corpus_id stringlengths 3 9 | arxiv_id stringlengths 9 16 | date stringdate 1989-10-26 00:00:00 2024-09-30 00:00:00 | title stringlengths 4 240 | abstract stringlengths 3 3.15k | categories listlengths 1 10 | topics listlengths 0 15 ⌀ | roles listlengths 1 4 | key_references listlengths 0 10 ⌀ | authors listlengths 1 5.28k ⌀ | citation_trajectory listlengths 14 26 ⌀ |
|---|---|---|---|---|---|---|---|---|---|---|
1727270 | 0909.3140 | 2009-09-17 | Fusion categories and homotopy theory | We apply the yoga of classical homotopy theory to classification problems of G-extensions of fusion and braided fusion categories, where G is a finite group. Namely, we reduce such problems to classification (up to homotopy) of maps from BG to classifiying spaces of certain higher groupoids. In particular, to every fus... | [
"math.QA",
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6423533 | 0909.3356 | 2009-09-17 | Capacity of Large-scale CSMA Wireless Networks | In the literature, asymptotic studies of multi-hop wireless network capacity often consider only centralized and deterministic TDMA (time-division multi-access) coordination schemes. There have been fewer studies of the asymptotic capacity of large-scale wireless networks based on CSMA (carrier-sensing multi-access), w... | [
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"author_id": "c chau_1",
"name": "Chi-Kin Chau",
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"author_id": "m chen_67",
"name": "Minghua Chen",
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8715665 | 0909.3346 | 2009-09-17 | Perfect Matchings in O(n \log n) Time in Regular Bipartite Graphs | In this paper we consider the well-studied problem of finding a perfect matching in a d-regular bipartite graph on 2n nodes with m=nd edges. The best-known algorithm for general bipartite graphs (due to Hopcroft and Karp) takes time O(m\sqrt{n}). In regular bipartite graphs, however, a matching is known to be computabl... | [
"cs.DS",
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1069477 | 1007.0603 | 2009-09-17 | Decomposition of the NVALUE constraint | We study decompositions of the global NVALUE constraint. Our main contribution is theoretical: we show that there are propagators for global constraints like NVALUE which decomposition can simulate with the same time complexity but with a much greater space complexity. This suggests that the benefit of a global propaga... | [
"cs.AI"
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"author_id": "g katsirelos_1",
"name": "George Katsirelos",
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119272426 | 0909.3240 | 2009-09-17 | From the LHC to Future Colliders | Discoveries at the LHC will soon set the physics agenda for future colliders. This report of a CERN Theory Institute includes the summaries of Working Groups that reviewed the physics goals and prospects of LHC running with 10 to 300/fb of integrated luminosity, of the proposed sLHC luminosity upgrade, of the ILC, of C... | [
"hep-ph",
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"author_id": "a roeck_1",
"name": "Albert [\"De\"] Roeck",
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"author_id": "a roeck_1",
"name": "Albert [\"De\"] Roeck",
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15988579 | 0909.3177 | 2009-09-17 | First redshift determination of an optically/UV faint submillimeter galaxy using CO emission lines | We report the redshift of a distant, highly obscured submm galaxy (SMG), based entirely on the detection of its CO line emission. We have used the newly commissioned Eight-MIxer Receiver (EMIR) at the IRAM 30m telescope, with its 8 GHz of instantaneous dual-polarization bandwidth, to search the 3-mm atmospheric window ... | [
"astro-ph.CO"
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5807233 | 0909.3392 | 2009-09-18 | On the communication complexity of XOR functions | An XOR function is a function of the form g(x,y) = f(x + y), for some boolean function f on n bits. We study the quantum and classical communication complexity of XOR functions. In the case of exact protocols, we completely characterise one-way communication complexity for all f. We also show that, when f is monotone, ... | [
"cs.CC",
"quant-ph"
] | null | [
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262388084 | 0909.3506 | 2009-09-18 | Impact of Epistasis and Pleiotropy on Evolutionary Adaptation | Evolutionary adaptation is often likened to climbing a hill or peak. While this process is simple for fitness landscapes where mutations are independent, the interaction between mutations (epistasis) as well as mutations at loci that affect more than one trait (pleiotropy) are crucial in complex and realistic fitness l... | [
"q-bio.PE"
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19029700 | 0909.3304 | 2009-09-18 | Quantum state tomography via compressed sensing | We establish methods for quantum state tomography based on compressed sensing. These methods are specialized for quantum states that are fairly pure, and they offer a significant performance improvement on large quantum systems. In particular, they are able to reconstruct an unknown density matrix of dimension d and ra... | [
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"name": "Yi-Kai Liu",
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13920135 | 0909.3481 | 2009-09-18 | Planet-scale Human Mobility Measurement | Research into, and design and construction of mobile systems and algorithms requires access to large-scale mobility data. Unfortunately, the wireless and mobile research community lacks such data. For instance, the largest available human contact traces contain only 100 nodes with very sparse connectivity, limited by e... | [
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"name": "Richard Mortier",
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115163422 | 0909.3393 | 2009-09-18 | A note on strong convergence to common fixed points of nonexpansive mappings in Hilbert spaces | The aim of this paper is to investigate the links between ${\cal T}_C$-class algorithms, CQ Algorithm and shrinking projection methods. We show that strong convergence of these algorithms are related to coherent ${\cal T}_C$-class sequences of mapping. Some examples dealing with nonexpansive finite set of mappings and ... | [
"math.OC"
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"author_id": "j chancelier_1",
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] | null |
16917432 | 0909.3595 | 2009-09-19 | A Bernstein-type inequality for stochastic processes of quadratic forms of Gaussian variables | We introduce a Bernstein-type inequality which serves to uniformly control quadratic forms of gaussian variables. The latter can for example be used to derive sharp model selection criteria for linear estimation in linear regression and linear inverse problems via penalization, and we do not exclude that its scope of a... | [
"math.ST",
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] | null | null | null |
9111927 | 0909.3583 | 2009-09-19 | Searches for gravitational waves from known pulsars with S5 LIGO data | We present a search for gravitational waves from 116 known millisecond and young pulsars using data from the fifth science run of the LIGO detectors. For this search ephemerides overlapping the run period were obtained for all pulsars using radio and X-ray observations. We demonstrate an updated search method that allo... | [
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"gr-qc"
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{
"author_id": "t abbott_3",
"name": "T. [\"M.\",\"C.\"] Abbott",
"publication_history": null,... | null |
15116706 | 0909.3688 | 2009-09-20 | Harvesting SSL Certificate Data to Identify Web-Fraud | Web-fraud is one of the most unpleasant features of today's Internet. Two well-known examples of fraudulent activities on the web are phishing and typosquatting. Their effects range from relatively benign (such as unwanted ads) to downright sinister (especially, when typosquatting is combined with phishing). This paper... | [
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{
"author_id": "m mishari_1",
"name": "Mishari [\"Al\"] Mishari",
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{
"author_id": "e de cristofaro_1",
"name": "Emiliano De Cristofaro",
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"h_index": null,... | null |
15968487 | 0909.3659 | 2009-09-20 | Four Momentum Transfer Discrepancy in the Charged Current $\pi^+$ Production in the MiniBooNE: Data vs. Theory | The MiniBooNE experiment has collected what is currently the world's largest sample of neutrino muon charged current single charged pion interactions, roughly 46,000 events. The purity of the CC1pi+ sample is 87% making this the purest event sample observed in the MiniBooNE detector. The average energy of neutrinos pro... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
100717412 | 0909.3820 | 2009-09-21 | Following Gibbs States Adiabatically - The Energy Landscape of Mean Field Glassy Systems | We introduce a generalization of the cavity, or Bethe-Peierls, method that allows to follow Gibbs states when an external parameter, e.g. the temperature, is adiabatically changed. This allows to obtain new quantitative results on the static and dynamic behavior of mean field disordered systems such as models of glassy... | [
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"author_id": "f krzakala_1",
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"author_id": "l zdeborov'a_1",
"name": "Lenka Zdeborov'a",
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12759811 | 0909.3762 | 2009-09-21 | Hierarchical theory of quantum dissipation: Partial fraction decomposition scheme | We propose a partial fraction decomposition scheme to the construction of hierarchical equations of motion theory for bosonic quantum dissipation systems. The expansion of Bose--Einstein function in this scheme shows similar properties as it applies for Fermi function. The performance of the resulting quantum dissipati... | [
"cond-mat.stat-mech"
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{
"author_id": "j xu_175",
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"author_id": "r xu_54",
"name": "Ruixue Xu",
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2036411 | 0909.3891 | 2009-09-21 | Stock Market Trading Via Stochastic Network Optimization | We consider the problem of dynamic buying and selling of shares from a collection of $N$ stocks with random price fluctuations. To limit investment risk, we place an upper bound on the total number of shares kept at any time. Assuming that prices evolve according to an ergodic process with a mild decaying memory proper... | [
"q-fin.PM",
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] | null | [
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] | null | null | null |
55134690 | 0909.3807 | 2009-09-21 | Half-metallicity in NiMnSb: a Variational Cluster Approach with ab-initio parameters | Electron correlation effects in the half-metallic ferromagnet NiMnSb are investigated within a combined density functional and many-body approach. Starting from a realistic multi-orbital Hubbard-model including Mn and Ni-d orbitals, the many-body problem is addressed via the Variational Cluster Approach. The density of... | [
"cond-mat.str-el",
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"cond-mat.other"
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{
"author_id": "h allmaier_0",
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{
"author_id": "l chioncel_1",
"name": "Liviu Chioncel",
"publication_history": null,
"h_index": null,
"num_papers": nu... | null |
14635073 | 0909.3704 | 2009-09-21 | FDR control with adaptive procedures and FDR monotonicity | The steep rise in availability and usage of high-throughput technologies in biology brought with it a clear need for methods to control the False Discovery Rate (FDR) in multiple tests. Benjamini and Hochberg (BH) introduced in 1995 a simple procedure and proved that it provided a bound on the expected value, $\mathit{... | [
"stat.ME",
"stat.AP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7956880 | 0909.3895 | 2009-09-21 | The Revolution in Astronomy Education: Data Science for the Masses | As our capacity to study ever-expanding domains of our science has increased (including the time domain, non-electromagnetic phenomena, magnetized plasmas, and numerous sky surveys in multiple wavebands with broad spatial coverage and unprecedented depths), so have the horizons of our understanding of the Universe been... | [
"astro-ph.IM",
"cs.DB",
"cs.DL",
"cs.IR",
"physics.ed-ph"
] | null | [
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{
"author_id": "k borne_1",
"name": "Kirk [\"D.\"] Borne",
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{
"author_id": "s jacoby_0",
"name": "Suzanne Jacoby",
"publication_history": null,
"h_index": null,
"num_papers": nul... | null |
18976515 | 0909.3890 | 2009-09-21 | The Building Blocks of Economic Complexity | For Adam Smith, wealth was related to the division of labor. As people and firms specialize in different activities, economic efficiency increases, suggesting that development is associated with an increase in the number of individual activities and with the complexity that emerges from the interactions between them. H... | [
"q-fin.GN",
"physics.data-an"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3181778 | 0909.3618 | 2009-09-21 | Finite time thermodynamics for a single level quantum dot | We investigate the finite time thermodynamics of a single-level fermion system interacting with a thermal reservoir through a tunneling junction. The optimal protocol to extract the maximum work from the system when moving the single energy level between an initial higher value and a final lower value in a finite time ... | [
"cond-mat.stat-mech"
] | null | [
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{
"author_id": "m esposito_5",
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{
"author_id": "r kawai_1",
"name": "Ryoichi Kawai",
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"num_papers": ... | null |
15989267 | 0909.3712 | 2009-09-21 | Continuous Shearlet Frames and Resolution of the Wavefront Set | In recent years directional multiscale transformations like the curvelet- or shearlet transformation have gained considerable attention. The reason for this is that these transforms are - unlike more traditional transforms like wavelets - able to efficiently handle data with features along edges. The main result in [G.... | [
"math.FA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
262956424 | 0909.4061 | 2009-09-22 | Finding structure with randomness: Probabilistic algorithms for constructing approximate matrix decompositions | Low-rank matrix approximations, such as the truncated singular value decomposition and the rank-revealing QR decomposition, play a central role in data analysis and scientific computing. This work surveys and extends recent research which demonstrates that randomization offers a powerful tool for performing low-rank ma... | [
"math.NA",
"math.PR"
] | null | [
"target.author.publication_history.key_reference",
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] | null | null | null |
6759721 | 0909.3884 | 2009-09-22 | Why are nonlinear fits so challenging? | Fitting model parameters to experimental data is a common yet often challenging task, especially if the model contains many parameters. Typically, algorithms get lost in regions of parameter space in which the model is unresponsive to changes in parameters, and one is left to make adjustments by hand. We explain this d... | [
"cond-mat.stat-mech",
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{
"author_id": "m transtrum_1",
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{
"author_id": "b machta_1",
"name": "Benjamin [\"B.\"] Machta",
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"h_index": null,
... | null |
119239007 | 0909.4044 | 2009-09-22 | Pulse shape discrimination studies with a Broad-Energy Germanium detector for signal identification and background suppression in the GERDA double beta decay experiment | First studies of event discrimination with a Broad-Energy Germanium (BEGe) detector are presented. A novel pulse shape method, exploiting the characteristic electrical field distribution inside BEGe detectors, allows to identify efficiently single-site events and to reject multi-site events. The first are typical for n... | [
"nucl-ex",
"physics.ins-det"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14907917 | 0909.4036 | 2009-09-22 | Kinetic theory and Lax equations for shock clustering and Burgers turbulence | We study shock statistics in the scalar conservation law $\partial_t u + \partial_x f(u)=0$, $x \in \R$, $t>0$, with a convex flux $f$ and spatially random initial data. We show that the Markov property (in $x$) is preserved for a large class of random initial data (Markov processes with downward jumps and derivatives ... | [
"nlin.AO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7833626 | 0909.4017 | 2009-09-22 | On Degrees of Freedom Region of MIMO Networks without CSIT | In this paper, we study the effect of the absence of channel knowledge for multiple-input-multiple-output (MIMO) networks. Specifically, we assume perfect channel state information at the receivers, no channel state information at the transmitter(s), and independent identically distributed (i.i.d.) Rayleigh fading acro... | [
"cs.IT",
"math.IT"
] | null | [
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{
"author_id": "c huang_130",
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{
"author_id": "s jafar_1",
"name": "Syed [\"Ali\"] Jafar",
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11536754 | 0909.3893 | 2009-09-22 | A dynamic network approach for the study of human phenotypes | The use of networks to integrate different genetic, proteomic, and metabolic datasets has been proposed as a viable path toward elucidating the origins of specific diseases. Here we introduce a new phenotypic database summarizing correlations obtained from the disease history of more than 30 million patients in a Pheno... | [
"physics.bio-ph",
"physics.data-an",
"physics.med-ph",
"q-bio.QM"
] | null | [
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8896596 | 0909.4331 | 2009-09-23 | Hierarchical relational models for document networks | We develop the relational topic model (RTM), a hierarchical model of both network structure and node attributes. We focus on document networks, where the attributes of each document are its words, that is, discrete observations taken from a fixed vocabulary. For each pair of documents, the RTM models their link as a bi... | [
"stat.AP"
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{
"author_id": "j chang_32",
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{
"author_id": "d blei_1",
"name": "David [\"M.\"] Blei",
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119219368 | 0909.4333 | 2009-09-23 | Detection of avoided crossings by fidelity | The fidelity, defined as overlap of eigenstates of two slightly different Hamiltonians, is proposed as an efficient detector of avoided c rossings in the energy spectrum. This new application of fidelity is motivated for model systems, and its value for analyzing complex qua ntum spectra is underlined by applying it to... | [
"quant-ph",
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{
"author_id": "p plotz_0",
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"name": "Michael Lubasch",
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... | null |
119274097 | 0909.4143 | 2009-09-23 | Black hole information problem and quantum gravity | The gravity-scalar field system in spherical symmetry provides a natural setting for exploring gravitational collapse and its aftermath in quantum gravity. In a canonical approach, we give constructions of the constraint and Hamiltonian operators. Matter-gravity entanglement is an inherent feature of physical states, w... | [
"gr-qc",
"quant-ph"
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{
"author_id": "d terno_1",
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] | null |
118451309 | 0909.4255 | 2009-09-23 | Chaotic star formation and the alignment of stellar rotation with disc and planetary orbital axes | We investigate the evolution of the relative angle between the stellar rotation axis and the circumstellar disc axis of a star that forms in a stellar cluster from the collapse of a turbulent molecular cloud. This is an inherently chaotic environment with variable accretion, both in terms of rate and the angular moment... | [
"astro-ph.SR",
"astro-ph.EP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15334598 | 0909.4162 | 2009-09-23 | Nonlinear Time Series Analysis of Sunspot Data | This paper deals with the analysis of sunspot number time series using the Hurst exponent. We use the rescaled range (R/S) analysis to estimate the Hurst exponent for 259-year and 11360-year sunspot data. The results show a varying degree of persistence over shorter and longer time scales corresponding to distinct valu... | [
"astro-ph.SR",
"physics.data-an"
] | null | [
"target.key_reference"
] | null | null | null |
15186725 | 0909.4307 | 2009-09-23 | Precise mass and radius values for the white dwarf and low mass M dwarf in the pre-cataclysmic binary NN Serpentis | We derive precise system parameters for the pre-cataclysmic binary, NN Ser. From light curve fitting we find an orbital inclination of i = 89.6 +/- 0.2 deg. From the HeII absorption line we find K_{WD}= 62.3 +/- 1.9 km/s. The irradiation-induced emission lines from the surface of the secondary star give a range of obse... | [
"astro-ph.SR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17254870 | 0909.4313 | 2009-09-23 | A simple framework to justify linear response theory | The use of linear response theory for forced dissipative stochastic dynamical systems through the fluctuation dissipation theorem is an attractive way to study climate change systematically among other applications. Here, a mathematically rigorous justification of linear response theory for forced dissipative stochasti... | [
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7398948 | 0909.4205 | 2009-09-23 | Constraints on Star Forming Galaxies at z> 6.5 from HAWK-I Y-band Imaging of GOODS-South | We present the results of our search for high-redshift Lyman-break galaxies over the GOODS-South field. We use HST-ACS data in B, V, i' & z', VLT-ISAAC J and Ks, Spitzer-IRAC 3.6, 4.5, 5.8 and 8.0 micron data in conjunction with the new HAWK-I Y-band science verification data to search for dropout galaxies in the redsh... | [
"astro-ph.CO"
] | null | [
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6148489 | 0909.4177 | 2009-09-23 | On the Degrees of Freedom of Finite State Compound Wireless Networks - Settling a Conjecture by Weingarten et. al | We explore the degrees of freedom (DoF) of three classes of finite state compound wireless networks in this paper. First, we study the multiple-input single-output (MISO) finite state compound broadcast channel (BC) with arbitrary number of users and antennas at the transmitter. In prior work, Weingarten et. al. have f... | [
"cs.IT",
"math.IT"
] | null | [
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10410857 | 0909.4256 | 2009-09-23 | Inference in particle tracking experiments by passing messages between images | Methods to extract information from the tracking of mobile objects/particles have broad interest in biological and physical sciences. Techniques based on simple criteria of proximity in time-consecutive snapshots are useful to identify the trajectories of the particles. However, they become problematic as the motility ... | [
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2710178 | 0909.4359 | 2009-09-23 | Sparse Signal Reconstruction via Iterative Support Detection | We present a novel sparse signal reconstruction method "ISD", aiming to achieve fast reconstruction and a reduced requirement on the number of measurements compared to the classical l_1 minimization approach. ISD addresses failed reconstructions of l_1 minimization due to insufficient measurements. It estimates a suppo... | [
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17092194 | 0909.4314 | 2009-09-23 | Higher-dimensional models of networks | Networks are often studied as graphs, where the vertices stand for entities in the world and the edges stand for connections between them. While relatively easy to study, graphs are often inadequate for modeling real-world situations, especially those that include contexts of more than two entities. For these situation... | [
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] | null | null | null |
1925116 | 0909.4601 | 2009-09-24 | Rank Metric Decoder Architectures for Random Linear Network Coding with Error Control | While random linear network coding is a powerful tool for disseminating information in communication networks, it is highly susceptible to errors caused by various sources. Due to error propagation, errors greatly deteriorate the throughput of network coding and seriously undermine both reliability and security of data... | [
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"name": "Zhiyuan Yan",
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18085160 | 0909.4467 | 2009-09-24 | Reconstructing the Traffic State by Fusion of Heterogeneous Data | We present an advanced interpolation method for estimating smooth spatiotemporal profiles for local highway traffic variables such as flow, speed and density. The method is based on stationary detector data as typically collected by traffic control centres, and may be augmented by floating car data or other traffic inf... | [
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3655777 | 0909.4370 | 2009-09-24 | Rumors in a Network: Who's the Culprit? | We provide a systematic study of the problem of finding the source of a rumor in a network. We model rumor spreading in a network with a variant of the popular SIR model and then construct an estimator for the rumor source. This estimator is based upon a novel topological quantity which we term \textbf{rumor centrality... | [
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] | null | [
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] | null | null | null |
209127 | 0909.4386 | 2009-09-24 | Telling cause from effect based on high-dimensional observations | We describe a method for inferring linear causal relations among multi-dimensional variables. The idea is to use an asymmetry between the distributions of cause and effect that occurs if both the covariance matrix of the cause and the structure matrix mapping cause to the effect are independently chosen. The method wor... | [
"stat.ML"
] | null | [
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] | null | null | null |
15963486 | 0909.4559 | 2009-09-24 | Exact Results for Wilson Loops in Superconformal Chern-Simons Theories with Matter | We use localization techniques to compute the expectation values of supersymmetric Wilson loops in Chern-Simons theories with matter. We find the path-integral reduces to a non-Gaussian matrix model. The Wilson loops we consider preserve a single complex supersymmetry, and exist in any N=2 theory, though the localizati... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15954789 | 0909.4592 | 2009-09-24 | Autocorrelation-Run Formula for Binary Sequences | The autocorrelation function and the run structure are two basic notions for binary sequences, and have been used as two independent postulates to test randomness of binary sequences ever since Golomb 1955. In this paper, we prove for binary sequence that the autocorrelation function is in fact completely determined by... | [
"cs.IT",
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"math.CO",
"math.IT"
] | null | [
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] | null | null | null |
9375313 | 0909.4456 | 2009-09-24 | The Weighted CFG Constraint | We introduce the weighted CFG constraint and propose a propagation algorithm that enforces domain consistency in $O(n^3|G|)$ time. We show that this algorithm can be decomposed into a set of primitive arithmetic constraints without hindering propagation. | [
"cs.AI"
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13233064 | 0909.4505 | 2009-09-24 | Ergodicity of hypoelliptic SDEs driven by fractional Brownian motion | We demonstrate that stochastic differential equations (SDEs) driven by fractional Brownian motion with Hurst parameter H > 1/2 have similar ergodic properties as SDEs driven by standard Brownian motion. The focus in this article is on hypoelliptic systems satisfying H\"ormander's condition. We show that such systems sa... | [
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7552869 | 0909.4452 | 2009-09-24 | Flow-Based Propagators for the SEQUENCE and Related Global Constraints | We propose new filtering algorithms for the SEQUENCE constraint and some extensions of the SEQUENCE constraint based on network flows. We enforce domain consistency on the SEQUENCE constraint in $O(n^2)$ time down a branch of the search tree. This improves upon the best existing domain consistency algorithm by a factor... | [
"cs.AI"
] | null | [
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{
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6022233 | 0909.4542 | 2009-09-24 | A census of AM CVn stars: three new candidates and one confirmed 48.3-minute binary | We present three new candidate AM CVn binaries, plus one confirmed new system, from a spectroscopic survey of color-selected objects from the Sloan Digital Sky Survey. All four systems were found from their helium emission lines in low-resolution spectra taken on the Hale telescope at Palomar, and the Nordic Optical Te... | [
"astro-ph.SR"
] | null | [
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] | null | null | null |
695553 | 0909.4441 | 2009-09-24 | Dealing with incomplete agents' preferences and an uncertain agenda in group decision making via sequential majority voting | We consider multi-agent systems where agents' preferences are aggregated via sequential majority voting: each decision is taken by performing a sequence of pairwise comparisons where each comparison is a weighted majority vote among the agents. Incompleteness in the agents' preferences is common in many real-life setti... | [
"cs.AI",
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{
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{
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1764572 | 0909.4485 | 2009-09-24 | A note on a paper by Erik Volz [arXiv:0705.2092]: SIR dynamics in random networks | Recent work by Erik Volz [arXiv:0705.2092] has shown how to calculate the growth and eventual decay of an SIR epidemic on a static random network, assuming infection and recovery each happen at constant rates. This calculation allows us to account for effects due to heterogeneity in degree that are neglected in the sta... | [
"q-bio.PE",
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] | null | [
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] | null | null | null |
5226834 | 0909.4607 | 2009-09-24 | A note on the sign degree of formulas | Recent breakthroughs in quantum query complexity have shown that any formula of size n can be evaluated with O(sqrt(n)log(n)/log log(n)) many quantum queries in the bounded-error setting [FGG08, ACRSZ07, RS08b, Rei09]. In particular, this gives an upper bound on the approximate polynomial degree of formulas of the same... | [
"cs.CC"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119216888 | 0909.4525 | 2009-09-24 | Hydrodynamic Long-Time tails From Anti de Sitter Space | For generic field theories at finite temperature, a power-law falloff of correlation functions of conserved currents at long times is a prediction of non-linear hydrodynamics. We demonstrate, through a one-loop computation in Einstein gravity in Anti de Sitter space, that this effect is reproduced by the dynamics of bl... | [
"hep-th",
"hep-ph"
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{
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"author_id": "o saremi_1",
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9118366 | 0909.4348 | 2009-09-24 | Dependent Randomized Rounding for Matroid Polytopes and Applications | Motivated by several applications, we consider the problem of randomly rounding a fractional solution in a matroid (base) polytope to an integral one. We consider the pipage rounding technique and also present a new technique, randomized swap rounding. Our main technical results are concentration bounds for functions o... | [
"cs.DS",
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] | null | [
"target.author.publication_history.key_reference",
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] | null | null | null |
7187118 | 0909.4683 | 2009-09-25 | Deuterium chemistry in the Orion Bar PDR - "warm" chemistry starring CH2D+ | High levels of deuterium fractionation in gas-phase molecules are usually associated with cold regions, such as prestellar cores. Significant fractionation ratios are also observed in hot environments such as hot cores or hot corinos, where they are believed to be produced by the evaporation of the icy mantles surround... | [
"astro-ph.GA",
"astro-ph.SR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5014085 | 0909.4788 | 2009-09-25 | Optimal generation of Fock states in a weakly nonlinear oscillator | We apply optimal control theory to determine the shortest time in which an energy eigenstate of a weakly anharmonic oscillator can be created under the practical constraint of linear driving. We show that the optimal pulses are beatings of mostly the transition frequencies for the transitions up to the desired state an... | [
"quant-ph"
] | null | [
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{
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{
"author_id": "j gambetta_1",
"name": "Jay [\"M.\"] Gambetta",
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1221788 | 0909.4808 | 2009-09-25 | Combinatiorial Algorithms for Wireless Information Flow | A long-standing open question in information theory is to characterize the unicast capacity of a wireless relay network. The difficulty arises due to the complex signal interactions induced in the network, since the wireless channel inherently broadcasts the signals and there is interference among transmissions. Recent... | [
"cs.DS",
"cs.IT",
"math.IT"
] | null | [
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] | null | null | null |
15181632 | 0909.4786 | 2009-09-25 | Worldwide Use and Impact of the NASA Astrophysics Data System Digital Library | By combining data from the text, citation, and reference databases with data from the ADS readership logs we have been able to create Second Order Bibliometric Operators, a customizable class of collaborative filters which permits substantially improved accuracy in literature queries. Using the ADS usage logs along wit... | [
"cs.DL",
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] | null | [
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{
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{
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"name": "Günther Eichhorn",
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7918533 | 0909.4727 | 2009-09-25 | A regularity lemma, and low-weight approximators, for low-degree polynomial threshold functions | We give a "regularity lemma" for degree-d polynomial threshold functions (PTFs) over the Boolean cube {-1,1}^n. This result shows that every degree-d PTF can be decomposed into a constant number of subfunctions such that almost all of the subfunctions are close to being regular PTFs. Here a "regular PTF is a PTF sign(p... | [
"cs.CC",
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{
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{
"author_id": "r servedio_1",
"name": "Rocco [\"A.\"] Servedio",
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... | null |
2687600 | 0909.4807 | 2009-09-25 | Consensus in Correlated Random Topologies: Weights for Finite Time Horizon | We consider the weight design problem for the consensus algorithm under a finite time horizon. We assume that the underlying network is random where the links fail at each iteration with certain probability and the link failures can be spatially correlated. We formulate a family of weight design criteria (objective fun... | [
"cs.IT",
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] | null | [
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{
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{
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{
"author_id": "j xavier_1",
"name": "João [\"M.\",\"F.\"] Xavier",
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2472597 | 0909.4789 | 2009-09-25 | The Bibliometric Properties of Article Readership Information | The NASA Astrophysics Data System (ADS), along with astronomy's journals and data centers (a collaboration dubbed URANIA), has developed a distributed on-line digital library which has become the dominant means by which astronomers search, access and read their technical literature. Digital libraries such as the NASA A... | [
"cs.DL",
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] | null | [
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{
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{
"author_id": "g eichhorn_1",
"name": "Günther Eichhorn",
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9329497 | 0909.4588 | 2009-09-25 | Discrete MDL Predicts in Total Variation | The Minimum Description Length (MDL) principle selects the model that has the shortest code for data plus model. We show that for a countable class of models, MDL predictions are close to the true distribution in a strong sense. The result is completely general. No independence, ergodicity, stationarity, identifiabilit... | [
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"cs.LG",
"math.IT",
"math.ST",
"stat.ML",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
11415131 | 0909.4675 | 2009-09-25 | Light-Cone Gauge String Field Theory in Noncritical Dimensions | We study light-cone gauge string field theory in noncritical space-time dimensions. Such a theory corresponds to a string theory in a Lorentz noninvariant background. We identify the worldsheet theory for the longitudinal coordinate variables $X^\pm$ and study its properties. It is a CFT with the right value of Virasor... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14285764 | 0909.4777 | 2009-09-25 | Quantum information with Rydberg atoms | Rydberg atoms with principal quantum number n >> 1 have exaggerated atomic properties including dipole-dipole interactions that scale as n^4 and radiative lifetimes that scale as n^3. It was proposed a decade ago to take advantage of these properties to implement quantum gates between neutral atom qubits. The availabil... | [
"quant-ph",
"physics.atom-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
11744120 | 0909.4710 | 2009-09-25 | Maximum likelihood and the single receptor | Biological cells are able to accurately sense chemicals with receptors at their surfaces, allowing cells to move towards sources of attractant and away from sources of repellent. The accuracy of sensing chemical concentration is ultimately limited by the random arrival of particles at the receptors by diffusion. This f... | [
"q-bio.SC",
"q-bio.CB"
] | null | [
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{
"author_id": "r endres_1",
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{
"author_id": "n wingreen_1",
"name": "Ned [\"S.\"] Wingreen",
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6653529 | 0909.4790 | 2009-09-25 | Error analysis of tau-leap simulation methods | We perform an error analysis for numerical approximation methods of continuous time Markov chain models commonly found in the chemistry and biochemistry literature. The motivation for the analysis is to be able to compare the accuracy of different approximation methods and, specifically, Euler tau-leaping and midpoint ... | [
"math.PR",
"math.NA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13828722 | 0909.4820 | 2009-09-25 | Geometric stabilization of extended S=2 vortices in two-dimensional photonic lattices: theoretical analysis, numerical computation and experimental results | In this work, we focus our studies on the subject of nonlinear discrete self-trapping of S=2 (doubly-charged) vortices in two-dimensional photonic lattices, including theoretical analysis, numerical computation and experimental demonstration. We revisit earlier findings about S=2 vortices with a discrete model, and fin... | [
"nlin.PS"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "k law_1",
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},
{
"author_id": "d song_29",
"name": "Daohong Song",
"publication_history": null,
"h_index": null,
"num_papers": nul... | null |
5772651 | 0909.4766 | 2009-09-25 | Quantum Adiabatic Algorithms, Small Gaps, and Different Paths | We construct a set of instances of 3SAT which are not solved efficiently using the simplest quantum adiabatic algorithm. These instances are obtained by picking random clauses all consistent with two disparate planted solutions and then penalizing one of them with a single additional clause. We argue that by randomly m... | [
"quant-ph",
"cs.CC"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8590904 | 0909.4756 | 2009-09-25 | Bayesian Algorithmic Mechanism Design | The principal problem in algorithmic mechanism design is in merging the incentive constraints imposed by selfish behavior with the algorithmic constraints imposed by computational intractability. This field is motivated by the observation that the preeminent approach for designing incentive compatible mechanisms, namel... | [
"cs.GT"
] | null | [
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] | [
{
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}
] | [
{
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},
{
"author_id": "b lucier_1",
"name": "Brendan Lucier",
"publication_history": null,
"h_index": null,
"num_paper... | null |
15670565 | 0909.4890 | 2009-09-26 | Rosette Central Configurations, Degenerate central configurations and bifurcations | In this paper we find a class of new degenerate central configurations and bifurcations in the Newtonian $n$-body problem. In particular we analyze the Rosette central configurations, namely a coplanar configuration where $n$ particles of mass $m_1$ lie at the vertices of a regular $n$-gon, $n$ particles of mass $m_2$ ... | [
"math-ph",
"math.MP"
] | null | [
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] | [] | [
{
"author_id": "j lei_25",
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{
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"name": "Manuele Santoprete",
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"h_index": null,
"num_papers": null,... | null |
16934525 | 0909.4883 | 2009-09-26 | Convex Four Body Central Configurations with Some Equal Masses | We prove that there is a unique convex non-collinear central configuration of the planar Newtonian four-body problem when two equal masses are located at opposite vertices of a quadrilateral and, at most, only one of the remaining masses is larger than the equal masses. Such central configuration posses a symmetry line... | [
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "e pérez-chavela_1",
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},
{
"author_id": "m santoprete_1",
"name": "Manuele Santoprete",
"publication_history": null,
"h_index": null,
... | null |
14125245 | 0909.4882 | 2009-09-26 | $U(1) \times U(1) \rtimes Z_2$ Chern-Simons Theory and Z_4 Parafermion Fractional Quantum Hall States | We study $U(1) \times U(1) \rtimes Z_2$ Chern-Simons theory with integral coupling constants (k,l) and its relation to certain non-Abelian fractional quantum Hall (FQH) states. For the $U(1) \times U(1) \rtimes Z_2$ Chern-Simons theory, we show how to compute the dimension of its Hilbert space on genus g surfaces and h... | [
"cond-mat.str-el",
"cond-mat.mes-hall"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m barkeshli_1",
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},
{
"author_id": "x wen_8",
"name": "Xiao-Gang Wen",
"publication_history": null,
"h_index": null,
"num_papers": null,... | null |
115154971 | 0909.4887 | 2009-09-26 | Seven-body central configurations: a family of central configurations in the spatial seven-body problem | The main result of this paper is the existence of a new family of central configurations in the Newtonian spatial seven-body problem. This family is unusual in that it is a simplex stacked central configuration, i.e the bodies are arranged as concentric three and two dimensional simplexes. | [
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m hampton_1",
"name": "Marshall Hampton",
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},
{
"author_id": "m santoprete_1",
"name": "Manuele Santoprete",
"publication_history": null,
"h_index": null,
"num_paper... | null |
6749257 | 0909.4907 | 2009-09-27 | Linear stability of the Lagrangian triangle solutions for quasihomogeneous potentials | In this paper we study the linear stability of the relative equilibria for homogeneous and quasihomogeneous potentials. Firstly, in the case the potential is a homogeneous function of degree $-a$, we find that any relative equilibrium of the $n$-body problem with $a>2$ is spectrally unstable. We also find a similar con... | [
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m santoprete_1",
"name": "Manuele Santoprete",
"publication_history": null,
"h_index": null,
"num_papers": null,
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}
] | null |
8776056 | 0909.5011 | 2009-09-27 | Average sensitivity and noise sensitivity of polynomial threshold functions | We give the first non-trivial upper bounds on the average sensitivity and noise sensitivity of degree-$d$ polynomial threshold functions (PTFs). These bounds hold both for PTFs over the Boolean hypercube and for PTFs over $\R^n$ under the standard $n$-dimensional Gaussian distribution. Our bound on the Boolean average ... | [
"cs.CC",
"cs.DM"
] | null | [
"target.author.publication_history"
] | [
{
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},
{
"corpus_id": "7918533",
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},
{
"corpus_id": "263115528",
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] | [
{
"author_id": "i diakonikolas_1",
"name": "Ilias Diakonikolas",
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},
{
"author_id": "p raghavendra_1",
"name": "Prasad Raghavendra",
"publication_history": null,
"h_index": null,
"n... | null |
7952373 | 0909.4950 | 2009-09-27 | Implementing Gr\"obner bases for operads | We present an implementation of the algorithm for computing Groebner bases for operads due to the first author and A. Khoroshkin. We discuss the actual algorithms, the choices made for the implementation platform and the data representation, and strengths and weaknesses of our approach. | [
"cs.SC",
"cs.MS",
"math.QA"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "v dotsenko_2",
"name": "Vladimir Dotsenko",
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},
{
"author_id": "m vejdemo-johansson_1",
"name": "Mikael Vejdemo-Johansson",
"publication_history": null,
"h_index": null,... | null |
17349881 | 0909.5000 | 2009-09-27 | Eignets for function approximation on manifolds | Let $\XX$ be a compact, smooth, connected, Riemannian manifold without boundary, $G:\XX\times\XX\to \RR$ be a kernel. Analogous to a radial basis function network, an eignet is an expression of the form $\sum_{j=1}^M a_jG(\circ,y_j)$, where $a_j\in\RR$, $y_j\in\XX$, $1\le j\le M$. We describe a deterministic, universal... | [
"cs.LG",
"cs.NA",
"cs.NE"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "5546240",
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}
] | [
{
"author_id": "h mhaskar_1",
"name": "Hrushikesh [\"Narhar\"] Mhaskar",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
59326535 | 0909.4931 | 2009-09-27 | The S Parameter in QCD from Domain Wall Fermions | We have computed the SU(2) Low Energy Constant l5 and the mass splitting between charged and neutral pions from a lattice QCD simulation of nf = 2 + 1 flavors of Domain Wall Fermions at a scale of a-1 = 2.33GeV. Relating l5 to the S parameter in QCD we obtain a value of S(mH=120GeV) = 0.42(7), in agreement with previou... | [
"hep-lat"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "p boyle_1",
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},
{
"author_id": "l debbio_1",
"name": "Luigi [\"Del\"] Debbio",
"publication_history": null,
"h_index": null,
"num_pap... | null |
9132273 | 0909.4906 | 2009-09-27 | The Kepler Problem with Anisotropic Perturbations | We study a 2-body problem given by the sum of the Newtonian potential and an anisotropic perturbation that is a homogeneous function of degree $-\beta$, $\beta\ge 2$. For $\beta>2$, the sets of initial conditions leading to collisions/ejections and the one leading to escapes/captures have positive measure. For $\beta>2... | [
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "17830275",
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] | [
{
"author_id": "f diacu_1",
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},
{
"author_id": "e pérez-chavela_1",
"name": "Ernesto Pérez-Chavela",
"publication_history": null,
"h_index": null,
"num_paper... | null |
12279893 | 0909.4969 | 2009-09-27 | MACH: Fast Randomized Tensor Decompositions | Tensors naturally model many real world processes which generate multi-aspect data. Such processes appear in many different research disciplines, e.g, chemometrics, computer vision, psychometrics and neuroimaging analysis. Tensor decompositions such as the Tucker decomposition are used to analyze multi-aspect data and ... | [
"cs.DS"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "c tsourakakis_1",
"name": "Charalampos [\"E.\"] Tsourakakis",
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"h_index": null,
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}
] | null |
261738387 | 0909.4909 | 2009-09-27 | Saari's Conjecture for the Collinear $n$-Body Problem | In 1970 Don Saari conjectured that the only solutions of the Newtonian $n$-body problem that have constant moment of inertia are the relative equilibria. We prove this conjecture in the collinear case for any potential that involves only the mutual distances. Furthermore, in the case of homogeneous potentials, we show ... | [
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "f diacu_1",
"name": "Florin Diacu",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "e pérez-chavela_1",
"name": "Ernesto Pérez-Chavela",
"publication_history": null,
"h_index": null,
"num_paper... | null |
17418781 | 0909.4904 | 2009-09-27 | A Counterexample to a Generalized Saari's Conjecture with a Continuum of Central Configurations | In this paper we show that in the $n$-body problem with harmonic potential one can find a continuum of central configurations for $n=3$. Moreover we show a counterexample to an interpretation of Jerry Marsden Generalized Saari's conjecture. This will help to refine our understanding and formulation of the Generalized S... | [
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m santoprete_1",
"name": "Manuele Santoprete",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
17625743 | 0909.5117 | 2009-09-28 | Redundant variables and Granger causality | We discuss the use of multivariate Granger causality in presence of redundant variables: the application of the standard analysis, in this case, leads to under-estimation of causalities. Using the un-normalized version of the causality index, we quantitatively develop the notions of redundancy and synergy in the frame ... | [
"q-bio.QM",
"q-bio.NC"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "l angelini_2",
"name": "Leonardo Angelini",
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"num_papers": null,
"num_citations": null
},
{
"author_id": "m de tommaso_1",
"name": "Marina de Tommaso",
"publication_history": null,
"h_index": null,
"num_pape... | null |
16695757 | 0909.4991 | 2009-09-28 | Saari's Homographic Conjecture of the Three-Body Problem | Saari's homographic conjecture, which extends a classical statement proposed by Donald Saari in 1970, claims that solutions of the Newtonian $n$-body problem with constant configurational measure are homographic. In other words, if the mutual distances satisfy a certain relationship, the configuration of the particle s... | [
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "f diacu_1",
"name": "Florin Diacu",
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"h_index": null,
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},
{
"author_id": "t fujiwara_2",
"name": "Toshiaki Fujiwara",
"publication_history": null,
"h_index": null,
"num_papers": null,... | null |
15219511 | 0909.5099 | 2009-09-28 | Breaking Generator Symmetry | Dealing with large numbers of symmetries is often problematic. One solution is to focus on just symmetries that generate the symmetry group. Whilst there are special cases where breaking just the symmetries in a generating set is complete, there are also cases where no irredundant generating set eliminates all symmetry... | [
"cs.AI",
"cs.CC"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "g katsirelos_1",
"name": "George Katsirelos",
"publication_history": null,
"h_index": null,
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"num_citations": null
},
{
"author_id": "n narodytska_1",
"name": "Nina Narodytska",
"publication_history": null,
"h_index": null,
"num_pape... | null |
14466327 | 0909.5120 | 2009-09-28 | Feedback-Based Collaborative Secrecy Encoding over Binary Symmetric Channels | In this paper we propose a feedback scheme for transmitting secret messages between two legitimate parties, over an eavesdropped communication link. Relative to Wyner's traditional encoding scheme \cite{wyner1}, our feedback-based encoding often yields larger rate-equivocation regions and achievable secrecy rates. More... | [
"cs.IT",
"cs.CR",
"math.IT"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "8298959",
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},
{
"corpus_id": "14832691",
"num_citations": null
}
] | [
{
"author_id": "g amariucai_1",
"name": "George [\"T.\"] Amariucai",
"publication_history": null,
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"num_papers": null,
"num_citations": null
},
{
"author_id": "s wei_43",
"name": "Shuangqing Wei",
"publication_history": null,
"h_index": null,
"num_pape... | null |
7385280 | 0909.5024 | 2009-09-28 | Generalized Sidon sets | We give asymptotic sharp estimates for the cardinality of a set of residue classes with the property that the representation function is bounded by a prescribed number. We then use this to obtain an analogous result for sets of integers, answering an old question of Simon Sidon. | [
"math.NT",
"math.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16917975 | 0909.4989 | 2009-09-28 | Central Configurations and Total Collisions for Quasihomogeneous n-Body Problems | We consider $n$-body problems given by potentials of the form ${\alpha\over r^a}+{\beta\over r^b}$ with $a,b,\alpha,\beta$ constants, $0\le a<b$. To analyze the dynamics of the problem, we first prove some properties related to central configurations, including a generalization of Moulton's theorem. Then we obtain seve... | [
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "f diacu_1",
"name": "Florin Diacu",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "e pérez-chavela_1",
"name": "Ernesto Pérez-Chavela",
"publication_history": null,
"h_index": null,
"num_paper... | null |
2571732 | 0909.4828 | 2009-09-28 | Optimal Feedback Communication via Posterior Matching | In this paper we introduce a fundamental principle for optimal communication over general memoryless channels in the presence of noiseless feedback, termed posterior matching. Using this principle, we devise a (simple, sequential) generic feedback transmission scheme suitable for a large class of memoryless channels an... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1520660 | 0909.5194 | 2009-09-28 | Dirichlet Process Mixtures of Generalized Linear Models | We propose Dirichlet Process mixtures of Generalized Linear Models (DP-GLM), a new method of nonparametric regression that accommodates continuous and categorical inputs, and responses that can be modeled by a generalized linear model. We prove conditions for the asymptotic unbiasedness of the DP-GLM regression mean fu... | [
"stat.ML"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "115601",
"num_citations": null
}
] | [
{
"author_id": "l hannah_1",
"name": "Lauren Hannah",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "d blei_1",
"name": "David [\"M.\"] Blei",
"publication_history": null,
"h_index": null,
"num_papers": null,... | null |
15178096 | 0909.5193 | 2009-09-28 | The relation between $\Delta\nu$ and $\nu_{max}$ for solar-like oscillations | Establishing relations between global stellar parameters and asteroseismic quantities can help improve our understanding of stellar astrophysics and facilitate the interpretation of observations. We present an observed relation between the large frequency separation, $\Delta\nu$, and the frequency of maximum power, $\n... | [
"astro-ph.SR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2136825 | 0909.5006 | 2009-09-28 | On the Degrees of Freedom of the Compound MIMO Broadcast Channels with Finite States | Multiple-antenna broadcast channels with $M$ transmit antennas and $K$ single-antenna receivers is considered, where the channel of receiver $r$ takes one of the $J_r$ finite values. It is assumed that the channel states of each receiver are randomly selected from $\mathds{R}^{M\times 1}$ (or from $\mathds{C}^{M\times ... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "m maddah-ali_1",
"name": "Mohammad [\"Ali\"] Maddah-ali",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
16515631 | 0909.5168 | 2009-09-28 | Nonparametric estimation of covariance functions by model selection | We propose a model selection approach for covariance estimation of a multi-dimensional stochastic process. Under very general assumptions, observing i.i.d replications of the process at fixed observation points, we construct an estimator of the covariance function by expanding the process onto a collection of basis fun... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1128636 | 0909.5200 | 2009-09-28 | Tradeoffs for reliable quantum information storage in 2D systems | We ask whether there are fundamental limits on storing quantum information reliably in a bounded volume of space. To investigate this question, we study quantum error correcting codes specified by geometrically local commuting constraints on a 2D lattice of finite-dimensional quantum particles. For these 2D systems, we... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7875616 | 0909.5175 | 2009-09-28 | Bounding the Sensitivity of Polynomial Threshold Functions | We give the first non-trivial upper bounds on the average sensitivity and noise sensitivity of polynomial threshold functions. More specifically, for a Boolean function f on n variables equal to the sign of a real, multivariate polynomial of total degree d we prove 1) The average sensitivity of f is at most O(n^{1-1/(4... | [
"cs.CC",
"cs.LG"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "7918533",
"num_citations": null
}
] | [
{
"author_id": "p harsha_2",
"name": "Prahladh Harsha",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "a klivans_1",
"name": "Adam [\"R.\"] Klivans",
"publication_history": null,
"h_index": null,
"num_papers"... | null |
10548613 | 0909.5216 | 2009-09-28 | Learning Gaussian Tree Models: Analysis of Error Exponents and Extremal Structures | The problem of learning tree-structured Gaussian graphical models from independent and identically distributed (i.i.d.) samples is considered. The influence of the tree structure and the parameters of the Gaussian distribution on the learning rate as the number of samples increases is discussed. Specifically, the error... | [
"stat.ML",
"cs.IT",
"math.IT",
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
55512546 | 0909.5075 | 2009-09-28 | Entropy and Information Causality in General Probabilistic Theories | We investigate the concept of entropy in probabilistic theories more general than quantum mechanics, with particular reference to the notion of information causality recently proposed by Pawlowski et. al. (arXiv:0905.2992). We consider two entropic quantities, which we term measurement and mixing entropy. In classical ... | [
"quant-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "h barnum_1",
"name": "Howard Barnum",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "j barrett_2",
"name": "Jonathan Barrett",
"publication_history": null,
"h_index": null,
"num_papers": null,... | null |
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