text null | inputs dict | prediction null | prediction_agent null | annotation list | annotation_agent null | multi_label bool 1
class | explanation null | id stringlengths 1 5 | metadata null | status stringclasses 2
values | event_timestamp null | metrics null |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
null | {
"abstract": " We define an infinite measure-preserving transformation to have infinite\nsymmetric ergodic index if all finite Cartesian products of the transformation\nand its inverse are ergodic, and show that infinite symmetric ergodic index\ndoes not imply that all products of powers are conservative, so does n... | null | null | [
"Mathematics"
] | null | true | null | 20101 | null | Validated | null | null |
null | {
"abstract": " An exciting branch of machine learning research focuses on methods for\nlearning, optimizing, and integrating unknown functions that are difficult or\ncostly to evaluate. A popular Bayesian approach to this problem uses a Gaussian\nprocess (GP) to construct a posterior distribution over the function ... | null | null | null | null | true | null | 20102 | null | Default | null | null |
null | {
"abstract": " We consider a system of nonlinear partial differential equations that\ndescribes an age-structured population inhabiting several temporally varying\npatches. We prove existence and uniqueness of solution and analyze its\nlarge-time behavior in cases when the environment is constant and when it\nchang... | null | null | null | null | true | null | 20103 | null | Default | null | null |
null | {
"abstract": " We report the development of indium oxide (In2O3) transistors via a single\nstep laser-induced photochemical conversion process of a sol-gel metal oxide\nprecursor. Through careful optimization of the laser annealing conditions we\ndemonstrated successful conversion of the precursor to In2O3 and its ... | null | null | null | null | true | null | 20104 | null | Default | null | null |
null | {
"abstract": " In this paper, change-point problems for long memory stochastic volatility\nmodels are considered. A general testing problem which includes various\nalternative hypotheses is discussed. Under the hypothesis of stationarity the\nlimiting behavior of CUSUM- and Wilcoxon-type test statistics is derived.... | null | null | null | null | true | null | 20105 | null | Default | null | null |
null | {
"abstract": " Gravity assist manoeuvres are one of the most succesful techniques in\nastrodynamics. In these trajectories the spacecraft comes very close to the\nsurface of the Earth, or other Solar system planets or moons, and, as a\nconsequence, it experiences the effect of atmospheric friction by the outer\nlay... | null | null | null | null | true | null | 20106 | null | Default | null | null |
null | {
"abstract": " In the last years, model checking with interval temporal logics is emerging\nas a viable alternative to model checking with standard point-based temporal\nlogics, such as LTL, CTL, CTL*, and the like. The behavior of the system is\nmodeled by means of (finite) Kripke structures, as usual. However, wh... | null | null | null | null | true | null | 20107 | null | Default | null | null |
null | {
"abstract": " Next investigations in our program of transition from the He atom to the\ncomplex atoms description have been presented. The method of interacting\nconfigurations in the complex number representation is under consideration. The\nspectroscopic characteristics of the Mg and Ca atoms in the problem of t... | null | null | null | null | true | null | 20108 | null | Default | null | null |
null | {
"abstract": " An important and emerging component of planetary exploration is sample\nretrieval and return to Earth. Obtaining and analyzing rock samples can provide\nunprecedented insight into the geology, geo-history and prospects for finding\npast life and water. Current methods of exploration rely on mission s... | null | null | null | null | true | null | 20109 | null | Default | null | null |
null | {
"abstract": " We consider the motion of incompressible viscous fluids bounded above by a\nfree surface and below by a solid surface in the $N$-dimensional Euclidean\nspace for $N\\geq 2$ when the gravity is not taken into account. The aim of this\npaper is to show the global solvability of the Naiver-Stokes equati... | null | null | null | null | true | null | 20110 | null | Default | null | null |
null | {
"abstract": " We study the fundamental group of the complement of the singular locus of\nLauricella's hypergeometric function $F_C$ of $n$ variables. The singular locus\nconsists of $n$ hyperplanes and a hypersurface of degree $2^{n-1}$ in the\ncomplex $n$-space. We derive some relations that holds for general $n\... | null | null | null | null | true | null | 20111 | null | Default | null | null |
null | {
"abstract": " Spectral Clustering (SC) is a widely used data clustering method which first\nlearns a low-dimensional embedding $U$ of data by computing the eigenvectors of\nthe normalized Laplacian matrix, and then performs k-means on $U^\\top$ to get\nthe final clustering result. The Sparse Spectral Clustering (S... | null | null | null | null | true | null | 20112 | null | Default | null | null |
null | {
"abstract": " A hyperbolic space has been shown to be more capable of modeling complex\nnetworks than a Euclidean space. This paper proposes an explicit update rule\nalong geodesics in a hyperbolic space. The convergence of our algorithm is\ntheoretically guaranteed, and the convergence rate is better than the\nco... | null | null | [
"Statistics"
] | null | true | null | 20113 | null | Validated | null | null |
null | {
"abstract": " We present a parameterized approach to produce personalized variable length\nsummaries of soccer matches. Our approach is based on temporally segmenting the\nsoccer video into 'plays', associating a user-specifiable 'utility' for each\ntype of play and using 'bin-packing' to select a subset of the pl... | null | null | [
"Computer Science"
] | null | true | null | 20114 | null | Validated | null | null |
null | {
"abstract": " Recent studies have revealed the vulnerability of deep neural networks: A\nsmall adversarial perturbation that is imperceptible to human can easily make a\nwell-trained deep neural network misclassify. This makes it unsafe to apply\nneural networks in security-critical applications. In this paper, we... | null | null | null | null | true | null | 20115 | null | Default | null | null |
null | {
"abstract": " The detection of intermediate mass black holes (IMBHs) in Galactic globular\nclusters (GCs) has so far been controversial. In order to characterize the\neffectiveness of integrated-light spectroscopy through integral field units, we\nanalyze realistic mock data generated from state-of-the-art Monte C... | null | null | [
"Physics"
] | null | true | null | 20116 | null | Validated | null | null |
null | {
"abstract": " We examine the possibility of a dark matter (DM) contribution to the recently\nobserved gamma-ray spectrum seen in the M31 galaxy. In particular, we apply\nlimits on Weakly Interacting Massive Particle DM annihilation cross-sections\nderived from the Coma galaxy cluster and the Reticulum II dwarf gal... | null | null | null | null | true | null | 20117 | null | Default | null | null |
null | {
"abstract": " Modeling inverse dynamics is crucial for accurate feedforward robot control.\nThe model computes the necessary joint torques, to perform a desired movement.\nThe highly non-linear inverse function of the dynamical system can be\napproximated using regression techniques. We propose as regression metho... | null | null | null | null | true | null | 20118 | null | Default | null | null |
null | {
"abstract": " New ternary Mg-Ni-Mn intermetallics have been successfully synthesized by\nHigh Energy Ball Milling (HEBM) and have been studied as possible materials for\nefficient hydrogen storage applications. The microstructures of the as-cast and\nmilled alloys were characterized by means of X-ray Powder Diffra... | null | null | null | null | true | null | 20119 | null | Default | null | null |
null | {
"abstract": " Recent advances in the field of network embedding have shown the\nlow-dimensional network representation is playing a critical role in network\nanalysis. However, most of the existing principles of network embedding do not\nincorporate auxiliary information such as content and labels of nodes flexibl... | null | null | null | null | true | null | 20120 | null | Default | null | null |
null | {
"abstract": " This paper describes some applications of an incremental implementation of\nthe principal component analysis (PCA). The algorithm updates the\ntransformation coefficients matrix on-line for each new sample, without the\nneed to keep all the samples in memory. The algorithm is formally equivalent to\n... | null | null | null | null | true | null | 20121 | null | Default | null | null |
null | {
"abstract": " The question in this paper is whether R&D efforts affect education\nperformance in small classes. Merging two datasets collected from the PISA\nstudies and the World Development Indicators and using Learning Bayesian\nNetworks, we prove the existence of a statistical causal relationship between\ninve... | null | null | null | null | true | null | 20122 | null | Default | null | null |
null | {
"abstract": " The global dynamics of event cascades are often governed by the local\ndynamics of peer influence. However, detecting social influence from\nobservational data is challenging, due to confounds like homophily and\npractical issues like missing data. In this work, we propose a novel\ndiscriminative met... | null | null | null | null | true | null | 20123 | null | Default | null | null |
null | {
"abstract": " We revisit a classical scenario in communication theory: a source is\ngenerating a waveform which we sample at regular intervals; we wish to\ntransform the signal in such a way as to minimize distortion in its\nreconstruction, despite noise. The transformation must be online (also called\ncausal), in... | null | null | null | null | true | null | 20124 | null | Default | null | null |
null | {
"abstract": " Motivated by contemporary and rich applications of anomalous diffusion\nprocesses we propose a new statistical test for fractional Brownian motion,\nwhich is one of the most popular models for anomalous diffusion systems. The\ntest is based on detrending moving average statistic and its probability\n... | null | null | null | null | true | null | 20125 | null | Default | null | null |
null | {
"abstract": " The main limitation that constrains the fast and comprehensive application of\nWireless Local Area Network (WLAN) based indoor localization systems with\nReceived Signal Strength (RSS) positioning algorithms is the building of the\nfingerprinting radio map, which is time-consuming especially when the... | null | null | null | null | true | null | 20126 | null | Default | null | null |
null | {
"abstract": " We consider the Cauchy problem for the repulsive Vlasov-Poisson system in the\nthree dimensional space, where the initial datum is the sum of a diffuse\ndensity, assumed to be bounded and integrable, and a point charge. Under some\ndecay assumptions for the diffuse density close to the point charge, ... | null | null | null | null | true | null | 20127 | null | Default | null | null |
null | {
"abstract": " The growing pressure on cloud application scalability has accentuated storage\nperformance as a critical bottle- neck. Although cache replacement algorithms\nhave been extensively studied, cache prefetching - reducing latency by\nretrieving items before they are actually requested remains an underexp... | null | null | null | null | true | null | 20128 | null | Default | null | null |
null | {
"abstract": " 2-level polytopes naturally appear in several areas of pure and applied\nmathematics, including combinatorial optimization, polyhedral combinatorics,\ncommunication complexity, and statistics. In this paper, we present a study of\nsome 2-level polytopes arising in combinatorial settings. Our first\nc... | null | null | null | null | true | null | 20129 | null | Default | null | null |
null | {
"abstract": " Learning to learn has emerged as an important direction for achieving\nartificial intelligence. Two of the primary barriers to its adoption are an\ninability to scale to larger problems and a limited ability to generalize to\nnew tasks. We introduce a learned gradient descent optimizer that generaliz... | null | null | [
"Computer Science",
"Statistics"
] | null | true | null | 20130 | null | Validated | null | null |
null | {
"abstract": " This paper aims at one-shot learning of deep neural nets, where a highly\nparallel setting is considered to address the algorithm calibration problem -\nselecting the best neural architecture and learning hyper-parameter values\ndepending on the dataset at hand. The notoriously expensive calibration ... | null | null | null | null | true | null | 20131 | null | Default | null | null |
null | {
"abstract": " The inverse problem of determining the unknown potential $f>0$ in the partial\ndifferential equation $$\\frac{\\Delta}{2} u - fu =0 \\text{ on } \\mathcal O\n~~\\text{s.t. } u = g \\text { on } \\partial \\mathcal O,$$ where $\\mathcal O$ is\na bounded $C^\\infty$-domain in $\\mathbb R^d$ and $g>0$ i... | null | null | null | null | true | null | 20132 | null | Default | null | null |
null | {
"abstract": " Many engineering processes exist in the industry, text books and\ninternational standards. However, in practice rarely any of the processes are\nfollowed consistently and literally. It is observed across industries the\nprocesses are altered based on the requirements of the projects. Two features\nco... | null | null | [
"Computer Science"
] | null | true | null | 20133 | null | Validated | null | null |
null | {
"abstract": " We introduce a framework using Generative Adversarial Networks (GANs) for\nlikelihood--free inference (LFI) and Approximate Bayesian Computation (ABC)\nwhere we replace the black-box simulator model with an approximator network and\ngenerate a rich set of summary features in a data driven fashion. On... | null | null | [
"Computer Science",
"Statistics"
] | null | true | null | 20134 | null | Validated | null | null |
null | {
"abstract": " We propose and demonstrate a novel laser cooling mechanism applicable to\nparticles with narrow-linewidth optical transitions. By sweeping the frequency\nof counter-propagating laser beams in a sawtooth manner, we cause adiabatic\ntransfer back and forth between the ground state and a long-lived opti... | null | null | null | null | true | null | 20135 | null | Default | null | null |
null | {
"abstract": " We report on 176 close (<2\") stellar companions detected with high-resolution\nimaging near 170 hosts of Kepler Objects of Interest. These Kepler targets were\nprioritized for imaging follow-up based on the presence of small planets, so\nmost of the KOIs in these systems (176 out of 204) have nomina... | null | null | null | null | true | null | 20136 | null | Default | null | null |
null | {
"abstract": " We exploit a recently derived inversion scheme for arbitrary deep neural\nnetworks to develop a new semi-supervised learning framework that applies to a\nwide range of systems and problems. The approach outperforms current\nstate-of-the-art methods on MNIST reaching $99.14\\%$ of test set accuracy wh... | null | null | [
"Computer Science",
"Statistics"
] | null | true | null | 20137 | null | Validated | null | null |
null | {
"abstract": " The effectiveness of a statistical machine translation system (SMT) is very\ndependent upon the amount of parallel corpus used in the training phase. For\nlow-resource language pairs there are not enough parallel corpora to build an\naccurate SMT. In this paper, a novel approach is presented to extra... | null | null | null | null | true | null | 20138 | null | Default | null | null |
null | {
"abstract": " In this short note, we prove that if $F$ is a weak upper semicontinuous\nadmissible Finsler structure on a domain in $\\mathbb{R}^n$, $n\\geq 2$, then the\nintrinsic distance and differential structures coincide.\n",
"title": "Intrinsic geometry and analysis of Finsler structures"
} | null | null | null | null | true | null | 20139 | null | Default | null | null |
null | {
"abstract": " Monte Carlo Tree Search (MCTS) has been extended to many imperfect\ninformation games. However, due to the added complexity that uncertainty\nintroduces, these adaptations have not reached the same level of practical\nsuccess as their perfect information counterparts. In this paper we consider\nthe d... | null | null | [
"Computer Science"
] | null | true | null | 20140 | null | Validated | null | null |
null | {
"abstract": " We propose a search of galactic axions with mass about 0.2 microeV using a\nlarge volume resonant cavity, about 50 m^3, cooled down to 4 K and immersed in\na moderate axial magnetic field of about 0.6 T generated inside the\nsuperconducting magnet of the KLOE experiment located at the National\nLabor... | null | null | null | null | true | null | 20141 | null | Default | null | null |
null | {
"abstract": " Datasets with significant proportions of noisy (incorrect) class labels\npresent challenges for training accurate Deep Neural Networks (DNNs). We\npropose a new perspective for understanding DNN generalization for such\ndatasets, by investigating the dimensionality of the deep representation\nsubspac... | null | null | [
"Statistics"
] | null | true | null | 20142 | null | Validated | null | null |
null | {
"abstract": " Adversarial examples have been shown to exist for a variety of deep learning\narchitectures. Deep reinforcement learning has shown promising results on\ntraining agent policies directly on raw inputs such as image pixels. In this\npaper we present a novel study into adversarial attacks on deep reinfo... | null | null | null | null | true | null | 20143 | null | Default | null | null |
null | {
"abstract": " We investigate two arithmetic functions naturally occurring in the study of\nthe Euler and Carmichael quotients. The functions are related to the frequency\nof vanishing of the Euler and Carmichael quotients. We obtain several results\nconcerning the relations between these functions as well as their... | null | null | null | null | true | null | 20144 | null | Default | null | null |
null | {
"abstract": " Lurking variables represent hidden information, and preclude a full\nunderstanding of phenomena of interest. Detection is usually based on\nserendipity -- visual detection of unexplained, systematic variation. However,\nthese approaches are doomed to fail if the lurking variables do not vary. In\nthi... | null | null | null | null | true | null | 20145 | null | Default | null | null |
null | {
"abstract": " Fourier ptychographic microscopy (FPM) is a recently proposed quantitative\nphase imaging technique with high resolution and wide field-of-view (FOV). In\ncurrent FPM imaging platforms, systematic error sources come from the\naberrations, LED intensity fluctuation, parameter imperfections and noise,\... | null | null | null | null | true | null | 20146 | null | Default | null | null |
null | {
"abstract": " The primary goal of this paper is to recast the semantics of modal logic, and\ndynamic epistemic logic (DEL) in particular, in category-theoretic terms. We\nfirst review the category of relations and categories of Kripke frames, with\nparticular emphasis on the duality between relations and adjoint h... | null | null | null | null | true | null | 20147 | null | Default | null | null |
null | {
"abstract": " Robotic assistants in a home environment are expected to perform various\ncomplex tasks for their users. One particularly challenging task is pouring\ndrinks into cups, which for successful completion, requires the detection and\ntracking of the liquid level during a pour to determine when to stop. I... | null | null | null | null | true | null | 20148 | null | Default | null | null |
null | {
"abstract": " Let $n$ and $k$ be natural numbers such that $2^k < n$. We study the\nrestriction to $\\mathfrak{S}_{n-2^k}$ of odd-degree irreducible characters of\nthe symmetric group $\\mathfrak{S}_n$. This analysis completes the study begun\nin [Ayyer A., Prasad A., Spallone S., Sem. Lothar. Combin. 75 (2015), A... | null | null | [
"Mathematics"
] | null | true | null | 20149 | null | Validated | null | null |
null | {
"abstract": " We present a neural architecture that takes as input a 2D or 3D shape and\noutputs a program that generates the shape. The instructions in our program are\nbased on constructive solid geometry principles, i.e., a set of boolean\noperations on shape primitives defined recursively. Bottom-up techniques... | null | null | null | null | true | null | 20150 | null | Default | null | null |
null | {
"abstract": " We classify the band degeneracies in 3D crystals with screw symmetry $n_m$\nand broken $\\mathcal P*\\mathcal T$ symmetry, where $\\mathcal P$ stands for\nspatial inversion and $\\mathcal T$ for time reversal. The generic degeneracies\nalong symmetry lines are Weyl nodes: Chiral contact points betwee... | null | null | null | null | true | null | 20151 | null | Default | null | null |
null | {
"abstract": " Deep Neural Networks (DNNs) are very popular these days, and are the subject\nof a very intense investigation. A DNN is made by layers of internal units (or\nneurons), each of which computes an affine combination of the output of the\nunits in the previous layer, applies a nonlinear operator, and out... | null | null | null | null | true | null | 20152 | null | Default | null | null |
null | {
"abstract": " We propose a new approach based on a local Hilbert transform to design\nnon-Hermitian potentials generating arbitrary vector fields of directionality,\np(r), with desired shapes and topologies. We derive a local Hilbert transform\nto systematically build such potentials, by modifying background poten... | null | null | null | null | true | null | 20153 | null | Default | null | null |
null | {
"abstract": " This paper is the second chapter of three of the author's undergraduate\nthesis. In this paper, we consider the random matrix ensemble given by $(d_b,\nd_w)$-regular graphs on $M$ black vertices and $N$ white vertices, where $d_b\n\\in [N^{\\gamma}, N^{2/3 - \\gamma}]$ for any $\\gamma > 0$. We simul... | null | null | null | null | true | null | 20154 | null | Default | null | null |
null | {
"abstract": " The well-known Axler-Zheng theorem characterizes compactness of finite sums\nof finite products of Toeplitz operators on the unit disk in terms of the\nBerezin transform of these operators. Subsequently this theorem was generalized\nto other domains and appeared in different forms, including domains ... | null | null | null | null | true | null | 20155 | null | Default | null | null |
null | {
"abstract": " This paper presents a simple approach to increase the normal zone propagation\nvelocity in (RE)BaCuO thin films grown on a flexible metallic substrate, also\ncalled superconducting tapes. The key idea behind this approach is to use a\nspecific geometry of the silver thermal stabilizer that surrounds ... | null | null | [
"Physics"
] | null | true | null | 20156 | null | Validated | null | null |
null | {
"abstract": " We introduce a new method of statistical analysis to characterise the\ndynamics of turbulent fluids in two dimensions. We establish that, in\nequilibrium, the vortex distributions can be uniquely connected to the\ntemperature of the vortex gas, and apply this vortex thermometry to\ncharacterise simul... | null | null | null | null | true | null | 20157 | null | Default | null | null |
null | {
"abstract": " We derive a closed formula for the determinant of the Hankel matrix whose\nentries are given by sums of negative powers of the zeros of the regular\nCoulomb wave function. This new identity applied together with results of\nGrommer and Chebotarev allows us to prove a Hurwitz-type theorem about the\nz... | null | null | null | null | true | null | 20158 | null | Default | null | null |
null | {
"abstract": " In this technical report, we consider an approach that combines the PPO\nobjective and K-FAC natural gradient optimization, for which we call PPOKFAC.\nWe perform a range of empirical analysis on various aspects of the algorithm,\nsuch as sample complexity, training speed, and sensitivity to batch si... | null | null | null | null | true | null | 20159 | null | Default | null | null |
null | {
"abstract": " The maximal density of a measurable subset of R^n avoiding Euclidean\ndistance1 is unknown except in the trivial case of dimension 1. In this paper,\nwe consider thecase of a distance associated to a polytope that tiles space,\nwhere it is likely that the setsavoiding distance 1 are of maximal densit... | null | null | null | null | true | null | 20160 | null | Default | null | null |
null | {
"abstract": " Mass segmentation provides effective morphological features which are\nimportant for mass diagnosis. In this work, we propose a novel end-to-end\nnetwork for mammographic mass segmentation which employs a fully convolutional\nnetwork (FCN) to model a potential function, followed by a CRF to perform\n... | null | null | null | null | true | null | 20161 | null | Default | null | null |
null | {
"abstract": " A transitive model $M$ of ZFC is called a ground if the universe $V$ is a set\nforcing extension of $M$. We show that the grounds of $V$ are downward\nset-directed. Consequently, we establish some fundamental theorems on the\nforcing method and the set-theoretic geology. For instance, (1) the mantle,... | null | null | [
"Mathematics"
] | null | true | null | 20162 | null | Validated | null | null |
null | {
"abstract": " Wild-land fire fighting is a hazardous job. A key task for firefighters is to\nobserve the \"fire front\" to chart the progress of the fire and areas that will\nlikely spread next. Lack of information of the fire front causes many\naccidents. Using Unmanned Aerial Vehicles (UAVs) to cover wildfire is... | null | null | null | null | true | null | 20163 | null | Default | null | null |
null | {
"abstract": " High signal-to-noise and high-resolution light scattering spectra are\nmeasured for nitrous oxide (N$_2$O) gas at an incident wavelength of 403.00 nm,\nat 90$^\\circ$ scattering, at room temperature and at gas pressures in the range\n$0.5-4$ bar. The resulting Rayleigh-Brillouin light scattering spec... | null | null | null | null | true | null | 20164 | null | Default | null | null |
null | {
"abstract": " The Sachdev-Ye-Kitaev (SYK) model is a concrete solvable model to study\nnon-Fermi liquid properties, holographic duality and maximally chaotic\nbehavior. In this work, we consider a generalization of the SYK model that\ncontains two SYK models with different number of Majorana modes coupled by\nquad... | null | null | null | null | true | null | 20165 | null | Default | null | null |
null | {
"abstract": " The Ward identities associated with spontaneously broken symmetries can be\nsaturated by Goldstone bosons. However, when space-time symmetries are broken,\nthe number of Goldstone bosons necessary to non-linearly realize the symmetry\ncan be less than the number of broken generators. The loss of Gold... | null | null | null | null | true | null | 20166 | null | Default | null | null |
null | {
"abstract": " We report on the growth of epitaxial Sr2RuO4 films using a hybrid molecular\nbeam epitaxy approach in which a volatile precursor containing RuO4 is used to\nsupply ruthenium and oxygen. The use of the precursor overcomes a number of\nissues encountered in traditional MBE that uses elemental metal sou... | null | null | null | null | true | null | 20167 | null | Default | null | null |
null | {
"abstract": " The antiproton-to-proton ratio in the cosmic-ray spectrum is a sensitive\nprobe of new physics. Using recent measurements of the cosmic-ray antiproton\nand proton fluxes in the energy range of 1-1000 GeV, we study the contribution\nto the $\\bar{p}/p$ ratio from secondary antiprotons that are produce... | null | null | null | null | true | null | 20168 | null | Default | null | null |
null | {
"abstract": " The precise localization of the repeating fast radio burst (FRB 121102) has\nprovided the first unambiguous association (chance coincidence probability\n$p\\lesssim3\\times10^{-4}$) of an FRB with an optical and persistent radio\ncounterpart. We report on optical imaging and spectroscopy of the count... | null | null | null | null | true | null | 20169 | null | Default | null | null |
null | {
"abstract": " Thicket density is a new measure of the complexity of a set system, having\nthe same relationship to stable formulas that VC density has to NIP formulas.\nIt satisfies a Sauer-Shelah type dichotomy that has applications in both model\ntheory and the theory of algorithms\n",
"title": "Thicket Densit... | null | null | null | null | true | null | 20170 | null | Default | null | null |
null | {
"abstract": " A $(\\gamma,n)$-gonal pair is a pair $(S,f)$, where $S$ is a closed Riemann\nsurface and $f:S \\to R$ is a degree $n$ holomorphic map onto a closed Riemann\nsurface $R$ of genus $\\gamma$. If the signature of $(S,f)$ is of hyperbolic\ntype, then there is pair $(\\Gamma,G)$, called an uniformization o... | null | null | null | null | true | null | 20171 | null | Default | null | null |
null | {
"abstract": " Online advertising is progressively moving towards a programmatic model in\nwhich ads are matched to actual interests of individuals collected as they\nbrowse the web. Letting the huge debate around privacy aside, a very important\nquestion in this area, for which little is known, is: How much do adv... | null | null | [
"Computer Science"
] | null | true | null | 20172 | null | Validated | null | null |
null | {
"abstract": " The quantum nature of light-matter interactions in a circularly polarized\nvacuum field was probed by spontaneous emission from quantum dots in\nthree-dimensional chiral photonic crystals. Due to the circularly polarized\neigenmodes along the helical axis in the GaAs-based mirror-asymmetric\nstructur... | null | null | null | null | true | null | 20173 | null | Default | null | null |
null | {
"abstract": " The critical properties of the single-crystalline semiconducting ferromagnet\nCrGeTe$_3$ were investigated by bulk dc magnetization around the paramagnetic\nto ferromagnetic phase transition. Critical exponents $\\beta = 0.200\\pm0.003$\nwith critical temperature $T_c = 62.65\\pm0.07$ K and $\\gamma ... | null | null | null | null | true | null | 20174 | null | Default | null | null |
null | {
"abstract": " We implement a scale-free version of the pivot algorithm and use it to sample\npairs of three-dimensional self-avoiding walks, for the purpose of efficiently\ncalculating an observable that corresponds to the probability that pairs of\nself-avoiding walks remain self-avoiding when they are concatenat... | null | null | null | null | true | null | 20175 | null | Default | null | null |
null | {
"abstract": " M-convex functions, which are a generalization of valuated matroids, play a\ncentral role in discrete convex analysis. Quadratic M-convex functions\nconstitute a basic and important subclass of M-convex functions, which has a\nclose relationship with phylogenetics as well as valued constraint satisfa... | null | null | null | null | true | null | 20176 | null | Default | null | null |
null | {
"abstract": " Bayesian matrix factorization (BMF) is a powerful tool for producing low-rank\nrepresentations of matrices and for predicting missing values and providing\nconfidence intervals. Scaling up the posterior inference for massive-scale\nmatrices is challenging and requires distributing both data and compu... | null | null | null | null | true | null | 20177 | null | Default | null | null |
null | {
"abstract": " The successful deployment of safe and trustworthy Connected and Autonomous\nVehicles (CAVs) will highly depend on the ability to devise robust and\neffective security solutions to resist sophisticated cyber attacks and patch up\ncritical vulnerabilities. Pseudonym Public Key Infrastructure (PPKI) is ... | null | null | [
"Computer Science"
] | null | true | null | 20178 | null | Validated | null | null |
null | {
"abstract": " The XENON1T experiment is the most recent stage of the XENON Dark Matter\nSearch, aiming for the direct detection of Weakly Interacting Massive Particles\n(WIMPs). To reach its projected sensitivity, the background has to be reduced\nby two orders of magnitude compared to its predecessor XENON100. Th... | null | null | null | null | true | null | 20179 | null | Default | null | null |
null | {
"abstract": " We argue that the standard graph Laplacian is preferable for spectral\npartitioning of signed graphs compared to the signed Laplacian. Simple examples\ndemonstrate that partitioning based on signs of components of the leading\neigenvectors of the signed Laplacian may be meaningless, in contrast to\np... | null | null | [
"Computer Science",
"Mathematics",
"Statistics"
] | null | true | null | 20180 | null | Validated | null | null |
null | {
"abstract": " Public space utilization is crucial for urban developers to understand how\nefficient a place is being occupied in order to improve existing or future\ninfrastructures. In a smart cities approach, implementing public space\nmonitoring with Internet-of-Things (IoT) sensors appear to be a viable\nsolut... | null | null | null | null | true | null | 20181 | null | Default | null | null |
null | {
"abstract": " Two families of symplectic methods specially designed for second-order\ntime-dependent linear systems are presented. Both are obtained from the Magnus\nexpansion of the corresponding first-order equation, but otherwise they differ\nin significant aspects. The first family is addressed to problems wit... | null | null | null | null | true | null | 20182 | null | Default | null | null |
null | {
"abstract": " The recent breakthroughs of deep reinforcement learning (DRL) technique in\nAlpha Go and playing Atari have set a good example in handling large state and\nactions spaces of complicated control problems. The DRL technique is comprised\nof (i) an offline deep neural network (DNN) construction phase, w... | null | null | [
"Computer Science"
] | null | true | null | 20183 | null | Validated | null | null |
null | {
"abstract": " In a Dirac nodal line semimetal, the bulk conduction and valence bands touch\nat extended lines in the Brillouin zone. To date, most of the theoretically\npredicted and experimentally discovered nodal lines derive from the bulk bands\nof two- and three-dimensional materials. Here, based on combined a... | null | null | null | null | true | null | 20184 | null | Default | null | null |
null | {
"abstract": " Let $n$ be a positive multiple of $4$. We establish an asymptotic formula for\nthe number of rational points of bounded height on singular cubic hypersurfaces\n$S_n$ defined by $$ x^3=(y_1^2 + \\cdots + y_n^2)z . $$ This result is new in\ntwo aspects: first, it can be viewed as a modest start on the ... | null | null | null | null | true | null | 20185 | null | Default | null | null |
null | {
"abstract": " The process of designing neural architectures requires expert knowledge and\nextensive trial and error. While automated architecture search may simplify\nthese requirements, the recurrent neural network (RNN) architectures generated\nby existing methods are limited in both flexibility and components.... | null | null | null | null | true | null | 20186 | null | Default | null | null |
null | {
"abstract": " Traditionally, most complex intelligence architectures are extremely\nnon-convex, which could not be well performed by convex optimization. However,\nthis paper decomposes complex structures into three types of nodes: operators,\nalgorithms and functions. Iteratively, propagating from node to node al... | null | null | null | null | true | null | 20187 | null | Default | null | null |
null | {
"abstract": " A central challenge in modern condensed matter physics is developing the\ntools for understanding nontrivial yet unordered states of matter. One\nimportant idea to emerge in this context is that of a \"pseudogap\": the fact\nthat under appropriate circumstances the normal state displays a suppression... | null | null | null | null | true | null | 20188 | null | Default | null | null |
null | {
"abstract": " We consider the path planning problem for a 2-link robot amidst polygonal\nobstacles. Our robot is parametrizable by the lengths $\\ell_1, \\ell_2>0$ of its\ntwo links, the thickness $\\tau \\ge 0$ of the links, and an angle $\\kappa$ that\nconstrains the angle between the 2 links to be strictly grea... | null | null | null | null | true | null | 20189 | null | Default | null | null |
null | {
"abstract": " Heterogeneous information networks (HINs) are ubiquitous in real-world\napplications. In the meantime, network embedding has emerged as a convenient\ntool to mine and learn from networked data. As a result, it is of interest to\ndevelop HIN embedding methods. However, the heterogeneity in HINs introd... | null | null | null | null | true | null | 20190 | null | Default | null | null |
null | {
"abstract": " Dynamical phase transitions are crucial features of the fluctuations of\nstatistical systems, corresponding to boundaries between qualitatively\ndifferent mechanisms of maintaining unlikely values of dynamical observables\nover long periods of time. They manifest themselves in the form of\nnon-analyt... | null | null | [
"Physics"
] | null | true | null | 20191 | null | Validated | null | null |
null | {
"abstract": " Due to their capability to reduce turbulent transport in magnetized plasmas,\nunderstanding the dynamics of zonal flows is an important problem in the fusion\nprogramme. Since the pioneering work by Rosenbluth and Hinton in axisymmetric\ntokamaks, it is known that studying the linear and collisionles... | null | null | null | null | true | null | 20192 | null | Default | null | null |
null | {
"abstract": " We predict a geometric quantum phase shift of a moving electric dipole in the\npresence of an external magnetic field at a distance. On the basis of the\nLorentz-covariant field interaction approach, we show that a geometric phase\nappears under the condition that the dipole is moving in the field-fr... | null | null | [
"Physics"
] | null | true | null | 20193 | null | Validated | null | null |
null | {
"abstract": " For well-generated complex reflection groups, Chapuy and Stump gave a simple\nproduct for a generating function counting reflection factorizations of a\nCoxeter element by their length. This is refined here to record the number of\nreflections used from each orbit of hyperplanes. The proof is case-by... | null | null | null | null | true | null | 20194 | null | Default | null | null |
null | {
"abstract": " The magnetic properties of BaFe$_{2}$As$_{2}$(001) surface have been studied\nby using first-principles electronic structure calculations. We find that for\nAs-terminated surface the magnetic ground state of the top-layer FeAs is in the\nstaggered dimer antiferromagnetic (AFM) order, while for Ba-ter... | null | null | null | null | true | null | 20195 | null | Default | null | null |
null | {
"abstract": " We obtain an explicit error expansion for the solution of Backward Stochastic\nDifferential Equations (BSDEs) using the cubature on Wiener spaces method. The\nresult is proved under a mild strengthening of the assumptions needed for the\napplication of the cubature method. The explicit expansion can ... | null | null | null | null | true | null | 20196 | null | Default | null | null |
null | {
"abstract": " We combine $Spitzer$ and ground-based KMTNet microlensing observations to\nidentify and precisely measure an Earth-mass ($1.43^{+0.45}_{-0.32} M_\\oplus$)\nplanet OGLE-2016-BLG-1195Lb at $1.16^{+0.16}_{-0.13}$ AU orbiting a\n$0.078^{+0.016}_{-0.012} M_\\odot$ ultracool dwarf. This is the lowest-mass\... | null | null | null | null | true | null | 20197 | null | Default | null | null |
null | {
"abstract": " This paper presents a class of new algorithms for distributed statistical\nestimation that exploit divide-and-conquer approach. We show that one of the\nkey benefits of the divide-and-conquer strategy is robustness, an important\ncharacteristic for large distributed systems. We establish connections ... | null | null | null | null | true | null | 20198 | null | Default | null | null |
null | {
"abstract": " The Atacama Large Millimeter/submilimeter Array (ALMA) recently revealed a\nset of nearly concentric gaps in the protoplanetary disk surrounding the young\nstar HL Tau. If these are carved by forming gas giants, this provides the first\nset of orbital initial conditions for planets as they emerge fro... | null | null | null | null | true | null | 20199 | null | Default | null | null |
null | {
"abstract": " Endowing robots with the capability of assessing risk and making risk-aware\ndecisions is widely considered a key step toward ensuring safety for robots\noperating under uncertainty. But, how should a robot quantify risk? A natural\nand common approach is to consider the framework whereby costs are a... | null | null | [
"Computer Science"
] | null | true | null | 20200 | null | Validated | null | null |
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