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 ⌀ |
|---|---|---|---|---|---|---|---|---|---|---|
5817450 | 0804.2937 | 2008-04-18 | Margin-adaptive model selection in statistical learning | A classical condition for fast learning rates is the margin condition, first introduced by Mammen and Tsybakov. We tackle in this paper the problem of adaptivity to this condition in the context of model selection, in a general learning framework. Actually, we consider a weaker version of this condition that allows one... | [
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"stat.ML",
"stat.TH"
] | null | [
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3841715 | 0804.3120 | 2008-04-18 | The Capacity Of Two Way Relay Channel | This paper investigates the capacity of a wireless two way relay channel in which two end nodes exchange information via a relay node. The capacity is defined in the information-theoretic sense as the maximum information exchange rate between the two end nodes. We give an upper bound of the capacity by applying the cut... | [
"cs.IT",
"math.IT"
] | null | [
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{
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"name": "Shengli Zhang",
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{
"author_id": "s liew_1",
"name": "Soung [\"Chang\"] Liew",
"publication_history": null,
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14765789 | 0804.3089 | 2008-04-18 | A characterization of dimension free concentration in terms of transportation inequalities | The aim of this paper is to show that a probability measure concentrates independently of the dimension like a gaussian measure if and only if it verifies Talagrand's $\T_2$ transportation-cost inequality. This theorem permits us to give a new and very short proof of a result of Otto and Villani. Generalizations to oth... | [
"math.PR",
"math.FA"
] | null | [
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7372114 | 0804.3103 | 2008-04-18 | Size matters: performance declines if your pixels are too big or too small | We present a conceptual model that describes the effect of pixel size on target acquisition. We demonstrate the use of our conceptual model by applying it to predict and explain the results of an experiment to evaluate users' performance in a target acquisition task involving three distinct display sizes: standard desk... | [
"cs.GR",
"cs.HC"
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{
"author_id": "v kostakos_1",
"name": "Vassilis Kostakos",
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"author_id": "e o'neill_0",
"name": "Eamonn O'Neill",
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1655459 | 0804.3166 | 2008-04-19 | Analysis of comparative data with hierarchical autocorrelation | The asymptotic behavior of estimates and information criteria in linear models are studied in the context of hierarchically correlated sampling units. The work is motivated by biological data collected on species where autocorrelation is based on the species' genealogical tree. Hierarchical autocorrelation is also foun... | [
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"math.ST",
"stat.TH"
] | null | [
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14716196 | 0804.3134 | 2008-04-19 | Siegel modular forms mod p | We prove a vanishing theorem for one forms on the moduli stack of principally polarized abelian varieties of genus g>1 with level structure N over fields of characteristic p different from two. This is used to compute the Picard groups of these stacks. As an application we obtain results one congruences between integra... | [
"math.NT",
"math.AG",
"math.CV"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7172306 | 0804.3211 | 2008-04-20 | A structural approach to subset-sum problems | We discuss a structural approach to subset-sum problems in additive combinatorics. The core of this approach are Freiman-type structural theorems, many of which will be presented through the paper. These results have applications in various areas, such as number theory, combinatorics and mathematical physics. | [
"math.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15584952 | 0804.3186 | 2008-04-20 | Fractal scale-free networks resistant to disease spread | In contrast to the conventional wisdom that scale-free networks are prone to epidemic propagation, in the paper we present that disease spreading is inhibited in fractal scale-free networks. We first propose a novel network model and show that it simultaneously has the following rich topological properties: scale-free ... | [
"q-bio.PE",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history"
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{
"author_id": "z zhang_150",
"name": "Zhongzhi Zhang",
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},
{
"author_id": "s zhou_53",
"name": "Shuigeng Zhou",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
15368508 | 0804.3413 | 2008-04-21 | Robust Machine Learning Applied to Astronomical Datasets III: Probabilistic Photometric Redshifts for Galaxies and Quasars in the SDSS and GALEX | We apply machine learning in the form of a nearest neighbor instance-based algorithm (NN) to generate full photometric redshift probability density functions (PDFs) for objects in the Fifth Data Release of the Sloan Digital Sky Survey (SDSS DR5). We use a conceptually simple but novel application of NN to generate the ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1620416 | 0804.3255 | 2008-04-21 | Reconstruction of Multidimensional Signals from Irregular Noisy Samples | We focus on a multidimensional field with uncorrelated spectrum, and study the quality of the reconstructed signal when the field samples are irregularly spaced and affected by independent and identically distributed noise. More specifically, we apply linear reconstruction techniques and take the mean square error (MSE... | [
"cs.IT",
"math.IT"
] | null | [
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{
"author_id": "a nordio_1",
"name": "Alessandro Nordio",
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{
"author_id": "c chiasserini_1",
"name": "Carla-Fabiana Chiasserini",
"publication_history": null,
"h_index": null,
"n... | null |
124016 | 0804.3271 | 2008-04-21 | Information Theoretic Operating Regimes of Large Wireless Networks | In analyzing the point-to-point wireless channel, insights about two qualitatively different operating regimes--bandwidth- and power-limited--have proven indispensable in the design of good communication schemes. In this paper, we propose a new scaling law formulation for wireless networks that allows us to develop a t... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1380135 | 0804.3401 | 2008-04-21 | Quantum Computational Complexity | This article surveys quantum computational complexity, with a focus on three fundamental notions: polynomial-time quantum computations, the efficient verification of quantum proofs, and quantum interactive proof systems. Properties of quantum complexity classes based on these notions, such as BQP, QMA, and QIP, are pre... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
106400253 | 0804.3374 | 2008-04-21 | Coupled-Resonator Optical Near-Field Lithography | The problem of pattern formation in resonantly-enhanced near-field lithography by the use of dielectric or plasmonic planar resonators is investigated. Sub-diffraction-limited bright or dark spots can be produced by taking advantage of the rotational invariance of planar resonators. To increase the spatial bandwidth of... | [
"physics.optics"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m tsang_3",
"name": "Mankei Tsang",
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{
"author_id": "d psaltis_2",
"name": "Demetri Psaltis",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
550033 | 0804.3421 | 2008-04-21 | Coalitions in Cooperative Wireless Networks | Cooperation between rational users in wireless networks is studied using coalitional game theory. Using the rate achieved by a user as its utility, it is shown that the stable coalition structure, i.e., set of coalitions from which users have no incentives to defect, depends on the manner in which the rate gains are ap... | [
"cs.GT",
"cs.IT",
"math.IT"
] | null | [
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{
"author_id": "s mathur_4",
"name": "Suhas Mathur",
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{
"author_id": "l sankar_1",
"name": "L. Sankar",
"publication_history": null,
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1449493 | 0804.3575 | 2008-04-22 | Isotropic PCA and Affine-Invariant Clustering | We present a new algorithm for clustering points in R^n. The key property of the algorithm is that it is affine-invariant, i.e., it produces the same partition for any affine transformation of the input. It has strong guarantees when the input is drawn from a mixture model. For a mixture of two arbitrary Gaussians, the... | [
"cs.LG",
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] | null | [
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{
"author_id": "c brubaker_0",
"name": "Charles Brubaker",
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},
{
"author_id": "s vempala_1",
"name": "Santosh [\"S.\"] Vempala",
"publication_history": null,
"h_index": null,
"num_p... | null |
16536764 | 0804.3459 | 2008-04-22 | Towards a stable definition of Kolmogorov-Chaitin complexity | Although information content is invariant up to an additive constant, the range of possible additive constants applicable to programming languages is so large that in practice it plays a major role in the actual evaluation of K(s), the Kolmogorov-Chaitin complexity of a string s. Some attempts have been made to arrive ... | [
"cs.IT",
"cs.CC",
"math.IT"
] | null | [
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{
"author_id": "j delahaye_1",
"name": "Jean-Paul Delahaye",
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},
{
"author_id": "h zenil_1",
"name": "Hector Zenil",
"publication_history": null,
"h_index": null,
"num_papers": null... | null |
15400404 | 0804.3505 | 2008-04-22 | A geometric study of Wasserstein spaces: Euclidean spaces | We study the Wasserstein space (with quadratic cost) of Euclidean spaces as an intrinsic metric space. In particular we compute their isometry groups. Surprisingly, in the case of the line, there exists a (unique) "exotic" isometric flow. This contrasts with the case of higher-dimensional Euclidean spaces, where all is... | [
"math.MG"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
1704971 | 0804.3500 | 2008-04-22 | Natural pseudo-distance and optimal matching between reduced size functions | This paper studies the properties of a new lower bound for the natural pseudo-distance. The natural pseudo-distance is a dissimilarity measure between shapes, where a shape is viewed as a topological space endowed with a real-valued continuous function. Measuring dissimilarity amounts to minimizing the change in the fu... | [
"cs.CG",
"cs.CV"
] | null | [
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{
"author_id": "m d'amico_1",
"name": "Michele d'Amico",
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},
{
"author_id": "p frosini_1",
"name": "Patrizio Frosini",
"publication_history": null,
"h_index": null,
"num_papers": nu... | null |
17883390 | 0804.3549 | 2008-04-22 | Blow up and regularity for fractal Burgers equation | The paper is a comprehensive study of the existence, uniqueness, blow up and regularity properties of solutions of the Burgers equation with fractional dissipation. We prove existence of the finite time blow up for the power of Laplacian $\alpha < 1/2,$ and global existence as well as analyticity of solution for $\alph... | [
"math.AP"
] | null | [
"target.key_reference"
] | null | null | null |
6834386 | 0804.3439 | 2008-04-22 | Information theoretic bounds for Compressed Sensing | In this paper we derive information theoretic performance bounds to sensing and reconstruction of sparse phenomena from noisy projections. We consider two settings: output noise models where the noise enters after the projection and input noise models where the noise enters before the projection. We consider two types ... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1776184 | 0804.3465 | 2008-04-22 | The close-in companion of the fast rotating Be star Achernar | Context: Be stars are massive dwarf or subgiant stars that present temporary emission lines in their spectrum, and particularly in the Halpha line. The mechanism triggering these Be episodes is currently unknown, but binarity could play an important role. Aims: Previous observations with the VLT/VISIR instrument (Kerve... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14346266 | 0804.3568 | 2008-04-22 | A Monte Carlo Model for 'Jet Quenching' | We have developed the Monte Carlo simulation program JEWEL 1.0 (Jet Evolution With Energy Loss), which interfaces a perturbative final state parton shower with medium effects occurring in ultra-relativistic heavy ion collisions. This is done by comparing for each jet fragment the probability of further perturbative spl... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119311714 | 0804.3544 | 2008-04-22 | Generating derivative structures: Algorithm and applications | We present an algorithm for generating all derivative superstructures--for arbitrary parent structures and for any number of atom types. This algorithm enumerates superlattices and atomic configurations in a geometry-independent way. The key concept is to use the quotient group associated with each superlattice to dete... | [
"cond-mat.mtrl-sci",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "g hart_1",
"name": "Gus [\"L.\",\"W.\"] Hart",
"publication_history": null,
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},
{
"author_id": "r forcade_1",
"name": "Rodney [\"W.\"] Forcade",
"publication_history": null,
"h_index": null,
"nu... | null |
17314172 | 0804.3745 | 2008-04-23 | Big-Bang Nucleosynthesis and Gravitino | We derive big-bang nucleosynthesis (BBN) constraints on both unstable and stable gravitino taking account of recent progresses in theoretical study of the BBN processes as well as observations of primordial light-element abundances. In the case of unstable gravitino, we set the upper limit on the reheating temperature ... | [
"hep-ph",
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14895318 | 0804.3817 | 2008-04-23 | Multiple Random Oracles Are Better Than One | We study the problem of learning k-juntas given access to examples drawn from a number of different product distributions. Thus we wish to learn a function f : {-1,1}^n -> {-1,1} that depends on k (unknown) coordinates. While the best known algorithms for the general problem of learning a k-junta require running time o... | [
"cs.LG"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j arpe_1",
"name": "Jan Arpe",
"publication_history": null,
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},
{
"author_id": "e mossel_1",
"name": "Elchanan Mossel",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num... | null |
11867432 | 0804.3678 | 2008-04-23 | Causal inference using the algorithmic Markov condition | Inferring the causal structure that links n observables is usually based upon detecting statistical dependences and choosing simple graphs that make the joint measure Markovian. Here we argue why causal inference is also possible when only single observations are present. We develop a theory how to generate causal grap... | [
"math.ST",
"cs.IT",
"math.IT",
"stat.ML",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
952820 | 0804.3752 | 2008-04-23 | The privacy implications of Bluetooth | A substantial amount of research, as well as media hype, has surrounded RFID technology and its privacy implications. Currently, researchers and the media focus on the privacy threats posed by RFID, while consumer groups choose to boycott products bearing RFID tags. At the same, however, a very similar technology has q... | [
"cs.CR",
"cs.CY"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "v kostakos_1",
"name": "Vassilis Kostakos",
"publication_history": null,
"h_index": null,
"num_papers": null,
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}
] | null |
52065807 | 0804.3972 | 2008-04-24 | Toward an AdS/cold atoms correspondence: a geometric realization of the Schroedinger symmetry | We discuss a realization of the nonrelativistic conformal group (the Schroedinger group) as the symmetry of a spacetime. We write down a toy model in which this geometry is a solution to field equations. We discuss various issues related to nonrelativistic holography. In particular, we argue that free fermions and ferm... | [
"hep-th",
"cond-mat.other",
"nucl-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8042566 | 0804.3896 | 2008-04-24 | A novel background reduction strategy for high level triggers and processing in gamma-ray Cherenkov detectors | Gamma ray astronomy is now at the leading edge for studies related both to fundamental physics and astrophysics. The sensitivity of gamma detectors is limited by the huge amount of background, constituted by hadronic cosmic rays (typically two to three orders of magnitude more than the signal) and by the accidental bac... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "g cabras_1",
"name": "Grazia Cabras",
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},
{
"author_id": "a angelis_2",
"name": "Alessandro [\"De\"] Angelis",
"publication_history": null,
"h_index": null,
"num_pap... | null |
15386697 | 0804.3850 | 2008-04-24 | The Milky Way Tomography with SDSS: II. Stellar Metallicity | Using effective temperature and metallicity derived from SDSS spectra for ~60,000 F and G type main sequence stars (0.2<g-r<0.6), we develop polynomial models for estimating these parameters from the SDSS u-g and g-r colors. We apply this method to SDSS photometric data for about 2 million F/G stars and measure the unb... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16411191 | 0804.3883 | 2008-04-24 | Study of b-quark mass effects in multijet topologies with the DELPHI detector at LEP | The effect of the heavy b-quark mass on the two, three and four-jet rates is studied using LEP data collected by the DELPHI experiment at the Z peak in 1994 and 1995. The rates of b-quark jets and light quark jets (l = uds) in events with n = 2, 3, and 4 jets, together with the ratio of two and four-jet rates of b-quar... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j abdallah_1",
"name": "Jalal Abdallah",
"publication_history": null,
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},
{
"author_id": "p abreu_1",
"name": "Pedro Abreu",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
18607287 | 0804.3899 | 2008-04-24 | Neutrino Interactions | This manuscript summarizes a series of three lectures on interactions of neutrinos . The lectures begin with a pedagogical foundation and then explore topics of interest to current and future neutrino oscillation and cross-section experiments. | [
"hep-ex"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
54674023 | 0804.3976 | 2008-04-24 | Matrix product operator representations | We show how to construct relevant families of matrix product operators in one and higher dimensions. Those form the building blocks for the numerical simulation methods based on matrix product states and projected entangled pair states. In particular, we construct translational invariant matrix product operators suitab... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
117568789 | 0804.3826 | 2008-04-24 | Radiotherapy using a laser proton accelerator | Laser acceleration promises innovation in particle beam therapy of cancer where an ultra-compact accelerator system for cancer beam therapy can become affordable to a broad range of patients. This is not feasible without the introduction of a technology that is radically different from the conventional accelerator-base... | [
"physics.med-ph",
"physics.comp-ph",
"physics.plasm-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m murakami_1",
"name": "Masao Murakami",
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},
{
"author_id": "y hishikawa_0",
"name": "Yoshio Hishikawa",
"publication_history": null,
"h_index": null,
"num_papers": ... | null |
17737177 | 0804.3829 | 2008-04-24 | Revisiting the parametrization of Equation of State of Dark Energy via SNIa Data | In this paper, we revisit the parameterizations of the equation of state of dark energy and point out that comparing merely the $\chi^2$ of different fittings may not be optimal for choosing the "best" parametrization. Another figure of merit for evaluating different parametrizations based on the area of the $w(z) - z$... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16735939 | 0804.3965 | 2008-04-24 | Metaheuristics and Their Hybridization to Solve the Bi-objective Ring Star Problem: a Comparative Study | This paper presents and experiments approaches to solve a new bi-objective routing problem called the ring star problem. It consists of locating a simple cycle through a subset of nodes of a graph while optimizing two kinds of cost. The first objective is the minimization of a ring cost that is related to the length of... | [
"math.CO"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a liefooghe_1",
"name": "Arnaud Liefooghe",
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{
"author_id": "l jourdan_1",
"name": "Laetitia Jourdan",
"publication_history": null,
"h_index": null,
"num_papers":... | null |
1524045 | 0804.3989 | 2008-04-24 | Maximum likelihood estimation of a multidimensional log-concave density | Let X_1, ..., X_n be independent and identically distributed random vectors with a log-concave (Lebesgue) density f. We first prove that, with probability one, there exists a unique maximum likelihood estimator of f. The use of this estimator is attractive because, unlike kernel density estimation, the method is fully ... | [
"stat.ME",
"stat.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2034734 | 0804.4139 | 2008-04-25 | The spectroscopic orbit and the geometry of R Aqr | R Aqr is one of the closest symbiotic binaries and the only D-type system with radial velocity data suitable for orbital parameters estimation. The aims of our study are to derive a reliable spectroscopic orbit of the Mira component, and to establish connections between the orbital motion and other phenomena shown by R... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
9013075 | 0804.4053 | 2008-04-25 | Gravity duals for non-relativistic CFTs | We attempt to generalize the AdS/CFT correspondence to non-relativistic conformal field theories which are invariant under Galilean transformations. Such systems govern ultracold atoms at unitarity, nucleon scattering in some channels, and more generally, a family of universality classes of quantum critical behavior. W... | [
"hep-th",
"cond-mat.other",
"nucl-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13197570 | 0804.4138 | 2008-04-25 | Sketching and Streaming Entropy via Approximation Theory | We conclude a sequence of work by giving near-optimal sketching and streaming algorithms for estimating Shannon entropy in the most general streaming model, with arbitrary insertions and deletions. This improves on prior results that obtain suboptimal space bounds in the general model, and near-optimal bounds in the in... | [
"cs.DS"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
12132719 | 0804.4145 | 2008-04-25 | The Cops and Robber game on graphs with forbidden (induced) subgraphs | The two-player, complete information game of Cops and Robber is played on undirected finite graphs. A number of cops and one robber are positioned on vertices and take turns in sliding along edges. The cops win if, after a move, a cop and the robber are on the same vertex. The minimum number of cops needed to catch the... | [
"math.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15491313 | 0804.4259 | 2008-04-26 | Speed-up via Quantum Sampling | The Markov Chain Monte Carlo method is at the heart of efficient approximation schemes for a wide range of problems in combinatorial enumeration and statistical physics. It is therefore very natural and important to determine whether quantum computers can speed-up classical mixing processes based on Markov chains. To t... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
11003605 | 0804.4202 | 2008-04-26 | High-Dimensional Graphical Model Selection Using $\ell_1$-Regularized Logistic Regression | We consider the problem of estimating the graph structure associated with a discrete Markov random field. We describe a method based on $\ell_1$-regularized logistic regression, in which the neighborhood of any given node is estimated by performing logistic regression subject to an $\ell_1$-constraint. Our framework ap... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2638000 | 0804.4291 | 2008-04-27 | Effective Field Theory for Inflation | The methods of effective field theory are used to study generic theories of inflation with a single inflaton field. For scalar modes, the leading corrections to the ${\cal R}$ correlation function are found to be purely of the $k$-inflation type. For tensor modes the leading corrections to the correlation function aris... | [
"hep-th",
"astro-ph",
"gr-qc"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15352375 | 0804.4262 | 2008-04-27 | A posteriori error control for discontinuous Galerkin methods for parabolic problems | We derive energy-norm a posteriori error bounds for an Euler time-stepping method combined with various spatial discontinuous Galerkin schemes for linear parabolic problems. For accessibility, we address first the spatially semidiscrete case, and then move to the fully discrete scheme by introducing the implicit Euler ... | [
"math.NA",
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] | null | [
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{
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{
"author_id": "o lakkis_1",
"name": "Omar Lakkis",
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6480344 | 0804.4433 | 2008-04-28 | SPACE: the SPectroscopic All-sky Cosmic Explorer | We describe the scientific motivations, the mission concept and the instrumentation of SPACE, a class-M mission proposed for concept study at the first call of the ESA Cosmic-Vision 2015-2025 planning cycle. SPACE aims to produce the largest three-dimensional evolutionary map of the Universe over the past 10 billion ye... | [
"astro-ph"
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"name": "Massimo Robberto",
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119266744 | 0804.4475 | 2008-04-28 | The Transit Light Curve Project. IX. Evidence for a Smaller Radius of the Exoplanet XO-3b | We present photometry of 13 transits of XO-3b, a massive transiting planet on an eccentric orbit. Previous data led to two inconsistent estimates of the planetary radius. Our data strongly favor the smaller radius, with increased precision: R_p = 1.217 +/- 0.073 R_Jup. A conflict remains between the mean stellar densit... | [
"astro-ph"
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"name": "Matthew [\"J.\"] Holman",
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3266555 | 0804.4530 | 2008-04-28 | Strategy Improvement for Concurrent Safety Games | We consider concurrent games played on graphs. At every round of the game, each player simultaneously and independently selects a move; the moves jointly determine the transition to a successor state. Two basic objectives are the safety objective: ``stay forever in a set F of states'', and its dual, the reachability ob... | [
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8686800 | 0804.4517 | 2008-04-28 | A multivariate generalization of Costa's entropy power inequality | A simple multivariate version of Costa's entropy power inequality is proved. In particular, it is shown that if independent white Gaussian noise is added to an arbitrary multivariate signal, the entropy power of the resulting random variable is a multidimensional concave function of the individual variances of the comp... | [
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"name": "Daniel [\"Pérez\"] Palomar",
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119278355 | 0804.4447 | 2008-04-28 | On the structure of Clifford quantum cellular automata | We study reversible quantum cellular automata with the restriction that these are also Clifford operations. This means that tensor products of Pauli operators (or discrete Weyl operators) are mapped to tensor products of Pauli operators. Therefore Clifford quantum cellular automata are induced by symplectic cellular au... | [
"quant-ph"
] | null | [
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] | null | null | null |
11865695 | 0804.4489 | 2008-04-28 | Generalized Degrees of Freedom of the Symmetric Gaussian $K$ User Interference Channel | We characterize the generalized degrees of freedom of the $K$ user symmetric Gaussian interference channel where all desired links have the same signal-to-noise ratio (SNR) and all undesired links carrying interference have the same interference-to-noise ratio, ${INR}={SNR}^\alpha$. We find that the number of generaliz... | [
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1707920 | 0804.4525 | 2008-04-28 | The Complexity of Coverage | We study the problem of generating a test sequence that achieves maximal coverage for a reactive system under test. We formulate the problem as a repeated game between the tester and the system, where the system state space is partitioned according to some coverage criterion and the objective of the tester is to maximi... | [
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119290835 | 0804.4473 | 2008-04-28 | The Dartmouth Stellar Evolution Database | The ever-expanding depth and quality of photometric and spectroscopic observations of stellar populations increase the need for theoretical models in regions of age-composition parameter space that are largely unexplored at present. Stellar evolution models that employ the most advanced physics and cover a wide range o... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14083848 | 0804.4372 | 2008-04-28 | Inferring population history with DIYABC: a user-friendly approach to Approximate Bayesian Computation | Genetic data obtained on population samples convey information about their evolutionary history. Inference methods can extract this information (at least partially) but they require sophisticated statistical techniques that have been made available to the biologist community (through computer programs) only for simple ... | [
"q-bio.PE"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1104277 | 0804.4457 | 2008-04-28 | Image recognition with an adiabatic quantum computer I. Mapping to quadratic unconstrained binary optimization | Many artificial intelligence (AI) problems naturally map to NP-hard optimization problems. This has the interesting consequence that enabling human-level capability in machines often requires systems that can handle formally intractable problems. This issue can sometimes (but possibly not always) be resolved by buildin... | [
"quant-ph"
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{
"author_id": "h neven_1",
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1735916 | 0804.4685 | 2008-04-29 | Gaussian Processes and Limiting Linear Models | Gaussian processes retain the linear model either as a special case, or in the limit. We show how this relationship can be exploited when the data are at least partially linear. However from the perspective of the Bayesian posterior, the Gaussian processes which encode the linear model either have probability of nearly... | [
"stat.ME",
"stat.ML"
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{
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"name": "Herbert [\"K.\",\"H.\"] Lee",
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"... | null |
15279243 | 0804.4483 | 2008-04-29 | Galaxy Zoo : Morphologies derived from visual inspection of galaxies from the Sloan Digital Sky Survey | In order to understand the formation and subsequent evolution of galaxies one must first distinguish between the two main morphological classes of massive systems: spirals and early-type systems. This paper introduces a project, Galaxy Zoo, which provides visual morphological classifications for nearly one million gala... | [
"astro-ph"
] | null | [
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] | null | null | null |
7447793 | 0804.4744 | 2008-04-29 | Lattice Problems, Gauge Functions and Parameterized Algorithms | Given a k-dimensional subspace M\subseteq \R^n and a full rank integer lattice L\subseteq \R^n, the \emph{subspace avoiding problem} SAP is to find a shortest vector in L\setminus M. Treating k as a parameter, we obtain new parameterized approximation and exact algorithms for SAP based on the AKS sieving technique. Mor... | [
"cs.CC",
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] | null | [
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{
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"name": "Pushkar [\"S.\"] Joglekar",
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8301134 | 0804.4666 | 2008-04-29 | Combining geometry and combinatorics: A unified approach to sparse signal recovery | There are two main algorithmic approaches to sparse signal recovery: geometric and combinatorial. The geometric approach starts with a geometric constraint on the measurement matrix and then uses linear programming to decode information about the signal from its measurements. The combinatorial approach constructs the m... | [
"cs.DM",
"cs.DS",
"cs.NA"
] | null | [
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] | null | null | null |
5809478 | 0804.4707 | 2008-04-29 | Hamiltonicity thresholds in Achlioptas processes | In this paper we analyze the appearance of a Hamilton cycle in the following random process. The process starts with an empty graph on n labeled vertices. At each round we are presented with K=K(n) edges, chosen uniformly at random from the missing ones, and are asked to add one of them to the current graph. The goal i... | [
"math.CO",
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] | null | [
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] | null | null | null |
18825191 | 0804.4600 | 2008-04-29 | Study of the branching instability using a phase field model of inplane crack propagation | In this study, the phase field model of crack propagation is used to study the dynamic branching instability in the case of inplane loading in two dimensions. Simulation results are in good agreement with theoretical predictions and experimental findings. Namely, the critical speed at which the instability starts is ab... | [
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15439300 | 0804.4568 | 2008-04-29 | The Vimos VLT Deep Survey: Global properties of 20000 galaxies in the I_AB<=22.5 WIDE survey | The VVDS-Wide survey has been designed with the general aim of tracing the large-scale distribution of galaxies at z~1 on comoving scales reaching ~100Mpc/h, while providing a good control of cosmic variance over areas as large as a few square degrees. This is achieved by measuring redshifts with VIMOS at the ESO VLT t... | [
"astro-ph"
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{
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... | [
{
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{
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"name": "Olivier [\"Le\"] Fèvre",
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6860884 | 0804.4585 | 2008-04-29 | A recoiling supermassive black hole in the quasar SDSSJ092712.65+294344.0? | We present SDSSJ092712.65+294344.0 as the best candidate to date for a recoiling supermassive black hole (SMBH). SDSSJ0927+2943 shows an exceptional optical emission-line spectrum with two sets of emission lines: one set of very narrow emission lines, and a second set of broad Balmer and broad high-ionization forbidden... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1019699 | 0804.4809 | 2008-04-30 | Fast Computation of Moore-Penrose Inverse Matrices | Many neural learning algorithms require to solve large least square systems in order to obtain synaptic weights. Moore-Penrose inverse matrices allow for solving such systems, even with rank deficiency, and they provide minimum-norm vectors of synaptic weights, which contribute to the regularization of the input-output... | [
"cs.NE"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
108505667 | 0804.4855 | 2008-04-30 | Impact of the electrical connection of N Spin Transfer Oscillators on their synchronization : an analytical study | Spin Transfer Nano-Oscillators (STNOs) are good candidates for applications to telecommunications, but their output power is very low, under the nW. A possible solution to overcome this problem is to synchronize an assembly of STNOs. For manufacturing purposes, large number of STNOs will have to be electrically connect... | [
"cond-mat.mtrl-sci"
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{
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{
"author_id": "j grollier_1",
"name": "Julie Grollier",
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"num_papers": null... | null |
5365621 | 0804.4866 | 2008-04-30 | Sum-Capacity of Ergodic Fading Interference and Compound Multiaccess Channels | The problem of resource allocation is studied for two-sender two-receiver fading Gaussian interference channels (IFCs) and compound multiaccess channels (C-MACs). The senders in an IFC communicate with their own receiver (unicast) while those in a C-MAC communicate with both receivers (multicast). The instantaneous fad... | [
"cs.IT",
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{
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{
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"name": "Elza Erkip",
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877818 | 0804.4865 | 2008-04-30 | Characterizing Video Responses in Social Networks | Video sharing sites, such as YouTube, use video responses to enhance the social interactions among their users. The video response feature allows users to interact and converse through video, by creating a video sequence that begins with an opening video and followed by video responses from other users. Our characteriz... | [
"cs.MM",
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] | null | [
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{
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{
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{
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"name": "Fernando Duarte",
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11367132 | 0804.4854 | 2008-04-30 | Highly-symmetric travelling waves in pipe flow | The recent theoretical discovery of finite-amplitude travelling waves in pipe flow has re-ignited interest in the transitional phenomena that Osborne Reynolds studied 125 years ago. Despite all being unstable, these waves are providing fresh insight into the flow dynamics. Here we describe two new classes of highly-sym... | [
"physics.flu-dyn"
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{
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{
"corpus_id": "46594113",
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{
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{
"author_id": "y duguet_1",
"name": "Yohann Duguet",
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12725071 | 0804.4884 | 2008-04-30 | Minor-Embedding in Adiabatic Quantum Computation: I. The Parameter Setting Problem | We show that the NP-hard quadratic unconstrained binary optimization (QUBO) problem on a graph $G$ can be solved using an adiabatic quantum computer that implements an Ising spin-1/2 Hamiltonian, by reduction through minor-embedding of $G$ in the quantum hardware graph $U$. There are two components to this reduction: e... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
833774 | 0805.0053 | 2008-04-30 | Particle Filtering for Large Dimensional State Spaces with Multimodal Observation Likelihoods | We study efficient importance sampling techniques for particle filtering (PF) when either (a) the observation likelihood (OL) is frequently multimodal or heavy-tailed, or (b) the state space dimension is large or both. When the OL is multimodal, but the state transition pdf (STP) is narrow enough, the optimal importanc... | [
"cs.IT",
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"math.ST",
"stat.ME",
"stat.TH"
] | null | [
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{
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}
] | null |
13615683 | 0804.4859 | 2008-04-30 | The communication complexity of non-signaling distributions | We study a model of communication complexity that encompasses many well-studied problems, including classical and quantum communication complexity, the complexity of simulating distributions arising from bipartite measurements of shared quantum states, and XOR games. In this model, Alice gets an input x, Bob gets an in... | [
"quant-ph",
"cs.CC"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17381644 | 0804.4726 | 2008-04-30 | Ising models on locally tree-like graphs | We consider ferromagnetic Ising models on graphs that converge locally to trees. Examples include random regular graphs with bounded degree and uniformly random graphs with bounded average degree. We prove that the "cavity" prediction for the limiting free energy per spin is correct for any positive temperature and ext... | [
"math.PR",
"cond-mat.stat-mech",
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
8227397 | 0805.0034 | 2008-04-30 | Diversity Order Gain with Noisy Feedback in Multiple Access Channels | In this paper, we study the effect of feedback channel noise on the diversity-multiplexing tradeoff in multiuser MIMO systems using quantized feedback, where each user has m transmit antennas and the base-station receiver has n antennas. We derive an achievable tradeoff and use it to show that in SNR-symmetric channels... | [
"cs.IT",
"math.IT"
] | null | [
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"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "v aggarwal_5",
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},
{
"author_id": "a sabharwal_1",
"name": "Ashutosh Sabharwal",
"publication_history": null,
"h_index": null,
"num_papers... | null |
3650643 | 0805.0012 | 2008-04-30 | Joint Physical Layer Coding and Network Coding for Bi-Directional Relaying | We consider the problem of two transmitters wishing to exchange information through a relay in the middle. The channels between the transmitters and the relay are assumed to be synchronized, average power constrained additive white Gaussian noise channels with a real input with signal-to-noise ratio (SNR) of snr. An up... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16650963 | 0804.4791 | 2008-04-30 | Detectability of gamma-ray emission from classical novae with Swift/BAT | Classical novae are expected to emit gamma rays during their explosions. The most important contribution to the early gamma-ray emission comes from the annihilation with electrons of the positrons generated by the decay of 13N and 18F. The photons are expected to be down-scattered to a few tens of keV, and the emission... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10220831 | 0805.0080 | 2008-05-01 | Acoustic cloaking theory | An acoustic cloak envelopes an object so that sound incident from all directions passes through and around the cloak as though the object were not present. A theory of acoustic cloaking is developed using the transformation or change-of-variables method for mapping the cloaked region to a point with vanishing scatterin... | [
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16733147 | 0805.0112 | 2008-05-01 | Diffusive Transport in Periodic Potentials: Underdamped Dynamics | In this paper we present a systematic and rigorous method for calculating the diffusion tensor for a Brownian particle moving in a periodic potential which is valid in arbitrary dimensions and for all values of the dissipation. We use this method to obtain an explicit formula for the diffusion coefficient in one dimens... | [
"cond-mat.stat-mech",
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "2350477",
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}
] | [
{
"author_id": "g pavliotis_1",
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},
{
"author_id": "a vogiannou_0",
"name": "Athanasios Vogiannou",
"publication_history": null,
"h_index": null,... | null |
10360299 | 0805.0108 | 2008-05-01 | The Gaussian Wiretap Channel with a Helping Interferer | Due to the broadcast nature of the wireless medium, wireless communication is susceptible to adversarial eavesdropping. This paper describes how eavesdropping can potentially be defeated by exploiting the superposition nature of the wireless medium. A Gaussian wire-tap channel with a helping interferer (WTC-HI) is cons... | [
"cs.IT",
"cs.CR",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
9043885 | 0805.0065 | 2008-05-01 | Communication Requirements for Generating Correlated Random Variables | Two familiar notions of correlation are rediscovered as extreme operating points for simulating a discrete memoryless channel, in which a channel output is generated based only on a description of the channel input. Wyner's "common information" coincides with the minimum description rate needed. However, when common ra... | [
"cs.IT",
"cs.GT",
"math.IT",
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119274963 | 0805.0101 | 2008-05-01 | Multiresolution analysis of active region magnetic structure and its correlation with the Mt. Wilson classification and flaring activity | Two different multi-resolution analyses are used to decompose the structure of active region magnetic flux into concentrations of different size scales. Lines separating these opposite polarity regions of flux at each size scale are found. These lines are used as a mask on a map of the magnetic field gradient to sample... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j ireland_1",
"name": "Jack Ireland",
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{
"author_id": "c young_2",
"name": "C. [\"Alex\"] Young",
"publication_history": null,
"h_index": null,
"num_papers": null... | null |
14111094 | 0805.0149 | 2008-05-01 | On Recovery of Sparse Signals via $\ell_1$ Minimization | This article considers constrained $\ell_1$ minimization methods for the recovery of high dimensional sparse signals in three settings: noiseless, bounded error and Gaussian noise. A unified and elementary treatment is given in these noise settings for two $\ell_1$ minimization methods: the Dantzig selector and $\ell_1... | [
"cs.LG"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8705598 | 0805.0162 | 2008-05-01 | Morphing of Triangular Meshes in Shape Space | We present a novel approach to morph between two isometric poses of the same non-rigid object given as triangular meshes. We model the morphs as linear interpolations in a suitable shape space $\mathcal{S}$. For triangulated 3D polygons, we prove that interpolating linearly in this shape space corresponds to the most i... | [
"cs.CG",
"cs.GR"
] | null | [
"target.author.publication_history"
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{
"author_id": "s wuhrer_1",
"name": "Stefanie Wuhrer",
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},
{
"author_id": "p bose_3",
"name": "Prosenjit Bose",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
14542274 | 0805.0092 | 2008-05-01 | Cellular Systems with Full-Duplex Compress-and-Forward Relaying and Cooperative Base Stations | In this paper the advantages provided by multicell processing of signals transmitted by mobile terminals (MTs) which are received via dedicated relay terminals (RTs) are studied. It is assumed that each RT is capable of full-duplex operation and receives the transmission of adjacent relay terminals. Focusing on intra-c... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "1037",
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}
] | [
{
"author_id": "o somekh_1",
"name": "Oren Somekh",
"publication_history": null,
"h_index": null,
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},
{
"author_id": "o simeone_1",
"name": "Osvaldo Simeone",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
18709254 | 0805.0056 | 2008-05-01 | Quantile tomography: using quantiles with multivariate data | The use of quantiles to obtain insights about multivariate data is addressed. It is argued that incisive insights can be obtained by considering directional quantiles, the quantiles of projections. Directional quantile envelopes are proposed as a way to condense this kind of information; it is demonstrated that they ar... | [
"stat.ME"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
57393795 | 0805.0231 | 2008-05-02 | CMA-ES with Two-Point Step-Size Adaptation | We combine a refined version of two-point step-size adaptation with the covariance matrix adaptation evolution strategy (CMA-ES). Additionally, we suggest polished formulae for the learning rate of the covariance matrix and the recombination weights. In contrast to cumulative step-size adaptation or to the 1/5-th succe... | [
"cs.NE"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
262509683 | 0805.0292 | 2008-05-02 | Notes on Convex Sets, Polytopes, Polyhedra, Combinatorial Topology, Voronoi Diagrams and Delaunay Triangulations | Some basic mathematical tools such as convex sets, polytopes and combinatorial topology, are used quite heavily in applied fields such as geometric modeling, meshing, computer vision, medical imaging and robotics. This report may be viewed as a tutorial and a set of notes on convex sets, polytopes, polyhedra, combinato... | [
"math.GM",
"math.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119229915 | 0805.0287 | 2008-05-02 | Low-lying quasinormal modes of topological AdS black holes and hydrodynamics | We analytically calculate the low-lying gravitational quasinormal modes of a topological AdS black hole of arbitrary dimension. We show that they are in agreement with corresponding results from the hydrodynamics of the gauge theory plasma on the boundary, as required by the AdS/CFT correspondence. For some of these mo... | [
"hep-th"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "119540409",
"num_citations": null
},
{
"corpus_id": "8839961",
"num_citations": null
},
{
"corpus_id": "5603602",
"num_citations": null
},
{
"corpus_id": "3205136",
"num_citations": null
},
{
"corpus_id": "14190458",
"num_citations": null
}
] | [
{
"author_id": "j alsup_1",
"name": "James Alsup",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "g siopsis_1",
"name": "George Siopsis",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
118354061 | 0805.0139 | 2008-05-02 | Weak Gravitational Lensing and its Cosmological Applications | Weak gravitational lensing is a unique probe of the dark side of the universe: it provides a direct way to map the distribution of dark matter around galaxies, clusters of galaxies and on cosmological scales. Furthermore, the measurement of lensing induced distortions of the shapes of distant galaxies is a powerful pro... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14011265 | 0805.0253 | 2008-05-02 | Probes of Lorentz Violation in Neutrino Propagation | It has been suggested that the interactions of energetic particles with the foamy structure of space-time thought to be generated by quantum-gravitational (QG) effects might violate Lorentz invariance, so that they do not propagate at a universal speed of light. We consider the limits that may be set on a linear or qua... | [
"hep-ph",
"gr-qc",
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j ellis_3",
"name": "John Ellis",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "n harries_1",
"name": "Nicholas Harries",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
8324872 | 0805.0167 | 2008-05-02 | Toward First-Principle Simulations of Galaxy Formation: II. Shock-Induced Starburst at a Collision Interface During the First Encounter of Interacting Galaxies | We investigated the evolution of interacting disk galaxies using high-resolution $N$-body/SPH simulations, taking into account the multiphase nature of the interstellar medium (ISM). In our high-resolution simulations, a large-scale starburst occurred naturally at the collision interface between two gas disks at the fi... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14191697 | 0805.0185 | 2008-05-02 | In situ formation of the massive stars around SgrA* | The formation of the massive young stars surrounding SgrA* is still an open question. In this paper, we simulate the infall of an isothermal, turbulent molecular cloud towards the Galactic Centre (GC). As it spirals towards the GC, the molecular cloud forms a small and dense disc around SgrA*. Efficient star formation ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
12336695 | 0805.0300 | 2008-05-02 | Agents for Traffic Simulation | Vehicular traffic is a classical example of a multi-agent system in which autonomous drivers operate in a shared environment. The article provides an overview of the state-of-the-art in microscopic traffic modeling and the implications for simulation techniques. We focus on the short-time dynamics of car-following mode... | [
"physics.soc-ph"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
13896129 | 0805.0331 | 2008-05-03 | Hot DQ White Dwarfs: Something Different | We present a detailed analysis of all the known Hot DQ white dwarfs in the Fourth Data Release of the Sloan Digital Sky Survey (SDSS) recently found to have carbon dominated atmospheres. Our spectroscopic and photometric analysis reveals that these objects all have effective temperatures between ~18,000 and 24,000 K. T... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13295497 | 0805.0375 | 2008-05-03 | Wireless Secrecy in Cellular Systems with Infrastructure--Aided Cooperation | In cellular systems, confidentiality of uplink transmission with respect to eavesdropping terminals can be ensured by creating intentional inteference via scheduling of concurrent downlink transmissions. In this paper, this basic idea is explored from an information-theoretic standpoint by focusing on a two-cell scenar... | [
"cs.IT",
"cs.CR",
"math.IT"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "3266214",
"num_citations": null
}
] | [
{
"author_id": "p popovski_1",
"name": "Petar Popovski",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "o simeone_1",
"name": "Osvaldo Simeone",
"publication_history": null,
"h_index": null,
"num_papers": nul... | null |
14435115 | 0805.0400 | 2008-05-04 | The Player's Effect | In a function that takes its inputs from various players, the effect of a player measures the variation he can cause in the expectation of that function. In this paper we prove a tight upper bound on the number of players with large effect, a bound that holds even when the players' inputs are only known to be pairwise ... | [
"math.PR",
"math.CO"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "r gradwohl_2",
"name": "R. Gradwohl",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "o reingold_1",
"name": "Omer Reingold",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
7764757 | 0805.0465 | 2008-05-05 | Consistency of restricted maximum likelihood estimators of principal components | In this paper we consider two closely related problems : estimation of eigenvalues and eigenfunctions of the covariance kernel of functional data based on (possibly) irregular measurements, and the problem of estimating the eigenvalues and eigenvectors of the covariance matrix for high-dimensional Gaussian vectors. In ... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1856242 | 0805.0516 | 2008-05-05 | The Gaussian MAC with Conferencing Encoders | We derive the capacity region of the Gaussian version of Willems's two-user MAC with conferencing encoders. This setting differs from the classical MAC in that, prior to each transmission block, the two transmitters can communicate with each other over noise-free bit-pipes of given capacities. The derivation requires a... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "s bross_0",
"name": "Shraga [\"I.\"] Bross",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "a lapidoth_1",
"name": "Amos Lapidoth",
"publication_history": null,
"h_index": null,
"num_papers": ... | null |
18555315 | 0805.0554 | 2008-05-05 | A grid of MARCS model atmospheres for late-type stars I. Methods and general properties | We have constructed a grid of about 10,000 spherically symmetric and plane-parallel models with the MARCS program, and make it available for public use. Parameter ranges are: Teff=2500 to 8000 K, log g =log(GM/R2)= -1 to 5 (cgs) with various masses and radii, [Me/H]=-5 to +1, with [Alpha/Fe] = 0.0 and 0.4 and different... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7587186 | 0805.0512 | 2008-05-05 | A comparative study of social network models: network evolution models and nodal attribute models | This paper reviews, classifies and compares recent models for social networks that have mainly been published within the physics-oriented complex networks literature. The models fall into two categories: those in which the addition of new links is dependent on the (typically local) network structure (network evolution ... | [
"physics.soc-ph"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "7478940",
"num_citations": null
},
{
"corpus_id": "11920674",
"num_citations": null
}
] | [
{
"author_id": "r toivonen_0",
"name": "Riitta Toivonen",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "l kovanen_0",
"name": "Lauri Kovanen",
"publication_history": null,
"h_index": null,
"num_papers": null... | null |
9315983 | 0805.0510 | 2008-05-05 | Iterative Hard Thresholding for Compressed Sensing | Compressed sensing is a technique to sample compressible signals below the Nyquist rate, whilst still allowing near optimal reconstruction of the signal. In this paper we present a theoretical analysis of the iterative hard thresholding algorithm when applied to the compressed sensing recovery problem. We show that the... | [
"cs.IT",
"cs.NA",
"math.IT",
"math.NA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
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