^ { \\mathbf { \\bar { \\alpha } } }", + "type": "inline_equation" + }, + { + "bbox": [ + 256, + 391, + 357, + 403 + ], + "score": 1.0, + "content": ". Figure 4 compares this", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 105, + 402, + 358, + 414 + ], + "spans": [ + { + "bbox": [ + 105, + 402, + 358, + 414 + ], + "score": 1.0, + "content": "quantity and the prediction accuracy on the noisy version of", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 105, + 413, + 357, + 425 + ], + "spans": [ + { + "bbox": [ + 105, + 413, + 357, + 425 + ], + "score": 1.0, + "content": "Cora (see Appendix I.4 for other datasets). We observe that", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 105, + 423, + 357, + 436 + ], + "spans": [ + { + "bbox": [ + 105, + 423, + 248, + 436 + ], + "score": 1.0, + "content": "these two quantities are correlated", + "type": "text" + }, + { + "bbox": [ + 248, + 424, + 295, + 435 + ], + "score": 0.85, + "content": "R = 0 . 5 4 5 )", + "type": "inline_equation" + }, + { + "bbox": [ + 295, + 423, + 357, + 436 + ], + "score": 1.0, + "content": "). If we remove", + "type": "text" + } + ], + "index": 28 + }, + { + "bbox": [ + 105, + 434, + 357, + 448 + ], + "spans": [ + { + "bbox": [ + 105, + 434, + 357, + 448 + ], + "score": 1.0, + "content": "GCNs have only one layer (corresponding to right points in the", + "type": "text" + } + ], + "index": 29 + }, + { + "bbox": [ + 105, + 446, + 357, + 457 + ], + "spans": [ + { + "bbox": [ + 105, + 446, + 357, + 457 + ], + "score": 1.0, + "content": "figure), the correlation coefficient is 0.827. This result does not", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 105, + 456, + 254, + 468 + ], + "spans": [ + { + "bbox": [ + 105, + 456, + 254, + 468 + ], + "score": 1.0, + "content": "contradict to the hypothesis above 5.", + "type": "text" + } + ], + "index": 31 + } + ], + "index": 25 + }, + { + "type": "image", + "bbox": [ + 372, + 325, + 495, + 450 + ], + "blocks": [ + { + "type": "image_body", + "bbox": [ + 372, + 325, + 495, + 450 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 372, + 325, + 495, + 450 + ], + "spans": [ + { + "bbox": [ + 372, + 325, + 495, + 450 + ], + "score": 0.957, + "type": "image", + "image_path": "ca029b92d1bfb0988aea15f768e174e2b67f0ad352d4ddba46a86c712446b225.jpg" + } + ] + } + ], + "index": 32.5, + "virtual_lines": [ + { + "bbox": [ + 372, + 325, + 495, + 387.5 + ], + "spans": [], + "index": 32 + }, + { + "bbox": [ + 372, + 387.5, + 495, + 450.0 + ], + "spans": [], + "index": 33 + } + ] + }, + { + "type": "image_caption", + "bbox": [ + 364, + 465, + 505, + 488 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 363, + 465, + 505, + 478 + ], + "spans": [ + { + "bbox": [ + 363, + 465, + 405, + 478 + ], + "score": 1.0, + "content": "Figure 4:", + "type": "text" + }, + { + "bbox": [ + 406, + 465, + 442, + 477 + ], + "score": 0.9, + "content": "\\log t ( X )", + "type": "inline_equation" + }, + { + "bbox": [ + 442, + 465, + 505, + 478 + ], + "score": 1.0, + "content": "and prediction", + "type": "text" + } + ], + "index": 34 + }, + { + "bbox": [ + 363, + 475, + 466, + 490 + ], + "spans": [ + { + "bbox": [ + 363, + 475, + 466, + 490 + ], + "score": 1.0, + "content": "accuracy on Noisy Cora.", + "type": "text" + } + ], + "index": 35 + } + ], + "index": 34.5 + } + ], + "index": 33.5 + }, + { + "type": "title", + "bbox": [ + 108, + 487, + 190, + 501 + ], + "lines": [ + { + "bbox": [ + 105, + 486, + 192, + 504 + ], + "spans": [ + { + "bbox": [ + 105, + 486, + 192, + 504 + ], + "score": 1.0, + "content": "7 DISCUSSION", + "type": "text" + } + ], + "index": 36 + } + ], + "index": 36 + }, + { + "type": "text", + "bbox": [ + 107, + 514, + 504, + 592 + ], + "lines": [ + { + "bbox": [ + 105, + 514, + 506, + 528 + ], + "spans": [ + { + "bbox": [ + 105, + 514, + 506, + 528 + ], + "score": 1.0, + "content": "Applicability to Graph NNs on Sparse Graphs. We have theoretically and empirically shown that", + "type": "text" + } + ], + "index": 37 + }, + { + "bbox": [ + 105, + 525, + 506, + 538 + ], + "spans": [ + { + "bbox": [ + 105, + 525, + 402, + 538 + ], + "score": 1.0, + "content": "when the underlying graph is sufficiently dense and large, the threshold", + "type": "text" + }, + { + "bbox": [ + 402, + 525, + 420, + 536 + ], + "score": 0.9, + "content": "\\lambda ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 420, + 525, + 506, + 538 + ], + "score": 1.0, + "content": "is large (Theorem 2", + "type": "text" + } + ], + "index": 38 + }, + { + "bbox": [ + 105, + 536, + 506, + 550 + ], + "spans": [ + { + "bbox": [ + 105, + 536, + 506, + 550 + ], + "score": 1.0, + "content": "and Section 6.3), which means many graph CNNs are eligible. However, real-world graphs are not", + "type": "text" + } + ], + "index": 39 + }, + { + "bbox": [ + 105, + 548, + 505, + 560 + ], + "spans": [ + { + "bbox": [ + 105, + 548, + 505, + 560 + ], + "score": 1.0, + "content": "often dense, which means that Theorem 2 is applicable to very limited GCNs. In addition, Coja-", + "type": "text" + } + ], + "index": 40 + }, + { + "bbox": [ + 105, + 559, + 506, + 572 + ], + "spans": [ + { + "bbox": [ + 105, + 559, + 414, + 572 + ], + "score": 1.0, + "content": "Oghlan (2007) theoretically proved that if the expected average degree of", + "type": "text" + }, + { + "bbox": [ + 414, + 559, + 437, + 571 + ], + "score": 0.92, + "content": "G _ { N , p }", + "type": "inline_equation" + }, + { + "bbox": [ + 437, + 559, + 506, + 572 + ], + "score": 1.0, + "content": "is bounded, the", + "type": "text" + } + ], + "index": 41 + }, + { + "bbox": [ + 105, + 569, + 506, + 583 + ], + "spans": [ + { + "bbox": [ + 105, + 569, + 345, + 583 + ], + "score": 1.0, + "content": "smallest positive eigenvalue of the normalized Laplacian of", + "type": "text" + }, + { + "bbox": [ + 345, + 570, + 367, + 582 + ], + "score": 0.91, + "content": "G _ { N , p }", + "type": "inline_equation" + }, + { + "bbox": [ + 368, + 569, + 378, + 583 + ], + "score": 1.0, + "content": "is", + "type": "text" + }, + { + "bbox": [ + 378, + 570, + 397, + 582 + ], + "score": 0.9, + "content": "o ( 1 )", + "type": "inline_equation" + }, + { + "bbox": [ + 397, + 569, + 506, + 583 + ], + "score": 1.0, + "content": "with high probability. The", + "type": "text" + } + ], + "index": 42 + }, + { + "bbox": [ + 105, + 581, + 428, + 593 + ], + "spans": [ + { + "bbox": [ + 105, + 581, + 428, + 593 + ], + "score": 1.0, + "content": "asymptotic behaviors of graph NNs on sparse graphs are left for future research.", + "type": "text" + } + ], + "index": 43 + } + ], + "index": 40 + }, + { + "type": "text", + "bbox": [ + 107, + 597, + 505, + 697 + ], + "lines": [ + { + "bbox": [ + 105, + 597, + 505, + 610 + ], + "spans": [ + { + "bbox": [ + 105, + 597, + 505, + 610 + ], + "score": 1.0, + "content": "Remedy for Over-smoothing. Based on our theory, we can propose several techniques for mitigat-", + "type": "text" + } + ], + "index": 44 + }, + { + "bbox": [ + 105, + 608, + 504, + 622 + ], + "spans": [ + { + "bbox": [ + 105, + 608, + 504, + 622 + ], + "score": 1.0, + "content": "ing the over-smoothing phenomena. One idea is to (randomly) sample edges in an underlying graph.", + "type": "text" + } + ], + "index": 45 + }, + { + "bbox": [ + 105, + 619, + 505, + 633 + ], + "spans": [ + { + "bbox": [ + 105, + 619, + 505, + 633 + ], + "score": 1.0, + "content": "The sparsity of practically available graphs could be a factor in the success of graph NNs. Assum-", + "type": "text" + } + ], + "index": 46 + }, + { + "bbox": [ + 105, + 630, + 505, + 645 + ], + "spans": [ + { + "bbox": [ + 105, + 630, + 505, + 645 + ], + "score": 1.0, + "content": "ing this hypothesis is correct, there is a possibility that we can relive the effect of over-smoothing", + "type": "text" + } + ], + "index": 47 + }, + { + "bbox": [ + 105, + 642, + 506, + 655 + ], + "spans": [ + { + "bbox": [ + 105, + 642, + 506, + 655 + ], + "score": 1.0, + "content": "by sparsification. Since we can never restore the information in pruned edges if we remove them", + "type": "text" + } + ], + "index": 48 + }, + { + "bbox": [ + 105, + 653, + 505, + 665 + ], + "spans": [ + { + "bbox": [ + 105, + 653, + 505, + 665 + ], + "score": 1.0, + "content": "permanently, random edge sampling could work better as FastGCN (Chen et al., 2018a) and Graph-", + "type": "text" + } + ], + "index": 49 + }, + { + "bbox": [ + 106, + 664, + 505, + 676 + ], + "spans": [ + { + "bbox": [ + 106, + 664, + 505, + 676 + ], + "score": 1.0, + "content": "SAGE (Hamilton et al., 2017) do. Another idea is to scale node representations (i.e., intermediate", + "type": "text" + } + ], + "index": 50 + }, + { + "bbox": [ + 105, + 674, + 505, + 687 + ], + "spans": [ + { + "bbox": [ + 105, + 674, + 469, + 687 + ], + "score": 1.0, + "content": "or final output of graph NNs) appropriately so that they keep away from the invariant space", + "type": "text" + }, + { + "bbox": [ + 470, + 675, + 483, + 685 + ], + "score": 0.57, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 483, + 674, + 505, + 687 + ], + "score": 1.0, + "content": ". Our", + "type": "text" + } + ], + "index": 51 + }, + { + "bbox": [ + 105, + 685, + 505, + 699 + ], + "spans": [ + { + "bbox": [ + 105, + 685, + 505, + 699 + ], + "score": 1.0, + "content": "proposed weight scaling mechanism takes this strategy. Recently, Zhao & Akoglu (2020) has pro-", + "type": "text" + } + ], + "index": 52 + } + ], + "index": 48 + } + ], + "page_idx": 7, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 107, + 712, + 504, + 732 + ], + "lines": [ + { + "bbox": [ + 118, + 709, + 506, + 724 + ], + "spans": [ + { + "bbox": [ + 118, + 709, + 506, + 724 + ], + "score": 1.0, + "content": "5We cannot conclude that large perpendicular components are essential for good performance, since the", + "type": "text" + } + ] + }, + { + "bbox": [ + 106, + 720, + 324, + 733 + ], + "spans": [ + { + "bbox": [ + 106, + 720, + 198, + 733 + ], + "score": 1.0, + "content": "maximum singular value", + "type": "text" + }, + { + "bbox": [ + 198, + 723, + 203, + 730 + ], + "score": 0.54, + "content": "s", + "type": "inline_equation" + }, + { + "bbox": [ + 204, + 720, + 324, + 733 + ], + "score": 1.0, + "content": "is correlated to the accuracy, too.", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 108, + 27, + 293, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 302, + 752, + 308, + 760 + ], + "lines": [ + { + "bbox": [ + 302, + 750, + 309, + 761 + ], + "spans": [ + { + "bbox": [ + 302, + 750, + 309, + 761 + ], + "score": 1.0, + "content": "8", + "type": "text" + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "text", + "bbox": [ + 107, + 82, + 505, + 181 + ], + "lines": [ + { + "bbox": [ + 106, + 83, + 505, + 94 + ], + "spans": [ + { + "bbox": [ + 106, + 83, + 505, + 94 + ], + "score": 1.0, + "content": "We use Cora, CiteSeer, and PubMed (Sen et al., 2008), which are standard citation network datasets.", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 106, + 93, + 506, + 106 + ], + "spans": [ + { + "bbox": [ + 106, + 93, + 506, + 106 + ], + "score": 1.0, + "content": "The task is to classify the genre of papers using word occurrences and citation relationships. We", + "type": "text" + } + ], + "index": 1 + }, + { + "bbox": [ + 105, + 105, + 506, + 117 + ], + "spans": [ + { + "bbox": [ + 105, + 105, + 506, + 117 + ], + "score": 1.0, + "content": "regard each paper as a node and citation relationship as an edge. Due to space constraints, we focus", + "type": "text" + } + ], + "index": 2 + }, + { + "bbox": [ + 105, + 115, + 505, + 128 + ], + "spans": [ + { + "bbox": [ + 105, + 115, + 505, + 128 + ], + "score": 1.0, + "content": "on Cora in the main article. See Appendix H.3 and I.3 for the other datasets. The discussion in", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 105, + 126, + 505, + 139 + ], + "spans": [ + { + "bbox": [ + 105, + 126, + 505, + 139 + ], + "score": 1.0, + "content": "Section 5 implies that Theorem 2 can support a wide range of GCNs when the underlying graph", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 105, + 137, + 505, + 149 + ], + "spans": [ + { + "bbox": [ + 105, + 137, + 505, + 149 + ], + "score": 1.0, + "content": "is relatively dense. However, the citation networks are too sparse to examine the aforementioned", + "type": "text" + } + ], + "index": 5 + }, + { + "bbox": [ + 105, + 147, + 505, + 160 + ], + "spans": [ + { + "bbox": [ + 105, + 148, + 354, + 160 + ], + "score": 1.0, + "content": "hypotheses — Theorem 2 gives a non-trivial result only when", + "type": "text" + }, + { + "bbox": [ + 354, + 147, + 488, + 159 + ], + "score": 0.91, + "content": "\\stackrel { \\cdot } { 1 } \\leq s < \\lambda ^ { - 1 } \\approx 1 + 3 . 6 2 \\times 1 0 ^ { - 3 }", + "type": "inline_equation" + }, + { + "bbox": [ + 488, + 148, + 505, + 160 + ], + "score": 1.0, + "content": ". To", + "type": "text" + } + ], + "index": 6 + }, + { + "bbox": [ + 105, + 159, + 505, + 172 + ], + "spans": [ + { + "bbox": [ + 105, + 159, + 505, + 172 + ], + "score": 1.0, + "content": "circumvent this, we make noisy versions of citation networks by randomly adding edges to graphs.", + "type": "text" + } + ], + "index": 7 + }, + { + "bbox": [ + 105, + 170, + 385, + 182 + ], + "spans": [ + { + "bbox": [ + 105, + 170, + 333, + 182 + ], + "score": 1.0, + "content": "Through this manipulation, we can increase the value of", + "type": "text" + }, + { + "bbox": [ + 333, + 170, + 350, + 180 + ], + "score": 0.9, + "content": "\\lambda ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 351, + 170, + 385, + 182 + ], + "score": 1.0, + "content": "to 1.11.", + "type": "text" + } + ], + "index": 8 + } + ], + "index": 4, + "bbox_fs": [ + 105, + 83, + 506, + 182 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 187, + 505, + 286 + ], + "lines": [ + { + "bbox": [ + 105, + 186, + 505, + 200 + ], + "spans": [ + { + "bbox": [ + 105, + 186, + 505, + 200 + ], + "score": 1.0, + "content": "Figure 3 (left) shows the accuracy for the test dataset in terms of the maximum singular values", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 106, + 199, + 505, + 210 + ], + "spans": [ + { + "bbox": [ + 106, + 199, + 505, + 210 + ], + "score": 1.0, + "content": "and the number of graph convolution layers. We can observe that when GCNs whose maximum", + "type": "text" + } + ], + "index": 10 + }, + { + "bbox": [ + 105, + 208, + 506, + 222 + ], + "spans": [ + { + "bbox": [ + 105, + 208, + 167, + 222 + ], + "score": 1.0, + "content": "singular value", + "type": "text" + }, + { + "bbox": [ + 168, + 212, + 174, + 219 + ], + "score": 0.62, + "content": "s", + "type": "inline_equation" + }, + { + "bbox": [ + 174, + 208, + 260, + 222 + ], + "score": 1.0, + "content": "is out of the region", + "type": "text" + }, + { + "bbox": [ + 261, + 208, + 301, + 219 + ], + "score": 0.91, + "content": "s \\ < \\ \\lambda ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 302, + 208, + 506, + 222 + ], + "score": 1.0, + "content": "outperform those inside the region in almost all", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 105, + 219, + 505, + 233 + ], + "spans": [ + { + "bbox": [ + 105, + 219, + 347, + 233 + ], + "score": 1.0, + "content": "configurations. Furthermore, the accuracy of GCNs with", + "type": "text" + }, + { + "bbox": [ + 347, + 220, + 381, + 230 + ], + "score": 0.9, + "content": "s ~ = ~ 1 0", + "type": "inline_equation" + }, + { + "bbox": [ + 382, + 219, + 505, + 233 + ], + "score": 1.0, + "content": "are better than those without", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 105, + 231, + 505, + 243 + ], + "spans": [ + { + "bbox": [ + 105, + 231, + 505, + 243 + ], + "score": 1.0, + "content": "normalization (unnormalized). Figure 3 (right) shows the transition of the maximum singular values", + "type": "text" + } + ], + "index": 13 + }, + { + "bbox": [ + 105, + 241, + 505, + 255 + ], + "spans": [ + { + "bbox": [ + 105, + 241, + 505, + 255 + ], + "score": 1.0, + "content": "of the weights during training when we use a three-layered GCN. We can observe that the maximum", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 105, + 252, + 505, + 266 + ], + "spans": [ + { + "bbox": [ + 105, + 252, + 164, + 266 + ], + "score": 1.0, + "content": "singular value", + "type": "text" + }, + { + "bbox": [ + 165, + 255, + 171, + 263 + ], + "score": 0.63, + "content": "s", + "type": "inline_equation" + }, + { + "bbox": [ + 171, + 252, + 288, + 266 + ], + "score": 1.0, + "content": "does not shrink to the region", + "type": "text" + }, + { + "bbox": [ + 288, + 252, + 323, + 264 + ], + "score": 0.92, + "content": "s \\leq \\lambda ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 323, + 252, + 505, + 266 + ], + "score": 1.0, + "content": ". In addition, when the layer size is small and", + "type": "text" + } + ], + "index": 15 + }, + { + "bbox": [ + 105, + 263, + 505, + 277 + ], + "spans": [ + { + "bbox": [ + 105, + 263, + 323, + 277 + ], + "score": 1.0, + "content": "predictive accuracy is high, GCNs gradually increase", + "type": "text" + }, + { + "bbox": [ + 323, + 266, + 329, + 274 + ], + "score": 0.62, + "content": "s", + "type": "inline_equation" + }, + { + "bbox": [ + 330, + 263, + 505, + 277 + ], + "score": 1.0, + "content": "from the initial value and avoid the region.", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 106, + 275, + 389, + 287 + ], + "spans": [ + { + "bbox": [ + 106, + 275, + 389, + 287 + ], + "score": 1.0, + "content": "In conclusion, the experiment results are consistent with the theorems.", + "type": "text" + } + ], + "index": 17 + } + ], + "index": 13, + "bbox_fs": [ + 105, + 186, + 506, + 287 + ] + }, + { + "type": "text", + "bbox": [ + 108, + 303, + 497, + 314 + ], + "lines": [ + { + "bbox": [ + 106, + 303, + 498, + 315 + ], + "spans": [ + { + "bbox": [ + 106, + 303, + 498, + 315 + ], + "score": 1.0, + "content": "6.4 REAL DATA: EFFECT OF SIGNAL COMPONENT PERPENDICULAR TO INVARIANT SPACE", + "type": "text" + } + ], + "index": 18 + } + ], + "index": 18, + "bbox_fs": [ + 106, + 303, + 498, + 315 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 325, + 355, + 468 + ], + "lines": [ + { + "bbox": [ + 106, + 324, + 355, + 338 + ], + "spans": [ + { + "bbox": [ + 106, + 324, + 228, + 338 + ], + "score": 1.0, + "content": "We can decompose the output", + "type": "text" + }, + { + "bbox": [ + 228, + 326, + 238, + 335 + ], + "score": 0.82, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 238, + 324, + 294, + 338 + ], + "score": 1.0, + "content": "of a model as", + "type": "text" + }, + { + "bbox": [ + 295, + 325, + 355, + 336 + ], + "score": 0.92, + "content": "X = X _ { 0 } + X _ { 1 }", + "type": "inline_equation" + } + ], + "index": 19 + }, + { + "bbox": [ + 107, + 336, + 356, + 348 + ], + "spans": [ + { + "bbox": [ + 107, + 336, + 210, + 348 + ], + "score": 0.72, + "content": "( X _ { 0 } \\in \\mathcal { M } , \\bar { X _ { 1 } } \\in \\mathcal { M } ^ { \\perp } )", + "type": "inline_equation" + }, + { + "bbox": [ + 210, + 336, + 324, + 348 + ], + "score": 1.0, + "content": ". According to the theory,", + "type": "text" + }, + { + "bbox": [ + 324, + 337, + 338, + 347 + ], + "score": 0.87, + "content": "X _ { 0 }", + "type": "inline_equation" + }, + { + "bbox": [ + 339, + 336, + 356, + 348 + ], + "score": 1.0, + "content": "has", + "type": "text" + } + ], + "index": 20 + }, + { + "bbox": [ + 105, + 347, + 357, + 359 + ], + "spans": [ + { + "bbox": [ + 105, + 347, + 357, + 359 + ], + "score": 1.0, + "content": "limited information for node classification. We hypothesize", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 105, + 358, + 355, + 371 + ], + "spans": [ + { + "bbox": [ + 105, + 358, + 341, + 371 + ], + "score": 1.0, + "content": "that the model emphasizes the perpendicular component", + "type": "text" + }, + { + "bbox": [ + 341, + 358, + 355, + 369 + ], + "score": 0.87, + "content": "X _ { 1 }", + "type": "inline_equation" + } + ], + "index": 22 + }, + { + "bbox": [ + 105, + 369, + 357, + 381 + ], + "spans": [ + { + "bbox": [ + 105, + 369, + 357, + 381 + ], + "score": 1.0, + "content": "to perform good predictions. To quantitatively evaluate it, we", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 105, + 379, + 357, + 393 + ], + "spans": [ + { + "bbox": [ + 105, + 379, + 357, + 393 + ], + "score": 1.0, + "content": "define the relative magnitude of the perpendicular component", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 106, + 391, + 357, + 403 + ], + "spans": [ + { + "bbox": [ + 106, + 391, + 161, + 403 + ], + "score": 1.0, + "content": "of the output", + "type": "text" + }, + { + "bbox": [ + 162, + 392, + 172, + 401 + ], + "score": 0.8, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 172, + 391, + 186, + 403 + ], + "score": 1.0, + "content": "by", + "type": "text" + }, + { + "bbox": [ + 186, + 391, + 255, + 403 + ], + "score": 0.93, + "content": "t ( \\mathbf { \\bar { \\boldsymbol { X } } } ) : = \\boldsymbol { X } _ { 1 } / \\boldsymbol { X } _ { 0 } ^ { \\mathbf { \\bar { \\alpha } } }", + "type": "inline_equation" + }, + { + "bbox": [ + 256, + 391, + 357, + 403 + ], + "score": 1.0, + "content": ". Figure 4 compares this", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 105, + 402, + 358, + 414 + ], + "spans": [ + { + "bbox": [ + 105, + 402, + 358, + 414 + ], + "score": 1.0, + "content": "quantity and the prediction accuracy on the noisy version of", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 105, + 413, + 357, + 425 + ], + "spans": [ + { + "bbox": [ + 105, + 413, + 357, + 425 + ], + "score": 1.0, + "content": "Cora (see Appendix I.4 for other datasets). We observe that", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 105, + 423, + 357, + 436 + ], + "spans": [ + { + "bbox": [ + 105, + 423, + 248, + 436 + ], + "score": 1.0, + "content": "these two quantities are correlated", + "type": "text" + }, + { + "bbox": [ + 248, + 424, + 295, + 435 + ], + "score": 0.85, + "content": "R = 0 . 5 4 5 )", + "type": "inline_equation" + }, + { + "bbox": [ + 295, + 423, + 357, + 436 + ], + "score": 1.0, + "content": "). If we remove", + "type": "text" + } + ], + "index": 28 + }, + { + "bbox": [ + 105, + 434, + 357, + 448 + ], + "spans": [ + { + "bbox": [ + 105, + 434, + 357, + 448 + ], + "score": 1.0, + "content": "GCNs have only one layer (corresponding to right points in the", + "type": "text" + } + ], + "index": 29 + }, + { + "bbox": [ + 105, + 446, + 357, + 457 + ], + "spans": [ + { + "bbox": [ + 105, + 446, + 357, + 457 + ], + "score": 1.0, + "content": "figure), the correlation coefficient is 0.827. This result does not", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 105, + 456, + 254, + 468 + ], + "spans": [ + { + "bbox": [ + 105, + 456, + 254, + 468 + ], + "score": 1.0, + "content": "contradict to the hypothesis above 5.", + "type": "text" + } + ], + "index": 31 + } + ], + "index": 25, + "bbox_fs": [ + 105, + 324, + 358, + 468 + ] + }, + { + "type": "image", + "bbox": [ + 372, + 325, + 495, + 450 + ], + "blocks": [ + { + "type": "image_body", + "bbox": [ + 372, + 325, + 495, + 450 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 372, + 325, + 495, + 450 + ], + "spans": [ + { + "bbox": [ + 372, + 325, + 495, + 450 + ], + "score": 0.957, + "type": "image", + "image_path": "ca029b92d1bfb0988aea15f768e174e2b67f0ad352d4ddba46a86c712446b225.jpg" + } + ] + } + ], + "index": 32.5, + "virtual_lines": [ + { + "bbox": [ + 372, + 325, + 495, + 387.5 + ], + "spans": [], + "index": 32 + }, + { + "bbox": [ + 372, + 387.5, + 495, + 450.0 + ], + "spans": [], + "index": 33 + } + ] + }, + { + "type": "image_caption", + "bbox": [ + 364, + 465, + 505, + 488 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 363, + 465, + 505, + 478 + ], + "spans": [ + { + "bbox": [ + 363, + 465, + 405, + 478 + ], + "score": 1.0, + "content": "Figure 4:", + "type": "text" + }, + { + "bbox": [ + 406, + 465, + 442, + 477 + ], + "score": 0.9, + "content": "\\log t ( X )", + "type": "inline_equation" + }, + { + "bbox": [ + 442, + 465, + 505, + 478 + ], + "score": 1.0, + "content": "and prediction", + "type": "text" + } + ], + "index": 34 + }, + { + "bbox": [ + 363, + 475, + 466, + 490 + ], + "spans": [ + { + "bbox": [ + 363, + 475, + 466, + 490 + ], + "score": 1.0, + "content": "accuracy on Noisy Cora.", + "type": "text" + } + ], + "index": 35 + } + ], + "index": 34.5 + } + ], + "index": 33.5 + }, + { + "type": "title", + "bbox": [ + 108, + 487, + 190, + 501 + ], + "lines": [ + { + "bbox": [ + 105, + 486, + 192, + 504 + ], + "spans": [ + { + "bbox": [ + 105, + 486, + 192, + 504 + ], + "score": 1.0, + "content": "7 DISCUSSION", + "type": "text" + } + ], + "index": 36 + } + ], + "index": 36 + }, + { + "type": "text", + "bbox": [ + 107, + 514, + 504, + 592 + ], + "lines": [ + { + "bbox": [ + 105, + 514, + 506, + 528 + ], + "spans": [ + { + "bbox": [ + 105, + 514, + 506, + 528 + ], + "score": 1.0, + "content": "Applicability to Graph NNs on Sparse Graphs. We have theoretically and empirically shown that", + "type": "text" + } + ], + "index": 37 + }, + { + "bbox": [ + 105, + 525, + 506, + 538 + ], + "spans": [ + { + "bbox": [ + 105, + 525, + 402, + 538 + ], + "score": 1.0, + "content": "when the underlying graph is sufficiently dense and large, the threshold", + "type": "text" + }, + { + "bbox": [ + 402, + 525, + 420, + 536 + ], + "score": 0.9, + "content": "\\lambda ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 420, + 525, + 506, + 538 + ], + "score": 1.0, + "content": "is large (Theorem 2", + "type": "text" + } + ], + "index": 38 + }, + { + "bbox": [ + 105, + 536, + 506, + 550 + ], + "spans": [ + { + "bbox": [ + 105, + 536, + 506, + 550 + ], + "score": 1.0, + "content": "and Section 6.3), which means many graph CNNs are eligible. However, real-world graphs are not", + "type": "text" + } + ], + "index": 39 + }, + { + "bbox": [ + 105, + 548, + 505, + 560 + ], + "spans": [ + { + "bbox": [ + 105, + 548, + 505, + 560 + ], + "score": 1.0, + "content": "often dense, which means that Theorem 2 is applicable to very limited GCNs. In addition, Coja-", + "type": "text" + } + ], + "index": 40 + }, + { + "bbox": [ + 105, + 559, + 506, + 572 + ], + "spans": [ + { + "bbox": [ + 105, + 559, + 414, + 572 + ], + "score": 1.0, + "content": "Oghlan (2007) theoretically proved that if the expected average degree of", + "type": "text" + }, + { + "bbox": [ + 414, + 559, + 437, + 571 + ], + "score": 0.92, + "content": "G _ { N , p }", + "type": "inline_equation" + }, + { + "bbox": [ + 437, + 559, + 506, + 572 + ], + "score": 1.0, + "content": "is bounded, the", + "type": "text" + } + ], + "index": 41 + }, + { + "bbox": [ + 105, + 569, + 506, + 583 + ], + "spans": [ + { + "bbox": [ + 105, + 569, + 345, + 583 + ], + "score": 1.0, + "content": "smallest positive eigenvalue of the normalized Laplacian of", + "type": "text" + }, + { + "bbox": [ + 345, + 570, + 367, + 582 + ], + "score": 0.91, + "content": "G _ { N , p }", + "type": "inline_equation" + }, + { + "bbox": [ + 368, + 569, + 378, + 583 + ], + "score": 1.0, + "content": "is", + "type": "text" + }, + { + "bbox": [ + 378, + 570, + 397, + 582 + ], + "score": 0.9, + "content": "o ( 1 )", + "type": "inline_equation" + }, + { + "bbox": [ + 397, + 569, + 506, + 583 + ], + "score": 1.0, + "content": "with high probability. The", + "type": "text" + } + ], + "index": 42 + }, + { + "bbox": [ + 105, + 581, + 428, + 593 + ], + "spans": [ + { + "bbox": [ + 105, + 581, + 428, + 593 + ], + "score": 1.0, + "content": "asymptotic behaviors of graph NNs on sparse graphs are left for future research.", + "type": "text" + } + ], + "index": 43 + } + ], + "index": 40, + "bbox_fs": [ + 105, + 514, + 506, + 593 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 597, + 505, + 697 + ], + "lines": [ + { + "bbox": [ + 105, + 597, + 505, + 610 + ], + "spans": [ + { + "bbox": [ + 105, + 597, + 505, + 610 + ], + "score": 1.0, + "content": "Remedy for Over-smoothing. Based on our theory, we can propose several techniques for mitigat-", + "type": "text" + } + ], + "index": 44 + }, + { + "bbox": [ + 105, + 608, + 504, + 622 + ], + "spans": [ + { + "bbox": [ + 105, + 608, + 504, + 622 + ], + "score": 1.0, + "content": "ing the over-smoothing phenomena. One idea is to (randomly) sample edges in an underlying graph.", + "type": "text" + } + ], + "index": 45 + }, + { + "bbox": [ + 105, + 619, + 505, + 633 + ], + "spans": [ + { + "bbox": [ + 105, + 619, + 505, + 633 + ], + "score": 1.0, + "content": "The sparsity of practically available graphs could be a factor in the success of graph NNs. Assum-", + "type": "text" + } + ], + "index": 46 + }, + { + "bbox": [ + 105, + 630, + 505, + 645 + ], + "spans": [ + { + "bbox": [ + 105, + 630, + 505, + 645 + ], + "score": 1.0, + "content": "ing this hypothesis is correct, there is a possibility that we can relive the effect of over-smoothing", + "type": "text" + } + ], + "index": 47 + }, + { + "bbox": [ + 105, + 642, + 506, + 655 + ], + "spans": [ + { + "bbox": [ + 105, + 642, + 506, + 655 + ], + "score": 1.0, + "content": "by sparsification. Since we can never restore the information in pruned edges if we remove them", + "type": "text" + } + ], + "index": 48 + }, + { + "bbox": [ + 105, + 653, + 505, + 665 + ], + "spans": [ + { + "bbox": [ + 105, + 653, + 505, + 665 + ], + "score": 1.0, + "content": "permanently, random edge sampling could work better as FastGCN (Chen et al., 2018a) and Graph-", + "type": "text" + } + ], + "index": 49 + }, + { + "bbox": [ + 106, + 664, + 505, + 676 + ], + "spans": [ + { + "bbox": [ + 106, + 664, + 505, + 676 + ], + "score": 1.0, + "content": "SAGE (Hamilton et al., 2017) do. Another idea is to scale node representations (i.e., intermediate", + "type": "text" + } + ], + "index": 50 + }, + { + "bbox": [ + 105, + 674, + 505, + 687 + ], + "spans": [ + { + "bbox": [ + 105, + 674, + 469, + 687 + ], + "score": 1.0, + "content": "or final output of graph NNs) appropriately so that they keep away from the invariant space", + "type": "text" + }, + { + "bbox": [ + 470, + 675, + 483, + 685 + ], + "score": 0.57, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 483, + 674, + 505, + 687 + ], + "score": 1.0, + "content": ". Our", + "type": "text" + } + ], + "index": 51 + }, + { + "bbox": [ + 105, + 685, + 505, + 699 + ], + "spans": [ + { + "bbox": [ + 105, + 685, + 505, + 699 + ], + "score": 1.0, + "content": "proposed weight scaling mechanism takes this strategy. Recently, Zhao & Akoglu (2020) has pro-", + "type": "text" + } + ], + "index": 52 + }, + { + "bbox": [ + 105, + 82, + 506, + 95 + ], + "spans": [ + { + "bbox": [ + 105, + 82, + 506, + 95 + ], + "score": 1.0, + "content": "posed PairNorm to alleviate the over-smoothing phenomena. Although the scaling target is different", + "type": "text", + "cross_page": true + } + ], + "index": 0 + }, + { + "bbox": [ + 106, + 93, + 478, + 106 + ], + "spans": [ + { + "bbox": [ + 106, + 93, + 478, + 106 + ], + "score": 1.0, + "content": "– they rescaled signals whereas we normalized weights – theirs and ours have similar spirits.", + "type": "text", + "cross_page": true + } + ], + "index": 1 + } + ], + "index": 48, + "bbox_fs": [ + 105, + 597, + 506, + 699 + ] + } + ] + }, + { + "preproc_blocks": [ + { + "type": "text", + "bbox": [ + 105, + 82, + 503, + 105 + ], + "lines": [ + { + "bbox": [ + 105, + 82, + 506, + 95 + ], + "spans": [ + { + "bbox": [ + 105, + 82, + 506, + 95 + ], + "score": 1.0, + "content": "posed PairNorm to alleviate the over-smoothing phenomena. Although the scaling target is different", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 106, + 93, + 478, + 106 + ], + "spans": [ + { + "bbox": [ + 106, + 93, + 478, + 106 + ], + "score": 1.0, + "content": "– they rescaled signals whereas we normalized weights – theirs and ours have similar spirits.", + "type": "text" + } + ], + "index": 1 + } + ], + "index": 0.5 + }, + { + "type": "text", + "bbox": [ + 107, + 110, + 504, + 187 + ], + "lines": [ + { + "bbox": [ + 105, + 110, + 506, + 123 + ], + "spans": [ + { + "bbox": [ + 105, + 110, + 506, + 123 + ], + "score": 1.0, + "content": "Graph NNs with Large Weights. Our theory suggests that the maximum singular values of weights", + "type": "text" + } + ], + "index": 2 + }, + { + "bbox": [ + 105, + 120, + 505, + 133 + ], + "spans": [ + { + "bbox": [ + 105, + 120, + 307, + 133 + ], + "score": 1.0, + "content": "in a GCN should not be smaller than a threshold", + "type": "text" + }, + { + "bbox": [ + 307, + 121, + 325, + 132 + ], + "score": 0.9, + "content": "\\bar { \\lambda } ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 325, + 120, + 505, + 133 + ], + "score": 1.0, + "content": "because it suffers from information loss for", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 105, + 131, + 505, + 146 + ], + "spans": [ + { + "bbox": [ + 105, + 131, + 505, + 146 + ], + "score": 1.0, + "content": "node classification. On the other hand, if the scale of weights are very large, the model complexity", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 105, + 143, + 506, + 156 + ], + "spans": [ + { + "bbox": [ + 105, + 143, + 506, + 156 + ], + "score": 1.0, + "content": "of the function class represented by graph NNs increases, which may cause large generalization", + "type": "text" + } + ], + "index": 5 + }, + { + "bbox": [ + 105, + 154, + 506, + 167 + ], + "spans": [ + { + "bbox": [ + 105, + 154, + 506, + 167 + ], + "score": 1.0, + "content": "errors. Therefore, from a statistical learning theory perspective, we conjecture that the graph NNs", + "type": "text" + } + ], + "index": 6 + }, + { + "bbox": [ + 105, + 165, + 506, + 179 + ], + "spans": [ + { + "bbox": [ + 105, + 165, + 506, + 179 + ], + "score": 1.0, + "content": "with too-large weights perform poorly, too. A trade-off should exist between the expressive power", + "type": "text" + } + ], + "index": 7 + }, + { + "bbox": [ + 106, + 177, + 505, + 189 + ], + "spans": [ + { + "bbox": [ + 106, + 177, + 505, + 189 + ], + "score": 1.0, + "content": "and model complexity and there should be a “sweet spot” on the weight scale that balances the two.", + "type": "text" + } + ], + "index": 8 + } + ], + "index": 5 + }, + { + "type": "text", + "bbox": [ + 107, + 193, + 505, + 325 + ], + "lines": [ + { + "bbox": [ + 105, + 192, + 505, + 206 + ], + "spans": [ + { + "bbox": [ + 105, + 192, + 505, + 206 + ], + "score": 1.0, + "content": "Relation to Double Descent Phenomena. Belkin et al. (2019) pointed out that modern deep mod-", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 105, + 204, + 505, + 216 + ], + "spans": [ + { + "bbox": [ + 105, + 204, + 505, + 216 + ], + "score": 1.0, + "content": "els often have double descent risk curves: when a model is under-parameterized, a classical bias-", + "type": "text" + } + ], + "index": 10 + }, + { + "bbox": [ + 106, + 214, + 505, + 228 + ], + "spans": [ + { + "bbox": [ + 106, + 214, + 505, + 228 + ], + "score": 1.0, + "content": "variance trade-off occurs. However, once the model has a large capacity and perfectly fits the training", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 105, + 226, + 505, + 239 + ], + "spans": [ + { + "bbox": [ + 105, + 226, + 505, + 239 + ], + "score": 1.0, + "content": "data, the test error decreases as we increase the number of parameters. To the best of our knowl-", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 106, + 238, + 505, + 249 + ], + "spans": [ + { + "bbox": [ + 106, + 238, + 505, + 249 + ], + "score": 1.0, + "content": "edge, no literature reported the double descent phenomena for graph NNs (it is consistent with the", + "type": "text" + } + ], + "index": 13 + }, + { + "bbox": [ + 105, + 248, + 505, + 260 + ], + "spans": [ + { + "bbox": [ + 105, + 248, + 505, + 260 + ], + "score": 1.0, + "content": "picture of the classical U-shaped risk curve in the previous paragraph). It is known that double", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 105, + 259, + 505, + 272 + ], + "spans": [ + { + "bbox": [ + 105, + 259, + 505, + 272 + ], + "score": 1.0, + "content": "descent phenomena do not occur in some situations, especially depending on regularization types.", + "type": "text" + } + ], + "index": 15 + }, + { + "bbox": [ + 105, + 270, + 505, + 282 + ], + "spans": [ + { + "bbox": [ + 105, + 270, + 505, + 282 + ], + "score": 1.0, + "content": "For example, while Belkin et al. (2019) employed the interpolating hypothesis with the minimum", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 105, + 281, + 505, + 293 + ], + "spans": [ + { + "bbox": [ + 105, + 281, + 505, + 293 + ], + "score": 1.0, + "content": "norm, Mei & Montanari (2019) found that the double descent was alleviated or disappeared when", + "type": "text" + } + ], + "index": 17 + }, + { + "bbox": [ + 105, + 291, + 505, + 305 + ], + "spans": [ + { + "bbox": [ + 105, + 291, + 505, + 305 + ], + "score": 1.0, + "content": "they used Ridge-type regularization techniques. Therefore, one can hypothesize the over-smoothing", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 105, + 303, + 505, + 316 + ], + "spans": [ + { + "bbox": [ + 105, + 303, + 505, + 316 + ], + "score": 1.0, + "content": "is a cause or consequence of regularization that is more like a Ridge-type rather than minimum-norm", + "type": "text" + } + ], + "index": 19 + }, + { + "bbox": [ + 106, + 313, + 167, + 325 + ], + "spans": [ + { + "bbox": [ + 106, + 313, + 167, + 325 + ], + "score": 1.0, + "content": "inductive bias.", + "type": "text" + } + ], + "index": 20 + } + ], + "index": 14.5 + }, + { + "type": "text", + "bbox": [ + 106, + 330, + 505, + 419 + ], + "lines": [ + { + "bbox": [ + 105, + 330, + 505, + 343 + ], + "spans": [ + { + "bbox": [ + 105, + 330, + 505, + 343 + ], + "score": 1.0, + "content": "Limitations in Graph NN Architectures. Our analysis is limited to graph NNs with the ReLU", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 106, + 342, + 505, + 354 + ], + "spans": [ + { + "bbox": [ + 106, + 342, + 505, + 354 + ], + "score": 1.0, + "content": "activation function because we implicitly use the property that ReLU is a projection onto the cone", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 107, + 352, + 505, + 365 + ], + "spans": [ + { + "bbox": [ + 107, + 352, + 145, + 365 + ], + "score": 0.92, + "content": "\\{ X \\geq 0 \\}", + "type": "inline_equation" + }, + { + "bbox": [ + 146, + 352, + 505, + 365 + ], + "score": 1.0, + "content": "(Appendix A, Lemma 3). This fact enables the ReLU function to get along with the non-", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 105, + 363, + 505, + 376 + ], + "spans": [ + { + "bbox": [ + 105, + 363, + 505, + 376 + ], + "score": 1.0, + "content": "negativity of eigenvectors associated with the largest eigenvalues. Therefore, it is far from trivial to", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 105, + 375, + 505, + 387 + ], + "spans": [ + { + "bbox": [ + 105, + 375, + 505, + 387 + ], + "score": 1.0, + "content": "extend our results to other activation functions such as the sigmoid function or Leaky ReLU (Maas", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 105, + 385, + 505, + 398 + ], + "spans": [ + { + "bbox": [ + 105, + 385, + 505, + 398 + ], + "score": 1.0, + "content": "et al., 2013). Another point is that our formulation considers the update operation (Gilmer et al.,", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 105, + 396, + 506, + 409 + ], + "spans": [ + { + "bbox": [ + 105, + 396, + 506, + 409 + ], + "score": 1.0, + "content": "2017) of graph NNs only and does not take readout operations into account. In particular, we cannot", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 105, + 406, + 452, + 421 + ], + "spans": [ + { + "bbox": [ + 105, + 406, + 452, + 421 + ], + "score": 1.0, + "content": "directly apply our theory to graph classification tasks in which each sample is a graph.", + "type": "text" + } + ], + "index": 28 + } + ], + "index": 24.5 + }, + { + "type": "text", + "bbox": [ + 107, + 424, + 505, + 523 + ], + "lines": [ + { + "bbox": [ + 106, + 424, + 505, + 436 + ], + "spans": [ + { + "bbox": [ + 106, + 424, + 505, + 436 + ], + "score": 1.0, + "content": "Over-smoothing of Residual GNNs. Considering the correspondence of graph NNs and Markov", + "type": "text" + } + ], + "index": 29 + }, + { + "bbox": [ + 105, + 435, + 505, + 448 + ], + "spans": [ + { + "bbox": [ + 105, + 435, + 505, + 448 + ], + "score": 1.0, + "content": "processes (see Appendix F), one can imagine that residual links do not contribute to alleviating", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 105, + 446, + 505, + 459 + ], + "spans": [ + { + "bbox": [ + 105, + 446, + 505, + 459 + ], + "score": 1.0, + "content": "the over-smoothing phenomena because adding residual connections to a graph NN corresponds", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 105, + 457, + 506, + 470 + ], + "spans": [ + { + "bbox": [ + 105, + 457, + 506, + 470 + ], + "score": 1.0, + "content": "to converting a Markov process to its lazy version. When a Markov process converges to a stable", + "type": "text" + } + ], + "index": 32 + }, + { + "bbox": [ + 105, + 467, + 506, + 482 + ], + "spans": [ + { + "bbox": [ + 105, + 467, + 506, + 482 + ], + "score": 1.0, + "content": "distribution, the corresponding lazy process also converges eventually under certain conditions. It", + "type": "text" + } + ], + "index": 33 + }, + { + "bbox": [ + 106, + 479, + 505, + 491 + ], + "spans": [ + { + "bbox": [ + 106, + 479, + 505, + 491 + ], + "score": 1.0, + "content": "implies that residual links might not be helpful. However, Li et al. (2019) reported that graph NNs", + "type": "text" + } + ], + "index": 34 + }, + { + "bbox": [ + 106, + 491, + 504, + 502 + ], + "spans": [ + { + "bbox": [ + 106, + 491, + 504, + 502 + ], + "score": 1.0, + "content": "with as many as 56 layers performed well if they added residual connections. Considering that,", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 105, + 500, + 505, + 513 + ], + "spans": [ + { + "bbox": [ + 105, + 500, + 505, + 513 + ], + "score": 1.0, + "content": "the situation could be more complicated than our intuitions. The analysis of the role of residual", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 106, + 513, + 387, + 524 + ], + "spans": [ + { + "bbox": [ + 106, + 513, + 387, + 524 + ], + "score": 1.0, + "content": "connections in graph NNs is a promising direction for future research.", + "type": "text" + } + ], + "index": 37 + } + ], + "index": 33 + }, + { + "type": "title", + "bbox": [ + 107, + 554, + 195, + 567 + ], + "lines": [ + { + "bbox": [ + 105, + 553, + 198, + 570 + ], + "spans": [ + { + "bbox": [ + 105, + 553, + 198, + 570 + ], + "score": 1.0, + "content": "8 CONCLUSION", + "type": "text" + } + ], + "index": 38 + } + ], + "index": 38 + }, + { + "type": "text", + "bbox": [ + 107, + 589, + 505, + 732 + ], + "lines": [ + { + "bbox": [ + 105, + 588, + 506, + 601 + ], + "spans": [ + { + "bbox": [ + 105, + 588, + 506, + 601 + ], + "score": 1.0, + "content": "In this paper, to understand the empirically observed phenomena that deep non-linear graph NNs", + "type": "text" + } + ], + "index": 39 + }, + { + "bbox": [ + 106, + 601, + 505, + 612 + ], + "spans": [ + { + "bbox": [ + 106, + 601, + 505, + 612 + ], + "score": 1.0, + "content": "do not perform well, we analyzed their asymptotic behaviors by interpreting them as a dynamical", + "type": "text" + } + ], + "index": 40 + }, + { + "bbox": [ + 105, + 610, + 506, + 624 + ], + "spans": [ + { + "bbox": [ + 105, + 610, + 506, + 624 + ], + "score": 1.0, + "content": "system that includes GCN and Markov process as special cases. We gave theoretical conditions", + "type": "text" + } + ], + "index": 41 + }, + { + "bbox": [ + 105, + 621, + 505, + 635 + ], + "spans": [ + { + "bbox": [ + 105, + 621, + 505, + 635 + ], + "score": 1.0, + "content": "under which GCNs suffer from the information loss in the limit of infinite layers. Our theory directly", + "type": "text" + } + ], + "index": 42 + }, + { + "bbox": [ + 105, + 632, + 506, + 647 + ], + "spans": [ + { + "bbox": [ + 105, + 632, + 506, + 647 + ], + "score": 1.0, + "content": "related the expressive power of graph NNs and topological information of the underlying graphs via", + "type": "text" + } + ], + "index": 43 + }, + { + "bbox": [ + 105, + 644, + 505, + 656 + ], + "spans": [ + { + "bbox": [ + 105, + 644, + 505, + 656 + ], + "score": 1.0, + "content": "spectra of the Laplacian. It enabled us to leverage spectral and random graph theory to analyze the", + "type": "text" + } + ], + "index": 44 + }, + { + "bbox": [ + 105, + 654, + 506, + 668 + ], + "spans": [ + { + "bbox": [ + 105, + 654, + 506, + 668 + ], + "score": 1.0, + "content": "expressive power of graph NNs. To demonstrate this, we considered GCN on the Erdos – R ˝ enyi ´", + "type": "text" + } + ], + "index": 45 + }, + { + "bbox": [ + 105, + 664, + 506, + 680 + ], + "spans": [ + { + "bbox": [ + 105, + 664, + 506, + 680 + ], + "score": 1.0, + "content": "graph as an example and showed that when the underlying graph is sufficiently dense and large,", + "type": "text" + } + ], + "index": 46 + }, + { + "bbox": [ + 104, + 676, + 506, + 691 + ], + "spans": [ + { + "bbox": [ + 104, + 676, + 506, + 691 + ], + "score": 1.0, + "content": "a wide range of GCNs on the graph suffer from information loss. Based on the theory, we gave", + "type": "text" + } + ], + "index": 47 + }, + { + "bbox": [ + 105, + 688, + 505, + 700 + ], + "spans": [ + { + "bbox": [ + 105, + 688, + 505, + 700 + ], + "score": 1.0, + "content": "a principled guideline for how to determine the scale of weights of graph NNs and empirically", + "type": "text" + } + ], + "index": 48 + }, + { + "bbox": [ + 106, + 699, + 505, + 711 + ], + "spans": [ + { + "bbox": [ + 106, + 699, + 505, + 711 + ], + "score": 1.0, + "content": "showed that the weight normalization implied by our theory performed well in real datasets. One", + "type": "text" + } + ], + "index": 49 + }, + { + "bbox": [ + 105, + 709, + 505, + 723 + ], + "spans": [ + { + "bbox": [ + 105, + 709, + 505, + 723 + ], + "score": 1.0, + "content": "promising direction of research is to analyze the optimization and statistical properties such as the", + "type": "text" + } + ], + "index": 50 + }, + { + "bbox": [ + 105, + 720, + 503, + 734 + ], + "spans": [ + { + "bbox": [ + 105, + 720, + 503, + 734 + ], + "score": 1.0, + "content": "generalization power (Verma & Zhang, 2019) of graph NNs via spectral and random graph theories.", + "type": "text" + } + ], + "index": 51 + } + ], + "index": 45 + } + ], + "page_idx": 8, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 108, + 27, + 293, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 302, + 751, + 308, + 759 + ], + "lines": [ + { + "bbox": [ + 302, + 751, + 309, + 762 + ], + "spans": [ + { + "bbox": [ + 302, + 751, + 309, + 762 + ], + "score": 1.0, + "content": "9", + "type": "text" + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "text", + "bbox": [ + 105, + 82, + 503, + 105 + ], + "lines": [], + "index": 0.5, + "bbox_fs": [ + 105, + 82, + 506, + 106 + ], + "lines_deleted": true + }, + { + "type": "text", + "bbox": [ + 107, + 110, + 504, + 187 + ], + "lines": [ + { + "bbox": [ + 105, + 110, + 506, + 123 + ], + "spans": [ + { + "bbox": [ + 105, + 110, + 506, + 123 + ], + "score": 1.0, + "content": "Graph NNs with Large Weights. Our theory suggests that the maximum singular values of weights", + "type": "text" + } + ], + "index": 2 + }, + { + "bbox": [ + 105, + 120, + 505, + 133 + ], + "spans": [ + { + "bbox": [ + 105, + 120, + 307, + 133 + ], + "score": 1.0, + "content": "in a GCN should not be smaller than a threshold", + "type": "text" + }, + { + "bbox": [ + 307, + 121, + 325, + 132 + ], + "score": 0.9, + "content": "\\bar { \\lambda } ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 325, + 120, + 505, + 133 + ], + "score": 1.0, + "content": "because it suffers from information loss for", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 105, + 131, + 505, + 146 + ], + "spans": [ + { + "bbox": [ + 105, + 131, + 505, + 146 + ], + "score": 1.0, + "content": "node classification. On the other hand, if the scale of weights are very large, the model complexity", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 105, + 143, + 506, + 156 + ], + "spans": [ + { + "bbox": [ + 105, + 143, + 506, + 156 + ], + "score": 1.0, + "content": "of the function class represented by graph NNs increases, which may cause large generalization", + "type": "text" + } + ], + "index": 5 + }, + { + "bbox": [ + 105, + 154, + 506, + 167 + ], + "spans": [ + { + "bbox": [ + 105, + 154, + 506, + 167 + ], + "score": 1.0, + "content": "errors. Therefore, from a statistical learning theory perspective, we conjecture that the graph NNs", + "type": "text" + } + ], + "index": 6 + }, + { + "bbox": [ + 105, + 165, + 506, + 179 + ], + "spans": [ + { + "bbox": [ + 105, + 165, + 506, + 179 + ], + "score": 1.0, + "content": "with too-large weights perform poorly, too. A trade-off should exist between the expressive power", + "type": "text" + } + ], + "index": 7 + }, + { + "bbox": [ + 106, + 177, + 505, + 189 + ], + "spans": [ + { + "bbox": [ + 106, + 177, + 505, + 189 + ], + "score": 1.0, + "content": "and model complexity and there should be a “sweet spot” on the weight scale that balances the two.", + "type": "text" + } + ], + "index": 8 + } + ], + "index": 5, + "bbox_fs": [ + 105, + 110, + 506, + 189 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 193, + 505, + 325 + ], + "lines": [ + { + "bbox": [ + 105, + 192, + 505, + 206 + ], + "spans": [ + { + "bbox": [ + 105, + 192, + 505, + 206 + ], + "score": 1.0, + "content": "Relation to Double Descent Phenomena. Belkin et al. (2019) pointed out that modern deep mod-", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 105, + 204, + 505, + 216 + ], + "spans": [ + { + "bbox": [ + 105, + 204, + 505, + 216 + ], + "score": 1.0, + "content": "els often have double descent risk curves: when a model is under-parameterized, a classical bias-", + "type": "text" + } + ], + "index": 10 + }, + { + "bbox": [ + 106, + 214, + 505, + 228 + ], + "spans": [ + { + "bbox": [ + 106, + 214, + 505, + 228 + ], + "score": 1.0, + "content": "variance trade-off occurs. However, once the model has a large capacity and perfectly fits the training", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 105, + 226, + 505, + 239 + ], + "spans": [ + { + "bbox": [ + 105, + 226, + 505, + 239 + ], + "score": 1.0, + "content": "data, the test error decreases as we increase the number of parameters. To the best of our knowl-", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 106, + 238, + 505, + 249 + ], + "spans": [ + { + "bbox": [ + 106, + 238, + 505, + 249 + ], + "score": 1.0, + "content": "edge, no literature reported the double descent phenomena for graph NNs (it is consistent with the", + "type": "text" + } + ], + "index": 13 + }, + { + "bbox": [ + 105, + 248, + 505, + 260 + ], + "spans": [ + { + "bbox": [ + 105, + 248, + 505, + 260 + ], + "score": 1.0, + "content": "picture of the classical U-shaped risk curve in the previous paragraph). It is known that double", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 105, + 259, + 505, + 272 + ], + "spans": [ + { + "bbox": [ + 105, + 259, + 505, + 272 + ], + "score": 1.0, + "content": "descent phenomena do not occur in some situations, especially depending on regularization types.", + "type": "text" + } + ], + "index": 15 + }, + { + "bbox": [ + 105, + 270, + 505, + 282 + ], + "spans": [ + { + "bbox": [ + 105, + 270, + 505, + 282 + ], + "score": 1.0, + "content": "For example, while Belkin et al. (2019) employed the interpolating hypothesis with the minimum", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 105, + 281, + 505, + 293 + ], + "spans": [ + { + "bbox": [ + 105, + 281, + 505, + 293 + ], + "score": 1.0, + "content": "norm, Mei & Montanari (2019) found that the double descent was alleviated or disappeared when", + "type": "text" + } + ], + "index": 17 + }, + { + "bbox": [ + 105, + 291, + 505, + 305 + ], + "spans": [ + { + "bbox": [ + 105, + 291, + 505, + 305 + ], + "score": 1.0, + "content": "they used Ridge-type regularization techniques. Therefore, one can hypothesize the over-smoothing", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 105, + 303, + 505, + 316 + ], + "spans": [ + { + "bbox": [ + 105, + 303, + 505, + 316 + ], + "score": 1.0, + "content": "is a cause or consequence of regularization that is more like a Ridge-type rather than minimum-norm", + "type": "text" + } + ], + "index": 19 + }, + { + "bbox": [ + 106, + 313, + 167, + 325 + ], + "spans": [ + { + "bbox": [ + 106, + 313, + 167, + 325 + ], + "score": 1.0, + "content": "inductive bias.", + "type": "text" + } + ], + "index": 20 + } + ], + "index": 14.5, + "bbox_fs": [ + 105, + 192, + 505, + 325 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 330, + 505, + 419 + ], + "lines": [ + { + "bbox": [ + 105, + 330, + 505, + 343 + ], + "spans": [ + { + "bbox": [ + 105, + 330, + 505, + 343 + ], + "score": 1.0, + "content": "Limitations in Graph NN Architectures. Our analysis is limited to graph NNs with the ReLU", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 106, + 342, + 505, + 354 + ], + "spans": [ + { + "bbox": [ + 106, + 342, + 505, + 354 + ], + "score": 1.0, + "content": "activation function because we implicitly use the property that ReLU is a projection onto the cone", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 107, + 352, + 505, + 365 + ], + "spans": [ + { + "bbox": [ + 107, + 352, + 145, + 365 + ], + "score": 0.92, + "content": "\\{ X \\geq 0 \\}", + "type": "inline_equation" + }, + { + "bbox": [ + 146, + 352, + 505, + 365 + ], + "score": 1.0, + "content": "(Appendix A, Lemma 3). This fact enables the ReLU function to get along with the non-", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 105, + 363, + 505, + 376 + ], + "spans": [ + { + "bbox": [ + 105, + 363, + 505, + 376 + ], + "score": 1.0, + "content": "negativity of eigenvectors associated with the largest eigenvalues. Therefore, it is far from trivial to", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 105, + 375, + 505, + 387 + ], + "spans": [ + { + "bbox": [ + 105, + 375, + 505, + 387 + ], + "score": 1.0, + "content": "extend our results to other activation functions such as the sigmoid function or Leaky ReLU (Maas", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 105, + 385, + 505, + 398 + ], + "spans": [ + { + "bbox": [ + 105, + 385, + 505, + 398 + ], + "score": 1.0, + "content": "et al., 2013). Another point is that our formulation considers the update operation (Gilmer et al.,", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 105, + 396, + 506, + 409 + ], + "spans": [ + { + "bbox": [ + 105, + 396, + 506, + 409 + ], + "score": 1.0, + "content": "2017) of graph NNs only and does not take readout operations into account. In particular, we cannot", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 105, + 406, + 452, + 421 + ], + "spans": [ + { + "bbox": [ + 105, + 406, + 452, + 421 + ], + "score": 1.0, + "content": "directly apply our theory to graph classification tasks in which each sample is a graph.", + "type": "text" + } + ], + "index": 28 + } + ], + "index": 24.5, + "bbox_fs": [ + 105, + 330, + 506, + 421 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 424, + 505, + 523 + ], + "lines": [ + { + "bbox": [ + 106, + 424, + 505, + 436 + ], + "spans": [ + { + "bbox": [ + 106, + 424, + 505, + 436 + ], + "score": 1.0, + "content": "Over-smoothing of Residual GNNs. Considering the correspondence of graph NNs and Markov", + "type": "text" + } + ], + "index": 29 + }, + { + "bbox": [ + 105, + 435, + 505, + 448 + ], + "spans": [ + { + "bbox": [ + 105, + 435, + 505, + 448 + ], + "score": 1.0, + "content": "processes (see Appendix F), one can imagine that residual links do not contribute to alleviating", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 105, + 446, + 505, + 459 + ], + "spans": [ + { + "bbox": [ + 105, + 446, + 505, + 459 + ], + "score": 1.0, + "content": "the over-smoothing phenomena because adding residual connections to a graph NN corresponds", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 105, + 457, + 506, + 470 + ], + "spans": [ + { + "bbox": [ + 105, + 457, + 506, + 470 + ], + "score": 1.0, + "content": "to converting a Markov process to its lazy version. When a Markov process converges to a stable", + "type": "text" + } + ], + "index": 32 + }, + { + "bbox": [ + 105, + 467, + 506, + 482 + ], + "spans": [ + { + "bbox": [ + 105, + 467, + 506, + 482 + ], + "score": 1.0, + "content": "distribution, the corresponding lazy process also converges eventually under certain conditions. It", + "type": "text" + } + ], + "index": 33 + }, + { + "bbox": [ + 106, + 479, + 505, + 491 + ], + "spans": [ + { + "bbox": [ + 106, + 479, + 505, + 491 + ], + "score": 1.0, + "content": "implies that residual links might not be helpful. However, Li et al. (2019) reported that graph NNs", + "type": "text" + } + ], + "index": 34 + }, + { + "bbox": [ + 106, + 491, + 504, + 502 + ], + "spans": [ + { + "bbox": [ + 106, + 491, + 504, + 502 + ], + "score": 1.0, + "content": "with as many as 56 layers performed well if they added residual connections. Considering that,", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 105, + 500, + 505, + 513 + ], + "spans": [ + { + "bbox": [ + 105, + 500, + 505, + 513 + ], + "score": 1.0, + "content": "the situation could be more complicated than our intuitions. The analysis of the role of residual", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 106, + 513, + 387, + 524 + ], + "spans": [ + { + "bbox": [ + 106, + 513, + 387, + 524 + ], + "score": 1.0, + "content": "connections in graph NNs is a promising direction for future research.", + "type": "text" + } + ], + "index": 37 + } + ], + "index": 33, + "bbox_fs": [ + 105, + 424, + 506, + 524 + ] + }, + { + "type": "title", + "bbox": [ + 107, + 554, + 195, + 567 + ], + "lines": [ + { + "bbox": [ + 105, + 553, + 198, + 570 + ], + "spans": [ + { + "bbox": [ + 105, + 553, + 198, + 570 + ], + "score": 1.0, + "content": "8 CONCLUSION", + "type": "text" + } + ], + "index": 38 + } + ], + "index": 38 + }, + { + "type": "text", + "bbox": [ + 107, + 589, + 505, + 732 + ], + "lines": [ + { + "bbox": [ + 105, + 588, + 506, + 601 + ], + "spans": [ + { + "bbox": [ + 105, + 588, + 506, + 601 + ], + "score": 1.0, + "content": "In this paper, to understand the empirically observed phenomena that deep non-linear graph NNs", + "type": "text" + } + ], + "index": 39 + }, + { + "bbox": [ + 106, + 601, + 505, + 612 + ], + "spans": [ + { + "bbox": [ + 106, + 601, + 505, + 612 + ], + "score": 1.0, + "content": "do not perform well, we analyzed their asymptotic behaviors by interpreting them as a dynamical", + "type": "text" + } + ], + "index": 40 + }, + { + "bbox": [ + 105, + 610, + 506, + 624 + ], + "spans": [ + { + "bbox": [ + 105, + 610, + 506, + 624 + ], + "score": 1.0, + "content": "system that includes GCN and Markov process as special cases. We gave theoretical conditions", + "type": "text" + } + ], + "index": 41 + }, + { + "bbox": [ + 105, + 621, + 505, + 635 + ], + "spans": [ + { + "bbox": [ + 105, + 621, + 505, + 635 + ], + "score": 1.0, + "content": "under which GCNs suffer from the information loss in the limit of infinite layers. Our theory directly", + "type": "text" + } + ], + "index": 42 + }, + { + "bbox": [ + 105, + 632, + 506, + 647 + ], + "spans": [ + { + "bbox": [ + 105, + 632, + 506, + 647 + ], + "score": 1.0, + "content": "related the expressive power of graph NNs and topological information of the underlying graphs via", + "type": "text" + } + ], + "index": 43 + }, + { + "bbox": [ + 105, + 644, + 505, + 656 + ], + "spans": [ + { + "bbox": [ + 105, + 644, + 505, + 656 + ], + "score": 1.0, + "content": "spectra of the Laplacian. It enabled us to leverage spectral and random graph theory to analyze the", + "type": "text" + } + ], + "index": 44 + }, + { + "bbox": [ + 105, + 654, + 506, + 668 + ], + "spans": [ + { + "bbox": [ + 105, + 654, + 506, + 668 + ], + "score": 1.0, + "content": "expressive power of graph NNs. To demonstrate this, we considered GCN on the Erdos – R ˝ enyi ´", + "type": "text" + } + ], + "index": 45 + }, + { + "bbox": [ + 105, + 664, + 506, + 680 + ], + "spans": [ + { + "bbox": [ + 105, + 664, + 506, + 680 + ], + "score": 1.0, + "content": "graph as an example and showed that when the underlying graph is sufficiently dense and large,", + "type": "text" + } + ], + "index": 46 + }, + { + "bbox": [ + 104, + 676, + 506, + 691 + ], + "spans": [ + { + "bbox": [ + 104, + 676, + 506, + 691 + ], + "score": 1.0, + "content": "a wide range of GCNs on the graph suffer from information loss. Based on the theory, we gave", + "type": "text" + } + ], + "index": 47 + }, + { + "bbox": [ + 105, + 688, + 505, + 700 + ], + "spans": [ + { + "bbox": [ + 105, + 688, + 505, + 700 + ], + "score": 1.0, + "content": "a principled guideline for how to determine the scale of weights of graph NNs and empirically", + "type": "text" + } + ], + "index": 48 + }, + { + "bbox": [ + 106, + 699, + 505, + 711 + ], + "spans": [ + { + "bbox": [ + 106, + 699, + 505, + 711 + ], + "score": 1.0, + "content": "showed that the weight normalization implied by our theory performed well in real datasets. One", + "type": "text" + } + ], + "index": 49 + }, + { + "bbox": [ + 105, + 709, + 505, + 723 + ], + "spans": [ + { + "bbox": [ + 105, + 709, + 505, + 723 + ], + "score": 1.0, + "content": "promising direction of research is to analyze the optimization and statistical properties such as the", + "type": "text" + } + ], + "index": 50 + }, + { + "bbox": [ + 105, + 720, + 503, + 734 + ], + "spans": [ + { + "bbox": [ + 105, + 720, + 503, + 734 + ], + "score": 1.0, + "content": "generalization power (Verma & Zhang, 2019) of graph NNs via spectral and random graph theories.", + "type": "text" + } + ], + "index": 51 + } + ], + "index": 45, + "bbox_fs": [ + 104, + 588, + 506, + 734 + ] + } + ] + }, + { + "preproc_blocks": [ + { + "type": "title", + "bbox": [ + 108, + 83, + 200, + 93 + ], + "lines": [ + { + "bbox": [ + 107, + 83, + 200, + 94 + ], + "spans": [ + { + "bbox": [ + 107, + 83, + 200, + 94 + ], + "score": 1.0, + "content": "ACKNOWLEDGMENTS", + "type": "text" + } + ], + "index": 0 + } + ], + "index": 0 + }, + { + "type": "text", + "bbox": [ + 107, + 101, + 505, + 156 + ], + "lines": [ + { + "bbox": [ + 106, + 100, + 505, + 115 + ], + "spans": [ + { + "bbox": [ + 106, + 100, + 505, + 115 + ], + "score": 1.0, + "content": "We thank Katsuhiko Ishiguro for providing a part of code for the experiments, Kohei Hayashi and", + "type": "text" + } + ], + "index": 1 + }, + { + "bbox": [ + 105, + 112, + 505, + 126 + ], + "spans": [ + { + "bbox": [ + 105, + 112, + 505, + 126 + ], + "score": 1.0, + "content": "Haru Negami Oono for giving us feedback and comments on the draft, Keyulu Xu and anonymous", + "type": "text" + } + ], + "index": 2 + }, + { + "bbox": [ + 105, + 123, + 505, + 137 + ], + "spans": [ + { + "bbox": [ + 105, + 123, + 505, + 137 + ], + "score": 1.0, + "content": "reviewers for fruitful discussions via OpenReview, and Ryuta Osawa for pointing out errors and", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 105, + 134, + 505, + 147 + ], + "spans": [ + { + "bbox": [ + 105, + 134, + 505, + 147 + ], + "score": 1.0, + "content": "suggesting improvements of the paper. TS was partially supported by JSPS KAKENHI (15H05707,", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 106, + 145, + 380, + 158 + ], + "spans": [ + { + "bbox": [ + 106, + 145, + 380, + 158 + ], + "score": 1.0, + "content": "18K19793, and 18H03201), Japan Digital Design, and JST CREST.", + "type": "text" + } + ], + "index": 5 + } + ], + "index": 3 + }, + { + "type": "title", + "bbox": [ + 107, + 173, + 175, + 185 + ], + "lines": [ + { + "bbox": [ + 106, + 174, + 176, + 186 + ], + "spans": [ + { + "bbox": [ + 106, + 174, + 176, + 186 + ], + "score": 1.0, + "content": "REFERENCES", + "type": "text" + } + ], + "index": 6 + } + ], + "index": 6 + }, + { + "type": "text", + "bbox": [ + 107, + 192, + 505, + 246 + ], + "lines": [ + { + "bbox": [ + 106, + 191, + 505, + 205 + ], + "spans": [ + { + "bbox": [ + 106, + 191, + 505, + 205 + ], + "score": 1.0, + "content": "Takuya Akiba, Shotaro Sano, Toshihiko Yanase, Takeru Ohta, and Masanori Koyama. Optuna:", + "type": "text" + } + ], + "index": 7 + }, + { + "bbox": [ + 115, + 203, + 505, + 216 + ], + "spans": [ + { + "bbox": [ + 115, + 203, + 505, + 216 + ], + "score": 1.0, + "content": "A next-generation hyperparameter optimization framework. In Proceedings of the 25th ACM", + "type": "text" + } + ], + "index": 8 + }, + { + "bbox": [ + 114, + 212, + 506, + 228 + ], + "spans": [ + { + "bbox": [ + 114, + 212, + 506, + 228 + ], + "score": 1.0, + "content": "SIGKDD International Conference on Knowledge Discovery & Data Mining, KDD ’19, pp.", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 116, + 225, + 504, + 237 + ], + "spans": [ + { + "bbox": [ + 116, + 225, + 504, + 237 + ], + "score": 1.0, + "content": "2623–2631, New York, NY, USA, 2019. ACM. ISBN 978-1-4503-6201-6. doi: 10.1145/3292500.", + "type": "text" + } + ], + "index": 10 + }, + { + "bbox": [ + 115, + 235, + 156, + 249 + ], + "spans": [ + { + "bbox": [ + 115, + 235, + 156, + 249 + ], + "score": 1.0, + "content": "3330701.", + "type": "text" + } + ], + "index": 11 + } + ], + "index": 9 + }, + { + "type": "text", + "bbox": [ + 106, + 254, + 503, + 277 + ], + "lines": [ + { + "bbox": [ + 106, + 254, + 504, + 267 + ], + "spans": [ + { + "bbox": [ + 106, + 254, + 504, + 267 + ], + "score": 1.0, + "content": "Dana Angluin and Leslie G Valiant. Fast probabilistic algorithms for hamiltonian circuits and match-", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 115, + 266, + 399, + 277 + ], + "spans": [ + { + "bbox": [ + 115, + 266, + 399, + 277 + ], + "score": 1.0, + "content": "ings. Journal of Computer and system Sciences, 18(2):155–193, 1979.", + "type": "text" + } + ], + "index": 13 + } + ], + "index": 12.5 + }, + { + "type": "text", + "bbox": [ + 106, + 284, + 502, + 307 + ], + "lines": [ + { + "bbox": [ + 105, + 283, + 504, + 298 + ], + "spans": [ + { + "bbox": [ + 105, + 283, + 504, + 298 + ], + "score": 1.0, + "content": "Andrew R Barron. Universal approximation bounds for superpositions of a sigmoidal function.", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 116, + 295, + 377, + 307 + ], + "spans": [ + { + "bbox": [ + 116, + 295, + 377, + 307 + ], + "score": 1.0, + "content": "IEEE Transactions on Information theory, 39(3):930–945, 1993.", + "type": "text" + } + ], + "index": 15 + } + ], + "index": 14.5 + }, + { + "type": "text", + "bbox": [ + 106, + 313, + 505, + 358 + ], + "lines": [ + { + "bbox": [ + 106, + 314, + 505, + 326 + ], + "spans": [ + { + "bbox": [ + 106, + 314, + 505, + 326 + ], + "score": 1.0, + "content": "Peter W Battaglia, Jessica B Hamrick, Victor Bapst, Alvaro Sanchez-Gonzalez, Vinicius Zambaldi,", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 116, + 325, + 505, + 337 + ], + "spans": [ + { + "bbox": [ + 116, + 325, + 505, + 337 + ], + "score": 1.0, + "content": "Mateusz Malinowski, Andrea Tacchetti, David Raposo, Adam Santoro, Ryan Faulkner, et al.", + "type": "text" + } + ], + "index": 17 + }, + { + "bbox": [ + 114, + 335, + 506, + 349 + ], + "spans": [ + { + "bbox": [ + 114, + 335, + 506, + 349 + ], + "score": 1.0, + "content": "Relational inductive biases, deep learning, and graph networks. arXiv preprint arXiv:1806.01261,", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 115, + 346, + 142, + 358 + ], + "spans": [ + { + "bbox": [ + 115, + 346, + 142, + 358 + ], + "score": 1.0, + "content": "2018.", + "type": "text" + } + ], + "index": 19 + } + ], + "index": 17.5 + }, + { + "type": "text", + "bbox": [ + 106, + 365, + 505, + 399 + ], + "lines": [ + { + "bbox": [ + 105, + 364, + 504, + 378 + ], + "spans": [ + { + "bbox": [ + 105, + 364, + 504, + 378 + ], + "score": 1.0, + "content": "Mikhail Belkin, Daniel Hsu, Siyuan Ma, and Soumik Mandal. Reconciling modern machine-", + "type": "text" + } + ], + "index": 20 + }, + { + "bbox": [ + 115, + 375, + 505, + 390 + ], + "spans": [ + { + "bbox": [ + 115, + 375, + 505, + 390 + ], + "score": 1.0, + "content": "learning practice and the classical bias–variance trade-off. Proceedings of the National Academy", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 115, + 388, + 285, + 399 + ], + "spans": [ + { + "bbox": [ + 115, + 388, + 285, + 399 + ], + "score": 1.0, + "content": "of Sciences, 116(32):15849–15854, 2019.", + "type": "text" + } + ], + "index": 22 + } + ], + "index": 21 + }, + { + "type": "text", + "bbox": [ + 106, + 406, + 506, + 439 + ], + "lines": [ + { + "bbox": [ + 104, + 405, + 505, + 420 + ], + "spans": [ + { + "bbox": [ + 104, + 405, + 505, + 420 + ], + "score": 1.0, + "content": "James S. Bergstra, Remi Bardenet, Yoshua Bengio, and Bal ´ azs K ´ egl. Algorithms for hyper- ´", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 115, + 417, + 505, + 430 + ], + "spans": [ + { + "bbox": [ + 115, + 417, + 505, + 430 + ], + "score": 1.0, + "content": "parameter optimization. In Advances in Neural Information Processing Systems 24, pp. 2546–", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 116, + 428, + 264, + 439 + ], + "spans": [ + { + "bbox": [ + 116, + 428, + 264, + 439 + ], + "score": 1.0, + "content": "2554. Curran Associates, Inc., 2011.", + "type": "text" + } + ], + "index": 25 + } + ], + "index": 24 + }, + { + "type": "text", + "bbox": [ + 106, + 446, + 504, + 480 + ], + "lines": [ + { + "bbox": [ + 105, + 446, + 506, + 460 + ], + "spans": [ + { + "bbox": [ + 105, + 446, + 506, + 460 + ], + "score": 1.0, + "content": "Jie Chen, Tengfei Ma, and Cao Xiao. FastGCN: Fast learning with graph convolutional networks", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 116, + 458, + 505, + 470 + ], + "spans": [ + { + "bbox": [ + 116, + 458, + 505, + 470 + ], + "score": 1.0, + "content": "via importance sampling. In International Conference on Learning Representations, 2018a. URL", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 116, + 469, + 366, + 482 + ], + "spans": [ + { + "bbox": [ + 116, + 469, + 302, + 482 + ], + "score": 1.0, + "content": "https://openreview.net/forum?id", + "type": "text" + }, + { + "bbox": [ + 302, + 470, + 309, + 478 + ], + "score": 0.54, + "content": "\\underline { { \\underline { { \\mathbf { \\Pi } } } } } =", + "type": "inline_equation" + }, + { + "bbox": [ + 309, + 469, + 366, + 482 + ], + "score": 1.0, + "content": "rytstxWAW.", + "type": "text" + } + ], + "index": 28 + } + ], + "index": 27 + }, + { + "type": "text", + "bbox": [ + 107, + 487, + 505, + 531 + ], + "lines": [ + { + "bbox": [ + 105, + 487, + 506, + 500 + ], + "spans": [ + { + "bbox": [ + 105, + 487, + 506, + 500 + ], + "score": 1.0, + "content": "Minmin Chen, Jeffrey Pennington, and Samuel Schoenholz. Dynamical isometry and a mean field", + "type": "text" + } + ], + "index": 29 + }, + { + "bbox": [ + 115, + 498, + 505, + 511 + ], + "spans": [ + { + "bbox": [ + 115, + 498, + 505, + 511 + ], + "score": 1.0, + "content": "theory of RNNs: Gating enables signal propagation in recurrent neural networks. In Proceedings", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 117, + 510, + 505, + 522 + ], + "spans": [ + { + "bbox": [ + 117, + 510, + 505, + 522 + ], + "score": 1.0, + "content": "of the 35th International Conference on Machine Learning, volume 80 of Proceedings of Machine", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 115, + 520, + 356, + 533 + ], + "spans": [ + { + "bbox": [ + 115, + 520, + 356, + 533 + ], + "score": 1.0, + "content": "Learning Research, pp. 873–882. PMLR, 10–15 Jul 2018b.", + "type": "text" + } + ], + "index": 32 + } + ], + "index": 30.5 + }, + { + "type": "text", + "bbox": [ + 106, + 539, + 505, + 584 + ], + "lines": [ + { + "bbox": [ + 106, + 540, + 505, + 551 + ], + "spans": [ + { + "bbox": [ + 106, + 540, + 505, + 551 + ], + "score": 1.0, + "content": "Anna Choromanska, Yann LeCun, and Gerard Ben Arous. Open problem: The landscape of the ´", + "type": "text" + } + ], + "index": 33 + }, + { + "bbox": [ + 115, + 550, + 506, + 563 + ], + "spans": [ + { + "bbox": [ + 115, + 550, + 506, + 563 + ], + "score": 1.0, + "content": "loss surfaces of multilayer networks. In Peter Grunwald, Elad Hazan, and Satyen Kale (eds.), ¨", + "type": "text" + } + ], + "index": 34 + }, + { + "bbox": [ + 116, + 561, + 506, + 574 + ], + "spans": [ + { + "bbox": [ + 116, + 561, + 506, + 574 + ], + "score": 1.0, + "content": "Proceedings of The 28th Conference on Learning Theory, volume 40 of Proceedings of Machine", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 115, + 572, + 319, + 584 + ], + "spans": [ + { + "bbox": [ + 115, + 572, + 319, + 584 + ], + "score": 1.0, + "content": "Learning Research, pp. 1756–1760. PMLR, 2015.", + "type": "text" + } + ], + "index": 36 + } + ], + "index": 34.5 + }, + { + "type": "text", + "bbox": [ + 106, + 590, + 503, + 613 + ], + "lines": [ + { + "bbox": [ + 105, + 589, + 505, + 605 + ], + "spans": [ + { + "bbox": [ + 105, + 589, + 505, + 605 + ], + "score": 1.0, + "content": "Fan Chung and Linyuan Lu. Connected components in random graphs with given expected degree", + "type": "text" + } + ], + "index": 37 + }, + { + "bbox": [ + 115, + 602, + 349, + 614 + ], + "spans": [ + { + "bbox": [ + 115, + 602, + 349, + 614 + ], + "score": 1.0, + "content": "sequences. Annals of combinatorics, 6(2):125–145, 2002.", + "type": "text" + } + ], + "index": 38 + } + ], + "index": 37.5 + }, + { + "type": "text", + "bbox": [ + 106, + 620, + 504, + 643 + ], + "lines": [ + { + "bbox": [ + 106, + 619, + 506, + 633 + ], + "spans": [ + { + "bbox": [ + 106, + 619, + 506, + 633 + ], + "score": 1.0, + "content": "Fan Chung and Mary Radcliffe. On the spectra of general random graphs. the electronic journal of", + "type": "text" + } + ], + "index": 39 + }, + { + "bbox": [ + 115, + 631, + 249, + 643 + ], + "spans": [ + { + "bbox": [ + 115, + 631, + 249, + 643 + ], + "score": 1.0, + "content": "combinatorics, 18(1):215, 2011.", + "type": "text" + } + ], + "index": 40 + } + ], + "index": 39.5 + }, + { + "type": "text", + "bbox": [ + 106, + 650, + 503, + 673 + ], + "lines": [ + { + "bbox": [ + 105, + 648, + 505, + 664 + ], + "spans": [ + { + "bbox": [ + 105, + 648, + 505, + 664 + ], + "score": 1.0, + "content": "Fan Chung, Linyuan Lu, and Van Vu. The spectra of random graphs with given expected degrees.", + "type": "text" + } + ], + "index": 41 + }, + { + "bbox": [ + 115, + 660, + 291, + 673 + ], + "spans": [ + { + "bbox": [ + 115, + 660, + 291, + 673 + ], + "score": 1.0, + "content": "Internet Mathematics, 1(3):257–275, 2004.", + "type": "text" + } + ], + "index": 42 + } + ], + "index": 41.5 + }, + { + "type": "text", + "bbox": [ + 106, + 680, + 503, + 703 + ], + "lines": [ + { + "bbox": [ + 105, + 678, + 505, + 693 + ], + "spans": [ + { + "bbox": [ + 105, + 678, + 505, + 693 + ], + "score": 1.0, + "content": "Fan RK Chung and Fan Chung Graham. Spectral graph theory. Number 92 in CBMS Regional", + "type": "text" + } + ], + "index": 43 + }, + { + "bbox": [ + 116, + 691, + 405, + 702 + ], + "spans": [ + { + "bbox": [ + 116, + 691, + 405, + 702 + ], + "score": 1.0, + "content": "Conference Series in Mathematics. American Mathematical Soc., 1997.", + "type": "text" + } + ], + "index": 44 + } + ], + "index": 43.5 + }, + { + "type": "text", + "bbox": [ + 106, + 709, + 503, + 731 + ], + "lines": [ + { + "bbox": [ + 106, + 709, + 505, + 723 + ], + "spans": [ + { + "bbox": [ + 106, + 709, + 322, + 723 + ], + "score": 1.0, + "content": "Amin Coja-Oghlan. On the laplacian eigenvalues of", + "type": "text" + }, + { + "bbox": [ + 322, + 711, + 342, + 722 + ], + "score": 0.9, + "content": "G _ { n , p }", + "type": "inline_equation" + }, + { + "bbox": [ + 343, + 709, + 505, + 723 + ], + "score": 1.0, + "content": ". Combinatorics, Probability and Com-", + "type": "text" + } + ], + "index": 45 + }, + { + "bbox": [ + 114, + 721, + 236, + 731 + ], + "spans": [ + { + "bbox": [ + 114, + 721, + 236, + 731 + ], + "score": 1.0, + "content": "puting, 16(6):923–946, 2007.", + "type": "text" + } + ], + "index": 46 + } + ], + "index": 45.5 + } + ], + "page_idx": 9, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 108, + 27, + 293, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 301, + 751, + 311, + 760 + ], + "lines": [ + { + "bbox": [ + 299, + 750, + 313, + 765 + ], + "spans": [ + { + "bbox": [ + 299, + 750, + 313, + 765 + ], + "score": 1.0, + "content": "", + "type": "text", + "height": 15, + "width": 14 + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "title", + "bbox": [ + 108, + 83, + 200, + 93 + ], + "lines": [ + { + "bbox": [ + 107, + 83, + 200, + 94 + ], + "spans": [ + { + "bbox": [ + 107, + 83, + 200, + 94 + ], + "score": 1.0, + "content": "ACKNOWLEDGMENTS", + "type": "text" + } + ], + "index": 0 + } + ], + "index": 0 + }, + { + "type": "text", + "bbox": [ + 107, + 101, + 505, + 156 + ], + "lines": [ + { + "bbox": [ + 106, + 100, + 505, + 115 + ], + "spans": [ + { + "bbox": [ + 106, + 100, + 505, + 115 + ], + "score": 1.0, + "content": "We thank Katsuhiko Ishiguro for providing a part of code for the experiments, Kohei Hayashi and", + "type": "text" + } + ], + "index": 1 + }, + { + "bbox": [ + 105, + 112, + 505, + 126 + ], + "spans": [ + { + "bbox": [ + 105, + 112, + 505, + 126 + ], + "score": 1.0, + "content": "Haru Negami Oono for giving us feedback and comments on the draft, Keyulu Xu and anonymous", + "type": "text" + } + ], + "index": 2 + }, + { + "bbox": [ + 105, + 123, + 505, + 137 + ], + "spans": [ + { + "bbox": [ + 105, + 123, + 505, + 137 + ], + "score": 1.0, + "content": "reviewers for fruitful discussions via OpenReview, and Ryuta Osawa for pointing out errors and", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 105, + 134, + 505, + 147 + ], + "spans": [ + { + "bbox": [ + 105, + 134, + 505, + 147 + ], + "score": 1.0, + "content": "suggesting improvements of the paper. TS was partially supported by JSPS KAKENHI (15H05707,", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 106, + 145, + 380, + 158 + ], + "spans": [ + { + "bbox": [ + 106, + 145, + 380, + 158 + ], + "score": 1.0, + "content": "18K19793, and 18H03201), Japan Digital Design, and JST CREST.", + "type": "text" + } + ], + "index": 5 + } + ], + "index": 3, + "bbox_fs": [ + 105, + 100, + 505, + 158 + ] + }, + { + "type": "title", + "bbox": [ + 107, + 173, + 175, + 185 + ], + "lines": [ + { + "bbox": [ + 106, + 174, + 176, + 186 + ], + "spans": [ + { + "bbox": [ + 106, + 174, + 176, + 186 + ], + "score": 1.0, + "content": "REFERENCES", + "type": "text" + } + ], + "index": 6 + } + ], + "index": 6 + }, + { + "type": "text", + "bbox": [ + 107, + 192, + 505, + 246 + ], + "lines": [ + { + "bbox": [ + 106, + 191, + 505, + 205 + ], + "spans": [ + { + "bbox": [ + 106, + 191, + 505, + 205 + ], + "score": 1.0, + "content": "Takuya Akiba, Shotaro Sano, Toshihiko Yanase, Takeru Ohta, and Masanori Koyama. Optuna:", + "type": "text" + } + ], + "index": 7 + }, + { + "bbox": [ + 115, + 203, + 505, + 216 + ], + "spans": [ + { + "bbox": [ + 115, + 203, + 505, + 216 + ], + "score": 1.0, + "content": "A next-generation hyperparameter optimization framework. In Proceedings of the 25th ACM", + "type": "text" + } + ], + "index": 8 + }, + { + "bbox": [ + 114, + 212, + 506, + 228 + ], + "spans": [ + { + "bbox": [ + 114, + 212, + 506, + 228 + ], + "score": 1.0, + "content": "SIGKDD International Conference on Knowledge Discovery & Data Mining, KDD ’19, pp.", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 116, + 225, + 504, + 237 + ], + "spans": [ + { + "bbox": [ + 116, + 225, + 504, + 237 + ], + "score": 1.0, + "content": "2623–2631, New York, NY, USA, 2019. ACM. ISBN 978-1-4503-6201-6. doi: 10.1145/3292500.", + "type": "text" + } + ], + "index": 10 + }, + { + "bbox": [ + 115, + 235, + 156, + 249 + ], + "spans": [ + { + "bbox": [ + 115, + 235, + 156, + 249 + ], + "score": 1.0, + "content": "3330701.", + "type": "text" + } + ], + "index": 11 + } + ], + "index": 9, + "bbox_fs": [ + 106, + 191, + 506, + 249 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 254, + 503, + 277 + ], + "lines": [ + { + "bbox": [ + 106, + 254, + 504, + 267 + ], + "spans": [ + { + "bbox": [ + 106, + 254, + 504, + 267 + ], + "score": 1.0, + "content": "Dana Angluin and Leslie G Valiant. Fast probabilistic algorithms for hamiltonian circuits and match-", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 115, + 266, + 399, + 277 + ], + "spans": [ + { + "bbox": [ + 115, + 266, + 399, + 277 + ], + "score": 1.0, + "content": "ings. Journal of Computer and system Sciences, 18(2):155–193, 1979.", + "type": "text" + } + ], + "index": 13 + } + ], + "index": 12.5, + "bbox_fs": [ + 106, + 254, + 504, + 277 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 284, + 502, + 307 + ], + "lines": [ + { + "bbox": [ + 105, + 283, + 504, + 298 + ], + "spans": [ + { + "bbox": [ + 105, + 283, + 504, + 298 + ], + "score": 1.0, + "content": "Andrew R Barron. Universal approximation bounds for superpositions of a sigmoidal function.", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 116, + 295, + 377, + 307 + ], + "spans": [ + { + "bbox": [ + 116, + 295, + 377, + 307 + ], + "score": 1.0, + "content": "IEEE Transactions on Information theory, 39(3):930–945, 1993.", + "type": "text" + } + ], + "index": 15 + } + ], + "index": 14.5, + "bbox_fs": [ + 105, + 283, + 504, + 307 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 313, + 505, + 358 + ], + "lines": [ + { + "bbox": [ + 106, + 314, + 505, + 326 + ], + "spans": [ + { + "bbox": [ + 106, + 314, + 505, + 326 + ], + "score": 1.0, + "content": "Peter W Battaglia, Jessica B Hamrick, Victor Bapst, Alvaro Sanchez-Gonzalez, Vinicius Zambaldi,", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 116, + 325, + 505, + 337 + ], + "spans": [ + { + "bbox": [ + 116, + 325, + 505, + 337 + ], + "score": 1.0, + "content": "Mateusz Malinowski, Andrea Tacchetti, David Raposo, Adam Santoro, Ryan Faulkner, et al.", + "type": "text" + } + ], + "index": 17 + }, + { + "bbox": [ + 114, + 335, + 506, + 349 + ], + "spans": [ + { + "bbox": [ + 114, + 335, + 506, + 349 + ], + "score": 1.0, + "content": "Relational inductive biases, deep learning, and graph networks. arXiv preprint arXiv:1806.01261,", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 115, + 346, + 142, + 358 + ], + "spans": [ + { + "bbox": [ + 115, + 346, + 142, + 358 + ], + "score": 1.0, + "content": "2018.", + "type": "text" + } + ], + "index": 19 + } + ], + "index": 17.5, + "bbox_fs": [ + 106, + 314, + 506, + 358 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 365, + 505, + 399 + ], + "lines": [ + { + "bbox": [ + 105, + 364, + 504, + 378 + ], + "spans": [ + { + "bbox": [ + 105, + 364, + 504, + 378 + ], + "score": 1.0, + "content": "Mikhail Belkin, Daniel Hsu, Siyuan Ma, and Soumik Mandal. Reconciling modern machine-", + "type": "text" + } + ], + "index": 20 + }, + { + "bbox": [ + 115, + 375, + 505, + 390 + ], + "spans": [ + { + "bbox": [ + 115, + 375, + 505, + 390 + ], + "score": 1.0, + "content": "learning practice and the classical bias–variance trade-off. Proceedings of the National Academy", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 115, + 388, + 285, + 399 + ], + "spans": [ + { + "bbox": [ + 115, + 388, + 285, + 399 + ], + "score": 1.0, + "content": "of Sciences, 116(32):15849–15854, 2019.", + "type": "text" + } + ], + "index": 22 + } + ], + "index": 21, + "bbox_fs": [ + 105, + 364, + 505, + 399 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 406, + 506, + 439 + ], + "lines": [ + { + "bbox": [ + 104, + 405, + 505, + 420 + ], + "spans": [ + { + "bbox": [ + 104, + 405, + 505, + 420 + ], + "score": 1.0, + "content": "James S. Bergstra, Remi Bardenet, Yoshua Bengio, and Bal ´ azs K ´ egl. Algorithms for hyper- ´", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 115, + 417, + 505, + 430 + ], + "spans": [ + { + "bbox": [ + 115, + 417, + 505, + 430 + ], + "score": 1.0, + "content": "parameter optimization. In Advances in Neural Information Processing Systems 24, pp. 2546–", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 116, + 428, + 264, + 439 + ], + "spans": [ + { + "bbox": [ + 116, + 428, + 264, + 439 + ], + "score": 1.0, + "content": "2554. Curran Associates, Inc., 2011.", + "type": "text" + } + ], + "index": 25 + } + ], + "index": 24, + "bbox_fs": [ + 104, + 405, + 505, + 439 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 446, + 504, + 480 + ], + "lines": [ + { + "bbox": [ + 105, + 446, + 506, + 460 + ], + "spans": [ + { + "bbox": [ + 105, + 446, + 506, + 460 + ], + "score": 1.0, + "content": "Jie Chen, Tengfei Ma, and Cao Xiao. FastGCN: Fast learning with graph convolutional networks", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 116, + 458, + 505, + 470 + ], + "spans": [ + { + "bbox": [ + 116, + 458, + 505, + 470 + ], + "score": 1.0, + "content": "via importance sampling. In International Conference on Learning Representations, 2018a. URL", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 116, + 469, + 366, + 482 + ], + "spans": [ + { + "bbox": [ + 116, + 469, + 302, + 482 + ], + "score": 1.0, + "content": "https://openreview.net/forum?id", + "type": "text" + }, + { + "bbox": [ + 302, + 470, + 309, + 478 + ], + "score": 0.54, + "content": "\\underline { { \\underline { { \\mathbf { \\Pi } } } } } =", + "type": "inline_equation" + }, + { + "bbox": [ + 309, + 469, + 366, + 482 + ], + "score": 1.0, + "content": "rytstxWAW.", + "type": "text" + } + ], + "index": 28 + } + ], + "index": 27, + "bbox_fs": [ + 105, + 446, + 506, + 482 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 487, + 505, + 531 + ], + "lines": [ + { + "bbox": [ + 105, + 487, + 506, + 500 + ], + "spans": [ + { + "bbox": [ + 105, + 487, + 506, + 500 + ], + "score": 1.0, + "content": "Minmin Chen, Jeffrey Pennington, and Samuel Schoenholz. Dynamical isometry and a mean field", + "type": "text" + } + ], + "index": 29 + }, + { + "bbox": [ + 115, + 498, + 505, + 511 + ], + "spans": [ + { + "bbox": [ + 115, + 498, + 505, + 511 + ], + "score": 1.0, + "content": "theory of RNNs: Gating enables signal propagation in recurrent neural networks. In Proceedings", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 117, + 510, + 505, + 522 + ], + "spans": [ + { + "bbox": [ + 117, + 510, + 505, + 522 + ], + "score": 1.0, + "content": "of the 35th International Conference on Machine Learning, volume 80 of Proceedings of Machine", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 115, + 520, + 356, + 533 + ], + "spans": [ + { + "bbox": [ + 115, + 520, + 356, + 533 + ], + "score": 1.0, + "content": "Learning Research, pp. 873–882. PMLR, 10–15 Jul 2018b.", + "type": "text" + } + ], + "index": 32 + } + ], + "index": 30.5, + "bbox_fs": [ + 105, + 487, + 506, + 533 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 539, + 505, + 584 + ], + "lines": [ + { + "bbox": [ + 106, + 540, + 505, + 551 + ], + "spans": [ + { + "bbox": [ + 106, + 540, + 505, + 551 + ], + "score": 1.0, + "content": "Anna Choromanska, Yann LeCun, and Gerard Ben Arous. Open problem: The landscape of the ´", + "type": "text" + } + ], + "index": 33 + }, + { + "bbox": [ + 115, + 550, + 506, + 563 + ], + "spans": [ + { + "bbox": [ + 115, + 550, + 506, + 563 + ], + "score": 1.0, + "content": "loss surfaces of multilayer networks. In Peter Grunwald, Elad Hazan, and Satyen Kale (eds.), ¨", + "type": "text" + } + ], + "index": 34 + }, + { + "bbox": [ + 116, + 561, + 506, + 574 + ], + "spans": [ + { + "bbox": [ + 116, + 561, + 506, + 574 + ], + "score": 1.0, + "content": "Proceedings of The 28th Conference on Learning Theory, volume 40 of Proceedings of Machine", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 115, + 572, + 319, + 584 + ], + "spans": [ + { + "bbox": [ + 115, + 572, + 319, + 584 + ], + "score": 1.0, + "content": "Learning Research, pp. 1756–1760. PMLR, 2015.", + "type": "text" + } + ], + "index": 36 + } + ], + "index": 34.5, + "bbox_fs": [ + 106, + 540, + 506, + 584 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 590, + 503, + 613 + ], + "lines": [ + { + "bbox": [ + 105, + 589, + 505, + 605 + ], + "spans": [ + { + "bbox": [ + 105, + 589, + 505, + 605 + ], + "score": 1.0, + "content": "Fan Chung and Linyuan Lu. Connected components in random graphs with given expected degree", + "type": "text" + } + ], + "index": 37 + }, + { + "bbox": [ + 115, + 602, + 349, + 614 + ], + "spans": [ + { + "bbox": [ + 115, + 602, + 349, + 614 + ], + "score": 1.0, + "content": "sequences. Annals of combinatorics, 6(2):125–145, 2002.", + "type": "text" + } + ], + "index": 38 + } + ], + "index": 37.5, + "bbox_fs": [ + 105, + 589, + 505, + 614 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 620, + 504, + 643 + ], + "lines": [ + { + "bbox": [ + 106, + 619, + 506, + 633 + ], + "spans": [ + { + "bbox": [ + 106, + 619, + 506, + 633 + ], + "score": 1.0, + "content": "Fan Chung and Mary Radcliffe. On the spectra of general random graphs. the electronic journal of", + "type": "text" + } + ], + "index": 39 + }, + { + "bbox": [ + 115, + 631, + 249, + 643 + ], + "spans": [ + { + "bbox": [ + 115, + 631, + 249, + 643 + ], + "score": 1.0, + "content": "combinatorics, 18(1):215, 2011.", + "type": "text" + } + ], + "index": 40 + } + ], + "index": 39.5, + "bbox_fs": [ + 106, + 619, + 506, + 643 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 650, + 503, + 673 + ], + "lines": [ + { + "bbox": [ + 105, + 648, + 505, + 664 + ], + "spans": [ + { + "bbox": [ + 105, + 648, + 505, + 664 + ], + "score": 1.0, + "content": "Fan Chung, Linyuan Lu, and Van Vu. The spectra of random graphs with given expected degrees.", + "type": "text" + } + ], + "index": 41 + }, + { + "bbox": [ + 115, + 660, + 291, + 673 + ], + "spans": [ + { + "bbox": [ + 115, + 660, + 291, + 673 + ], + "score": 1.0, + "content": "Internet Mathematics, 1(3):257–275, 2004.", + "type": "text" + } + ], + "index": 42 + } + ], + "index": 41.5, + "bbox_fs": [ + 105, + 648, + 505, + 673 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 680, + 503, + 703 + ], + "lines": [ + { + "bbox": [ + 105, + 678, + 505, + 693 + ], + "spans": [ + { + "bbox": [ + 105, + 678, + 505, + 693 + ], + "score": 1.0, + "content": "Fan RK Chung and Fan Chung Graham. Spectral graph theory. Number 92 in CBMS Regional", + "type": "text" + } + ], + "index": 43 + }, + { + "bbox": [ + 116, + 691, + 405, + 702 + ], + "spans": [ + { + "bbox": [ + 116, + 691, + 405, + 702 + ], + "score": 1.0, + "content": "Conference Series in Mathematics. American Mathematical Soc., 1997.", + "type": "text" + } + ], + "index": 44 + } + ], + "index": 43.5, + "bbox_fs": [ + 105, + 678, + 505, + 702 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 709, + 503, + 731 + ], + "lines": [ + { + "bbox": [ + 106, + 709, + 505, + 723 + ], + "spans": [ + { + "bbox": [ + 106, + 709, + 322, + 723 + ], + "score": 1.0, + "content": "Amin Coja-Oghlan. On the laplacian eigenvalues of", + "type": "text" + }, + { + "bbox": [ + 322, + 711, + 342, + 722 + ], + "score": 0.9, + "content": "G _ { n , p }", + "type": "inline_equation" + }, + { + "bbox": [ + 343, + 709, + 505, + 723 + ], + "score": 1.0, + "content": ". Combinatorics, Probability and Com-", + "type": "text" + } + ], + "index": 45 + }, + { + "bbox": [ + 114, + 721, + 236, + 731 + ], + "spans": [ + { + "bbox": [ + 114, + 721, + 236, + 731 + ], + "score": 1.0, + "content": "puting, 16(6):923–946, 2007.", + "type": "text" + } + ], + "index": 46 + } + ], + "index": 45.5, + "bbox_fs": [ + 106, + 709, + 505, + 731 + ] + } + ] + }, + { + "preproc_blocks": [ + { + "type": "text", + "bbox": [ + 105, + 82, + 503, + 105 + ], + "lines": [ + { + "bbox": [ + 105, + 82, + 505, + 96 + ], + "spans": [ + { + "bbox": [ + 105, + 82, + 505, + 96 + ], + "score": 1.0, + "content": "George Cybenko. Approximation by superpositions of a sigmoidal function. Mathematics of control,", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 115, + 93, + 284, + 105 + ], + "spans": [ + { + "bbox": [ + 115, + 93, + 284, + 105 + ], + "score": 1.0, + "content": "signals and systems, 2(4):303–314, 1989.", + "type": "text" + } + ], + "index": 1 + } + ], + "index": 0.5 + }, + { + "type": "text", + "bbox": [ + 107, + 113, + 503, + 146 + ], + "lines": [ + { + "bbox": [ + 106, + 113, + 504, + 125 + ], + "spans": [ + { + "bbox": [ + 106, + 113, + 504, + 125 + ], + "score": 1.0, + "content": "Michael Defferrard, Xavier Bresson, and Pierre Vandergheynst. Convolutional neural networks¨", + "type": "text" + } + ], + "index": 2 + }, + { + "bbox": [ + 114, + 123, + 505, + 137 + ], + "spans": [ + { + "bbox": [ + 114, + 123, + 505, + 137 + ], + "score": 1.0, + "content": "on graphs with fast localized spectral filtering. In Advances in Neural Information Processing", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 116, + 135, + 353, + 147 + ], + "spans": [ + { + "bbox": [ + 116, + 135, + 353, + 147 + ], + "score": 1.0, + "content": "Systems 29, pp. 3844–3852. Curran Associates, Inc., 2016.", + "type": "text" + } + ], + "index": 4 + } + ], + "index": 3 + }, + { + "type": "text", + "bbox": [ + 106, + 154, + 505, + 199 + ], + "lines": [ + { + "bbox": [ + 106, + 154, + 505, + 167 + ], + "spans": [ + { + "bbox": [ + 106, + 154, + 505, + 167 + ], + "score": 1.0, + "content": "David K Duvenaud, Dougal Maclaurin, Jorge Iparraguirre, Rafael Bombarell, Timothy Hirzel, Alan", + "type": "text" + } + ], + "index": 5 + }, + { + "bbox": [ + 116, + 166, + 505, + 178 + ], + "spans": [ + { + "bbox": [ + 116, + 166, + 505, + 178 + ], + "score": 1.0, + "content": "Aspuru-Guzik, and Ryan P Adams. Convolutional networks on graphs for learning molecular", + "type": "text" + } + ], + "index": 6 + }, + { + "bbox": [ + 116, + 177, + 504, + 189 + ], + "spans": [ + { + "bbox": [ + 116, + 177, + 504, + 189 + ], + "score": 1.0, + "content": "fingerprints. In Advances in Neural Information Processing Systems 28, pp. 2224–2232. Curran", + "type": "text" + } + ], + "index": 7 + }, + { + "bbox": [ + 116, + 187, + 209, + 199 + ], + "spans": [ + { + "bbox": [ + 116, + 187, + 209, + 199 + ], + "score": 1.0, + "content": "Associates, Inc., 2015.", + "type": "text" + } + ], + "index": 8 + } + ], + "index": 6.5 + }, + { + "type": "text", + "bbox": [ + 106, + 207, + 502, + 230 + ], + "lines": [ + { + "bbox": [ + 105, + 206, + 505, + 219 + ], + "spans": [ + { + "bbox": [ + 105, + 206, + 505, + 219 + ], + "score": 1.0, + "content": "Paul Erdos and Alfr ¨ ed R ´ enyi. On random graphs I. ´ Publicationes Mathematicae (Debrecen), 6:", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 116, + 218, + 181, + 230 + ], + "spans": [ + { + "bbox": [ + 116, + 218, + 181, + 230 + ], + "score": 1.0, + "content": "290–297, 1959.", + "type": "text" + } + ], + "index": 10 + } + ], + "index": 9.5 + }, + { + "type": "text", + "bbox": [ + 106, + 237, + 501, + 249 + ], + "lines": [ + { + "bbox": [ + 106, + 236, + 501, + 251 + ], + "spans": [ + { + "bbox": [ + 106, + 236, + 501, + 251 + ], + "score": 1.0, + "content": "Edgar N Gilbert. Random graphs. The Annals of Mathematical Statistics, 30(4):1141–1144, 1959.", + "type": "text" + } + ], + "index": 11 + } + ], + "index": 11 + }, + { + "type": "text", + "bbox": [ + 106, + 257, + 503, + 280 + ], + "lines": [ + { + "bbox": [ + 106, + 256, + 505, + 271 + ], + "spans": [ + { + "bbox": [ + 106, + 256, + 505, + 271 + ], + "score": 1.0, + "content": "C Lee Giles, Kurt D Bollacker, and Steve Lawrence. Citeseer: an automatic citation indexing system.", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 115, + 268, + 474, + 280 + ], + "spans": [ + { + "bbox": [ + 115, + 268, + 474, + 280 + ], + "score": 1.0, + "content": "In Proceedings of the third ACM conference on Digital libraries, pp. 89–98. ACM, 1998.", + "type": "text" + } + ], + "index": 13 + } + ], + "index": 12.5 + }, + { + "type": "text", + "bbox": [ + 107, + 287, + 505, + 332 + ], + "lines": [ + { + "bbox": [ + 105, + 288, + 505, + 300 + ], + "spans": [ + { + "bbox": [ + 105, + 288, + 505, + 300 + ], + "score": 1.0, + "content": "Justin Gilmer, Samuel S. Schoenholz, Patrick F. Riley, Oriol Vinyals, and George E. Dahl. Neural", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 115, + 299, + 506, + 312 + ], + "spans": [ + { + "bbox": [ + 115, + 299, + 506, + 312 + ], + "score": 1.0, + "content": "message passing for quantum chemistry. In Proceedings of the 34th International Conference on", + "type": "text" + } + ], + "index": 15 + }, + { + "bbox": [ + 115, + 309, + 505, + 322 + ], + "spans": [ + { + "bbox": [ + 115, + 309, + 505, + 322 + ], + "score": 1.0, + "content": "Machine Learning, volume 70 of Proceedings of Machine Learning Research, pp. 1263–1272.", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 115, + 320, + 174, + 333 + ], + "spans": [ + { + "bbox": [ + 115, + 320, + 174, + 333 + ], + "score": 1.0, + "content": "PMLR, 2017.", + "type": "text" + } + ], + "index": 17 + } + ], + "index": 15.5 + }, + { + "type": "text", + "bbox": [ + 105, + 339, + 504, + 363 + ], + "lines": [ + { + "bbox": [ + 104, + 337, + 506, + 355 + ], + "spans": [ + { + "bbox": [ + 104, + 337, + 506, + 355 + ], + "score": 1.0, + "content": "Torben Hagerup and Christine Rub. A guided tour of Chernoff bounds. ¨ Information processing", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 116, + 351, + 235, + 363 + ], + "spans": [ + { + "bbox": [ + 116, + 351, + 235, + 363 + ], + "score": 1.0, + "content": "letters, 33(6):305–308, 1990.", + "type": "text" + } + ], + "index": 19 + } + ], + "index": 18.5 + }, + { + "type": "text", + "bbox": [ + 106, + 370, + 505, + 404 + ], + "lines": [ + { + "bbox": [ + 105, + 369, + 505, + 384 + ], + "spans": [ + { + "bbox": [ + 105, + 369, + 505, + 384 + ], + "score": 1.0, + "content": "Will Hamilton, Zhitao Ying, and Jure Leskovec. Inductive representation learning on large graphs.", + "type": "text" + } + ], + "index": 20 + }, + { + "bbox": [ + 115, + 381, + 506, + 395 + ], + "spans": [ + { + "bbox": [ + 115, + 381, + 506, + 395 + ], + "score": 1.0, + "content": "In Advances in Neural Information Processing Systems 30, pp. 1024–1034. Curran Associates,", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 115, + 392, + 163, + 405 + ], + "spans": [ + { + "bbox": [ + 115, + 392, + 163, + 405 + ], + "score": 1.0, + "content": "Inc., 2017.", + "type": "text" + } + ], + "index": 22 + } + ], + "index": 21 + }, + { + "type": "text", + "bbox": [ + 105, + 412, + 503, + 435 + ], + "lines": [ + { + "bbox": [ + 106, + 412, + 505, + 425 + ], + "spans": [ + { + "bbox": [ + 106, + 412, + 505, + 425 + ], + "score": 1.0, + "content": "Mikael Henaff, Joan Bruna, and Yann LeCun. Deep convolutional networks on graph-structured", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 116, + 423, + 302, + 436 + ], + "spans": [ + { + "bbox": [ + 116, + 423, + 302, + 436 + ], + "score": 1.0, + "content": "data. arXiv preprint arXiv:1506.05163, 2015.", + "type": "text" + } + ], + "index": 24 + } + ], + "index": 23.5 + }, + { + "type": "text", + "bbox": [ + 106, + 442, + 504, + 466 + ], + "lines": [ + { + "bbox": [ + 106, + 442, + 505, + 455 + ], + "spans": [ + { + "bbox": [ + 106, + 442, + 505, + 455 + ], + "score": 1.0, + "content": "Kurt Hornik. Approximation capabilities of multilayer feedforward networks. Neural networks, 4", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 115, + 453, + 196, + 466 + ], + "spans": [ + { + "bbox": [ + 115, + 453, + 196, + 466 + ], + "score": 1.0, + "content": "(2):251–257, 1991.", + "type": "text" + } + ], + "index": 26 + } + ], + "index": 25.5 + }, + { + "type": "text", + "bbox": [ + 106, + 473, + 504, + 496 + ], + "lines": [ + { + "bbox": [ + 106, + 473, + 505, + 486 + ], + "spans": [ + { + "bbox": [ + 106, + 473, + 505, + 486 + ], + "score": 1.0, + "content": "Kurt Hornik, Maxwell Stinchcombe, and Halbert White. Multilayer feedforward networks are uni-", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 117, + 485, + 361, + 496 + ], + "spans": [ + { + "bbox": [ + 117, + 485, + 361, + 496 + ], + "score": 1.0, + "content": "versal approximators. Neural networks, 2(5):359–366, 1989.", + "type": "text" + } + ], + "index": 28 + } + ], + "index": 27.5 + }, + { + "type": "text", + "bbox": [ + 107, + 504, + 504, + 527 + ], + "lines": [ + { + "bbox": [ + 105, + 503, + 504, + 517 + ], + "spans": [ + { + "bbox": [ + 105, + 503, + 504, + 517 + ], + "score": 1.0, + "content": "CD Johnson. Stabilization of linear dynamical systems with respect to arbitrary linear subspaces.", + "type": "text" + } + ], + "index": 29 + }, + { + "bbox": [ + 116, + 515, + 416, + 527 + ], + "spans": [ + { + "bbox": [ + 116, + 515, + 416, + 527 + ], + "score": 1.0, + "content": "Journal of Mathematical Analysis and Applications, 44(1):175–186, 1973.", + "type": "text" + } + ], + "index": 30 + } + ], + "index": 29.5 + }, + { + "type": "text", + "bbox": [ + 107, + 534, + 504, + 558 + ], + "lines": [ + { + "bbox": [ + 106, + 534, + 505, + 547 + ], + "spans": [ + { + "bbox": [ + 106, + 534, + 505, + 547 + ], + "score": 1.0, + "content": "Diederik P Kingma and Jimmy Ba. Adam: A method for stochastic optimization. In International", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 116, + 545, + 310, + 558 + ], + "spans": [ + { + "bbox": [ + 116, + 545, + 310, + 558 + ], + "score": 1.0, + "content": "Conference on Learning Representations, 2015.", + "type": "text" + } + ], + "index": 32 + } + ], + "index": 31.5 + }, + { + "type": "text", + "bbox": [ + 106, + 564, + 504, + 588 + ], + "lines": [ + { + "bbox": [ + 106, + 564, + 505, + 578 + ], + "spans": [ + { + "bbox": [ + 106, + 564, + 505, + 578 + ], + "score": 1.0, + "content": "Thomas N. Kipf and Max Welling. Semi-supervised classification with graph convolutional net-", + "type": "text" + } + ], + "index": 33 + }, + { + "bbox": [ + 117, + 577, + 406, + 588 + ], + "spans": [ + { + "bbox": [ + 117, + 577, + 406, + 588 + ], + "score": 1.0, + "content": "works. In International Conference on Learning Representations, 2017.", + "type": "text" + } + ], + "index": 34 + } + ], + "index": 33.5 + }, + { + "type": "text", + "bbox": [ + 107, + 595, + 503, + 630 + ], + "lines": [ + { + "bbox": [ + 105, + 595, + 505, + 609 + ], + "spans": [ + { + "bbox": [ + 105, + 595, + 505, + 609 + ], + "score": 1.0, + "content": "Alex Krizhevsky, Ilya Sutskever, and Geoffrey E Hinton. ImageNet classification with deep convo-", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 116, + 607, + 505, + 619 + ], + "spans": [ + { + "bbox": [ + 116, + 607, + 505, + 619 + ], + "score": 1.0, + "content": "lutional neural networks. In Advances in Neural Information Processing Systems 25, pp. 1097–", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 117, + 618, + 264, + 629 + ], + "spans": [ + { + "bbox": [ + 117, + 618, + 264, + 629 + ], + "score": 1.0, + "content": "1105. Curran Associates, Inc., 2012.", + "type": "text" + } + ], + "index": 37 + } + ], + "index": 36 + }, + { + "type": "text", + "bbox": [ + 105, + 637, + 504, + 660 + ], + "lines": [ + { + "bbox": [ + 106, + 637, + 505, + 650 + ], + "spans": [ + { + "bbox": [ + 106, + 637, + 505, + 650 + ], + "score": 1.0, + "content": "Yann A LeCun, Leon Bottou, Genevieve B Orr, and Klaus-Robert M ´ uller. Efficient backprop. In ¨", + "type": "text" + } + ], + "index": 38 + }, + { + "bbox": [ + 115, + 648, + 370, + 661 + ], + "spans": [ + { + "bbox": [ + 115, + 648, + 370, + 661 + ], + "score": 1.0, + "content": "Neural networks: Tricks of the trade, pp. 9–48. Springer, 2012.", + "type": "text" + } + ], + "index": 39 + } + ], + "index": 38.5 + }, + { + "type": "text", + "bbox": [ + 106, + 667, + 505, + 701 + ], + "lines": [ + { + "bbox": [ + 105, + 666, + 506, + 682 + ], + "spans": [ + { + "bbox": [ + 105, + 666, + 506, + 682 + ], + "score": 1.0, + "content": "Guohao Li, Matthias Muller, Ali Thabet, and Bernard Ghanem. Deepgcns: Can gcns go as deep as", + "type": "text" + } + ], + "index": 40 + }, + { + "bbox": [ + 115, + 678, + 505, + 691 + ], + "spans": [ + { + "bbox": [ + 115, + 678, + 505, + 691 + ], + "score": 1.0, + "content": "cnns? In Proceedings of the IEEE International Conference on Computer Vision, pp. 9267–9276,", + "type": "text" + } + ], + "index": 41 + }, + { + "bbox": [ + 115, + 689, + 143, + 702 + ], + "spans": [ + { + "bbox": [ + 115, + 689, + 143, + 702 + ], + "score": 1.0, + "content": "2019.", + "type": "text" + } + ], + "index": 42 + } + ], + "index": 41 + }, + { + "type": "text", + "bbox": [ + 107, + 709, + 503, + 732 + ], + "lines": [ + { + "bbox": [ + 107, + 709, + 505, + 722 + ], + "spans": [ + { + "bbox": [ + 107, + 709, + 505, + 722 + ], + "score": 1.0, + "content": "Qimai Li, Zhichao Han, and Xiao-Ming Wu. Deeper insights into graph convolutional networks for", + "type": "text" + } + ], + "index": 43 + }, + { + "bbox": [ + 116, + 721, + 491, + 732 + ], + "spans": [ + { + "bbox": [ + 116, + 721, + 491, + 732 + ], + "score": 1.0, + "content": "semi-supervised learning. In Thirty-Second AAAI Conference on Artificial Intelligence, 2018.", + "type": "text" + } + ], + "index": 44 + } + ], + "index": 43.5 + } + ], + "page_idx": 10, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 107, + 27, + 294, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 300, + 751, + 310, + 760 + ], + "lines": [ + { + "bbox": [ + 299, + 750, + 312, + 765 + ], + "spans": [ + { + "bbox": [ + 299, + 750, + 312, + 765 + ], + "score": 1.0, + "content": "", + "type": "text", + "height": 15, + "width": 13 + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "text", + "bbox": [ + 105, + 82, + 503, + 105 + ], + "lines": [ + { + "bbox": [ + 105, + 82, + 505, + 96 + ], + "spans": [ + { + "bbox": [ + 105, + 82, + 505, + 96 + ], + "score": 1.0, + "content": "George Cybenko. Approximation by superpositions of a sigmoidal function. Mathematics of control,", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 115, + 93, + 284, + 105 + ], + "spans": [ + { + "bbox": [ + 115, + 93, + 284, + 105 + ], + "score": 1.0, + "content": "signals and systems, 2(4):303–314, 1989.", + "type": "text" + } + ], + "index": 1 + } + ], + "index": 0.5, + "bbox_fs": [ + 105, + 82, + 505, + 105 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 113, + 503, + 146 + ], + "lines": [ + { + "bbox": [ + 106, + 113, + 504, + 125 + ], + "spans": [ + { + "bbox": [ + 106, + 113, + 504, + 125 + ], + "score": 1.0, + "content": "Michael Defferrard, Xavier Bresson, and Pierre Vandergheynst. Convolutional neural networks¨", + "type": "text" + } + ], + "index": 2 + }, + { + "bbox": [ + 114, + 123, + 505, + 137 + ], + "spans": [ + { + "bbox": [ + 114, + 123, + 505, + 137 + ], + "score": 1.0, + "content": "on graphs with fast localized spectral filtering. In Advances in Neural Information Processing", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 116, + 135, + 353, + 147 + ], + "spans": [ + { + "bbox": [ + 116, + 135, + 353, + 147 + ], + "score": 1.0, + "content": "Systems 29, pp. 3844–3852. Curran Associates, Inc., 2016.", + "type": "text" + } + ], + "index": 4 + } + ], + "index": 3, + "bbox_fs": [ + 106, + 113, + 505, + 147 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 154, + 505, + 199 + ], + "lines": [ + { + "bbox": [ + 106, + 154, + 505, + 167 + ], + "spans": [ + { + "bbox": [ + 106, + 154, + 505, + 167 + ], + "score": 1.0, + "content": "David K Duvenaud, Dougal Maclaurin, Jorge Iparraguirre, Rafael Bombarell, Timothy Hirzel, Alan", + "type": "text" + } + ], + "index": 5 + }, + { + "bbox": [ + 116, + 166, + 505, + 178 + ], + "spans": [ + { + "bbox": [ + 116, + 166, + 505, + 178 + ], + "score": 1.0, + "content": "Aspuru-Guzik, and Ryan P Adams. Convolutional networks on graphs for learning molecular", + "type": "text" + } + ], + "index": 6 + }, + { + "bbox": [ + 116, + 177, + 504, + 189 + ], + "spans": [ + { + "bbox": [ + 116, + 177, + 504, + 189 + ], + "score": 1.0, + "content": "fingerprints. In Advances in Neural Information Processing Systems 28, pp. 2224–2232. Curran", + "type": "text" + } + ], + "index": 7 + }, + { + "bbox": [ + 116, + 187, + 209, + 199 + ], + "spans": [ + { + "bbox": [ + 116, + 187, + 209, + 199 + ], + "score": 1.0, + "content": "Associates, Inc., 2015.", + "type": "text" + } + ], + "index": 8 + } + ], + "index": 6.5, + "bbox_fs": [ + 106, + 154, + 505, + 199 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 207, + 502, + 230 + ], + "lines": [ + { + "bbox": [ + 105, + 206, + 505, + 219 + ], + "spans": [ + { + "bbox": [ + 105, + 206, + 505, + 219 + ], + "score": 1.0, + "content": "Paul Erdos and Alfr ¨ ed R ´ enyi. On random graphs I. ´ Publicationes Mathematicae (Debrecen), 6:", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 116, + 218, + 181, + 230 + ], + "spans": [ + { + "bbox": [ + 116, + 218, + 181, + 230 + ], + "score": 1.0, + "content": "290–297, 1959.", + "type": "text" + } + ], + "index": 10 + } + ], + "index": 9.5, + "bbox_fs": [ + 105, + 206, + 505, + 230 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 237, + 501, + 249 + ], + "lines": [ + { + "bbox": [ + 106, + 236, + 501, + 251 + ], + "spans": [ + { + "bbox": [ + 106, + 236, + 501, + 251 + ], + "score": 1.0, + "content": "Edgar N Gilbert. Random graphs. The Annals of Mathematical Statistics, 30(4):1141–1144, 1959.", + "type": "text" + } + ], + "index": 11 + } + ], + "index": 11, + "bbox_fs": [ + 106, + 236, + 501, + 251 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 257, + 503, + 280 + ], + "lines": [ + { + "bbox": [ + 106, + 256, + 505, + 271 + ], + "spans": [ + { + "bbox": [ + 106, + 256, + 505, + 271 + ], + "score": 1.0, + "content": "C Lee Giles, Kurt D Bollacker, and Steve Lawrence. Citeseer: an automatic citation indexing system.", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 115, + 268, + 474, + 280 + ], + "spans": [ + { + "bbox": [ + 115, + 268, + 474, + 280 + ], + "score": 1.0, + "content": "In Proceedings of the third ACM conference on Digital libraries, pp. 89–98. ACM, 1998.", + "type": "text" + } + ], + "index": 13 + } + ], + "index": 12.5, + "bbox_fs": [ + 106, + 256, + 505, + 280 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 287, + 505, + 332 + ], + "lines": [ + { + "bbox": [ + 105, + 288, + 505, + 300 + ], + "spans": [ + { + "bbox": [ + 105, + 288, + 505, + 300 + ], + "score": 1.0, + "content": "Justin Gilmer, Samuel S. Schoenholz, Patrick F. Riley, Oriol Vinyals, and George E. Dahl. Neural", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 115, + 299, + 506, + 312 + ], + "spans": [ + { + "bbox": [ + 115, + 299, + 506, + 312 + ], + "score": 1.0, + "content": "message passing for quantum chemistry. In Proceedings of the 34th International Conference on", + "type": "text" + } + ], + "index": 15 + }, + { + "bbox": [ + 115, + 309, + 505, + 322 + ], + "spans": [ + { + "bbox": [ + 115, + 309, + 505, + 322 + ], + "score": 1.0, + "content": "Machine Learning, volume 70 of Proceedings of Machine Learning Research, pp. 1263–1272.", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 115, + 320, + 174, + 333 + ], + "spans": [ + { + "bbox": [ + 115, + 320, + 174, + 333 + ], + "score": 1.0, + "content": "PMLR, 2017.", + "type": "text" + } + ], + "index": 17 + } + ], + "index": 15.5, + "bbox_fs": [ + 105, + 288, + 506, + 333 + ] + }, + { + "type": "text", + "bbox": [ + 105, + 339, + 504, + 363 + ], + "lines": [ + { + "bbox": [ + 104, + 337, + 506, + 355 + ], + "spans": [ + { + "bbox": [ + 104, + 337, + 506, + 355 + ], + "score": 1.0, + "content": "Torben Hagerup and Christine Rub. A guided tour of Chernoff bounds. ¨ Information processing", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 116, + 351, + 235, + 363 + ], + "spans": [ + { + "bbox": [ + 116, + 351, + 235, + 363 + ], + "score": 1.0, + "content": "letters, 33(6):305–308, 1990.", + "type": "text" + } + ], + "index": 19 + } + ], + "index": 18.5, + "bbox_fs": [ + 104, + 337, + 506, + 363 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 370, + 505, + 404 + ], + "lines": [ + { + "bbox": [ + 105, + 369, + 505, + 384 + ], + "spans": [ + { + "bbox": [ + 105, + 369, + 505, + 384 + ], + "score": 1.0, + "content": "Will Hamilton, Zhitao Ying, and Jure Leskovec. Inductive representation learning on large graphs.", + "type": "text" + } + ], + "index": 20 + }, + { + "bbox": [ + 115, + 381, + 506, + 395 + ], + "spans": [ + { + "bbox": [ + 115, + 381, + 506, + 395 + ], + "score": 1.0, + "content": "In Advances in Neural Information Processing Systems 30, pp. 1024–1034. Curran Associates,", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 115, + 392, + 163, + 405 + ], + "spans": [ + { + "bbox": [ + 115, + 392, + 163, + 405 + ], + "score": 1.0, + "content": "Inc., 2017.", + "type": "text" + } + ], + "index": 22 + } + ], + "index": 21, + "bbox_fs": [ + 105, + 369, + 506, + 405 + ] + }, + { + "type": "text", + "bbox": [ + 105, + 412, + 503, + 435 + ], + "lines": [ + { + "bbox": [ + 106, + 412, + 505, + 425 + ], + "spans": [ + { + "bbox": [ + 106, + 412, + 505, + 425 + ], + "score": 1.0, + "content": "Mikael Henaff, Joan Bruna, and Yann LeCun. Deep convolutional networks on graph-structured", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 116, + 423, + 302, + 436 + ], + "spans": [ + { + "bbox": [ + 116, + 423, + 302, + 436 + ], + "score": 1.0, + "content": "data. arXiv preprint arXiv:1506.05163, 2015.", + "type": "text" + } + ], + "index": 24 + } + ], + "index": 23.5, + "bbox_fs": [ + 106, + 412, + 505, + 436 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 442, + 504, + 466 + ], + "lines": [ + { + "bbox": [ + 106, + 442, + 505, + 455 + ], + "spans": [ + { + "bbox": [ + 106, + 442, + 505, + 455 + ], + "score": 1.0, + "content": "Kurt Hornik. Approximation capabilities of multilayer feedforward networks. Neural networks, 4", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 115, + 453, + 196, + 466 + ], + "spans": [ + { + "bbox": [ + 115, + 453, + 196, + 466 + ], + "score": 1.0, + "content": "(2):251–257, 1991.", + "type": "text" + } + ], + "index": 26 + } + ], + "index": 25.5, + "bbox_fs": [ + 106, + 442, + 505, + 466 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 473, + 504, + 496 + ], + "lines": [ + { + "bbox": [ + 106, + 473, + 505, + 486 + ], + "spans": [ + { + "bbox": [ + 106, + 473, + 505, + 486 + ], + "score": 1.0, + "content": "Kurt Hornik, Maxwell Stinchcombe, and Halbert White. Multilayer feedforward networks are uni-", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 117, + 485, + 361, + 496 + ], + "spans": [ + { + "bbox": [ + 117, + 485, + 361, + 496 + ], + "score": 1.0, + "content": "versal approximators. Neural networks, 2(5):359–366, 1989.", + "type": "text" + } + ], + "index": 28 + } + ], + "index": 27.5, + "bbox_fs": [ + 106, + 473, + 505, + 496 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 504, + 504, + 527 + ], + "lines": [ + { + "bbox": [ + 105, + 503, + 504, + 517 + ], + "spans": [ + { + "bbox": [ + 105, + 503, + 504, + 517 + ], + "score": 1.0, + "content": "CD Johnson. Stabilization of linear dynamical systems with respect to arbitrary linear subspaces.", + "type": "text" + } + ], + "index": 29 + }, + { + "bbox": [ + 116, + 515, + 416, + 527 + ], + "spans": [ + { + "bbox": [ + 116, + 515, + 416, + 527 + ], + "score": 1.0, + "content": "Journal of Mathematical Analysis and Applications, 44(1):175–186, 1973.", + "type": "text" + } + ], + "index": 30 + } + ], + "index": 29.5, + "bbox_fs": [ + 105, + 503, + 504, + 527 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 534, + 504, + 558 + ], + "lines": [ + { + "bbox": [ + 106, + 534, + 505, + 547 + ], + "spans": [ + { + "bbox": [ + 106, + 534, + 505, + 547 + ], + "score": 1.0, + "content": "Diederik P Kingma and Jimmy Ba. Adam: A method for stochastic optimization. In International", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 116, + 545, + 310, + 558 + ], + "spans": [ + { + "bbox": [ + 116, + 545, + 310, + 558 + ], + "score": 1.0, + "content": "Conference on Learning Representations, 2015.", + "type": "text" + } + ], + "index": 32 + } + ], + "index": 31.5, + "bbox_fs": [ + 106, + 534, + 505, + 558 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 564, + 504, + 588 + ], + "lines": [ + { + "bbox": [ + 106, + 564, + 505, + 578 + ], + "spans": [ + { + "bbox": [ + 106, + 564, + 505, + 578 + ], + "score": 1.0, + "content": "Thomas N. Kipf and Max Welling. Semi-supervised classification with graph convolutional net-", + "type": "text" + } + ], + "index": 33 + }, + { + "bbox": [ + 117, + 577, + 406, + 588 + ], + "spans": [ + { + "bbox": [ + 117, + 577, + 406, + 588 + ], + "score": 1.0, + "content": "works. In International Conference on Learning Representations, 2017.", + "type": "text" + } + ], + "index": 34 + } + ], + "index": 33.5, + "bbox_fs": [ + 106, + 564, + 505, + 588 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 595, + 503, + 630 + ], + "lines": [ + { + "bbox": [ + 105, + 595, + 505, + 609 + ], + "spans": [ + { + "bbox": [ + 105, + 595, + 505, + 609 + ], + "score": 1.0, + "content": "Alex Krizhevsky, Ilya Sutskever, and Geoffrey E Hinton. ImageNet classification with deep convo-", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 116, + 607, + 505, + 619 + ], + "spans": [ + { + "bbox": [ + 116, + 607, + 505, + 619 + ], + "score": 1.0, + "content": "lutional neural networks. In Advances in Neural Information Processing Systems 25, pp. 1097–", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 117, + 618, + 264, + 629 + ], + "spans": [ + { + "bbox": [ + 117, + 618, + 264, + 629 + ], + "score": 1.0, + "content": "1105. Curran Associates, Inc., 2012.", + "type": "text" + } + ], + "index": 37 + } + ], + "index": 36, + "bbox_fs": [ + 105, + 595, + 505, + 629 + ] + }, + { + "type": "text", + "bbox": [ + 105, + 637, + 504, + 660 + ], + "lines": [ + { + "bbox": [ + 106, + 637, + 505, + 650 + ], + "spans": [ + { + "bbox": [ + 106, + 637, + 505, + 650 + ], + "score": 1.0, + "content": "Yann A LeCun, Leon Bottou, Genevieve B Orr, and Klaus-Robert M ´ uller. Efficient backprop. In ¨", + "type": "text" + } + ], + "index": 38 + }, + { + "bbox": [ + 115, + 648, + 370, + 661 + ], + "spans": [ + { + "bbox": [ + 115, + 648, + 370, + 661 + ], + "score": 1.0, + "content": "Neural networks: Tricks of the trade, pp. 9–48. Springer, 2012.", + "type": "text" + } + ], + "index": 39 + } + ], + "index": 38.5, + "bbox_fs": [ + 106, + 637, + 505, + 661 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 667, + 505, + 701 + ], + "lines": [ + { + "bbox": [ + 105, + 666, + 506, + 682 + ], + "spans": [ + { + "bbox": [ + 105, + 666, + 506, + 682 + ], + "score": 1.0, + "content": "Guohao Li, Matthias Muller, Ali Thabet, and Bernard Ghanem. Deepgcns: Can gcns go as deep as", + "type": "text" + } + ], + "index": 40 + }, + { + "bbox": [ + 115, + 678, + 505, + 691 + ], + "spans": [ + { + "bbox": [ + 115, + 678, + 505, + 691 + ], + "score": 1.0, + "content": "cnns? In Proceedings of the IEEE International Conference on Computer Vision, pp. 9267–9276,", + "type": "text" + } + ], + "index": 41 + }, + { + "bbox": [ + 115, + 689, + 143, + 702 + ], + "spans": [ + { + "bbox": [ + 115, + 689, + 143, + 702 + ], + "score": 1.0, + "content": "2019.", + "type": "text" + } + ], + "index": 42 + } + ], + "index": 41, + "bbox_fs": [ + 105, + 666, + 506, + 702 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 709, + 503, + 732 + ], + "lines": [ + { + "bbox": [ + 107, + 709, + 505, + 722 + ], + "spans": [ + { + "bbox": [ + 107, + 709, + 505, + 722 + ], + "score": 1.0, + "content": "Qimai Li, Zhichao Han, and Xiao-Ming Wu. Deeper insights into graph convolutional networks for", + "type": "text" + } + ], + "index": 43 + }, + { + "bbox": [ + 116, + 721, + 491, + 732 + ], + "spans": [ + { + "bbox": [ + 116, + 721, + 491, + 732 + ], + "score": 1.0, + "content": "semi-supervised learning. In Thirty-Second AAAI Conference on Artificial Intelligence, 2018.", + "type": "text" + } + ], + "index": 44 + } + ], + "index": 43.5, + "bbox_fs": [ + 107, + 709, + 505, + 732 + ] + } + ] + }, + { + "preproc_blocks": [ + { + "type": "text", + "bbox": [ + 106, + 82, + 504, + 105 + ], + "lines": [ + { + "bbox": [ + 107, + 82, + 506, + 95 + ], + "spans": [ + { + "bbox": [ + 107, + 82, + 506, + 95 + ], + "score": 1.0, + "content": "Yujia Li, Richard Zemel, and Marc Brockschmidt. Gated graph sequence neural networks. In", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 116, + 93, + 365, + 106 + ], + "spans": [ + { + "bbox": [ + 116, + 93, + 365, + 106 + ], + "score": 1.0, + "content": "International Conference on Learning Representations, 2016.", + "type": "text" + } + ], + "index": 1 + } + ], + "index": 0.5 + }, + { + "type": "text", + "bbox": [ + 108, + 111, + 504, + 145 + ], + "lines": [ + { + "bbox": [ + 106, + 110, + 504, + 124 + ], + "spans": [ + { + "bbox": [ + 106, + 110, + 504, + 124 + ], + "score": 1.0, + "content": "Sitao Luan, Mingde Zhao, Xiao-Wen Chang, and Doina Precup. Break the ceiling: Stronger multi-", + "type": "text" + } + ], + "index": 2 + }, + { + "bbox": [ + 116, + 123, + 505, + 135 + ], + "spans": [ + { + "bbox": [ + 116, + 123, + 505, + 135 + ], + "score": 1.0, + "content": "scale deep graph convolutional networks. In Advances in Neural Information Processing Systems", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 115, + 133, + 329, + 145 + ], + "spans": [ + { + "bbox": [ + 115, + 133, + 329, + 145 + ], + "score": 1.0, + "content": "32, pp. 10943–10953. Curran Associates, Inc., 2019.", + "type": "text" + } + ], + "index": 4 + } + ], + "index": 3 + }, + { + "type": "text", + "bbox": [ + 107, + 150, + 503, + 185 + ], + "lines": [ + { + "bbox": [ + 106, + 151, + 505, + 163 + ], + "spans": [ + { + "bbox": [ + 106, + 151, + 505, + 163 + ], + "score": 1.0, + "content": "Andrew L. Maas, Awni Y. Hannun, and Andrew Y. Ng. Rectifier nonlinearities improve neural net-", + "type": "text" + } + ], + "index": 5 + }, + { + "bbox": [ + 115, + 161, + 505, + 176 + ], + "spans": [ + { + "bbox": [ + 115, + 161, + 505, + 176 + ], + "score": 1.0, + "content": "work acoustic models. In in ICML Workshop on Deep Learning for Audio, Speech and Language", + "type": "text" + } + ], + "index": 6 + }, + { + "bbox": [ + 116, + 173, + 191, + 186 + ], + "spans": [ + { + "bbox": [ + 116, + 173, + 191, + 186 + ], + "score": 1.0, + "content": "Processing, 2013.", + "type": "text" + } + ], + "index": 7 + } + ], + "index": 6 + }, + { + "type": "text", + "bbox": [ + 108, + 190, + 504, + 225 + ], + "lines": [ + { + "bbox": [ + 105, + 190, + 505, + 204 + ], + "spans": [ + { + "bbox": [ + 105, + 190, + 505, + 204 + ], + "score": 1.0, + "content": "Andrew Kachites McCallum, Kamal Nigam, Jason Rennie, and Kristie Seymore. Automating the", + "type": "text" + } + ], + "index": 8 + }, + { + "bbox": [ + 115, + 202, + 505, + 214 + ], + "spans": [ + { + "bbox": [ + 115, + 202, + 505, + 214 + ], + "score": 1.0, + "content": "construction of internet portals with machine learning. Information Retrieval, 3(2):127–163,", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 115, + 212, + 142, + 225 + ], + "spans": [ + { + "bbox": [ + 115, + 212, + 142, + 225 + ], + "score": 1.0, + "content": "2000.", + "type": "text" + } + ], + "index": 10 + } + ], + "index": 9 + }, + { + "type": "text", + "bbox": [ + 106, + 230, + 504, + 254 + ], + "lines": [ + { + "bbox": [ + 106, + 230, + 505, + 244 + ], + "spans": [ + { + "bbox": [ + 106, + 230, + 505, + 244 + ], + "score": 1.0, + "content": "Song Mei and Andrea Montanari. The generalization error of random features regression: Precise", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 115, + 242, + 436, + 254 + ], + "spans": [ + { + "bbox": [ + 115, + 242, + 436, + 254 + ], + "score": 1.0, + "content": "asymptotics and double descent curve. arXiv preprint arXiv:1908.05355, 2019.", + "type": "text" + } + ], + "index": 12 + } + ], + "index": 11.5 + }, + { + "type": "text", + "bbox": [ + 106, + 259, + 443, + 272 + ], + "lines": [ + { + "bbox": [ + 105, + 259, + 442, + 273 + ], + "spans": [ + { + "bbox": [ + 105, + 259, + 442, + 273 + ], + "score": 1.0, + "content": "Carl D Meyer. Matrix analysis and applied linear algebra, volume 71. Siam, 2000.", + "type": "text" + } + ], + "index": 13 + } + ], + "index": 13 + }, + { + "type": "text", + "bbox": [ + 107, + 278, + 503, + 301 + ], + "lines": [ + { + "bbox": [ + 106, + 278, + 504, + 291 + ], + "spans": [ + { + "bbox": [ + 106, + 278, + 504, + 291 + ], + "score": 1.0, + "content": "Hrushikesh Narhar Mhaskar. Approximation properties of a multilayered feedforward artificial neu-", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 116, + 289, + 411, + 301 + ], + "spans": [ + { + "bbox": [ + 116, + 289, + 411, + 301 + ], + "score": 1.0, + "content": "ral network. Advances in Computational Mathematics, 1(1):61–80, 1993.", + "type": "text" + } + ], + "index": 15 + } + ], + "index": 14.5 + }, + { + "type": "text", + "bbox": [ + 106, + 306, + 502, + 330 + ], + "lines": [ + { + "bbox": [ + 105, + 306, + 504, + 320 + ], + "spans": [ + { + "bbox": [ + 105, + 306, + 504, + 320 + ], + "score": 1.0, + "content": "Hai Nguyen, Shinichi Maeda, and Kenta Oono. Semi-supervised learning of hierarchical represen-", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 115, + 318, + 486, + 331 + ], + "spans": [ + { + "bbox": [ + 115, + 318, + 486, + 331 + ], + "score": 1.0, + "content": "tations of molecules using neural message passing. arXiv preprint arXiv:1711.10168, 2017.", + "type": "text" + } + ], + "index": 17 + } + ], + "index": 16.5 + }, + { + "type": "text", + "bbox": [ + 106, + 335, + 504, + 359 + ], + "lines": [ + { + "bbox": [ + 106, + 335, + 505, + 348 + ], + "spans": [ + { + "bbox": [ + 106, + 335, + 505, + 348 + ], + "score": 1.0, + "content": "James R Norris. Markov chains. Number 2 in Cambridge Series in Statistical and Probabilistic", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 116, + 346, + 312, + 359 + ], + "spans": [ + { + "bbox": [ + 116, + 346, + 312, + 359 + ], + "score": 1.0, + "content": "Mathematics. Cambridge university press, 1998.", + "type": "text" + } + ], + "index": 19 + } + ], + "index": 18.5 + }, + { + "type": "text", + "bbox": [ + 107, + 364, + 504, + 388 + ], + "lines": [ + { + "bbox": [ + 106, + 365, + 504, + 378 + ], + "spans": [ + { + "bbox": [ + 106, + 365, + 504, + 378 + ], + "score": 1.0, + "content": "Hoang NT and Takanori Maehara. Revisiting graph neural networks: All we have is low-pass filters.", + "type": "text" + } + ], + "index": 20 + }, + { + "bbox": [ + 116, + 376, + 279, + 388 + ], + "spans": [ + { + "bbox": [ + 116, + 376, + 279, + 388 + ], + "score": 1.0, + "content": "arXiv preprint arXiv:1905.09550, 2019.", + "type": "text" + } + ], + "index": 21 + } + ], + "index": 20.5 + }, + { + "type": "text", + "bbox": [ + 106, + 393, + 504, + 417 + ], + "lines": [ + { + "bbox": [ + 106, + 394, + 504, + 407 + ], + "spans": [ + { + "bbox": [ + 106, + 394, + 504, + 407 + ], + "score": 1.0, + "content": "Kenta Oono and Taiji Suzuki. Approximation and non-parametric estimation of ResNet-type con-", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 116, + 405, + 391, + 417 + ], + "spans": [ + { + "bbox": [ + 116, + 405, + 391, + 417 + ], + "score": 1.0, + "content": "volutional neural networks. arXiv preprint arXiv:1903.10047, 2019.", + "type": "text" + } + ], + "index": 23 + } + ], + "index": 22.5 + }, + { + "type": "text", + "bbox": [ + 107, + 423, + 503, + 446 + ], + "lines": [ + { + "bbox": [ + 106, + 421, + 505, + 436 + ], + "spans": [ + { + "bbox": [ + 106, + 421, + 505, + 436 + ], + "score": 1.0, + "content": "Sinno Jialin Pan and Qiang Yang. A survey on transfer learning. IEEE Transactions on knowledge", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 116, + 434, + 311, + 446 + ], + "spans": [ + { + "bbox": [ + 116, + 434, + 311, + 446 + ], + "score": 1.0, + "content": "and data engineering, 22(10):1345–1359, 2010.", + "type": "text" + } + ], + "index": 25 + } + ], + "index": 24.5 + }, + { + "type": "text", + "bbox": [ + 107, + 452, + 502, + 475 + ], + "lines": [ + { + "bbox": [ + 106, + 451, + 504, + 464 + ], + "spans": [ + { + "bbox": [ + 106, + 451, + 504, + 464 + ], + "score": 1.0, + "content": "Philipp Petersen and Felix Voigtlaender. Equivalence of approximation by convolutional neural", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 115, + 462, + 442, + 475 + ], + "spans": [ + { + "bbox": [ + 115, + 462, + 442, + 475 + ], + "score": 1.0, + "content": "networks and fully-connected networks. arXiv preprint arXiv:1809.00973, 2018.", + "type": "text" + } + ], + "index": 27 + } + ], + "index": 26.5 + }, + { + "type": "text", + "bbox": [ + 107, + 480, + 502, + 504 + ], + "lines": [ + { + "bbox": [ + 106, + 480, + 503, + 493 + ], + "spans": [ + { + "bbox": [ + 106, + 480, + 503, + 493 + ], + "score": 1.0, + "content": "Franco Scarselli, Marco Gori, Ah Chung Tsoi, Markus Hagenbuchner, and Gabriele Monfardini.", + "type": "text" + } + ], + "index": 28 + }, + { + "bbox": [ + 116, + 491, + 496, + 504 + ], + "spans": [ + { + "bbox": [ + 116, + 491, + 496, + 504 + ], + "score": 1.0, + "content": "The graph neural network model. IEEE Transactions on Neural Networks, 20(1):61–80, 2009.", + "type": "text" + } + ], + "index": 29 + } + ], + "index": 28.5 + }, + { + "type": "text", + "bbox": [ + 108, + 509, + 504, + 544 + ], + "lines": [ + { + "bbox": [ + 106, + 509, + 505, + 522 + ], + "spans": [ + { + "bbox": [ + 106, + 509, + 505, + 522 + ], + "score": 1.0, + "content": "Michael Schlichtkrull, Thomas N Kipf, Peter Bloem, Rianne Van Den Berg, Ivan Titov, and Max", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 116, + 520, + 505, + 533 + ], + "spans": [ + { + "bbox": [ + 116, + 520, + 505, + 533 + ], + "score": 1.0, + "content": "Welling. Modeling relational data with graph convolutional networks. In European Semantic Web", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 117, + 532, + 286, + 544 + ], + "spans": [ + { + "bbox": [ + 117, + 532, + 286, + 544 + ], + "score": 1.0, + "content": "Conference, pp. 593–607. Springer, 2018.", + "type": "text" + } + ], + "index": 32 + } + ], + "index": 31 + }, + { + "type": "text", + "bbox": [ + 105, + 549, + 503, + 573 + ], + "lines": [ + { + "bbox": [ + 106, + 549, + 505, + 562 + ], + "spans": [ + { + "bbox": [ + 106, + 549, + 505, + 562 + ], + "score": 1.0, + "content": "Prithviraj Sen, Galileo Namata, Mustafa Bilgic, Lise Getoor, Brian Galligher, and Tina Eliassi-Rad.", + "type": "text" + } + ], + "index": 33 + }, + { + "bbox": [ + 117, + 561, + 416, + 573 + ], + "spans": [ + { + "bbox": [ + 117, + 561, + 416, + 573 + ], + "score": 1.0, + "content": "Collective classification in network data. AI magazine, 29(3):93–93, 2008.", + "type": "text" + } + ], + "index": 34 + } + ], + "index": 33.5 + }, + { + "type": "text", + "bbox": [ + 106, + 578, + 504, + 601 + ], + "lines": [ + { + "bbox": [ + 107, + 579, + 504, + 591 + ], + "spans": [ + { + "bbox": [ + 107, + 579, + 504, + 591 + ], + "score": 1.0, + "content": "Sho Sonoda and Noboru Murata. Neural network with unbounded activation functions is universal", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 115, + 590, + 460, + 602 + ], + "spans": [ + { + "bbox": [ + 115, + 590, + 460, + 602 + ], + "score": 1.0, + "content": "approximator. Applied and Computational Harmonic Analysis, 43(2):233–268, 2017.", + "type": "text" + } + ], + "index": 36 + } + ], + "index": 35.5 + }, + { + "type": "text", + "bbox": [ + 108, + 607, + 504, + 641 + ], + "lines": [ + { + "bbox": [ + 105, + 607, + 506, + 621 + ], + "spans": [ + { + "bbox": [ + 105, + 607, + 506, + 621 + ], + "score": 1.0, + "content": "Nitish Srivastava, Geoffrey Hinton, Alex Krizhevsky, Ilya Sutskever, and Ruslan Salakhutdinov.", + "type": "text" + } + ], + "index": 37 + }, + { + "bbox": [ + 115, + 618, + 506, + 632 + ], + "spans": [ + { + "bbox": [ + 115, + 618, + 506, + 632 + ], + "score": 1.0, + "content": "Dropout: A simple way to prevent neural networks from overfitting. Journal of Machine Learning", + "type": "text" + } + ], + "index": 38 + }, + { + "bbox": [ + 116, + 630, + 245, + 641 + ], + "spans": [ + { + "bbox": [ + 116, + 630, + 245, + 641 + ], + "score": 1.0, + "content": "Research, 15:1929–1958, 2014.", + "type": "text" + } + ], + "index": 39 + } + ], + "index": 38 + }, + { + "type": "text", + "bbox": [ + 106, + 647, + 504, + 681 + ], + "lines": [ + { + "bbox": [ + 104, + 645, + 506, + 662 + ], + "spans": [ + { + "bbox": [ + 104, + 645, + 506, + 662 + ], + "score": 1.0, + "content": "Matus Telgarsky. Benefits of depth in neural networks. In 29th Annual Conference on Learning", + "type": "text" + } + ], + "index": 40 + }, + { + "bbox": [ + 116, + 659, + 505, + 671 + ], + "spans": [ + { + "bbox": [ + 116, + 659, + 505, + 671 + ], + "score": 1.0, + "content": "Theory, volume 49 of Proceedings of Machine Learning Research, pp. 1517–1539. PMLR, 23–", + "type": "text" + } + ], + "index": 41 + }, + { + "bbox": [ + 115, + 669, + 170, + 681 + ], + "spans": [ + { + "bbox": [ + 115, + 669, + 170, + 681 + ], + "score": 1.0, + "content": "26 Jun 2016.", + "type": "text" + } + ], + "index": 42 + } + ], + "index": 41 + }, + { + "type": "text", + "bbox": [ + 107, + 687, + 505, + 732 + ], + "lines": [ + { + "bbox": [ + 105, + 687, + 505, + 701 + ], + "spans": [ + { + "bbox": [ + 105, + 687, + 505, + 701 + ], + "score": 1.0, + "content": "Seiya Tokui, Kenta Oono, Shohei Hido, and Justin Clayton. Chainer: a next-generation open", + "type": "text" + } + ], + "index": 43 + }, + { + "bbox": [ + 115, + 699, + 505, + 711 + ], + "spans": [ + { + "bbox": [ + 115, + 699, + 505, + 711 + ], + "score": 1.0, + "content": "source framework for deep learning. In Proceedings of Workshop on Machine Learning Sys-", + "type": "text" + } + ], + "index": 44 + }, + { + "bbox": [ + 115, + 709, + 505, + 723 + ], + "spans": [ + { + "bbox": [ + 115, + 709, + 505, + 723 + ], + "score": 1.0, + "content": "tems (LearningSys) in The Twenty-ninth Annual Conference on Neural Information Processing", + "type": "text" + } + ], + "index": 45 + }, + { + "bbox": [ + 114, + 720, + 208, + 732 + ], + "spans": [ + { + "bbox": [ + 114, + 720, + 208, + 732 + ], + "score": 1.0, + "content": "Systems (NIPS), 2015.", + "type": "text" + } + ], + "index": 46 + } + ], + "index": 44.5 + } + ], + "page_idx": 11, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 108, + 27, + 294, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 26, + 293, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 26, + 293, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 300, + 751, + 311, + 760 + ], + "lines": [ + { + "bbox": [ + 299, + 750, + 313, + 764 + ], + "spans": [ + { + "bbox": [ + 299, + 750, + 313, + 764 + ], + "score": 1.0, + "content": "12", + "type": "text" + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "text", + "bbox": [ + 106, + 82, + 504, + 105 + ], + "lines": [ + { + "bbox": [ + 107, + 82, + 506, + 95 + ], + "spans": [ + { + "bbox": [ + 107, + 82, + 506, + 95 + ], + "score": 1.0, + "content": "Yujia Li, Richard Zemel, and Marc Brockschmidt. Gated graph sequence neural networks. In", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 116, + 93, + 365, + 106 + ], + "spans": [ + { + "bbox": [ + 116, + 93, + 365, + 106 + ], + "score": 1.0, + "content": "International Conference on Learning Representations, 2016.", + "type": "text" + } + ], + "index": 1 + } + ], + "index": 0.5, + "bbox_fs": [ + 107, + 82, + 506, + 106 + ] + }, + { + "type": "text", + "bbox": [ + 108, + 111, + 504, + 145 + ], + "lines": [ + { + "bbox": [ + 106, + 110, + 504, + 124 + ], + "spans": [ + { + "bbox": [ + 106, + 110, + 504, + 124 + ], + "score": 1.0, + "content": "Sitao Luan, Mingde Zhao, Xiao-Wen Chang, and Doina Precup. Break the ceiling: Stronger multi-", + "type": "text" + } + ], + "index": 2 + }, + { + "bbox": [ + 116, + 123, + 505, + 135 + ], + "spans": [ + { + "bbox": [ + 116, + 123, + 505, + 135 + ], + "score": 1.0, + "content": "scale deep graph convolutional networks. In Advances in Neural Information Processing Systems", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 115, + 133, + 329, + 145 + ], + "spans": [ + { + "bbox": [ + 115, + 133, + 329, + 145 + ], + "score": 1.0, + "content": "32, pp. 10943–10953. Curran Associates, Inc., 2019.", + "type": "text" + } + ], + "index": 4 + } + ], + "index": 3, + "bbox_fs": [ + 106, + 110, + 505, + 145 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 150, + 503, + 185 + ], + "lines": [ + { + "bbox": [ + 106, + 151, + 505, + 163 + ], + "spans": [ + { + "bbox": [ + 106, + 151, + 505, + 163 + ], + "score": 1.0, + "content": "Andrew L. Maas, Awni Y. Hannun, and Andrew Y. Ng. Rectifier nonlinearities improve neural net-", + "type": "text" + } + ], + "index": 5 + }, + { + "bbox": [ + 115, + 161, + 505, + 176 + ], + "spans": [ + { + "bbox": [ + 115, + 161, + 505, + 176 + ], + "score": 1.0, + "content": "work acoustic models. In in ICML Workshop on Deep Learning for Audio, Speech and Language", + "type": "text" + } + ], + "index": 6 + }, + { + "bbox": [ + 116, + 173, + 191, + 186 + ], + "spans": [ + { + "bbox": [ + 116, + 173, + 191, + 186 + ], + "score": 1.0, + "content": "Processing, 2013.", + "type": "text" + } + ], + "index": 7 + } + ], + "index": 6, + "bbox_fs": [ + 106, + 151, + 505, + 186 + ] + }, + { + "type": "text", + "bbox": [ + 108, + 190, + 504, + 225 + ], + "lines": [ + { + "bbox": [ + 105, + 190, + 505, + 204 + ], + "spans": [ + { + "bbox": [ + 105, + 190, + 505, + 204 + ], + "score": 1.0, + "content": "Andrew Kachites McCallum, Kamal Nigam, Jason Rennie, and Kristie Seymore. Automating the", + "type": "text" + } + ], + "index": 8 + }, + { + "bbox": [ + 115, + 202, + 505, + 214 + ], + "spans": [ + { + "bbox": [ + 115, + 202, + 505, + 214 + ], + "score": 1.0, + "content": "construction of internet portals with machine learning. Information Retrieval, 3(2):127–163,", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 115, + 212, + 142, + 225 + ], + "spans": [ + { + "bbox": [ + 115, + 212, + 142, + 225 + ], + "score": 1.0, + "content": "2000.", + "type": "text" + } + ], + "index": 10 + } + ], + "index": 9, + "bbox_fs": [ + 105, + 190, + 505, + 225 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 230, + 504, + 254 + ], + "lines": [ + { + "bbox": [ + 106, + 230, + 505, + 244 + ], + "spans": [ + { + "bbox": [ + 106, + 230, + 505, + 244 + ], + "score": 1.0, + "content": "Song Mei and Andrea Montanari. The generalization error of random features regression: Precise", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 115, + 242, + 436, + 254 + ], + "spans": [ + { + "bbox": [ + 115, + 242, + 436, + 254 + ], + "score": 1.0, + "content": "asymptotics and double descent curve. arXiv preprint arXiv:1908.05355, 2019.", + "type": "text" + } + ], + "index": 12 + } + ], + "index": 11.5, + "bbox_fs": [ + 106, + 230, + 505, + 254 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 259, + 443, + 272 + ], + "lines": [ + { + "bbox": [ + 105, + 259, + 442, + 273 + ], + "spans": [ + { + "bbox": [ + 105, + 259, + 442, + 273 + ], + "score": 1.0, + "content": "Carl D Meyer. Matrix analysis and applied linear algebra, volume 71. Siam, 2000.", + "type": "text" + } + ], + "index": 13 + } + ], + "index": 13, + "bbox_fs": [ + 105, + 259, + 442, + 273 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 278, + 503, + 301 + ], + "lines": [ + { + "bbox": [ + 106, + 278, + 504, + 291 + ], + "spans": [ + { + "bbox": [ + 106, + 278, + 504, + 291 + ], + "score": 1.0, + "content": "Hrushikesh Narhar Mhaskar. Approximation properties of a multilayered feedforward artificial neu-", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 116, + 289, + 411, + 301 + ], + "spans": [ + { + "bbox": [ + 116, + 289, + 411, + 301 + ], + "score": 1.0, + "content": "ral network. Advances in Computational Mathematics, 1(1):61–80, 1993.", + "type": "text" + } + ], + "index": 15 + } + ], + "index": 14.5, + "bbox_fs": [ + 106, + 278, + 504, + 301 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 306, + 502, + 330 + ], + "lines": [ + { + "bbox": [ + 105, + 306, + 504, + 320 + ], + "spans": [ + { + "bbox": [ + 105, + 306, + 504, + 320 + ], + "score": 1.0, + "content": "Hai Nguyen, Shinichi Maeda, and Kenta Oono. Semi-supervised learning of hierarchical represen-", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 115, + 318, + 486, + 331 + ], + "spans": [ + { + "bbox": [ + 115, + 318, + 486, + 331 + ], + "score": 1.0, + "content": "tations of molecules using neural message passing. arXiv preprint arXiv:1711.10168, 2017.", + "type": "text" + } + ], + "index": 17 + } + ], + "index": 16.5, + "bbox_fs": [ + 105, + 306, + 504, + 331 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 335, + 504, + 359 + ], + "lines": [ + { + "bbox": [ + 106, + 335, + 505, + 348 + ], + "spans": [ + { + "bbox": [ + 106, + 335, + 505, + 348 + ], + "score": 1.0, + "content": "James R Norris. Markov chains. Number 2 in Cambridge Series in Statistical and Probabilistic", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 116, + 346, + 312, + 359 + ], + "spans": [ + { + "bbox": [ + 116, + 346, + 312, + 359 + ], + "score": 1.0, + "content": "Mathematics. Cambridge university press, 1998.", + "type": "text" + } + ], + "index": 19 + } + ], + "index": 18.5, + "bbox_fs": [ + 106, + 335, + 505, + 359 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 364, + 504, + 388 + ], + "lines": [ + { + "bbox": [ + 106, + 365, + 504, + 378 + ], + "spans": [ + { + "bbox": [ + 106, + 365, + 504, + 378 + ], + "score": 1.0, + "content": "Hoang NT and Takanori Maehara. Revisiting graph neural networks: All we have is low-pass filters.", + "type": "text" + } + ], + "index": 20 + }, + { + "bbox": [ + 116, + 376, + 279, + 388 + ], + "spans": [ + { + "bbox": [ + 116, + 376, + 279, + 388 + ], + "score": 1.0, + "content": "arXiv preprint arXiv:1905.09550, 2019.", + "type": "text" + } + ], + "index": 21 + } + ], + "index": 20.5, + "bbox_fs": [ + 106, + 365, + 504, + 388 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 393, + 504, + 417 + ], + "lines": [ + { + "bbox": [ + 106, + 394, + 504, + 407 + ], + "spans": [ + { + "bbox": [ + 106, + 394, + 504, + 407 + ], + "score": 1.0, + "content": "Kenta Oono and Taiji Suzuki. Approximation and non-parametric estimation of ResNet-type con-", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 116, + 405, + 391, + 417 + ], + "spans": [ + { + "bbox": [ + 116, + 405, + 391, + 417 + ], + "score": 1.0, + "content": "volutional neural networks. arXiv preprint arXiv:1903.10047, 2019.", + "type": "text" + } + ], + "index": 23 + } + ], + "index": 22.5, + "bbox_fs": [ + 106, + 394, + 504, + 417 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 423, + 503, + 446 + ], + "lines": [ + { + "bbox": [ + 106, + 421, + 505, + 436 + ], + "spans": [ + { + "bbox": [ + 106, + 421, + 505, + 436 + ], + "score": 1.0, + "content": "Sinno Jialin Pan and Qiang Yang. A survey on transfer learning. IEEE Transactions on knowledge", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 116, + 434, + 311, + 446 + ], + "spans": [ + { + "bbox": [ + 116, + 434, + 311, + 446 + ], + "score": 1.0, + "content": "and data engineering, 22(10):1345–1359, 2010.", + "type": "text" + } + ], + "index": 25 + } + ], + "index": 24.5, + "bbox_fs": [ + 106, + 421, + 505, + 446 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 452, + 502, + 475 + ], + "lines": [ + { + "bbox": [ + 106, + 451, + 504, + 464 + ], + "spans": [ + { + "bbox": [ + 106, + 451, + 504, + 464 + ], + "score": 1.0, + "content": "Philipp Petersen and Felix Voigtlaender. Equivalence of approximation by convolutional neural", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 115, + 462, + 442, + 475 + ], + "spans": [ + { + "bbox": [ + 115, + 462, + 442, + 475 + ], + "score": 1.0, + "content": "networks and fully-connected networks. arXiv preprint arXiv:1809.00973, 2018.", + "type": "text" + } + ], + "index": 27 + } + ], + "index": 26.5, + "bbox_fs": [ + 106, + 451, + 504, + 475 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 480, + 502, + 504 + ], + "lines": [ + { + "bbox": [ + 106, + 480, + 503, + 493 + ], + "spans": [ + { + "bbox": [ + 106, + 480, + 503, + 493 + ], + "score": 1.0, + "content": "Franco Scarselli, Marco Gori, Ah Chung Tsoi, Markus Hagenbuchner, and Gabriele Monfardini.", + "type": "text" + } + ], + "index": 28 + }, + { + "bbox": [ + 116, + 491, + 496, + 504 + ], + "spans": [ + { + "bbox": [ + 116, + 491, + 496, + 504 + ], + "score": 1.0, + "content": "The graph neural network model. IEEE Transactions on Neural Networks, 20(1):61–80, 2009.", + "type": "text" + } + ], + "index": 29 + } + ], + "index": 28.5, + "bbox_fs": [ + 106, + 480, + 503, + 504 + ] + }, + { + "type": "text", + "bbox": [ + 108, + 509, + 504, + 544 + ], + "lines": [ + { + "bbox": [ + 106, + 509, + 505, + 522 + ], + "spans": [ + { + "bbox": [ + 106, + 509, + 505, + 522 + ], + "score": 1.0, + "content": "Michael Schlichtkrull, Thomas N Kipf, Peter Bloem, Rianne Van Den Berg, Ivan Titov, and Max", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 116, + 520, + 505, + 533 + ], + "spans": [ + { + "bbox": [ + 116, + 520, + 505, + 533 + ], + "score": 1.0, + "content": "Welling. Modeling relational data with graph convolutional networks. In European Semantic Web", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 117, + 532, + 286, + 544 + ], + "spans": [ + { + "bbox": [ + 117, + 532, + 286, + 544 + ], + "score": 1.0, + "content": "Conference, pp. 593–607. Springer, 2018.", + "type": "text" + } + ], + "index": 32 + } + ], + "index": 31, + "bbox_fs": [ + 106, + 509, + 505, + 544 + ] + }, + { + "type": "text", + "bbox": [ + 105, + 549, + 503, + 573 + ], + "lines": [ + { + "bbox": [ + 106, + 549, + 505, + 562 + ], + "spans": [ + { + "bbox": [ + 106, + 549, + 505, + 562 + ], + "score": 1.0, + "content": "Prithviraj Sen, Galileo Namata, Mustafa Bilgic, Lise Getoor, Brian Galligher, and Tina Eliassi-Rad.", + "type": "text" + } + ], + "index": 33 + }, + { + "bbox": [ + 117, + 561, + 416, + 573 + ], + "spans": [ + { + "bbox": [ + 117, + 561, + 416, + 573 + ], + "score": 1.0, + "content": "Collective classification in network data. AI magazine, 29(3):93–93, 2008.", + "type": "text" + } + ], + "index": 34 + } + ], + "index": 33.5, + "bbox_fs": [ + 106, + 549, + 505, + 573 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 578, + 504, + 601 + ], + "lines": [ + { + "bbox": [ + 107, + 579, + 504, + 591 + ], + "spans": [ + { + "bbox": [ + 107, + 579, + 504, + 591 + ], + "score": 1.0, + "content": "Sho Sonoda and Noboru Murata. Neural network with unbounded activation functions is universal", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 115, + 590, + 460, + 602 + ], + "spans": [ + { + "bbox": [ + 115, + 590, + 460, + 602 + ], + "score": 1.0, + "content": "approximator. Applied and Computational Harmonic Analysis, 43(2):233–268, 2017.", + "type": "text" + } + ], + "index": 36 + } + ], + "index": 35.5, + "bbox_fs": [ + 107, + 579, + 504, + 602 + ] + }, + { + "type": "text", + "bbox": [ + 108, + 607, + 504, + 641 + ], + "lines": [ + { + "bbox": [ + 105, + 607, + 506, + 621 + ], + "spans": [ + { + "bbox": [ + 105, + 607, + 506, + 621 + ], + "score": 1.0, + "content": "Nitish Srivastava, Geoffrey Hinton, Alex Krizhevsky, Ilya Sutskever, and Ruslan Salakhutdinov.", + "type": "text" + } + ], + "index": 37 + }, + { + "bbox": [ + 115, + 618, + 506, + 632 + ], + "spans": [ + { + "bbox": [ + 115, + 618, + 506, + 632 + ], + "score": 1.0, + "content": "Dropout: A simple way to prevent neural networks from overfitting. Journal of Machine Learning", + "type": "text" + } + ], + "index": 38 + }, + { + "bbox": [ + 116, + 630, + 245, + 641 + ], + "spans": [ + { + "bbox": [ + 116, + 630, + 245, + 641 + ], + "score": 1.0, + "content": "Research, 15:1929–1958, 2014.", + "type": "text" + } + ], + "index": 39 + } + ], + "index": 38, + "bbox_fs": [ + 105, + 607, + 506, + 641 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 647, + 504, + 681 + ], + "lines": [ + { + "bbox": [ + 104, + 645, + 506, + 662 + ], + "spans": [ + { + "bbox": [ + 104, + 645, + 506, + 662 + ], + "score": 1.0, + "content": "Matus Telgarsky. Benefits of depth in neural networks. In 29th Annual Conference on Learning", + "type": "text" + } + ], + "index": 40 + }, + { + "bbox": [ + 116, + 659, + 505, + 671 + ], + "spans": [ + { + "bbox": [ + 116, + 659, + 505, + 671 + ], + "score": 1.0, + "content": "Theory, volume 49 of Proceedings of Machine Learning Research, pp. 1517–1539. PMLR, 23–", + "type": "text" + } + ], + "index": 41 + }, + { + "bbox": [ + 115, + 669, + 170, + 681 + ], + "spans": [ + { + "bbox": [ + 115, + 669, + 170, + 681 + ], + "score": 1.0, + "content": "26 Jun 2016.", + "type": "text" + } + ], + "index": 42 + } + ], + "index": 41, + "bbox_fs": [ + 104, + 645, + 506, + 681 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 687, + 505, + 732 + ], + "lines": [ + { + "bbox": [ + 105, + 687, + 505, + 701 + ], + "spans": [ + { + "bbox": [ + 105, + 687, + 505, + 701 + ], + "score": 1.0, + "content": "Seiya Tokui, Kenta Oono, Shohei Hido, and Justin Clayton. Chainer: a next-generation open", + "type": "text" + } + ], + "index": 43 + }, + { + "bbox": [ + 115, + 699, + 505, + 711 + ], + "spans": [ + { + "bbox": [ + 115, + 699, + 505, + 711 + ], + "score": 1.0, + "content": "source framework for deep learning. In Proceedings of Workshop on Machine Learning Sys-", + "type": "text" + } + ], + "index": 44 + }, + { + "bbox": [ + 115, + 709, + 505, + 723 + ], + "spans": [ + { + "bbox": [ + 115, + 709, + 505, + 723 + ], + "score": 1.0, + "content": "tems (LearningSys) in The Twenty-ninth Annual Conference on Neural Information Processing", + "type": "text" + } + ], + "index": 45 + }, + { + "bbox": [ + 114, + 720, + 208, + 732 + ], + "spans": [ + { + "bbox": [ + 114, + 720, + 208, + 732 + ], + "score": 1.0, + "content": "Systems (NIPS), 2015.", + "type": "text" + } + ], + "index": 46 + } + ], + "index": 44.5, + "bbox_fs": [ + 105, + 687, + 505, + 732 + ] + } + ] + }, + { + "preproc_blocks": [ + { + "type": "text", + "bbox": [ + 107, + 82, + 505, + 127 + ], + "lines": [ + { + "bbox": [ + 105, + 82, + 505, + 95 + ], + "spans": [ + { + "bbox": [ + 105, + 82, + 505, + 95 + ], + "score": 1.0, + "content": "Seiya Tokui, Ryosuke Okuta, Takuya Akiba, Yusuke Niitani, Toru Ogawa, Shunta Saito, Shuji", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 115, + 94, + 505, + 106 + ], + "spans": [ + { + "bbox": [ + 115, + 94, + 505, + 106 + ], + "score": 1.0, + "content": "Suzuki, Kota Uenishi, Brian Vogel, and Hiroyuki Yamazaki Vincent. Chainer: A deep learn-", + "type": "text" + } + ], + "index": 1 + }, + { + "bbox": [ + 115, + 104, + 506, + 117 + ], + "spans": [ + { + "bbox": [ + 115, + 104, + 506, + 117 + ], + "score": 1.0, + "content": "ing framework for accelerating the research cycle. In Proceedings of the 25th ACM SIGKDD", + "type": "text" + } + ], + "index": 2 + }, + { + "bbox": [ + 115, + 115, + 506, + 128 + ], + "spans": [ + { + "bbox": [ + 115, + 115, + 506, + 128 + ], + "score": 1.0, + "content": "International Conference on Knowledge Discovery & Data Mining, pp. 2002–2011. ACM, 2019.", + "type": "text" + } + ], + "index": 3 + } + ], + "index": 1.5 + }, + { + "type": "text", + "bbox": [ + 106, + 133, + 504, + 167 + ], + "lines": [ + { + "bbox": [ + 105, + 133, + 505, + 147 + ], + "spans": [ + { + "bbox": [ + 105, + 133, + 505, + 147 + ], + "score": 1.0, + "content": "Petar Velickovi ˇ c, Guillem Cucurull, Arantxa Casanova, Adriana Romero, Pietro Li ´ o, and Yoshua `", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 115, + 145, + 505, + 158 + ], + "spans": [ + { + "bbox": [ + 115, + 145, + 505, + 158 + ], + "score": 1.0, + "content": "Bengio. Graph attention networks. In International Conference on Learning Representations,", + "type": "text" + } + ], + "index": 5 + }, + { + "bbox": [ + 115, + 154, + 143, + 169 + ], + "spans": [ + { + "bbox": [ + 115, + 154, + 143, + 169 + ], + "score": 1.0, + "content": "2018.", + "type": "text" + } + ], + "index": 6 + } + ], + "index": 5 + }, + { + "type": "text", + "bbox": [ + 106, + 174, + 505, + 209 + ], + "lines": [ + { + "bbox": [ + 106, + 174, + 505, + 188 + ], + "spans": [ + { + "bbox": [ + 106, + 174, + 505, + 188 + ], + "score": 1.0, + "content": "Saurabh Verma and Zhi-Li Zhang. Stability and generalization of graph convolutional neural net-", + "type": "text" + } + ], + "index": 7 + }, + { + "bbox": [ + 116, + 185, + 504, + 198 + ], + "spans": [ + { + "bbox": [ + 116, + 185, + 504, + 198 + ], + "score": 1.0, + "content": "works. In Proceedings of the 25th ACM SIGKDD International Conference on Knowledge Dis-", + "type": "text" + } + ], + "index": 8 + }, + { + "bbox": [ + 115, + 197, + 236, + 209 + ], + "spans": [ + { + "bbox": [ + 115, + 197, + 236, + 209 + ], + "score": 1.0, + "content": "covery & Data Mining, 2019.", + "type": "text" + } + ], + "index": 9 + } + ], + "index": 8 + }, + { + "type": "text", + "bbox": [ + 106, + 215, + 502, + 239 + ], + "lines": [ + { + "bbox": [ + 106, + 214, + 504, + 229 + ], + "spans": [ + { + "bbox": [ + 106, + 214, + 504, + 229 + ], + "score": 1.0, + "content": "Boris Weisfeiler and Lehman A.A. A reduction of a graph to a canonical form and an algebra arising", + "type": "text" + } + ], + "index": 10 + }, + { + "bbox": [ + 116, + 227, + 434, + 239 + ], + "spans": [ + { + "bbox": [ + 116, + 227, + 434, + 239 + ], + "score": 1.0, + "content": "during this reduction. Nauchno-Technicheskaya Informatsia, 2(9):12–16, 1968.", + "type": "text" + } + ], + "index": 11 + } + ], + "index": 10.5 + }, + { + "type": "text", + "bbox": [ + 107, + 244, + 503, + 269 + ], + "lines": [ + { + "bbox": [ + 105, + 244, + 505, + 258 + ], + "spans": [ + { + "bbox": [ + 105, + 244, + 505, + 258 + ], + "score": 1.0, + "content": "Felix Wu, Tianyi Zhang, Amauri Holanda de Souza Jr, Christopher Fifty, Tao Yu, and Kilian Q", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 116, + 255, + 505, + 269 + ], + "spans": [ + { + "bbox": [ + 116, + 255, + 505, + 269 + ], + "score": 1.0, + "content": "Weinberger. Simplifying graph convolutional networks. arXiv preprint arXiv:1902.07153, 2019a.", + "type": "text" + } + ], + "index": 13 + } + ], + "index": 12.5 + }, + { + "type": "text", + "bbox": [ + 106, + 275, + 505, + 298 + ], + "lines": [ + { + "bbox": [ + 105, + 274, + 505, + 288 + ], + "spans": [ + { + "bbox": [ + 105, + 274, + 505, + 288 + ], + "score": 1.0, + "content": "Zonghan Wu, Shirui Pan, Fengwen Chen, Guodong Long, Chengqi Zhang, and Philip S Yu. A", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 115, + 286, + 482, + 299 + ], + "spans": [ + { + "bbox": [ + 115, + 286, + 482, + 299 + ], + "score": 1.0, + "content": "comprehensive survey on graph neural networks. arXiv preprint arXiv:1901.00596, 2019b.", + "type": "text" + } + ], + "index": 15 + } + ], + "index": 14.5 + }, + { + "type": "text", + "bbox": [ + 106, + 304, + 505, + 350 + ], + "lines": [ + { + "bbox": [ + 106, + 305, + 506, + 318 + ], + "spans": [ + { + "bbox": [ + 106, + 305, + 506, + 318 + ], + "score": 1.0, + "content": "Keyulu Xu, Chengtao Li, Yonglong Tian, Tomohiro Sonobe, Ken-ichi Kawarabayashi, and Stefanie", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 115, + 316, + 506, + 329 + ], + "spans": [ + { + "bbox": [ + 115, + 316, + 506, + 329 + ], + "score": 1.0, + "content": "Jegelka. Representation learning on graphs with jumping knowledge networks. In Proceedings of", + "type": "text" + } + ], + "index": 17 + }, + { + "bbox": [ + 116, + 328, + 505, + 340 + ], + "spans": [ + { + "bbox": [ + 116, + 328, + 505, + 340 + ], + "score": 1.0, + "content": "the 35th International Conference on Machine Learning, volume 80 of Proceedings of Machine", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 116, + 338, + 318, + 351 + ], + "spans": [ + { + "bbox": [ + 116, + 338, + 318, + 351 + ], + "score": 1.0, + "content": "Learning Research, pp. 5453–5462. PMLR, 2018.", + "type": "text" + } + ], + "index": 19 + } + ], + "index": 17.5 + }, + { + "type": "text", + "bbox": [ + 107, + 356, + 503, + 380 + ], + "lines": [ + { + "bbox": [ + 106, + 356, + 505, + 369 + ], + "spans": [ + { + "bbox": [ + 106, + 356, + 505, + 369 + ], + "score": 1.0, + "content": "Keyulu Xu, Weihua Hu, Jure Leskovec, and Stefanie Jegelka. How powerful are graph neural", + "type": "text" + } + ], + "index": 20 + }, + { + "bbox": [ + 115, + 367, + 421, + 380 + ], + "spans": [ + { + "bbox": [ + 115, + 367, + 421, + 380 + ], + "score": 1.0, + "content": "networks? In International Conference on Learning Representations, 2019.", + "type": "text" + } + ], + "index": 21 + } + ], + "index": 20.5 + }, + { + "type": "text", + "bbox": [ + 106, + 386, + 503, + 410 + ], + "lines": [ + { + "bbox": [ + 106, + 386, + 505, + 399 + ], + "spans": [ + { + "bbox": [ + 106, + 386, + 505, + 399 + ], + "score": 1.0, + "content": "Dmitry Yarotsky. Error bounds for approximations with deep ReLU networks. Neural Networks,", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 116, + 398, + 194, + 409 + ], + "spans": [ + { + "bbox": [ + 116, + 398, + 194, + 409 + ], + "score": 1.0, + "content": "94:103–114, 2017.", + "type": "text" + } + ], + "index": 23 + } + ], + "index": 22.5 + }, + { + "type": "text", + "bbox": [ + 106, + 416, + 504, + 439 + ], + "lines": [ + { + "bbox": [ + 105, + 416, + 504, + 429 + ], + "spans": [ + { + "bbox": [ + 105, + 416, + 504, + 429 + ], + "score": 1.0, + "content": "Jiawei Zhang. Gresnet: Graph residuals for reviving deep graph neural nets from suspended anima-", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 115, + 428, + 300, + 439 + ], + "spans": [ + { + "bbox": [ + 115, + 428, + 300, + 439 + ], + "score": 1.0, + "content": "tion. arXiv preprint arXiv:1909.05729, 2019.", + "type": "text" + } + ], + "index": 25 + } + ], + "index": 24.5 + }, + { + "type": "text", + "bbox": [ + 106, + 446, + 504, + 479 + ], + "lines": [ + { + "bbox": [ + 106, + 446, + 505, + 459 + ], + "spans": [ + { + "bbox": [ + 106, + 446, + 404, + 459 + ], + "score": 1.0, + "content": "Lingxiao Zhao and Leman Akoglu. Pairnorm: Tackling oversmoothing in", + "type": "text" + }, + { + "bbox": [ + 404, + 446, + 434, + 459 + ], + "score": 0.85, + "content": "\\{ \\mathrm { g n n } \\} \\mathrm { s }", + "type": "inline_equation" + }, + { + "bbox": [ + 434, + 446, + 505, + 459 + ], + "score": 1.0, + "content": ". In International", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 117, + 457, + 504, + 469 + ], + "spans": [ + { + "bbox": [ + 117, + 457, + 504, + 469 + ], + "score": 1.0, + "content": "Conference on Learning Representations, 2020. URL https://openreview.net/forum?", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 116, + 468, + 199, + 480 + ], + "spans": [ + { + "bbox": [ + 116, + 468, + 129, + 480 + ], + "score": 1.0, + "content": "id", + "type": "text" + }, + { + "bbox": [ + 129, + 470, + 136, + 478 + ], + "score": 0.38, + "content": "=", + "type": "inline_equation" + }, + { + "bbox": [ + 136, + 468, + 199, + 480 + ], + "score": 1.0, + "content": "rkecl1rtwB.", + "type": "text" + } + ], + "index": 28 + } + ], + "index": 27 + }, + { + "type": "text", + "bbox": [ + 105, + 486, + 505, + 510 + ], + "lines": [ + { + "bbox": [ + 106, + 485, + 506, + 500 + ], + "spans": [ + { + "bbox": [ + 106, + 485, + 506, + 500 + ], + "score": 1.0, + "content": "Ding-Xuan Zhou. Universality of deep convolutional neural networks. arXiv preprint", + "type": "text" + } + ], + "index": 29 + }, + { + "bbox": [ + 115, + 497, + 220, + 510 + ], + "spans": [ + { + "bbox": [ + 115, + 497, + 220, + 510 + ], + "score": 1.0, + "content": "arXiv:1805.10769, 2018.", + "type": "text" + } + ], + "index": 30 + } + ], + "index": 29.5 + }, + { + "type": "text", + "bbox": [ + 109, + 516, + 503, + 551 + ], + "lines": [ + { + "bbox": [ + 105, + 515, + 505, + 531 + ], + "spans": [ + { + "bbox": [ + 105, + 515, + 505, + 531 + ], + "score": 1.0, + "content": "Pan Zhou and Jiashi Feng. Understanding generalization and optimization performance of deep", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 116, + 528, + 505, + 540 + ], + "spans": [ + { + "bbox": [ + 116, + 528, + 505, + 540 + ], + "score": 1.0, + "content": "CNNs. In Proceedings of the 35th International Conference on Machine Learning, volume 80 of", + "type": "text" + } + ], + "index": 32 + }, + { + "bbox": [ + 116, + 539, + 418, + 551 + ], + "spans": [ + { + "bbox": [ + 116, + 539, + 418, + 551 + ], + "score": 1.0, + "content": "Proceedings of Machine Learning Research, pp. 5960–5969. PMLR, 2018.", + "type": "text" + } + ], + "index": 33 + } + ], + "index": 32 + }, + { + "type": "title", + "bbox": [ + 108, + 570, + 244, + 584 + ], + "lines": [ + { + "bbox": [ + 106, + 570, + 245, + 586 + ], + "spans": [ + { + "bbox": [ + 106, + 570, + 245, + 586 + ], + "score": 1.0, + "content": "A PROOF OF THEOREM 1", + "type": "text" + } + ], + "index": 34 + } + ], + "index": 34 + }, + { + "type": "text", + "bbox": [ + 106, + 596, + 505, + 630 + ], + "lines": [ + { + "bbox": [ + 106, + 596, + 505, + 608 + ], + "spans": [ + { + "bbox": [ + 106, + 596, + 505, + 608 + ], + "score": 1.0, + "content": "As we wrote in the main article, it is enough to show the following lemmas (definition of mis-", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 105, + 606, + 506, + 622 + ], + "spans": [ + { + "bbox": [ + 105, + 606, + 351, + 622 + ], + "score": 1.0, + "content": "cellaneous variables are as in Section 3.2). Remember that", + "type": "text" + }, + { + "bbox": [ + 352, + 608, + 444, + 621 + ], + "score": 0.92, + "content": "\\lambda = \\operatorname* { s u p } _ { n \\in [ N - M ] } | \\lambda _ { n } |", + "type": "inline_equation" + }, + { + "bbox": [ + 445, + 606, + 464, + 622 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 465, + 609, + 478, + 619 + ], + "score": 0.86, + "content": "s _ { l h }", + "type": "inline_equation" + }, + { + "bbox": [ + 479, + 606, + 506, + 622 + ], + "score": 1.0, + "content": "is the", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 105, + 619, + 237, + 632 + ], + "spans": [ + { + "bbox": [ + 105, + 619, + 218, + 632 + ], + "score": 1.0, + "content": "maximum singular value of", + "type": "text" + }, + { + "bbox": [ + 219, + 619, + 237, + 631 + ], + "score": 0.89, + "content": "W _ { l h }", + "type": "inline_equation" + } + ], + "index": 37 + } + ], + "index": 36 + }, + { + "type": "text", + "bbox": [ + 105, + 632, + 371, + 646 + ], + "lines": [ + { + "bbox": [ + 104, + 630, + 372, + 649 + ], + "spans": [ + { + "bbox": [ + 104, + 630, + 187, + 649 + ], + "score": 1.0, + "content": "Lemma 1. For any", + "type": "text" + }, + { + "bbox": [ + 187, + 633, + 236, + 644 + ], + "score": 0.91, + "content": "X \\in \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 237, + 630, + 276, + 649 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + }, + { + "bbox": [ + 276, + 633, + 367, + 646 + ], + "score": 0.91, + "content": "d _ { \\mathcal { M } } ( P X ) \\leq \\lambda d _ { \\mathcal { M } } ( X )", + "type": "inline_equation" + }, + { + "bbox": [ + 368, + 630, + 372, + 649 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 38 + } + ], + "index": 38 + }, + { + "type": "text", + "bbox": [ + 105, + 648, + 387, + 661 + ], + "lines": [ + { + "bbox": [ + 104, + 644, + 387, + 664 + ], + "spans": [ + { + "bbox": [ + 104, + 644, + 187, + 664 + ], + "score": 1.0, + "content": "Lemma 2. For any", + "type": "text" + }, + { + "bbox": [ + 187, + 647, + 236, + 659 + ], + "score": 0.9, + "content": "X \\in \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 237, + 644, + 276, + 664 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + }, + { + "bbox": [ + 276, + 648, + 383, + 661 + ], + "score": 0.91, + "content": "d _ { \\mathcal { M } } ( X W _ { l h } ) \\leq s _ { l h } d _ { \\mathcal { M } } ( X )", + "type": "inline_equation" + }, + { + "bbox": [ + 384, + 644, + 387, + 664 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 39 + } + ], + "index": 39 + }, + { + "type": "text", + "bbox": [ + 106, + 663, + 370, + 676 + ], + "lines": [ + { + "bbox": [ + 104, + 659, + 367, + 679 + ], + "spans": [ + { + "bbox": [ + 104, + 659, + 187, + 679 + ], + "score": 1.0, + "content": "Lemma 3. For any", + "type": "text" + }, + { + "bbox": [ + 187, + 663, + 236, + 674 + ], + "score": 0.91, + "content": "X \\in \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 237, + 659, + 276, + 679 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + }, + { + "bbox": [ + 276, + 663, + 367, + 676 + ], + "score": 0.91, + "content": "d _ { \\mathcal { M } } ( \\sigma ( X ) ) \\leq d _ { \\mathcal { M } } ( X )", + "type": "inline_equation" + } + ], + "index": 40 + } + ], + "index": 40 + }, + { + "type": "text", + "bbox": [ + 106, + 687, + 506, + 734 + ], + "lines": [ + { + "bbox": [ + 106, + 687, + 506, + 700 + ], + "spans": [ + { + "bbox": [ + 106, + 687, + 173, + 700 + ], + "score": 1.0, + "content": "Proof of Lemma", + "type": "text" + }, + { + "bbox": [ + 174, + 688, + 179, + 698 + ], + "score": 0.29, + "content": "^ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 180, + 687, + 210, + 700 + ], + "score": 1.0, + "content": ". Since", + "type": "text" + }, + { + "bbox": [ + 211, + 688, + 220, + 698 + ], + "score": 0.83, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 220, + 687, + 357, + 700 + ], + "score": 1.0, + "content": "is a symmetric linear operator on", + "type": "text" + }, + { + "bbox": [ + 357, + 687, + 372, + 698 + ], + "score": 0.89, + "content": "U ^ { \\perp }", + "type": "inline_equation" + }, + { + "bbox": [ + 373, + 687, + 506, + 700 + ], + "score": 1.0, + "content": ", we can choose the orthonormal", + "type": "text" + } + ], + "index": 41 + }, + { + "bbox": [ + 104, + 697, + 507, + 713 + ], + "spans": [ + { + "bbox": [ + 104, + 697, + 130, + 713 + ], + "score": 1.0, + "content": "basis", + "type": "text" + }, + { + "bbox": [ + 130, + 699, + 201, + 711 + ], + "score": 0.91, + "content": "( e _ { m } ) _ { m = M + 1 , \\dots , N }", + "type": "inline_equation" + }, + { + "bbox": [ + 202, + 697, + 214, + 713 + ], + "score": 1.0, + "content": "of", + "type": "text" + }, + { + "bbox": [ + 215, + 698, + 230, + 709 + ], + "score": 0.88, + "content": "U ^ { \\perp }", + "type": "inline_equation" + }, + { + "bbox": [ + 231, + 697, + 358, + 713 + ], + "score": 1.0, + "content": "consisting of the eigenvalue of", + "type": "text" + }, + { + "bbox": [ + 359, + 699, + 382, + 711 + ], + "score": 0.92, + "content": "P | _ { U ^ { \\perp } }", + "type": "inline_equation" + }, + { + "bbox": [ + 383, + 697, + 405, + 713 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 405, + 699, + 420, + 710 + ], + "score": 0.89, + "content": "\\lambda _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 420, + 697, + 507, + 713 + ], + "score": 1.0, + "content": "be the eigenvalue of", + "type": "text" + } + ], + "index": 42 + }, + { + "bbox": [ + 107, + 708, + 506, + 722 + ], + "spans": [ + { + "bbox": [ + 107, + 710, + 115, + 720 + ], + "score": 0.84, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 116, + 708, + 155, + 722 + ], + "score": 1.0, + "content": "to which", + "type": "text" + }, + { + "bbox": [ + 155, + 712, + 168, + 721 + ], + "score": 0.85, + "content": "e _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 169, + 708, + 225, + 722 + ], + "score": 1.0, + "content": "is associated", + "type": "text" + }, + { + "bbox": [ + 225, + 710, + 315, + 721 + ], + "score": 0.89, + "content": "( m = M + 1 , \\ldots , N )", + "type": "inline_equation" + }, + { + "bbox": [ + 315, + 708, + 470, + 722 + ], + "score": 1.0, + "content": ". Note that since the operator norm of", + "type": "text" + }, + { + "bbox": [ + 470, + 710, + 493, + 722 + ], + "score": 0.92, + "content": "P | _ { U ^ { \\perp } }", + "type": "inline_equation" + }, + { + "bbox": [ + 494, + 708, + 506, + 722 + ], + "score": 1.0, + "content": "is", + "type": "text" + } + ], + "index": 43 + }, + { + "bbox": [ + 106, + 720, + 506, + 734 + ], + "spans": [ + { + "bbox": [ + 106, + 721, + 114, + 731 + ], + "score": 0.78, + "content": "\\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 114, + 720, + 153, + 734 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + }, + { + "bbox": [ + 153, + 721, + 192, + 732 + ], + "score": 0.93, + "content": "| \\lambda _ { m } | \\leq \\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 192, + 720, + 220, + 734 + ], + "score": 1.0, + "content": "for all", + "type": "text" + }, + { + "bbox": [ + 221, + 721, + 303, + 732 + ], + "score": 0.88, + "content": "m = M + 1 , \\ldots , N", + "type": "inline_equation" + }, + { + "bbox": [ + 303, + 720, + 333, + 734 + ], + "score": 1.0, + "content": ". Since", + "type": "text" + }, + { + "bbox": [ + 333, + 720, + 378, + 733 + ], + "score": 0.93, + "content": "( e _ { m } ) _ { m \\in [ N ] }", + "type": "inline_equation" + }, + { + "bbox": [ + 378, + 720, + 506, + 734 + ], + "score": 1.0, + "content": "forms the orthonormal basis of", + "type": "text" + } + ], + "index": 44 + } + ], + "index": 42.5 + } + ], + "page_idx": 12, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 107, + 27, + 293, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 300, + 751, + 311, + 760 + ], + "lines": [ + { + "bbox": [ + 299, + 750, + 313, + 764 + ], + "spans": [ + { + "bbox": [ + 299, + 750, + 313, + 764 + ], + "score": 1.0, + "content": "13", + "type": "text" + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "text", + "bbox": [ + 107, + 82, + 505, + 127 + ], + "lines": [ + { + "bbox": [ + 105, + 82, + 505, + 95 + ], + "spans": [ + { + "bbox": [ + 105, + 82, + 505, + 95 + ], + "score": 1.0, + "content": "Seiya Tokui, Ryosuke Okuta, Takuya Akiba, Yusuke Niitani, Toru Ogawa, Shunta Saito, Shuji", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 115, + 94, + 505, + 106 + ], + "spans": [ + { + "bbox": [ + 115, + 94, + 505, + 106 + ], + "score": 1.0, + "content": "Suzuki, Kota Uenishi, Brian Vogel, and Hiroyuki Yamazaki Vincent. Chainer: A deep learn-", + "type": "text" + } + ], + "index": 1 + }, + { + "bbox": [ + 115, + 104, + 506, + 117 + ], + "spans": [ + { + "bbox": [ + 115, + 104, + 506, + 117 + ], + "score": 1.0, + "content": "ing framework for accelerating the research cycle. In Proceedings of the 25th ACM SIGKDD", + "type": "text" + } + ], + "index": 2 + }, + { + "bbox": [ + 115, + 115, + 506, + 128 + ], + "spans": [ + { + "bbox": [ + 115, + 115, + 506, + 128 + ], + "score": 1.0, + "content": "International Conference on Knowledge Discovery & Data Mining, pp. 2002–2011. ACM, 2019.", + "type": "text" + } + ], + "index": 3 + } + ], + "index": 1.5, + "bbox_fs": [ + 105, + 82, + 506, + 128 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 133, + 504, + 167 + ], + "lines": [ + { + "bbox": [ + 105, + 133, + 505, + 147 + ], + "spans": [ + { + "bbox": [ + 105, + 133, + 505, + 147 + ], + "score": 1.0, + "content": "Petar Velickovi ˇ c, Guillem Cucurull, Arantxa Casanova, Adriana Romero, Pietro Li ´ o, and Yoshua `", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 115, + 145, + 505, + 158 + ], + "spans": [ + { + "bbox": [ + 115, + 145, + 505, + 158 + ], + "score": 1.0, + "content": "Bengio. Graph attention networks. In International Conference on Learning Representations,", + "type": "text" + } + ], + "index": 5 + }, + { + "bbox": [ + 115, + 154, + 143, + 169 + ], + "spans": [ + { + "bbox": [ + 115, + 154, + 143, + 169 + ], + "score": 1.0, + "content": "2018.", + "type": "text" + } + ], + "index": 6 + } + ], + "index": 5, + "bbox_fs": [ + 105, + 133, + 505, + 169 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 174, + 505, + 209 + ], + "lines": [ + { + "bbox": [ + 106, + 174, + 505, + 188 + ], + "spans": [ + { + "bbox": [ + 106, + 174, + 505, + 188 + ], + "score": 1.0, + "content": "Saurabh Verma and Zhi-Li Zhang. Stability and generalization of graph convolutional neural net-", + "type": "text" + } + ], + "index": 7 + }, + { + "bbox": [ + 116, + 185, + 504, + 198 + ], + "spans": [ + { + "bbox": [ + 116, + 185, + 504, + 198 + ], + "score": 1.0, + "content": "works. In Proceedings of the 25th ACM SIGKDD International Conference on Knowledge Dis-", + "type": "text" + } + ], + "index": 8 + }, + { + "bbox": [ + 115, + 197, + 236, + 209 + ], + "spans": [ + { + "bbox": [ + 115, + 197, + 236, + 209 + ], + "score": 1.0, + "content": "covery & Data Mining, 2019.", + "type": "text" + } + ], + "index": 9 + } + ], + "index": 8, + "bbox_fs": [ + 106, + 174, + 505, + 209 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 215, + 502, + 239 + ], + "lines": [ + { + "bbox": [ + 106, + 214, + 504, + 229 + ], + "spans": [ + { + "bbox": [ + 106, + 214, + 504, + 229 + ], + "score": 1.0, + "content": "Boris Weisfeiler and Lehman A.A. A reduction of a graph to a canonical form and an algebra arising", + "type": "text" + } + ], + "index": 10 + }, + { + "bbox": [ + 116, + 227, + 434, + 239 + ], + "spans": [ + { + "bbox": [ + 116, + 227, + 434, + 239 + ], + "score": 1.0, + "content": "during this reduction. Nauchno-Technicheskaya Informatsia, 2(9):12–16, 1968.", + "type": "text" + } + ], + "index": 11 + } + ], + "index": 10.5, + "bbox_fs": [ + 106, + 214, + 504, + 239 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 244, + 503, + 269 + ], + "lines": [ + { + "bbox": [ + 105, + 244, + 505, + 258 + ], + "spans": [ + { + "bbox": [ + 105, + 244, + 505, + 258 + ], + "score": 1.0, + "content": "Felix Wu, Tianyi Zhang, Amauri Holanda de Souza Jr, Christopher Fifty, Tao Yu, and Kilian Q", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 116, + 255, + 505, + 269 + ], + "spans": [ + { + "bbox": [ + 116, + 255, + 505, + 269 + ], + "score": 1.0, + "content": "Weinberger. Simplifying graph convolutional networks. arXiv preprint arXiv:1902.07153, 2019a.", + "type": "text" + } + ], + "index": 13 + } + ], + "index": 12.5, + "bbox_fs": [ + 105, + 244, + 505, + 269 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 275, + 505, + 298 + ], + "lines": [ + { + "bbox": [ + 105, + 274, + 505, + 288 + ], + "spans": [ + { + "bbox": [ + 105, + 274, + 505, + 288 + ], + "score": 1.0, + "content": "Zonghan Wu, Shirui Pan, Fengwen Chen, Guodong Long, Chengqi Zhang, and Philip S Yu. A", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 115, + 286, + 482, + 299 + ], + "spans": [ + { + "bbox": [ + 115, + 286, + 482, + 299 + ], + "score": 1.0, + "content": "comprehensive survey on graph neural networks. arXiv preprint arXiv:1901.00596, 2019b.", + "type": "text" + } + ], + "index": 15 + } + ], + "index": 14.5, + "bbox_fs": [ + 105, + 274, + 505, + 299 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 304, + 505, + 350 + ], + "lines": [ + { + "bbox": [ + 106, + 305, + 506, + 318 + ], + "spans": [ + { + "bbox": [ + 106, + 305, + 506, + 318 + ], + "score": 1.0, + "content": "Keyulu Xu, Chengtao Li, Yonglong Tian, Tomohiro Sonobe, Ken-ichi Kawarabayashi, and Stefanie", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 115, + 316, + 506, + 329 + ], + "spans": [ + { + "bbox": [ + 115, + 316, + 506, + 329 + ], + "score": 1.0, + "content": "Jegelka. Representation learning on graphs with jumping knowledge networks. In Proceedings of", + "type": "text" + } + ], + "index": 17 + }, + { + "bbox": [ + 116, + 328, + 505, + 340 + ], + "spans": [ + { + "bbox": [ + 116, + 328, + 505, + 340 + ], + "score": 1.0, + "content": "the 35th International Conference on Machine Learning, volume 80 of Proceedings of Machine", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 116, + 338, + 318, + 351 + ], + "spans": [ + { + "bbox": [ + 116, + 338, + 318, + 351 + ], + "score": 1.0, + "content": "Learning Research, pp. 5453–5462. PMLR, 2018.", + "type": "text" + } + ], + "index": 19 + } + ], + "index": 17.5, + "bbox_fs": [ + 106, + 305, + 506, + 351 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 356, + 503, + 380 + ], + "lines": [ + { + "bbox": [ + 106, + 356, + 505, + 369 + ], + "spans": [ + { + "bbox": [ + 106, + 356, + 505, + 369 + ], + "score": 1.0, + "content": "Keyulu Xu, Weihua Hu, Jure Leskovec, and Stefanie Jegelka. How powerful are graph neural", + "type": "text" + } + ], + "index": 20 + }, + { + "bbox": [ + 115, + 367, + 421, + 380 + ], + "spans": [ + { + "bbox": [ + 115, + 367, + 421, + 380 + ], + "score": 1.0, + "content": "networks? In International Conference on Learning Representations, 2019.", + "type": "text" + } + ], + "index": 21 + } + ], + "index": 20.5, + "bbox_fs": [ + 106, + 356, + 505, + 380 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 386, + 503, + 410 + ], + "lines": [ + { + "bbox": [ + 106, + 386, + 505, + 399 + ], + "spans": [ + { + "bbox": [ + 106, + 386, + 505, + 399 + ], + "score": 1.0, + "content": "Dmitry Yarotsky. Error bounds for approximations with deep ReLU networks. Neural Networks,", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 116, + 398, + 194, + 409 + ], + "spans": [ + { + "bbox": [ + 116, + 398, + 194, + 409 + ], + "score": 1.0, + "content": "94:103–114, 2017.", + "type": "text" + } + ], + "index": 23 + } + ], + "index": 22.5, + "bbox_fs": [ + 106, + 386, + 505, + 409 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 416, + 504, + 439 + ], + "lines": [ + { + "bbox": [ + 105, + 416, + 504, + 429 + ], + "spans": [ + { + "bbox": [ + 105, + 416, + 504, + 429 + ], + "score": 1.0, + "content": "Jiawei Zhang. Gresnet: Graph residuals for reviving deep graph neural nets from suspended anima-", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 115, + 428, + 300, + 439 + ], + "spans": [ + { + "bbox": [ + 115, + 428, + 300, + 439 + ], + "score": 1.0, + "content": "tion. arXiv preprint arXiv:1909.05729, 2019.", + "type": "text" + } + ], + "index": 25 + } + ], + "index": 24.5, + "bbox_fs": [ + 105, + 416, + 504, + 439 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 446, + 504, + 479 + ], + "lines": [ + { + "bbox": [ + 106, + 446, + 505, + 459 + ], + "spans": [ + { + "bbox": [ + 106, + 446, + 404, + 459 + ], + "score": 1.0, + "content": "Lingxiao Zhao and Leman Akoglu. Pairnorm: Tackling oversmoothing in", + "type": "text" + }, + { + "bbox": [ + 404, + 446, + 434, + 459 + ], + "score": 0.85, + "content": "\\{ \\mathrm { g n n } \\} \\mathrm { s }", + "type": "inline_equation" + }, + { + "bbox": [ + 434, + 446, + 505, + 459 + ], + "score": 1.0, + "content": ". In International", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 117, + 457, + 504, + 469 + ], + "spans": [ + { + "bbox": [ + 117, + 457, + 504, + 469 + ], + "score": 1.0, + "content": "Conference on Learning Representations, 2020. URL https://openreview.net/forum?", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 116, + 468, + 199, + 480 + ], + "spans": [ + { + "bbox": [ + 116, + 468, + 129, + 480 + ], + "score": 1.0, + "content": "id", + "type": "text" + }, + { + "bbox": [ + 129, + 470, + 136, + 478 + ], + "score": 0.38, + "content": "=", + "type": "inline_equation" + }, + { + "bbox": [ + 136, + 468, + 199, + 480 + ], + "score": 1.0, + "content": "rkecl1rtwB.", + "type": "text" + } + ], + "index": 28 + } + ], + "index": 27, + "bbox_fs": [ + 106, + 446, + 505, + 480 + ] + }, + { + "type": "text", + "bbox": [ + 105, + 486, + 505, + 510 + ], + "lines": [ + { + "bbox": [ + 106, + 485, + 506, + 500 + ], + "spans": [ + { + "bbox": [ + 106, + 485, + 506, + 500 + ], + "score": 1.0, + "content": "Ding-Xuan Zhou. Universality of deep convolutional neural networks. arXiv preprint", + "type": "text" + } + ], + "index": 29 + }, + { + "bbox": [ + 115, + 497, + 220, + 510 + ], + "spans": [ + { + "bbox": [ + 115, + 497, + 220, + 510 + ], + "score": 1.0, + "content": "arXiv:1805.10769, 2018.", + "type": "text" + } + ], + "index": 30 + } + ], + "index": 29.5, + "bbox_fs": [ + 106, + 485, + 506, + 510 + ] + }, + { + "type": "text", + "bbox": [ + 109, + 516, + 503, + 551 + ], + "lines": [ + { + "bbox": [ + 105, + 515, + 505, + 531 + ], + "spans": [ + { + "bbox": [ + 105, + 515, + 505, + 531 + ], + "score": 1.0, + "content": "Pan Zhou and Jiashi Feng. Understanding generalization and optimization performance of deep", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 116, + 528, + 505, + 540 + ], + "spans": [ + { + "bbox": [ + 116, + 528, + 505, + 540 + ], + "score": 1.0, + "content": "CNNs. In Proceedings of the 35th International Conference on Machine Learning, volume 80 of", + "type": "text" + } + ], + "index": 32 + }, + { + "bbox": [ + 116, + 539, + 418, + 551 + ], + "spans": [ + { + "bbox": [ + 116, + 539, + 418, + 551 + ], + "score": 1.0, + "content": "Proceedings of Machine Learning Research, pp. 5960–5969. PMLR, 2018.", + "type": "text" + } + ], + "index": 33 + } + ], + "index": 32, + "bbox_fs": [ + 105, + 515, + 505, + 551 + ] + }, + { + "type": "title", + "bbox": [ + 108, + 570, + 244, + 584 + ], + "lines": [ + { + "bbox": [ + 106, + 570, + 245, + 586 + ], + "spans": [ + { + "bbox": [ + 106, + 570, + 245, + 586 + ], + "score": 1.0, + "content": "A PROOF OF THEOREM 1", + "type": "text" + } + ], + "index": 34 + } + ], + "index": 34 + }, + { + "type": "text", + "bbox": [ + 106, + 596, + 505, + 630 + ], + "lines": [ + { + "bbox": [ + 106, + 596, + 505, + 608 + ], + "spans": [ + { + "bbox": [ + 106, + 596, + 505, + 608 + ], + "score": 1.0, + "content": "As we wrote in the main article, it is enough to show the following lemmas (definition of mis-", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 105, + 606, + 506, + 622 + ], + "spans": [ + { + "bbox": [ + 105, + 606, + 351, + 622 + ], + "score": 1.0, + "content": "cellaneous variables are as in Section 3.2). Remember that", + "type": "text" + }, + { + "bbox": [ + 352, + 608, + 444, + 621 + ], + "score": 0.92, + "content": "\\lambda = \\operatorname* { s u p } _ { n \\in [ N - M ] } | \\lambda _ { n } |", + "type": "inline_equation" + }, + { + "bbox": [ + 445, + 606, + 464, + 622 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 465, + 609, + 478, + 619 + ], + "score": 0.86, + "content": "s _ { l h }", + "type": "inline_equation" + }, + { + "bbox": [ + 479, + 606, + 506, + 622 + ], + "score": 1.0, + "content": "is the", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 105, + 619, + 237, + 632 + ], + "spans": [ + { + "bbox": [ + 105, + 619, + 218, + 632 + ], + "score": 1.0, + "content": "maximum singular value of", + "type": "text" + }, + { + "bbox": [ + 219, + 619, + 237, + 631 + ], + "score": 0.89, + "content": "W _ { l h }", + "type": "inline_equation" + } + ], + "index": 37 + } + ], + "index": 36, + "bbox_fs": [ + 105, + 596, + 506, + 632 + ] + }, + { + "type": "text", + "bbox": [ + 105, + 632, + 371, + 646 + ], + "lines": [ + { + "bbox": [ + 104, + 630, + 372, + 649 + ], + "spans": [ + { + "bbox": [ + 104, + 630, + 187, + 649 + ], + "score": 1.0, + "content": "Lemma 1. For any", + "type": "text" + }, + { + "bbox": [ + 187, + 633, + 236, + 644 + ], + "score": 0.91, + "content": "X \\in \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 237, + 630, + 276, + 649 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + }, + { + "bbox": [ + 276, + 633, + 367, + 646 + ], + "score": 0.91, + "content": "d _ { \\mathcal { M } } ( P X ) \\leq \\lambda d _ { \\mathcal { M } } ( X )", + "type": "inline_equation" + }, + { + "bbox": [ + 368, + 630, + 372, + 649 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 38 + } + ], + "index": 38, + "bbox_fs": [ + 104, + 630, + 372, + 649 + ] + }, + { + "type": "text", + "bbox": [ + 105, + 648, + 387, + 661 + ], + "lines": [ + { + "bbox": [ + 104, + 644, + 387, + 664 + ], + "spans": [ + { + "bbox": [ + 104, + 644, + 187, + 664 + ], + "score": 1.0, + "content": "Lemma 2. For any", + "type": "text" + }, + { + "bbox": [ + 187, + 647, + 236, + 659 + ], + "score": 0.9, + "content": "X \\in \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 237, + 644, + 276, + 664 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + }, + { + "bbox": [ + 276, + 648, + 383, + 661 + ], + "score": 0.91, + "content": "d _ { \\mathcal { M } } ( X W _ { l h } ) \\leq s _ { l h } d _ { \\mathcal { M } } ( X )", + "type": "inline_equation" + }, + { + "bbox": [ + 384, + 644, + 387, + 664 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 39 + } + ], + "index": 39, + "bbox_fs": [ + 104, + 644, + 387, + 664 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 663, + 370, + 676 + ], + "lines": [ + { + "bbox": [ + 104, + 659, + 367, + 679 + ], + "spans": [ + { + "bbox": [ + 104, + 659, + 187, + 679 + ], + "score": 1.0, + "content": "Lemma 3. For any", + "type": "text" + }, + { + "bbox": [ + 187, + 663, + 236, + 674 + ], + "score": 0.91, + "content": "X \\in \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 237, + 659, + 276, + 679 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + }, + { + "bbox": [ + 276, + 663, + 367, + 676 + ], + "score": 0.91, + "content": "d _ { \\mathcal { M } } ( \\sigma ( X ) ) \\leq d _ { \\mathcal { M } } ( X )", + "type": "inline_equation" + } + ], + "index": 40 + } + ], + "index": 40, + "bbox_fs": [ + 104, + 659, + 367, + 679 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 687, + 506, + 734 + ], + "lines": [ + { + "bbox": [ + 106, + 687, + 506, + 700 + ], + "spans": [ + { + "bbox": [ + 106, + 687, + 173, + 700 + ], + "score": 1.0, + "content": "Proof of Lemma", + "type": "text" + }, + { + "bbox": [ + 174, + 688, + 179, + 698 + ], + "score": 0.29, + "content": "^ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 180, + 687, + 210, + 700 + ], + "score": 1.0, + "content": ". Since", + "type": "text" + }, + { + "bbox": [ + 211, + 688, + 220, + 698 + ], + "score": 0.83, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 220, + 687, + 357, + 700 + ], + "score": 1.0, + "content": "is a symmetric linear operator on", + "type": "text" + }, + { + "bbox": [ + 357, + 687, + 372, + 698 + ], + "score": 0.89, + "content": "U ^ { \\perp }", + "type": "inline_equation" + }, + { + "bbox": [ + 373, + 687, + 506, + 700 + ], + "score": 1.0, + "content": ", we can choose the orthonormal", + "type": "text" + } + ], + "index": 41 + }, + { + "bbox": [ + 104, + 697, + 507, + 713 + ], + "spans": [ + { + "bbox": [ + 104, + 697, + 130, + 713 + ], + "score": 1.0, + "content": "basis", + "type": "text" + }, + { + "bbox": [ + 130, + 699, + 201, + 711 + ], + "score": 0.91, + "content": "( e _ { m } ) _ { m = M + 1 , \\dots , N }", + "type": "inline_equation" + }, + { + "bbox": [ + 202, + 697, + 214, + 713 + ], + "score": 1.0, + "content": "of", + "type": "text" + }, + { + "bbox": [ + 215, + 698, + 230, + 709 + ], + "score": 0.88, + "content": "U ^ { \\perp }", + "type": "inline_equation" + }, + { + "bbox": [ + 231, + 697, + 358, + 713 + ], + "score": 1.0, + "content": "consisting of the eigenvalue of", + "type": "text" + }, + { + "bbox": [ + 359, + 699, + 382, + 711 + ], + "score": 0.92, + "content": "P | _ { U ^ { \\perp } }", + "type": "inline_equation" + }, + { + "bbox": [ + 383, + 697, + 405, + 713 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 405, + 699, + 420, + 710 + ], + "score": 0.89, + "content": "\\lambda _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 420, + 697, + 507, + 713 + ], + "score": 1.0, + "content": "be the eigenvalue of", + "type": "text" + } + ], + "index": 42 + }, + { + "bbox": [ + 107, + 708, + 506, + 722 + ], + "spans": [ + { + "bbox": [ + 107, + 710, + 115, + 720 + ], + "score": 0.84, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 116, + 708, + 155, + 722 + ], + "score": 1.0, + "content": "to which", + "type": "text" + }, + { + "bbox": [ + 155, + 712, + 168, + 721 + ], + "score": 0.85, + "content": "e _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 169, + 708, + 225, + 722 + ], + "score": 1.0, + "content": "is associated", + "type": "text" + }, + { + "bbox": [ + 225, + 710, + 315, + 721 + ], + "score": 0.89, + "content": "( m = M + 1 , \\ldots , N )", + "type": "inline_equation" + }, + { + "bbox": [ + 315, + 708, + 470, + 722 + ], + "score": 1.0, + "content": ". Note that since the operator norm of", + "type": "text" + }, + { + "bbox": [ + 470, + 710, + 493, + 722 + ], + "score": 0.92, + "content": "P | _ { U ^ { \\perp } }", + "type": "inline_equation" + }, + { + "bbox": [ + 494, + 708, + 506, + 722 + ], + "score": 1.0, + "content": "is", + "type": "text" + } + ], + "index": 43 + }, + { + "bbox": [ + 106, + 720, + 506, + 734 + ], + "spans": [ + { + "bbox": [ + 106, + 721, + 114, + 731 + ], + "score": 0.78, + "content": "\\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 114, + 720, + 153, + 734 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + }, + { + "bbox": [ + 153, + 721, + 192, + 732 + ], + "score": 0.93, + "content": "| \\lambda _ { m } | \\leq \\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 192, + 720, + 220, + 734 + ], + "score": 1.0, + "content": "for all", + "type": "text" + }, + { + "bbox": [ + 221, + 721, + 303, + 732 + ], + "score": 0.88, + "content": "m = M + 1 , \\ldots , N", + "type": "inline_equation" + }, + { + "bbox": [ + 303, + 720, + 333, + 734 + ], + "score": 1.0, + "content": ". Since", + "type": "text" + }, + { + "bbox": [ + 333, + 720, + 378, + 733 + ], + "score": 0.93, + "content": "( e _ { m } ) _ { m \\in [ N ] }", + "type": "inline_equation" + }, + { + "bbox": [ + 378, + 720, + 506, + 734 + ], + "score": 1.0, + "content": "forms the orthonormal basis of", + "type": "text" + } + ], + "index": 44 + }, + { + "bbox": [ + 106, + 73, + 510, + 101 + ], + "spans": [ + { + "bbox": [ + 106, + 81, + 122, + 93 + ], + "score": 0.87, + "content": "\\mathbb { R } ^ { N }", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 122, + 73, + 218, + 101 + ], + "score": 1.0, + "content": ", we can uniquely write", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 219, + 81, + 270, + 93 + ], + "score": 0.92, + "content": "X \\in \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 270, + 73, + 282, + 101 + ], + "score": 1.0, + "content": "as", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 282, + 80, + 376, + 95 + ], + "score": 0.93, + "content": "\\begin{array} { r } { X = \\sum _ { m = 1 } ^ { N } e _ { m } \\otimes w _ { m } } \\end{array}", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 377, + 73, + 416, + 101 + ], + "score": 1.0, + "content": "for some", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 416, + 81, + 459, + 94 + ], + "score": 0.93, + "content": "w _ { m } \\in \\mathbb { R } ^ { C }", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 460, + 73, + 510, + 101 + ], + "score": 1.0, + "content": ". Then, we", + "type": "text", + "cross_page": true + } + ], + "index": 0 + }, + { + "bbox": [ + 99, + 86, + 512, + 117 + ], + "spans": [ + { + "bbox": [ + 99, + 86, + 127, + 117 + ], + "score": 1.0, + "content": "have", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 127, + 93, + 247, + 110 + ], + "score": 0.93, + "content": "\\begin{array} { r } { d _ { \\mathcal { M } } ^ { 2 } ( X ) = \\sum _ { m = M + 1 } ^ { N } \\| w _ { m } \\| ^ { 2 } } \\end{array}", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 247, + 86, + 275, + 117 + ], + "score": 1.0, + "content": "where", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 275, + 96, + 291, + 109 + ], + "score": 0.9, + "content": "\\| \\cdot \\|", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 292, + 86, + 512, + 117 + ], + "score": 1.0, + "content": "m=1 m m m is the 2-norm of a vector. On the other hand, we have", + "type": "text", + "cross_page": true + } + ], + "index": 1 + } + ], + "index": 42.5, + "bbox_fs": [ + 104, + 687, + 507, + 734 + ] + } + ] + }, + { + "preproc_blocks": [ + { + "type": "text", + "bbox": [ + 106, + 79, + 506, + 110 + ], + "lines": [ + { + "bbox": [ + 106, + 73, + 510, + 101 + ], + "spans": [ + { + "bbox": [ + 106, + 81, + 122, + 93 + ], + "score": 0.87, + "content": "\\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 122, + 73, + 218, + 101 + ], + "score": 1.0, + "content": ", we can uniquely write", + "type": "text" + }, + { + "bbox": [ + 219, + 81, + 270, + 93 + ], + "score": 0.92, + "content": "X \\in \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 270, + 73, + 282, + 101 + ], + "score": 1.0, + "content": "as", + "type": "text" + }, + { + "bbox": [ + 282, + 80, + 376, + 95 + ], + "score": 0.93, + "content": "\\begin{array} { r } { X = \\sum _ { m = 1 } ^ { N } e _ { m } \\otimes w _ { m } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 377, + 73, + 416, + 101 + ], + "score": 1.0, + "content": "for some", + "type": "text" + }, + { + "bbox": [ + 416, + 81, + 459, + 94 + ], + "score": 0.93, + "content": "w _ { m } \\in \\mathbb { R } ^ { C }", + "type": "inline_equation" + }, + { + "bbox": [ + 460, + 73, + 510, + 101 + ], + "score": 1.0, + "content": ". Then, we", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 99, + 86, + 512, + 117 + ], + "spans": [ + { + "bbox": [ + 99, + 86, + 127, + 117 + ], + "score": 1.0, + "content": "have", + "type": "text" + }, + { + "bbox": [ + 127, + 93, + 247, + 110 + ], + "score": 0.93, + "content": "\\begin{array} { r } { d _ { \\mathcal { M } } ^ { 2 } ( X ) = \\sum _ { m = M + 1 } ^ { N } \\| w _ { m } \\| ^ { 2 } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 247, + 86, + 275, + 117 + ], + "score": 1.0, + "content": "where", + "type": "text" + }, + { + "bbox": [ + 275, + 96, + 291, + 109 + ], + "score": 0.9, + "content": "\\| \\cdot \\|", + "type": "inline_equation" + }, + { + "bbox": [ + 292, + 86, + 512, + 117 + ], + "score": 1.0, + "content": "m=1 m m m is the 2-norm of a vector. On the other hand, we have", + "type": "text" + } + ], + "index": 1 + } + ], + "index": 0.5 + }, + { + "type": "interline_equation", + "bbox": [ + 203, + 116, + 408, + 223 + ], + "lines": [ + { + "bbox": [ + 203, + 116, + 408, + 223 + ], + "spans": [ + { + "bbox": [ + 203, + 116, + 408, + 223 + ], + "score": 0.95, + "content": "\\begin{array} { l } { { \\displaystyle P X = \\sum _ { m = 1 } ^ { N } P e _ { m } \\otimes w _ { m } } } \\\\ { ~ } \\\\ { { \\displaystyle ~ = \\sum _ { m = 1 } ^ { M } P e _ { m } \\otimes w _ { m } + \\sum _ { m = M + 1 } ^ { N } P e _ { m } \\otimes w _ { m } } } \\\\ { { \\displaystyle ~ = \\sum _ { m = 1 } ^ { M } P e _ { m } \\otimes w _ { m } + \\sum _ { m = M + 1 } ^ { N } e _ { m } \\otimes \\left( \\lambda _ { m } w _ { m } \\right) } } \\end{array}", + "type": "interline_equation", + "image_path": "ebdf38f8421714663fc0ce017ea1e1607adc9bfbfba6c6df26e9662d41ab49ca.jpg" + } + ] + } + ], + "index": 4, + "virtual_lines": [ + { + "bbox": [ + 203, + 116, + 408, + 137.4 + ], + "spans": [], + "index": 2 + }, + { + "bbox": [ + 203, + 137.4, + 408, + 158.8 + ], + "spans": [], + "index": 3 + }, + { + "bbox": [ + 203, + 158.8, + 408, + 180.20000000000002 + ], + "spans": [], + "index": 4 + }, + { + "bbox": [ + 203, + 180.20000000000002, + 408, + 201.60000000000002 + ], + "spans": [], + "index": 5 + }, + { + "bbox": [ + 203, + 201.60000000000002, + 408, + 223.00000000000003 + ], + "spans": [], + "index": 6 + } + ] + }, + { + "type": "text", + "bbox": [ + 107, + 229, + 505, + 266 + ], + "lines": [ + { + "bbox": [ + 132, + 228, + 510, + 267 + ], + "spans": [ + { + "bbox": [ + 132, + 230, + 141, + 240 + ], + "score": 0.81, + "content": "U", + "type": "inline_equation" + }, + { + "bbox": [ + 160, + 228, + 218, + 267 + ], + "score": 1.0, + "content": "nvariant under . Therefore, w", + "type": "text" + }, + { + "bbox": [ + 219, + 230, + 228, + 240 + ], + "score": 0.83, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 228, + 228, + 245, + 267 + ], + "score": 1.0, + "content": ", forhave", + "type": "text" + }, + { + "bbox": [ + 266, + 230, + 309, + 241 + ], + "score": 0.91, + "content": "m \\in [ M ]", + "type": "inline_equation" + }, + { + "bbox": [ + 371, + 230, + 392, + 241 + ], + "score": 0.9, + "content": "P e _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 393, + 228, + 510, + 267 + ], + "score": 1.0, + "content": "as a linear combination ofThen, we obtain the desired", + "type": "text" + } + ], + "index": 8 + }, + { + "bbox": [ + 106, + 241, + 387, + 257 + ], + "spans": [ + { + "bbox": [ + 106, + 243, + 160, + 255 + ], + "score": 0.91, + "content": "e _ { n } ( n \\in [ M ] )", + "type": "inline_equation" + }, + { + "bbox": [ + 246, + 241, + 387, + 257 + ], + "score": 0.92, + "content": "\\begin{array} { r } { d _ { \\mathcal { M } } ^ { 2 } ( P X ) = \\sum _ { m = M + 1 } ^ { N } \\| \\lambda _ { m } w _ { m } \\| ^ { 2 } } \\end{array}", + "type": "inline_equation" + } + ], + "index": 7 + } + ], + "index": 7.5 + }, + { + "type": "interline_equation", + "bbox": [ + 239, + 272, + 371, + 397 + ], + "lines": [ + { + "bbox": [ + 239, + 272, + 371, + 397 + ], + "spans": [ + { + "bbox": [ + 239, + 272, + 371, + 397 + ], + "score": 0.92, + "content": "\\begin{array} { r l r } { { d _ { { \\mathcal M } } ^ { 2 } ( P X ) = \\sum _ { m = M + 1 } ^ { N } \\| \\lambda _ { m } w _ { m } \\| ^ { 2 } } } \\\\ & { } & \\\\ & { } & { \\leq \\lambda ^ { 2 } \\sum _ { m = M + 1 } ^ { N } \\| w _ { m } \\| ^ { 2 } } \\\\ & { } & { \\leq \\lambda ^ { 2 } \\displaystyle \\sum _ { m = M + 1 } ^ { N } \\| w _ { m } \\| ^ { 2 } } \\\\ & { } & \\\\ & { } & { = \\lambda ^ { 2 } d _ { { \\mathcal M } } ^ { 2 } ( X ) . } \\end{array}", + "type": "interline_equation", + "image_path": "2d20c7b13c75612e652ad08f45b54ce116add66b3167800688d04acf8a22592a.jpg" + } + ] + } + ], + "index": 9.5, + "virtual_lines": [ + { + "bbox": [ + 239, + 272, + 371, + 334.5 + ], + "spans": [], + "index": 9 + }, + { + "bbox": [ + 239, + 334.5, + 371, + 397.0 + ], + "spans": [], + "index": 10 + } + ] + }, + { + "type": "text", + "bbox": [ + 104, + 430, + 471, + 443 + ], + "lines": [ + { + "bbox": [ + 106, + 430, + 471, + 444 + ], + "spans": [ + { + "bbox": [ + 106, + 430, + 322, + 444 + ], + "score": 1.0, + "content": "Proof of Lemma 2. Using the same decomposition of", + "type": "text" + }, + { + "bbox": [ + 322, + 432, + 332, + 441 + ], + "score": 0.84, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 332, + 430, + 471, + 444 + ], + "score": 1.0, + "content": "as the proof in Lemma 1, we have", + "type": "text" + } + ], + "index": 11 + } + ], + "index": 11 + }, + { + "type": "interline_equation", + "bbox": [ + 186, + 449, + 425, + 521 + ], + "lines": [ + { + "bbox": [ + 186, + 449, + 425, + 521 + ], + "spans": [ + { + "bbox": [ + 186, + 449, + 425, + 521 + ], + "score": 0.94, + "content": "\\begin{array} { r l r } { { X W _ { l h } = \\sum _ { m = 1 } ^ { N } e _ { m } \\otimes ( W _ { l h } ^ { \\top } w _ { m } ) } } \\\\ & { } & { = \\sum _ { m = 1 } ^ { M } e _ { m } \\otimes ( W _ { l h } ^ { \\top } w _ { m } ) + \\sum _ { m = M + 1 } ^ { N } e _ { m } \\otimes ( W _ { l h } ^ { \\top } w _ { m } ) . } \\end{array}", + "type": "interline_equation", + "image_path": "11c62737dd7afa77a1fa1f9b149e31987b5092043d5a2cbbdcbc4dd3cd85d7da.jpg" + } + ] + } + ], + "index": 13, + "virtual_lines": [ + { + "bbox": [ + 186, + 449, + 425, + 473.0 + ], + "spans": [], + "index": 12 + }, + { + "bbox": [ + 186, + 473.0, + 425, + 497.0 + ], + "spans": [], + "index": 13 + }, + { + "bbox": [ + 186, + 497.0, + 425, + 521.0 + ], + "spans": [], + "index": 14 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 526, + 186, + 538 + ], + "lines": [ + { + "bbox": [ + 106, + 525, + 186, + 539 + ], + "spans": [ + { + "bbox": [ + 106, + 525, + 186, + 539 + ], + "score": 1.0, + "content": "Therefore, we have", + "type": "text" + } + ], + "index": 15 + } + ], + "index": 15 + }, + { + "type": "interline_equation", + "bbox": [ + 232, + 545, + 378, + 632 + ], + "lines": [ + { + "bbox": [ + 232, + 545, + 378, + 632 + ], + "spans": [ + { + "bbox": [ + 232, + 545, + 378, + 632 + ], + "score": 0.93, + "content": "\\begin{array} { r l r } { { d _ { \\mathcal { M } } ^ { 2 } ( X W _ { l h } ) = \\sum _ { m = M + 1 } ^ { N } \\| W _ { l h } ^ { \\top } w _ { m } \\| ^ { 2 } } } \\\\ & { } & { \\leq s _ { l h } ^ { 2 } \\sum _ { m = M + 1 } ^ { N } \\| w _ { m } \\| ^ { 2 } } \\\\ & { } & { = s _ { l h } ^ { 2 } d _ { \\mathcal { M } } ^ { 2 } ( X ) . } \\end{array}", + "type": "interline_equation", + "image_path": "1e1f7af71d03e46e2b2c1f6a93dbe12369a4668beb889066020801bff330d278.jpg" + } + ] + } + ], + "index": 16.5, + "virtual_lines": [ + { + "bbox": [ + 232, + 545, + 378, + 588.5 + ], + "spans": [], + "index": 16 + }, + { + "bbox": [ + 232, + 588.5, + 378, + 632.0 + ], + "spans": [], + "index": 17 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 666, + 506, + 735 + ], + "lines": [ + { + "bbox": [ + 105, + 666, + 505, + 681 + ], + "spans": [ + { + "bbox": [ + 105, + 666, + 232, + 681 + ], + "score": 1.0, + "content": "Proof of Lemma 3. We choose", + "type": "text" + }, + { + "bbox": [ + 233, + 668, + 317, + 680 + ], + "score": 0.91, + "content": "( e _ { m } ) _ { m = N - M + 1 , \\dots , N }", + "type": "inline_equation" + }, + { + "bbox": [ + 317, + 666, + 482, + 681 + ], + "score": 1.0, + "content": "as in the proof of Lemma 1. We denote", + "type": "text" + }, + { + "bbox": [ + 483, + 668, + 505, + 678 + ], + "score": 0.85, + "content": "X =", + "type": "inline_equation" + } + ], + "index": 18 + }, + { + "bbox": [ + 107, + 676, + 506, + 695 + ], + "spans": [ + { + "bbox": [ + 107, + 680, + 177, + 693 + ], + "score": 0.93, + "content": "( X _ { n c } ) _ { n \\in [ N ] , c \\in [ C ] }", + "type": "inline_equation" + }, + { + "bbox": [ + 177, + 676, + 196, + 695 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 196, + 680, + 272, + 693 + ], + "score": 0.92, + "content": "e _ { n } = ( e _ { m n } ) _ { m \\in [ N ] }", + "type": "inline_equation" + }, + { + "bbox": [ + 273, + 676, + 348, + 695 + ], + "score": 1.0, + "content": ", respectively. Let", + "type": "text" + }, + { + "bbox": [ + 348, + 679, + 385, + 693 + ], + "score": 0.92, + "content": "( e _ { c } ^ { \\prime } ) _ { c \\in [ C ] }", + "type": "inline_equation" + }, + { + "bbox": [ + 386, + 676, + 486, + 695 + ], + "score": 1.0, + "content": "be the standard basis of", + "type": "text" + }, + { + "bbox": [ + 486, + 679, + 501, + 690 + ], + "score": 0.87, + "content": "\\mathbb { R } ^ { C }", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 676, + 506, + 695 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 19 + }, + { + "bbox": [ + 104, + 689, + 507, + 706 + ], + "spans": [ + { + "bbox": [ + 104, + 689, + 133, + 706 + ], + "score": 1.0, + "content": "Then,", + "type": "text" + }, + { + "bbox": [ + 134, + 693, + 219, + 705 + ], + "score": 0.92, + "content": "( e _ { n } \\otimes e _ { c } ^ { \\prime } ) _ { n \\in [ N ] , c \\in [ C ] }", + "type": "inline_equation" + }, + { + "bbox": [ + 219, + 689, + 335, + 706 + ], + "score": 1.0, + "content": "is the orthonormal basis of", + "type": "text" + }, + { + "bbox": [ + 335, + 692, + 363, + 702 + ], + "score": 0.91, + "content": "\\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 363, + 689, + 507, + 706 + ], + "score": 1.0, + "content": ", endowed with the standard inner", + "type": "text" + } + ], + "index": 20 + }, + { + "bbox": [ + 103, + 703, + 508, + 725 + ], + "spans": [ + { + "bbox": [ + 103, + 703, + 334, + 725 + ], + "score": 1.0, + "content": "product as a Euclid space. Therefore, we can decompose", + "type": "text" + }, + { + "bbox": [ + 334, + 707, + 344, + 717 + ], + "score": 0.82, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 344, + 703, + 356, + 725 + ], + "score": 1.0, + "content": "as", + "type": "text" + }, + { + "bbox": [ + 356, + 704, + 477, + 719 + ], + "score": 0.92, + "content": "\\begin{array} { r } { X = \\sum _ { n = 1 } ^ { N } \\sum _ { c = 1 } ^ { C } a _ { n c } e _ { n } \\otimes e _ { c } ^ { \\prime } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 477, + 703, + 508, + 725 + ], + "score": 1.0, + "content": "where", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 106, + 711, + 501, + 741 + ], + "spans": [ + { + "bbox": [ + 106, + 718, + 274, + 734 + ], + "score": 0.92, + "content": "\\begin{array} { r } { a _ { n c } = \\left. X , e _ { n } \\otimes e _ { c } ^ { \\prime } \\right. = \\sum _ { m = 1 } ^ { N } X _ { m c } e _ { m n } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 274, + 711, + 344, + 741 + ], + "score": 1.0, + "content": ". Then, we have", + "type": "text" + }, + { + "bbox": [ + 344, + 719, + 501, + 734 + ], + "score": 0.9, + "content": "\\begin{array} { r } { d _ { \\mathcal { M } } ^ { 2 } ( X ) = \\sum _ { n = M + 1 } ^ { N } \\| \\sum _ { c = 1 } ^ { C } a _ { n c } e _ { c } ^ { \\prime } \\| ^ { 2 } } \\end{array}", + "type": "inline_equation" + } + ], + "index": 22 + } + ], + "index": 20 + } + ], + "page_idx": 13, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 106, + 26, + 294, + 38 + ], + "lines": [ + { + "bbox": [ + 106, + 25, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 25, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 300, + 751, + 311, + 760 + ], + "lines": [ + { + "bbox": [ + 299, + 750, + 313, + 764 + ], + "spans": [ + { + "bbox": [ + 299, + 750, + 313, + 764 + ], + "score": 1.0, + "content": "14", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 494, + 637, + 505, + 649 + ], + "lines": [ + { + "bbox": [ + 495, + 639, + 505, + 649 + ], + "spans": [ + { + "bbox": [ + 495, + 639, + 505, + 649 + ], + "score": 0.998, + "content": "□", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 494, + 402, + 505, + 413 + ], + "lines": [ + { + "bbox": [ + 496, + 404, + 504, + 412 + ], + "spans": [ + { + "bbox": [ + 496, + 404, + 504, + 412 + ], + "score": 0.997, + "content": "□", + "type": "text" + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "text", + "bbox": [ + 106, + 79, + 506, + 110 + ], + "lines": [], + "index": 0.5, + "bbox_fs": [ + 99, + 73, + 512, + 117 + ], + "lines_deleted": true + }, + { + "type": "interline_equation", + "bbox": [ + 203, + 116, + 408, + 223 + ], + "lines": [ + { + "bbox": [ + 203, + 116, + 408, + 223 + ], + "spans": [ + { + "bbox": [ + 203, + 116, + 408, + 223 + ], + "score": 0.95, + "content": "\\begin{array} { l } { { \\displaystyle P X = \\sum _ { m = 1 } ^ { N } P e _ { m } \\otimes w _ { m } } } \\\\ { ~ } \\\\ { { \\displaystyle ~ = \\sum _ { m = 1 } ^ { M } P e _ { m } \\otimes w _ { m } + \\sum _ { m = M + 1 } ^ { N } P e _ { m } \\otimes w _ { m } } } \\\\ { { \\displaystyle ~ = \\sum _ { m = 1 } ^ { M } P e _ { m } \\otimes w _ { m } + \\sum _ { m = M + 1 } ^ { N } e _ { m } \\otimes \\left( \\lambda _ { m } w _ { m } \\right) } } \\end{array}", + "type": "interline_equation", + "image_path": "ebdf38f8421714663fc0ce017ea1e1607adc9bfbfba6c6df26e9662d41ab49ca.jpg" + } + ] + } + ], + "index": 4, + "virtual_lines": [ + { + "bbox": [ + 203, + 116, + 408, + 137.4 + ], + "spans": [], + "index": 2 + }, + { + "bbox": [ + 203, + 137.4, + 408, + 158.8 + ], + "spans": [], + "index": 3 + }, + { + "bbox": [ + 203, + 158.8, + 408, + 180.20000000000002 + ], + "spans": [], + "index": 4 + }, + { + "bbox": [ + 203, + 180.20000000000002, + 408, + 201.60000000000002 + ], + "spans": [], + "index": 5 + }, + { + "bbox": [ + 203, + 201.60000000000002, + 408, + 223.00000000000003 + ], + "spans": [], + "index": 6 + } + ] + }, + { + "type": "text", + "bbox": [ + 107, + 229, + 505, + 266 + ], + "lines": [ + { + "bbox": [ + 132, + 228, + 510, + 267 + ], + "spans": [ + { + "bbox": [ + 132, + 230, + 141, + 240 + ], + "score": 0.81, + "content": "U", + "type": "inline_equation" + }, + { + "bbox": [ + 160, + 228, + 218, + 267 + ], + "score": 1.0, + "content": "nvariant under . Therefore, w", + "type": "text" + }, + { + "bbox": [ + 219, + 230, + 228, + 240 + ], + "score": 0.83, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 228, + 228, + 245, + 267 + ], + "score": 1.0, + "content": ", forhave", + "type": "text" + }, + { + "bbox": [ + 266, + 230, + 309, + 241 + ], + "score": 0.91, + "content": "m \\in [ M ]", + "type": "inline_equation" + }, + { + "bbox": [ + 371, + 230, + 392, + 241 + ], + "score": 0.9, + "content": "P e _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 393, + 228, + 510, + 267 + ], + "score": 1.0, + "content": "as a linear combination ofThen, we obtain the desired", + "type": "text" + } + ], + "index": 8 + }, + { + "bbox": [ + 106, + 241, + 387, + 257 + ], + "spans": [ + { + "bbox": [ + 106, + 243, + 160, + 255 + ], + "score": 0.91, + "content": "e _ { n } ( n \\in [ M ] )", + "type": "inline_equation" + }, + { + "bbox": [ + 246, + 241, + 387, + 257 + ], + "score": 0.92, + "content": "\\begin{array} { r } { d _ { \\mathcal { M } } ^ { 2 } ( P X ) = \\sum _ { m = M + 1 } ^ { N } \\| \\lambda _ { m } w _ { m } \\| ^ { 2 } } \\end{array}", + "type": "inline_equation" + } + ], + "index": 7 + } + ], + "index": 7.5, + "bbox_fs": [ + 106, + 228, + 510, + 267 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 239, + 272, + 371, + 397 + ], + "lines": [ + { + "bbox": [ + 239, + 272, + 371, + 397 + ], + "spans": [ + { + "bbox": [ + 239, + 272, + 371, + 397 + ], + "score": 0.92, + "content": "\\begin{array} { r l r } { { d _ { { \\mathcal M } } ^ { 2 } ( P X ) = \\sum _ { m = M + 1 } ^ { N } \\| \\lambda _ { m } w _ { m } \\| ^ { 2 } } } \\\\ & { } & \\\\ & { } & { \\leq \\lambda ^ { 2 } \\sum _ { m = M + 1 } ^ { N } \\| w _ { m } \\| ^ { 2 } } \\\\ & { } & { \\leq \\lambda ^ { 2 } \\displaystyle \\sum _ { m = M + 1 } ^ { N } \\| w _ { m } \\| ^ { 2 } } \\\\ & { } & \\\\ & { } & { = \\lambda ^ { 2 } d _ { { \\mathcal M } } ^ { 2 } ( X ) . } \\end{array}", + "type": "interline_equation", + "image_path": "2d20c7b13c75612e652ad08f45b54ce116add66b3167800688d04acf8a22592a.jpg" + } + ] + } + ], + "index": 9.5, + "virtual_lines": [ + { + "bbox": [ + 239, + 272, + 371, + 334.5 + ], + "spans": [], + "index": 9 + }, + { + "bbox": [ + 239, + 334.5, + 371, + 397.0 + ], + "spans": [], + "index": 10 + } + ] + }, + { + "type": "text", + "bbox": [ + 104, + 430, + 471, + 443 + ], + "lines": [ + { + "bbox": [ + 106, + 430, + 471, + 444 + ], + "spans": [ + { + "bbox": [ + 106, + 430, + 322, + 444 + ], + "score": 1.0, + "content": "Proof of Lemma 2. Using the same decomposition of", + "type": "text" + }, + { + "bbox": [ + 322, + 432, + 332, + 441 + ], + "score": 0.84, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 332, + 430, + 471, + 444 + ], + "score": 1.0, + "content": "as the proof in Lemma 1, we have", + "type": "text" + } + ], + "index": 11 + } + ], + "index": 11, + "bbox_fs": [ + 106, + 430, + 471, + 444 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 186, + 449, + 425, + 521 + ], + "lines": [ + { + "bbox": [ + 186, + 449, + 425, + 521 + ], + "spans": [ + { + "bbox": [ + 186, + 449, + 425, + 521 + ], + "score": 0.94, + "content": "\\begin{array} { r l r } { { X W _ { l h } = \\sum _ { m = 1 } ^ { N } e _ { m } \\otimes ( W _ { l h } ^ { \\top } w _ { m } ) } } \\\\ & { } & { = \\sum _ { m = 1 } ^ { M } e _ { m } \\otimes ( W _ { l h } ^ { \\top } w _ { m } ) + \\sum _ { m = M + 1 } ^ { N } e _ { m } \\otimes ( W _ { l h } ^ { \\top } w _ { m } ) . } \\end{array}", + "type": "interline_equation", + "image_path": "11c62737dd7afa77a1fa1f9b149e31987b5092043d5a2cbbdcbc4dd3cd85d7da.jpg" + } + ] + } + ], + "index": 13, + "virtual_lines": [ + { + "bbox": [ + 186, + 449, + 425, + 473.0 + ], + "spans": [], + "index": 12 + }, + { + "bbox": [ + 186, + 473.0, + 425, + 497.0 + ], + "spans": [], + "index": 13 + }, + { + "bbox": [ + 186, + 497.0, + 425, + 521.0 + ], + "spans": [], + "index": 14 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 526, + 186, + 538 + ], + "lines": [ + { + "bbox": [ + 106, + 525, + 186, + 539 + ], + "spans": [ + { + "bbox": [ + 106, + 525, + 186, + 539 + ], + "score": 1.0, + "content": "Therefore, we have", + "type": "text" + } + ], + "index": 15 + } + ], + "index": 15, + "bbox_fs": [ + 106, + 525, + 186, + 539 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 232, + 545, + 378, + 632 + ], + "lines": [ + { + "bbox": [ + 232, + 545, + 378, + 632 + ], + "spans": [ + { + "bbox": [ + 232, + 545, + 378, + 632 + ], + "score": 0.93, + "content": "\\begin{array} { r l r } { { d _ { \\mathcal { M } } ^ { 2 } ( X W _ { l h } ) = \\sum _ { m = M + 1 } ^ { N } \\| W _ { l h } ^ { \\top } w _ { m } \\| ^ { 2 } } } \\\\ & { } & { \\leq s _ { l h } ^ { 2 } \\sum _ { m = M + 1 } ^ { N } \\| w _ { m } \\| ^ { 2 } } \\\\ & { } & { = s _ { l h } ^ { 2 } d _ { \\mathcal { M } } ^ { 2 } ( X ) . } \\end{array}", + "type": "interline_equation", + "image_path": "1e1f7af71d03e46e2b2c1f6a93dbe12369a4668beb889066020801bff330d278.jpg" + } + ] + } + ], + "index": 16.5, + "virtual_lines": [ + { + "bbox": [ + 232, + 545, + 378, + 588.5 + ], + "spans": [], + "index": 16 + }, + { + "bbox": [ + 232, + 588.5, + 378, + 632.0 + ], + "spans": [], + "index": 17 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 666, + 506, + 735 + ], + "lines": [ + { + "bbox": [ + 105, + 666, + 505, + 681 + ], + "spans": [ + { + "bbox": [ + 105, + 666, + 232, + 681 + ], + "score": 1.0, + "content": "Proof of Lemma 3. We choose", + "type": "text" + }, + { + "bbox": [ + 233, + 668, + 317, + 680 + ], + "score": 0.91, + "content": "( e _ { m } ) _ { m = N - M + 1 , \\dots , N }", + "type": "inline_equation" + }, + { + "bbox": [ + 317, + 666, + 482, + 681 + ], + "score": 1.0, + "content": "as in the proof of Lemma 1. We denote", + "type": "text" + }, + { + "bbox": [ + 483, + 668, + 505, + 678 + ], + "score": 0.85, + "content": "X =", + "type": "inline_equation" + } + ], + "index": 18 + }, + { + "bbox": [ + 107, + 676, + 506, + 695 + ], + "spans": [ + { + "bbox": [ + 107, + 680, + 177, + 693 + ], + "score": 0.93, + "content": "( X _ { n c } ) _ { n \\in [ N ] , c \\in [ C ] }", + "type": "inline_equation" + }, + { + "bbox": [ + 177, + 676, + 196, + 695 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 196, + 680, + 272, + 693 + ], + "score": 0.92, + "content": "e _ { n } = ( e _ { m n } ) _ { m \\in [ N ] }", + "type": "inline_equation" + }, + { + "bbox": [ + 273, + 676, + 348, + 695 + ], + "score": 1.0, + "content": ", respectively. Let", + "type": "text" + }, + { + "bbox": [ + 348, + 679, + 385, + 693 + ], + "score": 0.92, + "content": "( e _ { c } ^ { \\prime } ) _ { c \\in [ C ] }", + "type": "inline_equation" + }, + { + "bbox": [ + 386, + 676, + 486, + 695 + ], + "score": 1.0, + "content": "be the standard basis of", + "type": "text" + }, + { + "bbox": [ + 486, + 679, + 501, + 690 + ], + "score": 0.87, + "content": "\\mathbb { R } ^ { C }", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 676, + 506, + 695 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 19 + }, + { + "bbox": [ + 104, + 689, + 507, + 706 + ], + "spans": [ + { + "bbox": [ + 104, + 689, + 133, + 706 + ], + "score": 1.0, + "content": "Then,", + "type": "text" + }, + { + "bbox": [ + 134, + 693, + 219, + 705 + ], + "score": 0.92, + "content": "( e _ { n } \\otimes e _ { c } ^ { \\prime } ) _ { n \\in [ N ] , c \\in [ C ] }", + "type": "inline_equation" + }, + { + "bbox": [ + 219, + 689, + 335, + 706 + ], + "score": 1.0, + "content": "is the orthonormal basis of", + "type": "text" + }, + { + "bbox": [ + 335, + 692, + 363, + 702 + ], + "score": 0.91, + "content": "\\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 363, + 689, + 507, + 706 + ], + "score": 1.0, + "content": ", endowed with the standard inner", + "type": "text" + } + ], + "index": 20 + }, + { + "bbox": [ + 103, + 703, + 508, + 725 + ], + "spans": [ + { + "bbox": [ + 103, + 703, + 334, + 725 + ], + "score": 1.0, + "content": "product as a Euclid space. Therefore, we can decompose", + "type": "text" + }, + { + "bbox": [ + 334, + 707, + 344, + 717 + ], + "score": 0.82, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 344, + 703, + 356, + 725 + ], + "score": 1.0, + "content": "as", + "type": "text" + }, + { + "bbox": [ + 356, + 704, + 477, + 719 + ], + "score": 0.92, + "content": "\\begin{array} { r } { X = \\sum _ { n = 1 } ^ { N } \\sum _ { c = 1 } ^ { C } a _ { n c } e _ { n } \\otimes e _ { c } ^ { \\prime } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 477, + 703, + 508, + 725 + ], + "score": 1.0, + "content": "where", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 106, + 711, + 501, + 741 + ], + "spans": [ + { + "bbox": [ + 106, + 718, + 274, + 734 + ], + "score": 0.92, + "content": "\\begin{array} { r } { a _ { n c } = \\left. X , e _ { n } \\otimes e _ { c } ^ { \\prime } \\right. = \\sum _ { m = 1 } ^ { N } X _ { m c } e _ { m n } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 274, + 711, + 344, + 741 + ], + "score": 1.0, + "content": ". Then, we have", + "type": "text" + }, + { + "bbox": [ + 344, + 719, + 501, + 734 + ], + "score": 0.9, + "content": "\\begin{array} { r } { d _ { \\mathcal { M } } ^ { 2 } ( X ) = \\sum _ { n = M + 1 } ^ { N } \\| \\sum _ { c = 1 } ^ { C } a _ { n c } e _ { c } ^ { \\prime } \\| ^ { 2 } } \\end{array}", + "type": "inline_equation" + } + ], + "index": 22 + } + ], + "index": 20, + "bbox_fs": [ + 103, + 666, + 508, + 741 + ] + } + ] + }, + { + "preproc_blocks": [ + { + "type": "text", + "bbox": [ + 106, + 82, + 234, + 93 + ], + "lines": [ + { + "bbox": [ + 106, + 81, + 234, + 95 + ], + "spans": [ + { + "bbox": [ + 106, + 81, + 234, + 95 + ], + "score": 1.0, + "content": "which is further transformed as", + "type": "text" + } + ], + "index": 0 + } + ], + "index": 0 + }, + { + "type": "interline_equation", + "bbox": [ + 213, + 97, + 395, + 240 + ], + "lines": [ + { + "bbox": [ + 213, + 97, + 395, + 240 + ], + "spans": [ + { + "bbox": [ + 213, + 97, + 395, + 240 + ], + "score": 0.95, + "content": "\\begin{array} { l } { \\displaystyle d _ { M } ^ { 2 } ( X ) = \\sum _ { n = M + 1 } ^ { N } \\left\\| \\sum _ { c = 1 } ^ { C } a _ { n c } e _ { c } ^ { t } \\right\\| ^ { 2 } } \\\\ { = \\displaystyle \\sum _ { n = M + 1 } ^ { N } \\sum _ { c = 1 } ^ { C } a _ { n c } ^ { 2 } } \\\\ { = \\displaystyle \\sum _ { c = 1 } ^ { C } \\left( \\sum _ { n = 1 } ^ { N } a _ { n c } ^ { 2 } - \\sum _ { n = 1 } ^ { M } a _ { n c } ^ { 2 } \\right) } \\\\ { = \\displaystyle \\sum _ { c = 1 } ^ { C } \\left( \\| X _ { \\mathrm { - c } } \\| ^ { 2 } - \\sum _ { n = 1 } ^ { M } ( X _ { \\mathrm { - c } } , e _ { n } ) ^ { 2 } \\right) , } \\end{array}", + "type": "interline_equation", + "image_path": "3e54bc240f5d9875acd41a1878664feda1310273d70a7eb5f0d1b1f678be3ff5.jpg" + } + ] + } + ], + "index": 5.5, + "virtual_lines": [ + { + "bbox": [ + 213, + 97, + 395, + 111.3 + ], + "spans": [], + "index": 1 + }, + { + "bbox": [ + 213, + 111.3, + 395, + 125.6 + ], + "spans": [], + "index": 2 + }, + { + "bbox": [ + 213, + 125.6, + 395, + 139.9 + ], + "spans": [], + "index": 3 + }, + { + "bbox": [ + 213, + 139.9, + 395, + 154.20000000000002 + ], + "spans": [], + "index": 4 + }, + { + "bbox": [ + 213, + 154.20000000000002, + 395, + 168.50000000000003 + ], + "spans": [], + "index": 5 + }, + { + "bbox": [ + 213, + 168.50000000000003, + 395, + 182.80000000000004 + ], + "spans": [], + "index": 6 + }, + { + "bbox": [ + 213, + 182.80000000000004, + 395, + 197.10000000000005 + ], + "spans": [], + "index": 7 + }, + { + "bbox": [ + 213, + 197.10000000000005, + 395, + 211.40000000000006 + ], + "spans": [], + "index": 8 + }, + { + "bbox": [ + 213, + 211.40000000000006, + 395, + 225.70000000000007 + ], + "spans": [], + "index": 9 + }, + { + "bbox": [ + 213, + 225.70000000000007, + 395, + 240.00000000000009 + ], + "spans": [], + "index": 10 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 241, + 354, + 253 + ], + "lines": [ + { + "bbox": [ + 105, + 240, + 354, + 254 + ], + "spans": [ + { + "bbox": [ + 105, + 240, + 133, + 254 + ], + "score": 1.0, + "content": "where", + "type": "text" + }, + { + "bbox": [ + 133, + 242, + 149, + 252 + ], + "score": 0.87, + "content": "X _ { \\cdot c }", + "type": "inline_equation" + }, + { + "bbox": [ + 150, + 240, + 174, + 254 + ], + "score": 1.0, + "content": "is the", + "type": "text" + }, + { + "bbox": [ + 174, + 243, + 180, + 251 + ], + "score": 0.8, + "content": "c", + "type": "inline_equation" + }, + { + "bbox": [ + 180, + 240, + 263, + 254 + ], + "score": 1.0, + "content": "-th column vector of", + "type": "text" + }, + { + "bbox": [ + 263, + 242, + 272, + 251 + ], + "score": 0.84, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 273, + 240, + 354, + 254 + ], + "score": 1.0, + "content": ". Similarly, we have", + "type": "text" + } + ], + "index": 11 + } + ], + "index": 11 + }, + { + "type": "interline_equation", + "bbox": [ + 207, + 256, + 403, + 290 + ], + "lines": [ + { + "bbox": [ + 207, + 256, + 403, + 290 + ], + "spans": [ + { + "bbox": [ + 207, + 256, + 403, + 290 + ], + "score": 0.93, + "content": "d _ { \\mathcal { M } } ^ { 2 } ( \\sigma ( X ) ) = \\sum _ { c = 1 } ^ { C } \\left( \\| X _ { \\cdot c } ^ { + } \\| ^ { 2 } - \\sum _ { n = 1 } ^ { M } \\langle X _ { \\cdot c } ^ { + } , e _ { n } \\rangle ^ { 2 } \\right) ,", + "type": "interline_equation", + "image_path": "48fd613479f3c412aeb06722190f64eaf2d54146933de23b64847c8812fb608a.jpg" + } + ] + } + ], + "index": 12.5, + "virtual_lines": [ + { + "bbox": [ + 207, + 256, + 403, + 273.0 + ], + "spans": [], + "index": 12 + }, + { + "bbox": [ + 207, + 273.0, + 403, + 290.0 + ], + "spans": [], + "index": 13 + } + ] + }, + { + "type": "text", + "bbox": [ + 107, + 294, + 504, + 317 + ], + "lines": [ + { + "bbox": [ + 105, + 291, + 506, + 308 + ], + "spans": [ + { + "bbox": [ + 105, + 291, + 176, + 308 + ], + "score": 1.0, + "content": "where we denote", + "type": "text" + }, + { + "bbox": [ + 177, + 294, + 282, + 307 + ], + "score": 0.93, + "content": "\\sigma ( X ) = ( X _ { n c } ^ { + } ) _ { n \\in [ N ] , c \\in [ C ] }", + "type": "inline_equation" + }, + { + "bbox": [ + 283, + 291, + 506, + 308 + ], + "score": 1.0, + "content": "in shorthand. Therefore, the inequality follow from the", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 105, + 304, + 504, + 318 + ], + "spans": [ + { + "bbox": [ + 105, + 304, + 180, + 318 + ], + "score": 1.0, + "content": "following lemma.", + "type": "text" + }, + { + "bbox": [ + 497, + 308, + 504, + 314 + ], + "score": 0.688, + "content": "□", + "type": "text" + } + ], + "index": 15 + } + ], + "index": 14.5 + }, + { + "type": "text", + "bbox": [ + 105, + 321, + 505, + 360 + ], + "lines": [ + { + "bbox": [ + 101, + 321, + 506, + 360 + ], + "spans": [ + { + "bbox": [ + 101, + 327, + 128, + 360 + ], + "score": 1.0, + "content": "fying wher", + "type": "text" + }, + { + "bbox": [ + 105, + 321, + 168, + 336 + ], + "score": 1.0, + "content": "Lemma 4. Let", + "type": "text" + }, + { + "bbox": [ + 128, + 336, + 160, + 347 + ], + "score": 0.89, + "content": "v _ { m } \\geq 0", + "type": "inline_equation" + }, + { + "bbox": [ + 169, + 322, + 202, + 333 + ], + "score": 0.91, + "content": "\\boldsymbol { x } \\in \\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 188, + 336, + 226, + 348 + ], + "score": 0.9, + "content": "m \\in [ M ]", + "type": "inline_equation" + }, + { + "bbox": [ + 203, + 321, + 221, + 336 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 221, + 322, + 293, + 335 + ], + "score": 0.91, + "content": "v _ { 1 } , \\hdots , v _ { M } \\in \\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 245, + 327, + 290, + 360 + ], + "score": 1.0, + "content": "en, we have .", + "type": "text" + }, + { + "bbox": [ + 291, + 334, + 504, + 349 + ], + "score": 0.89, + "content": "\\begin{array} { r } { \\| \\ b x \\| ^ { 2 } - \\sum _ { m = 1 } ^ { M } \\langle \\ b x , \\ b v _ { m } \\rangle ^ { 2 } \\geq \\| \\ b x ^ { + } \\| ^ { 2 } - \\sum _ { m = 1 } ^ { M } \\langle \\ b x ^ { + } , \\ b v _ { m } \\rangle ^ { 2 } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 294, + 321, + 411, + 336 + ], + "score": 1.0, + "content": "be orthonormal vectors (i.e.,", + "type": "text" + }, + { + "bbox": [ + 411, + 323, + 479, + 335 + ], + "score": 0.9, + "content": "\\langle v _ { m } , v _ { n } \\rangle = \\delta _ { m n } )", + "type": "inline_equation" + }, + { + "bbox": [ + 479, + 321, + 506, + 336 + ], + "score": 1.0, + "content": "satis-", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 133, + 347, + 245, + 359 + ], + "spans": [ + { + "bbox": [ + 133, + 347, + 204, + 359 + ], + "score": 0.89, + "content": "x ^ { + } : = \\operatorname* { m a x } ( x , 0 )", + "type": "inline_equation" + }, + { + "bbox": [ + 219, + 348, + 245, + 358 + ], + "score": 0.9, + "content": "x \\in \\mathbb { R }", + "type": "inline_equation" + } + ], + "index": 17 + } + ], + "index": 16.5 + }, + { + "type": "text", + "bbox": [ + 106, + 371, + 506, + 407 + ], + "lines": [ + { + "bbox": [ + 114, + 363, + 511, + 396 + ], + "spans": [ + { + "bbox": [ + 114, + 363, + 131, + 396 + ], + "score": 1.0, + "content": "roof.", + "type": "text" + }, + { + "bbox": [ + 146, + 363, + 178, + 396 + ], + "score": 1.0, + "content": "he value", + "type": "text" + }, + { + "bbox": [ + 178, + 371, + 272, + 386 + ], + "score": 0.93, + "content": "\\begin{array} { r } { \\| y \\| ^ { 2 } - \\sum _ { m = 1 } ^ { M } \\langle y , u _ { m } \\rangle ^ { 2 } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 272, + 363, + 453, + 396 + ], + "score": 1.0, + "content": "is invariant under simultaneous coordinate pe", + "type": "text" + }, + { + "bbox": [ + 460, + 363, + 511, + 396 + ], + "score": 1.0, + "content": "mutation of", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 106, + 385, + 460, + 396 + ], + "spans": [ + { + "bbox": [ + 106, + 387, + 113, + 396 + ], + "score": 0.79, + "content": "y", + "type": "inline_equation" + }, + { + "bbox": [ + 131, + 385, + 145, + 395 + ], + "score": 0.85, + "content": "u _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 453, + 387, + 460, + 394 + ], + "score": 0.76, + "content": "x", + "type": "inline_equation" + } + ], + "index": 19 + }, + { + "bbox": [ + 106, + 395, + 407, + 407 + ], + "spans": [ + { + "bbox": [ + 106, + 396, + 272, + 407 + ], + "score": 0.91, + "content": "x _ { 1 } \\leq \\ldots \\leq x _ { L } < 0 \\leq x _ { L + 1 } \\leq \\cdot \\cdot \\cdot \\leq x _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 272, + 395, + 311, + 407 + ], + "score": 1.0, + "content": "for some", + "type": "text" + }, + { + "bbox": [ + 312, + 396, + 342, + 406 + ], + "score": 0.91, + "content": "L \\leq N", + "type": "inline_equation" + }, + { + "bbox": [ + 342, + 395, + 407, + 407 + ], + "score": 1.0, + "content": ". Then, we have", + "type": "text" + } + ], + "index": 20 + } + ], + "index": 19 + }, + { + "type": "interline_equation", + "bbox": [ + 253, + 410, + 358, + 444 + ], + "lines": [ + { + "bbox": [ + 253, + 410, + 358, + 444 + ], + "spans": [ + { + "bbox": [ + 253, + 410, + 358, + 444 + ], + "score": 0.94, + "content": "\\| x \\| ^ { 2 } - \\| x ^ { + } \\| ^ { 2 } = \\sum _ { n = 1 } ^ { L } x _ { n } ^ { 2 } .", + "type": "interline_equation", + "image_path": "68f7d8b8c5d76abce597c2e00354310b9c41ec8fdf5c4ec93f6ccaa43c8842c1.jpg" + } + ] + } + ], + "index": 21.5, + "virtual_lines": [ + { + "bbox": [ + 253, + 410, + 358, + 427.0 + ], + "spans": [], + "index": 21 + }, + { + "bbox": [ + 253, + 427.0, + 358, + 444.0 + ], + "spans": [], + "index": 22 + } + ] + }, + { + "type": "text", + "bbox": [ + 105, + 447, + 505, + 470 + ], + "lines": [ + { + "bbox": [ + 105, + 444, + 505, + 461 + ], + "spans": [ + { + "bbox": [ + 105, + 444, + 133, + 461 + ], + "score": 1.0, + "content": "When", + "type": "text" + }, + { + "bbox": [ + 133, + 448, + 162, + 457 + ], + "score": 0.89, + "content": "L = 0", + "type": "inline_equation" + }, + { + "bbox": [ + 163, + 444, + 478, + 461 + ], + "score": 1.0, + "content": ", the sum in the right hand side is treated as 0. On the other hand, writing as", + "type": "text" + }, + { + "bbox": [ + 479, + 448, + 505, + 459 + ], + "score": 0.83, + "content": "v _ { m } =", + "type": "inline_equation" + } + ], + "index": 23 + }, + { + "bbox": [ + 107, + 458, + 258, + 471 + ], + "spans": [ + { + "bbox": [ + 107, + 458, + 155, + 471 + ], + "score": 0.92, + "content": "( v _ { n m } ) _ { n \\in [ N ] }", + "type": "inline_equation" + }, + { + "bbox": [ + 155, + 458, + 258, + 470 + ], + "score": 1.0, + "content": ", direct calculation shows", + "type": "text" + } + ], + "index": 24 + } + ], + "index": 23.5 + }, + { + "type": "interline_equation", + "bbox": [ + 133, + 473, + 477, + 514 + ], + "lines": [ + { + "bbox": [ + 133, + 473, + 477, + 514 + ], + "spans": [ + { + "bbox": [ + 133, + 473, + 477, + 514 + ], + "score": 0.94, + "content": "\\sum _ { m = 1 } ^ { M } \\langle x , v _ { m } \\rangle ^ { 2 } - \\langle x ^ { + } , v _ { m } \\rangle ^ { 2 } = \\sum _ { m = 1 } ^ { M } \\left( \\left( \\sum _ { n = 1 } ^ { L } x _ { n } v _ { n m } \\right) ^ { 2 } - 2 \\sum _ { n = 1 } ^ { L } \\sum _ { l = L + 1 } ^ { N } x _ { n } x _ { l } v _ { n m } v _ { l m } \\right) .", + "type": "interline_equation", + "image_path": "ea22ca227c9ec044c61e3eba97e9317ef90575c82fd8b35c76fa72f45373c309.jpg" + } + ] + } + ], + "index": 26, + "virtual_lines": [ + { + "bbox": [ + 133, + 473, + 477, + 486.6666666666667 + ], + "spans": [], + "index": 25 + }, + { + "bbox": [ + 133, + 486.6666666666667, + 477, + 500.33333333333337 + ], + "spans": [], + "index": 26 + }, + { + "bbox": [ + 133, + 500.33333333333337, + 477, + 514.0 + ], + "spans": [], + "index": 27 + } + ] + }, + { + "type": "text", + "bbox": [ + 104, + 516, + 505, + 540 + ], + "lines": [ + { + "bbox": [ + 104, + 514, + 506, + 531 + ], + "spans": [ + { + "bbox": [ + 104, + 514, + 122, + 531 + ], + "score": 1.0, + "content": "Let", + "type": "text" + }, + { + "bbox": [ + 122, + 516, + 237, + 529 + ], + "score": 0.9, + "content": "I _ { m } : = \\{ n \\in [ N ] \\mid v _ { n m } > 0 \\}", + "type": "inline_equation" + }, + { + "bbox": [ + 238, + 514, + 307, + 531 + ], + "score": 1.0, + "content": "be the support of", + "type": "text" + }, + { + "bbox": [ + 308, + 519, + 321, + 528 + ], + "score": 0.86, + "content": "v _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 321, + 514, + 335, + 531 + ], + "score": 1.0, + "content": "for", + "type": "text" + }, + { + "bbox": [ + 336, + 517, + 374, + 529 + ], + "score": 0.92, + "content": "m \\in [ M ]", + "type": "inline_equation" + }, + { + "bbox": [ + 374, + 514, + 438, + 531 + ], + "score": 1.0, + "content": ". We note that if", + "type": "text" + }, + { + "bbox": [ + 438, + 516, + 501, + 529 + ], + "score": 0.91, + "content": "m \\neq m ^ { \\prime } \\in [ M ]", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 514, + 506, + 531 + ], + "score": 1.0, + "content": ",", + "type": "text" + } + ], + "index": 28 + }, + { + "bbox": [ + 105, + 527, + 381, + 540 + ], + "spans": [ + { + "bbox": [ + 105, + 527, + 141, + 540 + ], + "score": 1.0, + "content": "we have", + "type": "text" + }, + { + "bbox": [ + 142, + 529, + 199, + 539 + ], + "score": 0.91, + "content": "{ \\cal I } _ { m } \\cap { \\cal I } _ { m ^ { \\prime } } = \\emptyset", + "type": "inline_equation" + }, + { + "bbox": [ + 199, + 527, + 284, + 540 + ], + "score": 1.0, + "content": "since if there existed", + "type": "text" + }, + { + "bbox": [ + 285, + 529, + 341, + 539 + ], + "score": 0.91, + "content": "n \\in I _ { m } \\cap I _ { m ^ { \\prime } }", + "type": "inline_equation" + }, + { + "bbox": [ + 341, + 527, + 381, + 540 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + } + ], + "index": 29 + } + ], + "index": 28.5 + }, + { + "type": "interline_equation", + "bbox": [ + 239, + 543, + 370, + 557 + ], + "lines": [ + { + "bbox": [ + 239, + 543, + 370, + 557 + ], + "spans": [ + { + "bbox": [ + 239, + 543, + 370, + 557 + ], + "score": 0.89, + "content": "0 = \\left. v _ { m } , v _ { m ^ { \\prime } } \\right. \\geq v _ { n m } v _ { n m ^ { \\prime } } > 0 ,", + "type": "interline_equation", + "image_path": "cec6e1c89fcd9f94147f760c9fab60b687a9fb58a22ddf08e549e333eb77ee26.jpg" + } + ] + } + ], + "index": 30, + "virtual_lines": [ + { + "bbox": [ + 239, + 543, + 370, + 557 + ], + "spans": [], + "index": 30 + } + ] + }, + { + "type": "text", + "bbox": [ + 107, + 560, + 244, + 571 + ], + "lines": [ + { + "bbox": [ + 106, + 558, + 245, + 573 + ], + "spans": [ + { + "bbox": [ + 106, + 558, + 245, + 573 + ], + "score": 1.0, + "content": "which is contradictory. Therefore,", + "type": "text" + } + ], + "index": 31 + } + ], + "index": 31 + }, + { + "type": "interline_equation", + "bbox": [ + 105, + 574, + 505, + 732 + ], + "lines": [ + { + "bbox": [ + 105, + 574, + 500, + 732 + ], + "spans": [ + { + "bbox": [ + 105, + 574, + 500, + 732 + ], + "score": 0.86, + "content": "\\begin{array} { r l r } { \\displaystyle \\sum _ { m = 1 } ^ { N } \\left( \\displaystyle \\sum _ { n = 1 } ^ { L } x _ { n } v _ { n m } \\right) ^ { 2 } = \\displaystyle \\sum _ { m = 1 } ^ { N } \\left( \\displaystyle \\sum _ { n \\in L _ { I ^ { n } } \\cap [ L ] } x _ { n } v _ { n m } \\right) ^ { 2 } } & { } & \\\\ { \\displaystyle } & { \\leq \\displaystyle \\sum _ { m = 1 } ^ { N } \\left( \\displaystyle \\sum _ { n \\in L _ { I ^ { n } } \\cap [ L ] } x _ { n } ^ { 2 } \\right) \\left( \\displaystyle \\sum _ { n \\in L _ { I ^ { n } } \\cap [ L ] } x _ { n m } ^ { 2 } \\right) } & { \\displaystyle ( \\cdot \\cdot \\mathrm { C a u c h y - S c h w a r z ~ i n e q u a l i t y } ) } \\\\ { \\displaystyle } & { \\displaystyle \\leq \\displaystyle \\sum _ { m = 1 } ^ { N } \\left( \\displaystyle \\sum _ { n \\in L _ { I ^ { n } } \\cap [ L ] } x _ { n } ^ { 2 } \\right) } & { \\displaystyle ( \\cdot \\cdot | v _ { m } | ^ { 2 } = 1 ) } \\\\ { \\displaystyle } & { \\displaystyle \\leq \\displaystyle \\sum _ { n = 1 } ^ { L } x _ { n } ^ { 2 } . } \\end{array}", + "type": "interline_equation", + "image_path": "e363c202ba9b7ecee3de95f31889b854f5df5a540a429e3c029657ede6d04d16.jpg" + } + ] + } + ], + "index": 33, + "virtual_lines": [ + { + "bbox": [ + 105, + 574, + 505, + 626.6666666666666 + ], + "spans": [], + "index": 32 + }, + { + "bbox": [ + 105, + 626.6666666666666, + 505, + 679.3333333333333 + ], + "spans": [], + "index": 33 + }, + { + "bbox": [ + 105, + 679.3333333333333, + 505, + 731.9999999999999 + ], + "spans": [], + "index": 34 + } + ] + } + ], + "page_idx": 14, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 107, + 26, + 294, + 38 + ], + "lines": [ + { + "bbox": [ + 106, + 25, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 25, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 300, + 751, + 311, + 761 + ], + "lines": [ + { + "bbox": [ + 299, + 750, + 312, + 764 + ], + "spans": [ + { + "bbox": [ + 299, + 750, + 312, + 764 + ], + "score": 1.0, + "content": "15", + "type": "text" + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "text", + "bbox": [ + 106, + 82, + 234, + 93 + ], + "lines": [ + { + "bbox": [ + 106, + 81, + 234, + 95 + ], + "spans": [ + { + "bbox": [ + 106, + 81, + 234, + 95 + ], + "score": 1.0, + "content": "which is further transformed as", + "type": "text" + } + ], + "index": 0 + } + ], + "index": 0, + "bbox_fs": [ + 106, + 81, + 234, + 95 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 213, + 97, + 395, + 240 + ], + "lines": [ + { + "bbox": [ + 213, + 97, + 395, + 240 + ], + "spans": [ + { + "bbox": [ + 213, + 97, + 395, + 240 + ], + "score": 0.95, + "content": "\\begin{array} { l } { \\displaystyle d _ { M } ^ { 2 } ( X ) = \\sum _ { n = M + 1 } ^ { N } \\left\\| \\sum _ { c = 1 } ^ { C } a _ { n c } e _ { c } ^ { t } \\right\\| ^ { 2 } } \\\\ { = \\displaystyle \\sum _ { n = M + 1 } ^ { N } \\sum _ { c = 1 } ^ { C } a _ { n c } ^ { 2 } } \\\\ { = \\displaystyle \\sum _ { c = 1 } ^ { C } \\left( \\sum _ { n = 1 } ^ { N } a _ { n c } ^ { 2 } - \\sum _ { n = 1 } ^ { M } a _ { n c } ^ { 2 } \\right) } \\\\ { = \\displaystyle \\sum _ { c = 1 } ^ { C } \\left( \\| X _ { \\mathrm { - c } } \\| ^ { 2 } - \\sum _ { n = 1 } ^ { M } ( X _ { \\mathrm { - c } } , e _ { n } ) ^ { 2 } \\right) , } \\end{array}", + "type": "interline_equation", + "image_path": "3e54bc240f5d9875acd41a1878664feda1310273d70a7eb5f0d1b1f678be3ff5.jpg" + } + ] + } + ], + "index": 5.5, + "virtual_lines": [ + { + "bbox": [ + 213, + 97, + 395, + 111.3 + ], + "spans": [], + "index": 1 + }, + { + "bbox": [ + 213, + 111.3, + 395, + 125.6 + ], + "spans": [], + "index": 2 + }, + { + "bbox": [ + 213, + 125.6, + 395, + 139.9 + ], + "spans": [], + "index": 3 + }, + { + "bbox": [ + 213, + 139.9, + 395, + 154.20000000000002 + ], + "spans": [], + "index": 4 + }, + { + "bbox": [ + 213, + 154.20000000000002, + 395, + 168.50000000000003 + ], + "spans": [], + "index": 5 + }, + { + "bbox": [ + 213, + 168.50000000000003, + 395, + 182.80000000000004 + ], + "spans": [], + "index": 6 + }, + { + "bbox": [ + 213, + 182.80000000000004, + 395, + 197.10000000000005 + ], + "spans": [], + "index": 7 + }, + { + "bbox": [ + 213, + 197.10000000000005, + 395, + 211.40000000000006 + ], + "spans": [], + "index": 8 + }, + { + "bbox": [ + 213, + 211.40000000000006, + 395, + 225.70000000000007 + ], + "spans": [], + "index": 9 + }, + { + "bbox": [ + 213, + 225.70000000000007, + 395, + 240.00000000000009 + ], + "spans": [], + "index": 10 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 241, + 354, + 253 + ], + "lines": [ + { + "bbox": [ + 105, + 240, + 354, + 254 + ], + "spans": [ + { + "bbox": [ + 105, + 240, + 133, + 254 + ], + "score": 1.0, + "content": "where", + "type": "text" + }, + { + "bbox": [ + 133, + 242, + 149, + 252 + ], + "score": 0.87, + "content": "X _ { \\cdot c }", + "type": "inline_equation" + }, + { + "bbox": [ + 150, + 240, + 174, + 254 + ], + "score": 1.0, + "content": "is the", + "type": "text" + }, + { + "bbox": [ + 174, + 243, + 180, + 251 + ], + "score": 0.8, + "content": "c", + "type": "inline_equation" + }, + { + "bbox": [ + 180, + 240, + 263, + 254 + ], + "score": 1.0, + "content": "-th column vector of", + "type": "text" + }, + { + "bbox": [ + 263, + 242, + 272, + 251 + ], + "score": 0.84, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 273, + 240, + 354, + 254 + ], + "score": 1.0, + "content": ". Similarly, we have", + "type": "text" + } + ], + "index": 11 + } + ], + "index": 11, + "bbox_fs": [ + 105, + 240, + 354, + 254 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 207, + 256, + 403, + 290 + ], + "lines": [ + { + "bbox": [ + 207, + 256, + 403, + 290 + ], + "spans": [ + { + "bbox": [ + 207, + 256, + 403, + 290 + ], + "score": 0.93, + "content": "d _ { \\mathcal { M } } ^ { 2 } ( \\sigma ( X ) ) = \\sum _ { c = 1 } ^ { C } \\left( \\| X _ { \\cdot c } ^ { + } \\| ^ { 2 } - \\sum _ { n = 1 } ^ { M } \\langle X _ { \\cdot c } ^ { + } , e _ { n } \\rangle ^ { 2 } \\right) ,", + "type": "interline_equation", + "image_path": "48fd613479f3c412aeb06722190f64eaf2d54146933de23b64847c8812fb608a.jpg" + } + ] + } + ], + "index": 12.5, + "virtual_lines": [ + { + "bbox": [ + 207, + 256, + 403, + 273.0 + ], + "spans": [], + "index": 12 + }, + { + "bbox": [ + 207, + 273.0, + 403, + 290.0 + ], + "spans": [], + "index": 13 + } + ] + }, + { + "type": "text", + "bbox": [ + 107, + 294, + 504, + 317 + ], + "lines": [ + { + "bbox": [ + 105, + 291, + 506, + 308 + ], + "spans": [ + { + "bbox": [ + 105, + 291, + 176, + 308 + ], + "score": 1.0, + "content": "where we denote", + "type": "text" + }, + { + "bbox": [ + 177, + 294, + 282, + 307 + ], + "score": 0.93, + "content": "\\sigma ( X ) = ( X _ { n c } ^ { + } ) _ { n \\in [ N ] , c \\in [ C ] }", + "type": "inline_equation" + }, + { + "bbox": [ + 283, + 291, + 506, + 308 + ], + "score": 1.0, + "content": "in shorthand. Therefore, the inequality follow from the", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 105, + 304, + 504, + 318 + ], + "spans": [ + { + "bbox": [ + 105, + 304, + 180, + 318 + ], + "score": 1.0, + "content": "following lemma.", + "type": "text" + }, + { + "bbox": [ + 497, + 308, + 504, + 314 + ], + "score": 0.688, + "content": "□", + "type": "text" + } + ], + "index": 15 + } + ], + "index": 14.5, + "bbox_fs": [ + 105, + 291, + 506, + 318 + ] + }, + { + "type": "text", + "bbox": [ + 105, + 321, + 505, + 360 + ], + "lines": [ + { + "bbox": [ + 101, + 321, + 506, + 360 + ], + "spans": [ + { + "bbox": [ + 101, + 327, + 128, + 360 + ], + "score": 1.0, + "content": "fying wher", + "type": "text" + }, + { + "bbox": [ + 105, + 321, + 168, + 336 + ], + "score": 1.0, + "content": "Lemma 4. Let", + "type": "text" + }, + { + "bbox": [ + 128, + 336, + 160, + 347 + ], + "score": 0.89, + "content": "v _ { m } \\geq 0", + "type": "inline_equation" + }, + { + "bbox": [ + 169, + 322, + 202, + 333 + ], + "score": 0.91, + "content": "\\boldsymbol { x } \\in \\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 188, + 336, + 226, + 348 + ], + "score": 0.9, + "content": "m \\in [ M ]", + "type": "inline_equation" + }, + { + "bbox": [ + 203, + 321, + 221, + 336 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 221, + 322, + 293, + 335 + ], + "score": 0.91, + "content": "v _ { 1 } , \\hdots , v _ { M } \\in \\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 245, + 327, + 290, + 360 + ], + "score": 1.0, + "content": "en, we have .", + "type": "text" + }, + { + "bbox": [ + 291, + 334, + 504, + 349 + ], + "score": 0.89, + "content": "\\begin{array} { r } { \\| \\ b x \\| ^ { 2 } - \\sum _ { m = 1 } ^ { M } \\langle \\ b x , \\ b v _ { m } \\rangle ^ { 2 } \\geq \\| \\ b x ^ { + } \\| ^ { 2 } - \\sum _ { m = 1 } ^ { M } \\langle \\ b x ^ { + } , \\ b v _ { m } \\rangle ^ { 2 } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 294, + 321, + 411, + 336 + ], + "score": 1.0, + "content": "be orthonormal vectors (i.e.,", + "type": "text" + }, + { + "bbox": [ + 411, + 323, + 479, + 335 + ], + "score": 0.9, + "content": "\\langle v _ { m } , v _ { n } \\rangle = \\delta _ { m n } )", + "type": "inline_equation" + }, + { + "bbox": [ + 479, + 321, + 506, + 336 + ], + "score": 1.0, + "content": "satis-", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 133, + 347, + 245, + 359 + ], + "spans": [ + { + "bbox": [ + 133, + 347, + 204, + 359 + ], + "score": 0.89, + "content": "x ^ { + } : = \\operatorname* { m a x } ( x , 0 )", + "type": "inline_equation" + }, + { + "bbox": [ + 219, + 348, + 245, + 358 + ], + "score": 0.9, + "content": "x \\in \\mathbb { R }", + "type": "inline_equation" + } + ], + "index": 17 + } + ], + "index": 16.5, + "bbox_fs": [ + 101, + 321, + 506, + 360 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 371, + 506, + 407 + ], + "lines": [ + { + "bbox": [ + 114, + 363, + 511, + 396 + ], + "spans": [ + { + "bbox": [ + 114, + 363, + 131, + 396 + ], + "score": 1.0, + "content": "roof.", + "type": "text" + }, + { + "bbox": [ + 146, + 363, + 178, + 396 + ], + "score": 1.0, + "content": "he value", + "type": "text" + }, + { + "bbox": [ + 178, + 371, + 272, + 386 + ], + "score": 0.93, + "content": "\\begin{array} { r } { \\| y \\| ^ { 2 } - \\sum _ { m = 1 } ^ { M } \\langle y , u _ { m } \\rangle ^ { 2 } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 272, + 363, + 453, + 396 + ], + "score": 1.0, + "content": "is invariant under simultaneous coordinate pe", + "type": "text" + }, + { + "bbox": [ + 460, + 363, + 511, + 396 + ], + "score": 1.0, + "content": "mutation of", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 106, + 385, + 460, + 396 + ], + "spans": [ + { + "bbox": [ + 106, + 387, + 113, + 396 + ], + "score": 0.79, + "content": "y", + "type": "inline_equation" + }, + { + "bbox": [ + 131, + 385, + 145, + 395 + ], + "score": 0.85, + "content": "u _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 453, + 387, + 460, + 394 + ], + "score": 0.76, + "content": "x", + "type": "inline_equation" + } + ], + "index": 19 + }, + { + "bbox": [ + 106, + 395, + 407, + 407 + ], + "spans": [ + { + "bbox": [ + 106, + 396, + 272, + 407 + ], + "score": 0.91, + "content": "x _ { 1 } \\leq \\ldots \\leq x _ { L } < 0 \\leq x _ { L + 1 } \\leq \\cdot \\cdot \\cdot \\leq x _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 272, + 395, + 311, + 407 + ], + "score": 1.0, + "content": "for some", + "type": "text" + }, + { + "bbox": [ + 312, + 396, + 342, + 406 + ], + "score": 0.91, + "content": "L \\leq N", + "type": "inline_equation" + }, + { + "bbox": [ + 342, + 395, + 407, + 407 + ], + "score": 1.0, + "content": ". Then, we have", + "type": "text" + } + ], + "index": 20 + } + ], + "index": 19, + "bbox_fs": [ + 106, + 363, + 511, + 407 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 253, + 410, + 358, + 444 + ], + "lines": [ + { + "bbox": [ + 253, + 410, + 358, + 444 + ], + "spans": [ + { + "bbox": [ + 253, + 410, + 358, + 444 + ], + "score": 0.94, + "content": "\\| x \\| ^ { 2 } - \\| x ^ { + } \\| ^ { 2 } = \\sum _ { n = 1 } ^ { L } x _ { n } ^ { 2 } .", + "type": "interline_equation", + "image_path": "68f7d8b8c5d76abce597c2e00354310b9c41ec8fdf5c4ec93f6ccaa43c8842c1.jpg" + } + ] + } + ], + "index": 21.5, + "virtual_lines": [ + { + "bbox": [ + 253, + 410, + 358, + 427.0 + ], + "spans": [], + "index": 21 + }, + { + "bbox": [ + 253, + 427.0, + 358, + 444.0 + ], + "spans": [], + "index": 22 + } + ] + }, + { + "type": "text", + "bbox": [ + 105, + 447, + 505, + 470 + ], + "lines": [ + { + "bbox": [ + 105, + 444, + 505, + 461 + ], + "spans": [ + { + "bbox": [ + 105, + 444, + 133, + 461 + ], + "score": 1.0, + "content": "When", + "type": "text" + }, + { + "bbox": [ + 133, + 448, + 162, + 457 + ], + "score": 0.89, + "content": "L = 0", + "type": "inline_equation" + }, + { + "bbox": [ + 163, + 444, + 478, + 461 + ], + "score": 1.0, + "content": ", the sum in the right hand side is treated as 0. On the other hand, writing as", + "type": "text" + }, + { + "bbox": [ + 479, + 448, + 505, + 459 + ], + "score": 0.83, + "content": "v _ { m } =", + "type": "inline_equation" + } + ], + "index": 23 + }, + { + "bbox": [ + 107, + 458, + 258, + 471 + ], + "spans": [ + { + "bbox": [ + 107, + 458, + 155, + 471 + ], + "score": 0.92, + "content": "( v _ { n m } ) _ { n \\in [ N ] }", + "type": "inline_equation" + }, + { + "bbox": [ + 155, + 458, + 258, + 470 + ], + "score": 1.0, + "content": ", direct calculation shows", + "type": "text" + } + ], + "index": 24 + } + ], + "index": 23.5, + "bbox_fs": [ + 105, + 444, + 505, + 471 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 133, + 473, + 477, + 514 + ], + "lines": [ + { + "bbox": [ + 133, + 473, + 477, + 514 + ], + "spans": [ + { + "bbox": [ + 133, + 473, + 477, + 514 + ], + "score": 0.94, + "content": "\\sum _ { m = 1 } ^ { M } \\langle x , v _ { m } \\rangle ^ { 2 } - \\langle x ^ { + } , v _ { m } \\rangle ^ { 2 } = \\sum _ { m = 1 } ^ { M } \\left( \\left( \\sum _ { n = 1 } ^ { L } x _ { n } v _ { n m } \\right) ^ { 2 } - 2 \\sum _ { n = 1 } ^ { L } \\sum _ { l = L + 1 } ^ { N } x _ { n } x _ { l } v _ { n m } v _ { l m } \\right) .", + "type": "interline_equation", + "image_path": "ea22ca227c9ec044c61e3eba97e9317ef90575c82fd8b35c76fa72f45373c309.jpg" + } + ] + } + ], + "index": 26, + "virtual_lines": [ + { + "bbox": [ + 133, + 473, + 477, + 486.6666666666667 + ], + "spans": [], + "index": 25 + }, + { + "bbox": [ + 133, + 486.6666666666667, + 477, + 500.33333333333337 + ], + "spans": [], + "index": 26 + }, + { + "bbox": [ + 133, + 500.33333333333337, + 477, + 514.0 + ], + "spans": [], + "index": 27 + } + ] + }, + { + "type": "text", + "bbox": [ + 104, + 516, + 505, + 540 + ], + "lines": [ + { + "bbox": [ + 104, + 514, + 506, + 531 + ], + "spans": [ + { + "bbox": [ + 104, + 514, + 122, + 531 + ], + "score": 1.0, + "content": "Let", + "type": "text" + }, + { + "bbox": [ + 122, + 516, + 237, + 529 + ], + "score": 0.9, + "content": "I _ { m } : = \\{ n \\in [ N ] \\mid v _ { n m } > 0 \\}", + "type": "inline_equation" + }, + { + "bbox": [ + 238, + 514, + 307, + 531 + ], + "score": 1.0, + "content": "be the support of", + "type": "text" + }, + { + "bbox": [ + 308, + 519, + 321, + 528 + ], + "score": 0.86, + "content": "v _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 321, + 514, + 335, + 531 + ], + "score": 1.0, + "content": "for", + "type": "text" + }, + { + "bbox": [ + 336, + 517, + 374, + 529 + ], + "score": 0.92, + "content": "m \\in [ M ]", + "type": "inline_equation" + }, + { + "bbox": [ + 374, + 514, + 438, + 531 + ], + "score": 1.0, + "content": ". We note that if", + "type": "text" + }, + { + "bbox": [ + 438, + 516, + 501, + 529 + ], + "score": 0.91, + "content": "m \\neq m ^ { \\prime } \\in [ M ]", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 514, + 506, + 531 + ], + "score": 1.0, + "content": ",", + "type": "text" + } + ], + "index": 28 + }, + { + "bbox": [ + 105, + 527, + 381, + 540 + ], + "spans": [ + { + "bbox": [ + 105, + 527, + 141, + 540 + ], + "score": 1.0, + "content": "we have", + "type": "text" + }, + { + "bbox": [ + 142, + 529, + 199, + 539 + ], + "score": 0.91, + "content": "{ \\cal I } _ { m } \\cap { \\cal I } _ { m ^ { \\prime } } = \\emptyset", + "type": "inline_equation" + }, + { + "bbox": [ + 199, + 527, + 284, + 540 + ], + "score": 1.0, + "content": "since if there existed", + "type": "text" + }, + { + "bbox": [ + 285, + 529, + 341, + 539 + ], + "score": 0.91, + "content": "n \\in I _ { m } \\cap I _ { m ^ { \\prime } }", + "type": "inline_equation" + }, + { + "bbox": [ + 341, + 527, + 381, + 540 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + } + ], + "index": 29 + } + ], + "index": 28.5, + "bbox_fs": [ + 104, + 514, + 506, + 540 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 239, + 543, + 370, + 557 + ], + "lines": [ + { + "bbox": [ + 239, + 543, + 370, + 557 + ], + "spans": [ + { + "bbox": [ + 239, + 543, + 370, + 557 + ], + "score": 0.89, + "content": "0 = \\left. v _ { m } , v _ { m ^ { \\prime } } \\right. \\geq v _ { n m } v _ { n m ^ { \\prime } } > 0 ,", + "type": "interline_equation", + "image_path": "cec6e1c89fcd9f94147f760c9fab60b687a9fb58a22ddf08e549e333eb77ee26.jpg" + } + ] + } + ], + "index": 30, + "virtual_lines": [ + { + "bbox": [ + 239, + 543, + 370, + 557 + ], + "spans": [], + "index": 30 + } + ] + }, + { + "type": "text", + "bbox": [ + 107, + 560, + 244, + 571 + ], + "lines": [ + { + "bbox": [ + 106, + 558, + 245, + 573 + ], + "spans": [ + { + "bbox": [ + 106, + 558, + 245, + 573 + ], + "score": 1.0, + "content": "which is contradictory. Therefore,", + "type": "text" + } + ], + "index": 31 + } + ], + "index": 31, + "bbox_fs": [ + 106, + 558, + 245, + 573 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 105, + 574, + 505, + 732 + ], + "lines": [ + { + "bbox": [ + 105, + 574, + 500, + 732 + ], + "spans": [ + { + "bbox": [ + 105, + 574, + 500, + 732 + ], + "score": 0.86, + "content": "\\begin{array} { r l r } { \\displaystyle \\sum _ { m = 1 } ^ { N } \\left( \\displaystyle \\sum _ { n = 1 } ^ { L } x _ { n } v _ { n m } \\right) ^ { 2 } = \\displaystyle \\sum _ { m = 1 } ^ { N } \\left( \\displaystyle \\sum _ { n \\in L _ { I ^ { n } } \\cap [ L ] } x _ { n } v _ { n m } \\right) ^ { 2 } } & { } & \\\\ { \\displaystyle } & { \\leq \\displaystyle \\sum _ { m = 1 } ^ { N } \\left( \\displaystyle \\sum _ { n \\in L _ { I ^ { n } } \\cap [ L ] } x _ { n } ^ { 2 } \\right) \\left( \\displaystyle \\sum _ { n \\in L _ { I ^ { n } } \\cap [ L ] } x _ { n m } ^ { 2 } \\right) } & { \\displaystyle ( \\cdot \\cdot \\mathrm { C a u c h y - S c h w a r z ~ i n e q u a l i t y } ) } \\\\ { \\displaystyle } & { \\displaystyle \\leq \\displaystyle \\sum _ { m = 1 } ^ { N } \\left( \\displaystyle \\sum _ { n \\in L _ { I ^ { n } } \\cap [ L ] } x _ { n } ^ { 2 } \\right) } & { \\displaystyle ( \\cdot \\cdot | v _ { m } | ^ { 2 } = 1 ) } \\\\ { \\displaystyle } & { \\displaystyle \\leq \\displaystyle \\sum _ { n = 1 } ^ { L } x _ { n } ^ { 2 } . } \\end{array}", + "type": "interline_equation", + "image_path": "e363c202ba9b7ecee3de95f31889b854f5df5a540a429e3c029657ede6d04d16.jpg" + } + ] + } + ], + "index": 33, + "virtual_lines": [ + { + "bbox": [ + 105, + 574, + 505, + 626.6666666666666 + ], + "spans": [], + "index": 32 + }, + { + "bbox": [ + 105, + 626.6666666666666, + 505, + 679.3333333333333 + ], + "spans": [], + "index": 33 + }, + { + "bbox": [ + 105, + 679.3333333333333, + 505, + 731.9999999999999 + ], + "spans": [], + "index": 34 + } + ] + } + ] + }, + { + "preproc_blocks": [ + { + "type": "text", + "bbox": [ + 107, + 82, + 505, + 117 + ], + "lines": [ + { + "bbox": [ + 105, + 81, + 505, + 96 + ], + "spans": [ + { + "bbox": [ + 105, + 81, + 198, + 96 + ], + "score": 1.0, + "content": "We used the fact that", + "type": "text" + }, + { + "bbox": [ + 198, + 83, + 211, + 93 + ], + "score": 0.87, + "content": "I _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 212, + 81, + 288, + 96 + ], + "score": 1.0, + "content": "’s are disjoint and", + "type": "text" + }, + { + "bbox": [ + 288, + 83, + 330, + 93 + ], + "score": 0.9, + "content": "v _ { n m } = 0", + "type": "inline_equation" + }, + { + "bbox": [ + 330, + 81, + 341, + 96 + ], + "score": 1.0, + "content": "if", + "type": "text" + }, + { + "bbox": [ + 342, + 83, + 392, + 94 + ], + "score": 0.9, + "content": "n \\not \\in \\cup _ { m } I _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 392, + 81, + 505, + 96 + ], + "score": 1.0, + "content": "in the first equality above.", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 105, + 92, + 506, + 108 + ], + "spans": [ + { + "bbox": [ + 105, + 92, + 176, + 108 + ], + "score": 1.0, + "content": "Further, we have", + "type": "text" + }, + { + "bbox": [ + 177, + 94, + 249, + 105 + ], + "score": 0.91, + "content": "x _ { n } x _ { l } v _ { n m } v _ { l m } \\leq 0", + "type": "inline_equation" + }, + { + "bbox": [ + 249, + 92, + 264, + 108 + ], + "score": 1.0, + "content": "for", + "type": "text" + }, + { + "bbox": [ + 265, + 94, + 312, + 105 + ], + "score": 0.92, + "content": "1 \\le n \\le L", + "type": "inline_equation" + }, + { + "bbox": [ + 313, + 92, + 331, + 108 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 331, + 94, + 397, + 105 + ], + "score": 0.9, + "content": "L + 1 \\le l \\le N", + "type": "inline_equation" + }, + { + "bbox": [ + 398, + 92, + 478, + 108 + ], + "score": 1.0, + "content": "by the definition of", + "type": "text" + }, + { + "bbox": [ + 479, + 94, + 487, + 104 + ], + "score": 0.81, + "content": "L", + "type": "inline_equation" + }, + { + "bbox": [ + 487, + 92, + 506, + 108 + ], + "score": 1.0, + "content": "and", + "type": "text" + } + ], + "index": 1 + }, + { + "bbox": [ + 106, + 104, + 357, + 117 + ], + "spans": [ + { + "bbox": [ + 106, + 104, + 177, + 117 + ], + "score": 1.0, + "content": "non-negativity of", + "type": "text" + }, + { + "bbox": [ + 178, + 106, + 191, + 115 + ], + "score": 0.87, + "content": "v _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 191, + 104, + 357, + 117 + ], + "score": 1.0, + "content": ". By combining (1), (2), and (3), we have", + "type": "text" + } + ], + "index": 2 + } + ], + "index": 1 + }, + { + "type": "interline_equation", + "bbox": [ + 192, + 122, + 417, + 157 + ], + "lines": [ + { + "bbox": [ + 192, + 122, + 417, + 157 + ], + "spans": [ + { + "bbox": [ + 192, + 122, + 417, + 157 + ], + "score": 0.94, + "content": "\\sum _ { m = 1 } ^ { M } \\langle x , v _ { m } \\rangle ^ { 2 } - \\langle x ^ { + } , v _ { m } \\rangle ^ { 2 } \\leq \\sum _ { n = 1 } ^ { L } x _ { n } ^ { 2 } = \\| x \\| ^ { 2 } - \\| x ^ { + } \\| ^ { 2 } .", + "type": "interline_equation", + "image_path": "c39fabdc21d6ccc420a7956b6414e1b3de75315041ade8eba193e361d9db97c0.jpg" + } + ] + } + ], + "index": 3.5, + "virtual_lines": [ + { + "bbox": [ + 192, + 122, + 417, + 139.5 + ], + "spans": [], + "index": 3 + }, + { + "bbox": [ + 192, + 139.5, + 417, + 157.0 + ], + "spans": [], + "index": 4 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 193, + 321, + 206 + ], + "lines": [ + { + "bbox": [ + 106, + 194, + 320, + 207 + ], + "spans": [ + { + "bbox": [ + 106, + 194, + 179, + 207 + ], + "score": 1.0, + "content": "Proof of Theorem", + "type": "text" + }, + { + "bbox": [ + 180, + 195, + 185, + 204 + ], + "score": 0.37, + "content": "^ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 185, + 194, + 320, + 207 + ], + "score": 1.0, + "content": ". By Lemma 1, 2, and 3, we have", + "type": "text" + } + ], + "index": 5 + } + ], + "index": 5 + }, + { + "type": "interline_equation", + "bbox": [ + 168, + 213, + 439, + 380 + ], + "lines": [ + { + "bbox": [ + 168, + 213, + 439, + 380 + ], + "spans": [ + { + "bbox": [ + 168, + 213, + 439, + 380 + ], + "score": 0.93, + "content": "\\begin{array} { r l } { d _ { M } ( f _ { l } ( X ) ) = d _ { M } ( \\underbrace { \\sigma \\langle \\cdot \\cdot \\sigma ( \\sigma ( P X ) W _ { l } ) W _ { l ^ { 2 } } \\cdot \\cdot \\cdot \\cdot W _ { l H _ { 1 } } \\rangle } _ { H \\mathrm { ~ i n e s } } ) } & { } \\\\ & { \\leq d _ { M } ( \\underbrace { \\sigma \\langle \\cdot \\cdot \\sigma ( \\sigma ( P X ) W _ { l } ) W _ { l ^ { 2 } } \\cdot \\cdot \\cdot \\cdot \\cdot \\cdot } _ { H \\mathrm { ~ i n e s } } ) } \\\\ & { \\leq s _ { i H _ { 1 } - 1 } d _ { M } ( \\underbrace { \\sigma \\langle \\cdot \\cdot \\sigma ( \\sigma ( P X ) W _ { l } ) W _ { l ^ { 2 } } \\cdot \\cdot \\cdot \\cdot \\cdot } _ { H - 1 \\mathrm { ~ i n e s } } ) } \\\\ & { \\cdots } \\\\ & { \\leq \\displaystyle \\left( \\prod _ { i = 1 } ^ { H _ { l } } s _ { i h } \\right) d _ { M } ( P X ) } \\\\ & { \\leq s _ { i d _ { M } ( P X ) } } \\\\ & { \\leq s _ { i H _ { 1 } } d _ { M } ( X ) . } \\end{array}", + "type": "interline_equation", + "image_path": "15704c0189b83b8ac25bed3cd3d139dd55c80d16850523239a96a4637790c552.jpg" + } + ] + } + ], + "index": 7, + "virtual_lines": [ + { + "bbox": [ + 168, + 213, + 439, + 268.6666666666667 + ], + "spans": [], + "index": 6 + }, + { + "bbox": [ + 168, + 268.6666666666667, + 439, + 324.33333333333337 + ], + "spans": [], + "index": 7 + }, + { + "bbox": [ + 168, + 324.33333333333337, + 439, + 380.00000000000006 + ], + "spans": [], + "index": 8 + } + ] + }, + { + "type": "title", + "bbox": [ + 108, + 415, + 260, + 428 + ], + "lines": [ + { + "bbox": [ + 105, + 415, + 262, + 430 + ], + "spans": [ + { + "bbox": [ + 105, + 415, + 262, + 430 + ], + "score": 1.0, + "content": "B PROOF OF PROPOSITION 1", + "type": "text" + } + ], + "index": 9 + } + ], + "index": 9 + }, + { + "type": "text", + "bbox": [ + 106, + 441, + 506, + 513 + ], + "lines": [ + { + "bbox": [ + 105, + 440, + 506, + 454 + ], + "spans": [ + { + "bbox": [ + 105, + 441, + 153, + 454 + ], + "score": 1.0, + "content": "Proof. Let", + "type": "text" + }, + { + "bbox": [ + 153, + 442, + 222, + 453 + ], + "score": 0.92, + "content": "{ \\tilde { \\mu } } _ { 1 } \\leq \\dots \\leq { \\tilde { \\mu } } _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 223, + 441, + 464, + 454 + ], + "score": 1.0, + "content": "be the eigenvalue of the augmented normalized Laplacian", + "type": "text" + }, + { + "bbox": [ + 464, + 440, + 473, + 452 + ], + "score": 0.84, + "content": "\\tilde { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 474, + 441, + 506, + 454 + ], + "score": 1.0, + "content": ", sorted", + "type": "text" + } + ], + "index": 10 + }, + { + "bbox": [ + 105, + 453, + 505, + 468 + ], + "spans": [ + { + "bbox": [ + 105, + 454, + 213, + 468 + ], + "score": 1.0, + "content": "in ascending order. Since", + "type": "text" + }, + { + "bbox": [ + 213, + 453, + 271, + 466 + ], + "score": 0.93, + "content": "P = I _ { N } - \\tilde { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 271, + 454, + 361, + 468 + ], + "score": 1.0, + "content": ", it is enough to show", + "type": "text" + }, + { + "bbox": [ + 361, + 455, + 450, + 466 + ], + "score": 0.89, + "content": "\\tilde { \\mu } _ { 1 } = \\cdot \\cdot \\cdot = \\tilde { \\mu } _ { M } = 0", + "type": "inline_equation" + }, + { + "bbox": [ + 451, + 454, + 455, + 468 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 455, + 455, + 501, + 466 + ], + "score": 0.81, + "content": "{ \\tilde { \\mu } } _ { M + 1 } > 0", + "type": "inline_equation" + }, + { + "bbox": [ + 502, + 454, + 505, + 468 + ], + "score": 1.0, + "content": ",", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 105, + 466, + 506, + 479 + ], + "spans": [ + { + "bbox": [ + 105, + 466, + 123, + 479 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 124, + 467, + 158, + 478 + ], + "score": 0.91, + "content": "\\tilde { \\mu } _ { N } < 2", + "type": "inline_equation" + }, + { + "bbox": [ + 158, + 466, + 379, + 479 + ], + "score": 1.0, + "content": ". For the first two, the statements are equivalent to that", + "type": "text" + }, + { + "bbox": [ + 379, + 466, + 389, + 477 + ], + "score": 0.82, + "content": "\\tilde { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 389, + 466, + 506, + 479 + ], + "score": 1.0, + "content": "is positive semi-definite and", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 105, + 477, + 505, + 490 + ], + "spans": [ + { + "bbox": [ + 105, + 477, + 505, + 490 + ], + "score": 1.0, + "content": "that the multiplicity of the eigenvalue 0 is same as the number of connected components 6. This", + "type": "text" + } + ], + "index": 13 + }, + { + "bbox": [ + 105, + 488, + 506, + 502 + ], + "spans": [ + { + "bbox": [ + 105, + 488, + 506, + 502 + ], + "score": 1.0, + "content": "is well-known for Laplacian or its normalized version (see, e.g., Chung & Graham (1997)) and the", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 105, + 499, + 321, + 514 + ], + "spans": [ + { + "bbox": [ + 105, + 500, + 145, + 514 + ], + "score": 1.0, + "content": "proof for", + "type": "text" + }, + { + "bbox": [ + 145, + 499, + 154, + 511 + ], + "score": 0.87, + "content": "\\tilde { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 155, + 500, + 321, + 514 + ], + "score": 1.0, + "content": "is similar. By direct calculation, we have", + "type": "text" + } + ], + "index": 15 + } + ], + "index": 12.5 + }, + { + "type": "interline_equation", + "bbox": [ + 208, + 520, + 401, + 556 + ], + "lines": [ + { + "bbox": [ + 208, + 520, + 401, + 556 + ], + "spans": [ + { + "bbox": [ + 208, + 520, + 401, + 556 + ], + "score": 0.93, + "content": "x ^ { \\top } \\tilde { \\Delta } x = \\frac { 1 } { 2 } \\sum _ { i , j = 1 } ^ { N } a _ { i j } \\left( \\frac { x _ { i } } { \\sqrt { d _ { i } + 1 } } - \\frac { x _ { j } } { \\sqrt { d _ { j } + 1 } } \\right) ^ { 2 }", + "type": "interline_equation", + "image_path": "912b3f39f00da229f42e6b22f48e40279df357eb9f4ff841a0f14ea1354fcf33.jpg" + } + ] + } + ], + "index": 16.5, + "virtual_lines": [ + { + "bbox": [ + 208, + 520, + 401, + 538.0 + ], + "spans": [], + "index": 16 + }, + { + "bbox": [ + 208, + 538.0, + 401, + 556.0 + ], + "spans": [], + "index": 17 + } + ] + }, + { + "type": "text", + "bbox": [ + 105, + 564, + 485, + 579 + ], + "lines": [ + { + "bbox": [ + 103, + 562, + 483, + 582 + ], + "spans": [ + { + "bbox": [ + 103, + 562, + 137, + 582 + ], + "score": 1.0, + "content": "for any", + "type": "text" + }, + { + "bbox": [ + 137, + 564, + 253, + 579 + ], + "score": 0.85, + "content": "x = \\lbrack x _ { 1 } \\quad \\cdot \\cdot \\cdot \\quad x _ { N } \\rbrack ^ { \\top } \\in \\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 254, + 562, + 302, + 582 + ], + "score": 1.0, + "content": ". Therefore,", + "type": "text" + }, + { + "bbox": [ + 302, + 565, + 312, + 577 + ], + "score": 0.86, + "content": "\\tilde { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 312, + 562, + 452, + 582 + ], + "score": 1.0, + "content": "is positive semi-definite and hence", + "type": "text" + }, + { + "bbox": [ + 453, + 567, + 483, + 578 + ], + "score": 0.91, + "content": "\\tilde { \\mu } _ { 1 } \\geq 0", + "type": "inline_equation" + } + ], + "index": 18 + } + ], + "index": 18 + }, + { + "type": "text", + "bbox": [ + 106, + 583, + 506, + 700 + ], + "lines": [ + { + "bbox": [ + 105, + 583, + 506, + 598 + ], + "spans": [ + { + "bbox": [ + 105, + 583, + 209, + 598 + ], + "score": 1.0, + "content": "Suppose temporally that", + "type": "text" + }, + { + "bbox": [ + 209, + 586, + 218, + 595 + ], + "score": 0.83, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 218, + 583, + 289, + 598 + ], + "score": 1.0, + "content": "is connected. If", + "type": "text" + }, + { + "bbox": [ + 290, + 584, + 327, + 595 + ], + "score": 0.91, + "content": "\\boldsymbol { x } \\in \\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 327, + 583, + 506, + 598 + ], + "score": 1.0, + "content": "is an eigenvector associated to 0, then, by", + "type": "text" + } + ], + "index": 19 + }, + { + "bbox": [ + 106, + 595, + 505, + 614 + ], + "spans": [ + { + "bbox": [ + 106, + 595, + 232, + 614 + ], + "score": 1.0, + "content": "the aformentioned calculation,", + "type": "text" + }, + { + "bbox": [ + 232, + 596, + 259, + 612 + ], + "score": 0.91, + "content": "\\textstyle { \\frac { x _ { i } } { \\sqrt { d _ { i } + 1 } } }", + "type": "inline_equation" + }, + { + "bbox": [ + 259, + 595, + 279, + 614 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 279, + 596, + 308, + 614 + ], + "score": 0.93, + "content": "\\textstyle { \\frac { x _ { j } } { \\sqrt { d _ { j } + 1 } } }", + "type": "inline_equation" + }, + { + "bbox": [ + 309, + 595, + 417, + 610 + ], + "score": 1.0, + "content": "must be same for all pairs", + "type": "text" + }, + { + "bbox": [ + 417, + 596, + 438, + 608 + ], + "score": 0.92, + "content": "( i , j )", + "type": "inline_equation" + }, + { + "bbox": [ + 439, + 595, + 479, + 610 + ], + "score": 1.0, + "content": "such that", + "type": "text" + }, + { + "bbox": [ + 479, + 597, + 505, + 609 + ], + "score": 0.89, + "content": "a _ { i j } >", + "type": "inline_equation" + } + ], + "index": 20 + }, + { + "bbox": [ + 105, + 612, + 505, + 629 + ], + "spans": [ + { + "bbox": [ + 105, + 612, + 186, + 629 + ], + "score": 1.0, + "content": "0. However, since", + "type": "text" + }, + { + "bbox": [ + 186, + 613, + 195, + 623 + ], + "score": 0.8, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 195, + 612, + 254, + 629 + ], + "score": 1.0, + "content": "is connected,", + "type": "text" + }, + { + "bbox": [ + 254, + 614, + 281, + 628 + ], + "score": 0.91, + "content": "\\textstyle { \\frac { x _ { i } } { \\sqrt { d _ { i } + 1 } } }", + "type": "inline_equation" + }, + { + "bbox": [ + 282, + 612, + 397, + 629 + ], + "score": 1.0, + "content": "must be same value for all", + "type": "text" + }, + { + "bbox": [ + 397, + 613, + 432, + 625 + ], + "score": 0.93, + "content": "i \\in [ N ]", + "type": "inline_equation" + }, + { + "bbox": [ + 432, + 612, + 505, + 629 + ], + "score": 1.0, + "content": ". That means the", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 105, + 625, + 506, + 639 + ], + "spans": [ + { + "bbox": [ + 105, + 625, + 506, + 639 + ], + "score": 1.0, + "content": "multiplicity of the eigenvalue 0 is 1 and any eigenvector associated to 0 must be proportional to", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 106, + 636, + 506, + 652 + ], + "spans": [ + { + "bbox": [ + 106, + 637, + 128, + 649 + ], + "score": 0.87, + "content": "{ \\tilde { D } } ^ { \\frac { 1 } { 2 } } \\mathbf { 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 128, + 636, + 197, + 652 + ], + "score": 1.0, + "content": ". Now, suppose", + "type": "text" + }, + { + "bbox": [ + 197, + 639, + 207, + 649 + ], + "score": 0.81, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 207, + 636, + 226, + 652 + ], + "score": 1.0, + "content": "has", + "type": "text" + }, + { + "bbox": [ + 226, + 639, + 238, + 649 + ], + "score": 0.82, + "content": "M", + "type": "inline_equation" + }, + { + "bbox": [ + 239, + 636, + 336, + 652 + ], + "score": 1.0, + "content": "connected components", + "type": "text" + }, + { + "bbox": [ + 336, + 638, + 385, + 650 + ], + "score": 0.92, + "content": "V _ { 1 } , \\dots , V _ { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 385, + 636, + 410, + 652 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 410, + 637, + 427, + 650 + ], + "score": 0.91, + "content": "\\tilde { \\Delta } _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 427, + 636, + 506, + 652 + ], + "score": 1.0, + "content": "be the augmented", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 105, + 649, + 506, + 663 + ], + "spans": [ + { + "bbox": [ + 105, + 649, + 389, + 663 + ], + "score": 1.0, + "content": "normalized Laplacians corresponding to each connected component", + "type": "text" + }, + { + "bbox": [ + 389, + 650, + 404, + 661 + ], + "score": 0.89, + "content": "V _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 405, + 649, + 422, + 663 + ], + "score": 1.0, + "content": "for", + "type": "text" + }, + { + "bbox": [ + 423, + 650, + 466, + 662 + ], + "score": 0.91, + "content": "m \\in \\ [ M ]", + "type": "inline_equation" + }, + { + "bbox": [ + 466, + 649, + 506, + 663 + ], + "score": 1.0, + "content": ". By the", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 105, + 661, + 506, + 675 + ], + "spans": [ + { + "bbox": [ + 105, + 662, + 214, + 675 + ], + "score": 1.0, + "content": "aformentioned discussion,", + "type": "text" + }, + { + "bbox": [ + 214, + 661, + 231, + 673 + ], + "score": 0.91, + "content": "\\tilde { \\Delta } _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 232, + 662, + 424, + 675 + ], + "score": 1.0, + "content": "has the eigenvalue 0 with multiplicity 1. Since", + "type": "text" + }, + { + "bbox": [ + 425, + 661, + 434, + 672 + ], + "score": 0.84, + "content": "\\tilde { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 435, + 662, + 506, + 675 + ], + "score": 1.0, + "content": "is the direct sum", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 106, + 673, + 505, + 687 + ], + "spans": [ + { + "bbox": [ + 106, + 673, + 117, + 687 + ], + "score": 1.0, + "content": "of", + "type": "text" + }, + { + "bbox": [ + 118, + 673, + 139, + 687 + ], + "score": 0.92, + "content": "\\tilde { \\Delta } _ { m } ^ { \\prime } s", + "type": "inline_equation" + }, + { + "bbox": [ + 139, + 673, + 213, + 687 + ], + "score": 1.0, + "content": ", the eigenvalue of", + "type": "text" + }, + { + "bbox": [ + 213, + 674, + 222, + 685 + ], + "score": 0.86, + "content": "\\tilde { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 222, + 673, + 320, + 687 + ], + "score": 1.0, + "content": "is the union of those for", + "type": "text" + }, + { + "bbox": [ + 320, + 673, + 336, + 686 + ], + "score": 0.91, + "content": "\\tilde { \\Delta } _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 337, + 673, + 392, + 687 + ], + "score": 1.0, + "content": "’s. Therefore,", + "type": "text" + }, + { + "bbox": [ + 392, + 673, + 401, + 685 + ], + "score": 0.85, + "content": "\\tilde { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 402, + 673, + 505, + 687 + ], + "score": 1.0, + "content": "has the eigenvalue 0 with", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 105, + 686, + 420, + 700 + ], + "spans": [ + { + "bbox": [ + 105, + 686, + 155, + 700 + ], + "score": 1.0, + "content": "multiplicity", + "type": "text" + }, + { + "bbox": [ + 156, + 688, + 168, + 698 + ], + "score": 0.79, + "content": "M", + "type": "inline_equation" + }, + { + "bbox": [ + 168, + 686, + 186, + 700 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 186, + 686, + 240, + 699 + ], + "score": 0.93, + "content": "e _ { m } = \\tilde { D } ^ { \\frac { 1 } { 2 } } \\mathbf { 1 } _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 240, + 686, + 420, + 700 + ], + "score": 1.0, + "content": "’s are the orthogonal basis of the eigenspace.", + "type": "text" + } + ], + "index": 27 + } + ], + "index": 23 + } + ], + "page_idx": 15, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 106, + 711, + 506, + 732 + ], + "lines": [ + { + "bbox": [ + 117, + 708, + 506, + 725 + ], + "spans": [ + { + "bbox": [ + 117, + 708, + 506, + 725 + ], + "score": 1.0, + "content": "6The former statement is identical to Lemma 1 and latter one is the extension of Lemma 2 of Wu et al.", + "type": "text" + } + ] + }, + { + "bbox": [ + 105, + 719, + 141, + 734 + ], + "spans": [ + { + "bbox": [ + 105, + 719, + 141, + 734 + ], + "score": 1.0, + "content": "(2019a).", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 107, + 26, + 294, + 38 + ], + "lines": [ + { + "bbox": [ + 106, + 25, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 25, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 300, + 751, + 311, + 760 + ], + "lines": [ + { + "bbox": [ + 299, + 750, + 313, + 764 + ], + "spans": [ + { + "bbox": [ + 299, + 750, + 313, + 764 + ], + "score": 1.0, + "content": "16", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 494, + 386, + 505, + 397 + ], + "lines": [ + { + "bbox": [ + 496, + 388, + 505, + 398 + ], + "spans": [ + { + "bbox": [ + 496, + 388, + 505, + 398 + ], + "score": 1.0, + "content": "□", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 494, + 164, + 505, + 175 + ], + "lines": [ + { + "bbox": [ + 496, + 166, + 504, + 174 + ], + "spans": [ + { + "bbox": [ + 496, + 166, + 504, + 174 + ], + "score": 0.997, + "content": "□", + "type": "text" + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "text", + "bbox": [ + 107, + 82, + 505, + 117 + ], + "lines": [ + { + "bbox": [ + 105, + 81, + 505, + 96 + ], + "spans": [ + { + "bbox": [ + 105, + 81, + 198, + 96 + ], + "score": 1.0, + "content": "We used the fact that", + "type": "text" + }, + { + "bbox": [ + 198, + 83, + 211, + 93 + ], + "score": 0.87, + "content": "I _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 212, + 81, + 288, + 96 + ], + "score": 1.0, + "content": "’s are disjoint and", + "type": "text" + }, + { + "bbox": [ + 288, + 83, + 330, + 93 + ], + "score": 0.9, + "content": "v _ { n m } = 0", + "type": "inline_equation" + }, + { + "bbox": [ + 330, + 81, + 341, + 96 + ], + "score": 1.0, + "content": "if", + "type": "text" + }, + { + "bbox": [ + 342, + 83, + 392, + 94 + ], + "score": 0.9, + "content": "n \\not \\in \\cup _ { m } I _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 392, + 81, + 505, + 96 + ], + "score": 1.0, + "content": "in the first equality above.", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 105, + 92, + 506, + 108 + ], + "spans": [ + { + "bbox": [ + 105, + 92, + 176, + 108 + ], + "score": 1.0, + "content": "Further, we have", + "type": "text" + }, + { + "bbox": [ + 177, + 94, + 249, + 105 + ], + "score": 0.91, + "content": "x _ { n } x _ { l } v _ { n m } v _ { l m } \\leq 0", + "type": "inline_equation" + }, + { + "bbox": [ + 249, + 92, + 264, + 108 + ], + "score": 1.0, + "content": "for", + "type": "text" + }, + { + "bbox": [ + 265, + 94, + 312, + 105 + ], + "score": 0.92, + "content": "1 \\le n \\le L", + "type": "inline_equation" + }, + { + "bbox": [ + 313, + 92, + 331, + 108 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 331, + 94, + 397, + 105 + ], + "score": 0.9, + "content": "L + 1 \\le l \\le N", + "type": "inline_equation" + }, + { + "bbox": [ + 398, + 92, + 478, + 108 + ], + "score": 1.0, + "content": "by the definition of", + "type": "text" + }, + { + "bbox": [ + 479, + 94, + 487, + 104 + ], + "score": 0.81, + "content": "L", + "type": "inline_equation" + }, + { + "bbox": [ + 487, + 92, + 506, + 108 + ], + "score": 1.0, + "content": "and", + "type": "text" + } + ], + "index": 1 + }, + { + "bbox": [ + 106, + 104, + 357, + 117 + ], + "spans": [ + { + "bbox": [ + 106, + 104, + 177, + 117 + ], + "score": 1.0, + "content": "non-negativity of", + "type": "text" + }, + { + "bbox": [ + 178, + 106, + 191, + 115 + ], + "score": 0.87, + "content": "v _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 191, + 104, + 357, + 117 + ], + "score": 1.0, + "content": ". By combining (1), (2), and (3), we have", + "type": "text" + } + ], + "index": 2 + } + ], + "index": 1, + "bbox_fs": [ + 105, + 81, + 506, + 117 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 192, + 122, + 417, + 157 + ], + "lines": [ + { + "bbox": [ + 192, + 122, + 417, + 157 + ], + "spans": [ + { + "bbox": [ + 192, + 122, + 417, + 157 + ], + "score": 0.94, + "content": "\\sum _ { m = 1 } ^ { M } \\langle x , v _ { m } \\rangle ^ { 2 } - \\langle x ^ { + } , v _ { m } \\rangle ^ { 2 } \\leq \\sum _ { n = 1 } ^ { L } x _ { n } ^ { 2 } = \\| x \\| ^ { 2 } - \\| x ^ { + } \\| ^ { 2 } .", + "type": "interline_equation", + "image_path": "c39fabdc21d6ccc420a7956b6414e1b3de75315041ade8eba193e361d9db97c0.jpg" + } + ] + } + ], + "index": 3.5, + "virtual_lines": [ + { + "bbox": [ + 192, + 122, + 417, + 139.5 + ], + "spans": [], + "index": 3 + }, + { + "bbox": [ + 192, + 139.5, + 417, + 157.0 + ], + "spans": [], + "index": 4 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 193, + 321, + 206 + ], + "lines": [ + { + "bbox": [ + 106, + 194, + 320, + 207 + ], + "spans": [ + { + "bbox": [ + 106, + 194, + 179, + 207 + ], + "score": 1.0, + "content": "Proof of Theorem", + "type": "text" + }, + { + "bbox": [ + 180, + 195, + 185, + 204 + ], + "score": 0.37, + "content": "^ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 185, + 194, + 320, + 207 + ], + "score": 1.0, + "content": ". By Lemma 1, 2, and 3, we have", + "type": "text" + } + ], + "index": 5 + } + ], + "index": 5, + "bbox_fs": [ + 106, + 194, + 320, + 207 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 168, + 213, + 439, + 380 + ], + "lines": [ + { + "bbox": [ + 168, + 213, + 439, + 380 + ], + "spans": [ + { + "bbox": [ + 168, + 213, + 439, + 380 + ], + "score": 0.93, + "content": "\\begin{array} { r l } { d _ { M } ( f _ { l } ( X ) ) = d _ { M } ( \\underbrace { \\sigma \\langle \\cdot \\cdot \\sigma ( \\sigma ( P X ) W _ { l } ) W _ { l ^ { 2 } } \\cdot \\cdot \\cdot \\cdot W _ { l H _ { 1 } } \\rangle } _ { H \\mathrm { ~ i n e s } } ) } & { } \\\\ & { \\leq d _ { M } ( \\underbrace { \\sigma \\langle \\cdot \\cdot \\sigma ( \\sigma ( P X ) W _ { l } ) W _ { l ^ { 2 } } \\cdot \\cdot \\cdot \\cdot \\cdot \\cdot } _ { H \\mathrm { ~ i n e s } } ) } \\\\ & { \\leq s _ { i H _ { 1 } - 1 } d _ { M } ( \\underbrace { \\sigma \\langle \\cdot \\cdot \\sigma ( \\sigma ( P X ) W _ { l } ) W _ { l ^ { 2 } } \\cdot \\cdot \\cdot \\cdot \\cdot } _ { H - 1 \\mathrm { ~ i n e s } } ) } \\\\ & { \\cdots } \\\\ & { \\leq \\displaystyle \\left( \\prod _ { i = 1 } ^ { H _ { l } } s _ { i h } \\right) d _ { M } ( P X ) } \\\\ & { \\leq s _ { i d _ { M } ( P X ) } } \\\\ & { \\leq s _ { i H _ { 1 } } d _ { M } ( X ) . } \\end{array}", + "type": "interline_equation", + "image_path": "15704c0189b83b8ac25bed3cd3d139dd55c80d16850523239a96a4637790c552.jpg" + } + ] + } + ], + "index": 7, + "virtual_lines": [ + { + "bbox": [ + 168, + 213, + 439, + 268.6666666666667 + ], + "spans": [], + "index": 6 + }, + { + "bbox": [ + 168, + 268.6666666666667, + 439, + 324.33333333333337 + ], + "spans": [], + "index": 7 + }, + { + "bbox": [ + 168, + 324.33333333333337, + 439, + 380.00000000000006 + ], + "spans": [], + "index": 8 + } + ] + }, + { + "type": "title", + "bbox": [ + 108, + 415, + 260, + 428 + ], + "lines": [ + { + "bbox": [ + 105, + 415, + 262, + 430 + ], + "spans": [ + { + "bbox": [ + 105, + 415, + 262, + 430 + ], + "score": 1.0, + "content": "B PROOF OF PROPOSITION 1", + "type": "text" + } + ], + "index": 9 + } + ], + "index": 9 + }, + { + "type": "text", + "bbox": [ + 106, + 441, + 506, + 513 + ], + "lines": [ + { + "bbox": [ + 105, + 440, + 506, + 454 + ], + "spans": [ + { + "bbox": [ + 105, + 441, + 153, + 454 + ], + "score": 1.0, + "content": "Proof. Let", + "type": "text" + }, + { + "bbox": [ + 153, + 442, + 222, + 453 + ], + "score": 0.92, + "content": "{ \\tilde { \\mu } } _ { 1 } \\leq \\dots \\leq { \\tilde { \\mu } } _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 223, + 441, + 464, + 454 + ], + "score": 1.0, + "content": "be the eigenvalue of the augmented normalized Laplacian", + "type": "text" + }, + { + "bbox": [ + 464, + 440, + 473, + 452 + ], + "score": 0.84, + "content": "\\tilde { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 474, + 441, + 506, + 454 + ], + "score": 1.0, + "content": ", sorted", + "type": "text" + } + ], + "index": 10 + }, + { + "bbox": [ + 105, + 453, + 505, + 468 + ], + "spans": [ + { + "bbox": [ + 105, + 454, + 213, + 468 + ], + "score": 1.0, + "content": "in ascending order. Since", + "type": "text" + }, + { + "bbox": [ + 213, + 453, + 271, + 466 + ], + "score": 0.93, + "content": "P = I _ { N } - \\tilde { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 271, + 454, + 361, + 468 + ], + "score": 1.0, + "content": ", it is enough to show", + "type": "text" + }, + { + "bbox": [ + 361, + 455, + 450, + 466 + ], + "score": 0.89, + "content": "\\tilde { \\mu } _ { 1 } = \\cdot \\cdot \\cdot = \\tilde { \\mu } _ { M } = 0", + "type": "inline_equation" + }, + { + "bbox": [ + 451, + 454, + 455, + 468 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 455, + 455, + 501, + 466 + ], + "score": 0.81, + "content": "{ \\tilde { \\mu } } _ { M + 1 } > 0", + "type": "inline_equation" + }, + { + "bbox": [ + 502, + 454, + 505, + 468 + ], + "score": 1.0, + "content": ",", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 105, + 466, + 506, + 479 + ], + "spans": [ + { + "bbox": [ + 105, + 466, + 123, + 479 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 124, + 467, + 158, + 478 + ], + "score": 0.91, + "content": "\\tilde { \\mu } _ { N } < 2", + "type": "inline_equation" + }, + { + "bbox": [ + 158, + 466, + 379, + 479 + ], + "score": 1.0, + "content": ". For the first two, the statements are equivalent to that", + "type": "text" + }, + { + "bbox": [ + 379, + 466, + 389, + 477 + ], + "score": 0.82, + "content": "\\tilde { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 389, + 466, + 506, + 479 + ], + "score": 1.0, + "content": "is positive semi-definite and", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 105, + 477, + 505, + 490 + ], + "spans": [ + { + "bbox": [ + 105, + 477, + 505, + 490 + ], + "score": 1.0, + "content": "that the multiplicity of the eigenvalue 0 is same as the number of connected components 6. This", + "type": "text" + } + ], + "index": 13 + }, + { + "bbox": [ + 105, + 488, + 506, + 502 + ], + "spans": [ + { + "bbox": [ + 105, + 488, + 506, + 502 + ], + "score": 1.0, + "content": "is well-known for Laplacian or its normalized version (see, e.g., Chung & Graham (1997)) and the", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 105, + 499, + 321, + 514 + ], + "spans": [ + { + "bbox": [ + 105, + 500, + 145, + 514 + ], + "score": 1.0, + "content": "proof for", + "type": "text" + }, + { + "bbox": [ + 145, + 499, + 154, + 511 + ], + "score": 0.87, + "content": "\\tilde { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 155, + 500, + 321, + 514 + ], + "score": 1.0, + "content": "is similar. By direct calculation, we have", + "type": "text" + } + ], + "index": 15 + } + ], + "index": 12.5, + "bbox_fs": [ + 105, + 440, + 506, + 514 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 208, + 520, + 401, + 556 + ], + "lines": [ + { + "bbox": [ + 208, + 520, + 401, + 556 + ], + "spans": [ + { + "bbox": [ + 208, + 520, + 401, + 556 + ], + "score": 0.93, + "content": "x ^ { \\top } \\tilde { \\Delta } x = \\frac { 1 } { 2 } \\sum _ { i , j = 1 } ^ { N } a _ { i j } \\left( \\frac { x _ { i } } { \\sqrt { d _ { i } + 1 } } - \\frac { x _ { j } } { \\sqrt { d _ { j } + 1 } } \\right) ^ { 2 }", + "type": "interline_equation", + "image_path": "912b3f39f00da229f42e6b22f48e40279df357eb9f4ff841a0f14ea1354fcf33.jpg" + } + ] + } + ], + "index": 16.5, + "virtual_lines": [ + { + "bbox": [ + 208, + 520, + 401, + 538.0 + ], + "spans": [], + "index": 16 + }, + { + "bbox": [ + 208, + 538.0, + 401, + 556.0 + ], + "spans": [], + "index": 17 + } + ] + }, + { + "type": "text", + "bbox": [ + 105, + 564, + 485, + 579 + ], + "lines": [ + { + "bbox": [ + 103, + 562, + 483, + 582 + ], + "spans": [ + { + "bbox": [ + 103, + 562, + 137, + 582 + ], + "score": 1.0, + "content": "for any", + "type": "text" + }, + { + "bbox": [ + 137, + 564, + 253, + 579 + ], + "score": 0.85, + "content": "x = \\lbrack x _ { 1 } \\quad \\cdot \\cdot \\cdot \\quad x _ { N } \\rbrack ^ { \\top } \\in \\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 254, + 562, + 302, + 582 + ], + "score": 1.0, + "content": ". Therefore,", + "type": "text" + }, + { + "bbox": [ + 302, + 565, + 312, + 577 + ], + "score": 0.86, + "content": "\\tilde { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 312, + 562, + 452, + 582 + ], + "score": 1.0, + "content": "is positive semi-definite and hence", + "type": "text" + }, + { + "bbox": [ + 453, + 567, + 483, + 578 + ], + "score": 0.91, + "content": "\\tilde { \\mu } _ { 1 } \\geq 0", + "type": "inline_equation" + } + ], + "index": 18 + } + ], + "index": 18, + "bbox_fs": [ + 103, + 562, + 483, + 582 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 583, + 506, + 700 + ], + "lines": [ + { + "bbox": [ + 105, + 583, + 506, + 598 + ], + "spans": [ + { + "bbox": [ + 105, + 583, + 209, + 598 + ], + "score": 1.0, + "content": "Suppose temporally that", + "type": "text" + }, + { + "bbox": [ + 209, + 586, + 218, + 595 + ], + "score": 0.83, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 218, + 583, + 289, + 598 + ], + "score": 1.0, + "content": "is connected. If", + "type": "text" + }, + { + "bbox": [ + 290, + 584, + 327, + 595 + ], + "score": 0.91, + "content": "\\boldsymbol { x } \\in \\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 327, + 583, + 506, + 598 + ], + "score": 1.0, + "content": "is an eigenvector associated to 0, then, by", + "type": "text" + } + ], + "index": 19 + }, + { + "bbox": [ + 106, + 595, + 505, + 614 + ], + "spans": [ + { + "bbox": [ + 106, + 595, + 232, + 614 + ], + "score": 1.0, + "content": "the aformentioned calculation,", + "type": "text" + }, + { + "bbox": [ + 232, + 596, + 259, + 612 + ], + "score": 0.91, + "content": "\\textstyle { \\frac { x _ { i } } { \\sqrt { d _ { i } + 1 } } }", + "type": "inline_equation" + }, + { + "bbox": [ + 259, + 595, + 279, + 614 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 279, + 596, + 308, + 614 + ], + "score": 0.93, + "content": "\\textstyle { \\frac { x _ { j } } { \\sqrt { d _ { j } + 1 } } }", + "type": "inline_equation" + }, + { + "bbox": [ + 309, + 595, + 417, + 610 + ], + "score": 1.0, + "content": "must be same for all pairs", + "type": "text" + }, + { + "bbox": [ + 417, + 596, + 438, + 608 + ], + "score": 0.92, + "content": "( i , j )", + "type": "inline_equation" + }, + { + "bbox": [ + 439, + 595, + 479, + 610 + ], + "score": 1.0, + "content": "such that", + "type": "text" + }, + { + "bbox": [ + 479, + 597, + 505, + 609 + ], + "score": 0.89, + "content": "a _ { i j } >", + "type": "inline_equation" + } + ], + "index": 20 + }, + { + "bbox": [ + 105, + 612, + 505, + 629 + ], + "spans": [ + { + "bbox": [ + 105, + 612, + 186, + 629 + ], + "score": 1.0, + "content": "0. However, since", + "type": "text" + }, + { + "bbox": [ + 186, + 613, + 195, + 623 + ], + "score": 0.8, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 195, + 612, + 254, + 629 + ], + "score": 1.0, + "content": "is connected,", + "type": "text" + }, + { + "bbox": [ + 254, + 614, + 281, + 628 + ], + "score": 0.91, + "content": "\\textstyle { \\frac { x _ { i } } { \\sqrt { d _ { i } + 1 } } }", + "type": "inline_equation" + }, + { + "bbox": [ + 282, + 612, + 397, + 629 + ], + "score": 1.0, + "content": "must be same value for all", + "type": "text" + }, + { + "bbox": [ + 397, + 613, + 432, + 625 + ], + "score": 0.93, + "content": "i \\in [ N ]", + "type": "inline_equation" + }, + { + "bbox": [ + 432, + 612, + 505, + 629 + ], + "score": 1.0, + "content": ". That means the", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 105, + 625, + 506, + 639 + ], + "spans": [ + { + "bbox": [ + 105, + 625, + 506, + 639 + ], + "score": 1.0, + "content": "multiplicity of the eigenvalue 0 is 1 and any eigenvector associated to 0 must be proportional to", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 106, + 636, + 506, + 652 + ], + "spans": [ + { + "bbox": [ + 106, + 637, + 128, + 649 + ], + "score": 0.87, + "content": "{ \\tilde { D } } ^ { \\frac { 1 } { 2 } } \\mathbf { 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 128, + 636, + 197, + 652 + ], + "score": 1.0, + "content": ". Now, suppose", + "type": "text" + }, + { + "bbox": [ + 197, + 639, + 207, + 649 + ], + "score": 0.81, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 207, + 636, + 226, + 652 + ], + "score": 1.0, + "content": "has", + "type": "text" + }, + { + "bbox": [ + 226, + 639, + 238, + 649 + ], + "score": 0.82, + "content": "M", + "type": "inline_equation" + }, + { + "bbox": [ + 239, + 636, + 336, + 652 + ], + "score": 1.0, + "content": "connected components", + "type": "text" + }, + { + "bbox": [ + 336, + 638, + 385, + 650 + ], + "score": 0.92, + "content": "V _ { 1 } , \\dots , V _ { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 385, + 636, + 410, + 652 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 410, + 637, + 427, + 650 + ], + "score": 0.91, + "content": "\\tilde { \\Delta } _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 427, + 636, + 506, + 652 + ], + "score": 1.0, + "content": "be the augmented", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 105, + 649, + 506, + 663 + ], + "spans": [ + { + "bbox": [ + 105, + 649, + 389, + 663 + ], + "score": 1.0, + "content": "normalized Laplacians corresponding to each connected component", + "type": "text" + }, + { + "bbox": [ + 389, + 650, + 404, + 661 + ], + "score": 0.89, + "content": "V _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 405, + 649, + 422, + 663 + ], + "score": 1.0, + "content": "for", + "type": "text" + }, + { + "bbox": [ + 423, + 650, + 466, + 662 + ], + "score": 0.91, + "content": "m \\in \\ [ M ]", + "type": "inline_equation" + }, + { + "bbox": [ + 466, + 649, + 506, + 663 + ], + "score": 1.0, + "content": ". By the", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 105, + 661, + 506, + 675 + ], + "spans": [ + { + "bbox": [ + 105, + 662, + 214, + 675 + ], + "score": 1.0, + "content": "aformentioned discussion,", + "type": "text" + }, + { + "bbox": [ + 214, + 661, + 231, + 673 + ], + "score": 0.91, + "content": "\\tilde { \\Delta } _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 232, + 662, + 424, + 675 + ], + "score": 1.0, + "content": "has the eigenvalue 0 with multiplicity 1. Since", + "type": "text" + }, + { + "bbox": [ + 425, + 661, + 434, + 672 + ], + "score": 0.84, + "content": "\\tilde { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 435, + 662, + 506, + 675 + ], + "score": 1.0, + "content": "is the direct sum", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 106, + 673, + 505, + 687 + ], + "spans": [ + { + "bbox": [ + 106, + 673, + 117, + 687 + ], + "score": 1.0, + "content": "of", + "type": "text" + }, + { + "bbox": [ + 118, + 673, + 139, + 687 + ], + "score": 0.92, + "content": "\\tilde { \\Delta } _ { m } ^ { \\prime } s", + "type": "inline_equation" + }, + { + "bbox": [ + 139, + 673, + 213, + 687 + ], + "score": 1.0, + "content": ", the eigenvalue of", + "type": "text" + }, + { + "bbox": [ + 213, + 674, + 222, + 685 + ], + "score": 0.86, + "content": "\\tilde { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 222, + 673, + 320, + 687 + ], + "score": 1.0, + "content": "is the union of those for", + "type": "text" + }, + { + "bbox": [ + 320, + 673, + 336, + 686 + ], + "score": 0.91, + "content": "\\tilde { \\Delta } _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 337, + 673, + 392, + 687 + ], + "score": 1.0, + "content": "’s. Therefore,", + "type": "text" + }, + { + "bbox": [ + 392, + 673, + 401, + 685 + ], + "score": 0.85, + "content": "\\tilde { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 402, + 673, + 505, + 687 + ], + "score": 1.0, + "content": "has the eigenvalue 0 with", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 105, + 686, + 420, + 700 + ], + "spans": [ + { + "bbox": [ + 105, + 686, + 155, + 700 + ], + "score": 1.0, + "content": "multiplicity", + "type": "text" + }, + { + "bbox": [ + 156, + 688, + 168, + 698 + ], + "score": 0.79, + "content": "M", + "type": "inline_equation" + }, + { + "bbox": [ + 168, + 686, + 186, + 700 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 186, + 686, + 240, + 699 + ], + "score": 0.93, + "content": "e _ { m } = \\tilde { D } ^ { \\frac { 1 } { 2 } } \\mathbf { 1 } _ { m }", + "type": "inline_equation" + }, + { + "bbox": [ + 240, + 686, + 420, + 700 + ], + "score": 1.0, + "content": "’s are the orthogonal basis of the eigenspace.", + "type": "text" + } + ], + "index": 27 + } + ], + "index": 23, + "bbox_fs": [ + 105, + 583, + 506, + 700 + ] + } + ] + }, + { + "preproc_blocks": [ + { + "type": "text", + "bbox": [ + 104, + 82, + 504, + 107 + ], + "lines": [ + { + "bbox": [ + 105, + 80, + 505, + 95 + ], + "spans": [ + { + "bbox": [ + 105, + 80, + 181, + 95 + ], + "score": 1.0, + "content": "Finally, we prove", + "type": "text" + }, + { + "bbox": [ + 181, + 83, + 218, + 94 + ], + "score": 0.9, + "content": "\\tilde { \\mu } _ { N \\mathrm { ~ } } < \\mathrm { ~ 2 ~ }", + "type": "inline_equation" + }, + { + "bbox": [ + 218, + 80, + 241, + 95 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 242, + 84, + 257, + 94 + ], + "score": 0.84, + "content": "\\mu _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 257, + 80, + 482, + 95 + ], + "score": 1.0, + "content": "be the largest eigenvalue of the normalized Laplacian", + "type": "text" + }, + { + "bbox": [ + 482, + 82, + 505, + 94 + ], + "score": 0.83, + "content": "\\Delta =", + "type": "inline_equation" + } + ], + "index": 0 + }, + { + "bbox": [ + 107, + 90, + 414, + 110 + ], + "spans": [ + { + "bbox": [ + 107, + 93, + 185, + 107 + ], + "score": 0.93, + "content": "D ^ { - \\frac { 1 } { 2 } } \\bar { ( } D - \\bar { A } ) D ^ { - \\frac { 1 } { 2 } }", + "type": "inline_equation" + }, + { + "bbox": [ + 185, + 90, + 216, + 110 + ], + "score": 1.0, + "content": ", where", + "type": "text" + }, + { + "bbox": [ + 216, + 93, + 279, + 105 + ], + "score": 0.92, + "content": "D ^ { - \\frac { 1 } { 2 } } \\in \\mathbb { R } ^ { N \\times N }", + "type": "inline_equation" + }, + { + "bbox": [ + 279, + 90, + 414, + 110 + ], + "score": 1.0, + "content": "is the diagonal matrix defined by", + "type": "text" + } + ], + "index": 1 + } + ], + "index": 0.5 + }, + { + "type": "interline_equation", + "bbox": [ + 225, + 112, + 384, + 146 + ], + "lines": [ + { + "bbox": [ + 225, + 112, + 384, + 146 + ], + "spans": [ + { + "bbox": [ + 225, + 112, + 384, + 146 + ], + "score": 0.94, + "content": "D _ { i i } ^ { - \\frac { 1 } { 2 } } = \\left\\{ \\begin{array} { l l } { \\deg ( i ) ^ { - \\frac { 1 } { 2 } } } & { ( \\mathrm { i f } \\deg ( i ) \\neq 0 ) } \\\\ { 0 } & { ( \\mathrm { i f } \\deg ( i ) = 0 ) } \\end{array} \\right. .", + "type": "interline_equation", + "image_path": "3d269a0ba588fd8303d9cdfd91801f8052013907dddbbf2c70e75cc2e48e6492.jpg" + } + ] + } + ], + "index": 2.5, + "virtual_lines": [ + { + "bbox": [ + 225, + 112, + 384, + 129.0 + ], + "spans": [], + "index": 2 + }, + { + "bbox": [ + 225, + 129.0, + 384, + 146.0 + ], + "spans": [], + "index": 3 + } + ] + }, + { + "type": "text", + "bbox": [ + 105, + 152, + 504, + 176 + ], + "lines": [ + { + "bbox": [ + 104, + 150, + 506, + 167 + ], + "spans": [ + { + "bbox": [ + 104, + 150, + 147, + 167 + ], + "score": 1.0, + "content": "Note that", + "type": "text" + }, + { + "bbox": [ + 147, + 151, + 183, + 163 + ], + "score": 0.91, + "content": "D ^ { - \\frac { 1 } { 2 } } D ^ { \\frac { 1 } { 2 } }", + "type": "inline_equation" + }, + { + "bbox": [ + 184, + 150, + 203, + 167 + ], + "score": 1.0, + "content": "nor", + "type": "text" + }, + { + "bbox": [ + 203, + 151, + 239, + 163 + ], + "score": 0.92, + "content": "D ^ { \\frac { 1 } { 2 } } D ^ { - { \\frac { 1 } { 2 } } }", + "type": "inline_equation" + }, + { + "bbox": [ + 239, + 150, + 386, + 167 + ], + "score": 1.0, + "content": "are not equal to the identity matrix", + "type": "text" + }, + { + "bbox": [ + 387, + 154, + 400, + 164 + ], + "score": 0.89, + "content": "I _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 400, + 150, + 506, + 167 + ], + "score": 1.0, + "content": "in general. However, we", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 104, + 162, + 129, + 178 + ], + "spans": [ + { + "bbox": [ + 104, + 162, + 129, + 178 + ], + "score": 1.0, + "content": "have", + "type": "text" + } + ], + "index": 5 + } + ], + "index": 4.5 + }, + { + "type": "interline_equation", + "bbox": [ + 254, + 178, + 356, + 194 + ], + "lines": [ + { + "bbox": [ + 254, + 178, + 356, + 194 + ], + "spans": [ + { + "bbox": [ + 254, + 178, + 356, + 194 + ], + "score": 0.9, + "content": "L = D ^ { \\frac { 1 } { 2 } } D ^ { - \\frac { 1 } { 2 } } L D ^ { - \\frac { 1 } { 2 } } D ^ { \\frac { 1 } { 2 } }", + "type": "interline_equation", + "image_path": "f06328db9cdb9c357ee18d32337ee54247ad13e04e1cc4534382a8bbdb729367.jpg" + } + ] + } + ], + "index": 6, + "virtual_lines": [ + { + "bbox": [ + 254, + 178, + 356, + 194 + ], + "spans": [], + "index": 6 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 199, + 396, + 212 + ], + "lines": [ + { + "bbox": [ + 106, + 199, + 396, + 213 + ], + "spans": [ + { + "bbox": [ + 106, + 199, + 133, + 213 + ], + "score": 1.0, + "content": "where", + "type": "text" + }, + { + "bbox": [ + 133, + 200, + 183, + 210 + ], + "score": 0.91, + "content": "L = D - A", + "type": "inline_equation" + }, + { + "bbox": [ + 183, + 199, + 396, + 213 + ], + "score": 1.0, + "content": "is the (unnormalized) Laplacian. Therefore, we have", + "type": "text" + } + ], + "index": 7 + } + ], + "index": 7 + }, + { + "type": "interline_equation", + "bbox": [ + 162, + 214, + 452, + 529 + ], + "lines": [ + { + "bbox": [ + 162, + 214, + 452, + 529 + ], + "spans": [ + { + "bbox": [ + 162, + 214, + 452, + 529 + ], + "score": 0.95, + "content": "\\begin{array} { r l } { \\alpha _ { 1 } } & { \\gamma _ { 2 } \\geq \\frac { \\alpha _ { 2 } ( \\lambda _ { 1 } ) } { \\alpha _ { 1 } } } \\\\ { = } & { \\gamma _ { 1 } \\geq \\alpha _ { 2 } \\leq \\alpha _ { 1 } } \\\\ & { - \\gamma _ { 2 } \\geq \\alpha _ { 2 } \\leq \\alpha _ { 2 } \\leq \\alpha _ { 2 } \\leq \\alpha _ { 2 } } \\\\ & { - \\gamma _ { 3 } \\geq \\alpha _ { 3 } } \\\\ { = } & { \\gamma _ { 2 } \\geq \\alpha _ { 3 } \\leq \\alpha _ { 3 } \\leq \\alpha _ { 4 } } \\\\ & { - \\gamma _ { 2 } \\geq \\alpha _ { 4 } \\leq \\alpha _ { 4 } } \\\\ & { - \\gamma _ { 3 } \\geq \\alpha _ { 4 } \\leq \\alpha _ { 5 } \\leq \\alpha _ { 4 } } \\\\ & { - \\gamma _ { 5 } \\geq \\alpha _ { 5 } \\leq \\alpha _ { 5 } \\leq \\alpha _ { 4 } } \\\\ & { - \\gamma _ { 6 } \\geq \\alpha _ { 6 } \\leq \\alpha _ { 5 } \\leq \\alpha _ { 5 } } \\\\ & { - \\alpha _ { 5 } \\leq \\alpha _ { 5 } \\leq \\alpha _ { 5 } \\leq \\alpha _ { 6 } } \\\\ & { \\gamma _ { 6 } \\geq \\alpha _ { 5 } \\leq \\alpha _ { 7 } \\leq \\alpha _ { 6 } \\leq \\alpha _ { 7 } \\leq \\alpha _ { 6 } \\leq \\alpha _ { 7 } \\leq \\alpha _ { 7 } \\leq \\alpha _ { 8 } } \\\\ & { \\gamma _ { 7 } \\geq \\alpha _ { 6 } \\leq \\alpha _ { 7 } \\leq \\alpha _ { 7 } \\leq \\alpha _ { 8 } } \\\\ & { \\alpha _ { 1 } \\leq \\alpha _ { 1 } \\leq \\alpha _ { 1 } \\leq \\alpha _ { 1 } } \\\\ & { \\gamma _ { 2 } \\leq \\alpha _ { 2 } \\leq \\alpha _ { 2 } \\leq \\alpha _ { 3 } \\leq \\alpha _ { 1 } } \\\\ & { \\gamma _ { 1 } \\geq \\alpha _ { 2 } \\leq \\alpha _ { 2 } \\leq \\alpha _ { 3 } \\leq \\alpha _ { 2 } \\leq \\alpha _ { 3 } } \\\\ & { \\gamma _ { 2 } \\leq \\alpha _ { 3 } \\leq \\alpha _ { 4 } } \\\\ & { \\alpha _ { 2 } \\leq \\alpha _ { 3 } \\leq \\alpha _ { 5 } \\leq \\alpha _ { 4 } } \\\\ & { \\gamma _ { 2 } \\leq \\alpha _ { 3 } \\leq \\alpha _ { 4 } } \\\\ & { \\gamma _ { 3 } \\geq \\alpha _ { 5 } \\leq \\alpha _ { 4 } } \\\\ & { \\gamma _ { 2 } \\geq \\alpha _ { 2 } \\leq \\alpha _ { 3 } \\leq \\alpha _ { 4 } } \\\\ & \\gamma _ { 3 } \\geq \\ \\end{array}", + "type": "interline_equation", + "image_path": "0130e9d5369d0baf35ac0feeea7a01ddaaafd449509a606e0c5a756b6400d2fd.jpg" + } + ] + } + ], + "index": 18.5, + "virtual_lines": [ + { + "bbox": [ + 162, + 214, + 452, + 228.3181818181818 + ], + "spans": [], + "index": 8 + }, + { + "bbox": [ + 162, + 228.3181818181818, + 452, + 242.63636363636363 + ], + "spans": [], + "index": 9 + }, + { + "bbox": [ + 162, + 242.63636363636363, + 452, + 256.95454545454544 + ], + "spans": [], + "index": 10 + }, + { + "bbox": [ + 162, + 256.95454545454544, + 452, + 271.27272727272725 + ], + "spans": [], + "index": 11 + }, + { + "bbox": [ + 162, + 271.27272727272725, + 452, + 285.59090909090907 + ], + "spans": [], + "index": 12 + }, + { + "bbox": [ + 162, + 285.59090909090907, + 452, + 299.9090909090909 + ], + "spans": [], + "index": 13 + }, + { + "bbox": [ + 162, + 299.9090909090909, + 452, + 314.2272727272727 + ], + "spans": [], + "index": 14 + }, + { + "bbox": [ + 162, + 314.2272727272727, + 452, + 328.5454545454545 + ], + "spans": [], + "index": 15 + }, + { + "bbox": [ + 162, + 328.5454545454545, + 452, + 342.8636363636363 + ], + "spans": [], + "index": 16 + }, + { + "bbox": [ + 162, + 342.8636363636363, + 452, + 357.18181818181813 + ], + "spans": [], + "index": 17 + }, + { + "bbox": [ + 162, + 357.18181818181813, + 452, + 371.49999999999994 + ], + "spans": [], + "index": 18 + }, + { + "bbox": [ + 162, + 371.49999999999994, + 452, + 385.81818181818176 + ], + "spans": [], + "index": 19 + }, + { + "bbox": [ + 162, + 385.81818181818176, + 452, + 400.13636363636357 + ], + "spans": [], + "index": 20 + }, + { + "bbox": [ + 162, + 400.13636363636357, + 452, + 414.4545454545454 + ], + "spans": [], + "index": 21 + }, + { + "bbox": [ + 162, + 414.4545454545454, + 452, + 428.7727272727272 + ], + "spans": [], + "index": 22 + }, + { + "bbox": [ + 162, + 428.7727272727272, + 452, + 443.090909090909 + ], + "spans": [], + "index": 23 + }, + { + "bbox": [ + 162, + 443.090909090909, + 452, + 457.4090909090908 + ], + "spans": [], + "index": 24 + }, + { + "bbox": [ + 162, + 457.4090909090908, + 452, + 471.72727272727263 + ], + "spans": [], + "index": 25 + }, + { + "bbox": [ + 162, + 471.72727272727263, + 452, + 486.04545454545445 + ], + "spans": [], + "index": 26 + }, + { + "bbox": [ + 162, + 486.04545454545445, + 452, + 500.36363636363626 + ], + "spans": [], + "index": 27 + }, + { + "bbox": [ + 162, + 500.36363636363626, + 452, + 514.6818181818181 + ], + "spans": [], + "index": 28 + }, + { + "bbox": [ + 162, + 514.6818181818181, + 452, + 529.0 + ], + "spans": [], + "index": 29 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 537, + 505, + 603 + ], + "lines": [ + { + "bbox": [ + 105, + 536, + 505, + 559 + ], + "spans": [ + { + "bbox": [ + 105, + 540, + 311, + 558 + ], + "score": 1.0, + "content": "Therefore, we have µ˜N ≤ µN 7. Since maxi∈[N]", + "type": "text" + }, + { + "bbox": [ + 266, + 536, + 381, + 559 + ], + "score": 0.94, + "content": "\\begin{array} { r } { \\operatorname* { m a x } _ { i \\in [ N ] } \\left( \\frac { \\deg ( i ) } { \\deg ( i ) + 1 } \\right) ^ { \\frac { 1 } { 2 } } < 1 } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 381, + 542, + 435, + 556 + ], + "score": 1.0, + "content": ", the equality", + "type": "text" + }, + { + "bbox": [ + 435, + 544, + 479, + 555 + ], + "score": 0.92, + "content": "\\tilde { \\mu } _ { N } = \\mu _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 479, + 542, + 505, + 556 + ], + "score": 1.0, + "content": "holds", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 105, + 557, + 505, + 570 + ], + "spans": [ + { + "bbox": [ + 105, + 557, + 164, + 570 + ], + "score": 1.0, + "content": "if and only if", + "type": "text" + }, + { + "bbox": [ + 164, + 558, + 200, + 569 + ], + "score": 0.91, + "content": "\\mu _ { N } = 0", + "type": "inline_equation" + }, + { + "bbox": [ + 201, + 557, + 236, + 570 + ], + "score": 1.0, + "content": ", that is,", + "type": "text" + }, + { + "bbox": [ + 236, + 558, + 245, + 568 + ], + "score": 0.81, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 246, + 557, + 264, + 570 + ], + "score": 1.0, + "content": "has", + "type": "text" + }, + { + "bbox": [ + 264, + 558, + 275, + 568 + ], + "score": 0.83, + "content": "N", + "type": "inline_equation" + }, + { + "bbox": [ + 275, + 557, + 505, + 570 + ], + "score": 1.0, + "content": "connected components. On the other hand, it is known", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 106, + 568, + 506, + 581 + ], + "spans": [ + { + "bbox": [ + 106, + 568, + 124, + 581 + ], + "score": 1.0, + "content": "that", + "type": "text" + }, + { + "bbox": [ + 124, + 569, + 159, + 580 + ], + "score": 0.91, + "content": "\\mu _ { N } \\leq 2", + "type": "inline_equation" + }, + { + "bbox": [ + 160, + 568, + 309, + 581 + ], + "score": 1.0, + "content": "and the equality holds if and only if", + "type": "text" + }, + { + "bbox": [ + 309, + 569, + 319, + 579 + ], + "score": 0.8, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 319, + 568, + 506, + 581 + ], + "score": 1.0, + "content": "has non-trivial bipartite graph as a connected", + "type": "text" + } + ], + "index": 32 + }, + { + "bbox": [ + 105, + 579, + 506, + 592 + ], + "spans": [ + { + "bbox": [ + 105, + 579, + 224, + 592 + ], + "score": 1.0, + "content": "component (see, e.g., Chung", + "type": "text" + }, + { + "bbox": [ + 224, + 580, + 233, + 590 + ], + "score": 0.51, + "content": "\\&", + "type": "inline_equation" + }, + { + "bbox": [ + 234, + 579, + 351, + 592 + ], + "score": 1.0, + "content": "Graham (1997)). Therefore,", + "type": "text" + }, + { + "bbox": [ + 351, + 580, + 393, + 591 + ], + "score": 0.91, + "content": "\\tilde { \\mu } _ { N } = \\mu _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 394, + 579, + 412, + 592 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 412, + 580, + 447, + 591 + ], + "score": 0.9, + "content": "\\mu _ { N } = 2", + "type": "inline_equation" + }, + { + "bbox": [ + 447, + 579, + 506, + 592 + ], + "score": 1.0, + "content": "does not hold", + "type": "text" + } + ], + "index": 33 + }, + { + "bbox": [ + 106, + 591, + 506, + 602 + ], + "spans": [ + { + "bbox": [ + 106, + 591, + 227, + 602 + ], + "score": 1.0, + "content": "simultaneously and we obtain", + "type": "text" + }, + { + "bbox": [ + 228, + 591, + 261, + 602 + ], + "score": 0.9, + "content": "\\mu _ { N } < 2", + "type": "inline_equation" + }, + { + "bbox": [ + 261, + 591, + 264, + 602 + ], + "score": 1.0, + "content": ".", + "type": "text" + }, + { + "bbox": [ + 493, + 591, + 506, + 602 + ], + "score": 0.996, + "content": "□", + "type": "text" + } + ], + "index": 34 + } + ], + "index": 32 + }, + { + "type": "title", + "bbox": [ + 107, + 618, + 480, + 645 + ], + "lines": [ + { + "bbox": [ + 105, + 617, + 482, + 632 + ], + "spans": [ + { + "bbox": [ + 105, + 617, + 482, + 632 + ], + "score": 1.0, + "content": "C COUNTEREXAMPLE OF PREVIOUS STUDY ON OVER-SMOOTHING FOR", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 126, + 632, + 234, + 645 + ], + "spans": [ + { + "bbox": [ + 126, + 632, + 234, + 645 + ], + "score": 1.0, + "content": "NON-LINEAR GNNS", + "type": "text" + } + ], + "index": 36 + } + ], + "index": 35.5 + }, + { + "type": "text", + "bbox": [ + 106, + 656, + 505, + 692 + ], + "lines": [ + { + "bbox": [ + 106, + 656, + 506, + 670 + ], + "spans": [ + { + "bbox": [ + 106, + 656, + 352, + 670 + ], + "score": 1.0, + "content": "We restate Theorem 1 of the preprint (version2) of Luan et al.", + "type": "text" + }, + { + "bbox": [ + 352, + 657, + 383, + 668 + ], + "score": 0.79, + "content": "( 2 0 1 9 ) ^ { 8 }", + "type": "inline_equation" + }, + { + "bbox": [ + 383, + 656, + 403, + 670 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 403, + 657, + 412, + 667 + ], + "score": 0.82, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 413, + 656, + 506, + 670 + ], + "score": 1.0, + "content": "be a simple undirected", + "type": "text" + } + ], + "index": 37 + }, + { + "bbox": [ + 105, + 668, + 505, + 681 + ], + "spans": [ + { + "bbox": [ + 105, + 668, + 152, + 681 + ], + "score": 1.0, + "content": "graph with", + "type": "text" + }, + { + "bbox": [ + 152, + 669, + 163, + 678 + ], + "score": 0.8, + "content": "N", + "type": "inline_equation" + }, + { + "bbox": [ + 163, + 668, + 207, + 681 + ], + "score": 1.0, + "content": "nodes and", + "type": "text" + }, + { + "bbox": [ + 207, + 669, + 214, + 678 + ], + "score": 0.8, + "content": "k", + "type": "inline_equation" + }, + { + "bbox": [ + 214, + 668, + 505, + 681 + ], + "score": 1.0, + "content": "connected components such that it does not have a bipartite component.", + "type": "text" + } + ], + "index": 38 + }, + { + "bbox": [ + 104, + 677, + 506, + 694 + ], + "spans": [ + { + "bbox": [ + 104, + 677, + 122, + 694 + ], + "score": 1.0, + "content": "Let", + "type": "text" + }, + { + "bbox": [ + 122, + 679, + 247, + 690 + ], + "score": 0.91, + "content": "L = \\tilde { D } ^ { - 1 / 2 } \\tilde { A } \\tilde { D } ^ { - 1 / 2 } \\in \\mathbb { R } ^ { N \\times N }", + "type": "inline_equation" + }, + { + "bbox": [ + 247, + 677, + 421, + 694 + ], + "score": 1.0, + "content": "be the augmented normalized Laplacian of", + "type": "text" + }, + { + "bbox": [ + 422, + 681, + 431, + 690 + ], + "score": 0.79, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 431, + 677, + 451, + 694 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 451, + 680, + 487, + 692 + ], + "score": 0.92, + "content": "F \\in \\mathbb { N } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 487, + 677, + 506, + 694 + ], + "score": 1.0, + "content": "and", + "type": "text" + } + ], + "index": 39 + } + ], + "index": 38 + } + ], + "page_idx": 16, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 106, + 700, + 504, + 731 + ], + "lines": [ + { + "bbox": [ + 118, + 698, + 506, + 714 + ], + "spans": [ + { + "bbox": [ + 118, + 698, + 405, + 714 + ], + "score": 1.0, + "content": "7Theorem 1 of Wu et al. (2019a) showed that this inequality strictly holds when", + "type": "text" + }, + { + "bbox": [ + 406, + 701, + 414, + 710 + ], + "score": 0.82, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 414, + 698, + 506, + 714 + ], + "score": 1.0, + "content": "is simple and connected.", + "type": "text" + } + ] + }, + { + "bbox": [ + 106, + 710, + 234, + 722 + ], + "spans": [ + { + "bbox": [ + 106, + 710, + 234, + 722 + ], + "score": 1.0, + "content": "We do not require this assumption.", + "type": "text" + } + ] + }, + { + "bbox": [ + 117, + 719, + 308, + 733 + ], + "spans": [ + { + "bbox": [ + 117, + 719, + 308, + 733 + ], + "score": 1.0, + "content": "8https://arxiv.org/abs/1906.02174v2", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 107, + 26, + 294, + 38 + ], + "lines": [ + { + "bbox": [ + 106, + 25, + 294, + 39 + ], + "spans": [ + { + "bbox": [ + 106, + 25, + 294, + 39 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 300, + 751, + 311, + 760 + ], + "lines": [ + { + "bbox": [ + 299, + 750, + 312, + 764 + ], + "spans": [ + { + "bbox": [ + 299, + 750, + 312, + 764 + ], + "score": 1.0, + "content": "17", + "type": "text" + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "text", + "bbox": [ + 104, + 82, + 504, + 107 + ], + "lines": [ + { + "bbox": [ + 105, + 80, + 505, + 95 + ], + "spans": [ + { + "bbox": [ + 105, + 80, + 181, + 95 + ], + "score": 1.0, + "content": "Finally, we prove", + "type": "text" + }, + { + "bbox": [ + 181, + 83, + 218, + 94 + ], + "score": 0.9, + "content": "\\tilde { \\mu } _ { N \\mathrm { ~ } } < \\mathrm { ~ 2 ~ }", + "type": "inline_equation" + }, + { + "bbox": [ + 218, + 80, + 241, + 95 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 242, + 84, + 257, + 94 + ], + "score": 0.84, + "content": "\\mu _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 257, + 80, + 482, + 95 + ], + "score": 1.0, + "content": "be the largest eigenvalue of the normalized Laplacian", + "type": "text" + }, + { + "bbox": [ + 482, + 82, + 505, + 94 + ], + "score": 0.83, + "content": "\\Delta =", + "type": "inline_equation" + } + ], + "index": 0 + }, + { + "bbox": [ + 107, + 90, + 414, + 110 + ], + "spans": [ + { + "bbox": [ + 107, + 93, + 185, + 107 + ], + "score": 0.93, + "content": "D ^ { - \\frac { 1 } { 2 } } \\bar { ( } D - \\bar { A } ) D ^ { - \\frac { 1 } { 2 } }", + "type": "inline_equation" + }, + { + "bbox": [ + 185, + 90, + 216, + 110 + ], + "score": 1.0, + "content": ", where", + "type": "text" + }, + { + "bbox": [ + 216, + 93, + 279, + 105 + ], + "score": 0.92, + "content": "D ^ { - \\frac { 1 } { 2 } } \\in \\mathbb { R } ^ { N \\times N }", + "type": "inline_equation" + }, + { + "bbox": [ + 279, + 90, + 414, + 110 + ], + "score": 1.0, + "content": "is the diagonal matrix defined by", + "type": "text" + } + ], + "index": 1 + } + ], + "index": 0.5, + "bbox_fs": [ + 105, + 80, + 505, + 110 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 225, + 112, + 384, + 146 + ], + "lines": [ + { + "bbox": [ + 225, + 112, + 384, + 146 + ], + "spans": [ + { + "bbox": [ + 225, + 112, + 384, + 146 + ], + "score": 0.94, + "content": "D _ { i i } ^ { - \\frac { 1 } { 2 } } = \\left\\{ \\begin{array} { l l } { \\deg ( i ) ^ { - \\frac { 1 } { 2 } } } & { ( \\mathrm { i f } \\deg ( i ) \\neq 0 ) } \\\\ { 0 } & { ( \\mathrm { i f } \\deg ( i ) = 0 ) } \\end{array} \\right. .", + "type": "interline_equation", + "image_path": "3d269a0ba588fd8303d9cdfd91801f8052013907dddbbf2c70e75cc2e48e6492.jpg" + } + ] + } + ], + "index": 2.5, + "virtual_lines": [ + { + "bbox": [ + 225, + 112, + 384, + 129.0 + ], + "spans": [], + "index": 2 + }, + { + "bbox": [ + 225, + 129.0, + 384, + 146.0 + ], + "spans": [], + "index": 3 + } + ] + }, + { + "type": "text", + "bbox": [ + 105, + 152, + 504, + 176 + ], + "lines": [ + { + "bbox": [ + 104, + 150, + 506, + 167 + ], + "spans": [ + { + "bbox": [ + 104, + 150, + 147, + 167 + ], + "score": 1.0, + "content": "Note that", + "type": "text" + }, + { + "bbox": [ + 147, + 151, + 183, + 163 + ], + "score": 0.91, + "content": "D ^ { - \\frac { 1 } { 2 } } D ^ { \\frac { 1 } { 2 } }", + "type": "inline_equation" + }, + { + "bbox": [ + 184, + 150, + 203, + 167 + ], + "score": 1.0, + "content": "nor", + "type": "text" + }, + { + "bbox": [ + 203, + 151, + 239, + 163 + ], + "score": 0.92, + "content": "D ^ { \\frac { 1 } { 2 } } D ^ { - { \\frac { 1 } { 2 } } }", + "type": "inline_equation" + }, + { + "bbox": [ + 239, + 150, + 386, + 167 + ], + "score": 1.0, + "content": "are not equal to the identity matrix", + "type": "text" + }, + { + "bbox": [ + 387, + 154, + 400, + 164 + ], + "score": 0.89, + "content": "I _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 400, + 150, + 506, + 167 + ], + "score": 1.0, + "content": "in general. However, we", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 104, + 162, + 129, + 178 + ], + "spans": [ + { + "bbox": [ + 104, + 162, + 129, + 178 + ], + "score": 1.0, + "content": "have", + "type": "text" + } + ], + "index": 5 + } + ], + "index": 4.5, + "bbox_fs": [ + 104, + 150, + 506, + 178 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 254, + 178, + 356, + 194 + ], + "lines": [ + { + "bbox": [ + 254, + 178, + 356, + 194 + ], + "spans": [ + { + "bbox": [ + 254, + 178, + 356, + 194 + ], + "score": 0.9, + "content": "L = D ^ { \\frac { 1 } { 2 } } D ^ { - \\frac { 1 } { 2 } } L D ^ { - \\frac { 1 } { 2 } } D ^ { \\frac { 1 } { 2 } }", + "type": "interline_equation", + "image_path": "f06328db9cdb9c357ee18d32337ee54247ad13e04e1cc4534382a8bbdb729367.jpg" + } + ] + } + ], + "index": 6, + "virtual_lines": [ + { + "bbox": [ + 254, + 178, + 356, + 194 + ], + "spans": [], + "index": 6 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 199, + 396, + 212 + ], + "lines": [ + { + "bbox": [ + 106, + 199, + 396, + 213 + ], + "spans": [ + { + "bbox": [ + 106, + 199, + 133, + 213 + ], + "score": 1.0, + "content": "where", + "type": "text" + }, + { + "bbox": [ + 133, + 200, + 183, + 210 + ], + "score": 0.91, + "content": "L = D - A", + "type": "inline_equation" + }, + { + "bbox": [ + 183, + 199, + 396, + 213 + ], + "score": 1.0, + "content": "is the (unnormalized) Laplacian. Therefore, we have", + "type": "text" + } + ], + "index": 7 + } + ], + "index": 7, + "bbox_fs": [ + 106, + 199, + 396, + 213 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 162, + 214, + 452, + 529 + ], + "lines": [ + { + "bbox": [ + 162, + 214, + 452, + 529 + ], + "spans": [ + { + "bbox": [ + 162, + 214, + 452, + 529 + ], + "score": 0.95, + "content": "\\begin{array} { r l } { \\alpha _ { 1 } } & { \\gamma _ { 2 } \\geq \\frac { \\alpha _ { 2 } ( \\lambda _ { 1 } ) } { \\alpha _ { 1 } } } \\\\ { = } & { \\gamma _ { 1 } \\geq \\alpha _ { 2 } \\leq \\alpha _ { 1 } } \\\\ & { - \\gamma _ { 2 } \\geq \\alpha _ { 2 } \\leq \\alpha _ { 2 } \\leq \\alpha _ { 2 } \\leq \\alpha _ { 2 } } \\\\ & { - \\gamma _ { 3 } \\geq \\alpha _ { 3 } } \\\\ { = } & { \\gamma _ { 2 } \\geq \\alpha _ { 3 } \\leq \\alpha _ { 3 } \\leq \\alpha _ { 4 } } \\\\ & { - \\gamma _ { 2 } \\geq \\alpha _ { 4 } \\leq \\alpha _ { 4 } } \\\\ & { - \\gamma _ { 3 } \\geq \\alpha _ { 4 } \\leq \\alpha _ { 5 } \\leq \\alpha _ { 4 } } \\\\ & { - \\gamma _ { 5 } \\geq \\alpha _ { 5 } \\leq \\alpha _ { 5 } \\leq \\alpha _ { 4 } } \\\\ & { - \\gamma _ { 6 } \\geq \\alpha _ { 6 } \\leq \\alpha _ { 5 } \\leq \\alpha _ { 5 } } \\\\ & { - \\alpha _ { 5 } \\leq \\alpha _ { 5 } \\leq \\alpha _ { 5 } \\leq \\alpha _ { 6 } } \\\\ & { \\gamma _ { 6 } \\geq \\alpha _ { 5 } \\leq \\alpha _ { 7 } \\leq \\alpha _ { 6 } \\leq \\alpha _ { 7 } \\leq \\alpha _ { 6 } \\leq \\alpha _ { 7 } \\leq \\alpha _ { 7 } \\leq \\alpha _ { 8 } } \\\\ & { \\gamma _ { 7 } \\geq \\alpha _ { 6 } \\leq \\alpha _ { 7 } \\leq \\alpha _ { 7 } \\leq \\alpha _ { 8 } } \\\\ & { \\alpha _ { 1 } \\leq \\alpha _ { 1 } \\leq \\alpha _ { 1 } \\leq \\alpha _ { 1 } } \\\\ & { \\gamma _ { 2 } \\leq \\alpha _ { 2 } \\leq \\alpha _ { 2 } \\leq \\alpha _ { 3 } \\leq \\alpha _ { 1 } } \\\\ & { \\gamma _ { 1 } \\geq \\alpha _ { 2 } \\leq \\alpha _ { 2 } \\leq \\alpha _ { 3 } \\leq \\alpha _ { 2 } \\leq \\alpha _ { 3 } } \\\\ & { \\gamma _ { 2 } \\leq \\alpha _ { 3 } \\leq \\alpha _ { 4 } } \\\\ & { \\alpha _ { 2 } \\leq \\alpha _ { 3 } \\leq \\alpha _ { 5 } \\leq \\alpha _ { 4 } } \\\\ & { \\gamma _ { 2 } \\leq \\alpha _ { 3 } \\leq \\alpha _ { 4 } } \\\\ & { \\gamma _ { 3 } \\geq \\alpha _ { 5 } \\leq \\alpha _ { 4 } } \\\\ & { \\gamma _ { 2 } \\geq \\alpha _ { 2 } \\leq \\alpha _ { 3 } \\leq \\alpha _ { 4 } } \\\\ & \\gamma _ { 3 } \\geq \\ \\end{array}", + "type": "interline_equation", + "image_path": "0130e9d5369d0baf35ac0feeea7a01ddaaafd449509a606e0c5a756b6400d2fd.jpg" + } + ] + } + ], + "index": 18.5, + "virtual_lines": [ + { + "bbox": [ + 162, + 214, + 452, + 228.3181818181818 + ], + "spans": [], + "index": 8 + }, + { + "bbox": [ + 162, + 228.3181818181818, + 452, + 242.63636363636363 + ], + "spans": [], + "index": 9 + }, + { + "bbox": [ + 162, + 242.63636363636363, + 452, + 256.95454545454544 + ], + "spans": [], + "index": 10 + }, + { + "bbox": [ + 162, + 256.95454545454544, + 452, + 271.27272727272725 + ], + "spans": [], + "index": 11 + }, + { + "bbox": [ + 162, + 271.27272727272725, + 452, + 285.59090909090907 + ], + "spans": [], + "index": 12 + }, + { + "bbox": [ + 162, + 285.59090909090907, + 452, + 299.9090909090909 + ], + "spans": [], + "index": 13 + }, + { + "bbox": [ + 162, + 299.9090909090909, + 452, + 314.2272727272727 + ], + "spans": [], + "index": 14 + }, + { + "bbox": [ + 162, + 314.2272727272727, + 452, + 328.5454545454545 + ], + "spans": [], + "index": 15 + }, + { + "bbox": [ + 162, + 328.5454545454545, + 452, + 342.8636363636363 + ], + "spans": [], + "index": 16 + }, + { + "bbox": [ + 162, + 342.8636363636363, + 452, + 357.18181818181813 + ], + "spans": [], + "index": 17 + }, + { + "bbox": [ + 162, + 357.18181818181813, + 452, + 371.49999999999994 + ], + "spans": [], + "index": 18 + }, + { + "bbox": [ + 162, + 371.49999999999994, + 452, + 385.81818181818176 + ], + "spans": [], + "index": 19 + }, + { + "bbox": [ + 162, + 385.81818181818176, + 452, + 400.13636363636357 + ], + "spans": [], + "index": 20 + }, + { + "bbox": [ + 162, + 400.13636363636357, + 452, + 414.4545454545454 + ], + "spans": [], + "index": 21 + }, + { + "bbox": [ + 162, + 414.4545454545454, + 452, + 428.7727272727272 + ], + "spans": [], + "index": 22 + }, + { + "bbox": [ + 162, + 428.7727272727272, + 452, + 443.090909090909 + ], + "spans": [], + "index": 23 + }, + { + "bbox": [ + 162, + 443.090909090909, + 452, + 457.4090909090908 + ], + "spans": [], + "index": 24 + }, + { + "bbox": [ + 162, + 457.4090909090908, + 452, + 471.72727272727263 + ], + "spans": [], + "index": 25 + }, + { + "bbox": [ + 162, + 471.72727272727263, + 452, + 486.04545454545445 + ], + "spans": [], + "index": 26 + }, + { + "bbox": [ + 162, + 486.04545454545445, + 452, + 500.36363636363626 + ], + "spans": [], + "index": 27 + }, + { + "bbox": [ + 162, + 500.36363636363626, + 452, + 514.6818181818181 + ], + "spans": [], + "index": 28 + }, + { + "bbox": [ + 162, + 514.6818181818181, + 452, + 529.0 + ], + "spans": [], + "index": 29 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 537, + 505, + 603 + ], + "lines": [ + { + "bbox": [ + 105, + 536, + 505, + 559 + ], + "spans": [ + { + "bbox": [ + 105, + 540, + 311, + 558 + ], + "score": 1.0, + "content": "Therefore, we have µ˜N ≤ µN 7. Since maxi∈[N]", + "type": "text" + }, + { + "bbox": [ + 266, + 536, + 381, + 559 + ], + "score": 0.94, + "content": "\\begin{array} { r } { \\operatorname* { m a x } _ { i \\in [ N ] } \\left( \\frac { \\deg ( i ) } { \\deg ( i ) + 1 } \\right) ^ { \\frac { 1 } { 2 } } < 1 } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 381, + 542, + 435, + 556 + ], + "score": 1.0, + "content": ", the equality", + "type": "text" + }, + { + "bbox": [ + 435, + 544, + 479, + 555 + ], + "score": 0.92, + "content": "\\tilde { \\mu } _ { N } = \\mu _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 479, + 542, + 505, + 556 + ], + "score": 1.0, + "content": "holds", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 105, + 557, + 505, + 570 + ], + "spans": [ + { + "bbox": [ + 105, + 557, + 164, + 570 + ], + "score": 1.0, + "content": "if and only if", + "type": "text" + }, + { + "bbox": [ + 164, + 558, + 200, + 569 + ], + "score": 0.91, + "content": "\\mu _ { N } = 0", + "type": "inline_equation" + }, + { + "bbox": [ + 201, + 557, + 236, + 570 + ], + "score": 1.0, + "content": ", that is,", + "type": "text" + }, + { + "bbox": [ + 236, + 558, + 245, + 568 + ], + "score": 0.81, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 246, + 557, + 264, + 570 + ], + "score": 1.0, + "content": "has", + "type": "text" + }, + { + "bbox": [ + 264, + 558, + 275, + 568 + ], + "score": 0.83, + "content": "N", + "type": "inline_equation" + }, + { + "bbox": [ + 275, + 557, + 505, + 570 + ], + "score": 1.0, + "content": "connected components. On the other hand, it is known", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 106, + 568, + 506, + 581 + ], + "spans": [ + { + "bbox": [ + 106, + 568, + 124, + 581 + ], + "score": 1.0, + "content": "that", + "type": "text" + }, + { + "bbox": [ + 124, + 569, + 159, + 580 + ], + "score": 0.91, + "content": "\\mu _ { N } \\leq 2", + "type": "inline_equation" + }, + { + "bbox": [ + 160, + 568, + 309, + 581 + ], + "score": 1.0, + "content": "and the equality holds if and only if", + "type": "text" + }, + { + "bbox": [ + 309, + 569, + 319, + 579 + ], + "score": 0.8, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 319, + 568, + 506, + 581 + ], + "score": 1.0, + "content": "has non-trivial bipartite graph as a connected", + "type": "text" + } + ], + "index": 32 + }, + { + "bbox": [ + 105, + 579, + 506, + 592 + ], + "spans": [ + { + "bbox": [ + 105, + 579, + 224, + 592 + ], + "score": 1.0, + "content": "component (see, e.g., Chung", + "type": "text" + }, + { + "bbox": [ + 224, + 580, + 233, + 590 + ], + "score": 0.51, + "content": "\\&", + "type": "inline_equation" + }, + { + "bbox": [ + 234, + 579, + 351, + 592 + ], + "score": 1.0, + "content": "Graham (1997)). Therefore,", + "type": "text" + }, + { + "bbox": [ + 351, + 580, + 393, + 591 + ], + "score": 0.91, + "content": "\\tilde { \\mu } _ { N } = \\mu _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 394, + 579, + 412, + 592 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 412, + 580, + 447, + 591 + ], + "score": 0.9, + "content": "\\mu _ { N } = 2", + "type": "inline_equation" + }, + { + "bbox": [ + 447, + 579, + 506, + 592 + ], + "score": 1.0, + "content": "does not hold", + "type": "text" + } + ], + "index": 33 + }, + { + "bbox": [ + 106, + 591, + 506, + 602 + ], + "spans": [ + { + "bbox": [ + 106, + 591, + 227, + 602 + ], + "score": 1.0, + "content": "simultaneously and we obtain", + "type": "text" + }, + { + "bbox": [ + 228, + 591, + 261, + 602 + ], + "score": 0.9, + "content": "\\mu _ { N } < 2", + "type": "inline_equation" + }, + { + "bbox": [ + 261, + 591, + 264, + 602 + ], + "score": 1.0, + "content": ".", + "type": "text" + }, + { + "bbox": [ + 493, + 591, + 506, + 602 + ], + "score": 0.996, + "content": "□", + "type": "text" + } + ], + "index": 34 + } + ], + "index": 32, + "bbox_fs": [ + 105, + 536, + 506, + 602 + ] + }, + { + "type": "title", + "bbox": [ + 107, + 618, + 480, + 645 + ], + "lines": [ + { + "bbox": [ + 105, + 617, + 482, + 632 + ], + "spans": [ + { + "bbox": [ + 105, + 617, + 482, + 632 + ], + "score": 1.0, + "content": "C COUNTEREXAMPLE OF PREVIOUS STUDY ON OVER-SMOOTHING FOR", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 126, + 632, + 234, + 645 + ], + "spans": [ + { + "bbox": [ + 126, + 632, + 234, + 645 + ], + "score": 1.0, + "content": "NON-LINEAR GNNS", + "type": "text" + } + ], + "index": 36 + } + ], + "index": 35.5 + }, + { + "type": "text", + "bbox": [ + 106, + 656, + 505, + 692 + ], + "lines": [ + { + "bbox": [ + 106, + 656, + 506, + 670 + ], + "spans": [ + { + "bbox": [ + 106, + 656, + 352, + 670 + ], + "score": 1.0, + "content": "We restate Theorem 1 of the preprint (version2) of Luan et al.", + "type": "text" + }, + { + "bbox": [ + 352, + 657, + 383, + 668 + ], + "score": 0.79, + "content": "( 2 0 1 9 ) ^ { 8 }", + "type": "inline_equation" + }, + { + "bbox": [ + 383, + 656, + 403, + 670 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 403, + 657, + 412, + 667 + ], + "score": 0.82, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 413, + 656, + 506, + 670 + ], + "score": 1.0, + "content": "be a simple undirected", + "type": "text" + } + ], + "index": 37 + }, + { + "bbox": [ + 105, + 668, + 505, + 681 + ], + "spans": [ + { + "bbox": [ + 105, + 668, + 152, + 681 + ], + "score": 1.0, + "content": "graph with", + "type": "text" + }, + { + "bbox": [ + 152, + 669, + 163, + 678 + ], + "score": 0.8, + "content": "N", + "type": "inline_equation" + }, + { + "bbox": [ + 163, + 668, + 207, + 681 + ], + "score": 1.0, + "content": "nodes and", + "type": "text" + }, + { + "bbox": [ + 207, + 669, + 214, + 678 + ], + "score": 0.8, + "content": "k", + "type": "inline_equation" + }, + { + "bbox": [ + 214, + 668, + 505, + 681 + ], + "score": 1.0, + "content": "connected components such that it does not have a bipartite component.", + "type": "text" + } + ], + "index": 38 + }, + { + "bbox": [ + 104, + 677, + 506, + 694 + ], + "spans": [ + { + "bbox": [ + 104, + 677, + 122, + 694 + ], + "score": 1.0, + "content": "Let", + "type": "text" + }, + { + "bbox": [ + 122, + 679, + 247, + 690 + ], + "score": 0.91, + "content": "L = \\tilde { D } ^ { - 1 / 2 } \\tilde { A } \\tilde { D } ^ { - 1 / 2 } \\in \\mathbb { R } ^ { N \\times N }", + "type": "inline_equation" + }, + { + "bbox": [ + 247, + 677, + 421, + 694 + ], + "score": 1.0, + "content": "be the augmented normalized Laplacian of", + "type": "text" + }, + { + "bbox": [ + 422, + 681, + 431, + 690 + ], + "score": 0.79, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 431, + 677, + 451, + 694 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 451, + 680, + 487, + 692 + ], + "score": 0.92, + "content": "F \\in \\mathbb { N } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 487, + 677, + 506, + 694 + ], + "score": 1.0, + "content": "and", + "type": "text" + } + ], + "index": 39 + } + ], + "index": 38, + "bbox_fs": [ + 104, + 656, + 506, + 694 + ] + } + ] + }, + { + "preproc_blocks": [ + { + "type": "text", + "bbox": [ + 106, + 81, + 505, + 138 + ], + "lines": [ + { + "bbox": [ + 107, + 79, + 506, + 96 + ], + "spans": [ + { + "bbox": [ + 107, + 81, + 163, + 93 + ], + "score": 0.91, + "content": "W _ { n } \\in \\mathbb { R } ^ { F \\times F }", + "type": "inline_equation" + }, + { + "bbox": [ + 164, + 79, + 250, + 96 + ], + "score": 1.0, + "content": "be the weight of the", + "type": "text" + }, + { + "bbox": [ + 250, + 84, + 258, + 92 + ], + "score": 0.78, + "content": "n", + "type": "inline_equation" + }, + { + "bbox": [ + 258, + 79, + 308, + 96 + ], + "score": 1.0, + "content": "-th layer for", + "type": "text" + }, + { + "bbox": [ + 308, + 83, + 344, + 94 + ], + "score": 0.91, + "content": "n \\in \\mathbb { N } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 344, + 79, + 406, + 96 + ], + "score": 1.0, + "content": ". For the input", + "type": "text" + }, + { + "bbox": [ + 407, + 81, + 459, + 93 + ], + "score": 0.91, + "content": "X \\in \\mathbb { R } ^ { N \\times F }", + "type": "inline_equation" + }, + { + "bbox": [ + 459, + 79, + 506, + 96 + ], + "score": 1.0, + "content": ", we define", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 104, + 89, + 504, + 108 + ], + "spans": [ + { + "bbox": [ + 104, + 89, + 150, + 108 + ], + "score": 1.0, + "content": "the output", + "type": "text" + }, + { + "bbox": [ + 150, + 93, + 204, + 105 + ], + "score": 0.93, + "content": "Y _ { n } \\in \\mathbb { R } ^ { N \\times F }", + "type": "inline_equation" + }, + { + "bbox": [ + 204, + 89, + 232, + 108 + ], + "score": 1.0, + "content": "of the", + "type": "text" + }, + { + "bbox": [ + 232, + 95, + 239, + 104 + ], + "score": 0.77, + "content": "n", + "type": "inline_equation" + }, + { + "bbox": [ + 240, + 89, + 331, + 108 + ], + "score": 1.0, + "content": "-th layer of a GCN by", + "type": "text" + }, + { + "bbox": [ + 331, + 93, + 467, + 106 + ], + "score": 0.91, + "content": "Y _ { n } = \\sigma ( L \\cdot \\cdot \\cdot \\sigma ( L X W _ { 0 } ) \\cdot \\cdot \\cdot W _ { n } )", + "type": "inline_equation" + }, + { + "bbox": [ + 468, + 89, + 496, + 108 + ], + "score": 1.0, + "content": "where", + "type": "text" + }, + { + "bbox": [ + 496, + 96, + 504, + 103 + ], + "score": 0.74, + "content": "\\sigma", + "type": "inline_equation" + } + ], + "index": 1 + }, + { + "bbox": [ + 103, + 102, + 506, + 118 + ], + "spans": [ + { + "bbox": [ + 103, + 102, + 285, + 118 + ], + "score": 1.0, + "content": "is the ReLU function. We assume the input", + "type": "text" + }, + { + "bbox": [ + 286, + 105, + 296, + 114 + ], + "score": 0.85, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 296, + 102, + 473, + 118 + ], + "score": 1.0, + "content": "is drawn from a continuous distribution on", + "type": "text" + }, + { + "bbox": [ + 473, + 104, + 501, + 114 + ], + "score": 0.9, + "content": "\\mathbb { R } ^ { N \\times F }", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 102, + 506, + 118 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 2 + }, + { + "bbox": [ + 105, + 113, + 506, + 129 + ], + "spans": [ + { + "bbox": [ + 105, + 113, + 268, + 129 + ], + "score": 1.0, + "content": "Then, the theorem claims that we have", + "type": "text" + }, + { + "bbox": [ + 268, + 115, + 367, + 127 + ], + "score": 0.73, + "content": "\\begin{array} { r } { \\operatorname* { l i m } _ { n \\to \\infty } \\operatorname { r a n k } ( Y _ { n } ) = k } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 367, + 113, + 506, + 129 + ], + "score": 1.0, + "content": "almost surely with respect to the", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 106, + 126, + 180, + 138 + ], + "spans": [ + { + "bbox": [ + 106, + 126, + 165, + 138 + ], + "score": 1.0, + "content": "distribution of", + "type": "text" + }, + { + "bbox": [ + 166, + 127, + 176, + 136 + ], + "score": 0.82, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 176, + 126, + 180, + 138 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 4 + } + ], + "index": 2 + }, + { + "type": "text", + "bbox": [ + 107, + 142, + 504, + 166 + ], + "lines": [ + { + "bbox": [ + 105, + 141, + 505, + 157 + ], + "spans": [ + { + "bbox": [ + 105, + 141, + 308, + 157 + ], + "score": 1.0, + "content": "We construct a conterexample. Consider a graph", + "type": "text" + }, + { + "bbox": [ + 309, + 144, + 318, + 154 + ], + "score": 0.82, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 318, + 141, + 375, + 157 + ], + "score": 1.0, + "content": "consisting of", + "type": "text" + }, + { + "bbox": [ + 375, + 144, + 406, + 154 + ], + "score": 0.91, + "content": "N = 4", + "type": "inline_equation" + }, + { + "bbox": [ + 406, + 141, + 505, + 157 + ], + "score": 1.0, + "content": "nodes whose adjacency", + "type": "text" + } + ], + "index": 5 + }, + { + "bbox": [ + 105, + 154, + 145, + 166 + ], + "spans": [ + { + "bbox": [ + 105, + 154, + 145, + 166 + ], + "score": 1.0, + "content": "matrix is", + "type": "text" + } + ], + "index": 6 + } + ], + "index": 5.5 + }, + { + "type": "interline_equation", + "bbox": [ + 259, + 169, + 351, + 217 + ], + "lines": [ + { + "bbox": [ + 259, + 169, + 351, + 217 + ], + "spans": [ + { + "bbox": [ + 259, + 169, + 351, + 217 + ], + "score": 0.94, + "content": "A = { \\left[ \\begin{array} { l l l l } { 1 } & { 1 } & { 1 } & { 1 } \\\\ { 1 } & { 1 } & { 1 } & { 0 } \\\\ { 1 } & { 1 } & { 1 } & { 0 } \\\\ { 1 } & { 0 } & { 0 } & { 1 } \\end{array} \\right] } ~ .", + "type": "interline_equation", + "image_path": "7a5e18ea3dc07a33bee281a590ef95fa607fa5f03975c7fdc507c908ced32b73.jpg" + } + ] + } + ], + "index": 7.5, + "virtual_lines": [ + { + "bbox": [ + 259, + 169, + 351, + 193.0 + ], + "spans": [], + "index": 7 + }, + { + "bbox": [ + 259, + 193.0, + 351, + 217.0 + ], + "spans": [], + "index": 8 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 221, + 505, + 278 + ], + "lines": [ + { + "bbox": [ + 106, + 222, + 505, + 234 + ], + "spans": [ + { + "bbox": [ + 106, + 222, + 146, + 234 + ], + "score": 1.0, + "content": "Note that", + "type": "text" + }, + { + "bbox": [ + 147, + 223, + 156, + 232 + ], + "score": 0.83, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 156, + 222, + 231, + 234 + ], + "score": 1.0, + "content": "is connected (i.e.,", + "type": "text" + }, + { + "bbox": [ + 231, + 222, + 258, + 232 + ], + "score": 0.89, + "content": "k = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 258, + 222, + 437, + 234 + ], + "score": 1.0, + "content": ") and is not bipartite. We make a GCN with", + "type": "text" + }, + { + "bbox": [ + 437, + 223, + 466, + 232 + ], + "score": 0.91, + "content": "F = 3", + "type": "inline_equation" + }, + { + "bbox": [ + 466, + 222, + 505, + 234 + ], + "score": 1.0, + "content": "channels", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 106, + 233, + 505, + 246 + ], + "spans": [ + { + "bbox": [ + 106, + 233, + 237, + 246 + ], + "score": 1.0, + "content": "and whose weight matrices are", + "type": "text" + }, + { + "bbox": [ + 237, + 234, + 279, + 245 + ], + "score": 0.92, + "content": "W _ { n } \\ = \\ I _ { 3 }", + "type": "inline_equation" + }, + { + "bbox": [ + 279, + 233, + 435, + 246 + ], + "score": 1.0, + "content": "(the identity matrix of size 3) for all", + "type": "text" + }, + { + "bbox": [ + 435, + 234, + 466, + 244 + ], + "score": 0.89, + "content": "n \\in \\mathbb N", + "type": "inline_equation" + }, + { + "bbox": [ + 466, + 233, + 505, + 246 + ], + "score": 1.0, + "content": ". For the", + "type": "text" + } + ], + "index": 10 + }, + { + "bbox": [ + 106, + 244, + 505, + 256 + ], + "spans": [ + { + "bbox": [ + 106, + 244, + 207, + 256 + ], + "score": 1.0, + "content": "distribution of the input", + "type": "text" + }, + { + "bbox": [ + 207, + 245, + 217, + 254 + ], + "score": 0.8, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 217, + 244, + 505, + 256 + ], + "score": 1.0, + "content": ", we consider an absolutely continuous distribution with respect to the", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 104, + 252, + 506, + 268 + ], + "spans": [ + { + "bbox": [ + 104, + 252, + 199, + 268 + ], + "score": 1.0, + "content": "Lebesgue measure on", + "type": "text" + }, + { + "bbox": [ + 199, + 254, + 222, + 265 + ], + "score": 0.9, + "content": "\\mathbb { R } ^ { 4 \\times 3 }", + "type": "inline_equation" + }, + { + "bbox": [ + 223, + 252, + 266, + 268 + ], + "score": 1.0, + "content": "such that", + "type": "text" + }, + { + "bbox": [ + 266, + 255, + 339, + 267 + ], + "score": 0.92, + "content": "P ( X \\geq 0 ) ~ { \\stackrel { . } { > } } ~ 0", + "type": "inline_equation" + }, + { + "bbox": [ + 339, + 252, + 368, + 268 + ], + "score": 1.0, + "content": "(here,", + "type": "text" + }, + { + "bbox": [ + 368, + 255, + 402, + 266 + ], + "score": 0.9, + "content": "X ~ \\geq ~ 0", + "type": "inline_equation" + }, + { + "bbox": [ + 402, + 252, + 506, + 268 + ], + "score": 1.0, + "content": "means the element-wise", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 105, + 266, + 446, + 279 + ], + "spans": [ + { + "bbox": [ + 105, + 266, + 446, + 279 + ], + "score": 1.0, + "content": "comparison). For example, the standard Gaussian distribution satisfies the condition.", + "type": "text" + } + ], + "index": 13 + } + ], + "index": 11 + }, + { + "type": "text", + "bbox": [ + 107, + 281, + 505, + 327 + ], + "lines": [ + { + "bbox": [ + 105, + 282, + 505, + 295 + ], + "spans": [ + { + "bbox": [ + 105, + 282, + 131, + 295 + ], + "score": 1.0, + "content": "Since", + "type": "text" + }, + { + "bbox": [ + 132, + 283, + 159, + 294 + ], + "score": 0.9, + "content": "L \\geq 0", + "type": "inline_equation" + }, + { + "bbox": [ + 160, + 282, + 200, + 295 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + }, + { + "bbox": [ + 200, + 283, + 248, + 294 + ], + "score": 0.91, + "content": "Y _ { n } = L ^ { n } X", + "type": "inline_equation" + }, + { + "bbox": [ + 249, + 282, + 259, + 295 + ], + "score": 1.0, + "content": "if", + "type": "text" + }, + { + "bbox": [ + 259, + 283, + 289, + 294 + ], + "score": 0.9, + "content": "X \\geq 0", + "type": "inline_equation" + }, + { + "bbox": [ + 290, + 282, + 311, + 295 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 312, + 282, + 364, + 293 + ], + "score": 0.91, + "content": "{ \\cal L } = { \\cal P } ^ { \\top } \\Delta { \\cal P }", + "type": "inline_equation" + }, + { + "bbox": [ + 364, + 282, + 468, + 295 + ], + "score": 1.0, + "content": "be the diagonalization of", + "type": "text" + }, + { + "bbox": [ + 469, + 284, + 477, + 293 + ], + "score": 0.82, + "content": "L", + "type": "inline_equation" + }, + { + "bbox": [ + 477, + 282, + 505, + 295 + ], + "score": 1.0, + "content": "where", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 107, + 293, + 504, + 307 + ], + "spans": [ + { + "bbox": [ + 107, + 294, + 149, + 306 + ], + "score": 0.92, + "content": "P \\in O ( 4 )", + "type": "inline_equation" + }, + { + "bbox": [ + 149, + 293, + 311, + 307 + ], + "score": 1.0, + "content": "is an orthogonal matrix of size 4. Since", + "type": "text" + }, + { + "bbox": [ + 312, + 294, + 365, + 306 + ], + "score": 0.81, + "content": "\\mathrm { r a n k } ( L ) = 3", + "type": "inline_equation" + }, + { + "bbox": [ + 365, + 293, + 405, + 307 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + }, + { + "bbox": [ + 405, + 294, + 464, + 306 + ], + "score": 0.91, + "content": "{ \\bar { \\operatorname { r a n k } } } ( \\Lambda ^ { n } ) = 3", + "type": "inline_equation" + }, + { + "bbox": [ + 464, + 293, + 496, + 307 + ], + "score": 1.0, + "content": "for any", + "type": "text" + }, + { + "bbox": [ + 497, + 296, + 504, + 304 + ], + "score": 0.72, + "content": "n", + "type": "inline_equation" + } + ], + "index": 15 + }, + { + "bbox": [ + 105, + 305, + 505, + 318 + ], + "spans": [ + { + "bbox": [ + 105, + 305, + 189, + 318 + ], + "score": 1.0, + "content": "(we can assume that", + "type": "text" + }, + { + "bbox": [ + 189, + 305, + 224, + 316 + ], + "score": 0.93, + "content": "\\Lambda _ { 4 4 } = 0", + "type": "inline_equation" + }, + { + "bbox": [ + 224, + 305, + 459, + 318 + ], + "score": 1.0, + "content": "without loss of generality). Therefore, under the condition", + "type": "text" + }, + { + "bbox": [ + 459, + 306, + 487, + 316 + ], + "score": 0.91, + "content": "X \\geq 0", + "type": "inline_equation" + }, + { + "bbox": [ + 487, + 305, + 505, + 318 + ], + "score": 1.0, + "content": ", we", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 105, + 315, + 129, + 328 + ], + "spans": [ + { + "bbox": [ + 105, + 315, + 129, + 328 + ], + "score": 1.0, + "content": "have", + "type": "text" + } + ], + "index": 17 + } + ], + "index": 15.5 + }, + { + "type": "interline_equation", + "bbox": [ + 149, + 331, + 461, + 366 + ], + "lines": [ + { + "bbox": [ + 149, + 331, + 461, + 366 + ], + "spans": [ + { + "bbox": [ + 149, + 331, + 461, + 366 + ], + "score": 0.87, + "content": "\\begin{array} { r l } & { \\mathrm { r a n k } ( Y _ { n } ) = 3 \\iff \\mathrm { r a n k } ( P ^ { \\top } \\Lambda ^ { n } P X ) = 3 } \\\\ & { \\qquad \\iff X \\in \\{ P ^ { - 1 } \\left[ B \\quad v \\right] ^ { \\top } | B \\in \\mathbb { R } ^ { 3 \\times 3 } \\mathrm { i s ~ i n v e r t i b l e } , v \\in \\mathbb { R } ^ { 3 } \\} . } \\end{array}", + "type": "interline_equation", + "image_path": "a6c4bcffddae18f22db6c3010b3d23d09c517d0a82c87531f0c12ddcfa294be5.jpg" + } + ] + } + ], + "index": 19, + "virtual_lines": [ + { + "bbox": [ + 149, + 331, + 461, + 342.6666666666667 + ], + "spans": [], + "index": 18 + }, + { + "bbox": [ + 149, + 342.6666666666667, + 461, + 354.33333333333337 + ], + "spans": [], + "index": 19 + }, + { + "bbox": [ + 149, + 354.33333333333337, + 461, + 366.00000000000006 + ], + "spans": [], + "index": 20 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 370, + 505, + 415 + ], + "lines": [ + { + "bbox": [ + 105, + 370, + 505, + 383 + ], + "spans": [ + { + "bbox": [ + 105, + 370, + 290, + 383 + ], + "score": 1.0, + "content": "Note that the last condition is independent of", + "type": "text" + }, + { + "bbox": [ + 291, + 373, + 298, + 380 + ], + "score": 0.78, + "content": "n", + "type": "inline_equation" + }, + { + "bbox": [ + 298, + 370, + 505, + 383 + ], + "score": 1.0, + "content": ". Since the set of invertible matrices is dense in the", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 105, + 381, + 505, + 393 + ], + "spans": [ + { + "bbox": [ + 105, + 381, + 505, + 393 + ], + "score": 1.0, + "content": "set of all matrices of the same size (with respect to the standard topology of the Euclidean space),", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 105, + 392, + 507, + 406 + ], + "spans": [ + { + "bbox": [ + 105, + 392, + 141, + 406 + ], + "score": 1.0, + "content": "we have", + "type": "text" + }, + { + "bbox": [ + 142, + 392, + 216, + 405 + ], + "score": 0.92, + "content": "P ( \\{ \\mathrm { r a n k } ( Y _ { n } ) = 3 ", + "type": "inline_equation" + }, + { + "bbox": [ + 216, + 392, + 244, + 406 + ], + "score": 1.0, + "content": "for all", + "type": "text" + }, + { + "bbox": [ + 245, + 392, + 298, + 405 + ], + "score": 0.79, + "content": "n \\in \\mathbb { N } \\} ) > 0", + "type": "inline_equation" + }, + { + "bbox": [ + 298, + 392, + 381, + 406 + ], + "score": 1.0, + "content": ". Therefore, we have", + "type": "text" + }, + { + "bbox": [ + 382, + 392, + 477, + 405 + ], + "score": 0.77, + "content": "\\begin{array} { r } { \\operatorname* { l i m } _ { n \\infty } \\operatorname { r a n k } ( Y _ { n } ) = 3 } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 477, + 392, + 507, + 406 + ], + "score": 1.0, + "content": "with a", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 105, + 403, + 505, + 417 + ], + "spans": [ + { + "bbox": [ + 105, + 403, + 193, + 417 + ], + "score": 1.0, + "content": "non-zero probability.", + "type": "text" + }, + { + "bbox": [ + 494, + 403, + 505, + 414 + ], + "score": 1.0, + "content": "□", + "type": "text" + } + ], + "index": 24 + } + ], + "index": 22.5 + }, + { + "type": "title", + "bbox": [ + 108, + 431, + 245, + 444 + ], + "lines": [ + { + "bbox": [ + 105, + 430, + 245, + 446 + ], + "spans": [ + { + "bbox": [ + 105, + 430, + 245, + 446 + ], + "score": 1.0, + "content": "D PROOF OF THEOREM 3", + "type": "text" + } + ], + "index": 25 + } + ], + "index": 25 + }, + { + "type": "text", + "bbox": [ + 106, + 456, + 505, + 501 + ], + "lines": [ + { + "bbox": [ + 105, + 455, + 505, + 469 + ], + "spans": [ + { + "bbox": [ + 105, + 455, + 505, + 469 + ], + "score": 1.0, + "content": "We follow the proof of Theorem 2 of Chung & Radcliffe (2011). The idea is to relate the spectral", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 106, + 468, + 505, + 480 + ], + "spans": [ + { + "bbox": [ + 106, + 468, + 505, + 480 + ], + "score": 1.0, + "content": "distribution of the normalized Laplacian with that of its expected version. Since we can compute", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 105, + 479, + 505, + 492 + ], + "spans": [ + { + "bbox": [ + 105, + 479, + 505, + 492 + ], + "score": 1.0, + "content": "the latter one explicitly for the Erdos-R ˝ enyi graph, we can derive the convergence of spectra. We ´", + "type": "text" + } + ], + "index": 28 + }, + { + "bbox": [ + 105, + 490, + 483, + 503 + ], + "spans": [ + { + "bbox": [ + 105, + 490, + 483, + 503 + ], + "score": 1.0, + "content": "employ this technique and derive similar conclusion for the augmented normalized Laplacian.", + "type": "text" + } + ], + "index": 29 + } + ], + "index": 27.5 + }, + { + "type": "text", + "bbox": [ + 106, + 506, + 505, + 626 + ], + "lines": [ + { + "bbox": [ + 105, + 506, + 505, + 519 + ], + "spans": [ + { + "bbox": [ + 105, + 506, + 444, + 519 + ], + "score": 1.0, + "content": "First, we consider genral random graphs not restricted to Erdos-R ˝ enyi graphs. Let ´", + "type": "text" + }, + { + "bbox": [ + 445, + 507, + 483, + 518 + ], + "score": 0.9, + "content": "N \\in { \\mathbb { N } } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 484, + 506, + 505, + 519 + ], + "score": 1.0, + "content": ", and", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 107, + 515, + 506, + 533 + ], + "spans": [ + { + "bbox": [ + 107, + 518, + 177, + 531 + ], + "score": 0.92, + "content": "P = ( p _ { i j } ) _ { i , j \\in [ N ] }", + "type": "inline_equation" + }, + { + "bbox": [ + 177, + 515, + 387, + 533 + ], + "score": 1.0, + "content": "be a non-negative symmetric matrix (meaning that", + "type": "text" + }, + { + "bbox": [ + 387, + 518, + 421, + 530 + ], + "score": 0.92, + "content": "p _ { i j } \\geq 0", + "type": "inline_equation" + }, + { + "bbox": [ + 421, + 515, + 455, + 533 + ], + "score": 1.0, + "content": "for any", + "type": "text" + }, + { + "bbox": [ + 455, + 518, + 500, + 529 + ], + "score": 0.9, + "content": "i , j \\in [ N ] )", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 515, + 506, + 533 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 105, + 528, + 506, + 542 + ], + "spans": [ + { + "bbox": [ + 105, + 528, + 123, + 542 + ], + "score": 1.0, + "content": "Let", + "type": "text" + }, + { + "bbox": [ + 123, + 530, + 133, + 539 + ], + "score": 0.76, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 133, + 528, + 287, + 542 + ], + "score": 1.0, + "content": "be an undirected random graph with", + "type": "text" + }, + { + "bbox": [ + 288, + 529, + 298, + 539 + ], + "score": 0.8, + "content": "N", + "type": "inline_equation" + }, + { + "bbox": [ + 298, + 528, + 438, + 542 + ], + "score": 1.0, + "content": "nodes such that an edge between", + "type": "text" + }, + { + "bbox": [ + 439, + 530, + 444, + 539 + ], + "score": 0.73, + "content": "i", + "type": "inline_equation" + }, + { + "bbox": [ + 444, + 528, + 463, + 542 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 464, + 530, + 470, + 541 + ], + "score": 0.82, + "content": "j", + "type": "inline_equation" + }, + { + "bbox": [ + 470, + 528, + 506, + 542 + ], + "score": 1.0, + "content": "is inde-", + "type": "text" + } + ], + "index": 32 + }, + { + "bbox": [ + 105, + 540, + 506, + 553 + ], + "spans": [ + { + "bbox": [ + 105, + 540, + 248, + 553 + ], + "score": 1.0, + "content": "pendently present with probability", + "type": "text" + }, + { + "bbox": [ + 248, + 541, + 262, + 551 + ], + "score": 0.82, + "content": "p _ { i j }", + "type": "inline_equation" + }, + { + "bbox": [ + 262, + 540, + 284, + 553 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 285, + 540, + 294, + 550 + ], + "score": 0.8, + "content": "A", + "type": "inline_equation" + }, + { + "bbox": [ + 294, + 540, + 312, + 553 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 313, + 540, + 322, + 550 + ], + "score": 0.82, + "content": "D", + "type": "inline_equation" + }, + { + "bbox": [ + 323, + 540, + 506, + 553 + ], + "score": 1.0, + "content": "be the adjacency and the degree matrices of", + "type": "text" + } + ], + "index": 33 + }, + { + "bbox": [ + 107, + 550, + 506, + 565 + ], + "spans": [ + { + "bbox": [ + 107, + 551, + 115, + 560 + ], + "score": 0.77, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 116, + 550, + 207, + 565 + ], + "score": 1.0, + "content": ", respectively (that is,", + "type": "text" + }, + { + "bbox": [ + 208, + 551, + 275, + 563 + ], + "score": 0.89, + "content": "A _ { i j } \\sim \\mathrm { B e r } ( p _ { i j } )", + "type": "inline_equation" + }, + { + "bbox": [ + 276, + 550, + 485, + 565 + ], + "score": 1.0, + "content": ", i.i.d.). Define the expected node degree of node", + "type": "text" + }, + { + "bbox": [ + 485, + 551, + 491, + 560 + ], + "score": 0.7, + "content": "i", + "type": "inline_equation" + }, + { + "bbox": [ + 491, + 550, + 506, + 565 + ], + "score": 1.0, + "content": "by", + "type": "text" + } + ], + "index": 34 + }, + { + "bbox": [ + 106, + 562, + 507, + 579 + ], + "spans": [ + { + "bbox": [ + 106, + 562, + 174, + 578 + ], + "score": 0.92, + "content": "\\begin{array} { r } { t _ { i } : = \\sum _ { j = 1 } ^ { N } p _ { i j } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 174, + 563, + 200, + 579 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 200, + 563, + 263, + 576 + ], + "score": 0.85, + "content": "{ \\tilde { A } } : = A + I _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 263, + 563, + 269, + 579 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 269, + 563, + 335, + 576 + ], + "score": 0.9, + "content": "{ \\tilde { D } } : = D + I _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 335, + 563, + 384, + 579 + ], + "score": 1.0, + "content": "and define", + "type": "text" + }, + { + "bbox": [ + 384, + 562, + 486, + 576 + ], + "score": 0.93, + "content": "{ \\bar { A } } : = \\mathbb { E } [ { \\tilde { A } } ] = P + I _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 486, + 563, + 507, + 579 + ], + "score": 1.0, + "content": "and", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 106, + 576, + 506, + 594 + ], + "spans": [ + { + "bbox": [ + 106, + 578, + 256, + 591 + ], + "score": 0.88, + "content": "\\bar { D } : = \\mathbb { E } [ \\tilde { D } ] = \\mathrm { d i a g } ( t _ { 1 } , \\dots , t _ { N } ) + I _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 257, + 576, + 506, + 594 + ], + "score": 1.0, + "content": "correspondingly. We define the augmented normalized Lapla-", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 104, + 589, + 503, + 604 + ], + "spans": [ + { + "bbox": [ + 104, + 589, + 126, + 604 + ], + "score": 1.0, + "content": "cian", + "type": "text" + }, + { + "bbox": [ + 127, + 591, + 137, + 602 + ], + "score": 0.83, + "content": "\\tilde { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 137, + 589, + 150, + 604 + ], + "score": 1.0, + "content": "of", + "type": "text" + }, + { + "bbox": [ + 151, + 592, + 160, + 602 + ], + "score": 0.8, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 160, + 589, + 176, + 604 + ], + "score": 1.0, + "content": "by", + "type": "text" + }, + { + "bbox": [ + 176, + 590, + 280, + 603 + ], + "score": 0.85, + "content": "\\tilde { \\Delta } : = I _ { N } - \\tilde { D } ^ { - \\frac { 1 } { 2 } } \\tilde { A } \\tilde { D } ^ { - \\frac { 1 } { 2 } }", + "type": "inline_equation" + }, + { + "bbox": [ + 280, + 589, + 399, + 604 + ], + "score": 1.0, + "content": "and its expected version by", + "type": "text" + }, + { + "bbox": [ + 399, + 590, + 503, + 603 + ], + "score": 0.92, + "content": "\\bar { \\Delta } : = I _ { N } - \\bar { D } ^ { - \\frac { 1 } { 2 } } \\bar { A } \\bar { D } ^ { - \\frac { 1 } { 2 } }", + "type": "inline_equation" + } + ], + "index": 37 + }, + { + "bbox": [ + 104, + 600, + 505, + 617 + ], + "spans": [ + { + "bbox": [ + 104, + 600, + 223, + 617 + ], + "score": 1.0, + "content": "9. For a symmetric matrix", + "type": "text" + }, + { + "bbox": [ + 223, + 602, + 266, + 613 + ], + "score": 0.88, + "content": "X ~ \\in ~ \\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 266, + 600, + 505, + 617 + ], + "score": 1.0, + "content": ", we define its eigenvalues, sorted in ascending order by", + "type": "text" + } + ], + "index": 38 + }, + { + "bbox": [ + 106, + 613, + 419, + 627 + ], + "spans": [ + { + "bbox": [ + 106, + 613, + 203, + 626 + ], + "score": 0.93, + "content": "\\lambda _ { 1 } ( X ) \\leq \\cdots \\leq \\lambda _ { N } ( X )", + "type": "inline_equation" + }, + { + "bbox": [ + 203, + 613, + 305, + 627 + ], + "score": 1.0, + "content": "and its operator norm by", + "type": "text" + }, + { + "bbox": [ + 305, + 613, + 414, + 627 + ], + "score": 0.93, + "content": "\\| X \\| = \\operatorname* { i n a x } _ { n \\in [ N ] } | \\lambda _ { n } ( X ) |", + "type": "inline_equation" + }, + { + "bbox": [ + 415, + 613, + 419, + 627 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 39 + } + ], + "index": 34.5 + }, + { + "type": "text", + "bbox": [ + 106, + 628, + 505, + 663 + ], + "lines": [ + { + "bbox": [ + 105, + 627, + 505, + 642 + ], + "spans": [ + { + "bbox": [ + 105, + 627, + 360, + 642 + ], + "score": 1.0, + "content": "Lemma 5 (Ref. Chung & Radcliffe (2011) Theorem 2). Let", + "type": "text" + }, + { + "bbox": [ + 360, + 629, + 435, + 641 + ], + "score": 0.89, + "content": "\\delta : = \\mathrm { m i n } _ { n \\in [ N ] } t _ { n }", + "type": "inline_equation" + }, + { + "bbox": [ + 435, + 627, + 505, + 642 + ], + "score": 1.0, + "content": "be the minimum", + "type": "text" + } + ], + "index": 40 + }, + { + "bbox": [ + 105, + 641, + 505, + 654 + ], + "spans": [ + { + "bbox": [ + 105, + 641, + 183, + 654 + ], + "score": 1.0, + "content": "expected degree of", + "type": "text" + }, + { + "bbox": [ + 183, + 641, + 192, + 651 + ], + "score": 0.71, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 192, + 641, + 211, + 654 + ], + "score": 1.0, + "content": ". Set", + "type": "text" + }, + { + "bbox": [ + 211, + 641, + 310, + 653 + ], + "score": 0.92, + "content": "k ( \\varepsilon ) : = 3 ( 1 + \\log ( 4 / \\varepsilon ) )", + "type": "inline_equation" + }, + { + "bbox": [ + 311, + 641, + 371, + 654 + ], + "score": 1.0, + "content": ". Then, for any", + "type": "text" + }, + { + "bbox": [ + 372, + 642, + 396, + 652 + ], + "score": 0.83, + "content": "\\varepsilon > 0", + "type": "inline_equation" + }, + { + "bbox": [ + 396, + 641, + 399, + 654 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 400, + 641, + 487, + 653 + ], + "score": 0.9, + "content": "i f { \\dot { \\delta } } + { \\dot { 1 } } > k ( \\varepsilon ) \\log N", + "type": "inline_equation" + }, + { + "bbox": [ + 487, + 641, + 505, + 654 + ], + "score": 1.0, + "content": ", we", + "type": "text" + } + ], + "index": 41 + }, + { + "bbox": [ + 105, + 651, + 129, + 665 + ], + "spans": [ + { + "bbox": [ + 105, + 651, + 129, + 665 + ], + "score": 1.0, + "content": "have", + "type": "text" + } + ], + "index": 42 + } + ], + "index": 41 + }, + { + "type": "interline_equation", + "bbox": [ + 215, + 667, + 396, + 696 + ], + "lines": [ + { + "bbox": [ + 215, + 667, + 396, + 696 + ], + "spans": [ + { + "bbox": [ + 215, + 667, + 396, + 696 + ], + "score": 0.92, + "content": "\\operatorname* { m a x } _ { n \\in [ N ] } \\left| \\lambda _ { n } ( \\tilde { \\Delta } ) - \\lambda _ { n } ( \\bar { \\Delta } ) \\right| \\leq 4 \\sqrt { \\frac { 3 \\log ( 4 N / \\varepsilon ) } { \\delta + 1 } }", + "type": "interline_equation", + "image_path": "faa530371dd9306d6740988ca847f650db8a9d0bcc8578a2693011979e058fb8.jpg" + } + ] + } + ], + "index": 43.5, + "virtual_lines": [ + { + "bbox": [ + 215, + 667, + 396, + 681.5 + ], + "spans": [], + "index": 43 + }, + { + "bbox": [ + 215, + 681.5, + 396, + 696.0 + ], + "spans": [], + "index": 44 + } + ] + }, + { + "type": "text", + "bbox": [ + 107, + 702, + 229, + 714 + ], + "lines": [ + { + "bbox": [ + 106, + 701, + 227, + 715 + ], + "spans": [ + { + "bbox": [ + 106, + 701, + 204, + 715 + ], + "score": 1.0, + "content": "with probability at least", + "type": "text" + }, + { + "bbox": [ + 204, + 703, + 227, + 713 + ], + "score": 0.85, + "content": "1 - \\varepsilon", + "type": "inline_equation" + } + ], + "index": 45 + } + ], + "index": 45 + } + ], + "page_idx": 17, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 107, + 27, + 293, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 117, + 720, + 388, + 732 + ], + "lines": [ + { + "bbox": [ + 118, + 718, + 388, + 734 + ], + "spans": [ + { + "bbox": [ + 118, + 718, + 158, + 734 + ], + "score": 1.0, + "content": "9Note that", + "type": "text" + }, + { + "bbox": [ + 158, + 720, + 198, + 732 + ], + "score": 0.92, + "content": "\\mathbb { E } [ \\tilde { \\Delta } ] \\neq \\bar { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 199, + 718, + 351, + 734 + ], + "score": 1.0, + "content": "in general due to the dependence between", + "type": "text" + }, + { + "bbox": [ + 352, + 721, + 359, + 730 + ], + "score": 0.84, + "content": "\\tilde { A }", + "type": "inline_equation" + }, + { + "bbox": [ + 360, + 718, + 375, + 734 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 376, + 720, + 384, + 730 + ], + "score": 0.85, + "content": "\\tilde { D }", + "type": "inline_equation" + }, + { + "bbox": [ + 385, + 718, + 388, + 734 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 300, + 751, + 311, + 760 + ], + "lines": [ + { + "bbox": [ + 299, + 750, + 313, + 763 + ], + "spans": [ + { + "bbox": [ + 299, + 750, + 313, + 763 + ], + "score": 1.0, + "content": "18", + "type": "text" + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "text", + "bbox": [ + 106, + 81, + 505, + 138 + ], + "lines": [ + { + "bbox": [ + 107, + 79, + 506, + 96 + ], + "spans": [ + { + "bbox": [ + 107, + 81, + 163, + 93 + ], + "score": 0.91, + "content": "W _ { n } \\in \\mathbb { R } ^ { F \\times F }", + "type": "inline_equation" + }, + { + "bbox": [ + 164, + 79, + 250, + 96 + ], + "score": 1.0, + "content": "be the weight of the", + "type": "text" + }, + { + "bbox": [ + 250, + 84, + 258, + 92 + ], + "score": 0.78, + "content": "n", + "type": "inline_equation" + }, + { + "bbox": [ + 258, + 79, + 308, + 96 + ], + "score": 1.0, + "content": "-th layer for", + "type": "text" + }, + { + "bbox": [ + 308, + 83, + 344, + 94 + ], + "score": 0.91, + "content": "n \\in \\mathbb { N } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 344, + 79, + 406, + 96 + ], + "score": 1.0, + "content": ". For the input", + "type": "text" + }, + { + "bbox": [ + 407, + 81, + 459, + 93 + ], + "score": 0.91, + "content": "X \\in \\mathbb { R } ^ { N \\times F }", + "type": "inline_equation" + }, + { + "bbox": [ + 459, + 79, + 506, + 96 + ], + "score": 1.0, + "content": ", we define", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 104, + 89, + 504, + 108 + ], + "spans": [ + { + "bbox": [ + 104, + 89, + 150, + 108 + ], + "score": 1.0, + "content": "the output", + "type": "text" + }, + { + "bbox": [ + 150, + 93, + 204, + 105 + ], + "score": 0.93, + "content": "Y _ { n } \\in \\mathbb { R } ^ { N \\times F }", + "type": "inline_equation" + }, + { + "bbox": [ + 204, + 89, + 232, + 108 + ], + "score": 1.0, + "content": "of the", + "type": "text" + }, + { + "bbox": [ + 232, + 95, + 239, + 104 + ], + "score": 0.77, + "content": "n", + "type": "inline_equation" + }, + { + "bbox": [ + 240, + 89, + 331, + 108 + ], + "score": 1.0, + "content": "-th layer of a GCN by", + "type": "text" + }, + { + "bbox": [ + 331, + 93, + 467, + 106 + ], + "score": 0.91, + "content": "Y _ { n } = \\sigma ( L \\cdot \\cdot \\cdot \\sigma ( L X W _ { 0 } ) \\cdot \\cdot \\cdot W _ { n } )", + "type": "inline_equation" + }, + { + "bbox": [ + 468, + 89, + 496, + 108 + ], + "score": 1.0, + "content": "where", + "type": "text" + }, + { + "bbox": [ + 496, + 96, + 504, + 103 + ], + "score": 0.74, + "content": "\\sigma", + "type": "inline_equation" + } + ], + "index": 1 + }, + { + "bbox": [ + 103, + 102, + 506, + 118 + ], + "spans": [ + { + "bbox": [ + 103, + 102, + 285, + 118 + ], + "score": 1.0, + "content": "is the ReLU function. We assume the input", + "type": "text" + }, + { + "bbox": [ + 286, + 105, + 296, + 114 + ], + "score": 0.85, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 296, + 102, + 473, + 118 + ], + "score": 1.0, + "content": "is drawn from a continuous distribution on", + "type": "text" + }, + { + "bbox": [ + 473, + 104, + 501, + 114 + ], + "score": 0.9, + "content": "\\mathbb { R } ^ { N \\times F }", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 102, + 506, + 118 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 2 + }, + { + "bbox": [ + 105, + 113, + 506, + 129 + ], + "spans": [ + { + "bbox": [ + 105, + 113, + 268, + 129 + ], + "score": 1.0, + "content": "Then, the theorem claims that we have", + "type": "text" + }, + { + "bbox": [ + 268, + 115, + 367, + 127 + ], + "score": 0.73, + "content": "\\begin{array} { r } { \\operatorname* { l i m } _ { n \\to \\infty } \\operatorname { r a n k } ( Y _ { n } ) = k } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 367, + 113, + 506, + 129 + ], + "score": 1.0, + "content": "almost surely with respect to the", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 106, + 126, + 180, + 138 + ], + "spans": [ + { + "bbox": [ + 106, + 126, + 165, + 138 + ], + "score": 1.0, + "content": "distribution of", + "type": "text" + }, + { + "bbox": [ + 166, + 127, + 176, + 136 + ], + "score": 0.82, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 176, + 126, + 180, + 138 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 4 + } + ], + "index": 2, + "bbox_fs": [ + 103, + 79, + 506, + 138 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 142, + 504, + 166 + ], + "lines": [ + { + "bbox": [ + 105, + 141, + 505, + 157 + ], + "spans": [ + { + "bbox": [ + 105, + 141, + 308, + 157 + ], + "score": 1.0, + "content": "We construct a conterexample. Consider a graph", + "type": "text" + }, + { + "bbox": [ + 309, + 144, + 318, + 154 + ], + "score": 0.82, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 318, + 141, + 375, + 157 + ], + "score": 1.0, + "content": "consisting of", + "type": "text" + }, + { + "bbox": [ + 375, + 144, + 406, + 154 + ], + "score": 0.91, + "content": "N = 4", + "type": "inline_equation" + }, + { + "bbox": [ + 406, + 141, + 505, + 157 + ], + "score": 1.0, + "content": "nodes whose adjacency", + "type": "text" + } + ], + "index": 5 + }, + { + "bbox": [ + 105, + 154, + 145, + 166 + ], + "spans": [ + { + "bbox": [ + 105, + 154, + 145, + 166 + ], + "score": 1.0, + "content": "matrix is", + "type": "text" + } + ], + "index": 6 + } + ], + "index": 5.5, + "bbox_fs": [ + 105, + 141, + 505, + 166 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 259, + 169, + 351, + 217 + ], + "lines": [ + { + "bbox": [ + 259, + 169, + 351, + 217 + ], + "spans": [ + { + "bbox": [ + 259, + 169, + 351, + 217 + ], + "score": 0.94, + "content": "A = { \\left[ \\begin{array} { l l l l } { 1 } & { 1 } & { 1 } & { 1 } \\\\ { 1 } & { 1 } & { 1 } & { 0 } \\\\ { 1 } & { 1 } & { 1 } & { 0 } \\\\ { 1 } & { 0 } & { 0 } & { 1 } \\end{array} \\right] } ~ .", + "type": "interline_equation", + "image_path": "7a5e18ea3dc07a33bee281a590ef95fa607fa5f03975c7fdc507c908ced32b73.jpg" + } + ] + } + ], + "index": 7.5, + "virtual_lines": [ + { + "bbox": [ + 259, + 169, + 351, + 193.0 + ], + "spans": [], + "index": 7 + }, + { + "bbox": [ + 259, + 193.0, + 351, + 217.0 + ], + "spans": [], + "index": 8 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 221, + 505, + 278 + ], + "lines": [ + { + "bbox": [ + 106, + 222, + 505, + 234 + ], + "spans": [ + { + "bbox": [ + 106, + 222, + 146, + 234 + ], + "score": 1.0, + "content": "Note that", + "type": "text" + }, + { + "bbox": [ + 147, + 223, + 156, + 232 + ], + "score": 0.83, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 156, + 222, + 231, + 234 + ], + "score": 1.0, + "content": "is connected (i.e.,", + "type": "text" + }, + { + "bbox": [ + 231, + 222, + 258, + 232 + ], + "score": 0.89, + "content": "k = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 258, + 222, + 437, + 234 + ], + "score": 1.0, + "content": ") and is not bipartite. We make a GCN with", + "type": "text" + }, + { + "bbox": [ + 437, + 223, + 466, + 232 + ], + "score": 0.91, + "content": "F = 3", + "type": "inline_equation" + }, + { + "bbox": [ + 466, + 222, + 505, + 234 + ], + "score": 1.0, + "content": "channels", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 106, + 233, + 505, + 246 + ], + "spans": [ + { + "bbox": [ + 106, + 233, + 237, + 246 + ], + "score": 1.0, + "content": "and whose weight matrices are", + "type": "text" + }, + { + "bbox": [ + 237, + 234, + 279, + 245 + ], + "score": 0.92, + "content": "W _ { n } \\ = \\ I _ { 3 }", + "type": "inline_equation" + }, + { + "bbox": [ + 279, + 233, + 435, + 246 + ], + "score": 1.0, + "content": "(the identity matrix of size 3) for all", + "type": "text" + }, + { + "bbox": [ + 435, + 234, + 466, + 244 + ], + "score": 0.89, + "content": "n \\in \\mathbb N", + "type": "inline_equation" + }, + { + "bbox": [ + 466, + 233, + 505, + 246 + ], + "score": 1.0, + "content": ". For the", + "type": "text" + } + ], + "index": 10 + }, + { + "bbox": [ + 106, + 244, + 505, + 256 + ], + "spans": [ + { + "bbox": [ + 106, + 244, + 207, + 256 + ], + "score": 1.0, + "content": "distribution of the input", + "type": "text" + }, + { + "bbox": [ + 207, + 245, + 217, + 254 + ], + "score": 0.8, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 217, + 244, + 505, + 256 + ], + "score": 1.0, + "content": ", we consider an absolutely continuous distribution with respect to the", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 104, + 252, + 506, + 268 + ], + "spans": [ + { + "bbox": [ + 104, + 252, + 199, + 268 + ], + "score": 1.0, + "content": "Lebesgue measure on", + "type": "text" + }, + { + "bbox": [ + 199, + 254, + 222, + 265 + ], + "score": 0.9, + "content": "\\mathbb { R } ^ { 4 \\times 3 }", + "type": "inline_equation" + }, + { + "bbox": [ + 223, + 252, + 266, + 268 + ], + "score": 1.0, + "content": "such that", + "type": "text" + }, + { + "bbox": [ + 266, + 255, + 339, + 267 + ], + "score": 0.92, + "content": "P ( X \\geq 0 ) ~ { \\stackrel { . } { > } } ~ 0", + "type": "inline_equation" + }, + { + "bbox": [ + 339, + 252, + 368, + 268 + ], + "score": 1.0, + "content": "(here,", + "type": "text" + }, + { + "bbox": [ + 368, + 255, + 402, + 266 + ], + "score": 0.9, + "content": "X ~ \\geq ~ 0", + "type": "inline_equation" + }, + { + "bbox": [ + 402, + 252, + 506, + 268 + ], + "score": 1.0, + "content": "means the element-wise", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 105, + 266, + 446, + 279 + ], + "spans": [ + { + "bbox": [ + 105, + 266, + 446, + 279 + ], + "score": 1.0, + "content": "comparison). For example, the standard Gaussian distribution satisfies the condition.", + "type": "text" + } + ], + "index": 13 + } + ], + "index": 11, + "bbox_fs": [ + 104, + 222, + 506, + 279 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 281, + 505, + 327 + ], + "lines": [ + { + "bbox": [ + 105, + 282, + 505, + 295 + ], + "spans": [ + { + "bbox": [ + 105, + 282, + 131, + 295 + ], + "score": 1.0, + "content": "Since", + "type": "text" + }, + { + "bbox": [ + 132, + 283, + 159, + 294 + ], + "score": 0.9, + "content": "L \\geq 0", + "type": "inline_equation" + }, + { + "bbox": [ + 160, + 282, + 200, + 295 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + }, + { + "bbox": [ + 200, + 283, + 248, + 294 + ], + "score": 0.91, + "content": "Y _ { n } = L ^ { n } X", + "type": "inline_equation" + }, + { + "bbox": [ + 249, + 282, + 259, + 295 + ], + "score": 1.0, + "content": "if", + "type": "text" + }, + { + "bbox": [ + 259, + 283, + 289, + 294 + ], + "score": 0.9, + "content": "X \\geq 0", + "type": "inline_equation" + }, + { + "bbox": [ + 290, + 282, + 311, + 295 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 312, + 282, + 364, + 293 + ], + "score": 0.91, + "content": "{ \\cal L } = { \\cal P } ^ { \\top } \\Delta { \\cal P }", + "type": "inline_equation" + }, + { + "bbox": [ + 364, + 282, + 468, + 295 + ], + "score": 1.0, + "content": "be the diagonalization of", + "type": "text" + }, + { + "bbox": [ + 469, + 284, + 477, + 293 + ], + "score": 0.82, + "content": "L", + "type": "inline_equation" + }, + { + "bbox": [ + 477, + 282, + 505, + 295 + ], + "score": 1.0, + "content": "where", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 107, + 293, + 504, + 307 + ], + "spans": [ + { + "bbox": [ + 107, + 294, + 149, + 306 + ], + "score": 0.92, + "content": "P \\in O ( 4 )", + "type": "inline_equation" + }, + { + "bbox": [ + 149, + 293, + 311, + 307 + ], + "score": 1.0, + "content": "is an orthogonal matrix of size 4. Since", + "type": "text" + }, + { + "bbox": [ + 312, + 294, + 365, + 306 + ], + "score": 0.81, + "content": "\\mathrm { r a n k } ( L ) = 3", + "type": "inline_equation" + }, + { + "bbox": [ + 365, + 293, + 405, + 307 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + }, + { + "bbox": [ + 405, + 294, + 464, + 306 + ], + "score": 0.91, + "content": "{ \\bar { \\operatorname { r a n k } } } ( \\Lambda ^ { n } ) = 3", + "type": "inline_equation" + }, + { + "bbox": [ + 464, + 293, + 496, + 307 + ], + "score": 1.0, + "content": "for any", + "type": "text" + }, + { + "bbox": [ + 497, + 296, + 504, + 304 + ], + "score": 0.72, + "content": "n", + "type": "inline_equation" + } + ], + "index": 15 + }, + { + "bbox": [ + 105, + 305, + 505, + 318 + ], + "spans": [ + { + "bbox": [ + 105, + 305, + 189, + 318 + ], + "score": 1.0, + "content": "(we can assume that", + "type": "text" + }, + { + "bbox": [ + 189, + 305, + 224, + 316 + ], + "score": 0.93, + "content": "\\Lambda _ { 4 4 } = 0", + "type": "inline_equation" + }, + { + "bbox": [ + 224, + 305, + 459, + 318 + ], + "score": 1.0, + "content": "without loss of generality). Therefore, under the condition", + "type": "text" + }, + { + "bbox": [ + 459, + 306, + 487, + 316 + ], + "score": 0.91, + "content": "X \\geq 0", + "type": "inline_equation" + }, + { + "bbox": [ + 487, + 305, + 505, + 318 + ], + "score": 1.0, + "content": ", we", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 105, + 315, + 129, + 328 + ], + "spans": [ + { + "bbox": [ + 105, + 315, + 129, + 328 + ], + "score": 1.0, + "content": "have", + "type": "text" + } + ], + "index": 17 + } + ], + "index": 15.5, + "bbox_fs": [ + 105, + 282, + 505, + 328 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 149, + 331, + 461, + 366 + ], + "lines": [ + { + "bbox": [ + 149, + 331, + 461, + 366 + ], + "spans": [ + { + "bbox": [ + 149, + 331, + 461, + 366 + ], + "score": 0.87, + "content": "\\begin{array} { r l } & { \\mathrm { r a n k } ( Y _ { n } ) = 3 \\iff \\mathrm { r a n k } ( P ^ { \\top } \\Lambda ^ { n } P X ) = 3 } \\\\ & { \\qquad \\iff X \\in \\{ P ^ { - 1 } \\left[ B \\quad v \\right] ^ { \\top } | B \\in \\mathbb { R } ^ { 3 \\times 3 } \\mathrm { i s ~ i n v e r t i b l e } , v \\in \\mathbb { R } ^ { 3 } \\} . } \\end{array}", + "type": "interline_equation", + "image_path": "a6c4bcffddae18f22db6c3010b3d23d09c517d0a82c87531f0c12ddcfa294be5.jpg" + } + ] + } + ], + "index": 19, + "virtual_lines": [ + { + "bbox": [ + 149, + 331, + 461, + 342.6666666666667 + ], + "spans": [], + "index": 18 + }, + { + "bbox": [ + 149, + 342.6666666666667, + 461, + 354.33333333333337 + ], + "spans": [], + "index": 19 + }, + { + "bbox": [ + 149, + 354.33333333333337, + 461, + 366.00000000000006 + ], + "spans": [], + "index": 20 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 370, + 505, + 415 + ], + "lines": [ + { + "bbox": [ + 105, + 370, + 505, + 383 + ], + "spans": [ + { + "bbox": [ + 105, + 370, + 290, + 383 + ], + "score": 1.0, + "content": "Note that the last condition is independent of", + "type": "text" + }, + { + "bbox": [ + 291, + 373, + 298, + 380 + ], + "score": 0.78, + "content": "n", + "type": "inline_equation" + }, + { + "bbox": [ + 298, + 370, + 505, + 383 + ], + "score": 1.0, + "content": ". Since the set of invertible matrices is dense in the", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 105, + 381, + 505, + 393 + ], + "spans": [ + { + "bbox": [ + 105, + 381, + 505, + 393 + ], + "score": 1.0, + "content": "set of all matrices of the same size (with respect to the standard topology of the Euclidean space),", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 105, + 392, + 507, + 406 + ], + "spans": [ + { + "bbox": [ + 105, + 392, + 141, + 406 + ], + "score": 1.0, + "content": "we have", + "type": "text" + }, + { + "bbox": [ + 142, + 392, + 216, + 405 + ], + "score": 0.92, + "content": "P ( \\{ \\mathrm { r a n k } ( Y _ { n } ) = 3 ", + "type": "inline_equation" + }, + { + "bbox": [ + 216, + 392, + 244, + 406 + ], + "score": 1.0, + "content": "for all", + "type": "text" + }, + { + "bbox": [ + 245, + 392, + 298, + 405 + ], + "score": 0.79, + "content": "n \\in \\mathbb { N } \\} ) > 0", + "type": "inline_equation" + }, + { + "bbox": [ + 298, + 392, + 381, + 406 + ], + "score": 1.0, + "content": ". Therefore, we have", + "type": "text" + }, + { + "bbox": [ + 382, + 392, + 477, + 405 + ], + "score": 0.77, + "content": "\\begin{array} { r } { \\operatorname* { l i m } _ { n \\infty } \\operatorname { r a n k } ( Y _ { n } ) = 3 } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 477, + 392, + 507, + 406 + ], + "score": 1.0, + "content": "with a", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 105, + 403, + 505, + 417 + ], + "spans": [ + { + "bbox": [ + 105, + 403, + 193, + 417 + ], + "score": 1.0, + "content": "non-zero probability.", + "type": "text" + }, + { + "bbox": [ + 494, + 403, + 505, + 414 + ], + "score": 1.0, + "content": "□", + "type": "text" + } + ], + "index": 24 + } + ], + "index": 22.5, + "bbox_fs": [ + 105, + 370, + 507, + 417 + ] + }, + { + "type": "title", + "bbox": [ + 108, + 431, + 245, + 444 + ], + "lines": [ + { + "bbox": [ + 105, + 430, + 245, + 446 + ], + "spans": [ + { + "bbox": [ + 105, + 430, + 245, + 446 + ], + "score": 1.0, + "content": "D PROOF OF THEOREM 3", + "type": "text" + } + ], + "index": 25 + } + ], + "index": 25 + }, + { + "type": "text", + "bbox": [ + 106, + 456, + 505, + 501 + ], + "lines": [ + { + "bbox": [ + 105, + 455, + 505, + 469 + ], + "spans": [ + { + "bbox": [ + 105, + 455, + 505, + 469 + ], + "score": 1.0, + "content": "We follow the proof of Theorem 2 of Chung & Radcliffe (2011). The idea is to relate the spectral", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 106, + 468, + 505, + 480 + ], + "spans": [ + { + "bbox": [ + 106, + 468, + 505, + 480 + ], + "score": 1.0, + "content": "distribution of the normalized Laplacian with that of its expected version. Since we can compute", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 105, + 479, + 505, + 492 + ], + "spans": [ + { + "bbox": [ + 105, + 479, + 505, + 492 + ], + "score": 1.0, + "content": "the latter one explicitly for the Erdos-R ˝ enyi graph, we can derive the convergence of spectra. We ´", + "type": "text" + } + ], + "index": 28 + }, + { + "bbox": [ + 105, + 490, + 483, + 503 + ], + "spans": [ + { + "bbox": [ + 105, + 490, + 483, + 503 + ], + "score": 1.0, + "content": "employ this technique and derive similar conclusion for the augmented normalized Laplacian.", + "type": "text" + } + ], + "index": 29 + } + ], + "index": 27.5, + "bbox_fs": [ + 105, + 455, + 505, + 503 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 506, + 505, + 626 + ], + "lines": [ + { + "bbox": [ + 105, + 506, + 505, + 519 + ], + "spans": [ + { + "bbox": [ + 105, + 506, + 444, + 519 + ], + "score": 1.0, + "content": "First, we consider genral random graphs not restricted to Erdos-R ˝ enyi graphs. Let ´", + "type": "text" + }, + { + "bbox": [ + 445, + 507, + 483, + 518 + ], + "score": 0.9, + "content": "N \\in { \\mathbb { N } } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 484, + 506, + 505, + 519 + ], + "score": 1.0, + "content": ", and", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 107, + 515, + 506, + 533 + ], + "spans": [ + { + "bbox": [ + 107, + 518, + 177, + 531 + ], + "score": 0.92, + "content": "P = ( p _ { i j } ) _ { i , j \\in [ N ] }", + "type": "inline_equation" + }, + { + "bbox": [ + 177, + 515, + 387, + 533 + ], + "score": 1.0, + "content": "be a non-negative symmetric matrix (meaning that", + "type": "text" + }, + { + "bbox": [ + 387, + 518, + 421, + 530 + ], + "score": 0.92, + "content": "p _ { i j } \\geq 0", + "type": "inline_equation" + }, + { + "bbox": [ + 421, + 515, + 455, + 533 + ], + "score": 1.0, + "content": "for any", + "type": "text" + }, + { + "bbox": [ + 455, + 518, + 500, + 529 + ], + "score": 0.9, + "content": "i , j \\in [ N ] )", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 515, + 506, + 533 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 105, + 528, + 506, + 542 + ], + "spans": [ + { + "bbox": [ + 105, + 528, + 123, + 542 + ], + "score": 1.0, + "content": "Let", + "type": "text" + }, + { + "bbox": [ + 123, + 530, + 133, + 539 + ], + "score": 0.76, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 133, + 528, + 287, + 542 + ], + "score": 1.0, + "content": "be an undirected random graph with", + "type": "text" + }, + { + "bbox": [ + 288, + 529, + 298, + 539 + ], + "score": 0.8, + "content": "N", + "type": "inline_equation" + }, + { + "bbox": [ + 298, + 528, + 438, + 542 + ], + "score": 1.0, + "content": "nodes such that an edge between", + "type": "text" + }, + { + "bbox": [ + 439, + 530, + 444, + 539 + ], + "score": 0.73, + "content": "i", + "type": "inline_equation" + }, + { + "bbox": [ + 444, + 528, + 463, + 542 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 464, + 530, + 470, + 541 + ], + "score": 0.82, + "content": "j", + "type": "inline_equation" + }, + { + "bbox": [ + 470, + 528, + 506, + 542 + ], + "score": 1.0, + "content": "is inde-", + "type": "text" + } + ], + "index": 32 + }, + { + "bbox": [ + 105, + 540, + 506, + 553 + ], + "spans": [ + { + "bbox": [ + 105, + 540, + 248, + 553 + ], + "score": 1.0, + "content": "pendently present with probability", + "type": "text" + }, + { + "bbox": [ + 248, + 541, + 262, + 551 + ], + "score": 0.82, + "content": "p _ { i j }", + "type": "inline_equation" + }, + { + "bbox": [ + 262, + 540, + 284, + 553 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 285, + 540, + 294, + 550 + ], + "score": 0.8, + "content": "A", + "type": "inline_equation" + }, + { + "bbox": [ + 294, + 540, + 312, + 553 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 313, + 540, + 322, + 550 + ], + "score": 0.82, + "content": "D", + "type": "inline_equation" + }, + { + "bbox": [ + 323, + 540, + 506, + 553 + ], + "score": 1.0, + "content": "be the adjacency and the degree matrices of", + "type": "text" + } + ], + "index": 33 + }, + { + "bbox": [ + 107, + 550, + 506, + 565 + ], + "spans": [ + { + "bbox": [ + 107, + 551, + 115, + 560 + ], + "score": 0.77, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 116, + 550, + 207, + 565 + ], + "score": 1.0, + "content": ", respectively (that is,", + "type": "text" + }, + { + "bbox": [ + 208, + 551, + 275, + 563 + ], + "score": 0.89, + "content": "A _ { i j } \\sim \\mathrm { B e r } ( p _ { i j } )", + "type": "inline_equation" + }, + { + "bbox": [ + 276, + 550, + 485, + 565 + ], + "score": 1.0, + "content": ", i.i.d.). Define the expected node degree of node", + "type": "text" + }, + { + "bbox": [ + 485, + 551, + 491, + 560 + ], + "score": 0.7, + "content": "i", + "type": "inline_equation" + }, + { + "bbox": [ + 491, + 550, + 506, + 565 + ], + "score": 1.0, + "content": "by", + "type": "text" + } + ], + "index": 34 + }, + { + "bbox": [ + 106, + 562, + 507, + 579 + ], + "spans": [ + { + "bbox": [ + 106, + 562, + 174, + 578 + ], + "score": 0.92, + "content": "\\begin{array} { r } { t _ { i } : = \\sum _ { j = 1 } ^ { N } p _ { i j } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 174, + 563, + 200, + 579 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 200, + 563, + 263, + 576 + ], + "score": 0.85, + "content": "{ \\tilde { A } } : = A + I _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 263, + 563, + 269, + 579 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 269, + 563, + 335, + 576 + ], + "score": 0.9, + "content": "{ \\tilde { D } } : = D + I _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 335, + 563, + 384, + 579 + ], + "score": 1.0, + "content": "and define", + "type": "text" + }, + { + "bbox": [ + 384, + 562, + 486, + 576 + ], + "score": 0.93, + "content": "{ \\bar { A } } : = \\mathbb { E } [ { \\tilde { A } } ] = P + I _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 486, + 563, + 507, + 579 + ], + "score": 1.0, + "content": "and", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 106, + 576, + 506, + 594 + ], + "spans": [ + { + "bbox": [ + 106, + 578, + 256, + 591 + ], + "score": 0.88, + "content": "\\bar { D } : = \\mathbb { E } [ \\tilde { D } ] = \\mathrm { d i a g } ( t _ { 1 } , \\dots , t _ { N } ) + I _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 257, + 576, + 506, + 594 + ], + "score": 1.0, + "content": "correspondingly. We define the augmented normalized Lapla-", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 104, + 589, + 503, + 604 + ], + "spans": [ + { + "bbox": [ + 104, + 589, + 126, + 604 + ], + "score": 1.0, + "content": "cian", + "type": "text" + }, + { + "bbox": [ + 127, + 591, + 137, + 602 + ], + "score": 0.83, + "content": "\\tilde { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 137, + 589, + 150, + 604 + ], + "score": 1.0, + "content": "of", + "type": "text" + }, + { + "bbox": [ + 151, + 592, + 160, + 602 + ], + "score": 0.8, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 160, + 589, + 176, + 604 + ], + "score": 1.0, + "content": "by", + "type": "text" + }, + { + "bbox": [ + 176, + 590, + 280, + 603 + ], + "score": 0.85, + "content": "\\tilde { \\Delta } : = I _ { N } - \\tilde { D } ^ { - \\frac { 1 } { 2 } } \\tilde { A } \\tilde { D } ^ { - \\frac { 1 } { 2 } }", + "type": "inline_equation" + }, + { + "bbox": [ + 280, + 589, + 399, + 604 + ], + "score": 1.0, + "content": "and its expected version by", + "type": "text" + }, + { + "bbox": [ + 399, + 590, + 503, + 603 + ], + "score": 0.92, + "content": "\\bar { \\Delta } : = I _ { N } - \\bar { D } ^ { - \\frac { 1 } { 2 } } \\bar { A } \\bar { D } ^ { - \\frac { 1 } { 2 } }", + "type": "inline_equation" + } + ], + "index": 37 + }, + { + "bbox": [ + 104, + 600, + 505, + 617 + ], + "spans": [ + { + "bbox": [ + 104, + 600, + 223, + 617 + ], + "score": 1.0, + "content": "9. For a symmetric matrix", + "type": "text" + }, + { + "bbox": [ + 223, + 602, + 266, + 613 + ], + "score": 0.88, + "content": "X ~ \\in ~ \\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 266, + 600, + 505, + 617 + ], + "score": 1.0, + "content": ", we define its eigenvalues, sorted in ascending order by", + "type": "text" + } + ], + "index": 38 + }, + { + "bbox": [ + 106, + 613, + 419, + 627 + ], + "spans": [ + { + "bbox": [ + 106, + 613, + 203, + 626 + ], + "score": 0.93, + "content": "\\lambda _ { 1 } ( X ) \\leq \\cdots \\leq \\lambda _ { N } ( X )", + "type": "inline_equation" + }, + { + "bbox": [ + 203, + 613, + 305, + 627 + ], + "score": 1.0, + "content": "and its operator norm by", + "type": "text" + }, + { + "bbox": [ + 305, + 613, + 414, + 627 + ], + "score": 0.93, + "content": "\\| X \\| = \\operatorname* { i n a x } _ { n \\in [ N ] } | \\lambda _ { n } ( X ) |", + "type": "inline_equation" + }, + { + "bbox": [ + 415, + 613, + 419, + 627 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 39 + } + ], + "index": 34.5, + "bbox_fs": [ + 104, + 506, + 507, + 627 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 628, + 505, + 663 + ], + "lines": [ + { + "bbox": [ + 105, + 627, + 505, + 642 + ], + "spans": [ + { + "bbox": [ + 105, + 627, + 360, + 642 + ], + "score": 1.0, + "content": "Lemma 5 (Ref. Chung & Radcliffe (2011) Theorem 2). Let", + "type": "text" + }, + { + "bbox": [ + 360, + 629, + 435, + 641 + ], + "score": 0.89, + "content": "\\delta : = \\mathrm { m i n } _ { n \\in [ N ] } t _ { n }", + "type": "inline_equation" + }, + { + "bbox": [ + 435, + 627, + 505, + 642 + ], + "score": 1.0, + "content": "be the minimum", + "type": "text" + } + ], + "index": 40 + }, + { + "bbox": [ + 105, + 641, + 505, + 654 + ], + "spans": [ + { + "bbox": [ + 105, + 641, + 183, + 654 + ], + "score": 1.0, + "content": "expected degree of", + "type": "text" + }, + { + "bbox": [ + 183, + 641, + 192, + 651 + ], + "score": 0.71, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 192, + 641, + 211, + 654 + ], + "score": 1.0, + "content": ". Set", + "type": "text" + }, + { + "bbox": [ + 211, + 641, + 310, + 653 + ], + "score": 0.92, + "content": "k ( \\varepsilon ) : = 3 ( 1 + \\log ( 4 / \\varepsilon ) )", + "type": "inline_equation" + }, + { + "bbox": [ + 311, + 641, + 371, + 654 + ], + "score": 1.0, + "content": ". Then, for any", + "type": "text" + }, + { + "bbox": [ + 372, + 642, + 396, + 652 + ], + "score": 0.83, + "content": "\\varepsilon > 0", + "type": "inline_equation" + }, + { + "bbox": [ + 396, + 641, + 399, + 654 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 400, + 641, + 487, + 653 + ], + "score": 0.9, + "content": "i f { \\dot { \\delta } } + { \\dot { 1 } } > k ( \\varepsilon ) \\log N", + "type": "inline_equation" + }, + { + "bbox": [ + 487, + 641, + 505, + 654 + ], + "score": 1.0, + "content": ", we", + "type": "text" + } + ], + "index": 41 + }, + { + "bbox": [ + 105, + 651, + 129, + 665 + ], + "spans": [ + { + "bbox": [ + 105, + 651, + 129, + 665 + ], + "score": 1.0, + "content": "have", + "type": "text" + } + ], + "index": 42 + } + ], + "index": 41, + "bbox_fs": [ + 105, + 627, + 505, + 665 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 215, + 667, + 396, + 696 + ], + "lines": [ + { + "bbox": [ + 215, + 667, + 396, + 696 + ], + "spans": [ + { + "bbox": [ + 215, + 667, + 396, + 696 + ], + "score": 0.92, + "content": "\\operatorname* { m a x } _ { n \\in [ N ] } \\left| \\lambda _ { n } ( \\tilde { \\Delta } ) - \\lambda _ { n } ( \\bar { \\Delta } ) \\right| \\leq 4 \\sqrt { \\frac { 3 \\log ( 4 N / \\varepsilon ) } { \\delta + 1 } }", + "type": "interline_equation", + "image_path": "faa530371dd9306d6740988ca847f650db8a9d0bcc8578a2693011979e058fb8.jpg" + } + ] + } + ], + "index": 43.5, + "virtual_lines": [ + { + "bbox": [ + 215, + 667, + 396, + 681.5 + ], + "spans": [], + "index": 43 + }, + { + "bbox": [ + 215, + 681.5, + 396, + 696.0 + ], + "spans": [], + "index": 44 + } + ] + }, + { + "type": "text", + "bbox": [ + 107, + 702, + 229, + 714 + ], + "lines": [ + { + "bbox": [ + 106, + 701, + 227, + 715 + ], + "spans": [ + { + "bbox": [ + 106, + 701, + 204, + 715 + ], + "score": 1.0, + "content": "with probability at least", + "type": "text" + }, + { + "bbox": [ + 204, + 703, + 227, + 713 + ], + "score": 0.85, + "content": "1 - \\varepsilon", + "type": "inline_equation" + } + ], + "index": 45 + } + ], + "index": 45, + "bbox_fs": [ + 106, + 701, + 227, + 715 + ] + } + ] + }, + { + "preproc_blocks": [ + { + "type": "text", + "bbox": [ + 106, + 80, + 506, + 127 + ], + "lines": [ + { + "bbox": [ + 104, + 80, + 507, + 100 + ], + "spans": [ + { + "bbox": [ + 104, + 80, + 258, + 99 + ], + "score": 1.0, + "content": "Proof. By Weyl’s theorem, we have", + "type": "text" + }, + { + "bbox": [ + 259, + 80, + 433, + 100 + ], + "score": 0.93, + "content": "\\begin{array} { r } { \\operatorname* { m a x } _ { n \\in [ N ] } \\left| \\lambda _ { n } ( \\tilde { \\Delta } ) - \\lambda _ { n } ( \\bar { \\Delta } ) \\right| \\leq \\| \\tilde { \\Delta } - \\bar { \\Delta } \\| } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 434, + 80, + 507, + 99 + ], + "score": 1.0, + "content": ". Therefore, it is", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 105, + 97, + 506, + 114 + ], + "spans": [ + { + "bbox": [ + 105, + 97, + 180, + 114 + ], + "score": 1.0, + "content": "enough to bound", + "type": "text" + }, + { + "bbox": [ + 181, + 99, + 222, + 113 + ], + "score": 0.91, + "content": "\\| \\tilde { \\Delta } - \\bar { \\Delta } \\|", + "type": "inline_equation" + }, + { + "bbox": [ + 222, + 97, + 247, + 114 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 248, + 100, + 340, + 112 + ], + "score": 0.9, + "content": "C : = I _ { N } - \\bar { D } ^ { - \\frac { 1 } { 2 } } \\tilde { A } \\bar { D }", + "type": "inline_equation" + }, + { + "bbox": [ + 340, + 97, + 506, + 114 + ], + "score": 1.0, + "content": ". By the triangular inequality, we have", + "type": "text" + } + ], + "index": 1 + }, + { + "bbox": [ + 107, + 111, + 414, + 128 + ], + "spans": [ + { + "bbox": [ + 107, + 112, + 248, + 126 + ], + "score": 0.91, + "content": "\\| \\tilde { \\Delta } - \\bar { \\Delta } \\| \\leq \\| \\tilde { \\Delta } - C \\| + \\| C - \\bar { \\Delta } \\|", + "type": "inline_equation" + }, + { + "bbox": [ + 249, + 111, + 414, + 128 + ], + "score": 1.0, + "content": ". We will bound these terms respectively.", + "type": "text" + } + ], + "index": 2 + } + ], + "index": 1 + }, + { + "type": "text", + "bbox": [ + 105, + 130, + 504, + 156 + ], + "lines": [ + { + "bbox": [ + 104, + 130, + 504, + 145 + ], + "spans": [ + { + "bbox": [ + 104, + 130, + 170, + 144 + ], + "score": 1.0, + "content": "First, we bound", + "type": "text" + }, + { + "bbox": [ + 170, + 131, + 205, + 145 + ], + "score": 0.93, + "content": "\\| C - { \\bar { \\Delta } } \\|", + "type": "inline_equation" + }, + { + "bbox": [ + 205, + 130, + 308, + 144 + ], + "score": 1.0, + "content": ". Direct calculation shows", + "type": "text" + }, + { + "bbox": [ + 308, + 130, + 428, + 145 + ], + "score": 0.93, + "content": "C - \\bar { \\Delta } = - \\bar { D } ^ { - \\frac { 1 } { 2 } } ( A { - } P ) \\bar { D } ^ { - \\frac { 1 } { 2 } }", + "type": "inline_equation" + }, + { + "bbox": [ + 428, + 130, + 447, + 144 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 447, + 131, + 504, + 143 + ], + "score": 0.86, + "content": "E ^ { i j } \\in \\mathbb { R } ^ { N \\times N }", + "type": "inline_equation" + } + ], + "index": 3 + }, + { + "bbox": [ + 105, + 142, + 199, + 157 + ], + "spans": [ + { + "bbox": [ + 105, + 142, + 199, + 157 + ], + "score": 1.0, + "content": "be a matrix defined by", + "type": "text" + } + ], + "index": 4 + } + ], + "index": 3.5 + }, + { + "type": "interline_equation", + "bbox": [ + 190, + 164, + 419, + 192 + ], + "lines": [ + { + "bbox": [ + 190, + 164, + 419, + 192 + ], + "spans": [ + { + "bbox": [ + 190, + 164, + 419, + 192 + ], + "score": 0.73, + "content": "( E ^ { i j } ) _ { k l } = { \\left\\{ \\begin{array} { l l } { 1 } & { { \\mathrm { i f ~ } } ( i = k { \\mathrm { ~ a n d ~ } } i = l ) { \\mathrm { ~ o r ~ } } ( i = l { \\mathrm { ~ a n d ~ } } j = k ) , } \\\\ { 0 } & { { \\mathrm { o t h e r w i s e . } } } \\end{array} \\right. }", + "type": "interline_equation", + "image_path": "fe9cdfdb83f038780d2070d9493f39f5009327a9c0eb6768b53b00ddfffcfe9a.jpg" + } + ] + } + ], + "index": 5, + "virtual_lines": [ + { + "bbox": [ + 190, + 164, + 419, + 192 + ], + "spans": [], + "index": 5 + } + ] + }, + { + "type": "text", + "bbox": [ + 107, + 199, + 258, + 212 + ], + "lines": [ + { + "bbox": [ + 106, + 197, + 258, + 214 + ], + "spans": [ + { + "bbox": [ + 106, + 197, + 230, + 214 + ], + "score": 1.0, + "content": "We define the random variable", + "type": "text" + }, + { + "bbox": [ + 231, + 200, + 245, + 212 + ], + "score": 0.9, + "content": "Y _ { i j }", + "type": "inline_equation" + }, + { + "bbox": [ + 245, + 197, + 258, + 214 + ], + "score": 1.0, + "content": "by", + "type": "text" + } + ], + "index": 6 + } + ], + "index": 6 + }, + { + "type": "interline_equation", + "bbox": [ + 246, + 219, + 365, + 248 + ], + "lines": [ + { + "bbox": [ + 246, + 219, + 365, + 248 + ], + "spans": [ + { + "bbox": [ + 246, + 219, + 365, + 248 + ], + "score": 0.94, + "content": "Y _ { i j } : = \\frac { A _ { i j } - p _ { i j } } { \\sqrt { t _ { i } + 1 } \\sqrt { t _ { j } + 1 } } E ^ { i j } .", + "type": "interline_equation", + "image_path": "d4cfac4151ae12a2d38b39962bf8e377443e15fc5af480baf66fe0bf602e815e.jpg" + } + ] + } + ], + "index": 7, + "virtual_lines": [ + { + "bbox": [ + 246, + 219, + 365, + 248 + ], + "spans": [], + "index": 7 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 256, + 505, + 287 + ], + "lines": [ + { + "bbox": [ + 100, + 250, + 511, + 294 + ], + "spans": [ + { + "bbox": [ + 100, + 261, + 185, + 294 + ], + "score": 1.0, + "content": "ij Radcliffe (2011) to", + "type": "text" + }, + { + "bbox": [ + 101, + 250, + 132, + 279 + ], + "score": 1.0, + "content": "Then,", + "type": "text" + }, + { + "bbox": [ + 146, + 250, + 274, + 279 + ], + "score": 1.0, + "content": "’s are independent and we have", + "type": "text" + }, + { + "bbox": [ + 185, + 273, + 199, + 286 + ], + "score": 0.89, + "content": "Y _ { i j }", + "type": "inline_equation" + }, + { + "bbox": [ + 199, + 261, + 251, + 294 + ], + "score": 1.0, + "content": "’s, we bound", + "type": "text" + }, + { + "bbox": [ + 252, + 273, + 312, + 286 + ], + "score": 0.93, + "content": "\\| Y _ { i j } - \\mathbb { E } [ Y _ { i j } ] \\|", + "type": "inline_equation" + }, + { + "bbox": [ + 275, + 256, + 363, + 272 + ], + "score": 0.94, + "content": "\\begin{array} { r } { C - \\bar { \\Delta } = \\sum _ { i , j = 1 } ^ { N } Y _ { i j } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 312, + 261, + 331, + 294 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 331, + 271, + 399, + 287 + ], + "score": 0.92, + "content": "\\| \\Sigma _ { i , j = 1 } ^ { N } \\mathbb { E } [ Y _ { i j } ^ { 2 } ] \\|", + "type": "inline_equation" + }, + { + "bbox": [ + 363, + 250, + 511, + 279 + ], + "score": 1.0, + "content": ". To apply Theorem 5 of Chung &", + "type": "text" + }, + { + "bbox": [ + 400, + 261, + 469, + 294 + ], + "score": 1.0, + "content": ". First, we have", + "type": "text" + } + ], + "index": 8 + } + ], + "index": 8 + }, + { + "type": "interline_equation", + "bbox": [ + 186, + 294, + 424, + 325 + ], + "lines": [ + { + "bbox": [ + 186, + 294, + 424, + 325 + ], + "spans": [ + { + "bbox": [ + 186, + 294, + 424, + 325 + ], + "score": 0.92, + "content": "\\| Y _ { i j } - \\mathbb { E } [ Y _ { i j } ] \\| = \\| Y _ { i j } \\| \\leq \\frac { \\| E ^ { i j } \\| } { \\sqrt { t _ { i } + 1 } \\sqrt { t _ { j } + 1 } } \\leq ( \\delta + 1 ) ^ { - 1 } .", + "type": "interline_equation", + "image_path": "cae7c6b924677a28a81735f52c21a2db10cea67ace48042da7e719cbd90f9ece.jpg" + } + ] + } + ], + "index": 9, + "virtual_lines": [ + { + "bbox": [ + 186, + 294, + 424, + 325 + ], + "spans": [], + "index": 9 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 331, + 131, + 343 + ], + "lines": [ + { + "bbox": [ + 106, + 330, + 132, + 344 + ], + "spans": [ + { + "bbox": [ + 106, + 330, + 132, + 344 + ], + "score": 1.0, + "content": "Since", + "type": "text" + } + ], + "index": 10 + } + ], + "index": 10 + }, + { + "type": "interline_equation", + "bbox": [ + 200, + 348, + 409, + 378 + ], + "lines": [ + { + "bbox": [ + 200, + 348, + 409, + 378 + ], + "spans": [ + { + "bbox": [ + 200, + 348, + 409, + 378 + ], + "score": 0.92, + "content": "\\mathbb { E } [ Y _ { i j } ^ { 2 } ] = \\frac { p _ { i j } - p _ { i j } ^ { 2 } } { ( t _ { i } + 1 ) ( t _ { j } + 1 ) } \\left\\{ { E ^ { i i } + E ^ { j j } } \\begin{array} { l l } { ( \\mathrm { i f ~ } i \\ne j ) , } \\\\ { E ^ { i i } } & { ( \\mathrm { i f ~ } i = j ) , } \\end{array} \\right.", + "type": "interline_equation", + "image_path": "a52cf9e5e80dfb4e7363c299ec6286164906ebce3dececfbc73d458f5b45119c.jpg" + } + ] + } + ], + "index": 11, + "virtual_lines": [ + { + "bbox": [ + 200, + 348, + 409, + 378 + ], + "spans": [], + "index": 11 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 386, + 141, + 397 + ], + "lines": [ + { + "bbox": [ + 105, + 384, + 143, + 398 + ], + "spans": [ + { + "bbox": [ + 105, + 384, + 143, + 398 + ], + "score": 1.0, + "content": "we have", + "type": "text" + } + ], + "index": 12 + } + ], + "index": 12 + }, + { + "type": "interline_equation", + "bbox": [ + 207, + 404, + 402, + 538 + ], + "lines": [ + { + "bbox": [ + 207, + 404, + 402, + 538 + ], + "spans": [ + { + "bbox": [ + 207, + 404, + 402, + 538 + ], + "score": 0.94, + "content": "\\begin{array} { r } { \\left| \\displaystyle \\sum _ { i , j = 1 } ^ { N } \\mathbb { E } [ Y _ { i j } ^ { 2 } ] \\right| = \\left| \\left| \\displaystyle \\sum _ { i , j = 1 } ^ { N } \\frac { p _ { i j } - p _ { i j } ^ { 2 } } { ( t _ { i } + 1 ) ( t _ { j } + 1 ) } E ^ { i i } \\right| \\right| } \\\\ { = \\displaystyle \\operatorname* { m a x } _ { i \\in [ N ] } \\left( \\displaystyle \\sum _ { j = 1 } ^ { N } \\frac { p _ { i j } - p _ { i j } ^ { 2 } } { ( t _ { i } + 1 ) ( t _ { j } + 1 ) } \\right) } \\\\ { \\leq \\displaystyle \\operatorname* { m a x } _ { i \\in [ N ] } \\left( \\displaystyle \\sum _ { j = 1 } ^ { N } \\frac { p _ { i j } } { ( t _ { i } + 1 ) ( t _ { j } + 1 ) } \\right) } \\\\ { \\leq ( \\delta + 1 ) ^ { - 1 } . } \\end{array}", + "type": "interline_equation", + "image_path": "671d8d0807c4af3435e2fc7a59b03aa66054295c22241b527c28d8f8d4f43a38.jpg" + } + ] + } + ], + "index": 16.5, + "virtual_lines": [ + { + "bbox": [ + 207, + 404, + 402, + 420.75 + ], + "spans": [], + "index": 13 + }, + { + "bbox": [ + 207, + 420.75, + 402, + 437.5 + ], + "spans": [], + "index": 14 + }, + { + "bbox": [ + 207, + 437.5, + 402, + 454.25 + ], + "spans": [], + "index": 15 + }, + { + "bbox": [ + 207, + 454.25, + 402, + 471.0 + ], + "spans": [], + "index": 16 + }, + { + "bbox": [ + 207, + 471.0, + 402, + 487.75 + ], + "spans": [], + "index": 17 + }, + { + "bbox": [ + 207, + 487.75, + 402, + 504.5 + ], + "spans": [], + "index": 18 + }, + { + "bbox": [ + 207, + 504.5, + 402, + 521.25 + ], + "spans": [], + "index": 19 + }, + { + "bbox": [ + 207, + 521.25, + 402, + 538.0 + ], + "spans": [], + "index": 20 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 546, + 505, + 577 + ], + "lines": [ + { + "bbox": [ + 105, + 546, + 505, + 566 + ], + "spans": [ + { + "bbox": [ + 105, + 551, + 148, + 564 + ], + "score": 1.0, + "content": "By letting", + "type": "text" + }, + { + "bbox": [ + 149, + 546, + 222, + 566 + ], + "score": 0.89, + "content": "\\begin{array} { r } { a \\gets \\sqrt { \\frac { 3 \\log ( 4 N / \\varepsilon ) } { \\delta + 1 } } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 222, + 546, + 227, + 566 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 227, + 549, + 293, + 564 + ], + "score": 0.52, + "content": "M \\gets ( \\delta + 1 ) ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 294, + 546, + 298, + 566 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 298, + 550, + 364, + 563 + ], + "score": 0.87, + "content": "v ^ { 2 } ( \\delta + 1 ) ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 364, + 546, + 505, + 566 + ], + "score": 1.0, + "content": "and applying Theorem 5 of Chung", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 105, + 563, + 223, + 577 + ], + "spans": [ + { + "bbox": [ + 105, + 563, + 223, + 577 + ], + "score": 1.0, + "content": "& Radcliffe (2011), we have", + "type": "text" + } + ], + "index": 22 + } + ], + "index": 21.5 + }, + { + "type": "interline_equation", + "bbox": [ + 171, + 582, + 439, + 641 + ], + "lines": [ + { + "bbox": [ + 171, + 582, + 439, + 641 + ], + "spans": [ + { + "bbox": [ + 171, + 582, + 439, + 641 + ], + "score": 0.93, + "content": "\\begin{array} { r l } & { \\operatorname* { P r } ( \\| C - \\bar { \\Delta } \\| > a ) \\leq 2 N \\exp \\left( - \\displaystyle \\frac { a ^ { 2 } } { 2 ( \\delta + 1 ) ^ { - 1 } + 2 ( \\delta + 1 ) ^ { - 1 } a / 3 } \\right) } \\\\ & { \\phantom { \\operatorname* { P r } } \\leq 2 N \\exp \\left( - \\displaystyle \\frac { 3 \\log \\left( 4 N / \\varepsilon \\right) } { 2 ( 1 + a / 3 ) } \\right) . } \\end{array}", + "type": "interline_equation", + "image_path": "a1bcd9ba5a9bd225226118673c07e91de3eaf40dfa178bcc7be802d6733cac42.jpg" + } + ] + } + ], + "index": 24, + "virtual_lines": [ + { + "bbox": [ + 171, + 582, + 439, + 601.6666666666666 + ], + "spans": [], + "index": 23 + }, + { + "bbox": [ + 171, + 601.6666666666666, + 439, + 621.3333333333333 + ], + "spans": [], + "index": 24 + }, + { + "bbox": [ + 171, + 621.3333333333333, + 439, + 640.9999999999999 + ], + "spans": [], + "index": 25 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 645, + 443, + 660 + ], + "lines": [ + { + "bbox": [ + 105, + 645, + 442, + 660 + ], + "spans": [ + { + "bbox": [ + 105, + 645, + 187, + 660 + ], + "score": 1.0, + "content": "By the definition of", + "type": "text" + }, + { + "bbox": [ + 187, + 647, + 205, + 659 + ], + "score": 0.92, + "content": "k ( \\varepsilon )", + "type": "inline_equation" + }, + { + "bbox": [ + 206, + 645, + 244, + 660 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + }, + { + "bbox": [ + 245, + 648, + 270, + 657 + ], + "score": 0.89, + "content": "a < 1", + "type": "inline_equation" + }, + { + "bbox": [ + 270, + 645, + 279, + 660 + ], + "score": 1.0, + "content": "if", + "type": "text" + }, + { + "bbox": [ + 280, + 647, + 356, + 659 + ], + "score": 0.93, + "content": "\\delta + 1 > k ( \\varepsilon ) \\log n", + "type": "inline_equation" + }, + { + "bbox": [ + 356, + 645, + 397, + 660 + ], + "score": 1.0, + "content": ". For such", + "type": "text" + }, + { + "bbox": [ + 397, + 648, + 403, + 657 + ], + "score": 0.81, + "content": "\\delta", + "type": "inline_equation" + }, + { + "bbox": [ + 403, + 645, + 442, + 660 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + } + ], + "index": 26 + } + ], + "index": 26 + }, + { + "type": "interline_equation", + "bbox": [ + 186, + 666, + 425, + 732 + ], + "lines": [ + { + "bbox": [ + 186, + 666, + 425, + 732 + ], + "spans": [ + { + "bbox": [ + 186, + 666, + 425, + 732 + ], + "score": 0.94, + "content": "\\begin{array} { l } { \\displaystyle \\operatorname* { P r } ( | | C - \\bar { \\Delta } | | > a ) \\leq 2 N \\exp \\left( - \\frac { 3 \\log ( 4 N / \\varepsilon ) } { 2 ( 1 + a / 3 ) } \\right) } \\\\ { \\leq 2 N \\exp \\left( - \\log ( 4 N / \\varepsilon ) \\right) \\quad \\displaystyle ( \\because a < 1 ) } \\\\ { = \\displaystyle \\frac { \\varepsilon } { 2 } . } \\end{array}", + "type": "interline_equation", + "image_path": "fc09ff0f9c9bdeeb3f37e0f6c7e58b8b98a7adbcd430ca7cb03b465487d743d3.jpg" + } + ] + } + ], + "index": 28.5, + "virtual_lines": [ + { + "bbox": [ + 186, + 666, + 425, + 682.5 + ], + "spans": [], + "index": 27 + }, + { + "bbox": [ + 186, + 682.5, + 425, + 699.0 + ], + "spans": [], + "index": 28 + }, + { + "bbox": [ + 186, + 699.0, + 425, + 715.5 + ], + "spans": [], + "index": 29 + }, + { + "bbox": [ + 186, + 715.5, + 425, + 732.0 + ], + "spans": [], + "index": 30 + } + ] + } + ], + "page_idx": 18, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 106, + 26, + 294, + 38 + ], + "lines": [ + { + "bbox": [ + 106, + 25, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 25, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 300, + 751, + 311, + 760 + ], + "lines": [ + { + "bbox": [ + 299, + 750, + 312, + 765 + ], + "spans": [ + { + "bbox": [ + 299, + 750, + 312, + 765 + ], + "score": 1.0, + "content": "19", + "type": "text" + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "text", + "bbox": [ + 106, + 80, + 506, + 127 + ], + "lines": [ + { + "bbox": [ + 104, + 80, + 507, + 100 + ], + "spans": [ + { + "bbox": [ + 104, + 80, + 258, + 99 + ], + "score": 1.0, + "content": "Proof. By Weyl’s theorem, we have", + "type": "text" + }, + { + "bbox": [ + 259, + 80, + 433, + 100 + ], + "score": 0.93, + "content": "\\begin{array} { r } { \\operatorname* { m a x } _ { n \\in [ N ] } \\left| \\lambda _ { n } ( \\tilde { \\Delta } ) - \\lambda _ { n } ( \\bar { \\Delta } ) \\right| \\leq \\| \\tilde { \\Delta } - \\bar { \\Delta } \\| } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 434, + 80, + 507, + 99 + ], + "score": 1.0, + "content": ". Therefore, it is", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 105, + 97, + 506, + 114 + ], + "spans": [ + { + "bbox": [ + 105, + 97, + 180, + 114 + ], + "score": 1.0, + "content": "enough to bound", + "type": "text" + }, + { + "bbox": [ + 181, + 99, + 222, + 113 + ], + "score": 0.91, + "content": "\\| \\tilde { \\Delta } - \\bar { \\Delta } \\|", + "type": "inline_equation" + }, + { + "bbox": [ + 222, + 97, + 247, + 114 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 248, + 100, + 340, + 112 + ], + "score": 0.9, + "content": "C : = I _ { N } - \\bar { D } ^ { - \\frac { 1 } { 2 } } \\tilde { A } \\bar { D }", + "type": "inline_equation" + }, + { + "bbox": [ + 340, + 97, + 506, + 114 + ], + "score": 1.0, + "content": ". By the triangular inequality, we have", + "type": "text" + } + ], + "index": 1 + }, + { + "bbox": [ + 107, + 111, + 414, + 128 + ], + "spans": [ + { + "bbox": [ + 107, + 112, + 248, + 126 + ], + "score": 0.91, + "content": "\\| \\tilde { \\Delta } - \\bar { \\Delta } \\| \\leq \\| \\tilde { \\Delta } - C \\| + \\| C - \\bar { \\Delta } \\|", + "type": "inline_equation" + }, + { + "bbox": [ + 249, + 111, + 414, + 128 + ], + "score": 1.0, + "content": ". We will bound these terms respectively.", + "type": "text" + } + ], + "index": 2 + } + ], + "index": 1, + "bbox_fs": [ + 104, + 80, + 507, + 128 + ] + }, + { + "type": "text", + "bbox": [ + 105, + 130, + 504, + 156 + ], + "lines": [ + { + "bbox": [ + 104, + 130, + 504, + 145 + ], + "spans": [ + { + "bbox": [ + 104, + 130, + 170, + 144 + ], + "score": 1.0, + "content": "First, we bound", + "type": "text" + }, + { + "bbox": [ + 170, + 131, + 205, + 145 + ], + "score": 0.93, + "content": "\\| C - { \\bar { \\Delta } } \\|", + "type": "inline_equation" + }, + { + "bbox": [ + 205, + 130, + 308, + 144 + ], + "score": 1.0, + "content": ". Direct calculation shows", + "type": "text" + }, + { + "bbox": [ + 308, + 130, + 428, + 145 + ], + "score": 0.93, + "content": "C - \\bar { \\Delta } = - \\bar { D } ^ { - \\frac { 1 } { 2 } } ( A { - } P ) \\bar { D } ^ { - \\frac { 1 } { 2 } }", + "type": "inline_equation" + }, + { + "bbox": [ + 428, + 130, + 447, + 144 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 447, + 131, + 504, + 143 + ], + "score": 0.86, + "content": "E ^ { i j } \\in \\mathbb { R } ^ { N \\times N }", + "type": "inline_equation" + } + ], + "index": 3 + }, + { + "bbox": [ + 105, + 142, + 199, + 157 + ], + "spans": [ + { + "bbox": [ + 105, + 142, + 199, + 157 + ], + "score": 1.0, + "content": "be a matrix defined by", + "type": "text" + } + ], + "index": 4 + } + ], + "index": 3.5, + "bbox_fs": [ + 104, + 130, + 504, + 157 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 190, + 164, + 419, + 192 + ], + "lines": [ + { + "bbox": [ + 190, + 164, + 419, + 192 + ], + "spans": [ + { + "bbox": [ + 190, + 164, + 419, + 192 + ], + "score": 0.73, + "content": "( E ^ { i j } ) _ { k l } = { \\left\\{ \\begin{array} { l l } { 1 } & { { \\mathrm { i f ~ } } ( i = k { \\mathrm { ~ a n d ~ } } i = l ) { \\mathrm { ~ o r ~ } } ( i = l { \\mathrm { ~ a n d ~ } } j = k ) , } \\\\ { 0 } & { { \\mathrm { o t h e r w i s e . } } } \\end{array} \\right. }", + "type": "interline_equation", + "image_path": "fe9cdfdb83f038780d2070d9493f39f5009327a9c0eb6768b53b00ddfffcfe9a.jpg" + } + ] + } + ], + "index": 5, + "virtual_lines": [ + { + "bbox": [ + 190, + 164, + 419, + 192 + ], + "spans": [], + "index": 5 + } + ] + }, + { + "type": "text", + "bbox": [ + 107, + 199, + 258, + 212 + ], + "lines": [ + { + "bbox": [ + 106, + 197, + 258, + 214 + ], + "spans": [ + { + "bbox": [ + 106, + 197, + 230, + 214 + ], + "score": 1.0, + "content": "We define the random variable", + "type": "text" + }, + { + "bbox": [ + 231, + 200, + 245, + 212 + ], + "score": 0.9, + "content": "Y _ { i j }", + "type": "inline_equation" + }, + { + "bbox": [ + 245, + 197, + 258, + 214 + ], + "score": 1.0, + "content": "by", + "type": "text" + } + ], + "index": 6 + } + ], + "index": 6, + "bbox_fs": [ + 106, + 197, + 258, + 214 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 246, + 219, + 365, + 248 + ], + "lines": [ + { + "bbox": [ + 246, + 219, + 365, + 248 + ], + "spans": [ + { + "bbox": [ + 246, + 219, + 365, + 248 + ], + "score": 0.94, + "content": "Y _ { i j } : = \\frac { A _ { i j } - p _ { i j } } { \\sqrt { t _ { i } + 1 } \\sqrt { t _ { j } + 1 } } E ^ { i j } .", + "type": "interline_equation", + "image_path": "d4cfac4151ae12a2d38b39962bf8e377443e15fc5af480baf66fe0bf602e815e.jpg" + } + ] + } + ], + "index": 7, + "virtual_lines": [ + { + "bbox": [ + 246, + 219, + 365, + 248 + ], + "spans": [], + "index": 7 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 256, + 505, + 287 + ], + "lines": [ + { + "bbox": [ + 100, + 250, + 511, + 294 + ], + "spans": [ + { + "bbox": [ + 100, + 261, + 185, + 294 + ], + "score": 1.0, + "content": "ij Radcliffe (2011) to", + "type": "text" + }, + { + "bbox": [ + 101, + 250, + 132, + 279 + ], + "score": 1.0, + "content": "Then,", + "type": "text" + }, + { + "bbox": [ + 146, + 250, + 274, + 279 + ], + "score": 1.0, + "content": "’s are independent and we have", + "type": "text" + }, + { + "bbox": [ + 185, + 273, + 199, + 286 + ], + "score": 0.89, + "content": "Y _ { i j }", + "type": "inline_equation" + }, + { + "bbox": [ + 199, + 261, + 251, + 294 + ], + "score": 1.0, + "content": "’s, we bound", + "type": "text" + }, + { + "bbox": [ + 252, + 273, + 312, + 286 + ], + "score": 0.93, + "content": "\\| Y _ { i j } - \\mathbb { E } [ Y _ { i j } ] \\|", + "type": "inline_equation" + }, + { + "bbox": [ + 275, + 256, + 363, + 272 + ], + "score": 0.94, + "content": "\\begin{array} { r } { C - \\bar { \\Delta } = \\sum _ { i , j = 1 } ^ { N } Y _ { i j } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 312, + 261, + 331, + 294 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 331, + 271, + 399, + 287 + ], + "score": 0.92, + "content": "\\| \\Sigma _ { i , j = 1 } ^ { N } \\mathbb { E } [ Y _ { i j } ^ { 2 } ] \\|", + "type": "inline_equation" + }, + { + "bbox": [ + 363, + 250, + 511, + 279 + ], + "score": 1.0, + "content": ". To apply Theorem 5 of Chung &", + "type": "text" + }, + { + "bbox": [ + 400, + 261, + 469, + 294 + ], + "score": 1.0, + "content": ". First, we have", + "type": "text" + } + ], + "index": 8 + } + ], + "index": 8, + "bbox_fs": [ + 100, + 250, + 511, + 294 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 186, + 294, + 424, + 325 + ], + "lines": [ + { + "bbox": [ + 186, + 294, + 424, + 325 + ], + "spans": [ + { + "bbox": [ + 186, + 294, + 424, + 325 + ], + "score": 0.92, + "content": "\\| Y _ { i j } - \\mathbb { E } [ Y _ { i j } ] \\| = \\| Y _ { i j } \\| \\leq \\frac { \\| E ^ { i j } \\| } { \\sqrt { t _ { i } + 1 } \\sqrt { t _ { j } + 1 } } \\leq ( \\delta + 1 ) ^ { - 1 } .", + "type": "interline_equation", + "image_path": "cae7c6b924677a28a81735f52c21a2db10cea67ace48042da7e719cbd90f9ece.jpg" + } + ] + } + ], + "index": 9, + "virtual_lines": [ + { + "bbox": [ + 186, + 294, + 424, + 325 + ], + "spans": [], + "index": 9 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 331, + 131, + 343 + ], + "lines": [ + { + "bbox": [ + 106, + 330, + 132, + 344 + ], + "spans": [ + { + "bbox": [ + 106, + 330, + 132, + 344 + ], + "score": 1.0, + "content": "Since", + "type": "text" + } + ], + "index": 10 + } + ], + "index": 10, + "bbox_fs": [ + 106, + 330, + 132, + 344 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 200, + 348, + 409, + 378 + ], + "lines": [ + { + "bbox": [ + 200, + 348, + 409, + 378 + ], + "spans": [ + { + "bbox": [ + 200, + 348, + 409, + 378 + ], + "score": 0.92, + "content": "\\mathbb { E } [ Y _ { i j } ^ { 2 } ] = \\frac { p _ { i j } - p _ { i j } ^ { 2 } } { ( t _ { i } + 1 ) ( t _ { j } + 1 ) } \\left\\{ { E ^ { i i } + E ^ { j j } } \\begin{array} { l l } { ( \\mathrm { i f ~ } i \\ne j ) , } \\\\ { E ^ { i i } } & { ( \\mathrm { i f ~ } i = j ) , } \\end{array} \\right.", + "type": "interline_equation", + "image_path": "a52cf9e5e80dfb4e7363c299ec6286164906ebce3dececfbc73d458f5b45119c.jpg" + } + ] + } + ], + "index": 11, + "virtual_lines": [ + { + "bbox": [ + 200, + 348, + 409, + 378 + ], + "spans": [], + "index": 11 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 386, + 141, + 397 + ], + "lines": [ + { + "bbox": [ + 105, + 384, + 143, + 398 + ], + "spans": [ + { + "bbox": [ + 105, + 384, + 143, + 398 + ], + "score": 1.0, + "content": "we have", + "type": "text" + } + ], + "index": 12 + } + ], + "index": 12, + "bbox_fs": [ + 105, + 384, + 143, + 398 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 207, + 404, + 402, + 538 + ], + "lines": [ + { + "bbox": [ + 207, + 404, + 402, + 538 + ], + "spans": [ + { + "bbox": [ + 207, + 404, + 402, + 538 + ], + "score": 0.94, + "content": "\\begin{array} { r } { \\left| \\displaystyle \\sum _ { i , j = 1 } ^ { N } \\mathbb { E } [ Y _ { i j } ^ { 2 } ] \\right| = \\left| \\left| \\displaystyle \\sum _ { i , j = 1 } ^ { N } \\frac { p _ { i j } - p _ { i j } ^ { 2 } } { ( t _ { i } + 1 ) ( t _ { j } + 1 ) } E ^ { i i } \\right| \\right| } \\\\ { = \\displaystyle \\operatorname* { m a x } _ { i \\in [ N ] } \\left( \\displaystyle \\sum _ { j = 1 } ^ { N } \\frac { p _ { i j } - p _ { i j } ^ { 2 } } { ( t _ { i } + 1 ) ( t _ { j } + 1 ) } \\right) } \\\\ { \\leq \\displaystyle \\operatorname* { m a x } _ { i \\in [ N ] } \\left( \\displaystyle \\sum _ { j = 1 } ^ { N } \\frac { p _ { i j } } { ( t _ { i } + 1 ) ( t _ { j } + 1 ) } \\right) } \\\\ { \\leq ( \\delta + 1 ) ^ { - 1 } . } \\end{array}", + "type": "interline_equation", + "image_path": "671d8d0807c4af3435e2fc7a59b03aa66054295c22241b527c28d8f8d4f43a38.jpg" + } + ] + } + ], + "index": 16.5, + "virtual_lines": [ + { + "bbox": [ + 207, + 404, + 402, + 420.75 + ], + "spans": [], + "index": 13 + }, + { + "bbox": [ + 207, + 420.75, + 402, + 437.5 + ], + "spans": [], + "index": 14 + }, + { + "bbox": [ + 207, + 437.5, + 402, + 454.25 + ], + "spans": [], + "index": 15 + }, + { + "bbox": [ + 207, + 454.25, + 402, + 471.0 + ], + "spans": [], + "index": 16 + }, + { + "bbox": [ + 207, + 471.0, + 402, + 487.75 + ], + "spans": [], + "index": 17 + }, + { + "bbox": [ + 207, + 487.75, + 402, + 504.5 + ], + "spans": [], + "index": 18 + }, + { + "bbox": [ + 207, + 504.5, + 402, + 521.25 + ], + "spans": [], + "index": 19 + }, + { + "bbox": [ + 207, + 521.25, + 402, + 538.0 + ], + "spans": [], + "index": 20 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 546, + 505, + 577 + ], + "lines": [ + { + "bbox": [ + 105, + 546, + 505, + 566 + ], + "spans": [ + { + "bbox": [ + 105, + 551, + 148, + 564 + ], + "score": 1.0, + "content": "By letting", + "type": "text" + }, + { + "bbox": [ + 149, + 546, + 222, + 566 + ], + "score": 0.89, + "content": "\\begin{array} { r } { a \\gets \\sqrt { \\frac { 3 \\log ( 4 N / \\varepsilon ) } { \\delta + 1 } } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 222, + 546, + 227, + 566 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 227, + 549, + 293, + 564 + ], + "score": 0.52, + "content": "M \\gets ( \\delta + 1 ) ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 294, + 546, + 298, + 566 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 298, + 550, + 364, + 563 + ], + "score": 0.87, + "content": "v ^ { 2 } ( \\delta + 1 ) ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 364, + 546, + 505, + 566 + ], + "score": 1.0, + "content": "and applying Theorem 5 of Chung", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 105, + 563, + 223, + 577 + ], + "spans": [ + { + "bbox": [ + 105, + 563, + 223, + 577 + ], + "score": 1.0, + "content": "& Radcliffe (2011), we have", + "type": "text" + } + ], + "index": 22 + } + ], + "index": 21.5, + "bbox_fs": [ + 105, + 546, + 505, + 577 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 171, + 582, + 439, + 641 + ], + "lines": [ + { + "bbox": [ + 171, + 582, + 439, + 641 + ], + "spans": [ + { + "bbox": [ + 171, + 582, + 439, + 641 + ], + "score": 0.93, + "content": "\\begin{array} { r l } & { \\operatorname* { P r } ( \\| C - \\bar { \\Delta } \\| > a ) \\leq 2 N \\exp \\left( - \\displaystyle \\frac { a ^ { 2 } } { 2 ( \\delta + 1 ) ^ { - 1 } + 2 ( \\delta + 1 ) ^ { - 1 } a / 3 } \\right) } \\\\ & { \\phantom { \\operatorname* { P r } } \\leq 2 N \\exp \\left( - \\displaystyle \\frac { 3 \\log \\left( 4 N / \\varepsilon \\right) } { 2 ( 1 + a / 3 ) } \\right) . } \\end{array}", + "type": "interline_equation", + "image_path": "a1bcd9ba5a9bd225226118673c07e91de3eaf40dfa178bcc7be802d6733cac42.jpg" + } + ] + } + ], + "index": 24, + "virtual_lines": [ + { + "bbox": [ + 171, + 582, + 439, + 601.6666666666666 + ], + "spans": [], + "index": 23 + }, + { + "bbox": [ + 171, + 601.6666666666666, + 439, + 621.3333333333333 + ], + "spans": [], + "index": 24 + }, + { + "bbox": [ + 171, + 621.3333333333333, + 439, + 640.9999999999999 + ], + "spans": [], + "index": 25 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 645, + 443, + 660 + ], + "lines": [ + { + "bbox": [ + 105, + 645, + 442, + 660 + ], + "spans": [ + { + "bbox": [ + 105, + 645, + 187, + 660 + ], + "score": 1.0, + "content": "By the definition of", + "type": "text" + }, + { + "bbox": [ + 187, + 647, + 205, + 659 + ], + "score": 0.92, + "content": "k ( \\varepsilon )", + "type": "inline_equation" + }, + { + "bbox": [ + 206, + 645, + 244, + 660 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + }, + { + "bbox": [ + 245, + 648, + 270, + 657 + ], + "score": 0.89, + "content": "a < 1", + "type": "inline_equation" + }, + { + "bbox": [ + 270, + 645, + 279, + 660 + ], + "score": 1.0, + "content": "if", + "type": "text" + }, + { + "bbox": [ + 280, + 647, + 356, + 659 + ], + "score": 0.93, + "content": "\\delta + 1 > k ( \\varepsilon ) \\log n", + "type": "inline_equation" + }, + { + "bbox": [ + 356, + 645, + 397, + 660 + ], + "score": 1.0, + "content": ". For such", + "type": "text" + }, + { + "bbox": [ + 397, + 648, + 403, + 657 + ], + "score": 0.81, + "content": "\\delta", + "type": "inline_equation" + }, + { + "bbox": [ + 403, + 645, + 442, + 660 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + } + ], + "index": 26 + } + ], + "index": 26, + "bbox_fs": [ + 105, + 645, + 442, + 660 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 186, + 666, + 425, + 732 + ], + "lines": [ + { + "bbox": [ + 186, + 666, + 425, + 732 + ], + "spans": [ + { + "bbox": [ + 186, + 666, + 425, + 732 + ], + "score": 0.94, + "content": "\\begin{array} { l } { \\displaystyle \\operatorname* { P r } ( | | C - \\bar { \\Delta } | | > a ) \\leq 2 N \\exp \\left( - \\frac { 3 \\log ( 4 N / \\varepsilon ) } { 2 ( 1 + a / 3 ) } \\right) } \\\\ { \\leq 2 N \\exp \\left( - \\log ( 4 N / \\varepsilon ) \\right) \\quad \\displaystyle ( \\because a < 1 ) } \\\\ { = \\displaystyle \\frac { \\varepsilon } { 2 } . } \\end{array}", + "type": "interline_equation", + "image_path": "fc09ff0f9c9bdeeb3f37e0f6c7e58b8b98a7adbcd430ca7cb03b465487d743d3.jpg" + } + ] + } + ], + "index": 28.5, + "virtual_lines": [ + { + "bbox": [ + 186, + 666, + 425, + 682.5 + ], + "spans": [], + "index": 27 + }, + { + "bbox": [ + 186, + 682.5, + 425, + 699.0 + ], + "spans": [], + "index": 28 + }, + { + "bbox": [ + 186, + 699.0, + 425, + 715.5 + ], + "spans": [], + "index": 29 + }, + { + "bbox": [ + 186, + 715.5, + 425, + 732.0 + ], + "spans": [], + "index": 30 + } + ] + } + ] + }, + { + "preproc_blocks": [ + { + "type": "text", + "bbox": [ + 105, + 81, + 505, + 105 + ], + "lines": [ + { + "bbox": [ + 105, + 81, + 505, + 96 + ], + "spans": [ + { + "bbox": [ + 105, + 81, + 174, + 96 + ], + "score": 1.0, + "content": "Next, we bound", + "type": "text" + }, + { + "bbox": [ + 175, + 81, + 215, + 95 + ], + "score": 0.93, + "content": "\\| \\tilde { \\Delta } - C \\|", + "type": "inline_equation" + }, + { + "bbox": [ + 215, + 81, + 270, + 96 + ], + "score": 1.0, + "content": ". First, since", + "type": "text" + }, + { + "bbox": [ + 270, + 83, + 297, + 93 + ], + "score": 0.92, + "content": "a < 1", + "type": "inline_equation" + }, + { + "bbox": [ + 298, + 81, + 505, + 96 + ], + "score": 1.0, + "content": ", by Chernoff bound (see, e.g. Angluin & Valiant", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 106, + 93, + 278, + 106 + ], + "spans": [ + { + "bbox": [ + 106, + 93, + 278, + 106 + ], + "score": 1.0, + "content": "(1979); Hagerup & Rub (1990))), we have ¨", + "type": "text" + } + ], + "index": 1 + } + ], + "index": 0.5 + }, + { + "type": "interline_equation", + "bbox": [ + 200, + 108, + 409, + 188 + ], + "lines": [ + { + "bbox": [ + 200, + 108, + 409, + 188 + ], + "spans": [ + { + "bbox": [ + 200, + 108, + 409, + 188 + ], + "score": 0.94, + "content": "\\begin{array} { r l r } { { \\operatorname* { P r } ( | d _ { i } - t _ { i } | > a ( t _ { i } + 1 ) ) \\le 2 \\exp ( - \\frac { a ^ { 2 } ( t _ { i } + 1 ) } { 3 } ) } } \\\\ & { } & \\\\ & { } & { \\le 2 \\exp ( - \\frac { a ^ { 2 } ( \\delta + 1 ) } { 3 } ) } \\\\ & { } & { = \\frac { \\varepsilon } { 2 N } . } \\end{array}", + "type": "interline_equation", + "image_path": "74d357cc81d67fef8ac3d521a2d5baabb76cb5a42dfb3a5cb3a28999d9b09ecd.jpg" + } + ] + } + ], + "index": 4, + "virtual_lines": [ + { + "bbox": [ + 200, + 108, + 409, + 124.0 + ], + "spans": [], + "index": 2 + }, + { + "bbox": [ + 200, + 124.0, + 409, + 140.0 + ], + "spans": [], + "index": 3 + }, + { + "bbox": [ + 200, + 140.0, + 409, + 156.0 + ], + "spans": [], + "index": 4 + }, + { + "bbox": [ + 200, + 156.0, + 409, + 172.0 + ], + "spans": [], + "index": 5 + }, + { + "bbox": [ + 200, + 172.0, + 409, + 188.0 + ], + "spans": [], + "index": 6 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 189, + 303, + 201 + ], + "lines": [ + { + "bbox": [ + 106, + 189, + 302, + 202 + ], + "spans": [ + { + "bbox": [ + 106, + 189, + 159, + 202 + ], + "score": 1.0, + "content": "Therefore, if", + "type": "text" + }, + { + "bbox": [ + 160, + 189, + 244, + 201 + ], + "score": 0.92, + "content": "| d _ { i } - t _ { i } | \\leq a ( t _ { i } + 1 )", + "type": "inline_equation" + }, + { + "bbox": [ + 244, + 189, + 302, + 202 + ], + "score": 1.0, + "content": ", then we have", + "type": "text" + } + ], + "index": 7 + } + ], + "index": 7 + }, + { + "type": "interline_equation", + "bbox": [ + 165, + 204, + 445, + 280 + ], + "lines": [ + { + "bbox": [ + 165, + 204, + 445, + 280 + ], + "spans": [ + { + "bbox": [ + 165, + 204, + 445, + 280 + ], + "score": 0.93, + "content": "\\begin{array} { r l r } { \\left. \\sqrt { \\displaystyle \\frac { d _ { i } + 1 } { t _ { i } + 1 } } - 1 \\right. \\le \\left. \\displaystyle \\frac { d _ { i } + 1 } { t _ { i } + 1 } - 1 \\right. } & { \\left( \\cdot \\cdot | \\sqrt { x } - 1 | \\le | x - 1 | \\mathrm { \\ f o r \\ } x \\ge 0 \\right) } & \\\\ { = \\displaystyle \\left. \\displaystyle \\frac { d _ { i } - t _ { i } } { t _ { i } + 1 } \\right. } & \\\\ { \\le a . } & \\end{array}", + "type": "interline_equation", + "image_path": "c1060e4c83d8629475673c96d2ea0f7c95c94f2a4a6eb00fc748a911f99f3501.jpg" + } + ] + } + ], + "index": 9, + "virtual_lines": [ + { + "bbox": [ + 165, + 204, + 445, + 229.33333333333334 + ], + "spans": [], + "index": 8 + }, + { + "bbox": [ + 165, + 229.33333333333334, + 445, + 254.66666666666669 + ], + "spans": [], + "index": 9 + }, + { + "bbox": [ + 165, + 254.66666666666669, + 445, + 280.0 + ], + "spans": [], + "index": 10 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 283, + 253, + 294 + ], + "lines": [ + { + "bbox": [ + 106, + 281, + 253, + 296 + ], + "spans": [ + { + "bbox": [ + 106, + 281, + 253, + 296 + ], + "score": 1.0, + "content": "Therefore, by union bound, we have", + "type": "text" + } + ], + "index": 11 + } + ], + "index": 11 + }, + { + "type": "interline_equation", + "bbox": [ + 212, + 297, + 399, + 331 + ], + "lines": [ + { + "bbox": [ + 212, + 297, + 399, + 331 + ], + "spans": [ + { + "bbox": [ + 212, + 297, + 399, + 331 + ], + "score": 0.94, + "content": "\\| \\bar { D } ^ { - \\frac { 1 } { 2 } } \\tilde { D } ^ { \\frac { 1 } { 2 } } - I _ { N } \\| = \\operatorname* { m a x } _ { i \\in [ N ] } \\left| \\sqrt { \\frac { d _ { i } + 1 } { t _ { i } + 1 } } - 1 \\right| \\leq a", + "type": "interline_equation", + "image_path": "277ca10271cab09840a50b713b61446378a2676bf929d31999e2bd31576d319d.jpg" + } + ] + } + ], + "index": 12.5, + "virtual_lines": [ + { + "bbox": [ + 212, + 297, + 399, + 314.0 + ], + "spans": [], + "index": 12 + }, + { + "bbox": [ + 212, + 314.0, + 399, + 331.0 + ], + "spans": [], + "index": 13 + } + ] + }, + { + "type": "text", + "bbox": [ + 108, + 334, + 504, + 369 + ], + "lines": [ + { + "bbox": [ + 106, + 333, + 505, + 347 + ], + "spans": [ + { + "bbox": [ + 106, + 333, + 203, + 347 + ], + "score": 1.0, + "content": "with probability at least", + "type": "text" + }, + { + "bbox": [ + 204, + 334, + 236, + 346 + ], + "score": 0.92, + "content": "1 - \\varepsilon / 2", + "type": "inline_equation" + }, + { + "bbox": [ + 236, + 333, + 505, + 347 + ], + "score": 1.0, + "content": ". Further, since the eigenvalue of the augmented normalized Lapla-", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 105, + 345, + 506, + 361 + ], + "spans": [ + { + "bbox": [ + 105, + 345, + 147, + 361 + ], + "score": 1.0, + "content": "cian is in", + "type": "text" + }, + { + "bbox": [ + 148, + 347, + 168, + 359 + ], + "score": 0.66, + "content": "[ 0 , 2 ]", + "type": "inline_equation" + }, + { + "bbox": [ + 168, + 345, + 332, + 361 + ], + "score": 1.0, + "content": "by the proof of Proposition 1, we have", + "type": "text" + }, + { + "bbox": [ + 333, + 345, + 397, + 359 + ], + "score": 0.94, + "content": "\\| I _ { N } - \\tilde { \\Delta } \\| \\leq \\bar { 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 398, + 345, + 506, + 361 + ], + "score": 1.0, + "content": ". By combining them, we", + "type": "text" + } + ], + "index": 15 + }, + { + "bbox": [ + 105, + 357, + 128, + 370 + ], + "spans": [ + { + "bbox": [ + 105, + 357, + 128, + 370 + ], + "score": 1.0, + "content": "have", + "type": "text" + } + ], + "index": 16 + } + ], + "index": 15 + }, + { + "type": "interline_equation", + "bbox": [ + 145, + 368, + 466, + 418 + ], + "lines": [ + { + "bbox": [ + 145, + 368, + 466, + 418 + ], + "spans": [ + { + "bbox": [ + 145, + 368, + 466, + 418 + ], + "score": 0.93, + "content": "\\begin{array} { r l } & { \\| \\tilde { \\Delta } - C \\| = \\| ( \\bar { D } ^ { - \\frac { 1 } { 2 } } \\tilde { D } ^ { \\frac { 1 } { 2 } } - I _ { N } ) ( I _ { N } - \\tilde { \\Delta } ) \\tilde { D } ^ { \\frac { 1 } { 2 } } \\bar { D } ^ { - \\frac { 1 } { 2 } } + ( I _ { N } - \\tilde { \\Delta } ) ( I - \\tilde { D } ^ { \\frac { 1 } { 2 } } \\bar { D } ^ { - \\frac { 1 } { 2 } } ) \\| } \\\\ & { \\qquad \\leq \\| ( \\bar { D } ^ { - \\frac { 1 } { 2 } } \\tilde { D } ^ { \\frac { 1 } { 2 } } - I _ { N } \\| \\| \\tilde { D } ^ { \\frac { 1 } { 2 } } \\bar { D } ^ { - \\frac { 1 } { 2 } } \\| + \\| I - \\tilde { D } ^ { \\frac { 1 } { 2 } } \\bar { D } ^ { - \\frac { 1 } { 2 } } \\| } \\\\ & { \\qquad \\leq a ( a + 1 ) + a . } \\end{array}", + "type": "interline_equation", + "image_path": "b36d7b90316bd484e3acdd5b2078ffc194317e76183ac3b51ff553211a8c7236.jpg" + } + ] + } + ], + "index": 18, + "virtual_lines": [ + { + "bbox": [ + 145, + 368, + 466, + 384.6666666666667 + ], + "spans": [], + "index": 17 + }, + { + "bbox": [ + 145, + 384.6666666666667, + 466, + 401.33333333333337 + ], + "spans": [], + "index": 18 + }, + { + "bbox": [ + 145, + 401.33333333333337, + 466, + 418.00000000000006 + ], + "spans": [], + "index": 19 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 420, + 213, + 432 + ], + "lines": [ + { + "bbox": [ + 106, + 420, + 213, + 433 + ], + "spans": [ + { + "bbox": [ + 106, + 420, + 213, + 433 + ], + "score": 1.0, + "content": "From (5) and (6), we have", + "type": "text" + } + ], + "index": 20 + } + ], + "index": 20 + }, + { + "type": "interline_equation", + "bbox": [ + 233, + 433, + 377, + 494 + ], + "lines": [ + { + "bbox": [ + 233, + 433, + 377, + 494 + ], + "spans": [ + { + "bbox": [ + 233, + 433, + 377, + 494 + ], + "score": 0.94, + "content": "\\begin{array} { r l } & { \\| \\tilde { \\Delta } - \\bar { \\Delta } \\| \\leq \\| \\tilde { \\Delta } - C \\| + \\| C - \\bar { \\Delta } \\| } \\\\ & { \\qquad \\leq a + a ( a + 1 ) + a } \\\\ & { \\qquad \\leq a ^ { 2 } + 3 a } \\\\ & { \\qquad \\leq 4 a \\quad ( \\because a < 1 ) } \\end{array}", + "type": "interline_equation", + "image_path": "7da86c93036b713cc0974d5bb45826b01ccbb959f3adf50cc6bf75e87c2a16ef.jpg" + } + ] + } + ], + "index": 21.5, + "virtual_lines": [ + { + "bbox": [ + 233, + 433, + 377, + 463.5 + ], + "spans": [], + "index": 21 + }, + { + "bbox": [ + 233, + 463.5, + 377, + 494.0 + ], + "spans": [], + "index": 22 + } + ] + }, + { + "type": "text", + "bbox": [ + 107, + 509, + 294, + 522 + ], + "lines": [ + { + "bbox": [ + 105, + 508, + 295, + 523 + ], + "spans": [ + { + "bbox": [ + 105, + 508, + 203, + 523 + ], + "score": 1.0, + "content": "with probability at least", + "type": "text" + }, + { + "bbox": [ + 204, + 510, + 227, + 520 + ], + "score": 0.87, + "content": "1 - \\varepsilon", + "type": "inline_equation" + }, + { + "bbox": [ + 227, + 508, + 295, + 523 + ], + "score": 1.0, + "content": "by union bound.", + "type": "text" + } + ], + "index": 23 + } + ], + "index": 23 + }, + { + "type": "text", + "bbox": [ + 106, + 532, + 506, + 608 + ], + "lines": [ + { + "bbox": [ + 105, + 533, + 504, + 546 + ], + "spans": [ + { + "bbox": [ + 105, + 533, + 122, + 546 + ], + "score": 1.0, + "content": "Let", + "type": "text" + }, + { + "bbox": [ + 122, + 534, + 158, + 545 + ], + "score": 0.91, + "content": "N \\in { \\mathbb { N } } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 158, + 533, + 176, + 546 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 176, + 534, + 200, + 545 + ], + "score": 0.89, + "content": "p > 0", + "type": "inline_equation" + }, + { + "bbox": [ + 201, + 533, + 351, + 546 + ], + "score": 1.0, + "content": ". In the case of the Erdos-R ˝ enyi graph ´", + "type": "text" + }, + { + "bbox": [ + 352, + 534, + 374, + 545 + ], + "score": 0.89, + "content": "G _ { N , p }", + "type": "inline_equation" + }, + { + "bbox": [ + 374, + 533, + 433, + 546 + ], + "score": 1.0, + "content": ", we should set", + "type": "text" + }, + { + "bbox": [ + 434, + 533, + 504, + 545 + ], + "score": 0.9, + "content": "P = p ( J _ { N } - I _ { N } )", + "type": "inline_equation" + } + ], + "index": 24 + }, + { + "bbox": [ + 104, + 542, + 505, + 559 + ], + "spans": [ + { + "bbox": [ + 104, + 542, + 134, + 559 + ], + "score": 1.0, + "content": "where", + "type": "text" + }, + { + "bbox": [ + 134, + 545, + 190, + 556 + ], + "score": 0.92, + "content": "J _ { N } \\in \\mathbb { R } ^ { N \\times N }", + "type": "inline_equation" + }, + { + "bbox": [ + 190, + 542, + 348, + 559 + ], + "score": 1.0, + "content": "are the all-one matrix. Then, we have", + "type": "text" + }, + { + "bbox": [ + 349, + 545, + 446, + 557 + ], + "score": 0.89, + "content": "\\bar { A } = p J _ { N } + ( 1 - p ) I _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 446, + 542, + 450, + 559 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 451, + 545, + 505, + 558 + ], + "score": 0.89, + "content": "\\bar { D } = ( N p -", + "type": "inline_equation" + } + ], + "index": 25 + }, + { + "bbox": [ + 106, + 555, + 506, + 571 + ], + "spans": [ + { + "bbox": [ + 106, + 557, + 146, + 569 + ], + "score": 0.91, + "content": "p + 1 ) I _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 146, + 556, + 168, + 569 + ], + "score": 1.0, + "content": ", and", + "type": "text" + }, + { + "bbox": [ + 168, + 556, + 281, + 571 + ], + "score": 0.93, + "content": "\\begin{array} { r } { \\bar { \\Delta } = \\frac { p } { N p - p + 1 } ( N I _ { N } - J _ { N } ) } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 281, + 555, + 383, + 570 + ], + "score": 1.0, + "content": ". Since the eigenvalue of", + "type": "text" + }, + { + "bbox": [ + 384, + 558, + 397, + 568 + ], + "score": 0.9, + "content": "J _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 398, + 555, + 408, + 570 + ], + "score": 1.0, + "content": "is", + "type": "text" + }, + { + "bbox": [ + 409, + 558, + 419, + 567 + ], + "score": 0.81, + "content": "N", + "type": "inline_equation" + }, + { + "bbox": [ + 420, + 555, + 506, + 570 + ], + "score": 1.0, + "content": "(with multiplicity 1)", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 105, + 569, + 506, + 587 + ], + "spans": [ + { + "bbox": [ + 105, + 569, + 205, + 587 + ], + "score": 1.0, + "content": "and 0 (with multiplicity", + "type": "text" + }, + { + "bbox": [ + 205, + 572, + 235, + 583 + ], + "score": 0.87, + "content": "N - 1 ,", + "type": "inline_equation" + }, + { + "bbox": [ + 235, + 569, + 313, + 587 + ], + "score": 1.0, + "content": "), the eigenvalue of", + "type": "text" + }, + { + "bbox": [ + 313, + 570, + 323, + 582 + ], + "score": 0.86, + "content": "\\bar { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 324, + 569, + 445, + 587 + ], + "score": 1.0, + "content": "is 0 (with multiplicity 1) and", + "type": "text" + }, + { + "bbox": [ + 445, + 570, + 480, + 586 + ], + "score": 0.94, + "content": "\\frac { N p } { N p - p + 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 480, + 571, + 506, + 585 + ], + "score": 1.0, + "content": "(with", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 105, + 584, + 506, + 598 + ], + "spans": [ + { + "bbox": [ + 105, + 584, + 156, + 598 + ], + "score": 1.0, + "content": "multiplicity", + "type": "text" + }, + { + "bbox": [ + 156, + 585, + 187, + 596 + ], + "score": 0.83, + "content": "N - 1 )", + "type": "inline_equation" + }, + { + "bbox": [ + 187, + 584, + 212, + 598 + ], + "score": 1.0, + "content": ". For", + "type": "text" + }, + { + "bbox": [ + 212, + 585, + 234, + 597 + ], + "score": 0.86, + "content": "G _ { N , p }", + "type": "inline_equation" + }, + { + "bbox": [ + 234, + 584, + 239, + 598 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 239, + 586, + 245, + 595 + ], + "score": 0.63, + "content": "\\delta", + "type": "inline_equation" + }, + { + "bbox": [ + 245, + 584, + 375, + 598 + ], + "score": 1.0, + "content": "is the expected average degree", + "type": "text" + }, + { + "bbox": [ + 375, + 585, + 416, + 597 + ], + "score": 0.92, + "content": "( N - 1 ) p", + "type": "inline_equation" + }, + { + "bbox": [ + 416, + 584, + 506, + 598 + ], + "score": 1.0, + "content": ". Hence, we have the", + "type": "text" + } + ], + "index": 28 + }, + { + "bbox": [ + 106, + 596, + 242, + 608 + ], + "spans": [ + { + "bbox": [ + 106, + 596, + 242, + 608 + ], + "score": 1.0, + "content": "following lemma from Lemma 5:", + "type": "text" + } + ], + "index": 29 + } + ], + "index": 26.5 + }, + { + "type": "text", + "bbox": [ + 105, + 610, + 505, + 638 + ], + "lines": [ + { + "bbox": [ + 105, + 609, + 505, + 626 + ], + "spans": [ + { + "bbox": [ + 105, + 609, + 169, + 626 + ], + "score": 1.0, + "content": "Lemma 6. Let", + "type": "text" + }, + { + "bbox": [ + 170, + 610, + 179, + 621 + ], + "score": 0.81, + "content": "\\tilde { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 180, + 609, + 444, + 626 + ], + "score": 1.0, + "content": "be its augmented normalized Laplacian of the Erdos-R ˝ enyi graph ´", + "type": "text" + }, + { + "bbox": [ + 444, + 612, + 466, + 624 + ], + "score": 0.91, + "content": "G _ { N , p }", + "type": "inline_equation" + }, + { + "bbox": [ + 467, + 609, + 505, + 626 + ], + "score": 1.0, + "content": ". For any", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 106, + 618, + 478, + 640 + ], + "spans": [ + { + "bbox": [ + 106, + 624, + 131, + 636 + ], + "score": 0.77, + "content": "\\varepsilon > 0 ,", + "type": "inline_equation" + }, + { + "bbox": [ + 132, + 623, + 289, + 639 + ], + "score": 0.87, + "content": "\\begin{array} { r } { i f \\frac { N p - p + 1 } { \\log N } > k ( \\varepsilon ) : = 3 ( 1 + \\log ( 4 / \\varepsilon ) ) } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 290, + 618, + 413, + 640 + ], + "score": 1.0, + "content": ", then, with probability at least", + "type": "text" + }, + { + "bbox": [ + 414, + 625, + 436, + 635 + ], + "score": 0.86, + "content": "1 - \\varepsilon", + "type": "inline_equation" + }, + { + "bbox": [ + 437, + 618, + 478, + 640 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + } + ], + "index": 31 + } + ], + "index": 30.5 + }, + { + "type": "interline_equation", + "bbox": [ + 198, + 642, + 412, + 675 + ], + "lines": [ + { + "bbox": [ + 198, + 642, + 412, + 675 + ], + "spans": [ + { + "bbox": [ + 198, + 642, + 412, + 675 + ], + "score": 0.92, + "content": "\\operatorname* { m a x } _ { i = 2 , \\ldots , N } \\left| \\lambda _ { i } ( \\tilde { \\Delta } ) - \\frac { N p } { N p - p + 1 } \\right| \\leq 4 \\sqrt { \\frac { 3 \\log ( 4 N / \\varepsilon ) } { N p - p + 1 } } .", + "type": "interline_equation", + "image_path": "e0c336f319cdb5b4687e3e0d749c2480665543a37bcb8772f9437612db712e00.jpg" + } + ] + } + ], + "index": 32.5, + "virtual_lines": [ + { + "bbox": [ + 198, + 642, + 412, + 658.5 + ], + "spans": [], + "index": 32 + }, + { + "bbox": [ + 198, + 658.5, + 412, + 675.0 + ], + "spans": [], + "index": 33 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 678, + 506, + 733 + ], + "lines": [ + { + "bbox": [ + 105, + 676, + 506, + 691 + ], + "spans": [ + { + "bbox": [ + 105, + 676, + 241, + 691 + ], + "score": 1.0, + "content": "Corollary 4. Consider GCN on", + "type": "text" + }, + { + "bbox": [ + 241, + 679, + 263, + 690 + ], + "score": 0.89, + "content": "G _ { N , p }", + "type": "inline_equation" + }, + { + "bbox": [ + 264, + 676, + 287, + 691 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 287, + 678, + 300, + 689 + ], + "score": 0.82, + "content": "W _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 300, + 676, + 387, + 691 + ], + "score": 1.0, + "content": "be the weight of the", + "type": "text" + }, + { + "bbox": [ + 388, + 679, + 392, + 688 + ], + "score": 0.55, + "content": "l", + "type": "inline_equation" + }, + { + "bbox": [ + 392, + 676, + 482, + 691 + ], + "score": 1.0, + "content": "-th layer of GCN and", + "type": "text" + }, + { + "bbox": [ + 482, + 680, + 491, + 689 + ], + "score": 0.79, + "content": "s _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 491, + 676, + 506, + 691 + ], + "score": 1.0, + "content": "be", + "type": "text" + } + ], + "index": 34 + }, + { + "bbox": [ + 105, + 688, + 505, + 704 + ], + "spans": [ + { + "bbox": [ + 105, + 688, + 235, + 704 + ], + "score": 1.0, + "content": "the maximum singular value of", + "type": "text" + }, + { + "bbox": [ + 235, + 690, + 248, + 700 + ], + "score": 0.81, + "content": "W _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 248, + 688, + 265, + 704 + ], + "score": 1.0, + "content": "for", + "type": "text" + }, + { + "bbox": [ + 265, + 690, + 297, + 701 + ], + "score": 0.89, + "content": "l \\in \\mathbb { N } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 297, + 688, + 318, + 704 + ], + "score": 1.0, + "content": ". Set", + "type": "text" + }, + { + "bbox": [ + 318, + 691, + 375, + 703 + ], + "score": 0.87, + "content": "s : = \\mathrm { s u p } _ { l \\in \\mathbb { N } _ { + } }", + "type": "inline_equation" + }, + { + "bbox": [ + 375, + 688, + 397, + 704 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 397, + 690, + 423, + 699 + ], + "score": 0.91, + "content": "\\varepsilon > 0", + "type": "inline_equation" + }, + { + "bbox": [ + 423, + 688, + 470, + 704 + ], + "score": 1.0, + "content": ". We define", + "type": "text" + }, + { + "bbox": [ + 470, + 689, + 505, + 701 + ], + "score": 0.91, + "content": "k ( \\varepsilon ) : =", + "type": "inline_equation" + } + ], + "index": 35 + }, + { + "bbox": [ + 107, + 700, + 507, + 723 + ], + "spans": [ + { + "bbox": [ + 107, + 706, + 171, + 719 + ], + "score": 0.9, + "content": "3 ( 1 + \\log ( 4 / \\varepsilon ) )", + "type": "inline_equation" + }, + { + "bbox": [ + 171, + 700, + 191, + 723 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 191, + 704, + 345, + 722 + ], + "score": 0.91, + "content": "\\begin{array} { r } { l ( N , p , \\varepsilon ) = { \\frac { 1 - p } { N p - p + 1 } } + 4 { \\sqrt { \\frac { 3 \\log ( 4 N / \\varepsilon ) } { N p - p + 1 } } } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 345, + 700, + 355, + 723 + ], + "score": 1.0, + "content": ". I", + "type": "text" + }, + { + "bbox": [ + 356, + 705, + 424, + 721 + ], + "score": 0.82, + "content": "\\begin{array} { r } { \\ell \\frac { N p - p + 1 } { \\log N } > k ( \\varepsilon ) } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 424, + 700, + 443, + 723 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 443, + 705, + 501, + 719 + ], + "score": 0.92, + "content": "s \\leq l ( N , \\varepsilon ) ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 700, + 507, + 723 + ], + "score": 1.0, + "content": ",", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 105, + 718, + 465, + 734 + ], + "spans": [ + { + "bbox": [ + 105, + 718, + 164, + 734 + ], + "score": 1.0, + "content": "then, GCN on", + "type": "text" + }, + { + "bbox": [ + 164, + 721, + 186, + 733 + ], + "score": 0.9, + "content": "G _ { N , p }", + "type": "inline_equation" + }, + { + "bbox": [ + 187, + 718, + 437, + 734 + ], + "score": 1.0, + "content": "satisfies the assumption of Theorem 2 with probability at least", + "type": "text" + }, + { + "bbox": [ + 438, + 721, + 460, + 731 + ], + "score": 0.86, + "content": "1 - \\varepsilon", + "type": "inline_equation" + }, + { + "bbox": [ + 460, + 718, + 465, + 734 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 37 + } + ], + "index": 35.5 + } + ], + "page_idx": 19, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 107, + 26, + 294, + 38 + ], + "lines": [ + { + "bbox": [ + 106, + 25, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 25, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 300, + 751, + 311, + 760 + ], + "lines": [ + { + "bbox": [ + 298, + 749, + 313, + 764 + ], + "spans": [ + { + "bbox": [ + 298, + 749, + 313, + 764 + ], + "score": 1.0, + "content": "", + "type": "text", + "height": 15, + "width": 15 + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 494, + 510, + 505, + 520 + ], + "lines": [ + { + "bbox": [ + 496, + 512, + 504, + 520 + ], + "spans": [ + { + "bbox": [ + 496, + 512, + 504, + 520 + ], + "score": 0.997, + "content": "□", + "type": "text" + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "text", + "bbox": [ + 105, + 81, + 505, + 105 + ], + "lines": [ + { + "bbox": [ + 105, + 81, + 505, + 96 + ], + "spans": [ + { + "bbox": [ + 105, + 81, + 174, + 96 + ], + "score": 1.0, + "content": "Next, we bound", + "type": "text" + }, + { + "bbox": [ + 175, + 81, + 215, + 95 + ], + "score": 0.93, + "content": "\\| \\tilde { \\Delta } - C \\|", + "type": "inline_equation" + }, + { + "bbox": [ + 215, + 81, + 270, + 96 + ], + "score": 1.0, + "content": ". First, since", + "type": "text" + }, + { + "bbox": [ + 270, + 83, + 297, + 93 + ], + "score": 0.92, + "content": "a < 1", + "type": "inline_equation" + }, + { + "bbox": [ + 298, + 81, + 505, + 96 + ], + "score": 1.0, + "content": ", by Chernoff bound (see, e.g. Angluin & Valiant", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 106, + 93, + 278, + 106 + ], + "spans": [ + { + "bbox": [ + 106, + 93, + 278, + 106 + ], + "score": 1.0, + "content": "(1979); Hagerup & Rub (1990))), we have ¨", + "type": "text" + } + ], + "index": 1 + } + ], + "index": 0.5, + "bbox_fs": [ + 105, + 81, + 505, + 106 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 200, + 108, + 409, + 188 + ], + "lines": [ + { + "bbox": [ + 200, + 108, + 409, + 188 + ], + "spans": [ + { + "bbox": [ + 200, + 108, + 409, + 188 + ], + "score": 0.94, + "content": "\\begin{array} { r l r } { { \\operatorname* { P r } ( | d _ { i } - t _ { i } | > a ( t _ { i } + 1 ) ) \\le 2 \\exp ( - \\frac { a ^ { 2 } ( t _ { i } + 1 ) } { 3 } ) } } \\\\ & { } & \\\\ & { } & { \\le 2 \\exp ( - \\frac { a ^ { 2 } ( \\delta + 1 ) } { 3 } ) } \\\\ & { } & { = \\frac { \\varepsilon } { 2 N } . } \\end{array}", + "type": "interline_equation", + "image_path": "74d357cc81d67fef8ac3d521a2d5baabb76cb5a42dfb3a5cb3a28999d9b09ecd.jpg" + } + ] + } + ], + "index": 4, + "virtual_lines": [ + { + "bbox": [ + 200, + 108, + 409, + 124.0 + ], + "spans": [], + "index": 2 + }, + { + "bbox": [ + 200, + 124.0, + 409, + 140.0 + ], + "spans": [], + "index": 3 + }, + { + "bbox": [ + 200, + 140.0, + 409, + 156.0 + ], + "spans": [], + "index": 4 + }, + { + "bbox": [ + 200, + 156.0, + 409, + 172.0 + ], + "spans": [], + "index": 5 + }, + { + "bbox": [ + 200, + 172.0, + 409, + 188.0 + ], + "spans": [], + "index": 6 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 189, + 303, + 201 + ], + "lines": [ + { + "bbox": [ + 106, + 189, + 302, + 202 + ], + "spans": [ + { + "bbox": [ + 106, + 189, + 159, + 202 + ], + "score": 1.0, + "content": "Therefore, if", + "type": "text" + }, + { + "bbox": [ + 160, + 189, + 244, + 201 + ], + "score": 0.92, + "content": "| d _ { i } - t _ { i } | \\leq a ( t _ { i } + 1 )", + "type": "inline_equation" + }, + { + "bbox": [ + 244, + 189, + 302, + 202 + ], + "score": 1.0, + "content": ", then we have", + "type": "text" + } + ], + "index": 7 + } + ], + "index": 7, + "bbox_fs": [ + 106, + 189, + 302, + 202 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 165, + 204, + 445, + 280 + ], + "lines": [ + { + "bbox": [ + 165, + 204, + 445, + 280 + ], + "spans": [ + { + "bbox": [ + 165, + 204, + 445, + 280 + ], + "score": 0.93, + "content": "\\begin{array} { r l r } { \\left. \\sqrt { \\displaystyle \\frac { d _ { i } + 1 } { t _ { i } + 1 } } - 1 \\right. \\le \\left. \\displaystyle \\frac { d _ { i } + 1 } { t _ { i } + 1 } - 1 \\right. } & { \\left( \\cdot \\cdot | \\sqrt { x } - 1 | \\le | x - 1 | \\mathrm { \\ f o r \\ } x \\ge 0 \\right) } & \\\\ { = \\displaystyle \\left. \\displaystyle \\frac { d _ { i } - t _ { i } } { t _ { i } + 1 } \\right. } & \\\\ { \\le a . } & \\end{array}", + "type": "interline_equation", + "image_path": "c1060e4c83d8629475673c96d2ea0f7c95c94f2a4a6eb00fc748a911f99f3501.jpg" + } + ] + } + ], + "index": 9, + "virtual_lines": [ + { + "bbox": [ + 165, + 204, + 445, + 229.33333333333334 + ], + "spans": [], + "index": 8 + }, + { + "bbox": [ + 165, + 229.33333333333334, + 445, + 254.66666666666669 + ], + "spans": [], + "index": 9 + }, + { + "bbox": [ + 165, + 254.66666666666669, + 445, + 280.0 + ], + "spans": [], + "index": 10 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 283, + 253, + 294 + ], + "lines": [ + { + "bbox": [ + 106, + 281, + 253, + 296 + ], + "spans": [ + { + "bbox": [ + 106, + 281, + 253, + 296 + ], + "score": 1.0, + "content": "Therefore, by union bound, we have", + "type": "text" + } + ], + "index": 11 + } + ], + "index": 11, + "bbox_fs": [ + 106, + 281, + 253, + 296 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 212, + 297, + 399, + 331 + ], + "lines": [ + { + "bbox": [ + 212, + 297, + 399, + 331 + ], + "spans": [ + { + "bbox": [ + 212, + 297, + 399, + 331 + ], + "score": 0.94, + "content": "\\| \\bar { D } ^ { - \\frac { 1 } { 2 } } \\tilde { D } ^ { \\frac { 1 } { 2 } } - I _ { N } \\| = \\operatorname* { m a x } _ { i \\in [ N ] } \\left| \\sqrt { \\frac { d _ { i } + 1 } { t _ { i } + 1 } } - 1 \\right| \\leq a", + "type": "interline_equation", + "image_path": "277ca10271cab09840a50b713b61446378a2676bf929d31999e2bd31576d319d.jpg" + } + ] + } + ], + "index": 12.5, + "virtual_lines": [ + { + "bbox": [ + 212, + 297, + 399, + 314.0 + ], + "spans": [], + "index": 12 + }, + { + "bbox": [ + 212, + 314.0, + 399, + 331.0 + ], + "spans": [], + "index": 13 + } + ] + }, + { + "type": "text", + "bbox": [ + 108, + 334, + 504, + 369 + ], + "lines": [ + { + "bbox": [ + 106, + 333, + 505, + 347 + ], + "spans": [ + { + "bbox": [ + 106, + 333, + 203, + 347 + ], + "score": 1.0, + "content": "with probability at least", + "type": "text" + }, + { + "bbox": [ + 204, + 334, + 236, + 346 + ], + "score": 0.92, + "content": "1 - \\varepsilon / 2", + "type": "inline_equation" + }, + { + "bbox": [ + 236, + 333, + 505, + 347 + ], + "score": 1.0, + "content": ". Further, since the eigenvalue of the augmented normalized Lapla-", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 105, + 345, + 506, + 361 + ], + "spans": [ + { + "bbox": [ + 105, + 345, + 147, + 361 + ], + "score": 1.0, + "content": "cian is in", + "type": "text" + }, + { + "bbox": [ + 148, + 347, + 168, + 359 + ], + "score": 0.66, + "content": "[ 0 , 2 ]", + "type": "inline_equation" + }, + { + "bbox": [ + 168, + 345, + 332, + 361 + ], + "score": 1.0, + "content": "by the proof of Proposition 1, we have", + "type": "text" + }, + { + "bbox": [ + 333, + 345, + 397, + 359 + ], + "score": 0.94, + "content": "\\| I _ { N } - \\tilde { \\Delta } \\| \\leq \\bar { 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 398, + 345, + 506, + 361 + ], + "score": 1.0, + "content": ". By combining them, we", + "type": "text" + } + ], + "index": 15 + }, + { + "bbox": [ + 105, + 357, + 128, + 370 + ], + "spans": [ + { + "bbox": [ + 105, + 357, + 128, + 370 + ], + "score": 1.0, + "content": "have", + "type": "text" + } + ], + "index": 16 + } + ], + "index": 15, + "bbox_fs": [ + 105, + 333, + 506, + 370 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 145, + 368, + 466, + 418 + ], + "lines": [ + { + "bbox": [ + 145, + 368, + 466, + 418 + ], + "spans": [ + { + "bbox": [ + 145, + 368, + 466, + 418 + ], + "score": 0.93, + "content": "\\begin{array} { r l } & { \\| \\tilde { \\Delta } - C \\| = \\| ( \\bar { D } ^ { - \\frac { 1 } { 2 } } \\tilde { D } ^ { \\frac { 1 } { 2 } } - I _ { N } ) ( I _ { N } - \\tilde { \\Delta } ) \\tilde { D } ^ { \\frac { 1 } { 2 } } \\bar { D } ^ { - \\frac { 1 } { 2 } } + ( I _ { N } - \\tilde { \\Delta } ) ( I - \\tilde { D } ^ { \\frac { 1 } { 2 } } \\bar { D } ^ { - \\frac { 1 } { 2 } } ) \\| } \\\\ & { \\qquad \\leq \\| ( \\bar { D } ^ { - \\frac { 1 } { 2 } } \\tilde { D } ^ { \\frac { 1 } { 2 } } - I _ { N } \\| \\| \\tilde { D } ^ { \\frac { 1 } { 2 } } \\bar { D } ^ { - \\frac { 1 } { 2 } } \\| + \\| I - \\tilde { D } ^ { \\frac { 1 } { 2 } } \\bar { D } ^ { - \\frac { 1 } { 2 } } \\| } \\\\ & { \\qquad \\leq a ( a + 1 ) + a . } \\end{array}", + "type": "interline_equation", + "image_path": "b36d7b90316bd484e3acdd5b2078ffc194317e76183ac3b51ff553211a8c7236.jpg" + } + ] + } + ], + "index": 18, + "virtual_lines": [ + { + "bbox": [ + 145, + 368, + 466, + 384.6666666666667 + ], + "spans": [], + "index": 17 + }, + { + "bbox": [ + 145, + 384.6666666666667, + 466, + 401.33333333333337 + ], + "spans": [], + "index": 18 + }, + { + "bbox": [ + 145, + 401.33333333333337, + 466, + 418.00000000000006 + ], + "spans": [], + "index": 19 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 420, + 213, + 432 + ], + "lines": [ + { + "bbox": [ + 106, + 420, + 213, + 433 + ], + "spans": [ + { + "bbox": [ + 106, + 420, + 213, + 433 + ], + "score": 1.0, + "content": "From (5) and (6), we have", + "type": "text" + } + ], + "index": 20 + } + ], + "index": 20, + "bbox_fs": [ + 106, + 420, + 213, + 433 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 233, + 433, + 377, + 494 + ], + "lines": [ + { + "bbox": [ + 233, + 433, + 377, + 494 + ], + "spans": [ + { + "bbox": [ + 233, + 433, + 377, + 494 + ], + "score": 0.94, + "content": "\\begin{array} { r l } & { \\| \\tilde { \\Delta } - \\bar { \\Delta } \\| \\leq \\| \\tilde { \\Delta } - C \\| + \\| C - \\bar { \\Delta } \\| } \\\\ & { \\qquad \\leq a + a ( a + 1 ) + a } \\\\ & { \\qquad \\leq a ^ { 2 } + 3 a } \\\\ & { \\qquad \\leq 4 a \\quad ( \\because a < 1 ) } \\end{array}", + "type": "interline_equation", + "image_path": "7da86c93036b713cc0974d5bb45826b01ccbb959f3adf50cc6bf75e87c2a16ef.jpg" + } + ] + } + ], + "index": 21.5, + "virtual_lines": [ + { + "bbox": [ + 233, + 433, + 377, + 463.5 + ], + "spans": [], + "index": 21 + }, + { + "bbox": [ + 233, + 463.5, + 377, + 494.0 + ], + "spans": [], + "index": 22 + } + ] + }, + { + "type": "text", + "bbox": [ + 107, + 509, + 294, + 522 + ], + "lines": [ + { + "bbox": [ + 105, + 508, + 295, + 523 + ], + "spans": [ + { + "bbox": [ + 105, + 508, + 203, + 523 + ], + "score": 1.0, + "content": "with probability at least", + "type": "text" + }, + { + "bbox": [ + 204, + 510, + 227, + 520 + ], + "score": 0.87, + "content": "1 - \\varepsilon", + "type": "inline_equation" + }, + { + "bbox": [ + 227, + 508, + 295, + 523 + ], + "score": 1.0, + "content": "by union bound.", + "type": "text" + } + ], + "index": 23 + } + ], + "index": 23, + "bbox_fs": [ + 105, + 508, + 295, + 523 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 532, + 506, + 608 + ], + "lines": [ + { + "bbox": [ + 105, + 533, + 504, + 546 + ], + "spans": [ + { + "bbox": [ + 105, + 533, + 122, + 546 + ], + "score": 1.0, + "content": "Let", + "type": "text" + }, + { + "bbox": [ + 122, + 534, + 158, + 545 + ], + "score": 0.91, + "content": "N \\in { \\mathbb { N } } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 158, + 533, + 176, + 546 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 176, + 534, + 200, + 545 + ], + "score": 0.89, + "content": "p > 0", + "type": "inline_equation" + }, + { + "bbox": [ + 201, + 533, + 351, + 546 + ], + "score": 1.0, + "content": ". In the case of the Erdos-R ˝ enyi graph ´", + "type": "text" + }, + { + "bbox": [ + 352, + 534, + 374, + 545 + ], + "score": 0.89, + "content": "G _ { N , p }", + "type": "inline_equation" + }, + { + "bbox": [ + 374, + 533, + 433, + 546 + ], + "score": 1.0, + "content": ", we should set", + "type": "text" + }, + { + "bbox": [ + 434, + 533, + 504, + 545 + ], + "score": 0.9, + "content": "P = p ( J _ { N } - I _ { N } )", + "type": "inline_equation" + } + ], + "index": 24 + }, + { + "bbox": [ + 104, + 542, + 505, + 559 + ], + "spans": [ + { + "bbox": [ + 104, + 542, + 134, + 559 + ], + "score": 1.0, + "content": "where", + "type": "text" + }, + { + "bbox": [ + 134, + 545, + 190, + 556 + ], + "score": 0.92, + "content": "J _ { N } \\in \\mathbb { R } ^ { N \\times N }", + "type": "inline_equation" + }, + { + "bbox": [ + 190, + 542, + 348, + 559 + ], + "score": 1.0, + "content": "are the all-one matrix. Then, we have", + "type": "text" + }, + { + "bbox": [ + 349, + 545, + 446, + 557 + ], + "score": 0.89, + "content": "\\bar { A } = p J _ { N } + ( 1 - p ) I _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 446, + 542, + 450, + 559 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 451, + 545, + 505, + 558 + ], + "score": 0.89, + "content": "\\bar { D } = ( N p -", + "type": "inline_equation" + } + ], + "index": 25 + }, + { + "bbox": [ + 106, + 555, + 506, + 571 + ], + "spans": [ + { + "bbox": [ + 106, + 557, + 146, + 569 + ], + "score": 0.91, + "content": "p + 1 ) I _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 146, + 556, + 168, + 569 + ], + "score": 1.0, + "content": ", and", + "type": "text" + }, + { + "bbox": [ + 168, + 556, + 281, + 571 + ], + "score": 0.93, + "content": "\\begin{array} { r } { \\bar { \\Delta } = \\frac { p } { N p - p + 1 } ( N I _ { N } - J _ { N } ) } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 281, + 555, + 383, + 570 + ], + "score": 1.0, + "content": ". Since the eigenvalue of", + "type": "text" + }, + { + "bbox": [ + 384, + 558, + 397, + 568 + ], + "score": 0.9, + "content": "J _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 398, + 555, + 408, + 570 + ], + "score": 1.0, + "content": "is", + "type": "text" + }, + { + "bbox": [ + 409, + 558, + 419, + 567 + ], + "score": 0.81, + "content": "N", + "type": "inline_equation" + }, + { + "bbox": [ + 420, + 555, + 506, + 570 + ], + "score": 1.0, + "content": "(with multiplicity 1)", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 105, + 569, + 506, + 587 + ], + "spans": [ + { + "bbox": [ + 105, + 569, + 205, + 587 + ], + "score": 1.0, + "content": "and 0 (with multiplicity", + "type": "text" + }, + { + "bbox": [ + 205, + 572, + 235, + 583 + ], + "score": 0.87, + "content": "N - 1 ,", + "type": "inline_equation" + }, + { + "bbox": [ + 235, + 569, + 313, + 587 + ], + "score": 1.0, + "content": "), the eigenvalue of", + "type": "text" + }, + { + "bbox": [ + 313, + 570, + 323, + 582 + ], + "score": 0.86, + "content": "\\bar { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 324, + 569, + 445, + 587 + ], + "score": 1.0, + "content": "is 0 (with multiplicity 1) and", + "type": "text" + }, + { + "bbox": [ + 445, + 570, + 480, + 586 + ], + "score": 0.94, + "content": "\\frac { N p } { N p - p + 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 480, + 571, + 506, + 585 + ], + "score": 1.0, + "content": "(with", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 105, + 584, + 506, + 598 + ], + "spans": [ + { + "bbox": [ + 105, + 584, + 156, + 598 + ], + "score": 1.0, + "content": "multiplicity", + "type": "text" + }, + { + "bbox": [ + 156, + 585, + 187, + 596 + ], + "score": 0.83, + "content": "N - 1 )", + "type": "inline_equation" + }, + { + "bbox": [ + 187, + 584, + 212, + 598 + ], + "score": 1.0, + "content": ". For", + "type": "text" + }, + { + "bbox": [ + 212, + 585, + 234, + 597 + ], + "score": 0.86, + "content": "G _ { N , p }", + "type": "inline_equation" + }, + { + "bbox": [ + 234, + 584, + 239, + 598 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 239, + 586, + 245, + 595 + ], + "score": 0.63, + "content": "\\delta", + "type": "inline_equation" + }, + { + "bbox": [ + 245, + 584, + 375, + 598 + ], + "score": 1.0, + "content": "is the expected average degree", + "type": "text" + }, + { + "bbox": [ + 375, + 585, + 416, + 597 + ], + "score": 0.92, + "content": "( N - 1 ) p", + "type": "inline_equation" + }, + { + "bbox": [ + 416, + 584, + 506, + 598 + ], + "score": 1.0, + "content": ". Hence, we have the", + "type": "text" + } + ], + "index": 28 + }, + { + "bbox": [ + 106, + 596, + 242, + 608 + ], + "spans": [ + { + "bbox": [ + 106, + 596, + 242, + 608 + ], + "score": 1.0, + "content": "following lemma from Lemma 5:", + "type": "text" + } + ], + "index": 29 + } + ], + "index": 26.5, + "bbox_fs": [ + 104, + 533, + 506, + 608 + ] + }, + { + "type": "text", + "bbox": [ + 105, + 610, + 505, + 638 + ], + "lines": [ + { + "bbox": [ + 105, + 609, + 505, + 626 + ], + "spans": [ + { + "bbox": [ + 105, + 609, + 169, + 626 + ], + "score": 1.0, + "content": "Lemma 6. Let", + "type": "text" + }, + { + "bbox": [ + 170, + 610, + 179, + 621 + ], + "score": 0.81, + "content": "\\tilde { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 180, + 609, + 444, + 626 + ], + "score": 1.0, + "content": "be its augmented normalized Laplacian of the Erdos-R ˝ enyi graph ´", + "type": "text" + }, + { + "bbox": [ + 444, + 612, + 466, + 624 + ], + "score": 0.91, + "content": "G _ { N , p }", + "type": "inline_equation" + }, + { + "bbox": [ + 467, + 609, + 505, + 626 + ], + "score": 1.0, + "content": ". For any", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 106, + 618, + 478, + 640 + ], + "spans": [ + { + "bbox": [ + 106, + 624, + 131, + 636 + ], + "score": 0.77, + "content": "\\varepsilon > 0 ,", + "type": "inline_equation" + }, + { + "bbox": [ + 132, + 623, + 289, + 639 + ], + "score": 0.87, + "content": "\\begin{array} { r } { i f \\frac { N p - p + 1 } { \\log N } > k ( \\varepsilon ) : = 3 ( 1 + \\log ( 4 / \\varepsilon ) ) } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 290, + 618, + 413, + 640 + ], + "score": 1.0, + "content": ", then, with probability at least", + "type": "text" + }, + { + "bbox": [ + 414, + 625, + 436, + 635 + ], + "score": 0.86, + "content": "1 - \\varepsilon", + "type": "inline_equation" + }, + { + "bbox": [ + 437, + 618, + 478, + 640 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + } + ], + "index": 31 + } + ], + "index": 30.5, + "bbox_fs": [ + 105, + 609, + 505, + 640 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 198, + 642, + 412, + 675 + ], + "lines": [ + { + "bbox": [ + 198, + 642, + 412, + 675 + ], + "spans": [ + { + "bbox": [ + 198, + 642, + 412, + 675 + ], + "score": 0.92, + "content": "\\operatorname* { m a x } _ { i = 2 , \\ldots , N } \\left| \\lambda _ { i } ( \\tilde { \\Delta } ) - \\frac { N p } { N p - p + 1 } \\right| \\leq 4 \\sqrt { \\frac { 3 \\log ( 4 N / \\varepsilon ) } { N p - p + 1 } } .", + "type": "interline_equation", + "image_path": "e0c336f319cdb5b4687e3e0d749c2480665543a37bcb8772f9437612db712e00.jpg" + } + ] + } + ], + "index": 32.5, + "virtual_lines": [ + { + "bbox": [ + 198, + 642, + 412, + 658.5 + ], + "spans": [], + "index": 32 + }, + { + "bbox": [ + 198, + 658.5, + 412, + 675.0 + ], + "spans": [], + "index": 33 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 678, + 506, + 733 + ], + "lines": [ + { + "bbox": [ + 105, + 676, + 506, + 691 + ], + "spans": [ + { + "bbox": [ + 105, + 676, + 241, + 691 + ], + "score": 1.0, + "content": "Corollary 4. Consider GCN on", + "type": "text" + }, + { + "bbox": [ + 241, + 679, + 263, + 690 + ], + "score": 0.89, + "content": "G _ { N , p }", + "type": "inline_equation" + }, + { + "bbox": [ + 264, + 676, + 287, + 691 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 287, + 678, + 300, + 689 + ], + "score": 0.82, + "content": "W _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 300, + 676, + 387, + 691 + ], + "score": 1.0, + "content": "be the weight of the", + "type": "text" + }, + { + "bbox": [ + 388, + 679, + 392, + 688 + ], + "score": 0.55, + "content": "l", + "type": "inline_equation" + }, + { + "bbox": [ + 392, + 676, + 482, + 691 + ], + "score": 1.0, + "content": "-th layer of GCN and", + "type": "text" + }, + { + "bbox": [ + 482, + 680, + 491, + 689 + ], + "score": 0.79, + "content": "s _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 491, + 676, + 506, + 691 + ], + "score": 1.0, + "content": "be", + "type": "text" + } + ], + "index": 34 + }, + { + "bbox": [ + 105, + 688, + 505, + 704 + ], + "spans": [ + { + "bbox": [ + 105, + 688, + 235, + 704 + ], + "score": 1.0, + "content": "the maximum singular value of", + "type": "text" + }, + { + "bbox": [ + 235, + 690, + 248, + 700 + ], + "score": 0.81, + "content": "W _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 248, + 688, + 265, + 704 + ], + "score": 1.0, + "content": "for", + "type": "text" + }, + { + "bbox": [ + 265, + 690, + 297, + 701 + ], + "score": 0.89, + "content": "l \\in \\mathbb { N } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 297, + 688, + 318, + 704 + ], + "score": 1.0, + "content": ". Set", + "type": "text" + }, + { + "bbox": [ + 318, + 691, + 375, + 703 + ], + "score": 0.87, + "content": "s : = \\mathrm { s u p } _ { l \\in \\mathbb { N } _ { + } }", + "type": "inline_equation" + }, + { + "bbox": [ + 375, + 688, + 397, + 704 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 397, + 690, + 423, + 699 + ], + "score": 0.91, + "content": "\\varepsilon > 0", + "type": "inline_equation" + }, + { + "bbox": [ + 423, + 688, + 470, + 704 + ], + "score": 1.0, + "content": ". We define", + "type": "text" + }, + { + "bbox": [ + 470, + 689, + 505, + 701 + ], + "score": 0.91, + "content": "k ( \\varepsilon ) : =", + "type": "inline_equation" + } + ], + "index": 35 + }, + { + "bbox": [ + 107, + 700, + 507, + 723 + ], + "spans": [ + { + "bbox": [ + 107, + 706, + 171, + 719 + ], + "score": 0.9, + "content": "3 ( 1 + \\log ( 4 / \\varepsilon ) )", + "type": "inline_equation" + }, + { + "bbox": [ + 171, + 700, + 191, + 723 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 191, + 704, + 345, + 722 + ], + "score": 0.91, + "content": "\\begin{array} { r } { l ( N , p , \\varepsilon ) = { \\frac { 1 - p } { N p - p + 1 } } + 4 { \\sqrt { \\frac { 3 \\log ( 4 N / \\varepsilon ) } { N p - p + 1 } } } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 345, + 700, + 355, + 723 + ], + "score": 1.0, + "content": ". I", + "type": "text" + }, + { + "bbox": [ + 356, + 705, + 424, + 721 + ], + "score": 0.82, + "content": "\\begin{array} { r } { \\ell \\frac { N p - p + 1 } { \\log N } > k ( \\varepsilon ) } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 424, + 700, + 443, + 723 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 443, + 705, + 501, + 719 + ], + "score": 0.92, + "content": "s \\leq l ( N , \\varepsilon ) ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 700, + 507, + 723 + ], + "score": 1.0, + "content": ",", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 105, + 718, + 465, + 734 + ], + "spans": [ + { + "bbox": [ + 105, + 718, + 164, + 734 + ], + "score": 1.0, + "content": "then, GCN on", + "type": "text" + }, + { + "bbox": [ + 164, + 721, + 186, + 733 + ], + "score": 0.9, + "content": "G _ { N , p }", + "type": "inline_equation" + }, + { + "bbox": [ + 187, + 718, + 437, + 734 + ], + "score": 1.0, + "content": "satisfies the assumption of Theorem 2 with probability at least", + "type": "text" + }, + { + "bbox": [ + 438, + 721, + 460, + 731 + ], + "score": 0.86, + "content": "1 - \\varepsilon", + "type": "inline_equation" + }, + { + "bbox": [ + 460, + 718, + 465, + 734 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 37 + } + ], + "index": 35.5, + "bbox_fs": [ + 105, + 676, + 507, + 734 + ] + } + ] + }, + { + "preproc_blocks": [ + { + "type": "text", + "bbox": [ + 106, + 80, + 354, + 96 + ], + "lines": [ + { + "bbox": [ + 105, + 78, + 355, + 97 + ], + "spans": [ + { + "bbox": [ + 105, + 81, + 217, + 94 + ], + "score": 1.0, + "content": "Proof of Theorem 3. Since", + "type": "text" + }, + { + "bbox": [ + 213, + 78, + 355, + 97 + ], + "score": 1.0, + "content": "log NNp = o(1), for fixed ε, we have", + "type": "text" + } + ], + "index": 0 + } + ], + "index": 0 + }, + { + "type": "interline_equation", + "bbox": [ + 243, + 99, + 367, + 125 + ], + "lines": [ + { + "bbox": [ + 243, + 99, + 367, + 125 + ], + "spans": [ + { + "bbox": [ + 243, + 99, + 367, + 125 + ], + "score": 0.94, + "content": "\\frac { N p - p + 1 } { \\log N } > \\frac { N p } { \\log N } > k ( \\varepsilon )", + "type": "interline_equation", + "image_path": "463306171e0e7ca695b2cbb0e6dc4d97c6f902d744d5e10f5b1b37f770b5c8c8.jpg" + } + ] + } + ], + "index": 1, + "virtual_lines": [ + { + "bbox": [ + 243, + 99, + 367, + 125 + ], + "spans": [], + "index": 1 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 128, + 488, + 143 + ], + "lines": [ + { + "bbox": [ + 105, + 126, + 490, + 144 + ], + "spans": [ + { + "bbox": [ + 105, + 129, + 190, + 142 + ], + "score": 1.0, + "content": "for sufficiently large", + "type": "text" + }, + { + "bbox": [ + 190, + 130, + 200, + 140 + ], + "score": 0.81, + "content": "N", + "type": "inline_equation" + }, + { + "bbox": [ + 200, + 129, + 238, + 142 + ], + "score": 1.0, + "content": ". Further,", + "type": "text" + }, + { + "bbox": [ + 239, + 130, + 279, + 141 + ], + "score": 0.91, + "content": "N p \\to \\infty", + "type": "inline_equation" + }, + { + "bbox": [ + 280, + 129, + 291, + 142 + ], + "score": 1.0, + "content": "as", + "type": "text" + }, + { + "bbox": [ + 291, + 130, + 327, + 140 + ], + "score": 0.9, + "content": "N \\to \\infty", + "type": "inline_equation" + }, + { + "bbox": [ + 327, + 129, + 353, + 142 + ], + "score": 1.0, + "content": "whe", + "type": "text" + }, + { + "bbox": [ + 348, + 126, + 490, + 144 + ], + "score": 1.0, + "content": "n log NNp = o(1). Therefore, we have", + "type": "text" + } + ], + "index": 2 + } + ], + "index": 2 + }, + { + "type": "interline_equation", + "bbox": [ + 210, + 146, + 401, + 174 + ], + "lines": [ + { + "bbox": [ + 210, + 146, + 401, + 174 + ], + "spans": [ + { + "bbox": [ + 210, + 146, + 401, + 174 + ], + "score": 0.93, + "content": "\\frac { ( 1 - p ) ^ { 2 } } { N p - p + 1 } \\leq \\frac { 1 } { N p } \\leq ( 7 - 4 \\sqrt { 3 } ) ^ { 2 } \\log \\left( \\frac { 4 N } { \\varepsilon } \\right)", + "type": "interline_equation", + "image_path": "13f440081ab3f99459b4e3aa7a438bf7b3d2fbfe37e2f3dc6de25b22a2cb82fa.jpg" + } + ] + } + ], + "index": 3, + "virtual_lines": [ + { + "bbox": [ + 210, + 146, + 401, + 174 + ], + "spans": [], + "index": 3 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 176, + 234, + 188 + ], + "lines": [ + { + "bbox": [ + 105, + 174, + 235, + 190 + ], + "spans": [ + { + "bbox": [ + 105, + 174, + 190, + 190 + ], + "score": 1.0, + "content": "for sufficiently large", + "type": "text" + }, + { + "bbox": [ + 190, + 177, + 200, + 186 + ], + "score": 0.8, + "content": "N", + "type": "inline_equation" + }, + { + "bbox": [ + 200, + 174, + 235, + 190 + ], + "score": 1.0, + "content": ". Hence.", + "type": "text" + } + ], + "index": 4 + } + ], + "index": 4 + }, + { + "type": "interline_equation", + "bbox": [ + 219, + 191, + 392, + 224 + ], + "lines": [ + { + "bbox": [ + 219, + 191, + 392, + 224 + ], + "spans": [ + { + "bbox": [ + 219, + 191, + 392, + 224 + ], + "score": 0.95, + "content": "\\frac { 1 - p } { N p - p + 1 } \\leq ( 7 - 4 \\sqrt { 3 } ) \\sqrt { \\frac { \\log ( 4 N / \\varepsilon ) } { N p - p + 1 } } .", + "type": "interline_equation", + "image_path": "805df5f48792754d6a0d9f84f4cf09222c7674b243da522e00a34824e6f6df78.jpg" + } + ] + } + ], + "index": 5.5, + "virtual_lines": [ + { + "bbox": [ + 219, + 191, + 392, + 207.5 + ], + "spans": [], + "index": 5 + }, + { + "bbox": [ + 219, + 207.5, + 392, + 224.0 + ], + "spans": [], + "index": 6 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 228, + 506, + 260 + ], + "lines": [ + { + "bbox": [ + 105, + 227, + 506, + 248 + ], + "spans": [ + { + "bbox": [ + 105, + 228, + 190, + 246 + ], + "score": 1.0, + "content": "Therefore, we have", + "type": "text" + }, + { + "bbox": [ + 191, + 227, + 300, + 248 + ], + "score": 0.94, + "content": "\\begin{array} { r } { l ( N , p , \\varepsilon ) \\le 7 \\sqrt { \\frac { \\log ( 4 N / \\varepsilon ) } { N p - p + 1 } } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 300, + 228, + 302, + 248 + ], + "score": 1.0, + "content": ".", + "type": "text" + }, + { + "bbox": [ + 304, + 228, + 364, + 248 + ], + "score": 1.0, + "content": "Therefore, if", + "type": "text" + }, + { + "bbox": [ + 365, + 228, + 442, + 248 + ], + "score": 0.94, + "content": "s ~ \\le ~ \\frac { 1 } { 7 } \\sqrt { \\frac { N p - p + 1 } { \\log ( 4 N / \\varepsilon ) } }", + "type": "inline_equation" + }, + { + "bbox": [ + 442, + 228, + 506, + 248 + ], + "score": 1.0, + "content": ", then we have", + "type": "text" + } + ], + "index": 7 + }, + { + "bbox": [ + 107, + 246, + 178, + 260 + ], + "spans": [ + { + "bbox": [ + 107, + 246, + 174, + 260 + ], + "score": 0.91, + "content": "s \\leq l ( N , p , \\varepsilon ) ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 174, + 246, + 178, + 260 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 8 + } + ], + "index": 7.5 + }, + { + "type": "title", + "bbox": [ + 107, + 274, + 296, + 288 + ], + "lines": [ + { + "bbox": [ + 105, + 273, + 297, + 290 + ], + "spans": [ + { + "bbox": [ + 105, + 273, + 297, + 290 + ], + "score": 1.0, + "content": "E MISCELLANEOUS PROPOSITIONS", + "type": "text" + } + ], + "index": 9 + } + ], + "index": 9 + }, + { + "type": "text", + "bbox": [ + 106, + 298, + 359, + 311 + ], + "lines": [ + { + "bbox": [ + 105, + 298, + 359, + 312 + ], + "spans": [ + { + "bbox": [ + 105, + 298, + 359, + 312 + ], + "score": 1.0, + "content": "E.1 INVARIANCE OF ORTHOGONAL COMPLEMENT SPACE", + "type": "text" + } + ], + "index": 10 + } + ], + "index": 10 + }, + { + "type": "text", + "bbox": [ + 106, + 318, + 505, + 353 + ], + "lines": [ + { + "bbox": [ + 104, + 316, + 505, + 333 + ], + "spans": [ + { + "bbox": [ + 104, + 316, + 185, + 333 + ], + "score": 1.0, + "content": "Proposition 2. Let", + "type": "text" + }, + { + "bbox": [ + 185, + 318, + 234, + 330 + ], + "score": 0.91, + "content": "P \\in \\mathbb { R } ^ { N \\times N }", + "type": "inline_equation" + }, + { + "bbox": [ + 234, + 316, + 439, + 333 + ], + "score": 1.0, + "content": "be a symmetric matrix, treated as a linear operator", + "type": "text" + }, + { + "bbox": [ + 439, + 319, + 501, + 330 + ], + "score": 0.9, + "content": "P : \\mathbb { R } ^ { N } \\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 316, + 505, + 333 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 105, + 330, + 506, + 343 + ], + "spans": [ + { + "bbox": [ + 105, + 330, + 163, + 343 + ], + "score": 1.0, + "content": "If a subspace", + "type": "text" + }, + { + "bbox": [ + 163, + 330, + 202, + 341 + ], + "score": 0.91, + "content": "U \\subset \\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 202, + 330, + 279, + 343 + ], + "score": 1.0, + "content": "is invariant under", + "type": "text" + }, + { + "bbox": [ + 279, + 331, + 288, + 341 + ], + "score": 0.8, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 288, + 330, + 318, + 343 + ], + "score": 1.0, + "content": "(i.e., if", + "type": "text" + }, + { + "bbox": [ + 319, + 331, + 347, + 342 + ], + "score": 0.87, + "content": "u \\in U", + "type": "inline_equation" + }, + { + "bbox": [ + 348, + 330, + 372, + 343 + ], + "score": 1.0, + "content": ", then", + "type": "text" + }, + { + "bbox": [ + 372, + 331, + 409, + 342 + ], + "score": 0.89, + "content": "P u \\in U", + "type": "inline_equation" + }, + { + "bbox": [ + 409, + 330, + 439, + 343 + ], + "score": 1.0, + "content": "), then,", + "type": "text" + }, + { + "bbox": [ + 439, + 330, + 455, + 341 + ], + "score": 0.87, + "content": "U ^ { \\perp }", + "type": "inline_equation" + }, + { + "bbox": [ + 455, + 330, + 506, + 343 + ], + "score": 1.0, + "content": "is invariant", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 105, + 341, + 163, + 354 + ], + "spans": [ + { + "bbox": [ + 105, + 341, + 132, + 354 + ], + "score": 1.0, + "content": "under", + "type": "text" + }, + { + "bbox": [ + 132, + 343, + 141, + 352 + ], + "score": 0.79, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 141, + 341, + 163, + 354 + ], + "score": 1.0, + "content": ", too.", + "type": "text" + } + ], + "index": 13 + } + ], + "index": 12 + }, + { + "type": "text", + "bbox": [ + 107, + 364, + 365, + 377 + ], + "lines": [ + { + "bbox": [ + 105, + 363, + 365, + 380 + ], + "spans": [ + { + "bbox": [ + 105, + 363, + 169, + 380 + ], + "score": 1.0, + "content": "Proof. For any", + "type": "text" + }, + { + "bbox": [ + 169, + 365, + 203, + 376 + ], + "score": 0.92, + "content": "u \\in U ^ { \\perp }", + "type": "inline_equation" + }, + { + "bbox": [ + 203, + 363, + 221, + 380 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 221, + 366, + 247, + 376 + ], + "score": 0.9, + "content": "v \\in U", + "type": "inline_equation" + }, + { + "bbox": [ + 248, + 363, + 317, + 380 + ], + "score": 1.0, + "content": ", by symmetry of", + "type": "text" + }, + { + "bbox": [ + 317, + 366, + 326, + 375 + ], + "score": 0.85, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 326, + 363, + 365, + 380 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + } + ], + "index": 14 + } + ], + "index": 14 + }, + { + "type": "interline_equation", + "bbox": [ + 200, + 379, + 410, + 394 + ], + "lines": [ + { + "bbox": [ + 200, + 379, + 410, + 394 + ], + "spans": [ + { + "bbox": [ + 200, + 379, + 410, + 394 + ], + "score": 0.89, + "content": "\\langle P u , v \\rangle = ( P u ) ^ { \\top } v = u ^ { \\top } P ^ { \\top } v = u ^ { \\top } P v = \\langle u , P v \\rangle .", + "type": "interline_equation", + "image_path": "52ab40224e5255fd51194ad825ef29b1385ab12fd7152044ad6cf0db196800a5.jpg" + } + ] + } + ], + "index": 15, + "virtual_lines": [ + { + "bbox": [ + 200, + 379, + 410, + 394 + ], + "spans": [], + "index": 15 + } + ] + }, + { + "type": "text", + "bbox": [ + 108, + 398, + 503, + 422 + ], + "lines": [ + { + "bbox": [ + 105, + 397, + 501, + 411 + ], + "spans": [ + { + "bbox": [ + 105, + 397, + 131, + 411 + ], + "score": 1.0, + "content": "Since", + "type": "text" + }, + { + "bbox": [ + 131, + 399, + 140, + 409 + ], + "score": 0.83, + "content": "U", + "type": "inline_equation" + }, + { + "bbox": [ + 140, + 397, + 233, + 411 + ], + "score": 1.0, + "content": "is an invariant space of", + "type": "text" + }, + { + "bbox": [ + 233, + 399, + 242, + 409 + ], + "score": 0.83, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 242, + 397, + 280, + 411 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + }, + { + "bbox": [ + 280, + 399, + 314, + 409 + ], + "score": 0.9, + "content": "P v \\in U", + "type": "inline_equation" + }, + { + "bbox": [ + 314, + 397, + 383, + 411 + ], + "score": 1.0, + "content": ". Hence, we have", + "type": "text" + }, + { + "bbox": [ + 383, + 399, + 433, + 411 + ], + "score": 0.93, + "content": "\\langle u , P v \\rangle = 0", + "type": "inline_equation" + }, + { + "bbox": [ + 433, + 397, + 467, + 411 + ], + "score": 1.0, + "content": "because", + "type": "text" + }, + { + "bbox": [ + 468, + 398, + 501, + 409 + ], + "score": 0.91, + "content": "u \\in U ^ { \\perp }", + "type": "inline_equation" + } + ], + "index": 16 + }, + { + "bbox": [ + 106, + 409, + 506, + 421 + ], + "spans": [ + { + "bbox": [ + 106, + 409, + 149, + 421 + ], + "score": 1.0, + "content": "We obtain", + "type": "text" + }, + { + "bbox": [ + 150, + 410, + 191, + 420 + ], + "score": 0.91, + "content": "P u \\in U ^ { \\perp }", + "type": "inline_equation" + }, + { + "bbox": [ + 191, + 409, + 271, + 421 + ], + "score": 1.0, + "content": "by the definition of", + "type": "text" + }, + { + "bbox": [ + 271, + 410, + 286, + 420 + ], + "score": 0.89, + "content": "U ^ { \\perp }", + "type": "inline_equation" + }, + { + "bbox": [ + 286, + 409, + 290, + 421 + ], + "score": 1.0, + "content": ".", + "type": "text" + }, + { + "bbox": [ + 494, + 410, + 506, + 421 + ], + "score": 1.0, + "content": "□", + "type": "text" + } + ], + "index": 17 + } + ], + "index": 16.5 + }, + { + "type": "title", + "bbox": [ + 106, + 434, + 312, + 446 + ], + "lines": [ + { + "bbox": [ + 105, + 434, + 312, + 447 + ], + "spans": [ + { + "bbox": [ + 105, + 434, + 312, + 447 + ], + "score": 1.0, + "content": "E.2 CONVERGENCE TO TRIVIAL FIXED POINT", + "type": "text" + } + ], + "index": 18 + } + ], + "index": 18 + }, + { + "type": "text", + "bbox": [ + 106, + 453, + 506, + 488 + ], + "lines": [ + { + "bbox": [ + 104, + 452, + 506, + 468 + ], + "spans": [ + { + "bbox": [ + 104, + 452, + 122, + 468 + ], + "score": 1.0, + "content": "Let", + "type": "text" + }, + { + "bbox": [ + 123, + 454, + 172, + 465 + ], + "score": 0.91, + "content": "P \\in \\mathbb { R } ^ { N \\times N }", + "type": "inline_equation" + }, + { + "bbox": [ + 172, + 452, + 268, + 468 + ], + "score": 1.0, + "content": "be a symmetric matrix,", + "type": "text" + }, + { + "bbox": [ + 269, + 454, + 321, + 466 + ], + "score": 0.89, + "content": "W _ { l } \\in \\mathbb { R } ^ { C \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 322, + 452, + 325, + 468 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 326, + 457, + 335, + 466 + ], + "score": 0.72, + "content": "s _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 335, + 452, + 476, + 468 + ], + "score": 1.0, + "content": "be the maximum singular value of", + "type": "text" + }, + { + "bbox": [ + 476, + 455, + 489, + 466 + ], + "score": 0.88, + "content": "W _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 490, + 452, + 506, + 468 + ], + "score": 1.0, + "content": "for", + "type": "text" + } + ], + "index": 19 + }, + { + "bbox": [ + 106, + 462, + 507, + 480 + ], + "spans": [ + { + "bbox": [ + 106, + 466, + 139, + 478 + ], + "score": 0.91, + "content": "l \\in \\mathbb { N } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 140, + 462, + 190, + 480 + ], + "score": 1.0, + "content": ". We define", + "type": "text" + }, + { + "bbox": [ + 190, + 465, + 282, + 477 + ], + "score": 0.91, + "content": "f _ { l } ^ { ^ { \\bullet } } : \\mathbb { R } ^ { N \\times C } \\mathbb { R } ^ { N \\times { \\dot { C } } }", + "type": "inline_equation" + }, + { + "bbox": [ + 282, + 462, + 298, + 480 + ], + "score": 1.0, + "content": "by", + "type": "text" + }, + { + "bbox": [ + 298, + 466, + 385, + 478 + ], + "score": 0.93, + "content": "f _ { l } ( X ) : = \\sigma ( P X W _ { l } )", + "type": "inline_equation" + }, + { + "bbox": [ + 385, + 462, + 415, + 480 + ], + "score": 1.0, + "content": "where", + "type": "text" + }, + { + "bbox": [ + 415, + 468, + 422, + 476 + ], + "score": 0.78, + "content": "\\sigma", + "type": "inline_equation" + }, + { + "bbox": [ + 423, + 462, + 507, + 480 + ], + "score": 1.0, + "content": "is the element-wise", + "type": "text" + } + ], + "index": 20 + }, + { + "bbox": [ + 105, + 476, + 172, + 489 + ], + "spans": [ + { + "bbox": [ + 105, + 476, + 172, + 489 + ], + "score": 1.0, + "content": "ReLU function.", + "type": "text" + } + ], + "index": 21 + } + ], + "index": 20 + }, + { + "type": "text", + "bbox": [ + 106, + 491, + 505, + 525 + ], + "lines": [ + { + "bbox": [ + 106, + 490, + 505, + 504 + ], + "spans": [ + { + "bbox": [ + 106, + 490, + 351, + 504 + ], + "score": 1.0, + "content": "Proposition 3. Suppose further that the operator norm of", + "type": "text" + }, + { + "bbox": [ + 351, + 492, + 360, + 501 + ], + "score": 0.82, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 360, + 490, + 435, + 504 + ], + "score": 1.0, + "content": "is no larger than", + "type": "text" + }, + { + "bbox": [ + 436, + 492, + 443, + 501 + ], + "score": 0.77, + "content": "\\lambda ,", + "type": "inline_equation" + }, + { + "bbox": [ + 443, + 490, + 505, + 504 + ], + "score": 1.0, + "content": ", then we have", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 107, + 500, + 504, + 517 + ], + "spans": [ + { + "bbox": [ + 107, + 502, + 201, + 514 + ], + "score": 0.9, + "content": "\\| f _ { l } ( \\bar { \\boldsymbol { X } } ) \\| _ { \\mathrm { F } } \\leq s _ { l } \\lambda \\| \\bar { \\boldsymbol { X } } \\| _ { \\mathrm { F } }", + "type": "inline_equation" + }, + { + "bbox": [ + 202, + 500, + 236, + 517 + ], + "score": 1.0, + "content": "for any", + "type": "text" + }, + { + "bbox": [ + 237, + 502, + 269, + 514 + ], + "score": 0.9, + "content": "l \\in \\mathbb { N } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 270, + 500, + 346, + 517 + ], + "score": 1.0, + "content": ". In particular, let", + "type": "text" + }, + { + "bbox": [ + 347, + 503, + 414, + 516 + ], + "score": 0.9, + "content": "s : = \\operatorname* { s u p } _ { l \\in \\mathbb { N } _ { + } } s _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 415, + 500, + 430, + 517 + ], + "score": 1.0, + "content": ". If", + "type": "text" + }, + { + "bbox": [ + 431, + 502, + 463, + 513 + ], + "score": 0.88, + "content": "s \\lambda < 1", + "type": "inline_equation" + }, + { + "bbox": [ + 464, + 500, + 491, + 517 + ], + "score": 1.0, + "content": ", then,", + "type": "text" + }, + { + "bbox": [ + 491, + 502, + 504, + 513 + ], + "score": 0.85, + "content": "X _ { l }", + "type": "inline_equation" + } + ], + "index": 23 + }, + { + "bbox": [ + 106, + 514, + 263, + 527 + ], + "spans": [ + { + "bbox": [ + 106, + 514, + 230, + 527 + ], + "score": 1.0, + "content": "exponentially approaches 0 as", + "type": "text" + }, + { + "bbox": [ + 230, + 515, + 259, + 524 + ], + "score": 0.88, + "content": "l \\infty", + "type": "inline_equation" + }, + { + "bbox": [ + 259, + 514, + 263, + 527 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 24 + } + ], + "index": 23 + }, + { + "type": "text", + "bbox": [ + 107, + 537, + 505, + 583 + ], + "lines": [ + { + "bbox": [ + 105, + 537, + 506, + 550 + ], + "spans": [ + { + "bbox": [ + 105, + 537, + 162, + 550 + ], + "score": 1.0, + "content": "Proof. Since", + "type": "text" + }, + { + "bbox": [ + 162, + 538, + 169, + 548 + ], + "score": 0.81, + "content": "\\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 170, + 537, + 271, + 550 + ], + "score": 1.0, + "content": "is the operator norm of", + "type": "text" + }, + { + "bbox": [ + 271, + 538, + 295, + 550 + ], + "score": 0.92, + "content": "P | _ { U ^ { \\perp } }", + "type": "inline_equation" + }, + { + "bbox": [ + 295, + 537, + 506, + 550 + ], + "score": 1.0, + "content": ", the assumption implies that the operator norm of", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 107, + 547, + 506, + 561 + ], + "spans": [ + { + "bbox": [ + 107, + 549, + 116, + 559 + ], + "score": 0.8, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 116, + 547, + 211, + 561 + ], + "score": 1.0, + "content": "itself is no larger than", + "type": "text" + }, + { + "bbox": [ + 211, + 549, + 218, + 558 + ], + "score": 0.78, + "content": "\\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 219, + 547, + 308, + 561 + ], + "score": 1.0, + "content": ". Therefore, we have", + "type": "text" + }, + { + "bbox": [ + 308, + 549, + 468, + 560 + ], + "score": 0.9, + "content": "\\| P X W _ { l } \\| _ { \\mathrm { F } } \\leq \\lambda \\bar { \\| } X W _ { l } \\| _ { \\mathrm { F } } \\leq s _ { l } \\bar { \\lambda } \\| X \\| _ { \\mathrm { F } }", + "type": "inline_equation" + }, + { + "bbox": [ + 468, + 547, + 506, + 561 + ], + "score": 1.0, + "content": ". On the", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 103, + 558, + 506, + 573 + ], + "spans": [ + { + "bbox": [ + 103, + 558, + 179, + 573 + ], + "score": 1.0, + "content": "other hand, since", + "type": "text" + }, + { + "bbox": [ + 179, + 559, + 230, + 571 + ], + "score": 0.93, + "content": "\\sigma ( x ) ^ { 2 } \\leq x ^ { 2 }", + "type": "inline_equation" + }, + { + "bbox": [ + 230, + 558, + 264, + 573 + ], + "score": 1.0, + "content": "for any", + "type": "text" + }, + { + "bbox": [ + 264, + 560, + 293, + 570 + ], + "score": 0.89, + "content": "x \\in \\mathbb { R }", + "type": "inline_equation" + }, + { + "bbox": [ + 293, + 558, + 334, + 573 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + }, + { + "bbox": [ + 335, + 560, + 415, + 571 + ], + "score": 0.88, + "content": "\\| \\sigma ( X ) \\| _ { \\mathrm { F } } \\leq \\| X \\| _ { F }", + "type": "inline_equation" + }, + { + "bbox": [ + 415, + 558, + 449, + 573 + ], + "score": 1.0, + "content": "for any", + "type": "text" + }, + { + "bbox": [ + 450, + 559, + 501, + 570 + ], + "score": 0.9, + "content": "\\boldsymbol { X } ^ { \\prime } \\in \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 502, + 558, + 506, + 573 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 105, + 570, + 504, + 584 + ], + "spans": [ + { + "bbox": [ + 105, + 570, + 224, + 584 + ], + "score": 1.0, + "content": "Combining the two, we have", + "type": "text" + }, + { + "bbox": [ + 224, + 570, + 374, + 583 + ], + "score": 0.91, + "content": "\\Vert f _ { l } ( X ) \\Vert _ { \\mathrm { F } } \\leq \\Vert P X W _ { l } \\Vert _ { \\mathrm { F } } \\leq s _ { l } \\lambda \\Vert X \\Vert _ { \\mathrm { F } }", + "type": "inline_equation" + }, + { + "bbox": [ + 374, + 570, + 379, + 584 + ], + "score": 1.0, + "content": ".", + "type": "text" + }, + { + "bbox": [ + 496, + 572, + 504, + 579 + ], + "score": 0.998, + "content": "□", + "type": "text" + } + ], + "index": 28 + } + ], + "index": 26.5 + }, + { + "type": "title", + "bbox": [ + 107, + 595, + 253, + 606 + ], + "lines": [ + { + "bbox": [ + 105, + 594, + 254, + 608 + ], + "spans": [ + { + "bbox": [ + 105, + 594, + 254, + 608 + ], + "score": 1.0, + "content": "E.3 STRICTNESS OF THEOREM 1", + "type": "text" + } + ], + "index": 29 + } + ], + "index": 29 + }, + { + "type": "text", + "bbox": [ + 106, + 615, + 505, + 650 + ], + "lines": [ + { + "bbox": [ + 106, + 615, + 505, + 628 + ], + "spans": [ + { + "bbox": [ + 106, + 615, + 211, + 628 + ], + "score": 1.0, + "content": "Theorem 1 implies that if", + "type": "text" + }, + { + "bbox": [ + 211, + 616, + 242, + 627 + ], + "score": 0.91, + "content": "s \\lambda \\leq 1", + "type": "inline_equation" + }, + { + "bbox": [ + 242, + 615, + 345, + 628 + ], + "score": 1.0, + "content": ", then, one-step transition", + "type": "text" + }, + { + "bbox": [ + 345, + 616, + 354, + 627 + ], + "score": 0.87, + "content": "f _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 354, + 615, + 488, + 628 + ], + "score": 1.0, + "content": "does not increase the distance to", + "type": "text" + }, + { + "bbox": [ + 488, + 616, + 501, + 626 + ], + "score": 0.82, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 615, + 505, + 628 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 106, + 627, + 505, + 638 + ], + "spans": [ + { + "bbox": [ + 106, + 627, + 505, + 638 + ], + "score": 1.0, + "content": "In this section, we first prove that this theorem is strict in the sense that, there exists a situation in", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 106, + 638, + 483, + 650 + ], + "spans": [ + { + "bbox": [ + 106, + 638, + 133, + 650 + ], + "score": 1.0, + "content": "which", + "type": "text" + }, + { + "bbox": [ + 133, + 638, + 166, + 649 + ], + "score": 0.91, + "content": "s _ { l } \\lambda > 1", + "type": "inline_equation" + }, + { + "bbox": [ + 167, + 638, + 258, + 650 + ], + "score": 1.0, + "content": "holds and the distance", + "type": "text" + }, + { + "bbox": [ + 258, + 638, + 275, + 649 + ], + "score": 0.9, + "content": "d _ { \\mathcal { M } }", + "type": "inline_equation" + }, + { + "bbox": [ + 275, + 638, + 404, + 650 + ], + "score": 1.0, + "content": "increases by one-step transition", + "type": "text" + }, + { + "bbox": [ + 404, + 638, + 413, + 649 + ], + "score": 0.86, + "content": "f _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 413, + 638, + 470, + 650 + ], + "score": 1.0, + "content": "at some point", + "type": "text" + }, + { + "bbox": [ + 471, + 638, + 480, + 648 + ], + "score": 0.85, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 481, + 638, + 483, + 650 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 32 + } + ], + "index": 31 + }, + { + "type": "text", + "bbox": [ + 107, + 654, + 384, + 666 + ], + "lines": [ + { + "bbox": [ + 105, + 653, + 385, + 668 + ], + "spans": [ + { + "bbox": [ + 105, + 653, + 121, + 668 + ], + "score": 1.0, + "content": "Set", + "type": "text" + }, + { + "bbox": [ + 122, + 655, + 153, + 665 + ], + "score": 0.82, + "content": "N \\gets 2", + "type": "inline_equation" + }, + { + "bbox": [ + 153, + 653, + 156, + 668 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 156, + 655, + 186, + 665 + ], + "score": 0.82, + "content": "C \\gets 1", + "type": "inline_equation" + }, + { + "bbox": [ + 186, + 653, + 206, + 668 + ], + "score": 1.0, + "content": ", and", + "type": "text" + }, + { + "bbox": [ + 207, + 655, + 239, + 664 + ], + "score": 0.91, + "content": "M \\gets 1", + "type": "inline_equation" + }, + { + "bbox": [ + 239, + 653, + 317, + 668 + ], + "score": 1.0, + "content": "in Section 3.2. For", + "type": "text" + }, + { + "bbox": [ + 317, + 655, + 353, + 666 + ], + "score": 0.91, + "content": "\\mu , \\lambda > 0", + "type": "inline_equation" + }, + { + "bbox": [ + 353, + 653, + 385, + 668 + ], + "score": 1.0, + "content": ", we set", + "type": "text" + } + ], + "index": 33 + } + ], + "index": 33 + }, + { + "type": "interline_equation", + "bbox": [ + 206, + 668, + 402, + 696 + ], + "lines": [ + { + "bbox": [ + 206, + 668, + 402, + 696 + ], + "spans": [ + { + "bbox": [ + 206, + 668, + 402, + 696 + ], + "score": 0.93, + "content": "P [ { \\mu \\atop 0 } \\lambda ] , e [ 1 \\atop 0 ] , U \\{ [ { x \\atop y } ] \\mid y = 0 \\} .", + "type": "interline_equation", + "image_path": "31c8f337f767b389f9e29dc55525ffeb7295cd5c21158f1437be017ccbef7b58.jpg" + } + ] + } + ], + "index": 34, + "virtual_lines": [ + { + "bbox": [ + 206, + 668, + 402, + 696 + ], + "spans": [], + "index": 34 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 698, + 505, + 732 + ], + "lines": [ + { + "bbox": [ + 106, + 698, + 505, + 711 + ], + "spans": [ + { + "bbox": [ + 106, + 698, + 311, + 711 + ], + "score": 1.0, + "content": "Then, by definition, we can check that the 3-tuple", + "type": "text" + }, + { + "bbox": [ + 311, + 699, + 347, + 710 + ], + "score": 0.89, + "content": "( P , e , U )", + "type": "inline_equation" + }, + { + "bbox": [ + 347, + 698, + 505, + 711 + ], + "score": 1.0, + "content": "satisfies the Assumptions 1 and 2. Set", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 107, + 704, + 508, + 725 + ], + "spans": [ + { + "bbox": [ + 107, + 710, + 186, + 720 + ], + "score": 0.9, + "content": "\\mathcal { M } : = U \\otimes \\mathbb { R } = U", + "type": "inline_equation" + }, + { + "bbox": [ + 187, + 704, + 235, + 725 + ], + "score": 1.0, + "content": "and choose", + "type": "text" + }, + { + "bbox": [ + 235, + 710, + 268, + 720 + ], + "score": 0.91, + "content": "W \\in \\mathbb { R }", + "type": "inline_equation" + }, + { + "bbox": [ + 268, + 704, + 298, + 725 + ], + "score": 1.0, + "content": "so that", + "type": "text" + }, + { + "bbox": [ + 299, + 710, + 340, + 720 + ], + "score": 0.88, + "content": "W ^ { \\setminus } > \\lambda ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 341, + 704, + 404, + 725 + ], + "score": 1.0, + "content": ". Finally define", + "type": "text" + }, + { + "bbox": [ + 405, + 709, + 491, + 721 + ], + "score": 0.91, + "content": "f : \\mathbb { R } ^ { \\mathbf { \\hat { N } } \\times C } \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 491, + 704, + 508, + 725 + ], + "score": 1.0, + "content": "by", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 107, + 720, + 369, + 733 + ], + "spans": [ + { + "bbox": [ + 107, + 721, + 187, + 732 + ], + "score": 0.91, + "content": "f ( X ) : = \\sigma ( P X W )", + "type": "inline_equation" + }, + { + "bbox": [ + 188, + 720, + 216, + 733 + ], + "score": 1.0, + "content": "where", + "type": "text" + }, + { + "bbox": [ + 216, + 722, + 223, + 730 + ], + "score": 0.79, + "content": "\\sigma", + "type": "inline_equation" + }, + { + "bbox": [ + 224, + 720, + 369, + 733 + ], + "score": 1.0, + "content": "is the element-wise ReLU function.", + "type": "text" + } + ], + "index": 37 + } + ], + "index": 36 + } + ], + "page_idx": 20, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 106, + 26, + 294, + 38 + ], + "lines": [ + { + "bbox": [ + 106, + 25, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 25, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 300, + 751, + 310, + 760 + ], + "lines": [ + { + "bbox": [ + 298, + 750, + 312, + 765 + ], + "spans": [ + { + "bbox": [ + 298, + 750, + 312, + 765 + ], + "score": 1.0, + "content": "", + "type": "text", + "height": 15, + "width": 14 + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "text", + "bbox": [ + 106, + 80, + 354, + 96 + ], + "lines": [ + { + "bbox": [ + 105, + 78, + 355, + 97 + ], + "spans": [ + { + "bbox": [ + 105, + 81, + 217, + 94 + ], + "score": 1.0, + "content": "Proof of Theorem 3. Since", + "type": "text" + }, + { + "bbox": [ + 213, + 78, + 355, + 97 + ], + "score": 1.0, + "content": "log NNp = o(1), for fixed ε, we have", + "type": "text" + } + ], + "index": 0 + } + ], + "index": 0, + "bbox_fs": [ + 105, + 78, + 355, + 97 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 243, + 99, + 367, + 125 + ], + "lines": [ + { + "bbox": [ + 243, + 99, + 367, + 125 + ], + "spans": [ + { + "bbox": [ + 243, + 99, + 367, + 125 + ], + "score": 0.94, + "content": "\\frac { N p - p + 1 } { \\log N } > \\frac { N p } { \\log N } > k ( \\varepsilon )", + "type": "interline_equation", + "image_path": "463306171e0e7ca695b2cbb0e6dc4d97c6f902d744d5e10f5b1b37f770b5c8c8.jpg" + } + ] + } + ], + "index": 1, + "virtual_lines": [ + { + "bbox": [ + 243, + 99, + 367, + 125 + ], + "spans": [], + "index": 1 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 128, + 488, + 143 + ], + "lines": [ + { + "bbox": [ + 105, + 126, + 490, + 144 + ], + "spans": [ + { + "bbox": [ + 105, + 129, + 190, + 142 + ], + "score": 1.0, + "content": "for sufficiently large", + "type": "text" + }, + { + "bbox": [ + 190, + 130, + 200, + 140 + ], + "score": 0.81, + "content": "N", + "type": "inline_equation" + }, + { + "bbox": [ + 200, + 129, + 238, + 142 + ], + "score": 1.0, + "content": ". Further,", + "type": "text" + }, + { + "bbox": [ + 239, + 130, + 279, + 141 + ], + "score": 0.91, + "content": "N p \\to \\infty", + "type": "inline_equation" + }, + { + "bbox": [ + 280, + 129, + 291, + 142 + ], + "score": 1.0, + "content": "as", + "type": "text" + }, + { + "bbox": [ + 291, + 130, + 327, + 140 + ], + "score": 0.9, + "content": "N \\to \\infty", + "type": "inline_equation" + }, + { + "bbox": [ + 327, + 129, + 353, + 142 + ], + "score": 1.0, + "content": "whe", + "type": "text" + }, + { + "bbox": [ + 348, + 126, + 490, + 144 + ], + "score": 1.0, + "content": "n log NNp = o(1). Therefore, we have", + "type": "text" + } + ], + "index": 2 + } + ], + "index": 2, + "bbox_fs": [ + 105, + 126, + 490, + 144 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 210, + 146, + 401, + 174 + ], + "lines": [ + { + "bbox": [ + 210, + 146, + 401, + 174 + ], + "spans": [ + { + "bbox": [ + 210, + 146, + 401, + 174 + ], + "score": 0.93, + "content": "\\frac { ( 1 - p ) ^ { 2 } } { N p - p + 1 } \\leq \\frac { 1 } { N p } \\leq ( 7 - 4 \\sqrt { 3 } ) ^ { 2 } \\log \\left( \\frac { 4 N } { \\varepsilon } \\right)", + "type": "interline_equation", + "image_path": "13f440081ab3f99459b4e3aa7a438bf7b3d2fbfe37e2f3dc6de25b22a2cb82fa.jpg" + } + ] + } + ], + "index": 3, + "virtual_lines": [ + { + "bbox": [ + 210, + 146, + 401, + 174 + ], + "spans": [], + "index": 3 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 176, + 234, + 188 + ], + "lines": [ + { + "bbox": [ + 105, + 174, + 235, + 190 + ], + "spans": [ + { + "bbox": [ + 105, + 174, + 190, + 190 + ], + "score": 1.0, + "content": "for sufficiently large", + "type": "text" + }, + { + "bbox": [ + 190, + 177, + 200, + 186 + ], + "score": 0.8, + "content": "N", + "type": "inline_equation" + }, + { + "bbox": [ + 200, + 174, + 235, + 190 + ], + "score": 1.0, + "content": ". Hence.", + "type": "text" + } + ], + "index": 4 + } + ], + "index": 4, + "bbox_fs": [ + 105, + 174, + 235, + 190 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 219, + 191, + 392, + 224 + ], + "lines": [ + { + "bbox": [ + 219, + 191, + 392, + 224 + ], + "spans": [ + { + "bbox": [ + 219, + 191, + 392, + 224 + ], + "score": 0.95, + "content": "\\frac { 1 - p } { N p - p + 1 } \\leq ( 7 - 4 \\sqrt { 3 } ) \\sqrt { \\frac { \\log ( 4 N / \\varepsilon ) } { N p - p + 1 } } .", + "type": "interline_equation", + "image_path": "805df5f48792754d6a0d9f84f4cf09222c7674b243da522e00a34824e6f6df78.jpg" + } + ] + } + ], + "index": 5.5, + "virtual_lines": [ + { + "bbox": [ + 219, + 191, + 392, + 207.5 + ], + "spans": [], + "index": 5 + }, + { + "bbox": [ + 219, + 207.5, + 392, + 224.0 + ], + "spans": [], + "index": 6 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 228, + 506, + 260 + ], + "lines": [ + { + "bbox": [ + 105, + 227, + 506, + 248 + ], + "spans": [ + { + "bbox": [ + 105, + 228, + 190, + 246 + ], + "score": 1.0, + "content": "Therefore, we have", + "type": "text" + }, + { + "bbox": [ + 191, + 227, + 300, + 248 + ], + "score": 0.94, + "content": "\\begin{array} { r } { l ( N , p , \\varepsilon ) \\le 7 \\sqrt { \\frac { \\log ( 4 N / \\varepsilon ) } { N p - p + 1 } } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 300, + 228, + 302, + 248 + ], + "score": 1.0, + "content": ".", + "type": "text" + }, + { + "bbox": [ + 304, + 228, + 364, + 248 + ], + "score": 1.0, + "content": "Therefore, if", + "type": "text" + }, + { + "bbox": [ + 365, + 228, + 442, + 248 + ], + "score": 0.94, + "content": "s ~ \\le ~ \\frac { 1 } { 7 } \\sqrt { \\frac { N p - p + 1 } { \\log ( 4 N / \\varepsilon ) } }", + "type": "inline_equation" + }, + { + "bbox": [ + 442, + 228, + 506, + 248 + ], + "score": 1.0, + "content": ", then we have", + "type": "text" + } + ], + "index": 7 + }, + { + "bbox": [ + 107, + 246, + 178, + 260 + ], + "spans": [ + { + "bbox": [ + 107, + 246, + 174, + 260 + ], + "score": 0.91, + "content": "s \\leq l ( N , p , \\varepsilon ) ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 174, + 246, + 178, + 260 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 8 + } + ], + "index": 7.5, + "bbox_fs": [ + 105, + 227, + 506, + 260 + ] + }, + { + "type": "title", + "bbox": [ + 107, + 274, + 296, + 288 + ], + "lines": [ + { + "bbox": [ + 105, + 273, + 297, + 290 + ], + "spans": [ + { + "bbox": [ + 105, + 273, + 297, + 290 + ], + "score": 1.0, + "content": "E MISCELLANEOUS PROPOSITIONS", + "type": "text" + } + ], + "index": 9 + } + ], + "index": 9 + }, + { + "type": "text", + "bbox": [ + 106, + 298, + 359, + 311 + ], + "lines": [ + { + "bbox": [ + 105, + 298, + 359, + 312 + ], + "spans": [ + { + "bbox": [ + 105, + 298, + 359, + 312 + ], + "score": 1.0, + "content": "E.1 INVARIANCE OF ORTHOGONAL COMPLEMENT SPACE", + "type": "text" + } + ], + "index": 10 + } + ], + "index": 10, + "bbox_fs": [ + 105, + 298, + 359, + 312 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 318, + 505, + 353 + ], + "lines": [ + { + "bbox": [ + 104, + 316, + 505, + 333 + ], + "spans": [ + { + "bbox": [ + 104, + 316, + 185, + 333 + ], + "score": 1.0, + "content": "Proposition 2. Let", + "type": "text" + }, + { + "bbox": [ + 185, + 318, + 234, + 330 + ], + "score": 0.91, + "content": "P \\in \\mathbb { R } ^ { N \\times N }", + "type": "inline_equation" + }, + { + "bbox": [ + 234, + 316, + 439, + 333 + ], + "score": 1.0, + "content": "be a symmetric matrix, treated as a linear operator", + "type": "text" + }, + { + "bbox": [ + 439, + 319, + 501, + 330 + ], + "score": 0.9, + "content": "P : \\mathbb { R } ^ { N } \\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 316, + 505, + 333 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 105, + 330, + 506, + 343 + ], + "spans": [ + { + "bbox": [ + 105, + 330, + 163, + 343 + ], + "score": 1.0, + "content": "If a subspace", + "type": "text" + }, + { + "bbox": [ + 163, + 330, + 202, + 341 + ], + "score": 0.91, + "content": "U \\subset \\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 202, + 330, + 279, + 343 + ], + "score": 1.0, + "content": "is invariant under", + "type": "text" + }, + { + "bbox": [ + 279, + 331, + 288, + 341 + ], + "score": 0.8, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 288, + 330, + 318, + 343 + ], + "score": 1.0, + "content": "(i.e., if", + "type": "text" + }, + { + "bbox": [ + 319, + 331, + 347, + 342 + ], + "score": 0.87, + "content": "u \\in U", + "type": "inline_equation" + }, + { + "bbox": [ + 348, + 330, + 372, + 343 + ], + "score": 1.0, + "content": ", then", + "type": "text" + }, + { + "bbox": [ + 372, + 331, + 409, + 342 + ], + "score": 0.89, + "content": "P u \\in U", + "type": "inline_equation" + }, + { + "bbox": [ + 409, + 330, + 439, + 343 + ], + "score": 1.0, + "content": "), then,", + "type": "text" + }, + { + "bbox": [ + 439, + 330, + 455, + 341 + ], + "score": 0.87, + "content": "U ^ { \\perp }", + "type": "inline_equation" + }, + { + "bbox": [ + 455, + 330, + 506, + 343 + ], + "score": 1.0, + "content": "is invariant", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 105, + 341, + 163, + 354 + ], + "spans": [ + { + "bbox": [ + 105, + 341, + 132, + 354 + ], + "score": 1.0, + "content": "under", + "type": "text" + }, + { + "bbox": [ + 132, + 343, + 141, + 352 + ], + "score": 0.79, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 141, + 341, + 163, + 354 + ], + "score": 1.0, + "content": ", too.", + "type": "text" + } + ], + "index": 13 + } + ], + "index": 12, + "bbox_fs": [ + 104, + 316, + 506, + 354 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 364, + 365, + 377 + ], + "lines": [ + { + "bbox": [ + 105, + 363, + 365, + 380 + ], + "spans": [ + { + "bbox": [ + 105, + 363, + 169, + 380 + ], + "score": 1.0, + "content": "Proof. For any", + "type": "text" + }, + { + "bbox": [ + 169, + 365, + 203, + 376 + ], + "score": 0.92, + "content": "u \\in U ^ { \\perp }", + "type": "inline_equation" + }, + { + "bbox": [ + 203, + 363, + 221, + 380 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 221, + 366, + 247, + 376 + ], + "score": 0.9, + "content": "v \\in U", + "type": "inline_equation" + }, + { + "bbox": [ + 248, + 363, + 317, + 380 + ], + "score": 1.0, + "content": ", by symmetry of", + "type": "text" + }, + { + "bbox": [ + 317, + 366, + 326, + 375 + ], + "score": 0.85, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 326, + 363, + 365, + 380 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + } + ], + "index": 14 + } + ], + "index": 14, + "bbox_fs": [ + 105, + 363, + 365, + 380 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 200, + 379, + 410, + 394 + ], + "lines": [ + { + "bbox": [ + 200, + 379, + 410, + 394 + ], + "spans": [ + { + "bbox": [ + 200, + 379, + 410, + 394 + ], + "score": 0.89, + "content": "\\langle P u , v \\rangle = ( P u ) ^ { \\top } v = u ^ { \\top } P ^ { \\top } v = u ^ { \\top } P v = \\langle u , P v \\rangle .", + "type": "interline_equation", + "image_path": "52ab40224e5255fd51194ad825ef29b1385ab12fd7152044ad6cf0db196800a5.jpg" + } + ] + } + ], + "index": 15, + "virtual_lines": [ + { + "bbox": [ + 200, + 379, + 410, + 394 + ], + "spans": [], + "index": 15 + } + ] + }, + { + "type": "text", + "bbox": [ + 108, + 398, + 503, + 422 + ], + "lines": [ + { + "bbox": [ + 105, + 397, + 501, + 411 + ], + "spans": [ + { + "bbox": [ + 105, + 397, + 131, + 411 + ], + "score": 1.0, + "content": "Since", + "type": "text" + }, + { + "bbox": [ + 131, + 399, + 140, + 409 + ], + "score": 0.83, + "content": "U", + "type": "inline_equation" + }, + { + "bbox": [ + 140, + 397, + 233, + 411 + ], + "score": 1.0, + "content": "is an invariant space of", + "type": "text" + }, + { + "bbox": [ + 233, + 399, + 242, + 409 + ], + "score": 0.83, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 242, + 397, + 280, + 411 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + }, + { + "bbox": [ + 280, + 399, + 314, + 409 + ], + "score": 0.9, + "content": "P v \\in U", + "type": "inline_equation" + }, + { + "bbox": [ + 314, + 397, + 383, + 411 + ], + "score": 1.0, + "content": ". Hence, we have", + "type": "text" + }, + { + "bbox": [ + 383, + 399, + 433, + 411 + ], + "score": 0.93, + "content": "\\langle u , P v \\rangle = 0", + "type": "inline_equation" + }, + { + "bbox": [ + 433, + 397, + 467, + 411 + ], + "score": 1.0, + "content": "because", + "type": "text" + }, + { + "bbox": [ + 468, + 398, + 501, + 409 + ], + "score": 0.91, + "content": "u \\in U ^ { \\perp }", + "type": "inline_equation" + } + ], + "index": 16 + }, + { + "bbox": [ + 106, + 409, + 506, + 421 + ], + "spans": [ + { + "bbox": [ + 106, + 409, + 149, + 421 + ], + "score": 1.0, + "content": "We obtain", + "type": "text" + }, + { + "bbox": [ + 150, + 410, + 191, + 420 + ], + "score": 0.91, + "content": "P u \\in U ^ { \\perp }", + "type": "inline_equation" + }, + { + "bbox": [ + 191, + 409, + 271, + 421 + ], + "score": 1.0, + "content": "by the definition of", + "type": "text" + }, + { + "bbox": [ + 271, + 410, + 286, + 420 + ], + "score": 0.89, + "content": "U ^ { \\perp }", + "type": "inline_equation" + }, + { + "bbox": [ + 286, + 409, + 290, + 421 + ], + "score": 1.0, + "content": ".", + "type": "text" + }, + { + "bbox": [ + 494, + 410, + 506, + 421 + ], + "score": 1.0, + "content": "□", + "type": "text" + } + ], + "index": 17 + } + ], + "index": 16.5, + "bbox_fs": [ + 105, + 397, + 506, + 421 + ] + }, + { + "type": "title", + "bbox": [ + 106, + 434, + 312, + 446 + ], + "lines": [ + { + "bbox": [ + 105, + 434, + 312, + 447 + ], + "spans": [ + { + "bbox": [ + 105, + 434, + 312, + 447 + ], + "score": 1.0, + "content": "E.2 CONVERGENCE TO TRIVIAL FIXED POINT", + "type": "text" + } + ], + "index": 18 + } + ], + "index": 18 + }, + { + "type": "text", + "bbox": [ + 106, + 453, + 506, + 488 + ], + "lines": [ + { + "bbox": [ + 104, + 452, + 506, + 468 + ], + "spans": [ + { + "bbox": [ + 104, + 452, + 122, + 468 + ], + "score": 1.0, + "content": "Let", + "type": "text" + }, + { + "bbox": [ + 123, + 454, + 172, + 465 + ], + "score": 0.91, + "content": "P \\in \\mathbb { R } ^ { N \\times N }", + "type": "inline_equation" + }, + { + "bbox": [ + 172, + 452, + 268, + 468 + ], + "score": 1.0, + "content": "be a symmetric matrix,", + "type": "text" + }, + { + "bbox": [ + 269, + 454, + 321, + 466 + ], + "score": 0.89, + "content": "W _ { l } \\in \\mathbb { R } ^ { C \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 322, + 452, + 325, + 468 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 326, + 457, + 335, + 466 + ], + "score": 0.72, + "content": "s _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 335, + 452, + 476, + 468 + ], + "score": 1.0, + "content": "be the maximum singular value of", + "type": "text" + }, + { + "bbox": [ + 476, + 455, + 489, + 466 + ], + "score": 0.88, + "content": "W _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 490, + 452, + 506, + 468 + ], + "score": 1.0, + "content": "for", + "type": "text" + } + ], + "index": 19 + }, + { + "bbox": [ + 106, + 462, + 507, + 480 + ], + "spans": [ + { + "bbox": [ + 106, + 466, + 139, + 478 + ], + "score": 0.91, + "content": "l \\in \\mathbb { N } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 140, + 462, + 190, + 480 + ], + "score": 1.0, + "content": ". We define", + "type": "text" + }, + { + "bbox": [ + 190, + 465, + 282, + 477 + ], + "score": 0.91, + "content": "f _ { l } ^ { ^ { \\bullet } } : \\mathbb { R } ^ { N \\times C } \\mathbb { R } ^ { N \\times { \\dot { C } } }", + "type": "inline_equation" + }, + { + "bbox": [ + 282, + 462, + 298, + 480 + ], + "score": 1.0, + "content": "by", + "type": "text" + }, + { + "bbox": [ + 298, + 466, + 385, + 478 + ], + "score": 0.93, + "content": "f _ { l } ( X ) : = \\sigma ( P X W _ { l } )", + "type": "inline_equation" + }, + { + "bbox": [ + 385, + 462, + 415, + 480 + ], + "score": 1.0, + "content": "where", + "type": "text" + }, + { + "bbox": [ + 415, + 468, + 422, + 476 + ], + "score": 0.78, + "content": "\\sigma", + "type": "inline_equation" + }, + { + "bbox": [ + 423, + 462, + 507, + 480 + ], + "score": 1.0, + "content": "is the element-wise", + "type": "text" + } + ], + "index": 20 + }, + { + "bbox": [ + 105, + 476, + 172, + 489 + ], + "spans": [ + { + "bbox": [ + 105, + 476, + 172, + 489 + ], + "score": 1.0, + "content": "ReLU function.", + "type": "text" + } + ], + "index": 21 + } + ], + "index": 20, + "bbox_fs": [ + 104, + 452, + 507, + 489 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 491, + 505, + 525 + ], + "lines": [ + { + "bbox": [ + 106, + 490, + 505, + 504 + ], + "spans": [ + { + "bbox": [ + 106, + 490, + 351, + 504 + ], + "score": 1.0, + "content": "Proposition 3. Suppose further that the operator norm of", + "type": "text" + }, + { + "bbox": [ + 351, + 492, + 360, + 501 + ], + "score": 0.82, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 360, + 490, + 435, + 504 + ], + "score": 1.0, + "content": "is no larger than", + "type": "text" + }, + { + "bbox": [ + 436, + 492, + 443, + 501 + ], + "score": 0.77, + "content": "\\lambda ,", + "type": "inline_equation" + }, + { + "bbox": [ + 443, + 490, + 505, + 504 + ], + "score": 1.0, + "content": ", then we have", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 107, + 500, + 504, + 517 + ], + "spans": [ + { + "bbox": [ + 107, + 502, + 201, + 514 + ], + "score": 0.9, + "content": "\\| f _ { l } ( \\bar { \\boldsymbol { X } } ) \\| _ { \\mathrm { F } } \\leq s _ { l } \\lambda \\| \\bar { \\boldsymbol { X } } \\| _ { \\mathrm { F } }", + "type": "inline_equation" + }, + { + "bbox": [ + 202, + 500, + 236, + 517 + ], + "score": 1.0, + "content": "for any", + "type": "text" + }, + { + "bbox": [ + 237, + 502, + 269, + 514 + ], + "score": 0.9, + "content": "l \\in \\mathbb { N } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 270, + 500, + 346, + 517 + ], + "score": 1.0, + "content": ". In particular, let", + "type": "text" + }, + { + "bbox": [ + 347, + 503, + 414, + 516 + ], + "score": 0.9, + "content": "s : = \\operatorname* { s u p } _ { l \\in \\mathbb { N } _ { + } } s _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 415, + 500, + 430, + 517 + ], + "score": 1.0, + "content": ". If", + "type": "text" + }, + { + "bbox": [ + 431, + 502, + 463, + 513 + ], + "score": 0.88, + "content": "s \\lambda < 1", + "type": "inline_equation" + }, + { + "bbox": [ + 464, + 500, + 491, + 517 + ], + "score": 1.0, + "content": ", then,", + "type": "text" + }, + { + "bbox": [ + 491, + 502, + 504, + 513 + ], + "score": 0.85, + "content": "X _ { l }", + "type": "inline_equation" + } + ], + "index": 23 + }, + { + "bbox": [ + 106, + 514, + 263, + 527 + ], + "spans": [ + { + "bbox": [ + 106, + 514, + 230, + 527 + ], + "score": 1.0, + "content": "exponentially approaches 0 as", + "type": "text" + }, + { + "bbox": [ + 230, + 515, + 259, + 524 + ], + "score": 0.88, + "content": "l \\infty", + "type": "inline_equation" + }, + { + "bbox": [ + 259, + 514, + 263, + 527 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 24 + } + ], + "index": 23, + "bbox_fs": [ + 106, + 490, + 505, + 527 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 537, + 505, + 583 + ], + "lines": [ + { + "bbox": [ + 105, + 537, + 506, + 550 + ], + "spans": [ + { + "bbox": [ + 105, + 537, + 162, + 550 + ], + "score": 1.0, + "content": "Proof. Since", + "type": "text" + }, + { + "bbox": [ + 162, + 538, + 169, + 548 + ], + "score": 0.81, + "content": "\\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 170, + 537, + 271, + 550 + ], + "score": 1.0, + "content": "is the operator norm of", + "type": "text" + }, + { + "bbox": [ + 271, + 538, + 295, + 550 + ], + "score": 0.92, + "content": "P | _ { U ^ { \\perp } }", + "type": "inline_equation" + }, + { + "bbox": [ + 295, + 537, + 506, + 550 + ], + "score": 1.0, + "content": ", the assumption implies that the operator norm of", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 107, + 547, + 506, + 561 + ], + "spans": [ + { + "bbox": [ + 107, + 549, + 116, + 559 + ], + "score": 0.8, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 116, + 547, + 211, + 561 + ], + "score": 1.0, + "content": "itself is no larger than", + "type": "text" + }, + { + "bbox": [ + 211, + 549, + 218, + 558 + ], + "score": 0.78, + "content": "\\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 219, + 547, + 308, + 561 + ], + "score": 1.0, + "content": ". Therefore, we have", + "type": "text" + }, + { + "bbox": [ + 308, + 549, + 468, + 560 + ], + "score": 0.9, + "content": "\\| P X W _ { l } \\| _ { \\mathrm { F } } \\leq \\lambda \\bar { \\| } X W _ { l } \\| _ { \\mathrm { F } } \\leq s _ { l } \\bar { \\lambda } \\| X \\| _ { \\mathrm { F } }", + "type": "inline_equation" + }, + { + "bbox": [ + 468, + 547, + 506, + 561 + ], + "score": 1.0, + "content": ". On the", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 103, + 558, + 506, + 573 + ], + "spans": [ + { + "bbox": [ + 103, + 558, + 179, + 573 + ], + "score": 1.0, + "content": "other hand, since", + "type": "text" + }, + { + "bbox": [ + 179, + 559, + 230, + 571 + ], + "score": 0.93, + "content": "\\sigma ( x ) ^ { 2 } \\leq x ^ { 2 }", + "type": "inline_equation" + }, + { + "bbox": [ + 230, + 558, + 264, + 573 + ], + "score": 1.0, + "content": "for any", + "type": "text" + }, + { + "bbox": [ + 264, + 560, + 293, + 570 + ], + "score": 0.89, + "content": "x \\in \\mathbb { R }", + "type": "inline_equation" + }, + { + "bbox": [ + 293, + 558, + 334, + 573 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + }, + { + "bbox": [ + 335, + 560, + 415, + 571 + ], + "score": 0.88, + "content": "\\| \\sigma ( X ) \\| _ { \\mathrm { F } } \\leq \\| X \\| _ { F }", + "type": "inline_equation" + }, + { + "bbox": [ + 415, + 558, + 449, + 573 + ], + "score": 1.0, + "content": "for any", + "type": "text" + }, + { + "bbox": [ + 450, + 559, + 501, + 570 + ], + "score": 0.9, + "content": "\\boldsymbol { X } ^ { \\prime } \\in \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 502, + 558, + 506, + 573 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 105, + 570, + 504, + 584 + ], + "spans": [ + { + "bbox": [ + 105, + 570, + 224, + 584 + ], + "score": 1.0, + "content": "Combining the two, we have", + "type": "text" + }, + { + "bbox": [ + 224, + 570, + 374, + 583 + ], + "score": 0.91, + "content": "\\Vert f _ { l } ( X ) \\Vert _ { \\mathrm { F } } \\leq \\Vert P X W _ { l } \\Vert _ { \\mathrm { F } } \\leq s _ { l } \\lambda \\Vert X \\Vert _ { \\mathrm { F } }", + "type": "inline_equation" + }, + { + "bbox": [ + 374, + 570, + 379, + 584 + ], + "score": 1.0, + "content": ".", + "type": "text" + }, + { + "bbox": [ + 496, + 572, + 504, + 579 + ], + "score": 0.998, + "content": "□", + "type": "text" + } + ], + "index": 28 + } + ], + "index": 26.5, + "bbox_fs": [ + 103, + 537, + 506, + 584 + ] + }, + { + "type": "title", + "bbox": [ + 107, + 595, + 253, + 606 + ], + "lines": [ + { + "bbox": [ + 105, + 594, + 254, + 608 + ], + "spans": [ + { + "bbox": [ + 105, + 594, + 254, + 608 + ], + "score": 1.0, + "content": "E.3 STRICTNESS OF THEOREM 1", + "type": "text" + } + ], + "index": 29 + } + ], + "index": 29 + }, + { + "type": "text", + "bbox": [ + 106, + 615, + 505, + 650 + ], + "lines": [ + { + "bbox": [ + 106, + 615, + 505, + 628 + ], + "spans": [ + { + "bbox": [ + 106, + 615, + 211, + 628 + ], + "score": 1.0, + "content": "Theorem 1 implies that if", + "type": "text" + }, + { + "bbox": [ + 211, + 616, + 242, + 627 + ], + "score": 0.91, + "content": "s \\lambda \\leq 1", + "type": "inline_equation" + }, + { + "bbox": [ + 242, + 615, + 345, + 628 + ], + "score": 1.0, + "content": ", then, one-step transition", + "type": "text" + }, + { + "bbox": [ + 345, + 616, + 354, + 627 + ], + "score": 0.87, + "content": "f _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 354, + 615, + 488, + 628 + ], + "score": 1.0, + "content": "does not increase the distance to", + "type": "text" + }, + { + "bbox": [ + 488, + 616, + 501, + 626 + ], + "score": 0.82, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 615, + 505, + 628 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 106, + 627, + 505, + 638 + ], + "spans": [ + { + "bbox": [ + 106, + 627, + 505, + 638 + ], + "score": 1.0, + "content": "In this section, we first prove that this theorem is strict in the sense that, there exists a situation in", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 106, + 638, + 483, + 650 + ], + "spans": [ + { + "bbox": [ + 106, + 638, + 133, + 650 + ], + "score": 1.0, + "content": "which", + "type": "text" + }, + { + "bbox": [ + 133, + 638, + 166, + 649 + ], + "score": 0.91, + "content": "s _ { l } \\lambda > 1", + "type": "inline_equation" + }, + { + "bbox": [ + 167, + 638, + 258, + 650 + ], + "score": 1.0, + "content": "holds and the distance", + "type": "text" + }, + { + "bbox": [ + 258, + 638, + 275, + 649 + ], + "score": 0.9, + "content": "d _ { \\mathcal { M } }", + "type": "inline_equation" + }, + { + "bbox": [ + 275, + 638, + 404, + 650 + ], + "score": 1.0, + "content": "increases by one-step transition", + "type": "text" + }, + { + "bbox": [ + 404, + 638, + 413, + 649 + ], + "score": 0.86, + "content": "f _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 413, + 638, + 470, + 650 + ], + "score": 1.0, + "content": "at some point", + "type": "text" + }, + { + "bbox": [ + 471, + 638, + 480, + 648 + ], + "score": 0.85, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 481, + 638, + 483, + 650 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 32 + } + ], + "index": 31, + "bbox_fs": [ + 106, + 615, + 505, + 650 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 654, + 384, + 666 + ], + "lines": [ + { + "bbox": [ + 105, + 653, + 385, + 668 + ], + "spans": [ + { + "bbox": [ + 105, + 653, + 121, + 668 + ], + "score": 1.0, + "content": "Set", + "type": "text" + }, + { + "bbox": [ + 122, + 655, + 153, + 665 + ], + "score": 0.82, + "content": "N \\gets 2", + "type": "inline_equation" + }, + { + "bbox": [ + 153, + 653, + 156, + 668 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 156, + 655, + 186, + 665 + ], + "score": 0.82, + "content": "C \\gets 1", + "type": "inline_equation" + }, + { + "bbox": [ + 186, + 653, + 206, + 668 + ], + "score": 1.0, + "content": ", and", + "type": "text" + }, + { + "bbox": [ + 207, + 655, + 239, + 664 + ], + "score": 0.91, + "content": "M \\gets 1", + "type": "inline_equation" + }, + { + "bbox": [ + 239, + 653, + 317, + 668 + ], + "score": 1.0, + "content": "in Section 3.2. For", + "type": "text" + }, + { + "bbox": [ + 317, + 655, + 353, + 666 + ], + "score": 0.91, + "content": "\\mu , \\lambda > 0", + "type": "inline_equation" + }, + { + "bbox": [ + 353, + 653, + 385, + 668 + ], + "score": 1.0, + "content": ", we set", + "type": "text" + } + ], + "index": 33 + } + ], + "index": 33, + "bbox_fs": [ + 105, + 653, + 385, + 668 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 206, + 668, + 402, + 696 + ], + "lines": [ + { + "bbox": [ + 206, + 668, + 402, + 696 + ], + "spans": [ + { + "bbox": [ + 206, + 668, + 402, + 696 + ], + "score": 0.93, + "content": "P [ { \\mu \\atop 0 } \\lambda ] , e [ 1 \\atop 0 ] , U \\{ [ { x \\atop y } ] \\mid y = 0 \\} .", + "type": "interline_equation", + "image_path": "31c8f337f767b389f9e29dc55525ffeb7295cd5c21158f1437be017ccbef7b58.jpg" + } + ] + } + ], + "index": 34, + "virtual_lines": [ + { + "bbox": [ + 206, + 668, + 402, + 696 + ], + "spans": [], + "index": 34 + } + ] + }, + { + "type": "text", + "bbox": [ + 106, + 698, + 505, + 732 + ], + "lines": [ + { + "bbox": [ + 106, + 698, + 505, + 711 + ], + "spans": [ + { + "bbox": [ + 106, + 698, + 311, + 711 + ], + "score": 1.0, + "content": "Then, by definition, we can check that the 3-tuple", + "type": "text" + }, + { + "bbox": [ + 311, + 699, + 347, + 710 + ], + "score": 0.89, + "content": "( P , e , U )", + "type": "inline_equation" + }, + { + "bbox": [ + 347, + 698, + 505, + 711 + ], + "score": 1.0, + "content": "satisfies the Assumptions 1 and 2. Set", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 107, + 704, + 508, + 725 + ], + "spans": [ + { + "bbox": [ + 107, + 710, + 186, + 720 + ], + "score": 0.9, + "content": "\\mathcal { M } : = U \\otimes \\mathbb { R } = U", + "type": "inline_equation" + }, + { + "bbox": [ + 187, + 704, + 235, + 725 + ], + "score": 1.0, + "content": "and choose", + "type": "text" + }, + { + "bbox": [ + 235, + 710, + 268, + 720 + ], + "score": 0.91, + "content": "W \\in \\mathbb { R }", + "type": "inline_equation" + }, + { + "bbox": [ + 268, + 704, + 298, + 725 + ], + "score": 1.0, + "content": "so that", + "type": "text" + }, + { + "bbox": [ + 299, + 710, + 340, + 720 + ], + "score": 0.88, + "content": "W ^ { \\setminus } > \\lambda ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 341, + 704, + 404, + 725 + ], + "score": 1.0, + "content": ". Finally define", + "type": "text" + }, + { + "bbox": [ + 405, + 709, + 491, + 721 + ], + "score": 0.91, + "content": "f : \\mathbb { R } ^ { \\mathbf { \\hat { N } } \\times C } \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 491, + 704, + 508, + 725 + ], + "score": 1.0, + "content": "by", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 107, + 720, + 369, + 733 + ], + "spans": [ + { + "bbox": [ + 107, + 721, + 187, + 732 + ], + "score": 0.91, + "content": "f ( X ) : = \\sigma ( P X W )", + "type": "inline_equation" + }, + { + "bbox": [ + 188, + 720, + 216, + 733 + ], + "score": 1.0, + "content": "where", + "type": "text" + }, + { + "bbox": [ + 216, + 722, + 223, + 730 + ], + "score": 0.79, + "content": "\\sigma", + "type": "inline_equation" + }, + { + "bbox": [ + 224, + 720, + 369, + 733 + ], + "score": 1.0, + "content": "is the element-wise ReLU function.", + "type": "text" + } + ], + "index": 37 + } + ], + "index": 36, + "bbox_fs": [ + 106, + 698, + 508, + 733 + ] + } + ] + }, + { + "preproc_blocks": [ + { + "type": "text", + "bbox": [ + 106, + 105, + 505, + 146 + ], + "lines": [ + { + "bbox": [ + 106, + 105, + 506, + 120 + ], + "spans": [ + { + "bbox": [ + 106, + 105, + 232, + 120 + ], + "score": 1.0, + "content": "Proof. By definition, we have", + "type": "text" + }, + { + "bbox": [ + 233, + 106, + 298, + 119 + ], + "score": 0.93, + "content": "d _ { \\mathcal { M } } ( X ) = | x _ { 2 } |", + "type": "inline_equation" + }, + { + "bbox": [ + 298, + 105, + 506, + 120 + ], + "score": 1.0, + "content": ". On the other hand, direct calculation shows that", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 107, + 119, + 506, + 134 + ], + "spans": [ + { + "bbox": [ + 107, + 119, + 260, + 134 + ], + "score": 0.86, + "content": "f _ { l } ( X ) = \\left[ ( W \\mu X _ { 1 } ) ^ { + } \\quad ( W \\lambda X _ { 2 } ) ^ { + } \\right] ^ { \\top }", + "type": "inline_equation" + }, + { + "bbox": [ + 260, + 119, + 279, + 134 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 280, + 120, + 387, + 133 + ], + "score": 0.91, + "content": "d _ { \\mathcal { M } } ( f _ { l } ( X ) ) = ( W \\lambda X _ { 2 } ) ^ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 387, + 119, + 416, + 134 + ], + "score": 1.0, + "content": "where", + "type": "text" + }, + { + "bbox": [ + 416, + 120, + 489, + 133 + ], + "score": 0.91, + "content": "x ^ { + } : = \\operatorname* { m a x } ( x , 0 )", + "type": "inline_equation" + }, + { + "bbox": [ + 489, + 119, + 506, + 134 + ], + "score": 1.0, + "content": "for", + "type": "text" + } + ], + "index": 1 + }, + { + "bbox": [ + 107, + 132, + 506, + 147 + ], + "spans": [ + { + "bbox": [ + 107, + 134, + 132, + 144 + ], + "score": 0.87, + "content": "x \\in \\mathbb { R }", + "type": "inline_equation" + }, + { + "bbox": [ + 133, + 132, + 162, + 147 + ], + "score": 1.0, + "content": ". Since", + "type": "text" + }, + { + "bbox": [ + 162, + 133, + 203, + 144 + ], + "score": 0.89, + "content": "W > \\lambda ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 204, + 132, + 221, + 147 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 222, + 135, + 251, + 145 + ], + "score": 0.89, + "content": "x _ { 2 } > 0", + "type": "inline_equation" + }, + { + "bbox": [ + 252, + 132, + 290, + 147 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + }, + { + "bbox": [ + 290, + 134, + 384, + 146 + ], + "score": 0.91, + "content": "d _ { \\mathcal { M } } ( f _ { l } ( X ) ) > d _ { \\mathcal { M } } ( X )", + "type": "inline_equation" + }, + { + "bbox": [ + 385, + 132, + 389, + 147 + ], + "score": 1.0, + "content": ".", + "type": "text" + }, + { + "bbox": [ + 494, + 134, + 506, + 145 + ], + "score": 0.999, + "content": "□", + "type": "text" + } + ], + "index": 2 + } + ], + "index": 1 + }, + { + "type": "text", + "bbox": [ + 106, + 157, + 506, + 191 + ], + "lines": [ + { + "bbox": [ + 106, + 157, + 505, + 169 + ], + "spans": [ + { + "bbox": [ + 106, + 157, + 505, + 169 + ], + "score": 1.0, + "content": "Next, we prove the non-strictness of Theorem 1 in the sense that there exists a situation in which", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 107, + 168, + 506, + 181 + ], + "spans": [ + { + "bbox": [ + 107, + 169, + 140, + 180 + ], + "score": 0.9, + "content": "s _ { l } \\lambda > 1", + "type": "inline_equation" + }, + { + "bbox": [ + 141, + 168, + 234, + 181 + ], + "score": 1.0, + "content": "holds and the distance", + "type": "text" + }, + { + "bbox": [ + 234, + 169, + 250, + 180 + ], + "score": 0.9, + "content": "d _ { \\mathcal { M } }", + "type": "inline_equation" + }, + { + "bbox": [ + 250, + 168, + 348, + 181 + ], + "score": 1.0, + "content": "uniformly decreases by", + "type": "text" + }, + { + "bbox": [ + 348, + 169, + 357, + 180 + ], + "score": 0.84, + "content": "f _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 357, + 168, + 435, + 181 + ], + "score": 1.0, + "content": ". Again, we set Set", + "type": "text" + }, + { + "bbox": [ + 435, + 169, + 467, + 179 + ], + "score": 0.85, + "content": "N \\gets 2", + "type": "inline_equation" + }, + { + "bbox": [ + 467, + 168, + 470, + 181 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 471, + 169, + 501, + 179 + ], + "score": 0.83, + "content": "C \\gets 1", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 168, + 506, + 181 + ], + "score": 1.0, + "content": ",", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 106, + 180, + 249, + 191 + ], + "spans": [ + { + "bbox": [ + 106, + 180, + 123, + 191 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 124, + 180, + 156, + 190 + ], + "score": 0.89, + "content": "M \\gets 1", + "type": "inline_equation" + }, + { + "bbox": [ + 156, + 180, + 176, + 191 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 176, + 180, + 217, + 191 + ], + "score": 0.93, + "content": "\\lambda \\in ( 1 , 2 )", + "type": "inline_equation" + }, + { + "bbox": [ + 217, + 180, + 249, + 191 + ], + "score": 1.0, + "content": "and set", + "type": "text" + } + ], + "index": 5 + } + ], + "index": 4 + }, + { + "type": "interline_equation", + "bbox": [ + 188, + 196, + 423, + 224 + ], + "lines": [ + { + "bbox": [ + 188, + 196, + 423, + 224 + ], + "spans": [ + { + "bbox": [ + 188, + 196, + 423, + 224 + ], + "score": 0.94, + "content": "P \\frac { \\lambda } { 2 } [ \\begin{array} { c c } { 1 } & { - 1 } \\\\ { - 1 } & { 1 } \\end{array} ] , e \\frac { 1 } { \\sqrt { 2 } } [ \\begin{array} { c } { 1 } \\\\ { 1 } \\end{array} ] , U \\{ [ \\begin{array} { c } { x } \\\\ { y } \\end{array} ] | x = y \\}", + "type": "interline_equation", + "image_path": "087c9606e481a961a37b1e1babb22cba1730aec8a623132d768567bf6bb36c81.jpg" + } + ] + } + ], + "index": 6, + "virtual_lines": [ + { + "bbox": [ + 188, + 196, + 423, + 224 + ], + "spans": [], + "index": 6 + } + ] + }, + { + "type": "text", + "bbox": [ + 105, + 228, + 494, + 240 + ], + "lines": [ + { + "bbox": [ + 106, + 227, + 495, + 242 + ], + "spans": [ + { + "bbox": [ + 106, + 227, + 267, + 242 + ], + "score": 1.0, + "content": "Then, we can directly show that 3-tuple", + "type": "text" + }, + { + "bbox": [ + 267, + 228, + 303, + 241 + ], + "score": 0.93, + "content": "( P , e , U )", + "type": "inline_equation" + }, + { + "bbox": [ + 304, + 227, + 458, + 242 + ], + "score": 1.0, + "content": "satisfies the Assumptions 1 and 2. Set", + "type": "text" + }, + { + "bbox": [ + 459, + 229, + 491, + 239 + ], + "score": 0.88, + "content": "W 1", + "type": "inline_equation" + }, + { + "bbox": [ + 491, + 227, + 495, + 242 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 7 + } + ], + "index": 7 + }, + { + "type": "text", + "bbox": [ + 107, + 243, + 421, + 256 + ], + "lines": [ + { + "bbox": [ + 104, + 241, + 421, + 257 + ], + "spans": [ + { + "bbox": [ + 104, + 241, + 206, + 257 + ], + "score": 1.0, + "content": "Proposition 5. We have", + "type": "text" + }, + { + "bbox": [ + 207, + 243, + 242, + 254 + ], + "score": 0.9, + "content": "W \\lambda > 1", + "type": "inline_equation" + }, + { + "bbox": [ + 243, + 241, + 261, + 257 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 261, + 243, + 355, + 255 + ], + "score": 0.91, + "content": "d _ { \\mathcal { M } } ( f _ { l } ( X ) ) < d _ { \\mathcal { M } } ( X )", + "type": "inline_equation" + }, + { + "bbox": [ + 356, + 241, + 383, + 257 + ], + "score": 1.0, + "content": "for all", + "type": "text" + }, + { + "bbox": [ + 383, + 243, + 417, + 254 + ], + "score": 0.9, + "content": "X \\in \\mathbb { R } ^ { 2 }", + "type": "inline_equation" + }, + { + "bbox": [ + 417, + 241, + 421, + 257 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 8 + } + ], + "index": 8 + }, + { + "type": "text", + "bbox": [ + 106, + 267, + 505, + 307 + ], + "lines": [ + { + "bbox": [ + 104, + 267, + 506, + 285 + ], + "spans": [ + { + "bbox": [ + 104, + 267, + 197, + 285 + ], + "score": 1.0, + "content": "Proof. First, note that", + "type": "text" + }, + { + "bbox": [ + 198, + 267, + 277, + 285 + ], + "score": 0.9, + "content": "\\begin{array} { r } { e ^ { \\prime } : = \\frac { 1 } { \\sqrt { 2 } } \\left[ { \\begin{array} { l l } { 1 } & { - 1 } \\end{array} } \\right] ^ { \\top } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 277, + 267, + 363, + 285 + ], + "score": 1.0, + "content": "is the eigenvector of", + "type": "text" + }, + { + "bbox": [ + 363, + 271, + 372, + 280 + ], + "score": 0.84, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 372, + 267, + 427, + 285 + ], + "score": 1.0, + "content": "associated to", + "type": "text" + }, + { + "bbox": [ + 428, + 270, + 483, + 281 + ], + "score": 0.9, + "content": "\\lambda \\colon P e ^ { \\prime } = \\lambda e ^ { \\prime }", + "type": "inline_equation" + }, + { + "bbox": [ + 484, + 267, + 506, + 285 + ], + "score": 1.0, + "content": ". For", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 106, + 282, + 505, + 298 + ], + "spans": [ + { + "bbox": [ + 106, + 284, + 205, + 296 + ], + "score": 0.86, + "content": "X = a e + b e ^ { \\prime } \\left( a , b { \\dot { \\omega } } 0 \\right)", + "type": "inline_equation" + }, + { + "bbox": [ + 205, + 282, + 296, + 298 + ], + "score": 1.0, + "content": ", the distance between", + "type": "text" + }, + { + "bbox": [ + 297, + 284, + 307, + 294 + ], + "score": 0.83, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 307, + 282, + 326, + 298 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 326, + 284, + 339, + 294 + ], + "score": 0.83, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 339, + 282, + 350, + 298 + ], + "score": 1.0, + "content": "is", + "type": "text" + }, + { + "bbox": [ + 351, + 284, + 408, + 296 + ], + "score": 0.93, + "content": "d _ { \\mathcal { M } } ( \\boldsymbol { X } ) = | b |", + "type": "inline_equation" + }, + { + "bbox": [ + 408, + 282, + 505, + 298 + ], + "score": 1.0, + "content": ". On the other hand, by", + "type": "text" + } + ], + "index": 10 + }, + { + "bbox": [ + 106, + 295, + 222, + 307 + ], + "spans": [ + { + "bbox": [ + 106, + 295, + 222, + 307 + ], + "score": 1.0, + "content": "direct computation, we have", + "type": "text" + } + ], + "index": 11 + } + ], + "index": 10 + }, + { + "type": "interline_equation", + "bbox": [ + 204, + 311, + 406, + 357 + ], + "lines": [ + { + "bbox": [ + 204, + 311, + 406, + 357 + ], + "spans": [ + { + "bbox": [ + 204, + 311, + 406, + 357 + ], + "score": 0.94, + "content": "f ( X ) = \\sigma ( P X W ) = { \\left\\{ \\begin{array} { l l } { \\left[ 0 \\quad { \\frac { \\lambda b } { \\sqrt { 2 } } } \\right] ^ { \\top } } & { { \\mathrm { ( i f ~ } } b \\geq 0 { \\mathrm { ) } } , } \\\\ { \\left[ { \\frac { - \\lambda b } { \\sqrt { 2 } } } \\quad 0 \\right] ^ { \\top } } & { { \\mathrm { ( i f ~ } } b < 0 { \\mathrm { ) } } . } \\end{array} \\right. }", + "type": "interline_equation", + "image_path": "a159a4cc7dd5ac398b3cff74136fefb345275fef911e7b7089e5ae12ee2d25ab.jpg" + } + ] + } + ], + "index": 13, + "virtual_lines": [ + { + "bbox": [ + 204, + 311, + 406, + 326.3333333333333 + ], + "spans": [], + "index": 12 + }, + { + "bbox": [ + 204, + 326.3333333333333, + 406, + 341.66666666666663 + ], + "spans": [], + "index": 13 + }, + { + "bbox": [ + 204, + 341.66666666666663, + 406, + 356.99999999999994 + ], + "spans": [], + "index": 14 + } + ] + }, + { + "type": "text", + "bbox": [ + 107, + 361, + 504, + 385 + ], + "lines": [ + { + "bbox": [ + 106, + 361, + 505, + 374 + ], + "spans": [ + { + "bbox": [ + 106, + 361, + 241, + 374 + ], + "score": 1.0, + "content": "Therefore, the distance between", + "type": "text" + }, + { + "bbox": [ + 241, + 362, + 265, + 373 + ], + "score": 0.9, + "content": "f ( X )", + "type": "inline_equation" + }, + { + "bbox": [ + 265, + 361, + 285, + 374 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 285, + 362, + 299, + 372 + ], + "score": 0.84, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 299, + 361, + 311, + 374 + ], + "score": 1.0, + "content": "is", + "type": "text" + }, + { + "bbox": [ + 312, + 361, + 401, + 374 + ], + "score": 0.93, + "content": "d _ { \\mathcal { M } } ( f ( X ) ) = \\lambda | b | / 2", + "type": "inline_equation" + }, + { + "bbox": [ + 401, + 361, + 434, + 374 + ], + "score": 1.0, + "content": ". Since", + "type": "text" + }, + { + "bbox": [ + 434, + 362, + 464, + 372 + ], + "score": 0.88, + "content": "\\lambda \\ : < \\ : 2", + "type": "inline_equation" + }, + { + "bbox": [ + 464, + 361, + 505, + 374 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + } + ], + "index": 15 + }, + { + "bbox": [ + 107, + 372, + 504, + 385 + ], + "spans": [ + { + "bbox": [ + 107, + 373, + 198, + 385 + ], + "score": 0.92, + "content": "d _ { \\mathcal { M } } ( f ( X ) ) < d _ { \\mathcal { M } } ( X )", + "type": "inline_equation" + }, + { + "bbox": [ + 199, + 372, + 230, + 385 + ], + "score": 1.0, + "content": "for any", + "type": "text" + }, + { + "bbox": [ + 231, + 373, + 264, + 383 + ], + "score": 0.9, + "content": "X \\in \\mathbb { R } ^ { 2 }", + "type": "inline_equation" + }, + { + "bbox": [ + 264, + 372, + 269, + 385 + ], + "score": 1.0, + "content": ".", + "type": "text" + }, + { + "bbox": [ + 496, + 375, + 504, + 382 + ], + "score": 0.999, + "content": "□", + "type": "text" + } + ], + "index": 16 + } + ], + "index": 15.5 + }, + { + "type": "text", + "bbox": [ + 106, + 396, + 505, + 419 + ], + "lines": [ + { + "bbox": [ + 105, + 395, + 506, + 410 + ], + "spans": [ + { + "bbox": [ + 105, + 395, + 275, + 410 + ], + "score": 1.0, + "content": "We have shown that the non-negativity of", + "type": "text" + }, + { + "bbox": [ + 276, + 399, + 281, + 406 + ], + "score": 0.73, + "content": "e", + "type": "inline_equation" + }, + { + "bbox": [ + 281, + 395, + 506, + 410 + ], + "score": 1.0, + "content": "(Assumption 1) is not a redundant condition in Section", + "type": "text" + } + ], + "index": 17 + }, + { + "bbox": [ + 104, + 406, + 126, + 421 + ], + "spans": [ + { + "bbox": [ + 104, + 406, + 126, + 421 + ], + "score": 1.0, + "content": "6.1.", + "type": "text" + } + ], + "index": 18 + } + ], + "index": 17.5 + }, + { + "type": "title", + "bbox": [ + 107, + 435, + 297, + 448 + ], + "lines": [ + { + "bbox": [ + 105, + 434, + 298, + 450 + ], + "spans": [ + { + "bbox": [ + 105, + 434, + 298, + 450 + ], + "score": 1.0, + "content": "F RELATION TO MARKOV PROCESS", + "type": "text" + } + ], + "index": 19 + } + ], + "index": 19 + }, + { + "type": "text", + "bbox": [ + 106, + 460, + 505, + 493 + ], + "lines": [ + { + "bbox": [ + 104, + 459, + 505, + 473 + ], + "spans": [ + { + "bbox": [ + 104, + 459, + 505, + 473 + ], + "score": 1.0, + "content": "It is known that any Markov process on finite states converges to a unique distribution (equilibrium)", + "type": "text" + } + ], + "index": 20 + }, + { + "bbox": [ + 105, + 470, + 505, + 484 + ], + "spans": [ + { + "bbox": [ + 105, + 470, + 505, + 484 + ], + "score": 1.0, + "content": "if it is irreducible and aperiodic (see, e.g., Norris (1998)). As we see in this section, this theorem is", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 106, + 482, + 232, + 495 + ], + "spans": [ + { + "bbox": [ + 106, + 482, + 232, + 495 + ], + "score": 1.0, + "content": "the special case of Corollary 3.", + "type": "text" + } + ], + "index": 22 + } + ], + "index": 21 + }, + { + "type": "text", + "bbox": [ + 106, + 498, + 505, + 576 + ], + "lines": [ + { + "bbox": [ + 104, + 497, + 506, + 512 + ], + "spans": [ + { + "bbox": [ + 104, + 497, + 122, + 512 + ], + "score": 1.0, + "content": "Let", + "type": "text" + }, + { + "bbox": [ + 122, + 498, + 192, + 511 + ], + "score": 0.93, + "content": "S : = \\{ 1 , \\ldots , N \\}", + "type": "inline_equation" + }, + { + "bbox": [ + 192, + 497, + 440, + 512 + ], + "score": 1.0, + "content": "be a finite discrete state space. Consider a Markov process on", + "type": "text" + }, + { + "bbox": [ + 441, + 500, + 448, + 509 + ], + "score": 0.82, + "content": "S", + "type": "inline_equation" + }, + { + "bbox": [ + 449, + 497, + 506, + 512 + ], + "score": 1.0, + "content": "characterized", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 102, + 508, + 507, + 524 + ], + "spans": [ + { + "bbox": [ + 102, + 508, + 240, + 524 + ], + "score": 1.0, + "content": "by a symmetric transition matrix", + "type": "text" + }, + { + "bbox": [ + 240, + 510, + 348, + 523 + ], + "score": 0.92, + "content": "P = ( p _ { i j } ) _ { i , j \\in [ N ] } \\in \\mathbb { R } ^ { N \\times N }", + "type": "inline_equation" + }, + { + "bbox": [ + 349, + 508, + 388, + 524 + ], + "score": 1.0, + "content": "such that", + "type": "text" + }, + { + "bbox": [ + 389, + 510, + 416, + 521 + ], + "score": 0.91, + "content": "P \\geq 0", + "type": "inline_equation" + }, + { + "bbox": [ + 417, + 508, + 434, + 524 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 434, + 510, + 468, + 520 + ], + "score": 0.91, + "content": "P \\mathbf { 1 } = \\mathbf { 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 469, + 508, + 507, + 524 + ], + "score": 1.0, + "content": "where 1", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 104, + 520, + 506, + 534 + ], + "spans": [ + { + "bbox": [ + 104, + 520, + 244, + 534 + ], + "score": 1.0, + "content": "is the all-one vector. We interpret", + "type": "text" + }, + { + "bbox": [ + 244, + 523, + 258, + 533 + ], + "score": 0.86, + "content": "p _ { i j }", + "type": "inline_equation" + }, + { + "bbox": [ + 258, + 520, + 423, + 534 + ], + "score": 1.0, + "content": "as the transition probability from a state", + "type": "text" + }, + { + "bbox": [ + 423, + 522, + 428, + 531 + ], + "score": 0.71, + "content": "i", + "type": "inline_equation" + }, + { + "bbox": [ + 428, + 520, + 439, + 534 + ], + "score": 1.0, + "content": "to", + "type": "text" + }, + { + "bbox": [ + 439, + 522, + 446, + 532 + ], + "score": 0.79, + "content": "j", + "type": "inline_equation" + }, + { + "bbox": [ + 446, + 520, + 506, + 534 + ], + "score": 1.0, + "content": ". We associate", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 107, + 531, + 504, + 545 + ], + "spans": [ + { + "bbox": [ + 107, + 532, + 116, + 542 + ], + "score": 0.8, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 116, + 531, + 172, + 545 + ], + "score": 1.0, + "content": "with a graph", + "type": "text" + }, + { + "bbox": [ + 172, + 532, + 242, + 544 + ], + "score": 0.93, + "content": "G _ { P } = ( V _ { P } , E _ { P } )", + "type": "inline_equation" + }, + { + "bbox": [ + 242, + 531, + 257, + 545 + ], + "score": 1.0, + "content": "by", + "type": "text" + }, + { + "bbox": [ + 257, + 532, + 301, + 544 + ], + "score": 0.92, + "content": "V _ { P } = [ N ]", + "type": "inline_equation" + }, + { + "bbox": [ + 301, + 531, + 321, + 545 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 321, + 532, + 370, + 544 + ], + "score": 0.92, + "content": "( i , j ) \\in E _ { P }", + "type": "inline_equation" + }, + { + "bbox": [ + 370, + 531, + 429, + 545 + ], + "score": 1.0, + "content": "if and only if", + "type": "text" + }, + { + "bbox": [ + 429, + 533, + 463, + 544 + ], + "score": 0.92, + "content": "p _ { i j } > 0", + "type": "inline_equation" + }, + { + "bbox": [ + 463, + 531, + 495, + 545 + ], + "score": 1.0, + "content": ". Since", + "type": "text" + }, + { + "bbox": [ + 495, + 532, + 504, + 542 + ], + "score": 0.81, + "content": "P", + "type": "inline_equation" + } + ], + "index": 26 + }, + { + "bbox": [ + 105, + 542, + 505, + 555 + ], + "spans": [ + { + "bbox": [ + 105, + 542, + 221, + 555 + ], + "score": 1.0, + "content": "is symmetric, we can regard", + "type": "text" + }, + { + "bbox": [ + 222, + 543, + 237, + 554 + ], + "score": 0.87, + "content": "G _ { P }", + "type": "inline_equation" + }, + { + "bbox": [ + 237, + 542, + 383, + 555 + ], + "score": 1.0, + "content": "as an undirected graph. We assume", + "type": "text" + }, + { + "bbox": [ + 383, + 543, + 392, + 553 + ], + "score": 0.84, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 392, + 542, + 505, + 555 + ], + "score": 1.0, + "content": "is irreducible and aperiodic", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 104, + 550, + 507, + 569 + ], + "spans": [ + { + "bbox": [ + 104, + 550, + 392, + 569 + ], + "score": 1.0, + "content": "10. Perron – Frobenius’ theorem (see, e.g., Meyer (2000)) implies that", + "type": "text" + }, + { + "bbox": [ + 392, + 554, + 401, + 564 + ], + "score": 0.84, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 401, + 550, + 507, + 569 + ], + "score": 1.0, + "content": "satisfy the assumption of", + "type": "text" + } + ], + "index": 28 + }, + { + "bbox": [ + 106, + 564, + 210, + 578 + ], + "spans": [ + { + "bbox": [ + 106, + 564, + 174, + 578 + ], + "score": 1.0, + "content": "Corollary 3 with", + "type": "text" + }, + { + "bbox": [ + 175, + 565, + 205, + 575 + ], + "score": 0.9, + "content": "M = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 205, + 564, + 210, + 578 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 29 + } + ], + "index": 26 + }, + { + "type": "text", + "bbox": [ + 107, + 579, + 505, + 613 + ], + "lines": [ + { + "bbox": [ + 105, + 578, + 505, + 592 + ], + "spans": [ + { + "bbox": [ + 105, + 578, + 349, + 592 + ], + "score": 1.0, + "content": "Proposition 6 (Perron – Frobenius). Let the eigenvalues of", + "type": "text" + }, + { + "bbox": [ + 349, + 580, + 358, + 590 + ], + "score": 0.75, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 359, + 578, + 372, + 592 + ], + "score": 1.0, + "content": "be", + "type": "text" + }, + { + "bbox": [ + 372, + 580, + 438, + 591 + ], + "score": 0.88, + "content": "\\lambda _ { 1 } \\leq \\cdots \\leq \\lambda _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 438, + 578, + 505, + 592 + ], + "score": 1.0, + "content": ". Then, we have", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 107, + 590, + 505, + 603 + ], + "spans": [ + { + "bbox": [ + 107, + 591, + 145, + 602 + ], + "score": 0.67, + "content": "- 1 < \\lambda _ { 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 146, + 590, + 150, + 603 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 150, + 591, + 195, + 603 + ], + "score": 0.66, + "content": "\\lambda _ { N - 1 } < 1", + "type": "inline_equation" + }, + { + "bbox": [ + 195, + 590, + 217, + 603 + ], + "score": 1.0, + "content": ", and", + "type": "text" + }, + { + "bbox": [ + 217, + 591, + 252, + 602 + ], + "score": 0.91, + "content": "\\lambda _ { N } = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 252, + 590, + 399, + 603 + ], + "score": 1.0, + "content": ". Further, there exists unique vector", + "type": "text" + }, + { + "bbox": [ + 399, + 591, + 434, + 601 + ], + "score": 0.91, + "content": "e \\in \\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 434, + 590, + 475, + 603 + ], + "score": 1.0, + "content": "such that", + "type": "text" + }, + { + "bbox": [ + 475, + 591, + 501, + 602 + ], + "score": 0.88, + "content": "e \\geq 0", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 590, + 505, + 603 + ], + "score": 1.0, + "content": ",", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 107, + 601, + 325, + 615 + ], + "spans": [ + { + "bbox": [ + 107, + 602, + 140, + 614 + ], + "score": 0.91, + "content": "\\| e \\| = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 140, + 601, + 162, + 615 + ], + "score": 1.0, + "content": ", and", + "type": "text" + }, + { + "bbox": [ + 162, + 604, + 168, + 612 + ], + "score": 0.46, + "content": "e", + "type": "inline_equation" + }, + { + "bbox": [ + 168, + 601, + 325, + 615 + ], + "score": 1.0, + "content": "is the eigenvector for the eivenvalue 1.", + "type": "text" + } + ], + "index": 32 + } + ], + "index": 31 + }, + { + "type": "text", + "bbox": [ + 104, + 615, + 503, + 640 + ], + "lines": [ + { + "bbox": [ + 105, + 614, + 505, + 630 + ], + "spans": [ + { + "bbox": [ + 105, + 614, + 178, + 630 + ], + "score": 1.0, + "content": "Corollary 5. Let", + "type": "text" + }, + { + "bbox": [ + 179, + 616, + 307, + 628 + ], + "score": 0.9, + "content": "\\begin{array} { r } { \\lambda : = \\operatorname* { m a x } _ { n = 1 , \\ldots , N - 1 } | \\lambda _ { n } | ( < 1 ) } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 308, + 614, + 327, + 630 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 327, + 615, + 434, + 628 + ], + "score": 0.9, + "content": "\\mathcal { M } : = \\{ e \\otimes w \\ | \\ w \\in \\mathbb { R } ^ { C } \\}", + "type": "inline_equation" + }, + { + "bbox": [ + 434, + 614, + 448, + 630 + ], + "score": 1.0, + "content": ". If", + "type": "text" + }, + { + "bbox": [ + 448, + 617, + 479, + 628 + ], + "score": 0.83, + "content": "s \\lambda < 1", + "type": "inline_equation" + }, + { + "bbox": [ + 479, + 614, + 505, + 630 + ], + "score": 1.0, + "content": ", then,", + "type": "text" + } + ], + "index": 33 + }, + { + "bbox": [ + 104, + 627, + 381, + 640 + ], + "spans": [ + { + "bbox": [ + 104, + 627, + 186, + 640 + ], + "score": 1.0, + "content": "for any initial value", + "type": "text" + }, + { + "bbox": [ + 186, + 628, + 199, + 639 + ], + "score": 0.8, + "content": "X _ { 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 199, + 627, + 203, + 640 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 203, + 628, + 216, + 639 + ], + "score": 0.81, + "content": "X _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 216, + 627, + 321, + 640 + ], + "score": 1.0, + "content": "exponentially approaches", + "type": "text" + }, + { + "bbox": [ + 322, + 628, + 334, + 637 + ], + "score": 0.58, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 335, + 627, + 347, + 640 + ], + "score": 1.0, + "content": "as", + "type": "text" + }, + { + "bbox": [ + 347, + 629, + 376, + 637 + ], + "score": 0.8, + "content": "l \\infty", + "type": "inline_equation" + }, + { + "bbox": [ + 377, + 627, + 381, + 640 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 34 + } + ], + "index": 33.5 + }, + { + "type": "text", + "bbox": [ + 106, + 648, + 505, + 694 + ], + "lines": [ + { + "bbox": [ + 104, + 646, + 505, + 661 + ], + "spans": [ + { + "bbox": [ + 104, + 646, + 145, + 661 + ], + "score": 1.0, + "content": "If we set", + "type": "text" + }, + { + "bbox": [ + 145, + 648, + 175, + 658 + ], + "score": 0.9, + "content": "C = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 175, + 646, + 194, + 661 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 194, + 648, + 228, + 659 + ], + "score": 0.92, + "content": "W _ { l } = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 228, + 646, + 258, + 661 + ], + "score": 1.0, + "content": "for all", + "type": "text" + }, + { + "bbox": [ + 258, + 648, + 290, + 660 + ], + "score": 0.91, + "content": "l \\in \\mathbb { N } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 290, + 646, + 438, + 661 + ], + "score": 1.0, + "content": ", then, we can inductively show that", + "type": "text" + }, + { + "bbox": [ + 439, + 648, + 472, + 659 + ], + "score": 0.91, + "content": "X _ { l } \\geq 0", + "type": "inline_equation" + }, + { + "bbox": [ + 472, + 646, + 505, + 661 + ], + "score": 1.0, + "content": "for any", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 106, + 659, + 505, + 671 + ], + "spans": [ + { + "bbox": [ + 106, + 659, + 131, + 670 + ], + "score": 0.9, + "content": "l \\geq 2", + "type": "inline_equation" + }, + { + "bbox": [ + 131, + 659, + 249, + 671 + ], + "score": 1.0, + "content": ". Therefore, we can interpret", + "type": "text" + }, + { + "bbox": [ + 250, + 660, + 262, + 670 + ], + "score": 0.86, + "content": "X _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 262, + 659, + 331, + 671 + ], + "score": 1.0, + "content": "as a measure on", + "type": "text" + }, + { + "bbox": [ + 332, + 660, + 339, + 669 + ], + "score": 0.79, + "content": "S", + "type": "inline_equation" + }, + { + "bbox": [ + 340, + 659, + 505, + 671 + ], + "score": 1.0, + "content": ". Suppose further that we take the initial", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 105, + 669, + 505, + 683 + ], + "spans": [ + { + "bbox": [ + 105, + 669, + 131, + 683 + ], + "score": 1.0, + "content": "value", + "type": "text" + }, + { + "bbox": [ + 131, + 671, + 145, + 681 + ], + "score": 0.89, + "content": "X _ { 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 145, + 669, + 159, + 683 + ], + "score": 1.0, + "content": "as", + "type": "text" + }, + { + "bbox": [ + 159, + 670, + 195, + 681 + ], + "score": 0.92, + "content": "X _ { 1 } ~ \\geq ~ 0", + "type": "inline_equation" + }, + { + "bbox": [ + 195, + 669, + 214, + 683 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 214, + 669, + 259, + 682 + ], + "score": 0.91, + "content": "X _ { 1 } ^ { \\top } \\mathbf { \\hat { 1 } } = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 259, + 669, + 361, + 683 + ], + "score": 1.0, + "content": "so that we can interpret", + "type": "text" + }, + { + "bbox": [ + 361, + 671, + 375, + 681 + ], + "score": 0.88, + "content": "X _ { 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 375, + 669, + 505, + 683 + ], + "score": 1.0, + "content": "as a probability distribution on", + "type": "text" + } + ], + "index": 37 + }, + { + "bbox": [ + 106, + 680, + 505, + 695 + ], + "spans": [ + { + "bbox": [ + 106, + 682, + 114, + 691 + ], + "score": 0.79, + "content": "S", + "type": "inline_equation" + }, + { + "bbox": [ + 115, + 680, + 265, + 695 + ], + "score": 1.0, + "content": ". Then, we can inductively show that", + "type": "text" + }, + { + "bbox": [ + 266, + 681, + 298, + 693 + ], + "score": 0.87, + "content": "X _ { l } \\geq 0", + "type": "inline_equation" + }, + { + "bbox": [ + 298, + 680, + 301, + 695 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 302, + 680, + 344, + 694 + ], + "score": 0.89, + "content": "X _ { l } ^ { \\top } \\mathbf { 1 } = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 344, + 680, + 366, + 695 + ], + "score": 1.0, + "content": "(i.e.,", + "type": "text" + }, + { + "bbox": [ + 366, + 682, + 379, + 692 + ], + "score": 0.89, + "content": "X _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 379, + 680, + 505, + 695 + ], + "score": 1.0, + "content": "is a probability distribution on", + "type": "text" + } + ], + "index": 38 + } + ], + "index": 36.5 + } + ], + "page_idx": 21, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 106, + 701, + 505, + 732 + ], + "lines": [ + { + "bbox": [ + 114, + 697, + 506, + 716 + ], + "spans": [ + { + "bbox": [ + 114, + 697, + 197, + 716 + ], + "score": 1.0, + "content": "10A symmetric matrix", + "type": "text" + }, + { + "bbox": [ + 197, + 702, + 205, + 711 + ], + "score": 0.76, + "content": "A", + "type": "inline_equation" + }, + { + "bbox": [ + 206, + 697, + 328, + 716 + ], + "score": 1.0, + "content": "is called irreducible if and only if", + "type": "text" + }, + { + "bbox": [ + 329, + 702, + 343, + 711 + ], + "score": 0.89, + "content": "G _ { A }", + "type": "inline_equation" + }, + { + "bbox": [ + 343, + 697, + 450, + 716 + ], + "score": 1.0, + "content": "is connected. We say a graph", + "type": "text" + }, + { + "bbox": [ + 451, + 702, + 459, + 711 + ], + "score": 0.81, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 459, + 697, + 506, + 716 + ], + "score": 1.0, + "content": "is aperiodic", + "type": "text" + } + ] + }, + { + "bbox": [ + 104, + 710, + 505, + 724 + ], + "spans": [ + { + "bbox": [ + 104, + 710, + 305, + 724 + ], + "score": 1.0, + "content": "if the greatest common divisor of length of all loops in", + "type": "text" + }, + { + "bbox": [ + 306, + 712, + 314, + 721 + ], + "score": 0.83, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 314, + 710, + 408, + 724 + ], + "score": 1.0, + "content": "is 1. A symmetric matrix", + "type": "text" + }, + { + "bbox": [ + 408, + 712, + 416, + 720 + ], + "score": 0.81, + "content": "A", + "type": "inline_equation" + }, + { + "bbox": [ + 416, + 710, + 505, + 724 + ], + "score": 1.0, + "content": "is aperiodic if the graph", + "type": "text" + } + ] + }, + { + "bbox": [ + 106, + 721, + 219, + 732 + ], + "spans": [ + { + "bbox": [ + 106, + 721, + 121, + 731 + ], + "score": 0.87, + "content": "G _ { A }", + "type": "inline_equation" + }, + { + "bbox": [ + 121, + 721, + 164, + 732 + ], + "score": 1.0, + "content": "induced by", + "type": "text" + }, + { + "bbox": [ + 164, + 722, + 172, + 730 + ], + "score": 0.8, + "content": "A", + "type": "inline_equation" + }, + { + "bbox": [ + 172, + 721, + 219, + 732 + ], + "score": 1.0, + "content": "is aperiodic.", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 107, + 26, + 294, + 38 + ], + "lines": [ + { + "bbox": [ + 106, + 25, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 25, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 300, + 751, + 311, + 760 + ], + "lines": [ + { + "bbox": [ + 298, + 750, + 313, + 765 + ], + "spans": [ + { + "bbox": [ + 298, + 750, + 313, + 765 + ], + "score": 1.0, + "content": "", + "type": "text", + "height": 15, + "width": 15 + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "text", + "bbox": [ + 106, + 105, + 505, + 146 + ], + "lines": [ + { + "bbox": [ + 106, + 105, + 506, + 120 + ], + "spans": [ + { + "bbox": [ + 106, + 105, + 232, + 120 + ], + "score": 1.0, + "content": "Proof. By definition, we have", + "type": "text" + }, + { + "bbox": [ + 233, + 106, + 298, + 119 + ], + "score": 0.93, + "content": "d _ { \\mathcal { M } } ( X ) = | x _ { 2 } |", + "type": "inline_equation" + }, + { + "bbox": [ + 298, + 105, + 506, + 120 + ], + "score": 1.0, + "content": ". On the other hand, direct calculation shows that", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 107, + 119, + 506, + 134 + ], + "spans": [ + { + "bbox": [ + 107, + 119, + 260, + 134 + ], + "score": 0.86, + "content": "f _ { l } ( X ) = \\left[ ( W \\mu X _ { 1 } ) ^ { + } \\quad ( W \\lambda X _ { 2 } ) ^ { + } \\right] ^ { \\top }", + "type": "inline_equation" + }, + { + "bbox": [ + 260, + 119, + 279, + 134 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 280, + 120, + 387, + 133 + ], + "score": 0.91, + "content": "d _ { \\mathcal { M } } ( f _ { l } ( X ) ) = ( W \\lambda X _ { 2 } ) ^ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 387, + 119, + 416, + 134 + ], + "score": 1.0, + "content": "where", + "type": "text" + }, + { + "bbox": [ + 416, + 120, + 489, + 133 + ], + "score": 0.91, + "content": "x ^ { + } : = \\operatorname* { m a x } ( x , 0 )", + "type": "inline_equation" + }, + { + "bbox": [ + 489, + 119, + 506, + 134 + ], + "score": 1.0, + "content": "for", + "type": "text" + } + ], + "index": 1 + }, + { + "bbox": [ + 107, + 132, + 506, + 147 + ], + "spans": [ + { + "bbox": [ + 107, + 134, + 132, + 144 + ], + "score": 0.87, + "content": "x \\in \\mathbb { R }", + "type": "inline_equation" + }, + { + "bbox": [ + 133, + 132, + 162, + 147 + ], + "score": 1.0, + "content": ". Since", + "type": "text" + }, + { + "bbox": [ + 162, + 133, + 203, + 144 + ], + "score": 0.89, + "content": "W > \\lambda ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 204, + 132, + 221, + 147 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 222, + 135, + 251, + 145 + ], + "score": 0.89, + "content": "x _ { 2 } > 0", + "type": "inline_equation" + }, + { + "bbox": [ + 252, + 132, + 290, + 147 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + }, + { + "bbox": [ + 290, + 134, + 384, + 146 + ], + "score": 0.91, + "content": "d _ { \\mathcal { M } } ( f _ { l } ( X ) ) > d _ { \\mathcal { M } } ( X )", + "type": "inline_equation" + }, + { + "bbox": [ + 385, + 132, + 389, + 147 + ], + "score": 1.0, + "content": ".", + "type": "text" + }, + { + "bbox": [ + 494, + 134, + 506, + 145 + ], + "score": 0.999, + "content": "□", + "type": "text" + } + ], + "index": 2 + } + ], + "index": 1, + "bbox_fs": [ + 106, + 105, + 506, + 147 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 157, + 506, + 191 + ], + "lines": [ + { + "bbox": [ + 106, + 157, + 505, + 169 + ], + "spans": [ + { + "bbox": [ + 106, + 157, + 505, + 169 + ], + "score": 1.0, + "content": "Next, we prove the non-strictness of Theorem 1 in the sense that there exists a situation in which", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 107, + 168, + 506, + 181 + ], + "spans": [ + { + "bbox": [ + 107, + 169, + 140, + 180 + ], + "score": 0.9, + "content": "s _ { l } \\lambda > 1", + "type": "inline_equation" + }, + { + "bbox": [ + 141, + 168, + 234, + 181 + ], + "score": 1.0, + "content": "holds and the distance", + "type": "text" + }, + { + "bbox": [ + 234, + 169, + 250, + 180 + ], + "score": 0.9, + "content": "d _ { \\mathcal { M } }", + "type": "inline_equation" + }, + { + "bbox": [ + 250, + 168, + 348, + 181 + ], + "score": 1.0, + "content": "uniformly decreases by", + "type": "text" + }, + { + "bbox": [ + 348, + 169, + 357, + 180 + ], + "score": 0.84, + "content": "f _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 357, + 168, + 435, + 181 + ], + "score": 1.0, + "content": ". Again, we set Set", + "type": "text" + }, + { + "bbox": [ + 435, + 169, + 467, + 179 + ], + "score": 0.85, + "content": "N \\gets 2", + "type": "inline_equation" + }, + { + "bbox": [ + 467, + 168, + 470, + 181 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 471, + 169, + 501, + 179 + ], + "score": 0.83, + "content": "C \\gets 1", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 168, + 506, + 181 + ], + "score": 1.0, + "content": ",", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 106, + 180, + 249, + 191 + ], + "spans": [ + { + "bbox": [ + 106, + 180, + 123, + 191 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 124, + 180, + 156, + 190 + ], + "score": 0.89, + "content": "M \\gets 1", + "type": "inline_equation" + }, + { + "bbox": [ + 156, + 180, + 176, + 191 + ], + "score": 1.0, + "content": ". Let", + "type": "text" + }, + { + "bbox": [ + 176, + 180, + 217, + 191 + ], + "score": 0.93, + "content": "\\lambda \\in ( 1 , 2 )", + "type": "inline_equation" + }, + { + "bbox": [ + 217, + 180, + 249, + 191 + ], + "score": 1.0, + "content": "and set", + "type": "text" + } + ], + "index": 5 + } + ], + "index": 4, + "bbox_fs": [ + 106, + 157, + 506, + 191 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 188, + 196, + 423, + 224 + ], + "lines": [ + { + "bbox": [ + 188, + 196, + 423, + 224 + ], + "spans": [ + { + "bbox": [ + 188, + 196, + 423, + 224 + ], + "score": 0.94, + "content": "P \\frac { \\lambda } { 2 } [ \\begin{array} { c c } { 1 } & { - 1 } \\\\ { - 1 } & { 1 } \\end{array} ] , e \\frac { 1 } { \\sqrt { 2 } } [ \\begin{array} { c } { 1 } \\\\ { 1 } \\end{array} ] , U \\{ [ \\begin{array} { c } { x } \\\\ { y } \\end{array} ] | x = y \\}", + "type": "interline_equation", + "image_path": "087c9606e481a961a37b1e1babb22cba1730aec8a623132d768567bf6bb36c81.jpg" + } + ] + } + ], + "index": 6, + "virtual_lines": [ + { + "bbox": [ + 188, + 196, + 423, + 224 + ], + "spans": [], + "index": 6 + } + ] + }, + { + "type": "text", + "bbox": [ + 105, + 228, + 494, + 240 + ], + "lines": [ + { + "bbox": [ + 106, + 227, + 495, + 242 + ], + "spans": [ + { + "bbox": [ + 106, + 227, + 267, + 242 + ], + "score": 1.0, + "content": "Then, we can directly show that 3-tuple", + "type": "text" + }, + { + "bbox": [ + 267, + 228, + 303, + 241 + ], + "score": 0.93, + "content": "( P , e , U )", + "type": "inline_equation" + }, + { + "bbox": [ + 304, + 227, + 458, + 242 + ], + "score": 1.0, + "content": "satisfies the Assumptions 1 and 2. Set", + "type": "text" + }, + { + "bbox": [ + 459, + 229, + 491, + 239 + ], + "score": 0.88, + "content": "W 1", + "type": "inline_equation" + }, + { + "bbox": [ + 491, + 227, + 495, + 242 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 7 + } + ], + "index": 7, + "bbox_fs": [ + 106, + 227, + 495, + 242 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 243, + 421, + 256 + ], + "lines": [ + { + "bbox": [ + 104, + 241, + 421, + 257 + ], + "spans": [ + { + "bbox": [ + 104, + 241, + 206, + 257 + ], + "score": 1.0, + "content": "Proposition 5. We have", + "type": "text" + }, + { + "bbox": [ + 207, + 243, + 242, + 254 + ], + "score": 0.9, + "content": "W \\lambda > 1", + "type": "inline_equation" + }, + { + "bbox": [ + 243, + 241, + 261, + 257 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 261, + 243, + 355, + 255 + ], + "score": 0.91, + "content": "d _ { \\mathcal { M } } ( f _ { l } ( X ) ) < d _ { \\mathcal { M } } ( X )", + "type": "inline_equation" + }, + { + "bbox": [ + 356, + 241, + 383, + 257 + ], + "score": 1.0, + "content": "for all", + "type": "text" + }, + { + "bbox": [ + 383, + 243, + 417, + 254 + ], + "score": 0.9, + "content": "X \\in \\mathbb { R } ^ { 2 }", + "type": "inline_equation" + }, + { + "bbox": [ + 417, + 241, + 421, + 257 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 8 + } + ], + "index": 8, + "bbox_fs": [ + 104, + 241, + 421, + 257 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 267, + 505, + 307 + ], + "lines": [ + { + "bbox": [ + 104, + 267, + 506, + 285 + ], + "spans": [ + { + "bbox": [ + 104, + 267, + 197, + 285 + ], + "score": 1.0, + "content": "Proof. First, note that", + "type": "text" + }, + { + "bbox": [ + 198, + 267, + 277, + 285 + ], + "score": 0.9, + "content": "\\begin{array} { r } { e ^ { \\prime } : = \\frac { 1 } { \\sqrt { 2 } } \\left[ { \\begin{array} { l l } { 1 } & { - 1 } \\end{array} } \\right] ^ { \\top } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 277, + 267, + 363, + 285 + ], + "score": 1.0, + "content": "is the eigenvector of", + "type": "text" + }, + { + "bbox": [ + 363, + 271, + 372, + 280 + ], + "score": 0.84, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 372, + 267, + 427, + 285 + ], + "score": 1.0, + "content": "associated to", + "type": "text" + }, + { + "bbox": [ + 428, + 270, + 483, + 281 + ], + "score": 0.9, + "content": "\\lambda \\colon P e ^ { \\prime } = \\lambda e ^ { \\prime }", + "type": "inline_equation" + }, + { + "bbox": [ + 484, + 267, + 506, + 285 + ], + "score": 1.0, + "content": ". For", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 106, + 282, + 505, + 298 + ], + "spans": [ + { + "bbox": [ + 106, + 284, + 205, + 296 + ], + "score": 0.86, + "content": "X = a e + b e ^ { \\prime } \\left( a , b { \\dot { \\omega } } 0 \\right)", + "type": "inline_equation" + }, + { + "bbox": [ + 205, + 282, + 296, + 298 + ], + "score": 1.0, + "content": ", the distance between", + "type": "text" + }, + { + "bbox": [ + 297, + 284, + 307, + 294 + ], + "score": 0.83, + "content": "X", + "type": "inline_equation" + }, + { + "bbox": [ + 307, + 282, + 326, + 298 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 326, + 284, + 339, + 294 + ], + "score": 0.83, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 339, + 282, + 350, + 298 + ], + "score": 1.0, + "content": "is", + "type": "text" + }, + { + "bbox": [ + 351, + 284, + 408, + 296 + ], + "score": 0.93, + "content": "d _ { \\mathcal { M } } ( \\boldsymbol { X } ) = | b |", + "type": "inline_equation" + }, + { + "bbox": [ + 408, + 282, + 505, + 298 + ], + "score": 1.0, + "content": ". On the other hand, by", + "type": "text" + } + ], + "index": 10 + }, + { + "bbox": [ + 106, + 295, + 222, + 307 + ], + "spans": [ + { + "bbox": [ + 106, + 295, + 222, + 307 + ], + "score": 1.0, + "content": "direct computation, we have", + "type": "text" + } + ], + "index": 11 + } + ], + "index": 10, + "bbox_fs": [ + 104, + 267, + 506, + 307 + ] + }, + { + "type": "interline_equation", + "bbox": [ + 204, + 311, + 406, + 357 + ], + "lines": [ + { + "bbox": [ + 204, + 311, + 406, + 357 + ], + "spans": [ + { + "bbox": [ + 204, + 311, + 406, + 357 + ], + "score": 0.94, + "content": "f ( X ) = \\sigma ( P X W ) = { \\left\\{ \\begin{array} { l l } { \\left[ 0 \\quad { \\frac { \\lambda b } { \\sqrt { 2 } } } \\right] ^ { \\top } } & { { \\mathrm { ( i f ~ } } b \\geq 0 { \\mathrm { ) } } , } \\\\ { \\left[ { \\frac { - \\lambda b } { \\sqrt { 2 } } } \\quad 0 \\right] ^ { \\top } } & { { \\mathrm { ( i f ~ } } b < 0 { \\mathrm { ) } } . } \\end{array} \\right. }", + "type": "interline_equation", + "image_path": "a159a4cc7dd5ac398b3cff74136fefb345275fef911e7b7089e5ae12ee2d25ab.jpg" + } + ] + } + ], + "index": 13, + "virtual_lines": [ + { + "bbox": [ + 204, + 311, + 406, + 326.3333333333333 + ], + "spans": [], + "index": 12 + }, + { + "bbox": [ + 204, + 326.3333333333333, + 406, + 341.66666666666663 + ], + "spans": [], + "index": 13 + }, + { + "bbox": [ + 204, + 341.66666666666663, + 406, + 356.99999999999994 + ], + "spans": [], + "index": 14 + } + ] + }, + { + "type": "text", + "bbox": [ + 107, + 361, + 504, + 385 + ], + "lines": [ + { + "bbox": [ + 106, + 361, + 505, + 374 + ], + "spans": [ + { + "bbox": [ + 106, + 361, + 241, + 374 + ], + "score": 1.0, + "content": "Therefore, the distance between", + "type": "text" + }, + { + "bbox": [ + 241, + 362, + 265, + 373 + ], + "score": 0.9, + "content": "f ( X )", + "type": "inline_equation" + }, + { + "bbox": [ + 265, + 361, + 285, + 374 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 285, + 362, + 299, + 372 + ], + "score": 0.84, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 299, + 361, + 311, + 374 + ], + "score": 1.0, + "content": "is", + "type": "text" + }, + { + "bbox": [ + 312, + 361, + 401, + 374 + ], + "score": 0.93, + "content": "d _ { \\mathcal { M } } ( f ( X ) ) = \\lambda | b | / 2", + "type": "inline_equation" + }, + { + "bbox": [ + 401, + 361, + 434, + 374 + ], + "score": 1.0, + "content": ". Since", + "type": "text" + }, + { + "bbox": [ + 434, + 362, + 464, + 372 + ], + "score": 0.88, + "content": "\\lambda \\ : < \\ : 2", + "type": "inline_equation" + }, + { + "bbox": [ + 464, + 361, + 505, + 374 + ], + "score": 1.0, + "content": ", we have", + "type": "text" + } + ], + "index": 15 + }, + { + "bbox": [ + 107, + 372, + 504, + 385 + ], + "spans": [ + { + "bbox": [ + 107, + 373, + 198, + 385 + ], + "score": 0.92, + "content": "d _ { \\mathcal { M } } ( f ( X ) ) < d _ { \\mathcal { M } } ( X )", + "type": "inline_equation" + }, + { + "bbox": [ + 199, + 372, + 230, + 385 + ], + "score": 1.0, + "content": "for any", + "type": "text" + }, + { + "bbox": [ + 231, + 373, + 264, + 383 + ], + "score": 0.9, + "content": "X \\in \\mathbb { R } ^ { 2 }", + "type": "inline_equation" + }, + { + "bbox": [ + 264, + 372, + 269, + 385 + ], + "score": 1.0, + "content": ".", + "type": "text" + }, + { + "bbox": [ + 496, + 375, + 504, + 382 + ], + "score": 0.999, + "content": "□", + "type": "text" + } + ], + "index": 16 + } + ], + "index": 15.5, + "bbox_fs": [ + 106, + 361, + 505, + 385 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 396, + 505, + 419 + ], + "lines": [ + { + "bbox": [ + 105, + 395, + 506, + 410 + ], + "spans": [ + { + "bbox": [ + 105, + 395, + 275, + 410 + ], + "score": 1.0, + "content": "We have shown that the non-negativity of", + "type": "text" + }, + { + "bbox": [ + 276, + 399, + 281, + 406 + ], + "score": 0.73, + "content": "e", + "type": "inline_equation" + }, + { + "bbox": [ + 281, + 395, + 506, + 410 + ], + "score": 1.0, + "content": "(Assumption 1) is not a redundant condition in Section", + "type": "text" + } + ], + "index": 17 + }, + { + "bbox": [ + 104, + 406, + 126, + 421 + ], + "spans": [ + { + "bbox": [ + 104, + 406, + 126, + 421 + ], + "score": 1.0, + "content": "6.1.", + "type": "text" + } + ], + "index": 18 + } + ], + "index": 17.5, + "bbox_fs": [ + 104, + 395, + 506, + 421 + ] + }, + { + "type": "title", + "bbox": [ + 107, + 435, + 297, + 448 + ], + "lines": [ + { + "bbox": [ + 105, + 434, + 298, + 450 + ], + "spans": [ + { + "bbox": [ + 105, + 434, + 298, + 450 + ], + "score": 1.0, + "content": "F RELATION TO MARKOV PROCESS", + "type": "text" + } + ], + "index": 19 + } + ], + "index": 19 + }, + { + "type": "text", + "bbox": [ + 106, + 460, + 505, + 493 + ], + "lines": [ + { + "bbox": [ + 104, + 459, + 505, + 473 + ], + "spans": [ + { + "bbox": [ + 104, + 459, + 505, + 473 + ], + "score": 1.0, + "content": "It is known that any Markov process on finite states converges to a unique distribution (equilibrium)", + "type": "text" + } + ], + "index": 20 + }, + { + "bbox": [ + 105, + 470, + 505, + 484 + ], + "spans": [ + { + "bbox": [ + 105, + 470, + 505, + 484 + ], + "score": 1.0, + "content": "if it is irreducible and aperiodic (see, e.g., Norris (1998)). As we see in this section, this theorem is", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 106, + 482, + 232, + 495 + ], + "spans": [ + { + "bbox": [ + 106, + 482, + 232, + 495 + ], + "score": 1.0, + "content": "the special case of Corollary 3.", + "type": "text" + } + ], + "index": 22 + } + ], + "index": 21, + "bbox_fs": [ + 104, + 459, + 505, + 495 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 498, + 505, + 576 + ], + "lines": [ + { + "bbox": [ + 104, + 497, + 506, + 512 + ], + "spans": [ + { + "bbox": [ + 104, + 497, + 122, + 512 + ], + "score": 1.0, + "content": "Let", + "type": "text" + }, + { + "bbox": [ + 122, + 498, + 192, + 511 + ], + "score": 0.93, + "content": "S : = \\{ 1 , \\ldots , N \\}", + "type": "inline_equation" + }, + { + "bbox": [ + 192, + 497, + 440, + 512 + ], + "score": 1.0, + "content": "be a finite discrete state space. Consider a Markov process on", + "type": "text" + }, + { + "bbox": [ + 441, + 500, + 448, + 509 + ], + "score": 0.82, + "content": "S", + "type": "inline_equation" + }, + { + "bbox": [ + 449, + 497, + 506, + 512 + ], + "score": 1.0, + "content": "characterized", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 102, + 508, + 507, + 524 + ], + "spans": [ + { + "bbox": [ + 102, + 508, + 240, + 524 + ], + "score": 1.0, + "content": "by a symmetric transition matrix", + "type": "text" + }, + { + "bbox": [ + 240, + 510, + 348, + 523 + ], + "score": 0.92, + "content": "P = ( p _ { i j } ) _ { i , j \\in [ N ] } \\in \\mathbb { R } ^ { N \\times N }", + "type": "inline_equation" + }, + { + "bbox": [ + 349, + 508, + 388, + 524 + ], + "score": 1.0, + "content": "such that", + "type": "text" + }, + { + "bbox": [ + 389, + 510, + 416, + 521 + ], + "score": 0.91, + "content": "P \\geq 0", + "type": "inline_equation" + }, + { + "bbox": [ + 417, + 508, + 434, + 524 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 434, + 510, + 468, + 520 + ], + "score": 0.91, + "content": "P \\mathbf { 1 } = \\mathbf { 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 469, + 508, + 507, + 524 + ], + "score": 1.0, + "content": "where 1", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 104, + 520, + 506, + 534 + ], + "spans": [ + { + "bbox": [ + 104, + 520, + 244, + 534 + ], + "score": 1.0, + "content": "is the all-one vector. We interpret", + "type": "text" + }, + { + "bbox": [ + 244, + 523, + 258, + 533 + ], + "score": 0.86, + "content": "p _ { i j }", + "type": "inline_equation" + }, + { + "bbox": [ + 258, + 520, + 423, + 534 + ], + "score": 1.0, + "content": "as the transition probability from a state", + "type": "text" + }, + { + "bbox": [ + 423, + 522, + 428, + 531 + ], + "score": 0.71, + "content": "i", + "type": "inline_equation" + }, + { + "bbox": [ + 428, + 520, + 439, + 534 + ], + "score": 1.0, + "content": "to", + "type": "text" + }, + { + "bbox": [ + 439, + 522, + 446, + 532 + ], + "score": 0.79, + "content": "j", + "type": "inline_equation" + }, + { + "bbox": [ + 446, + 520, + 506, + 534 + ], + "score": 1.0, + "content": ". We associate", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 107, + 531, + 504, + 545 + ], + "spans": [ + { + "bbox": [ + 107, + 532, + 116, + 542 + ], + "score": 0.8, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 116, + 531, + 172, + 545 + ], + "score": 1.0, + "content": "with a graph", + "type": "text" + }, + { + "bbox": [ + 172, + 532, + 242, + 544 + ], + "score": 0.93, + "content": "G _ { P } = ( V _ { P } , E _ { P } )", + "type": "inline_equation" + }, + { + "bbox": [ + 242, + 531, + 257, + 545 + ], + "score": 1.0, + "content": "by", + "type": "text" + }, + { + "bbox": [ + 257, + 532, + 301, + 544 + ], + "score": 0.92, + "content": "V _ { P } = [ N ]", + "type": "inline_equation" + }, + { + "bbox": [ + 301, + 531, + 321, + 545 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 321, + 532, + 370, + 544 + ], + "score": 0.92, + "content": "( i , j ) \\in E _ { P }", + "type": "inline_equation" + }, + { + "bbox": [ + 370, + 531, + 429, + 545 + ], + "score": 1.0, + "content": "if and only if", + "type": "text" + }, + { + "bbox": [ + 429, + 533, + 463, + 544 + ], + "score": 0.92, + "content": "p _ { i j } > 0", + "type": "inline_equation" + }, + { + "bbox": [ + 463, + 531, + 495, + 545 + ], + "score": 1.0, + "content": ". Since", + "type": "text" + }, + { + "bbox": [ + 495, + 532, + 504, + 542 + ], + "score": 0.81, + "content": "P", + "type": "inline_equation" + } + ], + "index": 26 + }, + { + "bbox": [ + 105, + 542, + 505, + 555 + ], + "spans": [ + { + "bbox": [ + 105, + 542, + 221, + 555 + ], + "score": 1.0, + "content": "is symmetric, we can regard", + "type": "text" + }, + { + "bbox": [ + 222, + 543, + 237, + 554 + ], + "score": 0.87, + "content": "G _ { P }", + "type": "inline_equation" + }, + { + "bbox": [ + 237, + 542, + 383, + 555 + ], + "score": 1.0, + "content": "as an undirected graph. We assume", + "type": "text" + }, + { + "bbox": [ + 383, + 543, + 392, + 553 + ], + "score": 0.84, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 392, + 542, + 505, + 555 + ], + "score": 1.0, + "content": "is irreducible and aperiodic", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 104, + 550, + 507, + 569 + ], + "spans": [ + { + "bbox": [ + 104, + 550, + 392, + 569 + ], + "score": 1.0, + "content": "10. Perron – Frobenius’ theorem (see, e.g., Meyer (2000)) implies that", + "type": "text" + }, + { + "bbox": [ + 392, + 554, + 401, + 564 + ], + "score": 0.84, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 401, + 550, + 507, + 569 + ], + "score": 1.0, + "content": "satisfy the assumption of", + "type": "text" + } + ], + "index": 28 + }, + { + "bbox": [ + 106, + 564, + 210, + 578 + ], + "spans": [ + { + "bbox": [ + 106, + 564, + 174, + 578 + ], + "score": 1.0, + "content": "Corollary 3 with", + "type": "text" + }, + { + "bbox": [ + 175, + 565, + 205, + 575 + ], + "score": 0.9, + "content": "M = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 205, + 564, + 210, + 578 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 29 + } + ], + "index": 26, + "bbox_fs": [ + 102, + 497, + 507, + 578 + ] + }, + { + "type": "text", + "bbox": [ + 107, + 579, + 505, + 613 + ], + "lines": [ + { + "bbox": [ + 105, + 578, + 505, + 592 + ], + "spans": [ + { + "bbox": [ + 105, + 578, + 349, + 592 + ], + "score": 1.0, + "content": "Proposition 6 (Perron – Frobenius). Let the eigenvalues of", + "type": "text" + }, + { + "bbox": [ + 349, + 580, + 358, + 590 + ], + "score": 0.75, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 359, + 578, + 372, + 592 + ], + "score": 1.0, + "content": "be", + "type": "text" + }, + { + "bbox": [ + 372, + 580, + 438, + 591 + ], + "score": 0.88, + "content": "\\lambda _ { 1 } \\leq \\cdots \\leq \\lambda _ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 438, + 578, + 505, + 592 + ], + "score": 1.0, + "content": ". Then, we have", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 107, + 590, + 505, + 603 + ], + "spans": [ + { + "bbox": [ + 107, + 591, + 145, + 602 + ], + "score": 0.67, + "content": "- 1 < \\lambda _ { 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 146, + 590, + 150, + 603 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 150, + 591, + 195, + 603 + ], + "score": 0.66, + "content": "\\lambda _ { N - 1 } < 1", + "type": "inline_equation" + }, + { + "bbox": [ + 195, + 590, + 217, + 603 + ], + "score": 1.0, + "content": ", and", + "type": "text" + }, + { + "bbox": [ + 217, + 591, + 252, + 602 + ], + "score": 0.91, + "content": "\\lambda _ { N } = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 252, + 590, + 399, + 603 + ], + "score": 1.0, + "content": ". Further, there exists unique vector", + "type": "text" + }, + { + "bbox": [ + 399, + 591, + 434, + 601 + ], + "score": 0.91, + "content": "e \\in \\mathbb { R } ^ { N }", + "type": "inline_equation" + }, + { + "bbox": [ + 434, + 590, + 475, + 603 + ], + "score": 1.0, + "content": "such that", + "type": "text" + }, + { + "bbox": [ + 475, + 591, + 501, + 602 + ], + "score": 0.88, + "content": "e \\geq 0", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 590, + 505, + 603 + ], + "score": 1.0, + "content": ",", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 107, + 601, + 325, + 615 + ], + "spans": [ + { + "bbox": [ + 107, + 602, + 140, + 614 + ], + "score": 0.91, + "content": "\\| e \\| = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 140, + 601, + 162, + 615 + ], + "score": 1.0, + "content": ", and", + "type": "text" + }, + { + "bbox": [ + 162, + 604, + 168, + 612 + ], + "score": 0.46, + "content": "e", + "type": "inline_equation" + }, + { + "bbox": [ + 168, + 601, + 325, + 615 + ], + "score": 1.0, + "content": "is the eigenvector for the eivenvalue 1.", + "type": "text" + } + ], + "index": 32 + } + ], + "index": 31, + "bbox_fs": [ + 105, + 578, + 505, + 615 + ] + }, + { + "type": "text", + "bbox": [ + 104, + 615, + 503, + 640 + ], + "lines": [ + { + "bbox": [ + 105, + 614, + 505, + 630 + ], + "spans": [ + { + "bbox": [ + 105, + 614, + 178, + 630 + ], + "score": 1.0, + "content": "Corollary 5. Let", + "type": "text" + }, + { + "bbox": [ + 179, + 616, + 307, + 628 + ], + "score": 0.9, + "content": "\\begin{array} { r } { \\lambda : = \\operatorname* { m a x } _ { n = 1 , \\ldots , N - 1 } | \\lambda _ { n } | ( < 1 ) } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 308, + 614, + 327, + 630 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 327, + 615, + 434, + 628 + ], + "score": 0.9, + "content": "\\mathcal { M } : = \\{ e \\otimes w \\ | \\ w \\in \\mathbb { R } ^ { C } \\}", + "type": "inline_equation" + }, + { + "bbox": [ + 434, + 614, + 448, + 630 + ], + "score": 1.0, + "content": ". If", + "type": "text" + }, + { + "bbox": [ + 448, + 617, + 479, + 628 + ], + "score": 0.83, + "content": "s \\lambda < 1", + "type": "inline_equation" + }, + { + "bbox": [ + 479, + 614, + 505, + 630 + ], + "score": 1.0, + "content": ", then,", + "type": "text" + } + ], + "index": 33 + }, + { + "bbox": [ + 104, + 627, + 381, + 640 + ], + "spans": [ + { + "bbox": [ + 104, + 627, + 186, + 640 + ], + "score": 1.0, + "content": "for any initial value", + "type": "text" + }, + { + "bbox": [ + 186, + 628, + 199, + 639 + ], + "score": 0.8, + "content": "X _ { 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 199, + 627, + 203, + 640 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 203, + 628, + 216, + 639 + ], + "score": 0.81, + "content": "X _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 216, + 627, + 321, + 640 + ], + "score": 1.0, + "content": "exponentially approaches", + "type": "text" + }, + { + "bbox": [ + 322, + 628, + 334, + 637 + ], + "score": 0.58, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 335, + 627, + 347, + 640 + ], + "score": 1.0, + "content": "as", + "type": "text" + }, + { + "bbox": [ + 347, + 629, + 376, + 637 + ], + "score": 0.8, + "content": "l \\infty", + "type": "inline_equation" + }, + { + "bbox": [ + 377, + 627, + 381, + 640 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 34 + } + ], + "index": 33.5, + "bbox_fs": [ + 104, + 614, + 505, + 640 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 648, + 505, + 694 + ], + "lines": [ + { + "bbox": [ + 104, + 646, + 505, + 661 + ], + "spans": [ + { + "bbox": [ + 104, + 646, + 145, + 661 + ], + "score": 1.0, + "content": "If we set", + "type": "text" + }, + { + "bbox": [ + 145, + 648, + 175, + 658 + ], + "score": 0.9, + "content": "C = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 175, + 646, + 194, + 661 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 194, + 648, + 228, + 659 + ], + "score": 0.92, + "content": "W _ { l } = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 228, + 646, + 258, + 661 + ], + "score": 1.0, + "content": "for all", + "type": "text" + }, + { + "bbox": [ + 258, + 648, + 290, + 660 + ], + "score": 0.91, + "content": "l \\in \\mathbb { N } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 290, + 646, + 438, + 661 + ], + "score": 1.0, + "content": ", then, we can inductively show that", + "type": "text" + }, + { + "bbox": [ + 439, + 648, + 472, + 659 + ], + "score": 0.91, + "content": "X _ { l } \\geq 0", + "type": "inline_equation" + }, + { + "bbox": [ + 472, + 646, + 505, + 661 + ], + "score": 1.0, + "content": "for any", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 106, + 659, + 505, + 671 + ], + "spans": [ + { + "bbox": [ + 106, + 659, + 131, + 670 + ], + "score": 0.9, + "content": "l \\geq 2", + "type": "inline_equation" + }, + { + "bbox": [ + 131, + 659, + 249, + 671 + ], + "score": 1.0, + "content": ". Therefore, we can interpret", + "type": "text" + }, + { + "bbox": [ + 250, + 660, + 262, + 670 + ], + "score": 0.86, + "content": "X _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 262, + 659, + 331, + 671 + ], + "score": 1.0, + "content": "as a measure on", + "type": "text" + }, + { + "bbox": [ + 332, + 660, + 339, + 669 + ], + "score": 0.79, + "content": "S", + "type": "inline_equation" + }, + { + "bbox": [ + 340, + 659, + 505, + 671 + ], + "score": 1.0, + "content": ". Suppose further that we take the initial", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 105, + 669, + 505, + 683 + ], + "spans": [ + { + "bbox": [ + 105, + 669, + 131, + 683 + ], + "score": 1.0, + "content": "value", + "type": "text" + }, + { + "bbox": [ + 131, + 671, + 145, + 681 + ], + "score": 0.89, + "content": "X _ { 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 145, + 669, + 159, + 683 + ], + "score": 1.0, + "content": "as", + "type": "text" + }, + { + "bbox": [ + 159, + 670, + 195, + 681 + ], + "score": 0.92, + "content": "X _ { 1 } ~ \\geq ~ 0", + "type": "inline_equation" + }, + { + "bbox": [ + 195, + 669, + 214, + 683 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 214, + 669, + 259, + 682 + ], + "score": 0.91, + "content": "X _ { 1 } ^ { \\top } \\mathbf { \\hat { 1 } } = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 259, + 669, + 361, + 683 + ], + "score": 1.0, + "content": "so that we can interpret", + "type": "text" + }, + { + "bbox": [ + 361, + 671, + 375, + 681 + ], + "score": 0.88, + "content": "X _ { 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 375, + 669, + 505, + 683 + ], + "score": 1.0, + "content": "as a probability distribution on", + "type": "text" + } + ], + "index": 37 + }, + { + "bbox": [ + 106, + 680, + 505, + 695 + ], + "spans": [ + { + "bbox": [ + 106, + 682, + 114, + 691 + ], + "score": 0.79, + "content": "S", + "type": "inline_equation" + }, + { + "bbox": [ + 115, + 680, + 265, + 695 + ], + "score": 1.0, + "content": ". Then, we can inductively show that", + "type": "text" + }, + { + "bbox": [ + 266, + 681, + 298, + 693 + ], + "score": 0.87, + "content": "X _ { l } \\geq 0", + "type": "inline_equation" + }, + { + "bbox": [ + 298, + 680, + 301, + 695 + ], + "score": 1.0, + "content": ",", + "type": "text" + }, + { + "bbox": [ + 302, + 680, + 344, + 694 + ], + "score": 0.89, + "content": "X _ { l } ^ { \\top } \\mathbf { 1 } = 1", + "type": "inline_equation" + }, + { + "bbox": [ + 344, + 680, + 366, + 695 + ], + "score": 1.0, + "content": "(i.e.,", + "type": "text" + }, + { + "bbox": [ + 366, + 682, + 379, + 692 + ], + "score": 0.89, + "content": "X _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 379, + 680, + 505, + 695 + ], + "score": 1.0, + "content": "is a probability distribution on", + "type": "text" + } + ], + "index": 38 + } + ], + "index": 36.5, + "bbox_fs": [ + 104, + 646, + 505, + 695 + ] + } + ] + }, + { + "preproc_blocks": [ + { + "type": "text", + "bbox": [ + 107, + 81, + 505, + 127 + ], + "lines": [ + { + "bbox": [ + 106, + 82, + 505, + 95 + ], + "spans": [ + { + "bbox": [ + 106, + 83, + 115, + 93 + ], + "score": 0.63, + "content": "S", + "type": "inline_equation" + }, + { + "bbox": [ + 115, + 82, + 139, + 95 + ], + "score": 1.0, + "content": "), and", + "type": "text" + }, + { + "bbox": [ + 139, + 82, + 255, + 95 + ], + "score": 0.92, + "content": "X _ { l + 1 } = \\sigma ( P X _ { l } W _ { l } ) = P X _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 256, + 82, + 284, + 95 + ], + "score": 1.0, + "content": "for all", + "type": "text" + }, + { + "bbox": [ + 285, + 83, + 316, + 94 + ], + "score": 0.93, + "content": "l \\in \\mathbb { N } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 317, + 82, + 505, + 95 + ], + "score": 1.0, + "content": ". In conclusion, the corollary is reduced to the", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 105, + 93, + 505, + 106 + ], + "spans": [ + { + "bbox": [ + 105, + 93, + 505, + 106 + ], + "score": 1.0, + "content": "fact that if a finite and discrete Markov process is irreducible and aperiodic, any initial probability", + "type": "text" + } + ], + "index": 1 + }, + { + "bbox": [ + 105, + 104, + 505, + 118 + ], + "spans": [ + { + "bbox": [ + 105, + 104, + 421, + 118 + ], + "score": 1.0, + "content": "distribution converges exponentially to an equibrilium. In addition, the the rate", + "type": "text" + }, + { + "bbox": [ + 422, + 105, + 429, + 114 + ], + "score": 0.75, + "content": "\\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 429, + 104, + 505, + 118 + ], + "score": 1.0, + "content": "corresponds to the", + "type": "text" + } + ], + "index": 2 + }, + { + "bbox": [ + 105, + 116, + 250, + 128 + ], + "spans": [ + { + "bbox": [ + 105, + 116, + 250, + 128 + ], + "score": 1.0, + "content": "mixing time of the Markov process.", + "type": "text" + } + ], + "index": 3 + } + ], + "index": 1.5 + }, + { + "type": "title", + "bbox": [ + 107, + 142, + 362, + 155 + ], + "lines": [ + { + "bbox": [ + 105, + 141, + 363, + 157 + ], + "spans": [ + { + "bbox": [ + 105, + 141, + 363, + 157 + ], + "score": 1.0, + "content": "G GCN DEFINED BY NORMALIZED LAPLACIAN", + "type": "text" + } + ], + "index": 4 + } + ], + "index": 4 + }, + { + "type": "text", + "bbox": [ + 106, + 165, + 505, + 268 + ], + "lines": [ + { + "bbox": [ + 104, + 165, + 505, + 179 + ], + "spans": [ + { + "bbox": [ + 104, + 167, + 209, + 179 + ], + "score": 1.0, + "content": "In Section 4, we defined", + "type": "text" + }, + { + "bbox": [ + 210, + 168, + 219, + 177 + ], + "score": 0.81, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 219, + 167, + 399, + 179 + ], + "score": 1.0, + "content": "using the augmented normalized Laplacian", + "type": "text" + }, + { + "bbox": [ + 399, + 165, + 409, + 177 + ], + "score": 0.85, + "content": "\\tilde { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 409, + 167, + 424, + 179 + ], + "score": 1.0, + "content": "by", + "type": "text" + }, + { + "bbox": [ + 424, + 165, + 483, + 178 + ], + "score": 0.93, + "content": "P = I _ { N } - \\tilde { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 483, + 167, + 505, + 179 + ], + "score": 1.0, + "content": ". We", + "type": "text" + } + ], + "index": 5 + }, + { + "bbox": [ + 105, + 178, + 504, + 189 + ], + "spans": [ + { + "bbox": [ + 105, + 178, + 322, + 189 + ], + "score": 1.0, + "content": "can alternatively use the usual normalized Laplacian", + "type": "text" + }, + { + "bbox": [ + 322, + 178, + 332, + 188 + ], + "score": 0.81, + "content": "\\Delta", + "type": "inline_equation" + }, + { + "bbox": [ + 333, + 178, + 495, + 189 + ], + "score": 1.0, + "content": "instead of the augmented one to define", + "type": "text" + }, + { + "bbox": [ + 495, + 178, + 504, + 188 + ], + "score": 0.8, + "content": "P", + "type": "inline_equation" + } + ], + "index": 6 + }, + { + "bbox": [ + 106, + 189, + 505, + 201 + ], + "spans": [ + { + "bbox": [ + 106, + 189, + 505, + 201 + ], + "score": 1.0, + "content": "and want to apply the theory developed in Section 3.2. We write the normalized Laplacian version", + "type": "text" + } + ], + "index": 7 + }, + { + "bbox": [ + 105, + 200, + 505, + 212 + ], + "spans": [ + { + "bbox": [ + 105, + 200, + 118, + 212 + ], + "score": 1.0, + "content": "as", + "type": "text" + }, + { + "bbox": [ + 118, + 200, + 187, + 211 + ], + "score": 0.92, + "content": "P _ { \\Delta } : = I _ { N } - \\Delta", + "type": "inline_equation" + }, + { + "bbox": [ + 187, + 200, + 397, + 212 + ], + "score": 1.0, + "content": ". The only obstacle is that the smallest eigenvalue", + "type": "text" + }, + { + "bbox": [ + 397, + 200, + 408, + 211 + ], + "score": 0.88, + "content": "\\lambda _ { 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 409, + 200, + 422, + 212 + ], + "score": 1.0, + "content": "of", + "type": "text" + }, + { + "bbox": [ + 423, + 200, + 437, + 211 + ], + "score": 0.89, + "content": "P _ { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 438, + 200, + 505, + 212 + ], + "score": 1.0, + "content": "can be equal to", + "type": "text" + } + ], + "index": 8 + }, + { + "bbox": [ + 106, + 211, + 505, + 223 + ], + "spans": [ + { + "bbox": [ + 106, + 212, + 120, + 222 + ], + "score": 0.78, + "content": "- 1", + "type": "inline_equation" + }, + { + "bbox": [ + 121, + 211, + 178, + 223 + ], + "score": 1.0, + "content": ", while that of", + "type": "text" + }, + { + "bbox": [ + 178, + 212, + 187, + 221 + ], + "score": 0.82, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 187, + 211, + 274, + 223 + ], + "score": 1.0, + "content": "is strictly larger than", + "type": "text" + }, + { + "bbox": [ + 274, + 212, + 288, + 222 + ], + "score": 0.81, + "content": "- 1", + "type": "inline_equation" + }, + { + "bbox": [ + 288, + 211, + 505, + 223 + ], + "score": 1.0, + "content": "(see, Proposition 1). This corresponds to that fact the", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 105, + 222, + 505, + 236 + ], + "spans": [ + { + "bbox": [ + 105, + 222, + 193, + 236 + ], + "score": 1.0, + "content": "largest eigenvalue of", + "type": "text" + }, + { + "bbox": [ + 194, + 222, + 203, + 233 + ], + "score": 0.87, + "content": "\\tilde { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 204, + 222, + 368, + 236 + ], + "score": 1.0, + "content": "is strictly smaller than 2, while that for", + "type": "text" + }, + { + "bbox": [ + 369, + 223, + 378, + 233 + ], + "score": 0.8, + "content": "\\Delta", + "type": "inline_equation" + }, + { + "bbox": [ + 379, + 222, + 505, + 236 + ], + "score": 1.0, + "content": "can be 2. It is known that the", + "type": "text" + } + ], + "index": 10 + }, + { + "bbox": [ + 105, + 234, + 506, + 246 + ], + "spans": [ + { + "bbox": [ + 105, + 234, + 191, + 246 + ], + "score": 1.0, + "content": "largest eigenvalue of", + "type": "text" + }, + { + "bbox": [ + 191, + 235, + 201, + 244 + ], + "score": 0.82, + "content": "\\Delta", + "type": "inline_equation" + }, + { + "bbox": [ + 201, + 234, + 506, + 246 + ], + "score": 1.0, + "content": "is 2 if and only if the graph has a non-trivial bipartite connected component", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 106, + 245, + 505, + 258 + ], + "spans": [ + { + "bbox": [ + 106, + 245, + 180, + 258 + ], + "score": 1.0, + "content": "(see, e.g., Chung", + "type": "text" + }, + { + "bbox": [ + 180, + 245, + 189, + 255 + ], + "score": 0.33, + "content": "\\&", + "type": "inline_equation" + }, + { + "bbox": [ + 190, + 245, + 505, + 258 + ], + "score": 1.0, + "content": "Graham (1997)). Therefore, we can develop a theory using the normalized", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 105, + 255, + 390, + 268 + ], + "spans": [ + { + "bbox": [ + 105, + 255, + 377, + 268 + ], + "score": 1.0, + "content": "Laplacian instead of the augmented one in parallel for such a graph", + "type": "text" + }, + { + "bbox": [ + 377, + 257, + 386, + 266 + ], + "score": 0.79, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 387, + 255, + 390, + 268 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 13 + } + ], + "index": 9 + }, + { + "type": "text", + "bbox": [ + 106, + 272, + 505, + 372 + ], + "lines": [ + { + "bbox": [ + 106, + 273, + 504, + 285 + ], + "spans": [ + { + "bbox": [ + 106, + 273, + 504, + 285 + ], + "score": 1.0, + "content": "In Section 5, we characterized the asymptotic behavior of GCN defined by the augmented normal-", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 105, + 284, + 505, + 296 + ], + "spans": [ + { + "bbox": [ + 105, + 284, + 505, + 296 + ], + "score": 1.0, + "content": "ized Laplacian via its spectral distribution (Lemma 6 of Appendix D). We can derive a similar claim", + "type": "text" + } + ], + "index": 15 + }, + { + "bbox": [ + 105, + 294, + 505, + 308 + ], + "spans": [ + { + "bbox": [ + 105, + 294, + 505, + 308 + ], + "score": 1.0, + "content": "for GCN defined via the normalized Laplacian using the original theorem for the normalized Lapla-", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 105, + 306, + 505, + 319 + ], + "spans": [ + { + "bbox": [ + 105, + 306, + 505, + 319 + ], + "score": 1.0, + "content": "cian in Chung & Radcliffe (2011) (Theorem 7 therein). The normalized Laplacian version of GCN is", + "type": "text" + } + ], + "index": 17 + }, + { + "bbox": [ + 106, + 317, + 505, + 329 + ], + "spans": [ + { + "bbox": [ + 106, + 317, + 505, + 329 + ], + "score": 1.0, + "content": "advantegeous over the one made from the augmented one because we know its spectral distribution", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 105, + 326, + 505, + 342 + ], + "spans": [ + { + "bbox": [ + 105, + 326, + 505, + 342 + ], + "score": 1.0, + "content": "for broader range of random graphs. For example, Chung & Radcliffe (2011) proved the conver-", + "type": "text" + } + ], + "index": 19 + }, + { + "bbox": [ + 104, + 338, + 506, + 352 + ], + "spans": [ + { + "bbox": [ + 104, + 338, + 506, + 352 + ], + "score": 1.0, + "content": "gence of the spectral distribution of the normalized Laplacian for Chung-Lu’s model (Chung & Lu,", + "type": "text" + } + ], + "index": 20 + }, + { + "bbox": [ + 104, + 348, + 506, + 363 + ], + "spans": [ + { + "bbox": [ + 104, + 348, + 506, + 363 + ], + "score": 1.0, + "content": "2002), which includes power law graphs as a special case (see, Theorem 4 of Chung & Radcliffe", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 105, + 360, + 142, + 374 + ], + "spans": [ + { + "bbox": [ + 105, + 360, + 142, + 374 + ], + "score": 1.0, + "content": "(2011)).", + "type": "text" + } + ], + "index": 22 + } + ], + "index": 18 + }, + { + "type": "title", + "bbox": [ + 107, + 387, + 316, + 401 + ], + "lines": [ + { + "bbox": [ + 105, + 387, + 316, + 402 + ], + "spans": [ + { + "bbox": [ + 105, + 387, + 316, + 402 + ], + "score": 1.0, + "content": "H DETAILS OF EXPERIMENT SETTINGS", + "type": "text" + } + ], + "index": 23 + } + ], + "index": 23 + }, + { + "type": "title", + "bbox": [ + 108, + 412, + 260, + 423 + ], + "lines": [ + { + "bbox": [ + 106, + 411, + 262, + 424 + ], + "spans": [ + { + "bbox": [ + 106, + 411, + 262, + 424 + ], + "score": 1.0, + "content": "H.1 EXPERIMENT OF SECTION 6.1", + "type": "text" + } + ], + "index": 24 + } + ], + "index": 24 + }, + { + "type": "text", + "bbox": [ + 107, + 432, + 505, + 466 + ], + "lines": [ + { + "bbox": [ + 106, + 433, + 505, + 445 + ], + "spans": [ + { + "bbox": [ + 106, + 433, + 203, + 445 + ], + "score": 1.0, + "content": "We set the eigenvalue of", + "type": "text" + }, + { + "bbox": [ + 204, + 433, + 212, + 443 + ], + "score": 0.84, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 213, + 433, + 222, + 445 + ], + "score": 1.0, + "content": "to", + "type": "text" + }, + { + "bbox": [ + 223, + 433, + 260, + 444 + ], + "score": 0.91, + "content": "\\lambda _ { 1 } = 0 . 5", + "type": "inline_equation" + }, + { + "bbox": [ + 261, + 433, + 277, + 445 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 277, + 433, + 315, + 444 + ], + "score": 0.91, + "content": "\\lambda _ { 2 } = 1 . 0", + "type": "inline_equation" + }, + { + "bbox": [ + 315, + 433, + 412, + 445 + ], + "score": 1.0, + "content": "and randomly generated", + "type": "text" + }, + { + "bbox": [ + 413, + 433, + 422, + 443 + ], + "score": 0.82, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 422, + 433, + 505, + 445 + ], + "score": 1.0, + "content": "until the eigenvector", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 107, + 443, + 504, + 456 + ], + "spans": [ + { + "bbox": [ + 107, + 446, + 113, + 454 + ], + "score": 0.71, + "content": "e", + "type": "inline_equation" + }, + { + "bbox": [ + 113, + 443, + 167, + 456 + ], + "score": 1.0, + "content": "associated to", + "type": "text" + }, + { + "bbox": [ + 167, + 444, + 178, + 455 + ], + "score": 0.88, + "content": "\\lambda _ { 2 }", + "type": "inline_equation" + }, + { + "bbox": [ + 179, + 443, + 466, + 456 + ], + "score": 1.0, + "content": "satisfies the condition of each case described in the main article. We set", + "type": "text" + }, + { + "bbox": [ + 466, + 444, + 504, + 454 + ], + "score": 0.87, + "content": "W = 1 . 2", + "type": "inline_equation" + } + ], + "index": 26 + }, + { + "bbox": [ + 106, + 455, + 330, + 467 + ], + "spans": [ + { + "bbox": [ + 106, + 455, + 293, + 467 + ], + "score": 1.0, + "content": "and used the following values for each case as", + "type": "text" + }, + { + "bbox": [ + 293, + 455, + 302, + 465 + ], + "score": 0.83, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 302, + 455, + 320, + 467 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 320, + 457, + 326, + 465 + ], + "score": 0.72, + "content": "e", + "type": "inline_equation" + }, + { + "bbox": [ + 326, + 455, + 330, + 467 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 27 + } + ], + "index": 26 + }, + { + "type": "title", + "bbox": [ + 107, + 478, + 174, + 489 + ], + "lines": [ + { + "bbox": [ + 106, + 477, + 175, + 491 + ], + "spans": [ + { + "bbox": [ + 106, + 477, + 175, + 491 + ], + "score": 1.0, + "content": "H.1.1 CASE 1", + "type": "text" + } + ], + "index": 28 + } + ], + "index": 28 + }, + { + "type": "interline_equation", + "bbox": [ + 188, + 497, + 423, + 526 + ], + "lines": [ + { + "bbox": [ + 188, + 497, + 423, + 526 + ], + "spans": [ + { + "bbox": [ + 188, + 497, + 423, + 526 + ], + "score": 0.91, + "content": "P = { \\left[ 0 . 2 4 9 9 8 1 9 \\quad 0 . 2 4 9 9 8 1 9 \\right] } , \\quad e = { \\left[ \\begin{array} { l } { 0 . 7 0 2 8 3 9 2 } \\\\ { 0 . 2 4 9 9 8 1 9 } \\end{array} \\right] } .", + "type": "interline_equation", + "image_path": "a45a554cc59f5473c1277d0fc3734b6b8f02d7f173def87ef21b7d057d87c7cf.jpg" + } + ] + } + ], + "index": 29.5, + "virtual_lines": [ + { + "bbox": [ + 188, + 497, + 423, + 511.5 + ], + "spans": [], + "index": 29 + }, + { + "bbox": [ + 188, + 511.5, + 423, + 526.0 + ], + "spans": [], + "index": 30 + } + ] + }, + { + "type": "title", + "bbox": [ + 107, + 533, + 175, + 545 + ], + "lines": [ + { + "bbox": [ + 105, + 532, + 176, + 547 + ], + "spans": [ + { + "bbox": [ + 105, + 532, + 176, + 547 + ], + "score": 1.0, + "content": "H.1.2 CASE 2", + "type": "text" + } + ], + "index": 31 + } + ], + "index": 31 + }, + { + "type": "interline_equation", + "bbox": [ + 180, + 553, + 429, + 582 + ], + "lines": [ + { + "bbox": [ + 180, + 553, + 429, + 582 + ], + "spans": [ + { + "bbox": [ + 180, + 553, + 429, + 582 + ], + "score": 0.92, + "content": "P = \\left[ { \\begin{array} { c c } { 0 . 6 8 9 9 5 7 4 } & { - 0 . 2 4 2 6 8 2 7 } \\\\ { - 0 . 2 4 2 6 8 2 7 } & { 0 . 8 1 0 0 4 2 6 } \\end{array} } \\right] , \\quad e = \\left[ { \\begin{array} { c } { 0 . 6 1 6 3 7 2 3 4 } \\\\ { - 0 . 7 8 7 4 5 4 8 5 } \\end{array} } \\right] .", + "type": "interline_equation", + "image_path": "ea4a91aed77b14fa03a1a13d483c412a7308a19596269770f06c7f39a684c6ac.jpg" + } + ] + } + ], + "index": 33, + "virtual_lines": [ + { + "bbox": [ + 180, + 553, + 429, + 562.6666666666666 + ], + "spans": [], + "index": 32 + }, + { + "bbox": [ + 180, + 562.6666666666666, + 429, + 572.3333333333333 + ], + "spans": [], + "index": 33 + }, + { + "bbox": [ + 180, + 572.3333333333333, + 429, + 581.9999999999999 + ], + "spans": [], + "index": 34 + } + ] + }, + { + "type": "title", + "bbox": [ + 108, + 592, + 262, + 604 + ], + "lines": [ + { + "bbox": [ + 105, + 592, + 262, + 605 + ], + "spans": [ + { + "bbox": [ + 105, + 592, + 262, + 605 + ], + "score": 1.0, + "content": "H.2 EXPERIMENT OF SECTION 6.2", + "type": "text" + } + ], + "index": 35 + } + ], + "index": 35 + }, + { + "type": "text", + "bbox": [ + 106, + 613, + 505, + 714 + ], + "lines": [ + { + "bbox": [ + 106, + 613, + 506, + 627 + ], + "spans": [ + { + "bbox": [ + 106, + 613, + 304, + 627 + ], + "score": 1.0, + "content": "We randomly generated an Erdos – R ˝ enyi graph ´", + "type": "text" + }, + { + "bbox": [ + 305, + 614, + 327, + 625 + ], + "score": 0.9, + "content": "G _ { N , p }", + "type": "inline_equation" + }, + { + "bbox": [ + 328, + 613, + 350, + 627 + ], + "score": 1.0, + "content": "with", + "type": "text" + }, + { + "bbox": [ + 350, + 614, + 396, + 624 + ], + "score": 0.9, + "content": "N = 1 0 0 0", + "type": "inline_equation" + }, + { + "bbox": [ + 397, + 613, + 506, + 627 + ], + "score": 1.0, + "content": "and randomly generated a", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 105, + 624, + 506, + 637 + ], + "spans": [ + { + "bbox": [ + 105, + 624, + 136, + 637 + ], + "score": 1.0, + "content": "one-of-", + "type": "text" + }, + { + "bbox": [ + 136, + 624, + 146, + 634 + ], + "score": 0.8, + "content": "K", + "type": "inline_equation" + }, + { + "bbox": [ + 147, + 624, + 321, + 637 + ], + "score": 1.0, + "content": "hot vector for each node and embed it to a", + "type": "text" + }, + { + "bbox": [ + 322, + 625, + 330, + 634 + ], + "score": 0.82, + "content": "C", + "type": "inline_equation" + }, + { + "bbox": [ + 331, + 624, + 506, + 637 + ], + "score": 1.0, + "content": "-dimensional vector using a random matrix", + "type": "text" + } + ], + "index": 37 + }, + { + "bbox": [ + 106, + 636, + 504, + 648 + ], + "spans": [ + { + "bbox": [ + 106, + 636, + 467, + 648 + ], + "score": 1.0, + "content": "whose elements were randomly sampled from the standard Gaussian distribution. Here,", + "type": "text" + }, + { + "bbox": [ + 468, + 636, + 504, + 646 + ], + "score": 0.88, + "content": "K = 1 0", + "type": "inline_equation" + } + ], + "index": 38 + }, + { + "bbox": [ + 104, + 644, + 507, + 661 + ], + "spans": [ + { + "bbox": [ + 104, + 644, + 123, + 661 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 124, + 647, + 158, + 658 + ], + "score": 0.9, + "content": "C = 3 2", + "type": "inline_equation" + }, + { + "bbox": [ + 158, + 644, + 365, + 661 + ], + "score": 1.0, + "content": ". We treated the resulting single as the input signal", + "type": "text" + }, + { + "bbox": [ + 366, + 646, + 427, + 658 + ], + "score": 0.93, + "content": "X ^ { ( 0 ) } \\in \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 428, + 644, + 507, + 661 + ], + "score": 1.0, + "content": ". We constructed a", + "type": "text" + } + ], + "index": 39 + }, + { + "bbox": [ + 105, + 658, + 506, + 671 + ], + "spans": [ + { + "bbox": [ + 105, + 658, + 151, + 671 + ], + "score": 1.0, + "content": "GCN with", + "type": "text" + }, + { + "bbox": [ + 151, + 659, + 185, + 669 + ], + "score": 0.89, + "content": "L = 1 0", + "type": "inline_equation" + }, + { + "bbox": [ + 186, + 658, + 231, + 671 + ], + "score": 1.0, + "content": "layers and", + "type": "text" + }, + { + "bbox": [ + 231, + 659, + 240, + 668 + ], + "score": 0.79, + "content": "C", + "type": "inline_equation" + }, + { + "bbox": [ + 241, + 658, + 506, + 671 + ], + "score": 1.0, + "content": "channels. All parameters were i.i.d. sampled from the Gaussian", + "type": "text" + } + ], + "index": 40 + }, + { + "bbox": [ + 106, + 669, + 505, + 681 + ], + "spans": [ + { + "bbox": [ + 106, + 669, + 409, + 681 + ], + "score": 1.0, + "content": "distribution whose standard deviation is same as the one used in LeCun et al.", + "type": "text" + }, + { + "bbox": [ + 409, + 669, + 444, + 681 + ], + "score": 0.74, + "content": "( 2 0 1 2 ) ^ { 1 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 444, + 669, + 505, + 681 + ], + "score": 1.0, + "content": "and multiplied", + "type": "text" + } + ], + "index": 41 + }, + { + "bbox": [ + 104, + 680, + 505, + 693 + ], + "spans": [ + { + "bbox": [ + 104, + 680, + 477, + 693 + ], + "score": 1.0, + "content": "a scalar to each weight matrix so that the largest singular value equals to a specified value", + "type": "text" + }, + { + "bbox": [ + 477, + 682, + 483, + 690 + ], + "score": 0.66, + "content": "s", + "type": "inline_equation" + }, + { + "bbox": [ + 483, + 680, + 505, + 693 + ], + "score": 1.0, + "content": ". We", + "type": "text" + } + ], + "index": 42 + }, + { + "bbox": [ + 105, + 691, + 505, + 704 + ], + "spans": [ + { + "bbox": [ + 105, + 691, + 212, + 704 + ], + "score": 1.0, + "content": "used three configurations", + "type": "text" + }, + { + "bbox": [ + 212, + 691, + 329, + 703 + ], + "score": 0.29, + "content": "( p , s ) = ( 0 . 1 , 0 . 1 ) \\overset { \\cdot } { , } ( 0 . 5 , 1 . \\overset { \\cdot } { 0 } )", + "type": "inline_equation" + }, + { + "bbox": [ + 329, + 691, + 384, + 704 + ], + "score": 1.0, + "content": ", (0.5, 10.0).", + "type": "text" + }, + { + "bbox": [ + 384, + 692, + 391, + 701 + ], + "score": 0.7, + "content": "\\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 392, + 691, + 505, + 704 + ], + "score": 1.0, + "content": "of the generated GCNs are", + "type": "text" + } + ], + "index": 43 + }, + { + "bbox": [ + 104, + 700, + 505, + 716 + ], + "spans": [ + { + "bbox": [ + 104, + 700, + 477, + 716 + ], + "score": 1.0, + "content": "0.063, 0.197, 0.194, respectively. See Appendix 6.2 for the results of other configurations of", + "type": "text" + }, + { + "bbox": [ + 478, + 702, + 500, + 714 + ], + "score": 0.92, + "content": "( p , s )", + "type": "inline_equation" + }, + { + "bbox": [ + 500, + 700, + 505, + 716 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 44 + } + ], + "index": 40 + } + ], + "page_idx": 22, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 114, + 721, + 464, + 732 + ], + "lines": [ + { + "bbox": [ + 115, + 719, + 465, + 733 + ], + "spans": [ + { + "bbox": [ + 115, + 719, + 465, + 733 + ], + "score": 1.0, + "content": "11This is the default initialization method for weight matrices in Chainer and Chainer Chemistry.", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 107, + 27, + 293, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 300, + 751, + 311, + 760 + ], + "lines": [ + { + "bbox": [ + 298, + 750, + 313, + 764 + ], + "spans": [ + { + "bbox": [ + 298, + 750, + 313, + 764 + ], + "score": 1.0, + "content": "", + "type": "text", + "height": 14, + "width": 15 + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "text", + "bbox": [ + 107, + 81, + 505, + 127 + ], + "lines": [ + { + "bbox": [ + 106, + 82, + 505, + 95 + ], + "spans": [ + { + "bbox": [ + 106, + 83, + 115, + 93 + ], + "score": 0.63, + "content": "S", + "type": "inline_equation" + }, + { + "bbox": [ + 115, + 82, + 139, + 95 + ], + "score": 1.0, + "content": "), and", + "type": "text" + }, + { + "bbox": [ + 139, + 82, + 255, + 95 + ], + "score": 0.92, + "content": "X _ { l + 1 } = \\sigma ( P X _ { l } W _ { l } ) = P X _ { l }", + "type": "inline_equation" + }, + { + "bbox": [ + 256, + 82, + 284, + 95 + ], + "score": 1.0, + "content": "for all", + "type": "text" + }, + { + "bbox": [ + 285, + 83, + 316, + 94 + ], + "score": 0.93, + "content": "l \\in \\mathbb { N } _ { + }", + "type": "inline_equation" + }, + { + "bbox": [ + 317, + 82, + 505, + 95 + ], + "score": 1.0, + "content": ". In conclusion, the corollary is reduced to the", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 105, + 93, + 505, + 106 + ], + "spans": [ + { + "bbox": [ + 105, + 93, + 505, + 106 + ], + "score": 1.0, + "content": "fact that if a finite and discrete Markov process is irreducible and aperiodic, any initial probability", + "type": "text" + } + ], + "index": 1 + }, + { + "bbox": [ + 105, + 104, + 505, + 118 + ], + "spans": [ + { + "bbox": [ + 105, + 104, + 421, + 118 + ], + "score": 1.0, + "content": "distribution converges exponentially to an equibrilium. In addition, the the rate", + "type": "text" + }, + { + "bbox": [ + 422, + 105, + 429, + 114 + ], + "score": 0.75, + "content": "\\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 429, + 104, + 505, + 118 + ], + "score": 1.0, + "content": "corresponds to the", + "type": "text" + } + ], + "index": 2 + }, + { + "bbox": [ + 105, + 116, + 250, + 128 + ], + "spans": [ + { + "bbox": [ + 105, + 116, + 250, + 128 + ], + "score": 1.0, + "content": "mixing time of the Markov process.", + "type": "text" + } + ], + "index": 3 + } + ], + "index": 1.5, + "bbox_fs": [ + 105, + 82, + 505, + 128 + ] + }, + { + "type": "title", + "bbox": [ + 107, + 142, + 362, + 155 + ], + "lines": [ + { + "bbox": [ + 105, + 141, + 363, + 157 + ], + "spans": [ + { + "bbox": [ + 105, + 141, + 363, + 157 + ], + "score": 1.0, + "content": "G GCN DEFINED BY NORMALIZED LAPLACIAN", + "type": "text" + } + ], + "index": 4 + } + ], + "index": 4 + }, + { + "type": "text", + "bbox": [ + 106, + 165, + 505, + 268 + ], + "lines": [ + { + "bbox": [ + 104, + 165, + 505, + 179 + ], + "spans": [ + { + "bbox": [ + 104, + 167, + 209, + 179 + ], + "score": 1.0, + "content": "In Section 4, we defined", + "type": "text" + }, + { + "bbox": [ + 210, + 168, + 219, + 177 + ], + "score": 0.81, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 219, + 167, + 399, + 179 + ], + "score": 1.0, + "content": "using the augmented normalized Laplacian", + "type": "text" + }, + { + "bbox": [ + 399, + 165, + 409, + 177 + ], + "score": 0.85, + "content": "\\tilde { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 409, + 167, + 424, + 179 + ], + "score": 1.0, + "content": "by", + "type": "text" + }, + { + "bbox": [ + 424, + 165, + 483, + 178 + ], + "score": 0.93, + "content": "P = I _ { N } - \\tilde { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 483, + 167, + 505, + 179 + ], + "score": 1.0, + "content": ". We", + "type": "text" + } + ], + "index": 5 + }, + { + "bbox": [ + 105, + 178, + 504, + 189 + ], + "spans": [ + { + "bbox": [ + 105, + 178, + 322, + 189 + ], + "score": 1.0, + "content": "can alternatively use the usual normalized Laplacian", + "type": "text" + }, + { + "bbox": [ + 322, + 178, + 332, + 188 + ], + "score": 0.81, + "content": "\\Delta", + "type": "inline_equation" + }, + { + "bbox": [ + 333, + 178, + 495, + 189 + ], + "score": 1.0, + "content": "instead of the augmented one to define", + "type": "text" + }, + { + "bbox": [ + 495, + 178, + 504, + 188 + ], + "score": 0.8, + "content": "P", + "type": "inline_equation" + } + ], + "index": 6 + }, + { + "bbox": [ + 106, + 189, + 505, + 201 + ], + "spans": [ + { + "bbox": [ + 106, + 189, + 505, + 201 + ], + "score": 1.0, + "content": "and want to apply the theory developed in Section 3.2. We write the normalized Laplacian version", + "type": "text" + } + ], + "index": 7 + }, + { + "bbox": [ + 105, + 200, + 505, + 212 + ], + "spans": [ + { + "bbox": [ + 105, + 200, + 118, + 212 + ], + "score": 1.0, + "content": "as", + "type": "text" + }, + { + "bbox": [ + 118, + 200, + 187, + 211 + ], + "score": 0.92, + "content": "P _ { \\Delta } : = I _ { N } - \\Delta", + "type": "inline_equation" + }, + { + "bbox": [ + 187, + 200, + 397, + 212 + ], + "score": 1.0, + "content": ". The only obstacle is that the smallest eigenvalue", + "type": "text" + }, + { + "bbox": [ + 397, + 200, + 408, + 211 + ], + "score": 0.88, + "content": "\\lambda _ { 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 409, + 200, + 422, + 212 + ], + "score": 1.0, + "content": "of", + "type": "text" + }, + { + "bbox": [ + 423, + 200, + 437, + 211 + ], + "score": 0.89, + "content": "P _ { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 438, + 200, + 505, + 212 + ], + "score": 1.0, + "content": "can be equal to", + "type": "text" + } + ], + "index": 8 + }, + { + "bbox": [ + 106, + 211, + 505, + 223 + ], + "spans": [ + { + "bbox": [ + 106, + 212, + 120, + 222 + ], + "score": 0.78, + "content": "- 1", + "type": "inline_equation" + }, + { + "bbox": [ + 121, + 211, + 178, + 223 + ], + "score": 1.0, + "content": ", while that of", + "type": "text" + }, + { + "bbox": [ + 178, + 212, + 187, + 221 + ], + "score": 0.82, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 187, + 211, + 274, + 223 + ], + "score": 1.0, + "content": "is strictly larger than", + "type": "text" + }, + { + "bbox": [ + 274, + 212, + 288, + 222 + ], + "score": 0.81, + "content": "- 1", + "type": "inline_equation" + }, + { + "bbox": [ + 288, + 211, + 505, + 223 + ], + "score": 1.0, + "content": "(see, Proposition 1). This corresponds to that fact the", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 105, + 222, + 505, + 236 + ], + "spans": [ + { + "bbox": [ + 105, + 222, + 193, + 236 + ], + "score": 1.0, + "content": "largest eigenvalue of", + "type": "text" + }, + { + "bbox": [ + 194, + 222, + 203, + 233 + ], + "score": 0.87, + "content": "\\tilde { \\Delta }", + "type": "inline_equation" + }, + { + "bbox": [ + 204, + 222, + 368, + 236 + ], + "score": 1.0, + "content": "is strictly smaller than 2, while that for", + "type": "text" + }, + { + "bbox": [ + 369, + 223, + 378, + 233 + ], + "score": 0.8, + "content": "\\Delta", + "type": "inline_equation" + }, + { + "bbox": [ + 379, + 222, + 505, + 236 + ], + "score": 1.0, + "content": "can be 2. It is known that the", + "type": "text" + } + ], + "index": 10 + }, + { + "bbox": [ + 105, + 234, + 506, + 246 + ], + "spans": [ + { + "bbox": [ + 105, + 234, + 191, + 246 + ], + "score": 1.0, + "content": "largest eigenvalue of", + "type": "text" + }, + { + "bbox": [ + 191, + 235, + 201, + 244 + ], + "score": 0.82, + "content": "\\Delta", + "type": "inline_equation" + }, + { + "bbox": [ + 201, + 234, + 506, + 246 + ], + "score": 1.0, + "content": "is 2 if and only if the graph has a non-trivial bipartite connected component", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 106, + 245, + 505, + 258 + ], + "spans": [ + { + "bbox": [ + 106, + 245, + 180, + 258 + ], + "score": 1.0, + "content": "(see, e.g., Chung", + "type": "text" + }, + { + "bbox": [ + 180, + 245, + 189, + 255 + ], + "score": 0.33, + "content": "\\&", + "type": "inline_equation" + }, + { + "bbox": [ + 190, + 245, + 505, + 258 + ], + "score": 1.0, + "content": "Graham (1997)). Therefore, we can develop a theory using the normalized", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 105, + 255, + 390, + 268 + ], + "spans": [ + { + "bbox": [ + 105, + 255, + 377, + 268 + ], + "score": 1.0, + "content": "Laplacian instead of the augmented one in parallel for such a graph", + "type": "text" + }, + { + "bbox": [ + 377, + 257, + 386, + 266 + ], + "score": 0.79, + "content": "G", + "type": "inline_equation" + }, + { + "bbox": [ + 387, + 255, + 390, + 268 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 13 + } + ], + "index": 9, + "bbox_fs": [ + 104, + 165, + 506, + 268 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 272, + 505, + 372 + ], + "lines": [ + { + "bbox": [ + 106, + 273, + 504, + 285 + ], + "spans": [ + { + "bbox": [ + 106, + 273, + 504, + 285 + ], + "score": 1.0, + "content": "In Section 5, we characterized the asymptotic behavior of GCN defined by the augmented normal-", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 105, + 284, + 505, + 296 + ], + "spans": [ + { + "bbox": [ + 105, + 284, + 505, + 296 + ], + "score": 1.0, + "content": "ized Laplacian via its spectral distribution (Lemma 6 of Appendix D). We can derive a similar claim", + "type": "text" + } + ], + "index": 15 + }, + { + "bbox": [ + 105, + 294, + 505, + 308 + ], + "spans": [ + { + "bbox": [ + 105, + 294, + 505, + 308 + ], + "score": 1.0, + "content": "for GCN defined via the normalized Laplacian using the original theorem for the normalized Lapla-", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 105, + 306, + 505, + 319 + ], + "spans": [ + { + "bbox": [ + 105, + 306, + 505, + 319 + ], + "score": 1.0, + "content": "cian in Chung & Radcliffe (2011) (Theorem 7 therein). The normalized Laplacian version of GCN is", + "type": "text" + } + ], + "index": 17 + }, + { + "bbox": [ + 106, + 317, + 505, + 329 + ], + "spans": [ + { + "bbox": [ + 106, + 317, + 505, + 329 + ], + "score": 1.0, + "content": "advantegeous over the one made from the augmented one because we know its spectral distribution", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 105, + 326, + 505, + 342 + ], + "spans": [ + { + "bbox": [ + 105, + 326, + 505, + 342 + ], + "score": 1.0, + "content": "for broader range of random graphs. For example, Chung & Radcliffe (2011) proved the conver-", + "type": "text" + } + ], + "index": 19 + }, + { + "bbox": [ + 104, + 338, + 506, + 352 + ], + "spans": [ + { + "bbox": [ + 104, + 338, + 506, + 352 + ], + "score": 1.0, + "content": "gence of the spectral distribution of the normalized Laplacian for Chung-Lu’s model (Chung & Lu,", + "type": "text" + } + ], + "index": 20 + }, + { + "bbox": [ + 104, + 348, + 506, + 363 + ], + "spans": [ + { + "bbox": [ + 104, + 348, + 506, + 363 + ], + "score": 1.0, + "content": "2002), which includes power law graphs as a special case (see, Theorem 4 of Chung & Radcliffe", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 105, + 360, + 142, + 374 + ], + "spans": [ + { + "bbox": [ + 105, + 360, + 142, + 374 + ], + "score": 1.0, + "content": "(2011)).", + "type": "text" + } + ], + "index": 22 + } + ], + "index": 18, + "bbox_fs": [ + 104, + 273, + 506, + 374 + ] + }, + { + "type": "title", + "bbox": [ + 107, + 387, + 316, + 401 + ], + "lines": [ + { + "bbox": [ + 105, + 387, + 316, + 402 + ], + "spans": [ + { + "bbox": [ + 105, + 387, + 316, + 402 + ], + "score": 1.0, + "content": "H DETAILS OF EXPERIMENT SETTINGS", + "type": "text" + } + ], + "index": 23 + } + ], + "index": 23 + }, + { + "type": "title", + "bbox": [ + 108, + 412, + 260, + 423 + ], + "lines": [ + { + "bbox": [ + 106, + 411, + 262, + 424 + ], + "spans": [ + { + "bbox": [ + 106, + 411, + 262, + 424 + ], + "score": 1.0, + "content": "H.1 EXPERIMENT OF SECTION 6.1", + "type": "text" + } + ], + "index": 24 + } + ], + "index": 24 + }, + { + "type": "text", + "bbox": [ + 107, + 432, + 505, + 466 + ], + "lines": [ + { + "bbox": [ + 106, + 433, + 505, + 445 + ], + "spans": [ + { + "bbox": [ + 106, + 433, + 203, + 445 + ], + "score": 1.0, + "content": "We set the eigenvalue of", + "type": "text" + }, + { + "bbox": [ + 204, + 433, + 212, + 443 + ], + "score": 0.84, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 213, + 433, + 222, + 445 + ], + "score": 1.0, + "content": "to", + "type": "text" + }, + { + "bbox": [ + 223, + 433, + 260, + 444 + ], + "score": 0.91, + "content": "\\lambda _ { 1 } = 0 . 5", + "type": "inline_equation" + }, + { + "bbox": [ + 261, + 433, + 277, + 445 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 277, + 433, + 315, + 444 + ], + "score": 0.91, + "content": "\\lambda _ { 2 } = 1 . 0", + "type": "inline_equation" + }, + { + "bbox": [ + 315, + 433, + 412, + 445 + ], + "score": 1.0, + "content": "and randomly generated", + "type": "text" + }, + { + "bbox": [ + 413, + 433, + 422, + 443 + ], + "score": 0.82, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 422, + 433, + 505, + 445 + ], + "score": 1.0, + "content": "until the eigenvector", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 107, + 443, + 504, + 456 + ], + "spans": [ + { + "bbox": [ + 107, + 446, + 113, + 454 + ], + "score": 0.71, + "content": "e", + "type": "inline_equation" + }, + { + "bbox": [ + 113, + 443, + 167, + 456 + ], + "score": 1.0, + "content": "associated to", + "type": "text" + }, + { + "bbox": [ + 167, + 444, + 178, + 455 + ], + "score": 0.88, + "content": "\\lambda _ { 2 }", + "type": "inline_equation" + }, + { + "bbox": [ + 179, + 443, + 466, + 456 + ], + "score": 1.0, + "content": "satisfies the condition of each case described in the main article. We set", + "type": "text" + }, + { + "bbox": [ + 466, + 444, + 504, + 454 + ], + "score": 0.87, + "content": "W = 1 . 2", + "type": "inline_equation" + } + ], + "index": 26 + }, + { + "bbox": [ + 106, + 455, + 330, + 467 + ], + "spans": [ + { + "bbox": [ + 106, + 455, + 293, + 467 + ], + "score": 1.0, + "content": "and used the following values for each case as", + "type": "text" + }, + { + "bbox": [ + 293, + 455, + 302, + 465 + ], + "score": 0.83, + "content": "P", + "type": "inline_equation" + }, + { + "bbox": [ + 302, + 455, + 320, + 467 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 320, + 457, + 326, + 465 + ], + "score": 0.72, + "content": "e", + "type": "inline_equation" + }, + { + "bbox": [ + 326, + 455, + 330, + 467 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 27 + } + ], + "index": 26, + "bbox_fs": [ + 106, + 433, + 505, + 467 + ] + }, + { + "type": "title", + "bbox": [ + 107, + 478, + 174, + 489 + ], + "lines": [ + { + "bbox": [ + 106, + 477, + 175, + 491 + ], + "spans": [ + { + "bbox": [ + 106, + 477, + 175, + 491 + ], + "score": 1.0, + "content": "H.1.1 CASE 1", + "type": "text" + } + ], + "index": 28 + } + ], + "index": 28 + }, + { + "type": "interline_equation", + "bbox": [ + 188, + 497, + 423, + 526 + ], + "lines": [ + { + "bbox": [ + 188, + 497, + 423, + 526 + ], + "spans": [ + { + "bbox": [ + 188, + 497, + 423, + 526 + ], + "score": 0.91, + "content": "P = { \\left[ 0 . 2 4 9 9 8 1 9 \\quad 0 . 2 4 9 9 8 1 9 \\right] } , \\quad e = { \\left[ \\begin{array} { l } { 0 . 7 0 2 8 3 9 2 } \\\\ { 0 . 2 4 9 9 8 1 9 } \\end{array} \\right] } .", + "type": "interline_equation", + "image_path": "a45a554cc59f5473c1277d0fc3734b6b8f02d7f173def87ef21b7d057d87c7cf.jpg" + } + ] + } + ], + "index": 29.5, + "virtual_lines": [ + { + "bbox": [ + 188, + 497, + 423, + 511.5 + ], + "spans": [], + "index": 29 + }, + { + "bbox": [ + 188, + 511.5, + 423, + 526.0 + ], + "spans": [], + "index": 30 + } + ] + }, + { + "type": "title", + "bbox": [ + 107, + 533, + 175, + 545 + ], + "lines": [ + { + "bbox": [ + 105, + 532, + 176, + 547 + ], + "spans": [ + { + "bbox": [ + 105, + 532, + 176, + 547 + ], + "score": 1.0, + "content": "H.1.2 CASE 2", + "type": "text" + } + ], + "index": 31 + } + ], + "index": 31 + }, + { + "type": "interline_equation", + "bbox": [ + 180, + 553, + 429, + 582 + ], + "lines": [ + { + "bbox": [ + 180, + 553, + 429, + 582 + ], + "spans": [ + { + "bbox": [ + 180, + 553, + 429, + 582 + ], + "score": 0.92, + "content": "P = \\left[ { \\begin{array} { c c } { 0 . 6 8 9 9 5 7 4 } & { - 0 . 2 4 2 6 8 2 7 } \\\\ { - 0 . 2 4 2 6 8 2 7 } & { 0 . 8 1 0 0 4 2 6 } \\end{array} } \\right] , \\quad e = \\left[ { \\begin{array} { c } { 0 . 6 1 6 3 7 2 3 4 } \\\\ { - 0 . 7 8 7 4 5 4 8 5 } \\end{array} } \\right] .", + "type": "interline_equation", + "image_path": "ea4a91aed77b14fa03a1a13d483c412a7308a19596269770f06c7f39a684c6ac.jpg" + } + ] + } + ], + "index": 33, + "virtual_lines": [ + { + "bbox": [ + 180, + 553, + 429, + 562.6666666666666 + ], + "spans": [], + "index": 32 + }, + { + "bbox": [ + 180, + 562.6666666666666, + 429, + 572.3333333333333 + ], + "spans": [], + "index": 33 + }, + { + "bbox": [ + 180, + 572.3333333333333, + 429, + 581.9999999999999 + ], + "spans": [], + "index": 34 + } + ] + }, + { + "type": "title", + "bbox": [ + 108, + 592, + 262, + 604 + ], + "lines": [ + { + "bbox": [ + 105, + 592, + 262, + 605 + ], + "spans": [ + { + "bbox": [ + 105, + 592, + 262, + 605 + ], + "score": 1.0, + "content": "H.2 EXPERIMENT OF SECTION 6.2", + "type": "text" + } + ], + "index": 35 + } + ], + "index": 35 + }, + { + "type": "text", + "bbox": [ + 106, + 613, + 505, + 714 + ], + "lines": [ + { + "bbox": [ + 106, + 613, + 506, + 627 + ], + "spans": [ + { + "bbox": [ + 106, + 613, + 304, + 627 + ], + "score": 1.0, + "content": "We randomly generated an Erdos – R ˝ enyi graph ´", + "type": "text" + }, + { + "bbox": [ + 305, + 614, + 327, + 625 + ], + "score": 0.9, + "content": "G _ { N , p }", + "type": "inline_equation" + }, + { + "bbox": [ + 328, + 613, + 350, + 627 + ], + "score": 1.0, + "content": "with", + "type": "text" + }, + { + "bbox": [ + 350, + 614, + 396, + 624 + ], + "score": 0.9, + "content": "N = 1 0 0 0", + "type": "inline_equation" + }, + { + "bbox": [ + 397, + 613, + 506, + 627 + ], + "score": 1.0, + "content": "and randomly generated a", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 105, + 624, + 506, + 637 + ], + "spans": [ + { + "bbox": [ + 105, + 624, + 136, + 637 + ], + "score": 1.0, + "content": "one-of-", + "type": "text" + }, + { + "bbox": [ + 136, + 624, + 146, + 634 + ], + "score": 0.8, + "content": "K", + "type": "inline_equation" + }, + { + "bbox": [ + 147, + 624, + 321, + 637 + ], + "score": 1.0, + "content": "hot vector for each node and embed it to a", + "type": "text" + }, + { + "bbox": [ + 322, + 625, + 330, + 634 + ], + "score": 0.82, + "content": "C", + "type": "inline_equation" + }, + { + "bbox": [ + 331, + 624, + 506, + 637 + ], + "score": 1.0, + "content": "-dimensional vector using a random matrix", + "type": "text" + } + ], + "index": 37 + }, + { + "bbox": [ + 106, + 636, + 504, + 648 + ], + "spans": [ + { + "bbox": [ + 106, + 636, + 467, + 648 + ], + "score": 1.0, + "content": "whose elements were randomly sampled from the standard Gaussian distribution. Here,", + "type": "text" + }, + { + "bbox": [ + 468, + 636, + 504, + 646 + ], + "score": 0.88, + "content": "K = 1 0", + "type": "inline_equation" + } + ], + "index": 38 + }, + { + "bbox": [ + 104, + 644, + 507, + 661 + ], + "spans": [ + { + "bbox": [ + 104, + 644, + 123, + 661 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 124, + 647, + 158, + 658 + ], + "score": 0.9, + "content": "C = 3 2", + "type": "inline_equation" + }, + { + "bbox": [ + 158, + 644, + 365, + 661 + ], + "score": 1.0, + "content": ". We treated the resulting single as the input signal", + "type": "text" + }, + { + "bbox": [ + 366, + 646, + 427, + 658 + ], + "score": 0.93, + "content": "X ^ { ( 0 ) } \\in \\mathbb { R } ^ { N \\times C }", + "type": "inline_equation" + }, + { + "bbox": [ + 428, + 644, + 507, + 661 + ], + "score": 1.0, + "content": ". We constructed a", + "type": "text" + } + ], + "index": 39 + }, + { + "bbox": [ + 105, + 658, + 506, + 671 + ], + "spans": [ + { + "bbox": [ + 105, + 658, + 151, + 671 + ], + "score": 1.0, + "content": "GCN with", + "type": "text" + }, + { + "bbox": [ + 151, + 659, + 185, + 669 + ], + "score": 0.89, + "content": "L = 1 0", + "type": "inline_equation" + }, + { + "bbox": [ + 186, + 658, + 231, + 671 + ], + "score": 1.0, + "content": "layers and", + "type": "text" + }, + { + "bbox": [ + 231, + 659, + 240, + 668 + ], + "score": 0.79, + "content": "C", + "type": "inline_equation" + }, + { + "bbox": [ + 241, + 658, + 506, + 671 + ], + "score": 1.0, + "content": "channels. All parameters were i.i.d. sampled from the Gaussian", + "type": "text" + } + ], + "index": 40 + }, + { + "bbox": [ + 106, + 669, + 505, + 681 + ], + "spans": [ + { + "bbox": [ + 106, + 669, + 409, + 681 + ], + "score": 1.0, + "content": "distribution whose standard deviation is same as the one used in LeCun et al.", + "type": "text" + }, + { + "bbox": [ + 409, + 669, + 444, + 681 + ], + "score": 0.74, + "content": "( 2 0 1 2 ) ^ { 1 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 444, + 669, + 505, + 681 + ], + "score": 1.0, + "content": "and multiplied", + "type": "text" + } + ], + "index": 41 + }, + { + "bbox": [ + 104, + 680, + 505, + 693 + ], + "spans": [ + { + "bbox": [ + 104, + 680, + 477, + 693 + ], + "score": 1.0, + "content": "a scalar to each weight matrix so that the largest singular value equals to a specified value", + "type": "text" + }, + { + "bbox": [ + 477, + 682, + 483, + 690 + ], + "score": 0.66, + "content": "s", + "type": "inline_equation" + }, + { + "bbox": [ + 483, + 680, + 505, + 693 + ], + "score": 1.0, + "content": ". We", + "type": "text" + } + ], + "index": 42 + }, + { + "bbox": [ + 105, + 691, + 505, + 704 + ], + "spans": [ + { + "bbox": [ + 105, + 691, + 212, + 704 + ], + "score": 1.0, + "content": "used three configurations", + "type": "text" + }, + { + "bbox": [ + 212, + 691, + 329, + 703 + ], + "score": 0.29, + "content": "( p , s ) = ( 0 . 1 , 0 . 1 ) \\overset { \\cdot } { , } ( 0 . 5 , 1 . \\overset { \\cdot } { 0 } )", + "type": "inline_equation" + }, + { + "bbox": [ + 329, + 691, + 384, + 704 + ], + "score": 1.0, + "content": ", (0.5, 10.0).", + "type": "text" + }, + { + "bbox": [ + 384, + 692, + 391, + 701 + ], + "score": 0.7, + "content": "\\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 392, + 691, + 505, + 704 + ], + "score": 1.0, + "content": "of the generated GCNs are", + "type": "text" + } + ], + "index": 43 + }, + { + "bbox": [ + 104, + 700, + 505, + 716 + ], + "spans": [ + { + "bbox": [ + 104, + 700, + 477, + 716 + ], + "score": 1.0, + "content": "0.063, 0.197, 0.194, respectively. See Appendix 6.2 for the results of other configurations of", + "type": "text" + }, + { + "bbox": [ + 478, + 702, + 500, + 714 + ], + "score": 0.92, + "content": "( p , s )", + "type": "inline_equation" + }, + { + "bbox": [ + 500, + 700, + 505, + 716 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 44 + } + ], + "index": 40, + "bbox_fs": [ + 104, + 613, + 507, + 716 + ] + } + ] + }, + { + "preproc_blocks": [ + { + "type": "table", + "bbox": [ + 152, + 113, + 458, + 171 + ], + "blocks": [ + { + "type": "table_caption", + "bbox": [ + 106, + 90, + 503, + 112 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 104, + 88, + 505, + 104 + ], + "spans": [ + { + "bbox": [ + 104, + 88, + 293, + 104 + ], + "score": 1.0, + "content": "Table 1: Dataset specifications. The threshold", + "type": "text" + }, + { + "bbox": [ + 293, + 90, + 311, + 101 + ], + "score": 0.89, + "content": "\\lambda ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 311, + 88, + 505, + 104 + ], + "score": 1.0, + "content": "in the table indicates the upper bound of Corol-", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 104, + 100, + 136, + 115 + ], + "spans": [ + { + "bbox": [ + 104, + 100, + 136, + 115 + ], + "score": 1.0, + "content": "lary 2.", + "type": "text" + } + ], + "index": 1 + } + ], + "index": 0.5 + }, + { + "type": "table_body", + "bbox": [ + 152, + 113, + 458, + 171 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 152, + 113, + 458, + 171 + ], + "spans": [ + { + "bbox": [ + 152, + 113, + 458, + 171 + ], + "score": 0.979, + "html": "
#Node#Edge#ClassChance RateThreshold λ-1
Cora27085429630.2%1+3.62 × 10-3
CiteSeer33124732721.1%1 + 1.25 × 10-3
PubMed1971744338339.9%1 + 9.57 × 10-3
", + "type": "table", + "image_path": "c6d48b13dcfd9e931066c5b04d7100274a1d08a14a6d14ae91c63888e263980c.jpg" + } + ] + } + ], + "index": 3, + "virtual_lines": [ + { + "bbox": [ + 152, + 113, + 458, + 132.33333333333334 + ], + "spans": [], + "index": 2 + }, + { + "bbox": [ + 152, + 132.33333333333334, + 458, + 151.66666666666669 + ], + "spans": [], + "index": 3 + }, + { + "bbox": [ + 152, + 151.66666666666669, + 458, + 171.00000000000003 + ], + "spans": [], + "index": 4 + } + ] + } + ], + "index": 1.75 + }, + { + "type": "table", + "bbox": [ + 156, + 216, + 454, + 284 + ], + "blocks": [ + { + "type": "table_caption", + "bbox": [ + 105, + 193, + 505, + 215 + ], + "group_id": 1, + "lines": [ + { + "bbox": [ + 105, + 192, + 506, + 207 + ], + "spans": [ + { + "bbox": [ + 105, + 192, + 401, + 207 + ], + "score": 1.0, + "content": "Table 2: Dataset specifications for noisy citation networks. The threshold", + "type": "text" + }, + { + "bbox": [ + 401, + 193, + 419, + 204 + ], + "score": 0.89, + "content": "\\lambda ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 419, + 192, + 506, + 207 + ], + "score": 1.0, + "content": "in the table indicates", + "type": "text" + } + ], + "index": 5 + }, + { + "bbox": [ + 106, + 204, + 235, + 217 + ], + "spans": [ + { + "bbox": [ + 106, + 204, + 235, + 217 + ], + "score": 1.0, + "content": "the upper bound of Corollary 2.", + "type": "text" + } + ], + "index": 6 + } + ], + "index": 5.5 + }, + { + "type": "table_body", + "bbox": [ + 156, + 216, + 454, + 284 + ], + "group_id": 1, + "lines": [ + { + "bbox": [ + 156, + 216, + 454, + 284 + ], + "spans": [ + { + "bbox": [ + 156, + 216, + 454, + 284 + ], + "score": 0.979, + "html": "
Original Dataset#Edge AddedThreshold λ-1
Noisy Cora 2500Cora24951.11
Noisy ( Cora 5000Cora49881.15
Noisy CiteSeerCiteSeer49911.13
Noisy PubMedPubMed249931.17
", + "type": "table", + "image_path": "d8e780ecbc0fa4e44cbb222c9e07cff879326aa7fcb26c3f08983e08f637de59.jpg" + } + ] + } + ], + "index": 8, + "virtual_lines": [ + { + "bbox": [ + 156, + 216, + 454, + 238.66666666666666 + ], + "spans": [], + "index": 7 + }, + { + "bbox": [ + 156, + 238.66666666666666, + 454, + 261.3333333333333 + ], + "spans": [], + "index": 8 + }, + { + "bbox": [ + 156, + 261.3333333333333, + 454, + 284.0 + ], + "spans": [], + "index": 9 + } + ] + } + ], + "index": 6.75 + }, + { + "type": "title", + "bbox": [ + 107, + 306, + 261, + 317 + ], + "lines": [ + { + "bbox": [ + 105, + 305, + 263, + 318 + ], + "spans": [ + { + "bbox": [ + 105, + 305, + 263, + 318 + ], + "score": 1.0, + "content": "H.3 EXPERIMENT OF SECTION 6.3", + "type": "text" + } + ], + "index": 10 + } + ], + "index": 10 + }, + { + "type": "title", + "bbox": [ + 107, + 327, + 182, + 339 + ], + "lines": [ + { + "bbox": [ + 106, + 327, + 183, + 340 + ], + "spans": [ + { + "bbox": [ + 106, + 327, + 183, + 340 + ], + "score": 1.0, + "content": "H.3.1 DATASET", + "type": "text" + } + ], + "index": 11 + } + ], + "index": 11 + }, + { + "type": "text", + "bbox": [ + 107, + 347, + 504, + 392 + ], + "lines": [ + { + "bbox": [ + 105, + 347, + 506, + 360 + ], + "spans": [ + { + "bbox": [ + 105, + 347, + 506, + 360 + ], + "score": 1.0, + "content": "We used the Cora (McCallum et al., 2000; Sen et al., 2008), CiteSeer (Giles et al., 1998; Sen et al.,", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 105, + 358, + 506, + 371 + ], + "spans": [ + { + "bbox": [ + 105, + 358, + 506, + 371 + ], + "score": 1.0, + "content": "2008), and PubMed(Sen et al., 2008) datasets for experiments. We obtained the preprocessed dataset", + "type": "text" + } + ], + "index": 13 + }, + { + "bbox": [ + 105, + 369, + 506, + 383 + ], + "spans": [ + { + "bbox": [ + 105, + 369, + 282, + 383 + ], + "score": 1.0, + "content": "from the code repository of Kipf & Welling", + "type": "text" + }, + { + "bbox": [ + 283, + 369, + 317, + 381 + ], + "score": 0.32, + "content": "( 2 0 1 7 ) ^ { \\hat { 1 } 2 }", + "type": "inline_equation" + }, + { + "bbox": [ + 317, + 369, + 506, + 383 + ], + "score": 1.0, + "content": ". Table 1 summarizes specifications of datasets", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 106, + 381, + 325, + 393 + ], + "spans": [ + { + "bbox": [ + 106, + 381, + 325, + 393 + ], + "score": 1.0, + "content": "and their noisy version (explained in the next section).", + "type": "text" + } + ], + "index": 15 + } + ], + "index": 13.5 + }, + { + "type": "text", + "bbox": [ + 106, + 397, + 505, + 486 + ], + "lines": [ + { + "bbox": [ + 105, + 396, + 506, + 411 + ], + "spans": [ + { + "bbox": [ + 105, + 396, + 506, + 411 + ], + "score": 1.0, + "content": "The Cora dataset is a citation network dataset consisting of 2708 papers and 5429 links. Each paper", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 105, + 409, + 506, + 421 + ], + "spans": [ + { + "bbox": [ + 105, + 409, + 506, + 421 + ], + "score": 1.0, + "content": "is represented as the occurence of 1433 unique words and is associated to one of 7 genres (Case", + "type": "text" + } + ], + "index": 17 + }, + { + "bbox": [ + 106, + 420, + 504, + 431 + ], + "spans": [ + { + "bbox": [ + 106, + 420, + 504, + 431 + ], + "score": 1.0, + "content": "Based, Genetic Algorithms, Neural Networks, Probabilistic Methods, Reinforcement Learning, Rule", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 106, + 431, + 505, + 443 + ], + "spans": [ + { + "bbox": [ + 106, + 431, + 505, + 443 + ], + "score": 1.0, + "content": "Learning, Theory). The graph made from the citation links has 78 connected components and the", + "type": "text" + } + ], + "index": 19 + }, + { + "bbox": [ + 105, + 442, + 505, + 454 + ], + "spans": [ + { + "bbox": [ + 105, + 442, + 455, + 454 + ], + "score": 1.0, + "content": "smallest positive eigenvalue of the augmented Normalized Laplacian is approximately", + "type": "text" + }, + { + "bbox": [ + 455, + 442, + 505, + 452 + ], + "score": 0.89, + "content": "\\tilde { \\mu } = 3 . 6 2 \\times", + "type": "inline_equation" + } + ], + "index": 20 + }, + { + "bbox": [ + 106, + 451, + 507, + 466 + ], + "spans": [ + { + "bbox": [ + 106, + 452, + 128, + 463 + ], + "score": 0.89, + "content": "1 0 ^ { - 3 }", + "type": "inline_equation" + }, + { + "bbox": [ + 128, + 451, + 312, + 466 + ], + "score": 1.0, + "content": ". Therefore, the upper bound of Theorem 2 is", + "type": "text" + }, + { + "bbox": [ + 312, + 452, + 467, + 464 + ], + "score": 0.92, + "content": "\\lambda ^ { - 1 } = ( \\bar { 1 - \\mu } ) ^ { - 1 } \\approx \\bar { 1 } + 3 . 6 2 \\times \\bar { 1 0 ^ { - 3 } }", + "type": "inline_equation" + }, + { + "bbox": [ + 467, + 451, + 507, + 466 + ], + "score": 1.0, + "content": ". 818 out", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 105, + 463, + 506, + 476 + ], + "spans": [ + { + "bbox": [ + 105, + 463, + 506, + 476 + ], + "score": 1.0, + "content": "of 2708 samples are labelled as “Probabilistic Methods”, which is the largest proportion. Therefore,", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 106, + 474, + 262, + 487 + ], + "spans": [ + { + "bbox": [ + 106, + 474, + 178, + 487 + ], + "score": 1.0, + "content": "the chance rate is", + "type": "text" + }, + { + "bbox": [ + 178, + 474, + 258, + 486 + ], + "score": 0.88, + "content": "8 1 8 / 2 7 0 8 = 3 0 . 2 \\%", + "type": "inline_equation" + }, + { + "bbox": [ + 259, + 474, + 262, + 487 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 23 + } + ], + "index": 19.5 + }, + { + "type": "text", + "bbox": [ + 106, + 491, + 505, + 568 + ], + "lines": [ + { + "bbox": [ + 105, + 491, + 506, + 504 + ], + "spans": [ + { + "bbox": [ + 105, + 491, + 506, + 504 + ], + "score": 1.0, + "content": "The CiteSeer dataset is a citation network dataset consisting of 3312 papers and 4732 links. Each", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 105, + 502, + 505, + 515 + ], + "spans": [ + { + "bbox": [ + 105, + 502, + 505, + 515 + ], + "score": 1.0, + "content": "paper is represented as the occurence of 3703 unique words and is associated to one of 6 genres", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 105, + 513, + 505, + 526 + ], + "spans": [ + { + "bbox": [ + 105, + 513, + 505, + 526 + ], + "score": 1.0, + "content": "(Agents, AI, DB, IR, ML, HCI). The graph made from the citation links has 438 connected compo-", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 105, + 524, + 504, + 537 + ], + "spans": [ + { + "bbox": [ + 105, + 524, + 504, + 537 + ], + "score": 1.0, + "content": "nents and the smallest positive eigenvalue of the augmented Normalized Laplacian is approximately", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 106, + 533, + 505, + 548 + ], + "spans": [ + { + "bbox": [ + 106, + 535, + 175, + 547 + ], + "score": 0.92, + "content": "\\tilde { \\mu } = 1 . 2 5 \\times 1 0 ^ { - 3 }", + "type": "inline_equation" + }, + { + "bbox": [ + 175, + 533, + 354, + 548 + ], + "score": 1.0, + "content": ". Therefore, the upper bound of Theorem 2 is", + "type": "text" + }, + { + "bbox": [ + 354, + 534, + 501, + 547 + ], + "score": 0.92, + "content": "\\lambda ^ { - 1 } = ( 1 - \\dot { \\tilde { \\mu } } ) ^ { - 1 } \\approx 1 + \\dot { 1 } . 2 5 \\times 1 0 ^ { - \\dot { 3 } }", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 533, + 505, + 548 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 28 + }, + { + "bbox": [ + 105, + 545, + 506, + 559 + ], + "spans": [ + { + "bbox": [ + 105, + 545, + 506, + 559 + ], + "score": 1.0, + "content": "701 out of 2708 samples are labelled as “IR”, which is the largest proportion. Therefore, the chance", + "type": "text" + } + ], + "index": 29 + }, + { + "bbox": [ + 105, + 557, + 217, + 569 + ], + "spans": [ + { + "bbox": [ + 105, + 557, + 134, + 569 + ], + "score": 1.0, + "content": "rate is", + "type": "text" + }, + { + "bbox": [ + 135, + 557, + 214, + 569 + ], + "score": 0.87, + "content": "7 0 1 / 3 3 1 2 = \\hat { 2 } 1 . 1 \\%", + "type": "inline_equation" + }, + { + "bbox": [ + 214, + 557, + 217, + 569 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 30 + } + ], + "index": 27 + }, + { + "type": "text", + "bbox": [ + 106, + 573, + 505, + 662 + ], + "lines": [ + { + "bbox": [ + 106, + 574, + 505, + 586 + ], + "spans": [ + { + "bbox": [ + 106, + 574, + 505, + 586 + ], + "score": 1.0, + "content": "The PubMed dataset is a citation network dataset consisting of 19717 papers and 44338 links. Each", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 104, + 585, + 506, + 598 + ], + "spans": [ + { + "bbox": [ + 104, + 585, + 506, + 598 + ], + "score": 1.0, + "content": "paper is represented as the occurence of 500 unique words and is associated to one of 3 genres", + "type": "text" + } + ], + "index": 32 + }, + { + "bbox": [ + 106, + 596, + 505, + 608 + ], + "spans": [ + { + "bbox": [ + 106, + 596, + 468, + 608 + ], + "score": 1.0, + "content": "(“Diabetes Mellitus, Experimental”, “Diabetes Mellitus Type 1”, “Diabetes Mellitus Type", + "type": "text" + }, + { + "bbox": [ + 468, + 596, + 479, + 606 + ], + "score": 0.5, + "content": "2 ^ { \\circ }", + "type": "inline_equation" + }, + { + "bbox": [ + 479, + 596, + 505, + 608 + ], + "score": 1.0, + "content": "). The", + "type": "text" + } + ], + "index": 33 + }, + { + "bbox": [ + 104, + 606, + 506, + 621 + ], + "spans": [ + { + "bbox": [ + 104, + 606, + 506, + 621 + ], + "score": 1.0, + "content": "graph made from the citation links has 438 connected components and the smallest positive eigen-", + "type": "text" + } + ], + "index": 34 + }, + { + "bbox": [ + 105, + 617, + 506, + 630 + ], + "spans": [ + { + "bbox": [ + 105, + 617, + 366, + 630 + ], + "score": 1.0, + "content": "value of the augmented Normalized Laplacian is approximately", + "type": "text" + }, + { + "bbox": [ + 366, + 617, + 440, + 629 + ], + "score": 0.9, + "content": "\\tilde { \\mu } = 9 . 4 8 \\times 1 0 ^ { - 3 }", + "type": "inline_equation" + }, + { + "bbox": [ + 440, + 617, + 506, + 630 + ], + "score": 1.0, + "content": ". Therefore, the", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 104, + 627, + 506, + 642 + ], + "spans": [ + { + "bbox": [ + 104, + 627, + 224, + 642 + ], + "score": 1.0, + "content": "upper bound of Theorem 2 is", + "type": "text" + }, + { + "bbox": [ + 225, + 628, + 376, + 641 + ], + "score": 0.93, + "content": "\\lambda ^ { - 1 } = ( \\bar { 1 ^ { - } } \\tilde { \\mu } ) ^ { - 1 } \\approx \\bar { 1 ^ { + } } 9 . 5 7 \\times \\bar { 1 0 ^ { - 3 } }", + "type": "inline_equation" + }, + { + "bbox": [ + 376, + 627, + 506, + 642 + ], + "score": 1.0, + "content": ". 7875 out of 19717 samples are", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 105, + 639, + 506, + 653 + ], + "spans": [ + { + "bbox": [ + 105, + 639, + 252, + 653 + ], + "score": 1.0, + "content": "labelled as “Diabetes Mellitus Type", + "type": "text" + }, + { + "bbox": [ + 253, + 641, + 263, + 650 + ], + "score": 0.7, + "content": "2 ^ { \\circ }", + "type": "inline_equation" + }, + { + "bbox": [ + 264, + 639, + 506, + 653 + ], + "score": 1.0, + "content": ", which is the largest proportion. Therefore, the chance rate", + "type": "text" + } + ], + "index": 37 + }, + { + "bbox": [ + 105, + 650, + 209, + 663 + ], + "spans": [ + { + "bbox": [ + 105, + 650, + 116, + 663 + ], + "score": 1.0, + "content": "is", + "type": "text" + }, + { + "bbox": [ + 116, + 651, + 206, + 663 + ], + "score": 0.85, + "content": "7 8 7 5 / 1 9 7 1 7 = 3 9 . 9 \\%", + "type": "inline_equation" + }, + { + "bbox": [ + 207, + 650, + 209, + 663 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 38 + } + ], + "index": 34.5 + }, + { + "type": "title", + "bbox": [ + 107, + 676, + 267, + 688 + ], + "lines": [ + { + "bbox": [ + 105, + 675, + 268, + 690 + ], + "spans": [ + { + "bbox": [ + 105, + 675, + 268, + 690 + ], + "score": 1.0, + "content": "H.3.2 NOISY CITATION NETWORKS", + "type": "text" + } + ], + "index": 39 + } + ], + "index": 39 + }, + { + "type": "text", + "bbox": [ + 107, + 697, + 375, + 709 + ], + "lines": [ + { + "bbox": [ + 106, + 696, + 375, + 709 + ], + "spans": [ + { + "bbox": [ + 106, + 696, + 375, + 709 + ], + "score": 1.0, + "content": "We summarize the properties of noisy citation networks in Table 2.", + "type": "text" + } + ], + "index": 40 + } + ], + "index": 40 + } + ], + "page_idx": 23, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 117, + 721, + 224, + 732 + ], + "lines": [ + { + "bbox": [ + 115, + 718, + 226, + 735 + ], + "spans": [ + { + "bbox": [ + 115, + 718, + 226, + 735 + ], + "score": 1.0, + "content": "12https://github.com/tkipf/gcn", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 107, + 27, + 293, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 300, + 751, + 311, + 760 + ], + "lines": [ + { + "bbox": [ + 298, + 750, + 313, + 765 + ], + "spans": [ + { + "bbox": [ + 298, + 750, + 313, + 765 + ], + "score": 1.0, + "content": "", + "type": "text", + "height": 15, + "width": 15 + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "table", + "bbox": [ + 152, + 113, + 458, + 171 + ], + "blocks": [ + { + "type": "table_caption", + "bbox": [ + 106, + 90, + 503, + 112 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 104, + 88, + 505, + 104 + ], + "spans": [ + { + "bbox": [ + 104, + 88, + 293, + 104 + ], + "score": 1.0, + "content": "Table 1: Dataset specifications. The threshold", + "type": "text" + }, + { + "bbox": [ + 293, + 90, + 311, + 101 + ], + "score": 0.89, + "content": "\\lambda ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 311, + 88, + 505, + 104 + ], + "score": 1.0, + "content": "in the table indicates the upper bound of Corol-", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 104, + 100, + 136, + 115 + ], + "spans": [ + { + "bbox": [ + 104, + 100, + 136, + 115 + ], + "score": 1.0, + "content": "lary 2.", + "type": "text" + } + ], + "index": 1 + } + ], + "index": 0.5 + }, + { + "type": "table_body", + "bbox": [ + 152, + 113, + 458, + 171 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 152, + 113, + 458, + 171 + ], + "spans": [ + { + "bbox": [ + 152, + 113, + 458, + 171 + ], + "score": 0.979, + "html": "
#Node#Edge#ClassChance RateThreshold λ-1
Cora27085429630.2%1+3.62 × 10-3
CiteSeer33124732721.1%1 + 1.25 × 10-3
PubMed1971744338339.9%1 + 9.57 × 10-3
", + "type": "table", + "image_path": "c6d48b13dcfd9e931066c5b04d7100274a1d08a14a6d14ae91c63888e263980c.jpg" + } + ] + } + ], + "index": 3, + "virtual_lines": [ + { + "bbox": [ + 152, + 113, + 458, + 132.33333333333334 + ], + "spans": [], + "index": 2 + }, + { + "bbox": [ + 152, + 132.33333333333334, + 458, + 151.66666666666669 + ], + "spans": [], + "index": 3 + }, + { + "bbox": [ + 152, + 151.66666666666669, + 458, + 171.00000000000003 + ], + "spans": [], + "index": 4 + } + ] + } + ], + "index": 1.75 + }, + { + "type": "table", + "bbox": [ + 156, + 216, + 454, + 284 + ], + "blocks": [ + { + "type": "table_caption", + "bbox": [ + 105, + 193, + 505, + 215 + ], + "group_id": 1, + "lines": [ + { + "bbox": [ + 105, + 192, + 506, + 207 + ], + "spans": [ + { + "bbox": [ + 105, + 192, + 401, + 207 + ], + "score": 1.0, + "content": "Table 2: Dataset specifications for noisy citation networks. The threshold", + "type": "text" + }, + { + "bbox": [ + 401, + 193, + 419, + 204 + ], + "score": 0.89, + "content": "\\lambda ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 419, + 192, + 506, + 207 + ], + "score": 1.0, + "content": "in the table indicates", + "type": "text" + } + ], + "index": 5 + }, + { + "bbox": [ + 106, + 204, + 235, + 217 + ], + "spans": [ + { + "bbox": [ + 106, + 204, + 235, + 217 + ], + "score": 1.0, + "content": "the upper bound of Corollary 2.", + "type": "text" + } + ], + "index": 6 + } + ], + "index": 5.5 + }, + { + "type": "table_body", + "bbox": [ + 156, + 216, + 454, + 284 + ], + "group_id": 1, + "lines": [ + { + "bbox": [ + 156, + 216, + 454, + 284 + ], + "spans": [ + { + "bbox": [ + 156, + 216, + 454, + 284 + ], + "score": 0.979, + "html": "
Original Dataset#Edge AddedThreshold λ-1
Noisy Cora 2500Cora24951.11
Noisy ( Cora 5000Cora49881.15
Noisy CiteSeerCiteSeer49911.13
Noisy PubMedPubMed249931.17
", + "type": "table", + "image_path": "d8e780ecbc0fa4e44cbb222c9e07cff879326aa7fcb26c3f08983e08f637de59.jpg" + } + ] + } + ], + "index": 8, + "virtual_lines": [ + { + "bbox": [ + 156, + 216, + 454, + 238.66666666666666 + ], + "spans": [], + "index": 7 + }, + { + "bbox": [ + 156, + 238.66666666666666, + 454, + 261.3333333333333 + ], + "spans": [], + "index": 8 + }, + { + "bbox": [ + 156, + 261.3333333333333, + 454, + 284.0 + ], + "spans": [], + "index": 9 + } + ] + } + ], + "index": 6.75 + }, + { + "type": "title", + "bbox": [ + 107, + 306, + 261, + 317 + ], + "lines": [ + { + "bbox": [ + 105, + 305, + 263, + 318 + ], + "spans": [ + { + "bbox": [ + 105, + 305, + 263, + 318 + ], + "score": 1.0, + "content": "H.3 EXPERIMENT OF SECTION 6.3", + "type": "text" + } + ], + "index": 10 + } + ], + "index": 10 + }, + { + "type": "title", + "bbox": [ + 107, + 327, + 182, + 339 + ], + "lines": [ + { + "bbox": [ + 106, + 327, + 183, + 340 + ], + "spans": [ + { + "bbox": [ + 106, + 327, + 183, + 340 + ], + "score": 1.0, + "content": "H.3.1 DATASET", + "type": "text" + } + ], + "index": 11 + } + ], + "index": 11 + }, + { + "type": "text", + "bbox": [ + 107, + 347, + 504, + 392 + ], + "lines": [ + { + "bbox": [ + 105, + 347, + 506, + 360 + ], + "spans": [ + { + "bbox": [ + 105, + 347, + 506, + 360 + ], + "score": 1.0, + "content": "We used the Cora (McCallum et al., 2000; Sen et al., 2008), CiteSeer (Giles et al., 1998; Sen et al.,", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 105, + 358, + 506, + 371 + ], + "spans": [ + { + "bbox": [ + 105, + 358, + 506, + 371 + ], + "score": 1.0, + "content": "2008), and PubMed(Sen et al., 2008) datasets for experiments. We obtained the preprocessed dataset", + "type": "text" + } + ], + "index": 13 + }, + { + "bbox": [ + 105, + 369, + 506, + 383 + ], + "spans": [ + { + "bbox": [ + 105, + 369, + 282, + 383 + ], + "score": 1.0, + "content": "from the code repository of Kipf & Welling", + "type": "text" + }, + { + "bbox": [ + 283, + 369, + 317, + 381 + ], + "score": 0.32, + "content": "( 2 0 1 7 ) ^ { \\hat { 1 } 2 }", + "type": "inline_equation" + }, + { + "bbox": [ + 317, + 369, + 506, + 383 + ], + "score": 1.0, + "content": ". Table 1 summarizes specifications of datasets", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 106, + 381, + 325, + 393 + ], + "spans": [ + { + "bbox": [ + 106, + 381, + 325, + 393 + ], + "score": 1.0, + "content": "and their noisy version (explained in the next section).", + "type": "text" + } + ], + "index": 15 + } + ], + "index": 13.5, + "bbox_fs": [ + 105, + 347, + 506, + 393 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 397, + 505, + 486 + ], + "lines": [ + { + "bbox": [ + 105, + 396, + 506, + 411 + ], + "spans": [ + { + "bbox": [ + 105, + 396, + 506, + 411 + ], + "score": 1.0, + "content": "The Cora dataset is a citation network dataset consisting of 2708 papers and 5429 links. Each paper", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 105, + 409, + 506, + 421 + ], + "spans": [ + { + "bbox": [ + 105, + 409, + 506, + 421 + ], + "score": 1.0, + "content": "is represented as the occurence of 1433 unique words and is associated to one of 7 genres (Case", + "type": "text" + } + ], + "index": 17 + }, + { + "bbox": [ + 106, + 420, + 504, + 431 + ], + "spans": [ + { + "bbox": [ + 106, + 420, + 504, + 431 + ], + "score": 1.0, + "content": "Based, Genetic Algorithms, Neural Networks, Probabilistic Methods, Reinforcement Learning, Rule", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 106, + 431, + 505, + 443 + ], + "spans": [ + { + "bbox": [ + 106, + 431, + 505, + 443 + ], + "score": 1.0, + "content": "Learning, Theory). The graph made from the citation links has 78 connected components and the", + "type": "text" + } + ], + "index": 19 + }, + { + "bbox": [ + 105, + 442, + 505, + 454 + ], + "spans": [ + { + "bbox": [ + 105, + 442, + 455, + 454 + ], + "score": 1.0, + "content": "smallest positive eigenvalue of the augmented Normalized Laplacian is approximately", + "type": "text" + }, + { + "bbox": [ + 455, + 442, + 505, + 452 + ], + "score": 0.89, + "content": "\\tilde { \\mu } = 3 . 6 2 \\times", + "type": "inline_equation" + } + ], + "index": 20 + }, + { + "bbox": [ + 106, + 451, + 507, + 466 + ], + "spans": [ + { + "bbox": [ + 106, + 452, + 128, + 463 + ], + "score": 0.89, + "content": "1 0 ^ { - 3 }", + "type": "inline_equation" + }, + { + "bbox": [ + 128, + 451, + 312, + 466 + ], + "score": 1.0, + "content": ". Therefore, the upper bound of Theorem 2 is", + "type": "text" + }, + { + "bbox": [ + 312, + 452, + 467, + 464 + ], + "score": 0.92, + "content": "\\lambda ^ { - 1 } = ( \\bar { 1 - \\mu } ) ^ { - 1 } \\approx \\bar { 1 } + 3 . 6 2 \\times \\bar { 1 0 ^ { - 3 } }", + "type": "inline_equation" + }, + { + "bbox": [ + 467, + 451, + 507, + 466 + ], + "score": 1.0, + "content": ". 818 out", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 105, + 463, + 506, + 476 + ], + "spans": [ + { + "bbox": [ + 105, + 463, + 506, + 476 + ], + "score": 1.0, + "content": "of 2708 samples are labelled as “Probabilistic Methods”, which is the largest proportion. Therefore,", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 106, + 474, + 262, + 487 + ], + "spans": [ + { + "bbox": [ + 106, + 474, + 178, + 487 + ], + "score": 1.0, + "content": "the chance rate is", + "type": "text" + }, + { + "bbox": [ + 178, + 474, + 258, + 486 + ], + "score": 0.88, + "content": "8 1 8 / 2 7 0 8 = 3 0 . 2 \\%", + "type": "inline_equation" + }, + { + "bbox": [ + 259, + 474, + 262, + 487 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 23 + } + ], + "index": 19.5, + "bbox_fs": [ + 105, + 396, + 507, + 487 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 491, + 505, + 568 + ], + "lines": [ + { + "bbox": [ + 105, + 491, + 506, + 504 + ], + "spans": [ + { + "bbox": [ + 105, + 491, + 506, + 504 + ], + "score": 1.0, + "content": "The CiteSeer dataset is a citation network dataset consisting of 3312 papers and 4732 links. Each", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 105, + 502, + 505, + 515 + ], + "spans": [ + { + "bbox": [ + 105, + 502, + 505, + 515 + ], + "score": 1.0, + "content": "paper is represented as the occurence of 3703 unique words and is associated to one of 6 genres", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 105, + 513, + 505, + 526 + ], + "spans": [ + { + "bbox": [ + 105, + 513, + 505, + 526 + ], + "score": 1.0, + "content": "(Agents, AI, DB, IR, ML, HCI). The graph made from the citation links has 438 connected compo-", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 105, + 524, + 504, + 537 + ], + "spans": [ + { + "bbox": [ + 105, + 524, + 504, + 537 + ], + "score": 1.0, + "content": "nents and the smallest positive eigenvalue of the augmented Normalized Laplacian is approximately", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 106, + 533, + 505, + 548 + ], + "spans": [ + { + "bbox": [ + 106, + 535, + 175, + 547 + ], + "score": 0.92, + "content": "\\tilde { \\mu } = 1 . 2 5 \\times 1 0 ^ { - 3 }", + "type": "inline_equation" + }, + { + "bbox": [ + 175, + 533, + 354, + 548 + ], + "score": 1.0, + "content": ". Therefore, the upper bound of Theorem 2 is", + "type": "text" + }, + { + "bbox": [ + 354, + 534, + 501, + 547 + ], + "score": 0.92, + "content": "\\lambda ^ { - 1 } = ( 1 - \\dot { \\tilde { \\mu } } ) ^ { - 1 } \\approx 1 + \\dot { 1 } . 2 5 \\times 1 0 ^ { - \\dot { 3 } }", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 533, + 505, + 548 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 28 + }, + { + "bbox": [ + 105, + 545, + 506, + 559 + ], + "spans": [ + { + "bbox": [ + 105, + 545, + 506, + 559 + ], + "score": 1.0, + "content": "701 out of 2708 samples are labelled as “IR”, which is the largest proportion. Therefore, the chance", + "type": "text" + } + ], + "index": 29 + }, + { + "bbox": [ + 105, + 557, + 217, + 569 + ], + "spans": [ + { + "bbox": [ + 105, + 557, + 134, + 569 + ], + "score": 1.0, + "content": "rate is", + "type": "text" + }, + { + "bbox": [ + 135, + 557, + 214, + 569 + ], + "score": 0.87, + "content": "7 0 1 / 3 3 1 2 = \\hat { 2 } 1 . 1 \\%", + "type": "inline_equation" + }, + { + "bbox": [ + 214, + 557, + 217, + 569 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 30 + } + ], + "index": 27, + "bbox_fs": [ + 105, + 491, + 506, + 569 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 573, + 505, + 662 + ], + "lines": [ + { + "bbox": [ + 106, + 574, + 505, + 586 + ], + "spans": [ + { + "bbox": [ + 106, + 574, + 505, + 586 + ], + "score": 1.0, + "content": "The PubMed dataset is a citation network dataset consisting of 19717 papers and 44338 links. Each", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 104, + 585, + 506, + 598 + ], + "spans": [ + { + "bbox": [ + 104, + 585, + 506, + 598 + ], + "score": 1.0, + "content": "paper is represented as the occurence of 500 unique words and is associated to one of 3 genres", + "type": "text" + } + ], + "index": 32 + }, + { + "bbox": [ + 106, + 596, + 505, + 608 + ], + "spans": [ + { + "bbox": [ + 106, + 596, + 468, + 608 + ], + "score": 1.0, + "content": "(“Diabetes Mellitus, Experimental”, “Diabetes Mellitus Type 1”, “Diabetes Mellitus Type", + "type": "text" + }, + { + "bbox": [ + 468, + 596, + 479, + 606 + ], + "score": 0.5, + "content": "2 ^ { \\circ }", + "type": "inline_equation" + }, + { + "bbox": [ + 479, + 596, + 505, + 608 + ], + "score": 1.0, + "content": "). The", + "type": "text" + } + ], + "index": 33 + }, + { + "bbox": [ + 104, + 606, + 506, + 621 + ], + "spans": [ + { + "bbox": [ + 104, + 606, + 506, + 621 + ], + "score": 1.0, + "content": "graph made from the citation links has 438 connected components and the smallest positive eigen-", + "type": "text" + } + ], + "index": 34 + }, + { + "bbox": [ + 105, + 617, + 506, + 630 + ], + "spans": [ + { + "bbox": [ + 105, + 617, + 366, + 630 + ], + "score": 1.0, + "content": "value of the augmented Normalized Laplacian is approximately", + "type": "text" + }, + { + "bbox": [ + 366, + 617, + 440, + 629 + ], + "score": 0.9, + "content": "\\tilde { \\mu } = 9 . 4 8 \\times 1 0 ^ { - 3 }", + "type": "inline_equation" + }, + { + "bbox": [ + 440, + 617, + 506, + 630 + ], + "score": 1.0, + "content": ". Therefore, the", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 104, + 627, + 506, + 642 + ], + "spans": [ + { + "bbox": [ + 104, + 627, + 224, + 642 + ], + "score": 1.0, + "content": "upper bound of Theorem 2 is", + "type": "text" + }, + { + "bbox": [ + 225, + 628, + 376, + 641 + ], + "score": 0.93, + "content": "\\lambda ^ { - 1 } = ( \\bar { 1 ^ { - } } \\tilde { \\mu } ) ^ { - 1 } \\approx \\bar { 1 ^ { + } } 9 . 5 7 \\times \\bar { 1 0 ^ { - 3 } }", + "type": "inline_equation" + }, + { + "bbox": [ + 376, + 627, + 506, + 642 + ], + "score": 1.0, + "content": ". 7875 out of 19717 samples are", + "type": "text" + } + ], + "index": 36 + }, + { + "bbox": [ + 105, + 639, + 506, + 653 + ], + "spans": [ + { + "bbox": [ + 105, + 639, + 252, + 653 + ], + "score": 1.0, + "content": "labelled as “Diabetes Mellitus Type", + "type": "text" + }, + { + "bbox": [ + 253, + 641, + 263, + 650 + ], + "score": 0.7, + "content": "2 ^ { \\circ }", + "type": "inline_equation" + }, + { + "bbox": [ + 264, + 639, + 506, + 653 + ], + "score": 1.0, + "content": ", which is the largest proportion. Therefore, the chance rate", + "type": "text" + } + ], + "index": 37 + }, + { + "bbox": [ + 105, + 650, + 209, + 663 + ], + "spans": [ + { + "bbox": [ + 105, + 650, + 116, + 663 + ], + "score": 1.0, + "content": "is", + "type": "text" + }, + { + "bbox": [ + 116, + 651, + 206, + 663 + ], + "score": 0.85, + "content": "7 8 7 5 / 1 9 7 1 7 = 3 9 . 9 \\%", + "type": "inline_equation" + }, + { + "bbox": [ + 207, + 650, + 209, + 663 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 38 + } + ], + "index": 34.5, + "bbox_fs": [ + 104, + 574, + 506, + 663 + ] + }, + { + "type": "title", + "bbox": [ + 107, + 676, + 267, + 688 + ], + "lines": [ + { + "bbox": [ + 105, + 675, + 268, + 690 + ], + "spans": [ + { + "bbox": [ + 105, + 675, + 268, + 690 + ], + "score": 1.0, + "content": "H.3.2 NOISY CITATION NETWORKS", + "type": "text" + } + ], + "index": 39 + } + ], + "index": 39 + }, + { + "type": "text", + "bbox": [ + 107, + 697, + 375, + 709 + ], + "lines": [ + { + "bbox": [ + 106, + 696, + 375, + 709 + ], + "spans": [ + { + "bbox": [ + 106, + 696, + 375, + 709 + ], + "score": 1.0, + "content": "We summarize the properties of noisy citation networks in Table 2.", + "type": "text" + } + ], + "index": 40 + } + ], + "index": 40, + "bbox_fs": [ + 106, + 696, + 375, + 709 + ] + } + ] + }, + { + "preproc_blocks": [ + { + "type": "image", + "bbox": [ + 124, + 86, + 486, + 323 + ], + "blocks": [ + { + "type": "image_body", + "bbox": [ + 124, + 86, + 486, + 323 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 124, + 86, + 486, + 323 + ], + "spans": [ + { + "bbox": [ + 124, + 86, + 486, + 323 + ], + "score": 0.976, + "type": "image", + "image_path": "33c624416452a1afbbaf1d3a06a17fe54c6e9a677c7771baa460eb82489179e5.jpg" + } + ] + } + ], + "index": 1, + "virtual_lines": [ + { + "bbox": [ + 124, + 86, + 486, + 165.0 + ], + "spans": [], + "index": 0 + }, + { + "bbox": [ + 124, + 165.0, + 486, + 244.0 + ], + "spans": [], + "index": 1 + }, + { + "bbox": [ + 124, + 244.0, + 486, + 323.0 + ], + "spans": [], + "index": 2 + } + ] + }, + { + "type": "image_caption", + "bbox": [ + 106, + 342, + 505, + 375 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 105, + 342, + 505, + 354 + ], + "spans": [ + { + "bbox": [ + 105, + 342, + 505, + 354 + ], + "score": 1.0, + "content": "Figure 5: Spectral distribution of Laplacian for the citation network datasets. Left: normalized", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 105, + 354, + 505, + 366 + ], + "spans": [ + { + "bbox": [ + 105, + 354, + 505, + 366 + ], + "score": 1.0, + "content": "Laplacian. Right: augmented normalized Laplacian. Top: Cora and Noisy Cora (2500, 5000).", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 105, + 363, + 261, + 376 + ], + "spans": [ + { + "bbox": [ + 105, + 363, + 261, + 376 + ], + "score": 1.0, + "content": "Bottom: CiteSeer and Noisy CiteSeer.", + "type": "text" + } + ], + "index": 5 + } + ], + "index": 4 + } + ], + "index": 2.5 + }, + { + "type": "text", + "bbox": [ + 106, + 397, + 505, + 508 + ], + "lines": [ + { + "bbox": [ + 105, + 396, + 505, + 411 + ], + "spans": [ + { + "bbox": [ + 105, + 396, + 505, + 411 + ], + "score": 1.0, + "content": "We created two datasets from the Cora dataset: Noisy Cora 2500 and Noisy Cora 5000. Noisy", + "type": "text" + } + ], + "index": 6 + }, + { + "bbox": [ + 105, + 408, + 505, + 421 + ], + "spans": [ + { + "bbox": [ + 105, + 408, + 505, + 421 + ], + "score": 1.0, + "content": "Cora 2500 is made from the Cora dataset by uniformly randomly adding 2500 edges, respectively.", + "type": "text" + } + ], + "index": 7 + }, + { + "bbox": [ + 106, + 419, + 506, + 432 + ], + "spans": [ + { + "bbox": [ + 106, + 419, + 506, + 432 + ], + "score": 1.0, + "content": "Since some random edges are overlapped with existing edges, the number of newly-added edges", + "type": "text" + } + ], + "index": 8 + }, + { + "bbox": [ + 105, + 430, + 505, + 444 + ], + "spans": [ + { + "bbox": [ + 105, + 430, + 505, + 444 + ], + "score": 1.0, + "content": "is 2495 in total. We only changed the underlying graph from the Cora dataset and did not change", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 105, + 441, + 506, + 454 + ], + "spans": [ + { + "bbox": [ + 105, + 441, + 506, + 454 + ], + "score": 1.0, + "content": "word occurences (feature vectors) and genres (labels). The underlying graph of the Noisy Cora", + "type": "text" + } + ], + "index": 10 + }, + { + "bbox": [ + 104, + 451, + 506, + 466 + ], + "spans": [ + { + "bbox": [ + 104, + 451, + 426, + 466 + ], + "score": 1.0, + "content": "dataset has two connected components and the smallest positive eigenvalue is", + "type": "text" + }, + { + "bbox": [ + 426, + 452, + 501, + 464 + ], + "score": 0.91, + "content": "\\tilde { \\mu } \\approx 9 . 6 2 \\times 1 0 ^ { - 2 }", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 451, + 506, + 466 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 105, + 462, + 506, + 476 + ], + "spans": [ + { + "bbox": [ + 105, + 462, + 506, + 476 + ], + "score": 1.0, + "content": "Therefore, the threshold of the maximum singular values of in Theorem 2 has been increased to", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 106, + 473, + 506, + 488 + ], + "spans": [ + { + "bbox": [ + 106, + 474, + 210, + 487 + ], + "score": 0.92, + "content": "\\lambda ^ { - 1 } = ( 1 - \\tilde { \\mu } ) ^ { - 1 } \\approx 1 . 1 1", + "type": "inline_equation" + }, + { + "bbox": [ + 211, + 473, + 506, + 488 + ], + "score": 1.0, + "content": ". Similarly, Noisy Cora 5000 was made by adding 5000 edges uniformaly", + "type": "text" + } + ], + "index": 13 + }, + { + "bbox": [ + 105, + 484, + 505, + 498 + ], + "spans": [ + { + "bbox": [ + 105, + 484, + 505, + 498 + ], + "score": 1.0, + "content": "randomly. The number of newly added edges is 4988 and the graph is connected (i.e., it has only 1", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 104, + 496, + 489, + 510 + ], + "spans": [ + { + "bbox": [ + 104, + 496, + 202, + 510 + ], + "score": 1.0, + "content": "connected component).", + "type": "text" + }, + { + "bbox": [ + 202, + 497, + 210, + 508 + ], + "score": 0.82, + "content": "\\tilde { \\mu }", + "type": "inline_equation" + }, + { + "bbox": [ + 210, + 496, + 227, + 510 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 228, + 497, + 235, + 507 + ], + "score": 0.78, + "content": "\\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 235, + 496, + 251, + 510 + ], + "score": 1.0, + "content": "are", + "type": "text" + }, + { + "bbox": [ + 251, + 496, + 322, + 508 + ], + "score": 0.92, + "content": "\\tilde { \\mu } \\approx 1 . \\bar { 3 } 2 \\times 1 0 ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 322, + 496, + 340, + 510 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 340, + 496, + 433, + 509 + ], + "score": 0.92, + "content": "\\lambda = \\bar { ( 1 - \\mu ) } ^ { - 1 } \\approx 1 . 1 5", + "type": "inline_equation" + }, + { + "bbox": [ + 434, + 496, + 489, + 510 + ], + "score": 1.0, + "content": ", respectively.", + "type": "text" + } + ], + "index": 15 + } + ], + "index": 10.5 + }, + { + "type": "text", + "bbox": [ + 106, + 513, + 505, + 601 + ], + "lines": [ + { + "bbox": [ + 106, + 513, + 505, + 526 + ], + "spans": [ + { + "bbox": [ + 106, + 513, + 505, + 526 + ], + "score": 1.0, + "content": "We made the noisy version of CiteSeer (Noisy CiteSeer) and PubMed (Noisy PubMed), in the sim-", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 105, + 524, + 505, + 536 + ], + "spans": [ + { + "bbox": [ + 105, + 524, + 505, + 536 + ], + "score": 1.0, + "content": "ilar way, by adding 5000 and 25000 edges uniformly randomly to the datasets. Since some random", + "type": "text" + } + ], + "index": 17 + }, + { + "bbox": [ + 105, + 535, + 505, + 548 + ], + "spans": [ + { + "bbox": [ + 105, + 535, + 505, + 548 + ], + "score": 1.0, + "content": "edges were overlapped with existing edges, 4991 and 24993 edges are newly added, respectively.", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 106, + 546, + 505, + 559 + ], + "spans": [ + { + "bbox": [ + 106, + 546, + 449, + 559 + ], + "score": 1.0, + "content": "This manipulation reduced the number of connected component of the graph to 3.", + "type": "text" + }, + { + "bbox": [ + 449, + 547, + 457, + 557 + ], + "score": 0.73, + "content": "\\tilde { \\mu }", + "type": "inline_equation" + }, + { + "bbox": [ + 457, + 546, + 505, + 559 + ], + "score": 1.0, + "content": "is approxi-", + "type": "text" + } + ], + "index": 19 + }, + { + "bbox": [ + 105, + 556, + 506, + 570 + ], + "spans": [ + { + "bbox": [ + 105, + 556, + 137, + 570 + ], + "score": 1.0, + "content": "mately", + "type": "text" + }, + { + "bbox": [ + 137, + 556, + 189, + 568 + ], + "score": 0.93, + "content": "1 . \\dot { 1 1 } \\times 1 0 ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 189, + 556, + 278, + 570 + ], + "score": 1.0, + "content": "(Noisy CiteSeer) and", + "type": "text" + }, + { + "bbox": [ + 279, + 556, + 330, + 568 + ], + "score": 0.91, + "content": "1 . 4 3 \\times 1 0 ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 331, + 556, + 419, + 570 + ], + "score": 1.0, + "content": "(Noisy PubMed) and", + "type": "text" + }, + { + "bbox": [ + 420, + 557, + 494, + 569 + ], + "score": 0.93, + "content": "\\lambda ^ { - 1 } = { \\bf \\bar { \\Phi } } ( 1 - \\bar { \\tilde { \\mu } } ) ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 495, + 556, + 506, + 570 + ], + "score": 1.0, + "content": "is", + "type": "text" + } + ], + "index": 20 + }, + { + "bbox": [ + 105, + 568, + 505, + 582 + ], + "spans": [ + { + "bbox": [ + 105, + 568, + 505, + 582 + ], + "score": 1.0, + "content": "approximately 1.13 (Noisy CiteSeer) and 1.17 (Noisy PubMed), respectively. Figure 5 (right) shows", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 105, + 578, + 505, + 592 + ], + "spans": [ + { + "bbox": [ + 105, + 578, + 505, + 592 + ], + "score": 1.0, + "content": "the spectral distribution of the augmented normalized Laplacian For comparison, we show in Figure", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 104, + 589, + 429, + 602 + ], + "spans": [ + { + "bbox": [ + 104, + 589, + 429, + 602 + ], + "score": 1.0, + "content": "5 (left) the spectral distribution of the normalized Laplacian for these datasets13.", + "type": "text" + } + ], + "index": 23 + } + ], + "index": 19.5 + }, + { + "type": "title", + "bbox": [ + 108, + 614, + 245, + 626 + ], + "lines": [ + { + "bbox": [ + 106, + 615, + 247, + 627 + ], + "spans": [ + { + "bbox": [ + 106, + 615, + 247, + 627 + ], + "score": 1.0, + "content": "H.3.3 MODEL ARCHITECTURE", + "type": "text" + } + ], + "index": 24 + } + ], + "index": 24 + }, + { + "type": "text", + "bbox": [ + 107, + 635, + 505, + 701 + ], + "lines": [ + { + "bbox": [ + 105, + 634, + 506, + 647 + ], + "spans": [ + { + "bbox": [ + 105, + 634, + 506, + 647 + ], + "score": 1.0, + "content": "We used a GCN consisting of a single node embedding layer, one to nine graph convolution layers,", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 105, + 645, + 506, + 658 + ], + "spans": [ + { + "bbox": [ + 105, + 645, + 506, + 658 + ], + "score": 1.0, + "content": "and a readout operation (Gilmer et al., 2017), which is a linear transformation common to all nodes", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 105, + 657, + 505, + 668 + ], + "spans": [ + { + "bbox": [ + 105, + 657, + 505, + 668 + ], + "score": 1.0, + "content": "in our case. We applied softmax function to the output of GCN. The output dimension of GCN", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 105, + 667, + 505, + 680 + ], + "spans": [ + { + "bbox": [ + 105, + 667, + 505, + 680 + ], + "score": 1.0, + "content": "is same as the number of classes (i.e., seven for Noisy Cora 2500/5000, six for Noisy CiteSeer,", + "type": "text" + } + ], + "index": 28 + }, + { + "bbox": [ + 105, + 677, + 506, + 691 + ], + "spans": [ + { + "bbox": [ + 105, + 677, + 506, + 691 + ], + "score": 1.0, + "content": "and three for Noisy PubMed). We treated the number of units in each graph convolution layer as", + "type": "text" + } + ], + "index": 29 + }, + { + "bbox": [ + 105, + 689, + 505, + 702 + ], + "spans": [ + { + "bbox": [ + 105, + 689, + 409, + 702 + ], + "score": 1.0, + "content": "a hyperparameter. Optionally, we specified the maximum singular values", + "type": "text" + }, + { + "bbox": [ + 410, + 691, + 416, + 699 + ], + "score": 0.62, + "content": "s", + "type": "inline_equation" + }, + { + "bbox": [ + 416, + 689, + 505, + 702 + ], + "score": 1.0, + "content": "of graph convolution", + "type": "text" + } + ], + "index": 30 + } + ], + "index": 27.5 + } + ], + "page_idx": 24, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 109, + 712, + 505, + 731 + ], + "lines": [ + { + "bbox": [ + 114, + 708, + 506, + 725 + ], + "spans": [ + { + "bbox": [ + 114, + 708, + 506, + 725 + ], + "score": 1.0, + "content": "13Due to computational resource problems, we cannot compute the spectral distributions for PubMed and", + "type": "text" + } + ] + }, + { + "bbox": [ + 106, + 720, + 164, + 733 + ], + "spans": [ + { + "bbox": [ + 106, + 720, + 164, + 733 + ], + "score": 1.0, + "content": "Noisy Pubmed.", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 108, + 27, + 293, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 300, + 751, + 311, + 760 + ], + "lines": [ + { + "bbox": [ + 298, + 750, + 313, + 764 + ], + "spans": [ + { + "bbox": [ + 298, + 750, + 313, + 764 + ], + "score": 1.0, + "content": "", + "type": "text", + "height": 14, + "width": 15 + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "image", + "bbox": [ + 124, + 86, + 486, + 323 + ], + "blocks": [ + { + "type": "image_body", + "bbox": [ + 124, + 86, + 486, + 323 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 124, + 86, + 486, + 323 + ], + "spans": [ + { + "bbox": [ + 124, + 86, + 486, + 323 + ], + "score": 0.976, + "type": "image", + "image_path": "33c624416452a1afbbaf1d3a06a17fe54c6e9a677c7771baa460eb82489179e5.jpg" + } + ] + } + ], + "index": 1, + "virtual_lines": [ + { + "bbox": [ + 124, + 86, + 486, + 165.0 + ], + "spans": [], + "index": 0 + }, + { + "bbox": [ + 124, + 165.0, + 486, + 244.0 + ], + "spans": [], + "index": 1 + }, + { + "bbox": [ + 124, + 244.0, + 486, + 323.0 + ], + "spans": [], + "index": 2 + } + ] + }, + { + "type": "image_caption", + "bbox": [ + 106, + 342, + 505, + 375 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 105, + 342, + 505, + 354 + ], + "spans": [ + { + "bbox": [ + 105, + 342, + 505, + 354 + ], + "score": 1.0, + "content": "Figure 5: Spectral distribution of Laplacian for the citation network datasets. Left: normalized", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 105, + 354, + 505, + 366 + ], + "spans": [ + { + "bbox": [ + 105, + 354, + 505, + 366 + ], + "score": 1.0, + "content": "Laplacian. Right: augmented normalized Laplacian. Top: Cora and Noisy Cora (2500, 5000).", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 105, + 363, + 261, + 376 + ], + "spans": [ + { + "bbox": [ + 105, + 363, + 261, + 376 + ], + "score": 1.0, + "content": "Bottom: CiteSeer and Noisy CiteSeer.", + "type": "text" + } + ], + "index": 5 + } + ], + "index": 4 + } + ], + "index": 2.5 + }, + { + "type": "text", + "bbox": [ + 106, + 397, + 505, + 508 + ], + "lines": [ + { + "bbox": [ + 105, + 396, + 505, + 411 + ], + "spans": [ + { + "bbox": [ + 105, + 396, + 505, + 411 + ], + "score": 1.0, + "content": "We created two datasets from the Cora dataset: Noisy Cora 2500 and Noisy Cora 5000. Noisy", + "type": "text" + } + ], + "index": 6 + }, + { + "bbox": [ + 105, + 408, + 505, + 421 + ], + "spans": [ + { + "bbox": [ + 105, + 408, + 505, + 421 + ], + "score": 1.0, + "content": "Cora 2500 is made from the Cora dataset by uniformly randomly adding 2500 edges, respectively.", + "type": "text" + } + ], + "index": 7 + }, + { + "bbox": [ + 106, + 419, + 506, + 432 + ], + "spans": [ + { + "bbox": [ + 106, + 419, + 506, + 432 + ], + "score": 1.0, + "content": "Since some random edges are overlapped with existing edges, the number of newly-added edges", + "type": "text" + } + ], + "index": 8 + }, + { + "bbox": [ + 105, + 430, + 505, + 444 + ], + "spans": [ + { + "bbox": [ + 105, + 430, + 505, + 444 + ], + "score": 1.0, + "content": "is 2495 in total. We only changed the underlying graph from the Cora dataset and did not change", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 105, + 441, + 506, + 454 + ], + "spans": [ + { + "bbox": [ + 105, + 441, + 506, + 454 + ], + "score": 1.0, + "content": "word occurences (feature vectors) and genres (labels). The underlying graph of the Noisy Cora", + "type": "text" + } + ], + "index": 10 + }, + { + "bbox": [ + 104, + 451, + 506, + 466 + ], + "spans": [ + { + "bbox": [ + 104, + 451, + 426, + 466 + ], + "score": 1.0, + "content": "dataset has two connected components and the smallest positive eigenvalue is", + "type": "text" + }, + { + "bbox": [ + 426, + 452, + 501, + 464 + ], + "score": 0.91, + "content": "\\tilde { \\mu } \\approx 9 . 6 2 \\times 1 0 ^ { - 2 }", + "type": "inline_equation" + }, + { + "bbox": [ + 501, + 451, + 506, + 466 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 105, + 462, + 506, + 476 + ], + "spans": [ + { + "bbox": [ + 105, + 462, + 506, + 476 + ], + "score": 1.0, + "content": "Therefore, the threshold of the maximum singular values of in Theorem 2 has been increased to", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 106, + 473, + 506, + 488 + ], + "spans": [ + { + "bbox": [ + 106, + 474, + 210, + 487 + ], + "score": 0.92, + "content": "\\lambda ^ { - 1 } = ( 1 - \\tilde { \\mu } ) ^ { - 1 } \\approx 1 . 1 1", + "type": "inline_equation" + }, + { + "bbox": [ + 211, + 473, + 506, + 488 + ], + "score": 1.0, + "content": ". Similarly, Noisy Cora 5000 was made by adding 5000 edges uniformaly", + "type": "text" + } + ], + "index": 13 + }, + { + "bbox": [ + 105, + 484, + 505, + 498 + ], + "spans": [ + { + "bbox": [ + 105, + 484, + 505, + 498 + ], + "score": 1.0, + "content": "randomly. The number of newly added edges is 4988 and the graph is connected (i.e., it has only 1", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 104, + 496, + 489, + 510 + ], + "spans": [ + { + "bbox": [ + 104, + 496, + 202, + 510 + ], + "score": 1.0, + "content": "connected component).", + "type": "text" + }, + { + "bbox": [ + 202, + 497, + 210, + 508 + ], + "score": 0.82, + "content": "\\tilde { \\mu }", + "type": "inline_equation" + }, + { + "bbox": [ + 210, + 496, + 227, + 510 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 228, + 497, + 235, + 507 + ], + "score": 0.78, + "content": "\\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 235, + 496, + 251, + 510 + ], + "score": 1.0, + "content": "are", + "type": "text" + }, + { + "bbox": [ + 251, + 496, + 322, + 508 + ], + "score": 0.92, + "content": "\\tilde { \\mu } \\approx 1 . \\bar { 3 } 2 \\times 1 0 ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 322, + 496, + 340, + 510 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 340, + 496, + 433, + 509 + ], + "score": 0.92, + "content": "\\lambda = \\bar { ( 1 - \\mu ) } ^ { - 1 } \\approx 1 . 1 5", + "type": "inline_equation" + }, + { + "bbox": [ + 434, + 496, + 489, + 510 + ], + "score": 1.0, + "content": ", respectively.", + "type": "text" + } + ], + "index": 15 + } + ], + "index": 10.5, + "bbox_fs": [ + 104, + 396, + 506, + 510 + ] + }, + { + "type": "text", + "bbox": [ + 106, + 513, + 505, + 601 + ], + "lines": [ + { + "bbox": [ + 106, + 513, + 505, + 526 + ], + "spans": [ + { + "bbox": [ + 106, + 513, + 505, + 526 + ], + "score": 1.0, + "content": "We made the noisy version of CiteSeer (Noisy CiteSeer) and PubMed (Noisy PubMed), in the sim-", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 105, + 524, + 505, + 536 + ], + "spans": [ + { + "bbox": [ + 105, + 524, + 505, + 536 + ], + "score": 1.0, + "content": "ilar way, by adding 5000 and 25000 edges uniformly randomly to the datasets. Since some random", + "type": "text" + } + ], + "index": 17 + }, + { + "bbox": [ + 105, + 535, + 505, + 548 + ], + "spans": [ + { + "bbox": [ + 105, + 535, + 505, + 548 + ], + "score": 1.0, + "content": "edges were overlapped with existing edges, 4991 and 24993 edges are newly added, respectively.", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 106, + 546, + 505, + 559 + ], + "spans": [ + { + "bbox": [ + 106, + 546, + 449, + 559 + ], + "score": 1.0, + "content": "This manipulation reduced the number of connected component of the graph to 3.", + "type": "text" + }, + { + "bbox": [ + 449, + 547, + 457, + 557 + ], + "score": 0.73, + "content": "\\tilde { \\mu }", + "type": "inline_equation" + }, + { + "bbox": [ + 457, + 546, + 505, + 559 + ], + "score": 1.0, + "content": "is approxi-", + "type": "text" + } + ], + "index": 19 + }, + { + "bbox": [ + 105, + 556, + 506, + 570 + ], + "spans": [ + { + "bbox": [ + 105, + 556, + 137, + 570 + ], + "score": 1.0, + "content": "mately", + "type": "text" + }, + { + "bbox": [ + 137, + 556, + 189, + 568 + ], + "score": 0.93, + "content": "1 . \\dot { 1 1 } \\times 1 0 ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 189, + 556, + 278, + 570 + ], + "score": 1.0, + "content": "(Noisy CiteSeer) and", + "type": "text" + }, + { + "bbox": [ + 279, + 556, + 330, + 568 + ], + "score": 0.91, + "content": "1 . 4 3 \\times 1 0 ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 331, + 556, + 419, + 570 + ], + "score": 1.0, + "content": "(Noisy PubMed) and", + "type": "text" + }, + { + "bbox": [ + 420, + 557, + 494, + 569 + ], + "score": 0.93, + "content": "\\lambda ^ { - 1 } = { \\bf \\bar { \\Phi } } ( 1 - \\bar { \\tilde { \\mu } } ) ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 495, + 556, + 506, + 570 + ], + "score": 1.0, + "content": "is", + "type": "text" + } + ], + "index": 20 + }, + { + "bbox": [ + 105, + 568, + 505, + 582 + ], + "spans": [ + { + "bbox": [ + 105, + 568, + 505, + 582 + ], + "score": 1.0, + "content": "approximately 1.13 (Noisy CiteSeer) and 1.17 (Noisy PubMed), respectively. Figure 5 (right) shows", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 105, + 578, + 505, + 592 + ], + "spans": [ + { + "bbox": [ + 105, + 578, + 505, + 592 + ], + "score": 1.0, + "content": "the spectral distribution of the augmented normalized Laplacian For comparison, we show in Figure", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 104, + 589, + 429, + 602 + ], + "spans": [ + { + "bbox": [ + 104, + 589, + 429, + 602 + ], + "score": 1.0, + "content": "5 (left) the spectral distribution of the normalized Laplacian for these datasets13.", + "type": "text" + } + ], + "index": 23 + } + ], + "index": 19.5, + "bbox_fs": [ + 104, + 513, + 506, + 602 + ] + }, + { + "type": "title", + "bbox": [ + 108, + 614, + 245, + 626 + ], + "lines": [ + { + "bbox": [ + 106, + 615, + 247, + 627 + ], + "spans": [ + { + "bbox": [ + 106, + 615, + 247, + 627 + ], + "score": 1.0, + "content": "H.3.3 MODEL ARCHITECTURE", + "type": "text" + } + ], + "index": 24 + } + ], + "index": 24 + }, + { + "type": "text", + "bbox": [ + 107, + 635, + 505, + 701 + ], + "lines": [ + { + "bbox": [ + 105, + 634, + 506, + 647 + ], + "spans": [ + { + "bbox": [ + 105, + 634, + 506, + 647 + ], + "score": 1.0, + "content": "We used a GCN consisting of a single node embedding layer, one to nine graph convolution layers,", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 105, + 645, + 506, + 658 + ], + "spans": [ + { + "bbox": [ + 105, + 645, + 506, + 658 + ], + "score": 1.0, + "content": "and a readout operation (Gilmer et al., 2017), which is a linear transformation common to all nodes", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 105, + 657, + 505, + 668 + ], + "spans": [ + { + "bbox": [ + 105, + 657, + 505, + 668 + ], + "score": 1.0, + "content": "in our case. We applied softmax function to the output of GCN. The output dimension of GCN", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 105, + 667, + 505, + 680 + ], + "spans": [ + { + "bbox": [ + 105, + 667, + 505, + 680 + ], + "score": 1.0, + "content": "is same as the number of classes (i.e., seven for Noisy Cora 2500/5000, six for Noisy CiteSeer,", + "type": "text" + } + ], + "index": 28 + }, + { + "bbox": [ + 105, + 677, + 506, + 691 + ], + "spans": [ + { + "bbox": [ + 105, + 677, + 506, + 691 + ], + "score": 1.0, + "content": "and three for Noisy PubMed). We treated the number of units in each graph convolution layer as", + "type": "text" + } + ], + "index": 29 + }, + { + "bbox": [ + 105, + 689, + 505, + 702 + ], + "spans": [ + { + "bbox": [ + 105, + 689, + 409, + 702 + ], + "score": 1.0, + "content": "a hyperparameter. Optionally, we specified the maximum singular values", + "type": "text" + }, + { + "bbox": [ + 410, + 691, + 416, + 699 + ], + "score": 0.62, + "content": "s", + "type": "inline_equation" + }, + { + "bbox": [ + 416, + 689, + 505, + 702 + ], + "score": 1.0, + "content": "of graph convolution", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 105, + 212, + 505, + 225 + ], + "spans": [ + { + "bbox": [ + 105, + 212, + 194, + 225 + ], + "score": 1.0, + "content": "layers. The choice of", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 195, + 216, + 201, + 223 + ], + "score": 0.75, + "content": "s", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 201, + 212, + 321, + 225 + ], + "score": 1.0, + "content": "is either 0.5 (smaller than 1),", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 321, + 214, + 331, + 224 + ], + "score": 0.83, + "content": "s _ { 1 }", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 332, + 212, + 394, + 225 + ], + "score": 1.0, + "content": "(in the interval", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 395, + 213, + 460, + 225 + ], + "score": 0.9, + "content": "\\{ 1 \\leq s < \\lambda ^ { - 1 } \\}", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 461, + 212, + 505, + 225 + ], + "score": 1.0, + "content": "), 3 and 10", + "type": "text", + "cross_page": true + } + ], + "index": 6 + }, + { + "bbox": [ + 106, + 223, + 505, + 236 + ], + "spans": [ + { + "bbox": [ + 106, + 223, + 156, + 236 + ], + "score": 1.0, + "content": "(larger than", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 156, + 223, + 174, + 235 + ], + "score": 0.92, + "content": "\\lambda ^ { - 1 }", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 174, + 223, + 220, + 236 + ], + "score": 1.0, + "content": "). We used", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 221, + 225, + 264, + 235 + ], + "score": 0.9, + "content": "s _ { 1 } = 1 . 0 5", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 264, + 223, + 505, + 236 + ], + "score": 1.0, + "content": "for Noisy Cora 2500, Noisy CiteSeer, and Noisy PubMed,", + "type": "text", + "cross_page": true + } + ], + "index": 7 + }, + { + "bbox": [ + 106, + 235, + 505, + 248 + ], + "spans": [ + { + "bbox": [ + 106, + 235, + 123, + 248 + ], + "score": 1.0, + "content": "and", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 123, + 236, + 160, + 246 + ], + "score": 0.9, + "content": "s _ { 1 } = 1 . 1", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 160, + 235, + 355, + 248 + ], + "score": 1.0, + "content": "for Noisy Cora 5000 and Noisy CiteSeer so that", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 355, + 236, + 366, + 246 + ], + "score": 0.85, + "content": "s _ { 1 }", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 366, + 235, + 505, + 248 + ], + "score": 1.0, + "content": "is not close to the edges of the the", + "type": "text", + "cross_page": true + } + ], + "index": 8 + }, + { + "bbox": [ + 106, + 245, + 207, + 258 + ], + "spans": [ + { + "bbox": [ + 106, + 245, + 139, + 258 + ], + "score": 1.0, + "content": "interval", + "type": "text", + "cross_page": true + }, + { + "bbox": [ + 140, + 246, + 203, + 258 + ], + "score": 0.93, + "content": "\\{ 1 \\leq s < \\lambda ^ { - 1 } \\}", + "type": "inline_equation", + "cross_page": true + }, + { + "bbox": [ + 203, + 245, + 207, + 258 + ], + "score": 1.0, + "content": ".", + "type": "text", + "cross_page": true + } + ], + "index": 9 + } + ], + "index": 27.5, + "bbox_fs": [ + 105, + 634, + 506, + 702 + ] + } + ] + }, + { + "preproc_blocks": [ + { + "type": "table", + "bbox": [ + 177, + 124, + 434, + 192 + ], + "blocks": [ + { + "type": "table_caption", + "bbox": [ + 106, + 91, + 504, + 124 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 105, + 90, + 505, + 104 + ], + "spans": [ + { + "bbox": [ + 105, + 90, + 354, + 104 + ], + "score": 1.0, + "content": "Table 3: Hyperparameters of the experiment in Section 6.3.", + "type": "text" + }, + { + "bbox": [ + 354, + 90, + 455, + 103 + ], + "score": 0.88, + "content": "X \\sim \\mathrm { L o g U n i f } [ 1 0 ^ { a } , 1 0 ^ { b } ]", + "type": "inline_equation" + }, + { + "bbox": [ + 455, + 90, + 505, + 104 + ], + "score": 1.0, + "content": "denotes the", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 105, + 101, + 506, + 115 + ], + "spans": [ + { + "bbox": [ + 105, + 101, + 174, + 115 + ], + "score": 1.0, + "content": "random variable", + "type": "text" + }, + { + "bbox": [ + 174, + 102, + 208, + 114 + ], + "score": 0.92, + "content": "\\log _ { 1 0 } X", + "type": "inline_equation" + }, + { + "bbox": [ + 208, + 101, + 353, + 115 + ], + "score": 1.0, + "content": "obeys the uniform distribution over", + "type": "text" + }, + { + "bbox": [ + 353, + 102, + 374, + 114 + ], + "score": 0.87, + "content": "[ a , b ]", + "type": "inline_equation" + }, + { + "bbox": [ + 374, + 101, + 506, + 115 + ], + "score": 1.0, + "content": ". “Learning rate” corresponds to", + "type": "text" + } + ], + "index": 1 + }, + { + "bbox": [ + 107, + 113, + 373, + 125 + ], + "spans": [ + { + "bbox": [ + 107, + 115, + 114, + 123 + ], + "score": 0.71, + "content": "\\alpha", + "type": "inline_equation" + }, + { + "bbox": [ + 114, + 113, + 373, + 125 + ], + "score": 1.0, + "content": "when “Optimization algorithm” is Adam (Kingma & Ba, 2015).", + "type": "text" + } + ], + "index": 2 + } + ], + "index": 1 + }, + { + "type": "table_body", + "bbox": [ + 177, + 124, + 434, + 192 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 177, + 124, + 434, + 192 + ], + "spans": [ + { + "bbox": [ + 177, + 124, + 434, + 192 + ], + "score": 0.979, + "html": "
NameValue
Unit size{10,20,..., 500}
Epoch{10,20,...,100}
Optimization algorithm{SGD,MomentumSGD,Adam}
Learning rateLogUnif[10-5,10-2]
", + "type": "table", + "image_path": "80ab11f7788859aa5cff8fafb447d24232326adb5a8f87e277a4cff910d30034.jpg" + } + ] + } + ], + "index": 4, + "virtual_lines": [ + { + "bbox": [ + 177, + 124, + 434, + 146.66666666666666 + ], + "spans": [], + "index": 3 + }, + { + "bbox": [ + 177, + 146.66666666666666, + 434, + 169.33333333333331 + ], + "spans": [], + "index": 4 + }, + { + "bbox": [ + 177, + 169.33333333333331, + 434, + 191.99999999999997 + ], + "spans": [], + "index": 5 + } + ] + } + ], + "index": 2.5 + }, + { + "type": "text", + "bbox": [ + 106, + 213, + 505, + 258 + ], + "lines": [ + { + "bbox": [ + 105, + 212, + 505, + 225 + ], + "spans": [ + { + "bbox": [ + 105, + 212, + 194, + 225 + ], + "score": 1.0, + "content": "layers. The choice of", + "type": "text" + }, + { + "bbox": [ + 195, + 216, + 201, + 223 + ], + "score": 0.75, + "content": "s", + "type": "inline_equation" + }, + { + "bbox": [ + 201, + 212, + 321, + 225 + ], + "score": 1.0, + "content": "is either 0.5 (smaller than 1),", + "type": "text" + }, + { + "bbox": [ + 321, + 214, + 331, + 224 + ], + "score": 0.83, + "content": "s _ { 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 332, + 212, + 394, + 225 + ], + "score": 1.0, + "content": "(in the interval", + "type": "text" + }, + { + "bbox": [ + 395, + 213, + 460, + 225 + ], + "score": 0.9, + "content": "\\{ 1 \\leq s < \\lambda ^ { - 1 } \\}", + "type": "inline_equation" + }, + { + "bbox": [ + 461, + 212, + 505, + 225 + ], + "score": 1.0, + "content": "), 3 and 10", + "type": "text" + } + ], + "index": 6 + }, + { + "bbox": [ + 106, + 223, + 505, + 236 + ], + "spans": [ + { + "bbox": [ + 106, + 223, + 156, + 236 + ], + "score": 1.0, + "content": "(larger than", + "type": "text" + }, + { + "bbox": [ + 156, + 223, + 174, + 235 + ], + "score": 0.92, + "content": "\\lambda ^ { - 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 174, + 223, + 220, + 236 + ], + "score": 1.0, + "content": "). We used", + "type": "text" + }, + { + "bbox": [ + 221, + 225, + 264, + 235 + ], + "score": 0.9, + "content": "s _ { 1 } = 1 . 0 5", + "type": "inline_equation" + }, + { + "bbox": [ + 264, + 223, + 505, + 236 + ], + "score": 1.0, + "content": "for Noisy Cora 2500, Noisy CiteSeer, and Noisy PubMed,", + "type": "text" + } + ], + "index": 7 + }, + { + "bbox": [ + 106, + 235, + 505, + 248 + ], + "spans": [ + { + "bbox": [ + 106, + 235, + 123, + 248 + ], + "score": 1.0, + "content": "and", + "type": "text" + }, + { + "bbox": [ + 123, + 236, + 160, + 246 + ], + "score": 0.9, + "content": "s _ { 1 } = 1 . 1", + "type": "inline_equation" + }, + { + "bbox": [ + 160, + 235, + 355, + 248 + ], + "score": 1.0, + "content": "for Noisy Cora 5000 and Noisy CiteSeer so that", + "type": "text" + }, + { + "bbox": [ + 355, + 236, + 366, + 246 + ], + "score": 0.85, + "content": "s _ { 1 }", + "type": "inline_equation" + }, + { + "bbox": [ + 366, + 235, + 505, + 248 + ], + "score": 1.0, + "content": "is not close to the edges of the the", + "type": "text" + } + ], + "index": 8 + }, + { + "bbox": [ + 106, + 245, + 207, + 258 + ], + "spans": [ + { + "bbox": [ + 106, + 245, + 139, + 258 + ], + "score": 1.0, + "content": "interval", + "type": "text" + }, + { + "bbox": [ + 140, + 246, + 203, + 258 + ], + "score": 0.93, + "content": "\\{ 1 \\leq s < \\lambda ^ { - 1 } \\}", + "type": "inline_equation" + }, + { + "bbox": [ + 203, + 245, + 207, + 258 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 9 + } + ], + "index": 7.5 + }, + { + "type": "title", + "bbox": [ + 109, + 270, + 320, + 282 + ], + "lines": [ + { + "bbox": [ + 106, + 270, + 322, + 283 + ], + "spans": [ + { + "bbox": [ + 106, + 270, + 322, + 283 + ], + "score": 1.0, + "content": "H.3.4 PERFORMANCE EVALUATION PROCEDURE", + "type": "text" + } + ], + "index": 10 + } + ], + "index": 10 + }, + { + "type": "text", + "bbox": [ + 107, + 289, + 505, + 378 + ], + "lines": [ + { + "bbox": [ + 105, + 289, + 505, + 303 + ], + "spans": [ + { + "bbox": [ + 105, + 289, + 505, + 303 + ], + "score": 1.0, + "content": "We split all nodes in a graph (either Noisy Cora 2500/5000 or Noisy CiteSeer) into training, val-", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 105, + 300, + 505, + 313 + ], + "spans": [ + { + "bbox": [ + 105, + 300, + 505, + 313 + ], + "score": 1.0, + "content": "idation, and test sets. Data split is the same as the one done by Kipf & Welling (2017). This", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 105, + 312, + 505, + 325 + ], + "spans": [ + { + "bbox": [ + 105, + 312, + 505, + 325 + ], + "score": 1.0, + "content": "is a transductive learning (Pan & Yang, 2010) setting because we can use node properties of the", + "type": "text" + } + ], + "index": 13 + }, + { + "bbox": [ + 105, + 322, + 505, + 336 + ], + "spans": [ + { + "bbox": [ + 105, + 322, + 505, + 336 + ], + "score": 1.0, + "content": "validation and test data during training. We trained the model three times for each choice of hyper-", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 105, + 334, + 505, + 346 + ], + "spans": [ + { + "bbox": [ + 105, + 334, + 505, + 346 + ], + "score": 1.0, + "content": "paremeters using the training set and defined the objective function as the average accuracy on the", + "type": "text" + } + ], + "index": 15 + }, + { + "bbox": [ + 105, + 344, + 505, + 358 + ], + "spans": [ + { + "bbox": [ + 105, + 344, + 505, + 358 + ], + "score": 1.0, + "content": "validation set. We chose the combination of hyperparameters that achieves the best value of objec-", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 105, + 356, + 505, + 369 + ], + "spans": [ + { + "bbox": [ + 105, + 356, + 505, + 369 + ], + "score": 1.0, + "content": "tive function. We evaluate the accuracy of the test dataset three times using the chosen combination", + "type": "text" + } + ], + "index": 17 + }, + { + "bbox": [ + 106, + 367, + 408, + 379 + ], + "spans": [ + { + "bbox": [ + 106, + 367, + 408, + 379 + ], + "score": 1.0, + "content": "of hyperparameters and computed their average and the standard deviation.", + "type": "text" + } + ], + "index": 18 + } + ], + "index": 14.5 + }, + { + "type": "title", + "bbox": [ + 107, + 391, + 186, + 402 + ], + "lines": [ + { + "bbox": [ + 106, + 391, + 187, + 404 + ], + "spans": [ + { + "bbox": [ + 106, + 391, + 187, + 404 + ], + "score": 1.0, + "content": "H.3.5 TRAINING", + "type": "text" + } + ], + "index": 19 + } + ], + "index": 19 + }, + { + "type": "text", + "bbox": [ + 107, + 411, + 505, + 466 + ], + "lines": [ + { + "bbox": [ + 106, + 411, + 505, + 423 + ], + "spans": [ + { + "bbox": [ + 106, + 411, + 505, + 423 + ], + "score": 1.0, + "content": "At initialization, we sampled parameters from the i.i.d. Gaussian distribution. If the scale of maxi-", + "type": "text" + } + ], + "index": 20 + }, + { + "bbox": [ + 106, + 423, + 505, + 434 + ], + "spans": [ + { + "bbox": [ + 106, + 423, + 191, + 434 + ], + "score": 1.0, + "content": "mum singular values", + "type": "text" + }, + { + "bbox": [ + 192, + 424, + 198, + 432 + ], + "score": 0.58, + "content": "s", + "type": "inline_equation" + }, + { + "bbox": [ + 198, + 423, + 505, + 434 + ], + "score": 1.0, + "content": "was specified, we subsequently scaled weight matrices of graph convolution", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 106, + 433, + 505, + 445 + ], + "spans": [ + { + "bbox": [ + 106, + 433, + 370, + 445 + ], + "score": 1.0, + "content": "layers so that their maximum singular values were normalized to", + "type": "text" + }, + { + "bbox": [ + 371, + 435, + 376, + 443 + ], + "score": 0.66, + "content": "s", + "type": "inline_equation" + }, + { + "bbox": [ + 377, + 433, + 505, + 445 + ], + "score": 1.0, + "content": ". The loss function was defined", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 106, + 444, + 505, + 456 + ], + "spans": [ + { + "bbox": [ + 106, + 444, + 505, + 456 + ], + "score": 1.0, + "content": "as the sum of the cross entropy loss for all training nodes. We train the model using the one of", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 105, + 455, + 343, + 468 + ], + "spans": [ + { + "bbox": [ + 105, + 455, + 343, + 468 + ], + "score": 1.0, + "content": "gradient-based optimization methods described in Table 3.", + "type": "text" + } + ], + "index": 24 + } + ], + "index": 22 + }, + { + "type": "title", + "bbox": [ + 108, + 479, + 224, + 491 + ], + "lines": [ + { + "bbox": [ + 106, + 480, + 225, + 491 + ], + "spans": [ + { + "bbox": [ + 106, + 480, + 225, + 491 + ], + "score": 1.0, + "content": "H.3.6 HYPERPRAMETERS", + "type": "text" + } + ], + "index": 25 + } + ], + "index": 25 + }, + { + "type": "text", + "bbox": [ + 107, + 499, + 504, + 532 + ], + "lines": [ + { + "bbox": [ + 105, + 498, + 504, + 512 + ], + "spans": [ + { + "bbox": [ + 105, + 498, + 504, + 512 + ], + "score": 1.0, + "content": "Table 3 shows the set of hyperparameters from which we chose. Since we compute the repre-", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 105, + 508, + 505, + 524 + ], + "spans": [ + { + "bbox": [ + 105, + 508, + 505, + 524 + ], + "score": 1.0, + "content": "sentations of all nodes at once at each iteration, each epoch consists of 1 iteration. We employ", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 105, + 520, + 464, + 533 + ], + "spans": [ + { + "bbox": [ + 105, + 520, + 464, + 533 + ], + "score": 1.0, + "content": "Tree-structured Parzen Estimator (Bergstra et al., 2011) for hyperparameter optimization.", + "type": "text" + } + ], + "index": 28 + } + ], + "index": 27 + }, + { + "type": "title", + "bbox": [ + 108, + 546, + 219, + 557 + ], + "lines": [ + { + "bbox": [ + 106, + 545, + 221, + 558 + ], + "spans": [ + { + "bbox": [ + 106, + 545, + 221, + 558 + ], + "score": 1.0, + "content": "H.3.7 IMPLEMENTATION", + "type": "text" + } + ], + "index": 29 + } + ], + "index": 29 + }, + { + "type": "text", + "bbox": [ + 107, + 565, + 505, + 643 + ], + "lines": [ + { + "bbox": [ + 105, + 563, + 506, + 579 + ], + "spans": [ + { + "bbox": [ + 105, + 563, + 506, + 579 + ], + "score": 1.0, + "content": "We used Chainer Chemistry14, which is an extension library for the deep learning framework", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 105, + 575, + 505, + 590 + ], + "spans": [ + { + "bbox": [ + 105, + 575, + 505, + 590 + ], + "score": 1.0, + "content": "Chainer (Tokui et al., 2015; 2019), to implement GCNs and Optuna (Akiba et al., 2019) for hy-", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 105, + 587, + 505, + 600 + ], + "spans": [ + { + "bbox": [ + 105, + 587, + 505, + 600 + ], + "score": 1.0, + "content": "perparameter tuning. We conducted experiments in a signel machine which has 2 Intel(R) Xeon(R)", + "type": "text" + } + ], + "index": 32 + }, + { + "bbox": [ + 105, + 598, + 505, + 610 + ], + "spans": [ + { + "bbox": [ + 105, + 598, + 505, + 610 + ], + "score": 1.0, + "content": "Gold 6136 CPU@3.00GHz (24 cores), 192 GB memory (DDR4), and 3 GPGPUs (NVIDIA Tesla", + "type": "text" + } + ], + "index": 33 + }, + { + "bbox": [ + 105, + 609, + 505, + 622 + ], + "spans": [ + { + "bbox": [ + 105, + 609, + 258, + 622 + ], + "score": 1.0, + "content": "V100). Our implementation achieved", + "type": "text" + }, + { + "bbox": [ + 258, + 609, + 285, + 620 + ], + "score": 0.87, + "content": "6 8 . 1 \\%", + "type": "inline_equation" + }, + { + "bbox": [ + 286, + 609, + 505, + 622 + ], + "score": 1.0, + "content": "with Dropout (Srivastava et al., 2014) (2 graph convo-", + "type": "text" + } + ], + "index": 34 + }, + { + "bbox": [ + 104, + 619, + 506, + 633 + ], + "spans": [ + { + "bbox": [ + 104, + 619, + 178, + 633 + ], + "score": 1.0, + "content": "lution layers) and", + "type": "text" + }, + { + "bbox": [ + 179, + 620, + 206, + 631 + ], + "score": 0.87, + "content": "6 4 . 2 \\%", + "type": "inline_equation" + }, + { + "bbox": [ + 207, + 619, + 506, + 633 + ], + "score": 1.0, + "content": "without Dropout (1 graph convolution layer) on the test dataset. These are", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 105, + 631, + 505, + 644 + ], + "spans": [ + { + "bbox": [ + 105, + 631, + 505, + 644 + ], + "score": 1.0, + "content": "slightly worse than the accuracy reported in Kipf & Welling (2017), but are still comparable with it.", + "type": "text" + } + ], + "index": 36 + } + ], + "index": 33 + }, + { + "type": "title", + "bbox": [ + 108, + 657, + 261, + 668 + ], + "lines": [ + { + "bbox": [ + 106, + 657, + 262, + 669 + ], + "spans": [ + { + "bbox": [ + 106, + 657, + 262, + 669 + ], + "score": 1.0, + "content": "H.4 EXPERIMENT OF SECTION 6.4", + "type": "text" + } + ], + "index": 37 + } + ], + "index": 37 + }, + { + "type": "text", + "bbox": [ + 109, + 678, + 504, + 711 + ], + "lines": [ + { + "bbox": [ + 107, + 677, + 506, + 691 + ], + "spans": [ + { + "bbox": [ + 107, + 677, + 506, + 691 + ], + "score": 1.0, + "content": "The experiment settings are almost same as the experiment in Section 6.3. The only difference is that", + "type": "text" + } + ], + "index": 38 + }, + { + "bbox": [ + 107, + 689, + 505, + 701 + ], + "spans": [ + { + "bbox": [ + 107, + 689, + 505, + 701 + ], + "score": 1.0, + "content": "we did not train the node embedding layer, which we put before convolution layers of a GCN, while", + "type": "text" + } + ], + "index": 39 + }, + { + "bbox": [ + 106, + 699, + 505, + 712 + ], + "spans": [ + { + "bbox": [ + 106, + 699, + 505, + 712 + ], + "score": 1.0, + "content": "we did in Section 6.3. This is because we wanted to see the the effect of convolution operations", + "type": "text" + } + ], + "index": 40 + } + ], + "index": 39 + } + ], + "page_idx": 25, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 115, + 722, + 399, + 732 + ], + "lines": [ + { + "bbox": [ + 115, + 718, + 401, + 736 + ], + "spans": [ + { + "bbox": [ + 115, + 718, + 401, + 736 + ], + "score": 1.0, + "content": "14https://github.com/pfnet-research/chainer-chemistry", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 107, + 27, + 293, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 300, + 751, + 311, + 760 + ], + "lines": [ + { + "bbox": [ + 298, + 749, + 313, + 764 + ], + "spans": [ + { + "bbox": [ + 298, + 749, + 313, + 764 + ], + "score": 1.0, + "content": "", + "type": "text", + "height": 15, + "width": 15 + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "table", + "bbox": [ + 177, + 124, + 434, + 192 + ], + "blocks": [ + { + "type": "table_caption", + "bbox": [ + 106, + 91, + 504, + 124 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 105, + 90, + 505, + 104 + ], + "spans": [ + { + "bbox": [ + 105, + 90, + 354, + 104 + ], + "score": 1.0, + "content": "Table 3: Hyperparameters of the experiment in Section 6.3.", + "type": "text" + }, + { + "bbox": [ + 354, + 90, + 455, + 103 + ], + "score": 0.88, + "content": "X \\sim \\mathrm { L o g U n i f } [ 1 0 ^ { a } , 1 0 ^ { b } ]", + "type": "inline_equation" + }, + { + "bbox": [ + 455, + 90, + 505, + 104 + ], + "score": 1.0, + "content": "denotes the", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 105, + 101, + 506, + 115 + ], + "spans": [ + { + "bbox": [ + 105, + 101, + 174, + 115 + ], + "score": 1.0, + "content": "random variable", + "type": "text" + }, + { + "bbox": [ + 174, + 102, + 208, + 114 + ], + "score": 0.92, + "content": "\\log _ { 1 0 } X", + "type": "inline_equation" + }, + { + "bbox": [ + 208, + 101, + 353, + 115 + ], + "score": 1.0, + "content": "obeys the uniform distribution over", + "type": "text" + }, + { + "bbox": [ + 353, + 102, + 374, + 114 + ], + "score": 0.87, + "content": "[ a , b ]", + "type": "inline_equation" + }, + { + "bbox": [ + 374, + 101, + 506, + 115 + ], + "score": 1.0, + "content": ". “Learning rate” corresponds to", + "type": "text" + } + ], + "index": 1 + }, + { + "bbox": [ + 107, + 113, + 373, + 125 + ], + "spans": [ + { + "bbox": [ + 107, + 115, + 114, + 123 + ], + "score": 0.71, + "content": "\\alpha", + "type": "inline_equation" + }, + { + "bbox": [ + 114, + 113, + 373, + 125 + ], + "score": 1.0, + "content": "when “Optimization algorithm” is Adam (Kingma & Ba, 2015).", + "type": "text" + } + ], + "index": 2 + } + ], + "index": 1 + }, + { + "type": "table_body", + "bbox": [ + 177, + 124, + 434, + 192 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 177, + 124, + 434, + 192 + ], + "spans": [ + { + "bbox": [ + 177, + 124, + 434, + 192 + ], + "score": 0.979, + "html": "
NameValue
Unit size{10,20,..., 500}
Epoch{10,20,...,100}
Optimization algorithm{SGD,MomentumSGD,Adam}
Learning rateLogUnif[10-5,10-2]
", + "type": "table", + "image_path": "80ab11f7788859aa5cff8fafb447d24232326adb5a8f87e277a4cff910d30034.jpg" + } + ] + } + ], + "index": 4, + "virtual_lines": [ + { + "bbox": [ + 177, + 124, + 434, + 146.66666666666666 + ], + "spans": [], + "index": 3 + }, + { + "bbox": [ + 177, + 146.66666666666666, + 434, + 169.33333333333331 + ], + "spans": [], + "index": 4 + }, + { + "bbox": [ + 177, + 169.33333333333331, + 434, + 191.99999999999997 + ], + "spans": [], + "index": 5 + } + ] + } + ], + "index": 2.5 + }, + { + "type": "text", + "bbox": [ + 106, + 213, + 505, + 258 + ], + "lines": [], + "index": 7.5, + "bbox_fs": [ + 105, + 212, + 505, + 258 + ], + "lines_deleted": true + }, + { + "type": "title", + "bbox": [ + 109, + 270, + 320, + 282 + ], + "lines": [ + { + "bbox": [ + 106, + 270, + 322, + 283 + ], + "spans": [ + { + "bbox": [ + 106, + 270, + 322, + 283 + ], + "score": 1.0, + "content": "H.3.4 PERFORMANCE EVALUATION PROCEDURE", + "type": "text" + } + ], + "index": 10 + } + ], + "index": 10 + }, + { + "type": "text", + "bbox": [ + 107, + 289, + 505, + 378 + ], + "lines": [ + { + "bbox": [ + 105, + 289, + 505, + 303 + ], + "spans": [ + { + "bbox": [ + 105, + 289, + 505, + 303 + ], + "score": 1.0, + "content": "We split all nodes in a graph (either Noisy Cora 2500/5000 or Noisy CiteSeer) into training, val-", + "type": "text" + } + ], + "index": 11 + }, + { + "bbox": [ + 105, + 300, + 505, + 313 + ], + "spans": [ + { + "bbox": [ + 105, + 300, + 505, + 313 + ], + "score": 1.0, + "content": "idation, and test sets. Data split is the same as the one done by Kipf & Welling (2017). This", + "type": "text" + } + ], + "index": 12 + }, + { + "bbox": [ + 105, + 312, + 505, + 325 + ], + "spans": [ + { + "bbox": [ + 105, + 312, + 505, + 325 + ], + "score": 1.0, + "content": "is a transductive learning (Pan & Yang, 2010) setting because we can use node properties of the", + "type": "text" + } + ], + "index": 13 + }, + { + "bbox": [ + 105, + 322, + 505, + 336 + ], + "spans": [ + { + "bbox": [ + 105, + 322, + 505, + 336 + ], + "score": 1.0, + "content": "validation and test data during training. We trained the model three times for each choice of hyper-", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 105, + 334, + 505, + 346 + ], + "spans": [ + { + "bbox": [ + 105, + 334, + 505, + 346 + ], + "score": 1.0, + "content": "paremeters using the training set and defined the objective function as the average accuracy on the", + "type": "text" + } + ], + "index": 15 + }, + { + "bbox": [ + 105, + 344, + 505, + 358 + ], + "spans": [ + { + "bbox": [ + 105, + 344, + 505, + 358 + ], + "score": 1.0, + "content": "validation set. We chose the combination of hyperparameters that achieves the best value of objec-", + "type": "text" + } + ], + "index": 16 + }, + { + "bbox": [ + 105, + 356, + 505, + 369 + ], + "spans": [ + { + "bbox": [ + 105, + 356, + 505, + 369 + ], + "score": 1.0, + "content": "tive function. We evaluate the accuracy of the test dataset three times using the chosen combination", + "type": "text" + } + ], + "index": 17 + }, + { + "bbox": [ + 106, + 367, + 408, + 379 + ], + "spans": [ + { + "bbox": [ + 106, + 367, + 408, + 379 + ], + "score": 1.0, + "content": "of hyperparameters and computed their average and the standard deviation.", + "type": "text" + } + ], + "index": 18 + } + ], + "index": 14.5, + "bbox_fs": [ + 105, + 289, + 505, + 379 + ] + }, + { + "type": "title", + "bbox": [ + 107, + 391, + 186, + 402 + ], + "lines": [ + { + "bbox": [ + 106, + 391, + 187, + 404 + ], + "spans": [ + { + "bbox": [ + 106, + 391, + 187, + 404 + ], + "score": 1.0, + "content": "H.3.5 TRAINING", + "type": "text" + } + ], + "index": 19 + } + ], + "index": 19 + }, + { + "type": "text", + "bbox": [ + 107, + 411, + 505, + 466 + ], + "lines": [ + { + "bbox": [ + 106, + 411, + 505, + 423 + ], + "spans": [ + { + "bbox": [ + 106, + 411, + 505, + 423 + ], + "score": 1.0, + "content": "At initialization, we sampled parameters from the i.i.d. Gaussian distribution. If the scale of maxi-", + "type": "text" + } + ], + "index": 20 + }, + { + "bbox": [ + 106, + 423, + 505, + 434 + ], + "spans": [ + { + "bbox": [ + 106, + 423, + 191, + 434 + ], + "score": 1.0, + "content": "mum singular values", + "type": "text" + }, + { + "bbox": [ + 192, + 424, + 198, + 432 + ], + "score": 0.58, + "content": "s", + "type": "inline_equation" + }, + { + "bbox": [ + 198, + 423, + 505, + 434 + ], + "score": 1.0, + "content": "was specified, we subsequently scaled weight matrices of graph convolution", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 106, + 433, + 505, + 445 + ], + "spans": [ + { + "bbox": [ + 106, + 433, + 370, + 445 + ], + "score": 1.0, + "content": "layers so that their maximum singular values were normalized to", + "type": "text" + }, + { + "bbox": [ + 371, + 435, + 376, + 443 + ], + "score": 0.66, + "content": "s", + "type": "inline_equation" + }, + { + "bbox": [ + 377, + 433, + 505, + 445 + ], + "score": 1.0, + "content": ". The loss function was defined", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 106, + 444, + 505, + 456 + ], + "spans": [ + { + "bbox": [ + 106, + 444, + 505, + 456 + ], + "score": 1.0, + "content": "as the sum of the cross entropy loss for all training nodes. We train the model using the one of", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 105, + 455, + 343, + 468 + ], + "spans": [ + { + "bbox": [ + 105, + 455, + 343, + 468 + ], + "score": 1.0, + "content": "gradient-based optimization methods described in Table 3.", + "type": "text" + } + ], + "index": 24 + } + ], + "index": 22, + "bbox_fs": [ + 105, + 411, + 505, + 468 + ] + }, + { + "type": "title", + "bbox": [ + 108, + 479, + 224, + 491 + ], + "lines": [ + { + "bbox": [ + 106, + 480, + 225, + 491 + ], + "spans": [ + { + "bbox": [ + 106, + 480, + 225, + 491 + ], + "score": 1.0, + "content": "H.3.6 HYPERPRAMETERS", + "type": "text" + } + ], + "index": 25 + } + ], + "index": 25 + }, + { + "type": "text", + "bbox": [ + 107, + 499, + 504, + 532 + ], + "lines": [ + { + "bbox": [ + 105, + 498, + 504, + 512 + ], + "spans": [ + { + "bbox": [ + 105, + 498, + 504, + 512 + ], + "score": 1.0, + "content": "Table 3 shows the set of hyperparameters from which we chose. Since we compute the repre-", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 105, + 508, + 505, + 524 + ], + "spans": [ + { + "bbox": [ + 105, + 508, + 505, + 524 + ], + "score": 1.0, + "content": "sentations of all nodes at once at each iteration, each epoch consists of 1 iteration. We employ", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 105, + 520, + 464, + 533 + ], + "spans": [ + { + "bbox": [ + 105, + 520, + 464, + 533 + ], + "score": 1.0, + "content": "Tree-structured Parzen Estimator (Bergstra et al., 2011) for hyperparameter optimization.", + "type": "text" + } + ], + "index": 28 + } + ], + "index": 27, + "bbox_fs": [ + 105, + 498, + 505, + 533 + ] + }, + { + "type": "title", + "bbox": [ + 108, + 546, + 219, + 557 + ], + "lines": [ + { + "bbox": [ + 106, + 545, + 221, + 558 + ], + "spans": [ + { + "bbox": [ + 106, + 545, + 221, + 558 + ], + "score": 1.0, + "content": "H.3.7 IMPLEMENTATION", + "type": "text" + } + ], + "index": 29 + } + ], + "index": 29 + }, + { + "type": "text", + "bbox": [ + 107, + 565, + 505, + 643 + ], + "lines": [ + { + "bbox": [ + 105, + 563, + 506, + 579 + ], + "spans": [ + { + "bbox": [ + 105, + 563, + 506, + 579 + ], + "score": 1.0, + "content": "We used Chainer Chemistry14, which is an extension library for the deep learning framework", + "type": "text" + } + ], + "index": 30 + }, + { + "bbox": [ + 105, + 575, + 505, + 590 + ], + "spans": [ + { + "bbox": [ + 105, + 575, + 505, + 590 + ], + "score": 1.0, + "content": "Chainer (Tokui et al., 2015; 2019), to implement GCNs and Optuna (Akiba et al., 2019) for hy-", + "type": "text" + } + ], + "index": 31 + }, + { + "bbox": [ + 105, + 587, + 505, + 600 + ], + "spans": [ + { + "bbox": [ + 105, + 587, + 505, + 600 + ], + "score": 1.0, + "content": "perparameter tuning. We conducted experiments in a signel machine which has 2 Intel(R) Xeon(R)", + "type": "text" + } + ], + "index": 32 + }, + { + "bbox": [ + 105, + 598, + 505, + 610 + ], + "spans": [ + { + "bbox": [ + 105, + 598, + 505, + 610 + ], + "score": 1.0, + "content": "Gold 6136 CPU@3.00GHz (24 cores), 192 GB memory (DDR4), and 3 GPGPUs (NVIDIA Tesla", + "type": "text" + } + ], + "index": 33 + }, + { + "bbox": [ + 105, + 609, + 505, + 622 + ], + "spans": [ + { + "bbox": [ + 105, + 609, + 258, + 622 + ], + "score": 1.0, + "content": "V100). Our implementation achieved", + "type": "text" + }, + { + "bbox": [ + 258, + 609, + 285, + 620 + ], + "score": 0.87, + "content": "6 8 . 1 \\%", + "type": "inline_equation" + }, + { + "bbox": [ + 286, + 609, + 505, + 622 + ], + "score": 1.0, + "content": "with Dropout (Srivastava et al., 2014) (2 graph convo-", + "type": "text" + } + ], + "index": 34 + }, + { + "bbox": [ + 104, + 619, + 506, + 633 + ], + "spans": [ + { + "bbox": [ + 104, + 619, + 178, + 633 + ], + "score": 1.0, + "content": "lution layers) and", + "type": "text" + }, + { + "bbox": [ + 179, + 620, + 206, + 631 + ], + "score": 0.87, + "content": "6 4 . 2 \\%", + "type": "inline_equation" + }, + { + "bbox": [ + 207, + 619, + 506, + 633 + ], + "score": 1.0, + "content": "without Dropout (1 graph convolution layer) on the test dataset. These are", + "type": "text" + } + ], + "index": 35 + }, + { + "bbox": [ + 105, + 631, + 505, + 644 + ], + "spans": [ + { + "bbox": [ + 105, + 631, + 505, + 644 + ], + "score": 1.0, + "content": "slightly worse than the accuracy reported in Kipf & Welling (2017), but are still comparable with it.", + "type": "text" + } + ], + "index": 36 + } + ], + "index": 33, + "bbox_fs": [ + 104, + 563, + 506, + 644 + ] + }, + { + "type": "title", + "bbox": [ + 108, + 657, + 261, + 668 + ], + "lines": [ + { + "bbox": [ + 106, + 657, + 262, + 669 + ], + "spans": [ + { + "bbox": [ + 106, + 657, + 262, + 669 + ], + "score": 1.0, + "content": "H.4 EXPERIMENT OF SECTION 6.4", + "type": "text" + } + ], + "index": 37 + } + ], + "index": 37 + }, + { + "type": "text", + "bbox": [ + 109, + 678, + 504, + 711 + ], + "lines": [ + { + "bbox": [ + 107, + 677, + 506, + 691 + ], + "spans": [ + { + "bbox": [ + 107, + 677, + 506, + 691 + ], + "score": 1.0, + "content": "The experiment settings are almost same as the experiment in Section 6.3. The only difference is that", + "type": "text" + } + ], + "index": 38 + }, + { + "bbox": [ + 107, + 689, + 505, + 701 + ], + "spans": [ + { + "bbox": [ + 107, + 689, + 505, + 701 + ], + "score": 1.0, + "content": "we did not train the node embedding layer, which we put before convolution layers of a GCN, while", + "type": "text" + } + ], + "index": 39 + }, + { + "bbox": [ + 106, + 699, + 505, + 712 + ], + "spans": [ + { + "bbox": [ + 106, + 699, + 505, + 712 + ], + "score": 1.0, + "content": "we did in Section 6.3. This is because we wanted to see the the effect of convolution operations", + "type": "text" + } + ], + "index": 40 + } + ], + "index": 39, + "bbox_fs": [ + 106, + 677, + 506, + 712 + ] + } + ] + }, + { + "preproc_blocks": [ + { + "type": "text", + "bbox": [ + 106, + 82, + 504, + 105 + ], + "lines": [ + { + "bbox": [ + 106, + 82, + 505, + 95 + ], + "spans": [ + { + "bbox": [ + 106, + 82, + 505, + 95 + ], + "score": 1.0, + "content": "on the perpendicular component of signals, while we interested in the prediction accuracy in real", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 106, + 94, + 284, + 106 + ], + "spans": [ + { + "bbox": [ + 106, + 94, + 284, + 106 + ], + "score": 1.0, + "content": "training settings in the previous experiment.", + "type": "text" + } + ], + "index": 1 + } + ], + "index": 0.5 + }, + { + "type": "title", + "bbox": [ + 106, + 121, + 312, + 134 + ], + "lines": [ + { + "bbox": [ + 105, + 120, + 312, + 135 + ], + "spans": [ + { + "bbox": [ + 105, + 120, + 312, + 135 + ], + "score": 1.0, + "content": "I ADDITIONAL EXPERIMENT RESULTS", + "type": "text" + } + ], + "index": 2 + } + ], + "index": 2 + }, + { + "type": "title", + "bbox": [ + 108, + 145, + 257, + 157 + ], + "lines": [ + { + "bbox": [ + 105, + 145, + 258, + 158 + ], + "spans": [ + { + "bbox": [ + 105, + 145, + 258, + 158 + ], + "score": 1.0, + "content": "I.1 EXPERIMENT OF SECTION 6.1", + "type": "text" + } + ], + "index": 3 + } + ], + "index": 3 + }, + { + "type": "text", + "bbox": [ + 107, + 166, + 504, + 189 + ], + "lines": [ + { + "bbox": [ + 106, + 166, + 505, + 179 + ], + "spans": [ + { + "bbox": [ + 106, + 166, + 208, + 179 + ], + "score": 1.0, + "content": "We show the vector field", + "type": "text" + }, + { + "bbox": [ + 209, + 167, + 218, + 176 + ], + "score": 0.73, + "content": "V", + "type": "inline_equation" + }, + { + "bbox": [ + 218, + 166, + 265, + 179 + ], + "score": 1.0, + "content": "for various", + "type": "text" + }, + { + "bbox": [ + 266, + 167, + 277, + 177 + ], + "score": 0.66, + "content": "W", + "type": "inline_equation" + }, + { + "bbox": [ + 278, + 166, + 505, + 179 + ], + "score": 1.0, + "content": "in Figure 6 (Case 1) and Figure 7 (Case 2). Parameters", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 105, + 177, + 502, + 190 + ], + "spans": [ + { + "bbox": [ + 105, + 177, + 149, + 190 + ], + "score": 1.0, + "content": "other than", + "type": "text" + }, + { + "bbox": [ + 149, + 178, + 161, + 187 + ], + "score": 0.65, + "content": "W", + "type": "inline_equation" + }, + { + "bbox": [ + 162, + 177, + 502, + 190 + ], + "score": 1.0, + "content": "are same as experiments in Section 6.1 (detail values are available in Appendix H.1).", + "type": "text" + } + ], + "index": 5 + } + ], + "index": 4.5 + }, + { + "type": "title", + "bbox": [ + 108, + 202, + 257, + 213 + ], + "lines": [ + { + "bbox": [ + 105, + 201, + 259, + 214 + ], + "spans": [ + { + "bbox": [ + 105, + 201, + 259, + 214 + ], + "score": 1.0, + "content": "I.2 EXPERIMENT OF SECTION 6.2", + "type": "text" + } + ], + "index": 6 + } + ], + "index": 6 + }, + { + "type": "text", + "bbox": [ + 107, + 222, + 505, + 267 + ], + "lines": [ + { + "bbox": [ + 105, + 222, + 505, + 236 + ], + "spans": [ + { + "bbox": [ + 105, + 222, + 505, + 236 + ], + "score": 1.0, + "content": "Figure 8 shows the relative log distance of signals and their upper bound for various edge probability", + "type": "text" + } + ], + "index": 7 + }, + { + "bbox": [ + 106, + 234, + 506, + 246 + ], + "spans": [ + { + "bbox": [ + 106, + 236, + 113, + 245 + ], + "score": 0.77, + "content": "p", + "type": "inline_equation" + }, + { + "bbox": [ + 113, + 234, + 248, + 246 + ], + "score": 1.0, + "content": "and the maximum singular value", + "type": "text" + }, + { + "bbox": [ + 249, + 236, + 255, + 244 + ], + "score": 0.67, + "content": "s", + "type": "inline_equation" + }, + { + "bbox": [ + 255, + 234, + 506, + 246 + ], + "score": 1.0, + "content": ". Note that we generate a new graph for each configuration of", + "type": "text" + } + ], + "index": 8 + }, + { + "bbox": [ + 107, + 245, + 505, + 258 + ], + "spans": [ + { + "bbox": [ + 107, + 245, + 129, + 257 + ], + "score": 0.9, + "content": "( p , s )", + "type": "inline_equation" + }, + { + "bbox": [ + 129, + 245, + 457, + 258 + ], + "score": 1.0, + "content": ". Therefore, different configurations may have different graphs and hence different", + "type": "text" + }, + { + "bbox": [ + 457, + 245, + 464, + 255 + ], + "score": 0.75, + "content": "\\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 464, + 245, + 505, + 258 + ], + "score": 1.0, + "content": "even they", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 105, + 257, + 282, + 268 + ], + "spans": [ + { + "bbox": [ + 105, + 257, + 225, + 268 + ], + "score": 1.0, + "content": "have a same edge probability", + "type": "text" + }, + { + "bbox": [ + 225, + 258, + 231, + 268 + ], + "score": 0.8, + "content": "p", + "type": "inline_equation" + }, + { + "bbox": [ + 232, + 257, + 282, + 268 + ], + "score": 1.0, + "content": "in common.", + "type": "text" + } + ], + "index": 10 + } + ], + "index": 8.5 + }, + { + "type": "title", + "bbox": [ + 108, + 280, + 257, + 292 + ], + "lines": [ + { + "bbox": [ + 105, + 280, + 259, + 293 + ], + "spans": [ + { + "bbox": [ + 105, + 280, + 259, + 293 + ], + "score": 1.0, + "content": "I.3 EXPERIMENT OF SECTION 6.3", + "type": "text" + } + ], + "index": 11 + } + ], + "index": 11 + }, + { + "type": "title", + "bbox": [ + 108, + 301, + 243, + 312 + ], + "lines": [ + { + "bbox": [ + 105, + 301, + 243, + 314 + ], + "spans": [ + { + "bbox": [ + 105, + 301, + 243, + 314 + ], + "score": 1.0, + "content": "I.3.1 PREDICTIVE ACCURACY", + "type": "text" + } + ], + "index": 12 + } + ], + "index": 12 + }, + { + "type": "text", + "bbox": [ + 107, + 320, + 504, + 354 + ], + "lines": [ + { + "bbox": [ + 105, + 320, + 506, + 333 + ], + "spans": [ + { + "bbox": [ + 105, + 320, + 506, + 333 + ], + "score": 1.0, + "content": "Figure 9 shows the comparison of predictive performance in terms the maximum singular value", + "type": "text" + } + ], + "index": 13 + }, + { + "bbox": [ + 105, + 330, + 505, + 345 + ], + "spans": [ + { + "bbox": [ + 105, + 330, + 505, + 345 + ], + "score": 1.0, + "content": "and layer size when the dataset is Noisy Cora 5000 (left) and Noisy Citeseer (right), respectively.", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 106, + 343, + 271, + 353 + ], + "spans": [ + { + "bbox": [ + 106, + 343, + 271, + 353 + ], + "score": 1.0, + "content": "Concrete values are available in Table 4.", + "type": "text" + } + ], + "index": 15 + } + ], + "index": 14 + }, + { + "type": "title", + "bbox": [ + 106, + 366, + 340, + 377 + ], + "lines": [ + { + "bbox": [ + 105, + 365, + 341, + 379 + ], + "spans": [ + { + "bbox": [ + 105, + 365, + 341, + 379 + ], + "score": 1.0, + "content": "I.3.2 TRANSITION OF MAXIMUM SINGULAR VALUES", + "type": "text" + } + ], + "index": 16 + } + ], + "index": 16 + }, + { + "type": "text", + "bbox": [ + 106, + 385, + 505, + 419 + ], + "lines": [ + { + "bbox": [ + 105, + 384, + 505, + 398 + ], + "spans": [ + { + "bbox": [ + 105, + 384, + 505, + 398 + ], + "score": 1.0, + "content": "Figure 10 – 13 show the transition of weight of graph convolution layers during training when the", + "type": "text" + } + ], + "index": 17 + }, + { + "bbox": [ + 105, + 396, + 505, + 409 + ], + "spans": [ + { + "bbox": [ + 105, + 396, + 505, + 409 + ], + "score": 1.0, + "content": "dataset is Noisy Cora 2500, Noisy Cora 5000, and Noisy CiteSeer, respectively. We note that the", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 105, + 407, + 505, + 420 + ], + "spans": [ + { + "bbox": [ + 105, + 407, + 505, + 420 + ], + "score": 1.0, + "content": "result of 3-layered GCN from the Noisy Cora 2500 is identical to Figure 3 (right) of the main article.", + "type": "text" + } + ], + "index": 19 + } + ], + "index": 18 + }, + { + "type": "title", + "bbox": [ + 108, + 432, + 257, + 443 + ], + "lines": [ + { + "bbox": [ + 105, + 432, + 259, + 444 + ], + "spans": [ + { + "bbox": [ + 105, + 432, + 259, + 444 + ], + "score": 1.0, + "content": "I.4 EXPERIMENT OF SECTION 6.4", + "type": "text" + } + ], + "index": 20 + } + ], + "index": 20 + }, + { + "type": "text", + "bbox": [ + 106, + 452, + 505, + 541 + ], + "lines": [ + { + "bbox": [ + 105, + 452, + 505, + 466 + ], + "spans": [ + { + "bbox": [ + 105, + 452, + 505, + 466 + ], + "score": 1.0, + "content": "Figure 14 shows the logarithm of relative perpendicular component and prediction accuracy on", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 106, + 464, + 505, + 476 + ], + "spans": [ + { + "bbox": [ + 106, + 464, + 505, + 476 + ], + "score": 1.0, + "content": "Noisy Cora, Noisy CiteSeer, and Noisy PubMed datasets. We use Pearson R as a correlation co-", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 105, + 474, + 505, + 488 + ], + "spans": [ + { + "bbox": [ + 105, + 474, + 505, + 488 + ], + "score": 1.0, + "content": "efficient. If GCNs have only one layer, it has more large relative perpendicular components (cor-", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 105, + 486, + 505, + 498 + ], + "spans": [ + { + "bbox": [ + 105, + 486, + 505, + 498 + ], + "score": 1.0, + "content": "responding to right points in the figures) than GCNs which have other number of layers. The cor-", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 104, + 496, + 506, + 509 + ], + "spans": [ + { + "bbox": [ + 104, + 496, + 506, + 509 + ], + "score": 1.0, + "content": "relation between the logarithm of relative perpendicular components and prediction accuracies are", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 106, + 507, + 506, + 520 + ], + "spans": [ + { + "bbox": [ + 106, + 507, + 217, + 518 + ], + "score": 0.82, + "content": "0 . 8 2 7 ( p { = } 6 . 8 9 0 \\times \\bar { 1 0 } ^ { - 6 } )", + "type": "inline_equation" + }, + { + "bbox": [ + 217, + 507, + 290, + 520 + ], + "score": 1.0, + "content": "for Noisy Cora,", + "type": "text" + }, + { + "bbox": [ + 290, + 507, + 400, + 519 + ], + "score": 0.91, + "content": "\\mathrm { { 0 . 5 2 4 } } ( p \\ = \\ 1 . { \\bar { 7 } } 7 1 \\times 1 0 ^ { - 2 } )", + "type": "inline_equation" + }, + { + "bbox": [ + 401, + 507, + 506, + 520 + ], + "score": 1.0, + "content": "for Noisy CiteSeer, and", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 106, + 518, + 507, + 532 + ], + "spans": [ + { + "bbox": [ + 106, + 519, + 212, + 531 + ], + "score": 0.82, + "content": "0 . 6 7 9 ( p = 1 . 0 0 2 \\times 1 0 ^ { - 3 } )", + "type": "inline_equation" + }, + { + "bbox": [ + 212, + 518, + 507, + 532 + ], + "score": 1.0, + "content": "for Noisy PubMed, if we treat the one-layer case as outliers and remove", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 105, + 529, + 132, + 542 + ], + "spans": [ + { + "bbox": [ + 105, + 529, + 132, + 542 + ], + "score": 1.0, + "content": "them.", + "type": "text" + } + ], + "index": 28 + } + ], + "index": 24.5 + } + ], + "page_idx": 26, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 107, + 27, + 293, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 300, + 751, + 311, + 760 + ], + "lines": [ + { + "bbox": [ + 298, + 750, + 313, + 765 + ], + "spans": [ + { + "bbox": [ + 298, + 750, + 313, + 765 + ], + "score": 1.0, + "content": "", + "type": "text", + "height": 15, + "width": 15 + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "text", + "bbox": [ + 106, + 82, + 504, + 105 + ], + "lines": [ + { + "bbox": [ + 106, + 82, + 505, + 95 + ], + "spans": [ + { + "bbox": [ + 106, + 82, + 505, + 95 + ], + "score": 1.0, + "content": "on the perpendicular component of signals, while we interested in the prediction accuracy in real", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 106, + 94, + 284, + 106 + ], + "spans": [ + { + "bbox": [ + 106, + 94, + 284, + 106 + ], + "score": 1.0, + "content": "training settings in the previous experiment.", + "type": "text" + } + ], + "index": 1 + } + ], + "index": 0.5, + "bbox_fs": [ + 106, + 82, + 505, + 106 + ] + }, + { + "type": "title", + "bbox": [ + 106, + 121, + 312, + 134 + ], + "lines": [ + { + "bbox": [ + 105, + 120, + 312, + 135 + ], + "spans": [ + { + "bbox": [ + 105, + 120, + 312, + 135 + ], + "score": 1.0, + "content": "I ADDITIONAL EXPERIMENT RESULTS", + "type": "text" + } + ], + "index": 2 + } + ], + "index": 2 + }, + { + "type": "title", + "bbox": [ + 108, + 145, + 257, + 157 + ], + "lines": [ + { + "bbox": [ + 105, + 145, + 258, + 158 + ], + "spans": [ + { + "bbox": [ + 105, + 145, + 258, + 158 + ], + "score": 1.0, + "content": "I.1 EXPERIMENT OF SECTION 6.1", + "type": "text" + } + ], + "index": 3 + } + ], + "index": 3 + }, + { + "type": "text", + "bbox": [ + 107, + 166, + 504, + 189 + ], + "lines": [ + { + "bbox": [ + 106, + 166, + 505, + 179 + ], + "spans": [ + { + "bbox": [ + 106, + 166, + 208, + 179 + ], + "score": 1.0, + "content": "We show the vector field", + "type": "text" + }, + { + "bbox": [ + 209, + 167, + 218, + 176 + ], + "score": 0.73, + "content": "V", + "type": "inline_equation" + }, + { + "bbox": [ + 218, + 166, + 265, + 179 + ], + "score": 1.0, + "content": "for various", + "type": "text" + }, + { + "bbox": [ + 266, + 167, + 277, + 177 + ], + "score": 0.66, + "content": "W", + "type": "inline_equation" + }, + { + "bbox": [ + 278, + 166, + 505, + 179 + ], + "score": 1.0, + "content": "in Figure 6 (Case 1) and Figure 7 (Case 2). Parameters", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 105, + 177, + 502, + 190 + ], + "spans": [ + { + "bbox": [ + 105, + 177, + 149, + 190 + ], + "score": 1.0, + "content": "other than", + "type": "text" + }, + { + "bbox": [ + 149, + 178, + 161, + 187 + ], + "score": 0.65, + "content": "W", + "type": "inline_equation" + }, + { + "bbox": [ + 162, + 177, + 502, + 190 + ], + "score": 1.0, + "content": "are same as experiments in Section 6.1 (detail values are available in Appendix H.1).", + "type": "text" + } + ], + "index": 5 + } + ], + "index": 4.5, + "bbox_fs": [ + 105, + 166, + 505, + 190 + ] + }, + { + "type": "title", + "bbox": [ + 108, + 202, + 257, + 213 + ], + "lines": [ + { + "bbox": [ + 105, + 201, + 259, + 214 + ], + "spans": [ + { + "bbox": [ + 105, + 201, + 259, + 214 + ], + "score": 1.0, + "content": "I.2 EXPERIMENT OF SECTION 6.2", + "type": "text" + } + ], + "index": 6 + } + ], + "index": 6 + }, + { + "type": "text", + "bbox": [ + 107, + 222, + 505, + 267 + ], + "lines": [ + { + "bbox": [ + 105, + 222, + 505, + 236 + ], + "spans": [ + { + "bbox": [ + 105, + 222, + 505, + 236 + ], + "score": 1.0, + "content": "Figure 8 shows the relative log distance of signals and their upper bound for various edge probability", + "type": "text" + } + ], + "index": 7 + }, + { + "bbox": [ + 106, + 234, + 506, + 246 + ], + "spans": [ + { + "bbox": [ + 106, + 236, + 113, + 245 + ], + "score": 0.77, + "content": "p", + "type": "inline_equation" + }, + { + "bbox": [ + 113, + 234, + 248, + 246 + ], + "score": 1.0, + "content": "and the maximum singular value", + "type": "text" + }, + { + "bbox": [ + 249, + 236, + 255, + 244 + ], + "score": 0.67, + "content": "s", + "type": "inline_equation" + }, + { + "bbox": [ + 255, + 234, + 506, + 246 + ], + "score": 1.0, + "content": ". Note that we generate a new graph for each configuration of", + "type": "text" + } + ], + "index": 8 + }, + { + "bbox": [ + 107, + 245, + 505, + 258 + ], + "spans": [ + { + "bbox": [ + 107, + 245, + 129, + 257 + ], + "score": 0.9, + "content": "( p , s )", + "type": "inline_equation" + }, + { + "bbox": [ + 129, + 245, + 457, + 258 + ], + "score": 1.0, + "content": ". Therefore, different configurations may have different graphs and hence different", + "type": "text" + }, + { + "bbox": [ + 457, + 245, + 464, + 255 + ], + "score": 0.75, + "content": "\\lambda", + "type": "inline_equation" + }, + { + "bbox": [ + 464, + 245, + 505, + 258 + ], + "score": 1.0, + "content": "even they", + "type": "text" + } + ], + "index": 9 + }, + { + "bbox": [ + 105, + 257, + 282, + 268 + ], + "spans": [ + { + "bbox": [ + 105, + 257, + 225, + 268 + ], + "score": 1.0, + "content": "have a same edge probability", + "type": "text" + }, + { + "bbox": [ + 225, + 258, + 231, + 268 + ], + "score": 0.8, + "content": "p", + "type": "inline_equation" + }, + { + "bbox": [ + 232, + 257, + 282, + 268 + ], + "score": 1.0, + "content": "in common.", + "type": "text" + } + ], + "index": 10 + } + ], + "index": 8.5, + "bbox_fs": [ + 105, + 222, + 506, + 268 + ] + }, + { + "type": "title", + "bbox": [ + 108, + 280, + 257, + 292 + ], + "lines": [ + { + "bbox": [ + 105, + 280, + 259, + 293 + ], + "spans": [ + { + "bbox": [ + 105, + 280, + 259, + 293 + ], + "score": 1.0, + "content": "I.3 EXPERIMENT OF SECTION 6.3", + "type": "text" + } + ], + "index": 11 + } + ], + "index": 11 + }, + { + "type": "title", + "bbox": [ + 108, + 301, + 243, + 312 + ], + "lines": [ + { + "bbox": [ + 105, + 301, + 243, + 314 + ], + "spans": [ + { + "bbox": [ + 105, + 301, + 243, + 314 + ], + "score": 1.0, + "content": "I.3.1 PREDICTIVE ACCURACY", + "type": "text" + } + ], + "index": 12 + } + ], + "index": 12 + }, + { + "type": "text", + "bbox": [ + 107, + 320, + 504, + 354 + ], + "lines": [ + { + "bbox": [ + 105, + 320, + 506, + 333 + ], + "spans": [ + { + "bbox": [ + 105, + 320, + 506, + 333 + ], + "score": 1.0, + "content": "Figure 9 shows the comparison of predictive performance in terms the maximum singular value", + "type": "text" + } + ], + "index": 13 + }, + { + "bbox": [ + 105, + 330, + 505, + 345 + ], + "spans": [ + { + "bbox": [ + 105, + 330, + 505, + 345 + ], + "score": 1.0, + "content": "and layer size when the dataset is Noisy Cora 5000 (left) and Noisy Citeseer (right), respectively.", + "type": "text" + } + ], + "index": 14 + }, + { + "bbox": [ + 106, + 343, + 271, + 353 + ], + "spans": [ + { + "bbox": [ + 106, + 343, + 271, + 353 + ], + "score": 1.0, + "content": "Concrete values are available in Table 4.", + "type": "text" + } + ], + "index": 15 + } + ], + "index": 14, + "bbox_fs": [ + 105, + 320, + 506, + 353 + ] + }, + { + "type": "title", + "bbox": [ + 106, + 366, + 340, + 377 + ], + "lines": [ + { + "bbox": [ + 105, + 365, + 341, + 379 + ], + "spans": [ + { + "bbox": [ + 105, + 365, + 341, + 379 + ], + "score": 1.0, + "content": "I.3.2 TRANSITION OF MAXIMUM SINGULAR VALUES", + "type": "text" + } + ], + "index": 16 + } + ], + "index": 16 + }, + { + "type": "text", + "bbox": [ + 106, + 385, + 505, + 419 + ], + "lines": [ + { + "bbox": [ + 105, + 384, + 505, + 398 + ], + "spans": [ + { + "bbox": [ + 105, + 384, + 505, + 398 + ], + "score": 1.0, + "content": "Figure 10 – 13 show the transition of weight of graph convolution layers during training when the", + "type": "text" + } + ], + "index": 17 + }, + { + "bbox": [ + 105, + 396, + 505, + 409 + ], + "spans": [ + { + "bbox": [ + 105, + 396, + 505, + 409 + ], + "score": 1.0, + "content": "dataset is Noisy Cora 2500, Noisy Cora 5000, and Noisy CiteSeer, respectively. We note that the", + "type": "text" + } + ], + "index": 18 + }, + { + "bbox": [ + 105, + 407, + 505, + 420 + ], + "spans": [ + { + "bbox": [ + 105, + 407, + 505, + 420 + ], + "score": 1.0, + "content": "result of 3-layered GCN from the Noisy Cora 2500 is identical to Figure 3 (right) of the main article.", + "type": "text" + } + ], + "index": 19 + } + ], + "index": 18, + "bbox_fs": [ + 105, + 384, + 505, + 420 + ] + }, + { + "type": "title", + "bbox": [ + 108, + 432, + 257, + 443 + ], + "lines": [ + { + "bbox": [ + 105, + 432, + 259, + 444 + ], + "spans": [ + { + "bbox": [ + 105, + 432, + 259, + 444 + ], + "score": 1.0, + "content": "I.4 EXPERIMENT OF SECTION 6.4", + "type": "text" + } + ], + "index": 20 + } + ], + "index": 20 + }, + { + "type": "text", + "bbox": [ + 106, + 452, + 505, + 541 + ], + "lines": [ + { + "bbox": [ + 105, + 452, + 505, + 466 + ], + "spans": [ + { + "bbox": [ + 105, + 452, + 505, + 466 + ], + "score": 1.0, + "content": "Figure 14 shows the logarithm of relative perpendicular component and prediction accuracy on", + "type": "text" + } + ], + "index": 21 + }, + { + "bbox": [ + 106, + 464, + 505, + 476 + ], + "spans": [ + { + "bbox": [ + 106, + 464, + 505, + 476 + ], + "score": 1.0, + "content": "Noisy Cora, Noisy CiteSeer, and Noisy PubMed datasets. We use Pearson R as a correlation co-", + "type": "text" + } + ], + "index": 22 + }, + { + "bbox": [ + 105, + 474, + 505, + 488 + ], + "spans": [ + { + "bbox": [ + 105, + 474, + 505, + 488 + ], + "score": 1.0, + "content": "efficient. If GCNs have only one layer, it has more large relative perpendicular components (cor-", + "type": "text" + } + ], + "index": 23 + }, + { + "bbox": [ + 105, + 486, + 505, + 498 + ], + "spans": [ + { + "bbox": [ + 105, + 486, + 505, + 498 + ], + "score": 1.0, + "content": "responding to right points in the figures) than GCNs which have other number of layers. The cor-", + "type": "text" + } + ], + "index": 24 + }, + { + "bbox": [ + 104, + 496, + 506, + 509 + ], + "spans": [ + { + "bbox": [ + 104, + 496, + 506, + 509 + ], + "score": 1.0, + "content": "relation between the logarithm of relative perpendicular components and prediction accuracies are", + "type": "text" + } + ], + "index": 25 + }, + { + "bbox": [ + 106, + 507, + 506, + 520 + ], + "spans": [ + { + "bbox": [ + 106, + 507, + 217, + 518 + ], + "score": 0.82, + "content": "0 . 8 2 7 ( p { = } 6 . 8 9 0 \\times \\bar { 1 0 } ^ { - 6 } )", + "type": "inline_equation" + }, + { + "bbox": [ + 217, + 507, + 290, + 520 + ], + "score": 1.0, + "content": "for Noisy Cora,", + "type": "text" + }, + { + "bbox": [ + 290, + 507, + 400, + 519 + ], + "score": 0.91, + "content": "\\mathrm { { 0 . 5 2 4 } } ( p \\ = \\ 1 . { \\bar { 7 } } 7 1 \\times 1 0 ^ { - 2 } )", + "type": "inline_equation" + }, + { + "bbox": [ + 401, + 507, + 506, + 520 + ], + "score": 1.0, + "content": "for Noisy CiteSeer, and", + "type": "text" + } + ], + "index": 26 + }, + { + "bbox": [ + 106, + 518, + 507, + 532 + ], + "spans": [ + { + "bbox": [ + 106, + 519, + 212, + 531 + ], + "score": 0.82, + "content": "0 . 6 7 9 ( p = 1 . 0 0 2 \\times 1 0 ^ { - 3 } )", + "type": "inline_equation" + }, + { + "bbox": [ + 212, + 518, + 507, + 532 + ], + "score": 1.0, + "content": "for Noisy PubMed, if we treat the one-layer case as outliers and remove", + "type": "text" + } + ], + "index": 27 + }, + { + "bbox": [ + 105, + 529, + 132, + 542 + ], + "spans": [ + { + "bbox": [ + 105, + 529, + 132, + 542 + ], + "score": 1.0, + "content": "them.", + "type": "text" + } + ], + "index": 28 + } + ], + "index": 24.5, + "bbox_fs": [ + 104, + 452, + 507, + 542 + ] + } + ] + }, + { + "preproc_blocks": [ + { + "type": "image", + "bbox": [ + 114, + 144, + 480, + 630 + ], + "blocks": [ + { + "type": "image_body", + "bbox": [ + 114, + 144, + 480, + 630 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 114, + 144, + 480, + 630 + ], + "spans": [ + { + "bbox": [ + 114, + 144, + 480, + 630 + ], + "score": 0.964, + "type": "image", + "image_path": "a88890af3061b7f6c52d0927100734218d69193a2aa1e144aab4bb8cd705f753.jpg" + } + ] + } + ], + "index": 1, + "virtual_lines": [ + { + "bbox": [ + 114, + 144, + 480, + 306.0 + ], + "spans": [], + "index": 0 + }, + { + "bbox": [ + 114, + 306.0, + 480, + 468.0 + ], + "spans": [], + "index": 1 + }, + { + "bbox": [ + 114, + 468.0, + 480, + 630.0 + ], + "spans": [], + "index": 2 + } + ] + }, + { + "type": "image_caption", + "bbox": [ + 106, + 638, + 505, + 672 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 106, + 638, + 504, + 650 + ], + "spans": [ + { + "bbox": [ + 106, + 638, + 199, + 650 + ], + "score": 1.0, + "content": "Figure 6: Vector field", + "type": "text" + }, + { + "bbox": [ + 199, + 639, + 209, + 649 + ], + "score": 0.76, + "content": "V", + "type": "inline_equation" + }, + { + "bbox": [ + 209, + 638, + 258, + 650 + ], + "score": 1.0, + "content": "for various", + "type": "text" + }, + { + "bbox": [ + 259, + 639, + 271, + 649 + ], + "score": 0.71, + "content": "W", + "type": "inline_equation" + }, + { + "bbox": [ + 271, + 638, + 365, + 650 + ], + "score": 1.0, + "content": "for Case 1. Top left:", + "type": "text" + }, + { + "bbox": [ + 365, + 639, + 407, + 649 + ], + "score": 0.89, + "content": "W = 0 . 5", + "type": "inline_equation" + }, + { + "bbox": [ + 407, + 638, + 459, + 650 + ], + "score": 1.0, + "content": ". Top right:", + "type": "text" + }, + { + "bbox": [ + 460, + 639, + 501, + 649 + ], + "score": 0.87, + "content": "W = 1 . 0", + "type": "inline_equation" + }, + { + "bbox": [ + 502, + 638, + 504, + 650 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 105, + 649, + 505, + 662 + ], + "spans": [ + { + "bbox": [ + 105, + 649, + 157, + 662 + ], + "score": 1.0, + "content": "Middle left:", + "type": "text" + }, + { + "bbox": [ + 158, + 650, + 196, + 660 + ], + "score": 0.9, + "content": "W = 1 . 2", + "type": "inline_equation" + }, + { + "bbox": [ + 197, + 649, + 410, + 662 + ], + "score": 1.0, + "content": "(same as Figure 1 in the main article). Middle right:", + "type": "text" + }, + { + "bbox": [ + 410, + 650, + 449, + 660 + ], + "score": 0.89, + "content": "W = 1 . 5", + "type": "inline_equation" + }, + { + "bbox": [ + 450, + 649, + 505, + 662 + ], + "score": 1.0, + "content": ". Bottom left:", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 106, + 659, + 325, + 672 + ], + "spans": [ + { + "bbox": [ + 106, + 660, + 145, + 671 + ], + "score": 0.89, + "content": "W = 2 . 0", + "type": "inline_equation" + }, + { + "bbox": [ + 145, + 659, + 205, + 672 + ], + "score": 1.0, + "content": ". Bottom right:", + "type": "text" + }, + { + "bbox": [ + 206, + 660, + 244, + 671 + ], + "score": 0.9, + "content": "W = 4 . 0", + "type": "inline_equation" + }, + { + "bbox": [ + 244, + 659, + 325, + 672 + ], + "score": 1.0, + "content": ". Best view in color.", + "type": "text" + } + ], + "index": 5 + } + ], + "index": 4 + } + ], + "index": 2.5 + } + ], + "page_idx": 27, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 107, + 27, + 293, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 300, + 751, + 311, + 760 + ], + "lines": [ + { + "bbox": [ + 298, + 750, + 313, + 763 + ], + "spans": [ + { + "bbox": [ + 298, + 750, + 313, + 763 + ], + "score": 1.0, + "content": "28", + "type": "text" + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "image", + "bbox": [ + 114, + 144, + 480, + 630 + ], + "blocks": [ + { + "type": "image_body", + "bbox": [ + 114, + 144, + 480, + 630 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 114, + 144, + 480, + 630 + ], + "spans": [ + { + "bbox": [ + 114, + 144, + 480, + 630 + ], + "score": 0.964, + "type": "image", + "image_path": "a88890af3061b7f6c52d0927100734218d69193a2aa1e144aab4bb8cd705f753.jpg" + } + ] + } + ], + "index": 1, + "virtual_lines": [ + { + "bbox": [ + 114, + 144, + 480, + 306.0 + ], + "spans": [], + "index": 0 + }, + { + "bbox": [ + 114, + 306.0, + 480, + 468.0 + ], + "spans": [], + "index": 1 + }, + { + "bbox": [ + 114, + 468.0, + 480, + 630.0 + ], + "spans": [], + "index": 2 + } + ] + }, + { + "type": "image_caption", + "bbox": [ + 106, + 638, + 505, + 672 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 106, + 638, + 504, + 650 + ], + "spans": [ + { + "bbox": [ + 106, + 638, + 199, + 650 + ], + "score": 1.0, + "content": "Figure 6: Vector field", + "type": "text" + }, + { + "bbox": [ + 199, + 639, + 209, + 649 + ], + "score": 0.76, + "content": "V", + "type": "inline_equation" + }, + { + "bbox": [ + 209, + 638, + 258, + 650 + ], + "score": 1.0, + "content": "for various", + "type": "text" + }, + { + "bbox": [ + 259, + 639, + 271, + 649 + ], + "score": 0.71, + "content": "W", + "type": "inline_equation" + }, + { + "bbox": [ + 271, + 638, + 365, + 650 + ], + "score": 1.0, + "content": "for Case 1. Top left:", + "type": "text" + }, + { + "bbox": [ + 365, + 639, + 407, + 649 + ], + "score": 0.89, + "content": "W = 0 . 5", + "type": "inline_equation" + }, + { + "bbox": [ + 407, + 638, + 459, + 650 + ], + "score": 1.0, + "content": ". Top right:", + "type": "text" + }, + { + "bbox": [ + 460, + 639, + 501, + 649 + ], + "score": 0.87, + "content": "W = 1 . 0", + "type": "inline_equation" + }, + { + "bbox": [ + 502, + 638, + 504, + 650 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 105, + 649, + 505, + 662 + ], + "spans": [ + { + "bbox": [ + 105, + 649, + 157, + 662 + ], + "score": 1.0, + "content": "Middle left:", + "type": "text" + }, + { + "bbox": [ + 158, + 650, + 196, + 660 + ], + "score": 0.9, + "content": "W = 1 . 2", + "type": "inline_equation" + }, + { + "bbox": [ + 197, + 649, + 410, + 662 + ], + "score": 1.0, + "content": "(same as Figure 1 in the main article). Middle right:", + "type": "text" + }, + { + "bbox": [ + 410, + 650, + 449, + 660 + ], + "score": 0.89, + "content": "W = 1 . 5", + "type": "inline_equation" + }, + { + "bbox": [ + 450, + 649, + 505, + 662 + ], + "score": 1.0, + "content": ". Bottom left:", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 106, + 659, + 325, + 672 + ], + "spans": [ + { + "bbox": [ + 106, + 660, + 145, + 671 + ], + "score": 0.89, + "content": "W = 2 . 0", + "type": "inline_equation" + }, + { + "bbox": [ + 145, + 659, + 205, + 672 + ], + "score": 1.0, + "content": ". Bottom right:", + "type": "text" + }, + { + "bbox": [ + 206, + 660, + 244, + 671 + ], + "score": 0.9, + "content": "W = 4 . 0", + "type": "inline_equation" + }, + { + "bbox": [ + 244, + 659, + 325, + 672 + ], + "score": 1.0, + "content": ". Best view in color.", + "type": "text" + } + ], + "index": 5 + } + ], + "index": 4 + } + ], + "index": 2.5 + } + ] + }, + { + "preproc_blocks": [ + { + "type": "image", + "bbox": [ + 114, + 143, + 480, + 630 + ], + "blocks": [ + { + "type": "image_body", + "bbox": [ + 114, + 143, + 480, + 630 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 114, + 143, + 480, + 630 + ], + "spans": [ + { + "bbox": [ + 114, + 143, + 480, + 630 + ], + "score": 0.962, + "type": "image", + "image_path": "55e8e2cb9210bdfb7542bd78186fe6fc29fb504e4a82ce013518941d8c8ae0bc.jpg" + } + ] + } + ], + "index": 1, + "virtual_lines": [ + { + "bbox": [ + 114, + 143, + 480, + 305.33333333333337 + ], + "spans": [], + "index": 0 + }, + { + "bbox": [ + 114, + 305.33333333333337, + 480, + 467.66666666666674 + ], + "spans": [], + "index": 1 + }, + { + "bbox": [ + 114, + 467.66666666666674, + 480, + 630.0000000000001 + ], + "spans": [], + "index": 2 + } + ] + }, + { + "type": "image_caption", + "bbox": [ + 106, + 638, + 505, + 672 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 105, + 637, + 505, + 651 + ], + "spans": [ + { + "bbox": [ + 105, + 637, + 199, + 651 + ], + "score": 1.0, + "content": "Figure 7: Vector field", + "type": "text" + }, + { + "bbox": [ + 199, + 639, + 209, + 649 + ], + "score": 0.76, + "content": "V", + "type": "inline_equation" + }, + { + "bbox": [ + 209, + 637, + 258, + 651 + ], + "score": 1.0, + "content": "for various", + "type": "text" + }, + { + "bbox": [ + 259, + 639, + 271, + 649 + ], + "score": 0.71, + "content": "W", + "type": "inline_equation" + }, + { + "bbox": [ + 271, + 637, + 365, + 651 + ], + "score": 1.0, + "content": "for Case 2. Top left:", + "type": "text" + }, + { + "bbox": [ + 365, + 639, + 407, + 649 + ], + "score": 0.89, + "content": "W = 0 . 5", + "type": "inline_equation" + }, + { + "bbox": [ + 407, + 637, + 459, + 651 + ], + "score": 1.0, + "content": ". Top right:", + "type": "text" + }, + { + "bbox": [ + 460, + 639, + 501, + 649 + ], + "score": 0.87, + "content": "W = 1 . 0", + "type": "inline_equation" + }, + { + "bbox": [ + 502, + 637, + 505, + 651 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 105, + 649, + 504, + 661 + ], + "spans": [ + { + "bbox": [ + 105, + 649, + 157, + 661 + ], + "score": 1.0, + "content": "Middle left:", + "type": "text" + }, + { + "bbox": [ + 158, + 650, + 196, + 660 + ], + "score": 0.9, + "content": "W = 1 . 2", + "type": "inline_equation" + }, + { + "bbox": [ + 197, + 649, + 410, + 661 + ], + "score": 1.0, + "content": "(same as Figure 1 in the main article). Middle right:", + "type": "text" + }, + { + "bbox": [ + 410, + 650, + 449, + 660 + ], + "score": 0.89, + "content": "W = 1 . 5", + "type": "inline_equation" + }, + { + "bbox": [ + 450, + 649, + 504, + 661 + ], + "score": 1.0, + "content": ". Bottom left:", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 106, + 660, + 325, + 672 + ], + "spans": [ + { + "bbox": [ + 106, + 660, + 145, + 671 + ], + "score": 0.89, + "content": "W = 2 . 0", + "type": "inline_equation" + }, + { + "bbox": [ + 145, + 660, + 205, + 672 + ], + "score": 1.0, + "content": ". Bottom right:", + "type": "text" + }, + { + "bbox": [ + 206, + 660, + 244, + 671 + ], + "score": 0.9, + "content": "W = 4 . 0", + "type": "inline_equation" + }, + { + "bbox": [ + 244, + 660, + 325, + 672 + ], + "score": 1.0, + "content": ". Best view in color.", + "type": "text" + } + ], + "index": 5 + } + ], + "index": 4 + } + ], + "index": 2.5 + } + ], + "page_idx": 28, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 107, + 27, + 293, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 300, + 751, + 311, + 760 + ], + "lines": [ + { + "bbox": [ + 298, + 750, + 313, + 764 + ], + "spans": [ + { + "bbox": [ + 298, + 750, + 313, + 764 + ], + "score": 1.0, + "content": "", + "type": "text", + "height": 14, + "width": 15 + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "image", + "bbox": [ + 114, + 143, + 480, + 630 + ], + "blocks": [ + { + "type": "image_body", + "bbox": [ + 114, + 143, + 480, + 630 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 114, + 143, + 480, + 630 + ], + "spans": [ + { + "bbox": [ + 114, + 143, + 480, + 630 + ], + "score": 0.962, + "type": "image", + "image_path": "55e8e2cb9210bdfb7542bd78186fe6fc29fb504e4a82ce013518941d8c8ae0bc.jpg" + } + ] + } + ], + "index": 1, + "virtual_lines": [ + { + "bbox": [ + 114, + 143, + 480, + 305.33333333333337 + ], + "spans": [], + "index": 0 + }, + { + "bbox": [ + 114, + 305.33333333333337, + 480, + 467.66666666666674 + ], + "spans": [], + "index": 1 + }, + { + "bbox": [ + 114, + 467.66666666666674, + 480, + 630.0000000000001 + ], + "spans": [], + "index": 2 + } + ] + }, + { + "type": "image_caption", + "bbox": [ + 106, + 638, + 505, + 672 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 105, + 637, + 505, + 651 + ], + "spans": [ + { + "bbox": [ + 105, + 637, + 199, + 651 + ], + "score": 1.0, + "content": "Figure 7: Vector field", + "type": "text" + }, + { + "bbox": [ + 199, + 639, + 209, + 649 + ], + "score": 0.76, + "content": "V", + "type": "inline_equation" + }, + { + "bbox": [ + 209, + 637, + 258, + 651 + ], + "score": 1.0, + "content": "for various", + "type": "text" + }, + { + "bbox": [ + 259, + 639, + 271, + 649 + ], + "score": 0.71, + "content": "W", + "type": "inline_equation" + }, + { + "bbox": [ + 271, + 637, + 365, + 651 + ], + "score": 1.0, + "content": "for Case 2. Top left:", + "type": "text" + }, + { + "bbox": [ + 365, + 639, + 407, + 649 + ], + "score": 0.89, + "content": "W = 0 . 5", + "type": "inline_equation" + }, + { + "bbox": [ + 407, + 637, + 459, + 651 + ], + "score": 1.0, + "content": ". Top right:", + "type": "text" + }, + { + "bbox": [ + 460, + 639, + 501, + 649 + ], + "score": 0.87, + "content": "W = 1 . 0", + "type": "inline_equation" + }, + { + "bbox": [ + 502, + 637, + 505, + 651 + ], + "score": 1.0, + "content": ".", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 105, + 649, + 504, + 661 + ], + "spans": [ + { + "bbox": [ + 105, + 649, + 157, + 661 + ], + "score": 1.0, + "content": "Middle left:", + "type": "text" + }, + { + "bbox": [ + 158, + 650, + 196, + 660 + ], + "score": 0.9, + "content": "W = 1 . 2", + "type": "inline_equation" + }, + { + "bbox": [ + 197, + 649, + 410, + 661 + ], + "score": 1.0, + "content": "(same as Figure 1 in the main article). Middle right:", + "type": "text" + }, + { + "bbox": [ + 410, + 650, + 449, + 660 + ], + "score": 0.89, + "content": "W = 1 . 5", + "type": "inline_equation" + }, + { + "bbox": [ + 450, + 649, + 504, + 661 + ], + "score": 1.0, + "content": ". Bottom left:", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 106, + 660, + 325, + 672 + ], + "spans": [ + { + "bbox": [ + 106, + 660, + 145, + 671 + ], + "score": 0.89, + "content": "W = 2 . 0", + "type": "inline_equation" + }, + { + "bbox": [ + 145, + 660, + 205, + 672 + ], + "score": 1.0, + "content": ". Bottom right:", + "type": "text" + }, + { + "bbox": [ + 206, + 660, + 244, + 671 + ], + "score": 0.9, + "content": "W = 4 . 0", + "type": "inline_equation" + }, + { + "bbox": [ + 244, + 660, + 325, + 672 + ], + "score": 1.0, + "content": ". Best view in color.", + "type": "text" + } + ], + "index": 5 + } + ], + "index": 4 + } + ], + "index": 2.5 + } + ] + }, + { + "preproc_blocks": [ + { + "type": "table", + "bbox": [ + 111, + 199, + 500, + 642 + ], + "blocks": [ + { + "type": "table_caption", + "bbox": [ + 105, + 175, + 504, + 208 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 105, + 175, + 505, + 189 + ], + "spans": [ + { + "bbox": [ + 105, + 175, + 505, + 189 + ], + "score": 1.0, + "content": "Table 4: Comparison of performance in terms of maximum singular value of weights and layer size.", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 106, + 186, + 473, + 199 + ], + "spans": [ + { + "bbox": [ + 106, + 186, + 473, + 199 + ], + "score": 1.0, + "content": "“U” in the right most column indicates the accuracy of GCN without weight normalization.", + "type": "text" + } + ], + "index": 1 + } + ], + "index": 0.5 + }, + { + "type": "table_body", + "bbox": [ + 111, + 199, + 500, + 642 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 111, + 199, + 500, + 642 + ], + "spans": [ + { + "bbox": [ + 111, + 199, + 500, + 642 + ], + "score": 0.861, + "html": "
Noisy Cora 2500
Depth1.05310U
10.389 ± 0.1010.429 ± 0.0900.552 ± 0.0140.632 ± 0.0070.587 ± 0.008
30.273 ± 0.0510.309 ± 0.0170.580± 0.0580.661 ± 0.0030.494 ± 0.041
50.319 ± 0.0000.267 ± 0.0590.462 ± 0.0650.602 ± 0.0040.326 ± 0.029
70.261 ± 0.0760.262 ±0.0800.407 ± 0.0210.501 ± 0.0170.279 ± 0.129
90.261 ± 0.0800.319 ± 0.0000.284 ± 0.1090.443 ± 0.0140.319 ± 0.000
Noisy Cora 5000
Maximum Singular Value
Depth11.1310U
10.301 ± 0.0800.333 ± 0.0990.557 ± 0.0040.561 ± 0.0190.555 ± 0.016
30.245 ± 0.0660.247 ± 0.0760.370 ± 0.0410.587 ± 0.0090.286 ± 0.066
50.274± 0.0480.237 ± 0.0700.257 ± 0.0760.535 ± 0.0310.319 ± 0.000
70.263 ± 0.0800.297 ± 0.0310.260 ± 0.0740.339 ± 0.0600.319 ± 0.000
90.262 ± 0.0810.258 ± 0.0640.262 ± 0.0800.261 ±0.0820.318 ± 0.002
Noisy CiteSeer
Maximum Singular Value
Depth0.51.1 310U
10.461 ± 0.0180.467 ± 0.0120.490 ± 0.0160.494 ± 0.0060.495 ± 0.009
30.438 ± 0.0270.436 ± 0.0100.450 ± 0.0190.462 ± 0.0070.417 ± 0.061
50.285 ± 0.0080.371 ± 0.0160.373 ± 0.0110.425 ± 0.0070.380 ± 0.024
70.213 ± 0.0060.282 ± 0.0110.309 ± 0.0120.385 ± 0.0070.308 ± 0.012
90.182 ± 0.0050.242 ± 0.0300.303 ± 0.0210.325 ± 0.0030.229 ± 0.033
Noisy Pubmed
Maximum Singular Value
Depth0.51.1310U
10.488 ± 0.0390.636 ± 0.0060.641 ± 0.0100.632 ± 0.0020.631 ± 0.010
30.442 ± 0.0270.426 ± 0.0260.658 ± 0.0040.661 ± 0.0050.631 ± 0.013
50.431 ± 0.0330.431 ± 0.0340.561 ± 0.0830.641 ± 0.0040.424 ± 0.093
70.428 ± 0.0320.443 ± 0.0510.449 ± 0.0350.619 ± 0.0110.440 ± 0.041
90.413 ± 0.0090.438 ± 0.0390.539 ± 0.0520.569 ± 0.0420.473 ± 0.031
", + "type": "table", + "image_path": "f96cfa9e68c23c4032c8a3be2585c35040745266b8bd544118d3a828d0808a9b.jpg" + } + ] + } + ], + "index": 3, + "virtual_lines": [ + { + "bbox": [ + 111, + 199, + 500, + 346.66666666666663 + ], + "spans": [], + "index": 2 + }, + { + "bbox": [ + 111, + 346.66666666666663, + 500, + 494.33333333333326 + ], + "spans": [], + "index": 3 + }, + { + "bbox": [ + 111, + 494.33333333333326, + 500, + 641.9999999999999 + ], + "spans": [], + "index": 4 + } + ] + } + ], + "index": 1.75 + } + ], + "page_idx": 29, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 107, + 27, + 294, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 300, + 751, + 311, + 760 + ], + "lines": [ + { + "bbox": [ + 298, + 750, + 313, + 763 + ], + "spans": [ + { + "bbox": [ + 298, + 750, + 313, + 763 + ], + "score": 1.0, + "content": "30", + "type": "text" + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "table", + "bbox": [ + 111, + 199, + 500, + 642 + ], + "blocks": [ + { + "type": "table_caption", + "bbox": [ + 105, + 175, + 504, + 208 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 105, + 175, + 505, + 189 + ], + "spans": [ + { + "bbox": [ + 105, + 175, + 505, + 189 + ], + "score": 1.0, + "content": "Table 4: Comparison of performance in terms of maximum singular value of weights and layer size.", + "type": "text" + } + ], + "index": 0 + }, + { + "bbox": [ + 106, + 186, + 473, + 199 + ], + "spans": [ + { + "bbox": [ + 106, + 186, + 473, + 199 + ], + "score": 1.0, + "content": "“U” in the right most column indicates the accuracy of GCN without weight normalization.", + "type": "text" + } + ], + "index": 1 + } + ], + "index": 0.5 + }, + { + "type": "table_body", + "bbox": [ + 111, + 199, + 500, + 642 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 111, + 199, + 500, + 642 + ], + "spans": [ + { + "bbox": [ + 111, + 199, + 500, + 642 + ], + "score": 0.861, + "html": "
Noisy Cora 2500
Depth1.05310U
10.389 ± 0.1010.429 ± 0.0900.552 ± 0.0140.632 ± 0.0070.587 ± 0.008
30.273 ± 0.0510.309 ± 0.0170.580± 0.0580.661 ± 0.0030.494 ± 0.041
50.319 ± 0.0000.267 ± 0.0590.462 ± 0.0650.602 ± 0.0040.326 ± 0.029
70.261 ± 0.0760.262 ±0.0800.407 ± 0.0210.501 ± 0.0170.279 ± 0.129
90.261 ± 0.0800.319 ± 0.0000.284 ± 0.1090.443 ± 0.0140.319 ± 0.000
Noisy Cora 5000
Maximum Singular Value
Depth11.1310U
10.301 ± 0.0800.333 ± 0.0990.557 ± 0.0040.561 ± 0.0190.555 ± 0.016
30.245 ± 0.0660.247 ± 0.0760.370 ± 0.0410.587 ± 0.0090.286 ± 0.066
50.274± 0.0480.237 ± 0.0700.257 ± 0.0760.535 ± 0.0310.319 ± 0.000
70.263 ± 0.0800.297 ± 0.0310.260 ± 0.0740.339 ± 0.0600.319 ± 0.000
90.262 ± 0.0810.258 ± 0.0640.262 ± 0.0800.261 ±0.0820.318 ± 0.002
Noisy CiteSeer
Maximum Singular Value
Depth0.51.1 310U
10.461 ± 0.0180.467 ± 0.0120.490 ± 0.0160.494 ± 0.0060.495 ± 0.009
30.438 ± 0.0270.436 ± 0.0100.450 ± 0.0190.462 ± 0.0070.417 ± 0.061
50.285 ± 0.0080.371 ± 0.0160.373 ± 0.0110.425 ± 0.0070.380 ± 0.024
70.213 ± 0.0060.282 ± 0.0110.309 ± 0.0120.385 ± 0.0070.308 ± 0.012
90.182 ± 0.0050.242 ± 0.0300.303 ± 0.0210.325 ± 0.0030.229 ± 0.033
Noisy Pubmed
Maximum Singular Value
Depth0.51.1310U
10.488 ± 0.0390.636 ± 0.0060.641 ± 0.0100.632 ± 0.0020.631 ± 0.010
30.442 ± 0.0270.426 ± 0.0260.658 ± 0.0040.661 ± 0.0050.631 ± 0.013
50.431 ± 0.0330.431 ± 0.0340.561 ± 0.0830.641 ± 0.0040.424 ± 0.093
70.428 ± 0.0320.443 ± 0.0510.449 ± 0.0350.619 ± 0.0110.440 ± 0.041
90.413 ± 0.0090.438 ± 0.0390.539 ± 0.0520.569 ± 0.0420.473 ± 0.031
", + "type": "table", + "image_path": "f96cfa9e68c23c4032c8a3be2585c35040745266b8bd544118d3a828d0808a9b.jpg" + } + ] + } + ], + "index": 3, + "virtual_lines": [ + { + "bbox": [ + 111, + 199, + 500, + 346.66666666666663 + ], + "spans": [], + "index": 2 + }, + { + "bbox": [ + 111, + 346.66666666666663, + 500, + 494.33333333333326 + ], + "spans": [], + "index": 3 + }, + { + "bbox": [ + 111, + 494.33333333333326, + 500, + 641.9999999999999 + ], + "spans": [], + "index": 4 + } + ] + } + ], + "index": 1.75 + } + ] + }, + { + "preproc_blocks": [ + { + "type": "image", + "bbox": [ + 117, + 211, + 488, + 524 + ], + "blocks": [ + { + "type": "image_body", + "bbox": [ + 117, + 211, + 488, + 524 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 117, + 211, + 488, + 524 + ], + "spans": [ + { + "bbox": [ + 117, + 211, + 488, + 524 + ], + "score": 0.976, + "type": "image", + "image_path": "35ca2d11400a46fce3bca8218b146c3b3f571e569a0c3840aef09cad2b8441e8.jpg" + } + ] + } + ], + "index": 1, + "virtual_lines": [ + { + "bbox": [ + 117, + 211, + 488, + 315.3333333333333 + ], + "spans": [], + "index": 0 + }, + { + "bbox": [ + 117, + 315.3333333333333, + 488, + 419.66666666666663 + ], + "spans": [], + "index": 1 + }, + { + "bbox": [ + 117, + 419.66666666666663, + 488, + 524.0 + ], + "spans": [], + "index": 2 + } + ] + }, + { + "type": "image_caption", + "bbox": [ + 106, + 539, + 506, + 604 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 106, + 539, + 505, + 552 + ], + "spans": [ + { + "bbox": [ + 106, + 539, + 223, + 552 + ], + "score": 1.0, + "content": "Figure 8: The actual distance", + "type": "text" + }, + { + "bbox": [ + 223, + 540, + 239, + 551 + ], + "score": 0.9, + "content": "d _ { \\mathcal { M } }", + "type": "inline_equation" + }, + { + "bbox": [ + 240, + 539, + 325, + 552 + ], + "score": 1.0, + "content": "to the invariant space", + "type": "text" + }, + { + "bbox": [ + 325, + 540, + 338, + 550 + ], + "score": 0.8, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 339, + 539, + 505, + 552 + ], + "score": 1.0, + "content": "and the upper bound inferred by Theorem", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 105, + 550, + 506, + 564 + ], + "spans": [ + { + "bbox": [ + 105, + 550, + 200, + 564 + ], + "score": 1.0, + "content": "1. The edge probability", + "type": "text" + }, + { + "bbox": [ + 200, + 552, + 207, + 563 + ], + "score": 0.8, + "content": "p", + "type": "inline_equation" + }, + { + "bbox": [ + 208, + 550, + 475, + 564 + ], + "score": 1.0, + "content": "takes 0.01(top), 0.1, 0.9(bottom) and the maximum singular value", + "type": "text" + }, + { + "bbox": [ + 476, + 553, + 482, + 561 + ], + "score": 0.78, + "content": "s", + "type": "inline_equation" + }, + { + "bbox": [ + 482, + 550, + 506, + 564 + ], + "score": 1.0, + "content": "takes", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 106, + 561, + 506, + 583 + ], + "spans": [ + { + "bbox": [ + 106, + 565, + 202, + 578 + ], + "score": 0.72, + "content": "0 . 1 ( \\mathrm { l e f t } ) , 1 . 0 , 1 0 ( \\mathrm { r i g h t } )", + "type": "inline_equation" + }, + { + "bbox": [ + 203, + 561, + 402, + 583 + ], + "score": 1.0, + "content": ". Blue lines are the log relative distance defined by", + "type": "text" + }, + { + "bbox": [ + 402, + 562, + 487, + 581 + ], + "score": 0.94, + "content": "\\begin{array} { r } { y ( l ) : = \\log \\frac { d _ { \\mathcal { M } } ( X ^ { ( l ) } ) } { d _ { \\mathcal { M } } ( X ^ { ( 0 ) } ) } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 487, + 561, + 506, + 583 + ], + "score": 1.0, + "content": "and", + "type": "text" + } + ], + "index": 5 + }, + { + "bbox": [ + 105, + 579, + 506, + 594 + ], + "spans": [ + { + "bbox": [ + 105, + 580, + 250, + 594 + ], + "score": 1.0, + "content": "orange dotted lines are upper bound", + "type": "text" + }, + { + "bbox": [ + 251, + 580, + 320, + 593 + ], + "score": 0.92, + "content": "y ( l ) : = l \\log ( s \\lambda )", + "type": "inline_equation" + }, + { + "bbox": [ + 320, + 580, + 350, + 594 + ], + "score": 1.0, + "content": ", where", + "type": "text" + }, + { + "bbox": [ + 350, + 579, + 371, + 591 + ], + "score": 0.9, + "content": "X ^ { ( 0 ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 371, + 580, + 461, + 594 + ], + "score": 1.0, + "content": "is the input signal and", + "type": "text" + }, + { + "bbox": [ + 461, + 580, + 480, + 591 + ], + "score": 0.9, + "content": "X ^ { ( l ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 480, + 580, + 506, + 594 + ], + "score": 1.0, + "content": "is the", + "type": "text" + } + ], + "index": 6 + }, + { + "bbox": [ + 106, + 592, + 279, + 605 + ], + "spans": [ + { + "bbox": [ + 106, + 592, + 160, + 605 + ], + "score": 1.0, + "content": "output of the", + "type": "text" + }, + { + "bbox": [ + 160, + 593, + 164, + 602 + ], + "score": 0.69, + "content": "l", + "type": "inline_equation" + }, + { + "bbox": [ + 165, + 592, + 279, + 605 + ], + "score": 1.0, + "content": "-th layer. Best view in color.", + "type": "text" + } + ], + "index": 7 + } + ], + "index": 5 + } + ], + "index": 3.0 + } + ], + "page_idx": 30, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 107, + 27, + 293, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 300, + 751, + 310, + 760 + ], + "lines": [ + { + "bbox": [ + 299, + 750, + 312, + 764 + ], + "spans": [ + { + "bbox": [ + 299, + 750, + 312, + 764 + ], + "score": 1.0, + "content": "", + "type": "text", + "height": 14, + "width": 13 + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "image", + "bbox": [ + 117, + 211, + 488, + 524 + ], + "blocks": [ + { + "type": "image_body", + "bbox": [ + 117, + 211, + 488, + 524 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 117, + 211, + 488, + 524 + ], + "spans": [ + { + "bbox": [ + 117, + 211, + 488, + 524 + ], + "score": 0.976, + "type": "image", + "image_path": "35ca2d11400a46fce3bca8218b146c3b3f571e569a0c3840aef09cad2b8441e8.jpg" + } + ] + } + ], + "index": 1, + "virtual_lines": [ + { + "bbox": [ + 117, + 211, + 488, + 315.3333333333333 + ], + "spans": [], + "index": 0 + }, + { + "bbox": [ + 117, + 315.3333333333333, + 488, + 419.66666666666663 + ], + "spans": [], + "index": 1 + }, + { + "bbox": [ + 117, + 419.66666666666663, + 488, + 524.0 + ], + "spans": [], + "index": 2 + } + ] + }, + { + "type": "image_caption", + "bbox": [ + 106, + 539, + 506, + 604 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 106, + 539, + 505, + 552 + ], + "spans": [ + { + "bbox": [ + 106, + 539, + 223, + 552 + ], + "score": 1.0, + "content": "Figure 8: The actual distance", + "type": "text" + }, + { + "bbox": [ + 223, + 540, + 239, + 551 + ], + "score": 0.9, + "content": "d _ { \\mathcal { M } }", + "type": "inline_equation" + }, + { + "bbox": [ + 240, + 539, + 325, + 552 + ], + "score": 1.0, + "content": "to the invariant space", + "type": "text" + }, + { + "bbox": [ + 325, + 540, + 338, + 550 + ], + "score": 0.8, + "content": "\\mathcal { M }", + "type": "inline_equation" + }, + { + "bbox": [ + 339, + 539, + 505, + 552 + ], + "score": 1.0, + "content": "and the upper bound inferred by Theorem", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 105, + 550, + 506, + 564 + ], + "spans": [ + { + "bbox": [ + 105, + 550, + 200, + 564 + ], + "score": 1.0, + "content": "1. The edge probability", + "type": "text" + }, + { + "bbox": [ + 200, + 552, + 207, + 563 + ], + "score": 0.8, + "content": "p", + "type": "inline_equation" + }, + { + "bbox": [ + 208, + 550, + 475, + 564 + ], + "score": 1.0, + "content": "takes 0.01(top), 0.1, 0.9(bottom) and the maximum singular value", + "type": "text" + }, + { + "bbox": [ + 476, + 553, + 482, + 561 + ], + "score": 0.78, + "content": "s", + "type": "inline_equation" + }, + { + "bbox": [ + 482, + 550, + 506, + 564 + ], + "score": 1.0, + "content": "takes", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 106, + 561, + 506, + 583 + ], + "spans": [ + { + "bbox": [ + 106, + 565, + 202, + 578 + ], + "score": 0.72, + "content": "0 . 1 ( \\mathrm { l e f t } ) , 1 . 0 , 1 0 ( \\mathrm { r i g h t } )", + "type": "inline_equation" + }, + { + "bbox": [ + 203, + 561, + 402, + 583 + ], + "score": 1.0, + "content": ". Blue lines are the log relative distance defined by", + "type": "text" + }, + { + "bbox": [ + 402, + 562, + 487, + 581 + ], + "score": 0.94, + "content": "\\begin{array} { r } { y ( l ) : = \\log \\frac { d _ { \\mathcal { M } } ( X ^ { ( l ) } ) } { d _ { \\mathcal { M } } ( X ^ { ( 0 ) } ) } } \\end{array}", + "type": "inline_equation" + }, + { + "bbox": [ + 487, + 561, + 506, + 583 + ], + "score": 1.0, + "content": "and", + "type": "text" + } + ], + "index": 5 + }, + { + "bbox": [ + 105, + 579, + 506, + 594 + ], + "spans": [ + { + "bbox": [ + 105, + 580, + 250, + 594 + ], + "score": 1.0, + "content": "orange dotted lines are upper bound", + "type": "text" + }, + { + "bbox": [ + 251, + 580, + 320, + 593 + ], + "score": 0.92, + "content": "y ( l ) : = l \\log ( s \\lambda )", + "type": "inline_equation" + }, + { + "bbox": [ + 320, + 580, + 350, + 594 + ], + "score": 1.0, + "content": ", where", + "type": "text" + }, + { + "bbox": [ + 350, + 579, + 371, + 591 + ], + "score": 0.9, + "content": "X ^ { ( 0 ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 371, + 580, + 461, + 594 + ], + "score": 1.0, + "content": "is the input signal and", + "type": "text" + }, + { + "bbox": [ + 461, + 580, + 480, + 591 + ], + "score": 0.9, + "content": "X ^ { ( l ) }", + "type": "inline_equation" + }, + { + "bbox": [ + 480, + 580, + 506, + 594 + ], + "score": 1.0, + "content": "is the", + "type": "text" + } + ], + "index": 6 + }, + { + "bbox": [ + 106, + 592, + 279, + 605 + ], + "spans": [ + { + "bbox": [ + 106, + 592, + 160, + 605 + ], + "score": 1.0, + "content": "output of the", + "type": "text" + }, + { + "bbox": [ + 160, + 593, + 164, + 602 + ], + "score": 0.69, + "content": "l", + "type": "inline_equation" + }, + { + "bbox": [ + 165, + 592, + 279, + 605 + ], + "score": 1.0, + "content": "-th layer. Best view in color.", + "type": "text" + } + ], + "index": 7 + } + ], + "index": 5 + } + ], + "index": 3.0 + } + ] + }, + { + "preproc_blocks": [ + { + "type": "image", + "bbox": [ + 122, + 93, + 488, + 660 + ], + "blocks": [ + { + "type": "image_body", + "bbox": [ + 122, + 93, + 488, + 660 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 122, + 93, + 488, + 660 + ], + "spans": [ + { + "bbox": [ + 122, + 93, + 488, + 660 + ], + "score": 0.961, + "type": "image", + "image_path": "e5a0ea6bac9839dd91cc7cc13ba7f7a7b0ff470526d0f4afb7388e35011ae897.jpg" + } + ] + } + ], + "index": 1, + "virtual_lines": [ + { + "bbox": [ + 122, + 93, + 488, + 282.0 + ], + "spans": [], + "index": 0 + }, + { + "bbox": [ + 122, + 282.0, + 488, + 471.0 + ], + "spans": [], + "index": 1 + }, + { + "bbox": [ + 122, + 471.0, + 488, + 660.0 + ], + "spans": [], + "index": 2 + } + ] + }, + { + "type": "image_caption", + "bbox": [ + 106, + 670, + 506, + 716 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 105, + 671, + 506, + 684 + ], + "spans": [ + { + "bbox": [ + 105, + 671, + 506, + 684 + ], + "score": 1.0, + "content": "Figure 9: Effect of the maximum singular values of weights on predictive performance. Horizontal", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 106, + 682, + 505, + 694 + ], + "spans": [ + { + "bbox": [ + 106, + 682, + 261, + 694 + ], + "score": 1.0, + "content": "dotted lines indicate the chance rates", + "type": "text" + }, + { + "bbox": [ + 261, + 682, + 289, + 692 + ], + "score": 0.85, + "content": "3 0 . 2 \\%", + "type": "inline_equation" + }, + { + "bbox": [ + 289, + 682, + 378, + 694 + ], + "score": 1.0, + "content": "for Noisy Cora 5000,", + "type": "text" + }, + { + "bbox": [ + 379, + 682, + 406, + 692 + ], + "score": 0.84, + "content": "2 1 . 2 \\%", + "type": "inline_equation" + }, + { + "bbox": [ + 406, + 682, + 505, + 694 + ], + "score": 1.0, + "content": "for Noisy CiteSeer, and", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 106, + 693, + 505, + 705 + ], + "spans": [ + { + "bbox": [ + 106, + 693, + 134, + 703 + ], + "score": 0.85, + "content": "3 9 . 9 \\%", + "type": "inline_equation" + }, + { + "bbox": [ + 134, + 693, + 505, + 705 + ], + "score": 1.0, + "content": "for Noisy PubMed). The error bar is the standard deviation of 3 trials. Left: Noisy Cora", + "type": "text" + } + ], + "index": 5 + }, + { + "bbox": [ + 105, + 703, + 403, + 717 + ], + "spans": [ + { + "bbox": [ + 105, + 703, + 403, + 717 + ], + "score": 1.0, + "content": "5000. Right: Noisy CiteSeer. Bottom: Noisy Pubmed. Best view in color.", + "type": "text" + } + ], + "index": 6 + } + ], + "index": 4.5 + } + ], + "index": 2.75 + } + ], + "page_idx": 31, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 107, + 27, + 293, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 300, + 751, + 311, + 761 + ], + "lines": [ + { + "bbox": [ + 298, + 750, + 313, + 765 + ], + "spans": [ + { + "bbox": [ + 298, + 750, + 313, + 765 + ], + "score": 1.0, + "content": "", + "type": "text", + "height": 15, + "width": 15 + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "image", + "bbox": [ + 122, + 93, + 488, + 660 + ], + "blocks": [ + { + "type": "image_body", + "bbox": [ + 122, + 93, + 488, + 660 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 122, + 93, + 488, + 660 + ], + "spans": [ + { + "bbox": [ + 122, + 93, + 488, + 660 + ], + "score": 0.961, + "type": "image", + "image_path": "e5a0ea6bac9839dd91cc7cc13ba7f7a7b0ff470526d0f4afb7388e35011ae897.jpg" + } + ] + } + ], + "index": 1, + "virtual_lines": [ + { + "bbox": [ + 122, + 93, + 488, + 282.0 + ], + "spans": [], + "index": 0 + }, + { + "bbox": [ + 122, + 282.0, + 488, + 471.0 + ], + "spans": [], + "index": 1 + }, + { + "bbox": [ + 122, + 471.0, + 488, + 660.0 + ], + "spans": [], + "index": 2 + } + ] + }, + { + "type": "image_caption", + "bbox": [ + 106, + 670, + 506, + 716 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 105, + 671, + 506, + 684 + ], + "spans": [ + { + "bbox": [ + 105, + 671, + 506, + 684 + ], + "score": 1.0, + "content": "Figure 9: Effect of the maximum singular values of weights on predictive performance. Horizontal", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 106, + 682, + 505, + 694 + ], + "spans": [ + { + "bbox": [ + 106, + 682, + 261, + 694 + ], + "score": 1.0, + "content": "dotted lines indicate the chance rates", + "type": "text" + }, + { + "bbox": [ + 261, + 682, + 289, + 692 + ], + "score": 0.85, + "content": "3 0 . 2 \\%", + "type": "inline_equation" + }, + { + "bbox": [ + 289, + 682, + 378, + 694 + ], + "score": 1.0, + "content": "for Noisy Cora 5000,", + "type": "text" + }, + { + "bbox": [ + 379, + 682, + 406, + 692 + ], + "score": 0.84, + "content": "2 1 . 2 \\%", + "type": "inline_equation" + }, + { + "bbox": [ + 406, + 682, + 505, + 694 + ], + "score": 1.0, + "content": "for Noisy CiteSeer, and", + "type": "text" + } + ], + "index": 4 + }, + { + "bbox": [ + 106, + 693, + 505, + 705 + ], + "spans": [ + { + "bbox": [ + 106, + 693, + 134, + 703 + ], + "score": 0.85, + "content": "3 9 . 9 \\%", + "type": "inline_equation" + }, + { + "bbox": [ + 134, + 693, + 505, + 705 + ], + "score": 1.0, + "content": "for Noisy PubMed). The error bar is the standard deviation of 3 trials. Left: Noisy Cora", + "type": "text" + } + ], + "index": 5 + }, + { + "bbox": [ + 105, + 703, + 403, + 717 + ], + "spans": [ + { + "bbox": [ + 105, + 703, + 403, + 717 + ], + "score": 1.0, + "content": "5000. Right: Noisy CiteSeer. Bottom: Noisy Pubmed. Best view in color.", + "type": "text" + } + ], + "index": 6 + } + ], + "index": 4.5 + } + ], + "index": 2.75 + } + ] + }, + { + "preproc_blocks": [ + { + "type": "image", + "bbox": [ + 117, + 192, + 495, + 581 + ], + "blocks": [ + { + "type": "image_body", + "bbox": [ + 117, + 192, + 495, + 581 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 117, + 192, + 495, + 581 + ], + "spans": [ + { + "bbox": [ + 117, + 192, + 495, + 581 + ], + "score": 0.977, + "type": "image", + "image_path": "fbb64a2ad3ffb4819bd64e9f80ed2a25542f265d2c003b561d981ebe46bf9d83.jpg" + } + ] + } + ], + "index": 1, + "virtual_lines": [ + { + "bbox": [ + 117, + 192, + 495, + 321.66666666666663 + ], + "spans": [], + "index": 0 + }, + { + "bbox": [ + 117, + 321.66666666666663, + 495, + 451.33333333333326 + ], + "spans": [], + "index": 1 + }, + { + "bbox": [ + 117, + 451.33333333333326, + 495, + 580.9999999999999 + ], + "spans": [], + "index": 2 + } + ] + }, + { + "type": "image_caption", + "bbox": [ + 106, + 600, + 504, + 623 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 106, + 600, + 504, + 613 + ], + "spans": [ + { + "bbox": [ + 106, + 600, + 504, + 613 + ], + "score": 1.0, + "content": "Figure 10: Transition of maximum singular values of GCN during training using Noisy Cora 2500.", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 106, + 611, + 436, + 624 + ], + "spans": [ + { + "bbox": [ + 106, + 611, + 436, + 624 + ], + "score": 1.0, + "content": "Top left: 1 layer. Top right: 5 layers. Bottom left: 7 layers. Bottom right: 9 layers.", + "type": "text" + } + ], + "index": 4 + } + ], + "index": 3.5 + } + ], + "index": 2.25 + } + ], + "page_idx": 32, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 107, + 27, + 293, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 300, + 751, + 311, + 760 + ], + "lines": [ + { + "bbox": [ + 298, + 750, + 312, + 763 + ], + "spans": [ + { + "bbox": [ + 298, + 750, + 312, + 763 + ], + "score": 1.0, + "content": "33", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 270, + 187, + 341, + 197 + ], + "lines": [ + { + "bbox": [ + 269, + 185, + 342, + 199 + ], + "spans": [ + { + "bbox": [ + 269, + 185, + 342, + 199 + ], + "score": 1.0, + "content": "Noisy Cora 2500", + "type": "text" + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "image", + "bbox": [ + 117, + 192, + 495, + 581 + ], + "blocks": [ + { + "type": "image_body", + "bbox": [ + 117, + 192, + 495, + 581 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 117, + 192, + 495, + 581 + ], + "spans": [ + { + "bbox": [ + 117, + 192, + 495, + 581 + ], + "score": 0.977, + "type": "image", + "image_path": "fbb64a2ad3ffb4819bd64e9f80ed2a25542f265d2c003b561d981ebe46bf9d83.jpg" + } + ] + } + ], + "index": 1, + "virtual_lines": [ + { + "bbox": [ + 117, + 192, + 495, + 321.66666666666663 + ], + "spans": [], + "index": 0 + }, + { + "bbox": [ + 117, + 321.66666666666663, + 495, + 451.33333333333326 + ], + "spans": [], + "index": 1 + }, + { + "bbox": [ + 117, + 451.33333333333326, + 495, + 580.9999999999999 + ], + "spans": [], + "index": 2 + } + ] + }, + { + "type": "image_caption", + "bbox": [ + 106, + 600, + 504, + 623 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 106, + 600, + 504, + 613 + ], + "spans": [ + { + "bbox": [ + 106, + 600, + 504, + 613 + ], + "score": 1.0, + "content": "Figure 10: Transition of maximum singular values of GCN during training using Noisy Cora 2500.", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 106, + 611, + 436, + 624 + ], + "spans": [ + { + "bbox": [ + 106, + 611, + 436, + 624 + ], + "score": 1.0, + "content": "Top left: 1 layer. Top right: 5 layers. Bottom left: 7 layers. Bottom right: 9 layers.", + "type": "text" + } + ], + "index": 4 + } + ], + "index": 3.5 + } + ], + "index": 2.25 + } + ] + }, + { + "preproc_blocks": [ + { + "type": "image", + "bbox": [ + 114, + 193, + 493, + 582 + ], + "blocks": [ + { + "type": "image_body", + "bbox": [ + 114, + 193, + 493, + 582 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 114, + 193, + 493, + 582 + ], + "spans": [ + { + "bbox": [ + 114, + 193, + 493, + 582 + ], + "score": 0.976, + "type": "image", + "image_path": "1f6937585cdf3a009373b92bd7684c89717d7794c270d219f6efef36b2ea759b.jpg" + } + ] + } + ], + "index": 1, + "virtual_lines": [ + { + "bbox": [ + 114, + 193, + 493, + 322.66666666666663 + ], + "spans": [], + "index": 0 + }, + { + "bbox": [ + 114, + 322.66666666666663, + 493, + 452.33333333333326 + ], + "spans": [], + "index": 1 + }, + { + "bbox": [ + 114, + 452.33333333333326, + 493, + 581.9999999999999 + ], + "spans": [], + "index": 2 + } + ] + }, + { + "type": "image_caption", + "bbox": [ + 105, + 600, + 504, + 624 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 106, + 600, + 504, + 613 + ], + "spans": [ + { + "bbox": [ + 106, + 600, + 504, + 613 + ], + "score": 1.0, + "content": "Figure 11: Transition of maximum singular values of GCN during training using Noisy Cora 5000.", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 105, + 611, + 505, + 624 + ], + "spans": [ + { + "bbox": [ + 105, + 611, + 505, + 624 + ], + "score": 1.0, + "content": "Top left: 1 layer. Top right: 3 layers. Middle left: 5 layers. Middle right: 7 layers. Bottom: 9 layers.", + "type": "text" + } + ], + "index": 4 + } + ], + "index": 3.5 + } + ], + "index": 2.25 + } + ], + "page_idx": 33, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 107, + 27, + 293, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 300, + 751, + 311, + 760 + ], + "lines": [ + { + "bbox": [ + 298, + 749, + 313, + 764 + ], + "spans": [ + { + "bbox": [ + 298, + 749, + 313, + 764 + ], + "score": 1.0, + "content": "", + "type": "text", + "height": 15, + "width": 15 + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 270, + 187, + 341, + 197 + ], + "lines": [ + { + "bbox": [ + 269, + 185, + 342, + 199 + ], + "spans": [ + { + "bbox": [ + 269, + 185, + 342, + 199 + ], + "score": 1.0, + "content": "Noisy Cora 5000", + "type": "text" + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "image", + "bbox": [ + 114, + 193, + 493, + 582 + ], + "blocks": [ + { + "type": "image_body", + "bbox": [ + 114, + 193, + 493, + 582 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 114, + 193, + 493, + 582 + ], + "spans": [ + { + "bbox": [ + 114, + 193, + 493, + 582 + ], + "score": 0.976, + "type": "image", + "image_path": "1f6937585cdf3a009373b92bd7684c89717d7794c270d219f6efef36b2ea759b.jpg" + } + ] + } + ], + "index": 1, + "virtual_lines": [ + { + "bbox": [ + 114, + 193, + 493, + 322.66666666666663 + ], + "spans": [], + "index": 0 + }, + { + "bbox": [ + 114, + 322.66666666666663, + 493, + 452.33333333333326 + ], + "spans": [], + "index": 1 + }, + { + "bbox": [ + 114, + 452.33333333333326, + 493, + 581.9999999999999 + ], + "spans": [], + "index": 2 + } + ] + }, + { + "type": "image_caption", + "bbox": [ + 105, + 600, + 504, + 624 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 106, + 600, + 504, + 613 + ], + "spans": [ + { + "bbox": [ + 106, + 600, + 504, + 613 + ], + "score": 1.0, + "content": "Figure 11: Transition of maximum singular values of GCN during training using Noisy Cora 5000.", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 105, + 611, + 505, + 624 + ], + "spans": [ + { + "bbox": [ + 105, + 611, + 505, + 624 + ], + "score": 1.0, + "content": "Top left: 1 layer. Top right: 3 layers. Middle left: 5 layers. Middle right: 7 layers. Bottom: 9 layers.", + "type": "text" + } + ], + "index": 4 + } + ], + "index": 3.5 + } + ], + "index": 2.25 + } + ] + }, + { + "preproc_blocks": [ + { + "type": "image", + "bbox": [ + 117, + 192, + 495, + 581 + ], + "blocks": [ + { + "type": "image_body", + "bbox": [ + 117, + 192, + 495, + 581 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 117, + 192, + 495, + 581 + ], + "spans": [ + { + "bbox": [ + 117, + 192, + 495, + 581 + ], + "score": 0.977, + "type": "image", + "image_path": "370a0e6bddfbd9236178e95fde9473ffa8af793fdb6a431485b1c118dd5fa30b.jpg" + } + ] + } + ], + "index": 1, + "virtual_lines": [ + { + "bbox": [ + 117, + 192, + 495, + 321.66666666666663 + ], + "spans": [], + "index": 0 + }, + { + "bbox": [ + 117, + 321.66666666666663, + 495, + 451.33333333333326 + ], + "spans": [], + "index": 1 + }, + { + "bbox": [ + 117, + 451.33333333333326, + 495, + 580.9999999999999 + ], + "spans": [], + "index": 2 + } + ] + }, + { + "type": "image_caption", + "bbox": [ + 106, + 600, + 504, + 623 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 106, + 600, + 505, + 613 + ], + "spans": [ + { + "bbox": [ + 106, + 600, + 505, + 613 + ], + "score": 1.0, + "content": "Figure 12: Transition of maximum singular values of GCN during training using Noisy CiteSeer.", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 106, + 611, + 505, + 624 + ], + "spans": [ + { + "bbox": [ + 106, + 611, + 505, + 624 + ], + "score": 1.0, + "content": "Top left: 1 layer. Top right: 3 layers. Middle left: 5 layers. Middle right: 7 layers. Bottom: 9 layers.", + "type": "text" + } + ], + "index": 4 + } + ], + "index": 3.5 + } + ], + "index": 2.25 + } + ], + "page_idx": 34, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 107, + 27, + 293, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 300, + 751, + 311, + 760 + ], + "lines": [ + { + "bbox": [ + 298, + 749, + 313, + 764 + ], + "spans": [ + { + "bbox": [ + 298, + 749, + 313, + 764 + ], + "score": 1.0, + "content": "", + "type": "text", + "height": 15, + "width": 15 + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "image", + "bbox": [ + 117, + 192, + 495, + 581 + ], + "blocks": [ + { + "type": "image_body", + "bbox": [ + 117, + 192, + 495, + 581 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 117, + 192, + 495, + 581 + ], + "spans": [ + { + "bbox": [ + 117, + 192, + 495, + 581 + ], + "score": 0.977, + "type": "image", + "image_path": "370a0e6bddfbd9236178e95fde9473ffa8af793fdb6a431485b1c118dd5fa30b.jpg" + } + ] + } + ], + "index": 1, + "virtual_lines": [ + { + "bbox": [ + 117, + 192, + 495, + 321.66666666666663 + ], + "spans": [], + "index": 0 + }, + { + "bbox": [ + 117, + 321.66666666666663, + 495, + 451.33333333333326 + ], + "spans": [], + "index": 1 + }, + { + "bbox": [ + 117, + 451.33333333333326, + 495, + 580.9999999999999 + ], + "spans": [], + "index": 2 + } + ] + }, + { + "type": "image_caption", + "bbox": [ + 106, + 600, + 504, + 623 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 106, + 600, + 505, + 613 + ], + "spans": [ + { + "bbox": [ + 106, + 600, + 505, + 613 + ], + "score": 1.0, + "content": "Figure 12: Transition of maximum singular values of GCN during training using Noisy CiteSeer.", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 106, + 611, + 505, + 624 + ], + "spans": [ + { + "bbox": [ + 106, + 611, + 505, + 624 + ], + "score": 1.0, + "content": "Top left: 1 layer. Top right: 3 layers. Middle left: 5 layers. Middle right: 7 layers. Bottom: 9 layers.", + "type": "text" + } + ], + "index": 4 + } + ], + "index": 3.5 + } + ], + "index": 2.25 + } + ] + }, + { + "preproc_blocks": [ + { + "type": "image", + "bbox": [ + 117, + 191, + 493, + 581 + ], + "blocks": [ + { + "type": "image_body", + "bbox": [ + 117, + 191, + 493, + 581 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 117, + 191, + 493, + 581 + ], + "spans": [ + { + "bbox": [ + 117, + 191, + 493, + 581 + ], + "score": 0.977, + "type": "image", + "image_path": "8af84ea100c71eb26aa2e941cecfd27c1136c5885b58d83ae02109b6e1ef5f4c.jpg" + } + ] + } + ], + "index": 1, + "virtual_lines": [ + { + "bbox": [ + 117, + 191, + 493, + 321.0 + ], + "spans": [], + "index": 0 + }, + { + "bbox": [ + 117, + 321.0, + 493, + 451.0 + ], + "spans": [], + "index": 1 + }, + { + "bbox": [ + 117, + 451.0, + 493, + 581.0 + ], + "spans": [], + "index": 2 + } + ] + }, + { + "type": "image_caption", + "bbox": [ + 106, + 600, + 504, + 623 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 106, + 600, + 505, + 613 + ], + "spans": [ + { + "bbox": [ + 106, + 600, + 505, + 613 + ], + "score": 1.0, + "content": "Figure 13: Transition of maximum singular values of GCN during training using Noisy PubMed.", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 105, + 610, + 506, + 625 + ], + "spans": [ + { + "bbox": [ + 105, + 610, + 506, + 625 + ], + "score": 1.0, + "content": "Top left: 1 layer. Top right: 3 layers. Middle left: 5 layers. Middle right: 7 layers. Bottom: 9 layers.", + "type": "text" + } + ], + "index": 4 + } + ], + "index": 3.5 + } + ], + "index": 2.25 + } + ], + "page_idx": 35, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 107, + 27, + 293, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 300, + 751, + 311, + 760 + ], + "lines": [ + { + "bbox": [ + 298, + 750, + 313, + 763 + ], + "spans": [ + { + "bbox": [ + 298, + 750, + 313, + 763 + ], + "score": 1.0, + "content": "36", + "type": "text" + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "image", + "bbox": [ + 117, + 191, + 493, + 581 + ], + "blocks": [ + { + "type": "image_body", + "bbox": [ + 117, + 191, + 493, + 581 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 117, + 191, + 493, + 581 + ], + "spans": [ + { + "bbox": [ + 117, + 191, + 493, + 581 + ], + "score": 0.977, + "type": "image", + "image_path": "8af84ea100c71eb26aa2e941cecfd27c1136c5885b58d83ae02109b6e1ef5f4c.jpg" + } + ] + } + ], + "index": 1, + "virtual_lines": [ + { + "bbox": [ + 117, + 191, + 493, + 321.0 + ], + "spans": [], + "index": 0 + }, + { + "bbox": [ + 117, + 321.0, + 493, + 451.0 + ], + "spans": [], + "index": 1 + }, + { + "bbox": [ + 117, + 451.0, + 493, + 581.0 + ], + "spans": [], + "index": 2 + } + ] + }, + { + "type": "image_caption", + "bbox": [ + 106, + 600, + 504, + 623 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 106, + 600, + 505, + 613 + ], + "spans": [ + { + "bbox": [ + 106, + 600, + 505, + 613 + ], + "score": 1.0, + "content": "Figure 13: Transition of maximum singular values of GCN during training using Noisy PubMed.", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 105, + 610, + 506, + 625 + ], + "spans": [ + { + "bbox": [ + 105, + 610, + 506, + 625 + ], + "score": 1.0, + "content": "Top left: 1 layer. Top right: 3 layers. Middle left: 5 layers. Middle right: 7 layers. Bottom: 9 layers.", + "type": "text" + } + ], + "index": 4 + } + ], + "index": 3.5 + } + ], + "index": 2.25 + } + ] + }, + { + "preproc_blocks": [ + { + "type": "image", + "bbox": [ + 122, + 299, + 487, + 477 + ], + "blocks": [ + { + "type": "image_body", + "bbox": [ + 122, + 299, + 487, + 477 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 122, + 299, + 487, + 477 + ], + "spans": [ + { + "bbox": [ + 122, + 299, + 487, + 477 + ], + "score": 0.849, + "type": "image", + "image_path": "8d0df2fb98721b929112213b1bfbe51f28bd6ef4fb7b8349a5cec2e5bf926177.jpg" + } + ] + } + ], + "index": 1, + "virtual_lines": [ + { + "bbox": [ + 122, + 299, + 487, + 358.3333333333333 + ], + "spans": [], + "index": 0 + }, + { + "bbox": [ + 122, + 358.3333333333333, + 487, + 417.66666666666663 + ], + "spans": [], + "index": 1 + }, + { + "bbox": [ + 122, + 417.66666666666663, + 487, + 476.99999999999994 + ], + "spans": [], + "index": 2 + } + ] + }, + { + "type": "image_caption", + "bbox": [ + 106, + 493, + 506, + 516 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 105, + 492, + 505, + 507 + ], + "spans": [ + { + "bbox": [ + 105, + 492, + 505, + 507 + ], + "score": 1.0, + "content": "Figure 14: Logarithm of relative perpendicular component and prediction accuracy. Left: Noisy", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 106, + 504, + 502, + 516 + ], + "spans": [ + { + "bbox": [ + 106, + 504, + 239, + 516 + ], + "score": 1.0, + "content": "CiteSeer. Right: Noisy PubMed.", + "type": "text" + }, + { + "bbox": [ + 239, + 506, + 246, + 516 + ], + "score": 0.78, + "content": "p", + "type": "inline_equation" + }, + { + "bbox": [ + 246, + 504, + 347, + 516 + ], + "score": 1.0, + "content": "in the title represents the", + "type": "text" + }, + { + "bbox": [ + 347, + 506, + 354, + 516 + ], + "score": 0.8, + "content": "p", + "type": "inline_equation" + }, + { + "bbox": [ + 354, + 504, + 502, + 516 + ], + "score": 1.0, + "content": "-value for the Pearson R coefficients.", + "type": "text" + } + ], + "index": 4 + } + ], + "index": 3.5 + } + ], + "index": 2.25 + } + ], + "page_idx": 36, + "page_size": [ + 612, + 792 + ], + "discarded_blocks": [ + { + "type": "discarded", + "bbox": [ + 107, + 27, + 294, + 37 + ], + "lines": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "spans": [ + { + "bbox": [ + 106, + 26, + 294, + 38 + ], + "score": 1.0, + "content": "Published as a conference paper at ICLR 2020", + "type": "text" + } + ] + } + ] + }, + { + "type": "discarded", + "bbox": [ + 300, + 751, + 311, + 760 + ], + "lines": [ + { + "bbox": [ + 298, + 750, + 313, + 764 + ], + "spans": [ + { + "bbox": [ + 298, + 750, + 313, + 764 + ], + "score": 1.0, + "content": "", + "type": "text", + "height": 14, + "width": 15 + } + ] + } + ] + } + ], + "para_blocks": [ + { + "type": "image", + "bbox": [ + 122, + 299, + 487, + 477 + ], + "blocks": [ + { + "type": "image_body", + "bbox": [ + 122, + 299, + 487, + 477 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 122, + 299, + 487, + 477 + ], + "spans": [ + { + "bbox": [ + 122, + 299, + 487, + 477 + ], + "score": 0.849, + "type": "image", + "image_path": "8d0df2fb98721b929112213b1bfbe51f28bd6ef4fb7b8349a5cec2e5bf926177.jpg" + } + ] + } + ], + "index": 1, + "virtual_lines": [ + { + "bbox": [ + 122, + 299, + 487, + 358.3333333333333 + ], + "spans": [], + "index": 0 + }, + { + "bbox": [ + 122, + 358.3333333333333, + 487, + 417.66666666666663 + ], + "spans": [], + "index": 1 + }, + { + "bbox": [ + 122, + 417.66666666666663, + 487, + 476.99999999999994 + ], + "spans": [], + "index": 2 + } + ] + }, + { + "type": "image_caption", + "bbox": [ + 106, + 493, + 506, + 516 + ], + "group_id": 0, + "lines": [ + { + "bbox": [ + 105, + 492, + 505, + 507 + ], + "spans": [ + { + "bbox": [ + 105, + 492, + 505, + 507 + ], + "score": 1.0, + "content": "Figure 14: Logarithm of relative perpendicular component and prediction accuracy. Left: Noisy", + "type": "text" + } + ], + "index": 3 + }, + { + "bbox": [ + 106, + 504, + 502, + 516 + ], + "spans": [ + { + "bbox": [ + 106, + 504, + 239, + 516 + ], + "score": 1.0, + "content": "CiteSeer. Right: Noisy PubMed.", + "type": "text" + }, + { + "bbox": [ + 239, + 506, + 246, + 516 + ], + "score": 0.78, + "content": "p", + "type": "inline_equation" + }, + { + "bbox": [ + 246, + 504, + 347, + 516 + ], + "score": 1.0, + "content": "in the title represents the", + "type": "text" + }, + { + "bbox": [ + 347, + 506, + 354, + 516 + ], + "score": 0.8, + "content": "p", + "type": "inline_equation" + }, + { + "bbox": [ + 354, + 504, + 502, + 516 + ], + "score": 1.0, + "content": "-value for the Pearson R coefficients.", + "type": "text" + } + ], + "index": 4 + } + ], + "index": 3.5 + } + ], + "index": 2.25 + } + ] + } + ], + "_backend": "pipeline", + "_version_name": "2.2.2" +} \ No newline at end of file