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 ⌀ |
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6446820 | 0908.0898 | 2009-08-06 | On Secrecy Capacity Scaling in Wireless Networks | This work studies the achievable secure rate per source-destination pair in wireless networks. First, a path loss model is considered, where the legitimate and eavesdropper nodes are assumed to be placed according to Poisson point processes with intensities $\lambda$ and $\lambda_e$, respectively. It is shown that, as ... | [
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"name": "Can [\"Emre\"] Koksal",
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17169920 | 0908.0865 | 2009-08-06 | Optimal scalings for local Metropolis--Hastings chains on nonproduct targets in high dimensions | We investigate local MCMC algorithms, namely the random-walk Metropolis and the Langevin algorithms, and identify the optimal choice of the local step-size as a function of the dimension $n$ of the state space, asymptotically as $n\to\infty$. We consider target distributions defined as a change of measure from a produc... | [
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17921430 | 0908.0976 | 2009-08-07 | Distinct scalings for mean first-passage time of random walks on scale-free networks with the same degree sequence | In general, the power-law degree distribution has profound influence on various dynamical processes defined on scale-free networks. In this paper, we will show that power-law degree distribution alone does not suffice to characterize the behavior of trapping problem on scale-free networks, which is an integral major th... | [
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"name": "Wenlei Xie",
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14193110 | 0908.1062 | 2009-08-07 | Community detection algorithms: a comparative analysis | Uncovering the community structure exhibited by real networks is a crucial step towards an understanding of complex systems that goes beyond the local organization of their constituents. Many algorithms have been proposed so far, but none of them has been subjected to strict tests to evaluate their performance. Most of... | [
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15050806 | 0908.1023 | 2009-08-07 | Correlations between Polarisation States of W Particles in the Reaction e-e+ -> W-W+ at LEP2 Energies 189-209 GeV | In a study of the reaction e-e+ -> W-W+ with the DELPHI detector, the probabilities of the two W particles occurring in the joint polarisation states transverse-transverse (TT), longitudinal-transverse plus transverse-longitudinal (LT) and longitudinal-longitudinal (LL) have been determined using the final states WW ->... | [
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"name": "Pedro Abreu",
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119293381 | 0908.1063 | 2009-08-07 | Bowen-York trumpet data and black-hole simulations | The most popular method to construct initial data for black-hole-binary simulations is the puncture method, in which compactified wormholes are given linear and angular momentum via the Bowen-York extrinsic curvature. When these data are evolved, they quickly approach a ``trumpet'' topology, suggesting that it would be... | [
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6286766 | 0908.0945 | 2009-08-07 | Results of the GREAT08 Challenge: An image analysis competition for cosmological lensing | We present the results of the GREAT08 Challenge, a blind analysis challenge to infer weak gravitational lensing shear distortions from images. The primary goal was to stimulate new ideas by presenting the problem to researchers outside the shear measurement community. Six GREAT08 Team methods were presented at the laun... | [
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14218199 | 0908.0963 | 2009-08-07 | Estimators for CMB Statistical Anisotropy | We use quadratic maximum-likelihood (QML) estimators to constrain models with Gaussian but statistically anisotropic Cosmic Microwave Background (CMB) fluctuations, using CMB maps with realistic sky-coverage and instrumental noise. This approach is optimal when the anisotropy is small, or when checking for consistency ... | [
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908710 | 0908.1071 | 2009-08-07 | Optimal Joint Target Detection and Parameter Estimation By MIMO Radar | We consider multiple-input multiple-output (MIMO) radar systems with widely-spaced antennas. Such antenna configuration facilitates capturing the inherent diversity gain due to independent signal dispersion by the target scatterers. We consider a new MIMO radar framework for detecting a target that lies in an unknown l... | [
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4769489 | 0908.1077 | 2009-08-07 | Beamforming and Rate Allocation in MISO Cognitive Radio Networks | We consider decentralized multi-antenna cognitive radio networks where secondary (cognitive) users are granted simultaneous spectrum access along with license-holding (primary) users. We treat the problem of distributed beamforming and rate allocation for the secondary users such that the minimum weighted secondary rat... | [
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121844054 | 0908.1089 | 2009-08-07 | The components of empirical multifractality in financial returns | We perform a systematic investigation on the components of the empirical multifractality of financial returns using the daily data of Dow Jones Industrial Average from 26 May 1896 to 27 April 2007 as an example. The temporal structure and fat-tailed distribution of the returns are considered as possible influence facto... | [
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26657293 | 0908.1125 | 2009-08-07 | Entropy production as correlation between system and reservoir | We derive an exact (classical and quantum) expression for the entropy production of a finite system placed in contact with one or several finite reservoirs each of which is initially described by a canonical equilibrium distribution. Whereas the total entropy of system plus reservoirs is conserved, we show that the sys... | [
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118681451 | 0908.1022 | 2009-08-07 | Interfacial instability in turbulent flow over a liquid film in a channel | We revisit here the stability of a deformable interface that separates a fully-developed turbulent gas flow from a thin layer of laminar liquid. Unlike previous work, the turbulent base state velocity profile proposed here requires only a specification of a flowrate or pressure drop, and no a posteriori choice of param... | [
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"author_id": "p spelt_1",
"name": "Peter [\"D.\",\"M.\"] Spelt",
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13623438 | 0908.1171 | 2009-08-08 | Fermi LAT Observation of Diffuse Gamma-Rays Produced Through Interactions between Local Interstellar Matter and High Energy Cosmic Rays | Observations by the Large Area Telescope (LAT) on the \textit{Fermi} mission of diffuse $\gamma$-rays in a mid-latitude region in the third quadrant (Galactic longitude $l$ from $200\arcdeg$ to $260\arcdeg$ and latitude $| b |$ from $22\arcdeg$ to $60\arcdeg$) are reported. The region contains no known large molecular ... | [
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"author_id": "m ackermann_1",
"name": "Markus Ackermann",
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15514689 | 0908.1208 | 2009-08-08 | Real Interference Alignment with Real Numbers | A novel coding scheme applicable in networks with single antenna nodes is proposed. This scheme converts a single antenna system to an equivalent Multiple Input Multiple Output (MIMO) system with fractional dimensions. Interference can be aligned along these dimensions and higher Multiplexing gains can be achieved. Too... | [
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3176772 | 0908.1258 | 2009-08-09 | Discrete Temporal Models of Social Networks | We propose a family of statistical models for social network evolution over time, which represents an extension of Exponential Random Graph Models (ERGMs). Many of the methods for ERGMs are readily adapted for these models, including maximum likelihood estimation algorithms. We discuss models of this type and their pro... | [
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] | null | [
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9189412 | 0908.1241 | 2009-08-09 | Non-intrusive and structure preserving multiscale integration of stiff ODEs, SDEs and Hamiltonian systems with hidden slow dynamics via flow averaging | We introduce a new class of integrators for stiff ODEs as well as SDEs. These integrators are (i) {\it Multiscale}: they are based on flow averaging and so do not fully resolve the fast variables and have a computational cost determined by slow variables (ii) {\it Versatile}: the method is based on averaging the flows ... | [
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16693523 | 0908.1286 | 2009-08-10 | Underground Neutrino Detectors for Particle and Astroparticle Science: the Giant Liquid Argon Charge Imaging ExpeRiment (GLACIER) | The current focus of the CERN program is the Large Hadron Collider (LHC), however, CERN is engaged in long baseline neutrino physics with the CNGS project and supports T2K as recognized CERN RE13, and for good reasons: a number of observed phenomena in high-energy physics and cosmology lack their resolution within the ... | [
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] | null |
118350038 | 0908.1265 | 2009-08-10 | Monsters, black holes and the statistical mechanics of gravity | We review the construction of monsters in classical general relativity. Monsters have finite ADM mass and surface area, but potentially unbounded entropy. From the curved space perspective they are objects with large proper volume that can be glued on to an asymptotically flat space. At no point is the curvature or ene... | [
"gr-qc",
"hep-th"
] | null | [
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2175820 | 0908.1407 | 2009-08-10 | Generalized Analysis of a Distributed Energy Efficient Algorithm for Change Detection | An energy efficient distributed Change Detection scheme based on Page's CUSUM algorithm was presented in \cite{icassp}. In this paper we consider a nonparametric version of this algorithm. In the algorithm in \cite{icassp}, each sensor runs CUSUM and transmits only when the CUSUM is above some threshold. The transmissi... | [
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"math.IT",
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"author_id": "v sharma_10",
"name": "Vinod Sharma",
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118573472 | 0908.1312 | 2009-08-10 | Local renormalization method for random systems | In this paper, we introduce a real-space renormalization transformation for random spin systems on 2D lattices. The general method is formulated for random systems and results from merging two well known real space renormalization techniques, namely the strong disorder renormalization technique (SDRT) and the contracto... | [
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6785529 | 0908.1178 | 2009-08-10 | Dynamic Crack Tip Equation of Motion: High-speed Oscillatory Instability | A dynamic crack tip equation of motion is proposed based on the autonomy of the near-tip nonlinear zone of scale $\ell_{nl}$, symmetry principles, causality and scaling arguments. Causality implies that the asymptotic linear-elastic fields at time $t$ are determined by the crack path at a {\bf retarded time} $t-\tau_d$... | [
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] | null |
14980051 | 0908.1379 | 2009-08-10 | Breaking the Multicommodity Flow Barrier for sqrt(log(n))-Approximations to Sparsest Cut | This paper ties the line of work on algorithms that find an O(sqrt(log(n)))-approximation to the sparsest cut together with the line of work on algorithms that run in sub-quadratic time by using only single-commodity flows. We present an algorithm that simultaneously achieves both goals, finding an O(sqrt(log(n)/eps))-... | [
"cs.DS"
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17161519 | 0908.1397 | 2009-08-10 | Matrix P-norms are NP-hard to approximate if p \neq 1,2,\infty | We show that for any rational p \in [1,\infty) except p = 1, 2, unless P = NP, there is no polynomial-time algorithm for approximating the matrix p-norm to arbitrary relative precision. We also show that for any rational p\in [1,\infty) including p = 1, 2, unless P = NP, there is no polynomial-time algorithm approximat... | [
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"author_id": "a olshevsky_1",
"name": "Alexander Olshevsky",
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... | null |
323838 | 0908.1448 | 2009-08-10 | Faster generation of random spanning trees | In this paper, we set forth a new algorithm for generating approximately uniformly random spanning trees in undirected graphs. We show how to sample from a distribution that is within a multiplicative $(1+\delta)$ of uniform in expected time $\TO(m\sqrt{n}\log 1/\delta)$. This improves the sparse graph case of the best... | [
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14411234 | 0908.1386 | 2009-08-10 | Spectral synthesis including massive binaries | We have constructed a new code to produce synthetic spectra of stellar populations that includes massive binaries. We have tested this code against the broadband colours of unresolved young massive stellar clusters in nearby galaxies, the equivalent widths of the Red and Blue Wolf-Rayet bumps in star-forming SDSS galax... | [
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9191781 | 0908.1416 | 2009-08-10 | A Characterization of Hyperbolic Affine Iterated Function Systems | The two main theorems of this paper provide a characterization of hyperbolic affine iterated function systems defined on Rm. Atsushi Kameyama (Distances on Topological Self-Similar Sets, Proceedings of Symposia in Pure Mathematics, Volume 72.1, 2004) asked the following fundamental question: given a topological self-si... | [
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"name": "Michael [\"F.\"] Barnsley",
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27533444 | 0908.1418 | 2009-08-10 | Hexagonal Warping Effects in the Surface States of Topological Insulator Bi$_2$Te$_3$ | A single two-dimensinoal Dirac fermion state has been recently observed on the surface of topological insulator Bi$_2$Te$_3$ by angle-resolved photoemission spectroscopy (ARPES). We study the surface band structure using $k \cdot p$ theory and find an unconventional hexagonal warping term, which is the counterpart of c... | [
"cond-mat.mtrl-sci"
] | null | [
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10775367 | 0908.1550 | 2009-08-11 | Neutralino Reconstruction at the LHC from Decay-frame Kinematics | Decay-frame Kinematics (DK) has previously been introduced as a technique to reconstruct neutralino masses from their three-body decays to leptons. This work is an extension to the case of two-body decays through on-shell sleptons, with Monte Carlo simulation of LHC collisions demonstrating reconstruction of neutralino... | [
"hep-ph"
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"author_id": "z kang_3",
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"name": "Nick Kersting",
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16328769 | 0908.1460 | 2009-08-11 | FAST: A Fully Asynchronous Split Time-Integrator for Self-Gravitating Fluid | We describe a new algorithm for the integration of self-gravitating fluid systems using SPH method. We split the Hamiltonian of a self-gravitating fluid system to the gravitational potential and others (kinetic and internal energies) and use different time-steps for their integrations. The time integration is done in t... | [
"astro-ph.IM",
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] | null | [
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9825846 | 0908.1381 | 2009-08-11 | Spectroscopic Confirmation of the Pisces Overdensity | We present spectroscopic confirmation of the "Pisces Overdensity", also known as "Structure J", a photometric overdensity of RR Lyrae stars discovered by the Sloan Digital Sky Survey (SDSS) at an estimated photometric distance of ~85kpc. We measure radial velocities for 8 RR Lyrae stars within Pisces. We find that 5 of... | [
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16802346 | 0908.1439 | 2009-08-11 | On Quasismooth Weighted Complete Intersections | We prove two conjectures on weighted complete intersections and give the complete classification of threefold weighted complete intersections in weighted projective space that are canonically or anticanonically embedded. | [
"math.AG"
] | null | [
"target.author.publication_history.key_reference"
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113171 | 0908.1532 | 2009-08-11 | The Sloan Nearby Cluster Weak Lensing Survey | We describe and present initial results of a weak lensing survey of nearby ($\rm{z}\lesssim0.1$) galaxy clusters in the Sloan Digital Sky Survey (SDSS). In this first study, galaxy clusters are selected from the SDSS spectroscopic galaxy cluster catalogs of \citet{miller05} and \citet{berlind06}. We report a total of s... | [
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35205469 | 0908.1583 | 2009-08-11 | Probabilistic theories with purification | We investigate general probabilistic theories in which every mixed state has a purification, unique up to reversible channels on the purifying system. We show that the purification principle is equivalent to the existence of a reversible realization of every physical process, namely that every physical process can be r... | [
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"name": "Giacomo [\"Mauro\"] D’Ariano",
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14414679 | 0908.1589 | 2009-08-11 | An inverse Gaussian plume approach for estimating atmospheric pollutant emissions from multiple point sources | A method is developed for estimating the emission rates of contaminants into the atmosphere from multiple point sources using measurements of particulate material deposited at ground level. The approach is based on a Gaussian plume type solution for the advection-diffusion equation with ground-level deposition and give... | [
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2425799 | 0908.1613 | 2009-08-11 | Linearly Coupled Communication Games | This paper discusses a special type of multi-user communication scenario, in which users' utilities are linearly impacted by their competitors' actions. First, we explicitly characterize the Nash equilibrium and Pareto boundary of the achievable utility region. Second, the price of anarchy incurred by the non-collabora... | [
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"name": "Mihaela [\"van\",\"der\"] Schaar",
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118677048 | 0908.1496 | 2009-08-11 | Closed sets of non-local correlations | We introduce a fundamental concept -- closed sets of correlations -- for studying non-local correlations. We argue that sets of correlations corresponding to information-theoretic principles, or more generally to consistent physical theories, must be closed under a natural set of operations. Hence, studying the closure... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13613140 | 0908.1655 | 2009-08-12 | AMI observations of Lynds Dark Nebulae: further evidence for anomalous cm-wave emission | Observations at 14.2 to 17.9 GHz made with the AMI Small Array towards fourteen Lynds Dark Nebulae with a resolution of 2' are reported. These sources are selected from the SCUBA observations of Visser et al. (2001) as small angular diameter clouds well matched to the synthesized beam of the AMI Small Array. Comparison... | [
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{
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7956527 | 0908.1667 | 2009-08-12 | On the Base Station Selection and Base Station Sharing in Self-Configuring Networks | We model the interaction of several radio devices aiming to obtain wireless connectivity by using a set of base stations (BS) as a non-cooperative game. Each radio device aims to maximize its own spectral efficiency (SE) in two different scenarios: First, we let each player to use a unique BS (BS selection) and second,... | [
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"name": "Elena [\"Veronica\"] Belmega",
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12658858 | 0908.1785 | 2009-08-12 | Bulk Viscosity and Cavitation in Boost-Invariant Hydrodynamic Expansion | We solve second order relativistic hydrodynamics equations for a boost-invariant 1+1-dimensional expanding fluid with an equation of state taken from lattice calculations of the thermodynamics of strongly coupled quark-gluon plasma. We investigate the dependence of the energy density as a function of proper time on the... | [
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... | [
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263739128 | 0908.1705 | 2009-08-12 | Refined stellar, orbital and planetary parameters of the eccentric HAT-P-2 planetary system | We present refined parameters for the extrasolar planetary system HAT-P-2 (also known as HD 147506), based on new radial velocity and photometric data. HAT-P-2b is a transiting extrasolar planet that exhibits an eccentric orbit. We present a detailed analysis of the planetary and stellar parameters, yielding consistent... | [
"astro-ph.EP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2299049 | 0908.1769 | 2009-08-12 | Approximating the Permanent with Belief Propagation | This work describes a method of approximating matrix permanents efficiently using belief propagation. We formulate a probability distribution whose partition function is exactly the permanent, then use Bethe free energy to approximate this partition function. After deriving some speedups to standard belief propagation,... | [
"cs.LG",
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"math.IT"
] | null | [
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] | null | null | null |
118501110 | 0908.1567 | 2009-08-12 | Minimal Matter at the Large Hadron Collider | We classify all possible new U(1) x SU(2) x SU(3) multiplets that can couple to pairs of SM particles. Assuming that production of such new particles is dominated by their gauge interactions we study their signals at LHC, finding the following five main classes: i) lepto-quark 2l 2q signals; ii) di-lepton 4l signals; i... | [
"hep-ph",
"hep-ex"
] | null | [
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{
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{
"author_id": "r franceschini_1",
"name": "Roberto Franceschini",
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... | null |
117534120 | 0908.1639 | 2009-08-12 | Interfacial instability of turbulent two-phase stratified flow: Multi-equation turbulent modelling with rapid distortion | We investigate the linear stability of a flat interface that separates a liquid layer from a fully-developed turbulent gas flow. In this context, linear-stability analysis involves the study of the dynamics of a small-amplitude wave on the interface, and we develop a model that describes wave-induced perturbation turbu... | [
"physics.flu-dyn"
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{
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"name": "Peter [\"D.\",\"M.\"] Spelt",
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... | null |
8517968 | 0908.1676 | 2009-08-12 | Improved Sparsity Thresholds Through Dictionary Splitting | Known sparsity thresholds for basis pursuit to deliver the maximally sparse solution of the compressed sensing recovery problem typically depend on the dictionary's coherence. While the coherence is easy to compute, it can lead to rather pessimistic thresholds as it captures only limited information about the dictionar... | [
"cs.IT",
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] | null | [
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{
"author_id": "g durisi_1",
"name": "Giuseppe Durisi",
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6042467 | 0908.1789 | 2009-08-12 | Maximum-Likelihood Sequence Detector for Dynamic Mode High Density Probe Storage | There is an increasing need for high density data storage devices driven by the increased demand of consumer electronics. In this work, we consider a data storage system that operates by encoding information as topographic profiles on a polymer medium. A cantilever probe with a sharp tip (few nm radius) is used to crea... | [
"cs.IT",
"math.IT"
] | null | [
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{
"author_id": "n kumar_25",
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{
"author_id": "p agarwal_3",
"name": "Pranav Agarwal",
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... | null |
118617066 | 0908.1618 | 2009-08-12 | The Host Galaxy of 3C 279 | We have obtained a deep i-band image of the blazar 3C 279 while the target was in a low optical state. Due to the faintness of the optical nucleus we have made the first detection of the host galaxy. The host galaxy has an apparent I-band magnitude of 18.4 +- 0.3 and an effective radius of (2.7 +- 1.1) arcsec. The lumi... | [
"astro-ph.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18102225 | 0908.1712 | 2009-08-12 | Nonparametric empirical Bayes and compound decision approaches to estimation of a high-dimensional vector of normal means | We consider the classical problem of estimating a vector $\bolds{\mu}=(\mu_1,...,\mu_n)$ based on independent observations $Y_i\sim N(\mu_i,1)$, $i=1,...,n$. Suppose $\mu_i$, $i=1,...,n$ are independent realizations from a completely unknown $G$. We suggest an easily computed estimator $\hat{\bolds{\mu}}$, such that th... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15205126 | 0908.1689 | 2009-08-12 | Pulsar science with the Five hundred metre Aperture Spherical Telescope | With a collecting area of 70 000 m^2, the Five hundred metre Aperture Spherical Telescope (FAST) will allow for great advances in pulsar astronomy. We have performed simulations to estimate the number of previously unknown pulsars FAST will find with its 19-beam or possibly 100-beam receivers for different survey strat... | [
"astro-ph.IM"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15095038 | 0908.1773 | 2009-08-12 | SN2003bg: a broad-lined Type IIb Supernova with Hydrogen | Models for the spectra and the light curve, in the photospheric as well as in the late nebular phase, are used to infer the properties of the very radio-bright, broad-lined type IIb Supernova 2003bg. Consistent fits to the light curve and the spectral evolution are obtained with an explosion that ejected ~ 4 M_sun of m... | [
"astro-ph.HE",
"astro-ph.SR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16690591 | 0908.1709 | 2009-08-12 | General maximum likelihood empirical Bayes estimation of normal means | We propose a general maximum likelihood empirical Bayes (GMLEB) method for the estimation of a mean vector based on observations with i.i.d. normal errors. We prove that under mild moment conditions on the unknown means, the average mean squared error (MSE) of the GMLEB is within an infinitesimal fraction of the minimu... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17040406 | 0908.1839 | 2009-08-13 | Lack of strong completeness for stochastic flows | It is well-known that a stochastic differential equation (SDE) on a Euclidean space driven by a Brownian motion with Lipschitz coefficients generates a stochastic flow of homeomorphisms. When the coefficients are only locally Lipschitz, then a maximal continuous flow still exists but explosion in finite time may occur.... | [
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14270599 | 0908.1861 | 2009-08-13 | On the entropy production of time series with unidirectional linearity | There are non-Gaussian time series that admit a causal linear autoregressive moving average (ARMA) model when regressing the future on the past, but not when regressing the past on the future. The reason is that, in the latter case, the regression residuals are only uncorrelated but not statistically independent of the... | [
"cond-mat.stat-mech",
"physics.data-an"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7605822 | 0908.1836 | 2009-08-13 | On the adaptive elastic-net with a diverging number of parameters | We consider the problem of model selection and estimation in situations where the number of parameters diverges with the sample size. When the dimension is high, an ideal method should have the oracle property [J. Amer. Statist. Assoc. 96 (2001) 1348--1360] and [Ann. Statist. 32 (2004) 928--961] which ensures the optim... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
752173 | 0908.1787 | 2009-08-13 | Quantum Picturalism | The quantum mechanical formalism doesn't support our intuition, nor does it elucidate the key concepts that govern the behaviour of the entities that are subject to the laws of quantum physics. The arrays of complex numbers are kin to the arrays of 0s and 1s of the early days of computer programming practice. In this r... | [
"quant-ph",
"math-ph",
"math.CT",
"math.MP",
"math.QA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
9511226 | 0908.1961 | 2009-08-13 | Non-Markovian Quantum Jumps in Excitonic Energy Transfer | We utilize the novel non-Markovian quantum jump (NMQJ) approach to stochastically simulate exciton dynamics derived from a time-convolutionless master equation. For relevant parameters and time scales, the time-dependent, oscillatory decoherence rates can have negative regions, a signature of non-Markovian behavior and... | [
"quant-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "p rebentrost_1",
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"author_id": "r chakraborty_4",
"name": "Rupak Chakraborty",
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14386942 | 0908.1877 | 2009-08-13 | Zooming in on local level statistics by supersymmetric extension of free probability | We consider unitary ensembles of Hermitian NxN matrices H with a confining potential NV where V is analytic and uniformly convex. From work by Zinn-Justin, Collins, and Guionnet and Maida it is known that the large-N limit of the characteristic function for a finite-rank Fourier variable K is determined by the Voicules... | [
"math-ph",
"math.MP"
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{
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{
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{
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{
"author_id": "m zirnbauer_0",
"name": "Martin [\"R.\"] Zirnbauer",
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"h_index": null,
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17764124 | 0908.1890 | 2009-08-13 | A Fourier transform method for nonparametric estimation of multivariate volatility | We provide a nonparametric method for the computation of instantaneous multivariate volatility for continuous semi-martingales, which is based on Fourier analysis. The co-volatility is reconstructed as a stochastic function of time by establishing a connection between the Fourier transform of the prices process and the... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
62774482 | 0908.1882 | 2009-08-13 | Asymptotics for posterior hazards | An important issue in survival analysis is the investigation and the modeling of hazard rates. Within a Bayesian nonparametric framework, a natural and popular approach is to model hazard rates as kernel mixtures with respect to a completely random measure. In this paper we provide a comprehensive analysis of the asymp... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14194423 | 0908.1871 | 2009-08-13 | Protoneutron star evolution and the neutrino driven wind in general relativistic neutrino radiation hydrodynamics simulations | Massive stars end their life in an explosion event with kinetic energies of the order 1 Bethe. Immediately after the explosion has been launched, a region of low density and high entropy forms behind the ejecta which is continuously subject to neutrino heating. The neutrinos emitted from the remnant at the center, the ... | [
"astro-ph.HE"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7236872 | 0908.1854 | 2009-08-13 | Kernel dimension reduction in regression | We present a new methodology for sufficient dimension reduction (SDR). Our methodology derives directly from the formulation of SDR in terms of the conditional independence of the covariate $X$ from the response $Y$, given the projection of $X$ on the central subspace [cf. J. Amer. Statist. Assoc. 86 (1991) 316--342 an... | [
"math.ST",
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] | null | [
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] | [
{
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{
"author_id": "f bach_1",
"name": "Francis [\"R.\"] Bach",
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"num_papers": ... | null |
11417248 | 0908.2007 | 2009-08-13 | Predictive Blacklisting as an Implicit Recommendation System | A widely used defense practice against malicious traffic on the Internet is through blacklists: lists of prolific attack sources are compiled and shared. The goal of blacklists is to predict and block future attack sources. Existing blacklisting techniques have focused on the most prolific attack sources and, more rece... | [
"cs.NI"
] | null | [
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] | [] | [
{
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{
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"name": "Anh Le",
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"num_citation... | null |
55975003 | 0908.1980 | 2009-08-13 | Simultaneous confidence bands for nonparametric regression with functional data | We consider nonparametric regression in the context of functional data, that is, when a random sample of functions is observed on a fine grid. We obtain a functional asymptotic normality result allowing to build simultaneous confidence bands (SCB) for various estimation and inference tasks. Two applications to a SCB pr... | [
"stat.ME",
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
11723228 | 0908.1960 | 2009-08-13 | A Fokker-Planck formalism for diffusion with finite increments and absorbing boundaries | Gaussian white noise is frequently used to model fluctuations in physical systems. In Fokker-Planck theory, this leads to a vanishing probability density near the absorbing boundary of threshold models. Here we derive the boundary condition for the stationary density of a first-order stochastic differential equation fo... | [
"q-bio.QM",
"q-bio.OT",
"q-bio.PE"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18122086 | 0908.1838 | 2009-08-13 | Change-point estimation under adaptive sampling | We consider the problem of locating a jump discontinuity (change-point) in a smooth parametric regression model with a bounded covariate. It is assumed that one can sample the covariate at different values and measure the corresponding responses. Budget constraints dictate that a total of $n$ such measurements can be o... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16035167 | 0908.1879 | 2009-08-13 | Multinetwork of international trade: A commodity-specific analysis | We study the topological properties of the multinetwork of commodity-specific trade relations among world countries over the 1992-2003 period, comparing them with those of the aggregate-trade network, known in the literature as the international-trade network (ITN). We show that link-weight distributions of commodity-s... | [
"q-fin.GN",
"cond-mat.stat-mech",
"physics.soc-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14046489 | 0908.1929 | 2009-08-13 | All speed scheme for the low mach number limit of the Isentropic Euler equation | An all speed scheme for the Isentropic Euler equation is presented in this paper. When the Mach number tends to zero, the compressible Euler equation converges to its incompressible counterpart, in which the density becomes a constant. Increasing approximation errors and severe stability constraints are the main diffic... | [
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
823833 | 0908.2005 | 2009-08-13 | Fault Identification via Non-parametric Belief Propagation | We consider the problem of identifying a pattern of faults from a set of noisy linear measurements. Unfortunately, maximum a posteriori probability estimation of the fault pattern is computationally intractable. To solve the fault identification problem, we propose a non-parametric belief propagation approach. We show ... | [
"cs.IT",
"math.IT"
] | null | [
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{
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{
"author_id": "d bickson_1",
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{
"author_id": "d baron_1",
"name": "Dror Baron",
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"num_papers": null,
"n... | null |
3054911 | 0908.2119 | 2009-08-14 | Compute-and-Forward: Harnessing Interference through Structured Codes | Interference is usually viewed as an obstacle to communication in wireless networks. This paper proposes a new strategy, compute-and-forward, that exploits interference to obtain significantly higher rates between users in a network. The key idea is that relays should decode linear functions of transmitted messages acc... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
1508063 | 0908.2061 | 2009-08-14 | Sequence-Length Requirement of Distance-Based Phylogeny Reconstruction: Breaking the Polynomial Barrier | We introduce a new distance-based phylogeny reconstruction technique which provably achieves, at sufficiently short branch lengths, a polylogarithmic sequence-length requirement -- improving significantly over previous polynomial bounds for distance-based methods. The technique is based on an averaging procedure that i... | [
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"cs.CE",
"cs.DS",
"math.ST",
"q-bio.PE",
"q-bio.QM",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
56199048 | 0908.2033 | 2009-08-14 | Galaxy Zoo: Reproducing Galaxy Morphologies Via Machine Learning | We present morphological classifications obtained using machine learning for objects in SDSS DR6 that have been classified by Galaxy Zoo into three classes, namely early types, spirals and point sources/artifacts. An artificial neural network is trained on a subset of objects classified by the human eye and we test whe... | [
"astro-ph.CO",
"astro-ph.GA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5757309 | 0908.2078 | 2009-08-14 | Engineering Stable Discrete-Time Quantum Dynamics via a Canonical QR Decomposition | We analyze the asymptotic behavior of discrete-time, Markovian quantum systems with respect to a subspace of interest. Global asymptotic stability of subspaces is relevant to quantum information processing, in particular for initializing the system in pure states or subspace codes. We provide a linear-algebraic charact... | [
"quant-ph"
] | null | [
"target.author.publication_history"
] | [
{
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{
"corpus_id": "11050321",
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{
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{
"author_id": "f ticozzi_1",
"name": "Francesco Ticozzi",
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"h_index": null,
"num_papers... | null |
14356971 | 0908.2053 | 2009-08-14 | Network exploration via the adaptive LASSO and SCAD penalties | Graphical models are frequently used to explore networks, such as genetic networks, among a set of variables. This is usually carried out via exploring the sparsity of the precision matrix of the variables under consideration. Penalized likelihood methods are often used in such explorations. Yet, positive-definiteness ... | [
"stat.AP"
] | null | [
"target.key_reference"
] | null | null | null |
408131 | 0908.2062 | 2009-08-14 | Bi-cross-validation of the SVD and the nonnegative matrix factorization | This article presents a form of bi-cross-validation (BCV) for choosing the rank in outer product models, especially the singular value decomposition (SVD) and the nonnegative matrix factorization (NMF). Instead of leaving out a set of rows of the data matrix, we leave out a set of rows and a set of columns, and then pr... | [
"stat.AP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17089689 | 0908.2041 | 2009-08-14 | Benchmark all-electron ab initio quantum Monte Carlo calculations for small molecules | We study the efficiency, precision and accuracy of all-electron variational and diffusion quantum Monte Carlo calculations using Slater basis sets. Starting from wave functions generated by Hartree-Fock and density functional theory, we describe an algorithm to enforce the electron-nucleus cusp condition by linear proj... | [
"cond-mat.mtrl-sci",
"physics.chem-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7442055 | 0908.2176 | 2009-08-15 | Heat transport in model jammed solids | We calculate numerically the normal modes of vibrations in 3D jammed packings of soft spheres as a function of the packing fraction and obtain the energy diffusivity, a spectral measure of transport that controls sound propagation and thermal conductivity. The crossover frequency between weak and strong phonon scatteri... | [
"cond-mat.dis-nn"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "v vitelli_1",
"name": "Vincenzo Vitelli",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "n xu_20",
"name": "Ning Xu",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num... | null |
6818917 | 0908.2153 | 2009-08-15 | Phased-MIMO Radar: A Tradeoff Between Phased-Array and MIMO Radars | We propose a new technique for multiple-input multiple-output (MIMO) radar with colocated antennas which we call phased-MIMO radar. The new technique enjoys the advantages of MIMO radar without sacrificing the main advantage of phased-array radar which is the coherent processing gain at the transmitting side. The essen... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119196739 | 0908.2175 | 2009-08-15 | $C_5^A$ axial form factor from bubble chamber experiments | A careful reanalysis of both Argonne National Laboratory and Brookhaven National Laboratory data for weak single pion production is done. We consider deuteron nuclear effects and normalization (flux) uncertainties in both experiments. We demonstrate that these two sets of data are in good agreement. For the dipole para... | [
"hep-ph",
"hep-ex",
"nucl-ex"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15478280 | 0908.2256 | 2009-08-16 | On k-Column Sparse Packing Programs | We consider the class of packing integer programs (PIPs) that are column sparse, i.e. there is a specified upper bound k on the number of constraints that each variable appears in. We give an (ek+o(k))-approximation algorithm for k-column sparse PIPs, improving on recent results of $k^2\cdot 2^k$ and $O(k^2)$. We also ... | [
"cs.DS"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "12259237",
"num_citations": null
}
] | [
{
"author_id": "n bansal_1",
"name": "Nikhil Bansal",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "n korula_1",
"name": "Nitish Korula",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
10435049 | 0908.2322 | 2009-08-17 | High-resolution UVES/VLT spectra of white dwarfs observed for the ESO SN Ia Progenitor Survey. III. DA white dwarfs | The ESO Supernova Ia Progenitor Survey (SPY) took high-resolution spectra of more than 1000 white dwarfs and pre-white dwarfs. About two thirds of the stars observed are hydrogen-dominated DA white dwarfs. Here we present a catalog and detailed spectroscopic analysis of the DA stars in the SPY. Atmospheric parameters e... | [
"astro-ph.SR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10917442 | 0908.2328 | 2009-08-17 | ARQ Secrecy: From Theory to Practice | Inspired by our earlier work on Automatic Repeat reQuest (ARQ) secrecy, we propose a simple, yet efficient, security overlay protocol to existing 802.11 networks. Our work targets networks secured by the Wired Equivalent Privacy (WEP) protocol because of its widespread use and vulnerability to a multitude of security t... | [
"cs.IT",
"cs.CR",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "y omar_2",
"name": "Yara Omar",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "m youssef_1",
"name": "Moustafa [\"A.\"] Youssef",
"publication_history": null,
"h_index": null,
"num_papers": nu... | null |
9973654 | 0908.2359 | 2009-08-17 | Online EM Algorithm for Hidden Markov Models | Online (also called "recursive" or "adaptive") estimation of fixed model parameters in hidden Markov models is a topic of much interest in times series modelling. In this work, we propose an online parameter estimation algorithm that combines two key ideas. The first one, which is deeply rooted in the Expectation-Maxim... | [
"stat.CO",
"stat.ML"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14405023 | 0908.2440 | 2009-08-17 | Reconfiguration of 3D Crystalline Robots Using O(log n) Parallel Moves | We consider the theoretical model of Crystalline robots, which have been introduced and prototyped by the robotics community. These robots consist of independently manipulable unit-square atoms that can extend/contract arms on each side and attach/detach from neighbors. These operations suffice to reconfigure between a... | [
"cs.CG",
"cs.RO"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "g aloupis_1",
"name": "Greg Aloupis",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "s collette_1",
"name": "Sébastien Collette",
"publication_history": null,
"h_index": null,
"num_papers": nu... | null |
5536748 | 0908.2451 | 2009-08-17 | The evolution of the high-energy cut-off in the X-Ray spectrum of the GX 339-4 across a hard-to-soft transition | We report on X-ray observations of the black-hole candidate GX 339-4 during its 2006/2007 outburst. The hardness-intensity diagram of all RXTE/PCA data combined shows a q-shaped track similar to that observed in previous outbursts. The evolution through the HID suggests that in the early phase of the outburst the sourc... | [
"astro-ph.HE",
"astro-ph.GA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8169782 | 0908.2282 | 2009-08-17 | Real Interference Alignment: Exploiting the Potential of Single Antenna Systems | In this paper, the available spatial Degrees-Of-Freedoms (DOF) in single antenna systems is exploited. A new coding scheme is proposed in which several data streams having fractional multiplexing gains are sent by transmitters and interfering streams are aligned at receivers. Viewed as a field over rational numbers, a ... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "1653882",
"num_citations": null
},
{
"corpus_id": "15514689",
"num_citations": null
}
] | [
{
"author_id": "a motahari_1",
"name": "Abolfazl [\"Seyed\"] Motahari",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "s gharan_1",
"name": "Shahab [\"Oveis\"] Gharan",
"publication_history": null,
"h_index": nul... | null |
2074608 | 0908.2494 | 2009-08-17 | A Channel Coding Perspective of Collaborative Filtering | We consider the problem of collaborative filtering from a channel coding perspective. We model the underlying rating matrix as a finite alphabet matrix with block constant structure. The observations are obtained from this underlying matrix through a discrete memoryless channel with a noisy part representing noisy user... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "109721",
"num_citations": null
}
] | [
{
"author_id": "s aditya_3",
"name": "S. [\"T.\"] Aditya",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "o dabeer_1",
"name": "Onkar Dabeer",
"publication_history": null,
"h_index": null,
"num_papers": null,... | null |
318470 | 0908.2409 | 2009-08-17 | A Spectral Graph Approach to Discovering Genetic Ancestry | Mapping human genetic variation is fundamentally interesting in fields such as anthropology and forensic inference. At the same time patterns of genetic diversity confound efforts to determine the genetic basis of complex disease. Due to technological advances it is now possible to measure hundreds of thousands of gene... | [
"stat.AP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1602184 | 0908.2448 | 2009-08-17 | Threshold graph limits and random threshold graphs | We study the limit theory of large threshold graphs and apply this to a variety of models for random threshold graphs. The results give a nice set of examples for the emerging theory of graph limits. | [
"math.CO",
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3320542 | 0908.2381 | 2009-08-17 | Searches for Lepton Flavor Violation in the Decays tau -> e gamma and tau -> mu gamma | Searches for lepton-flavor-violating decay of a tau lepton to a lighter mass lepton and a photon have been performed with the entire dataset of (963 +- 7) x 10^6 tau decays collected by the BaBar detector near the Upsilon(4S), Upsilon(3S) and Upsilon(2S) resonances. The searches yield no evidence of signals and we set ... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "b aubert_1",
"name": "Bernard Aubert",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "y karyotakis_1",
"name": "Yannis Karyotakis",
"publication_history": null,
"h_index": null,
"num_papers": ... | null |
11429981 | 0908.2543 | 2009-08-18 | On Dynamic Coloring of Graphs | A dynamic coloring of a graph $G$ is a proper coloring such that for every vertex $v\in V(G)$ of degree at least 2, the neighbors of $v$ receive at least 2 colors. In this paper we present some upper bounds for the dynamic chromatic number of graphs. In this regard, we shall show that there is a constant $c$ such that ... | [
"math.CO"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m alishahi_1",
"name": "Meysam Alishahi",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
14778531 | 0908.2514 | 2009-08-18 | Radon needlet thresholding | We provide a new algorithm for the treatment of the noisy inversion of the Radon transform using an appropriate thresholding technique adapted to a well-chosen new localized basis. We establish minimax results and prove their optimality. In particular, we prove that the procedures provided here are able to attain minim... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "g kerkyacharian_1",
"name": "Gerard Kerkyacharian",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "e pennec_1",
"name": "Erwan [\"Le\"] Pennec",
"publication_history": null,
"h_index": null,
"... | null |
15418437 | 0908.2656 | 2009-08-18 | Semantic Robot Vision Challenge: Current State and Future Directions | The Semantic Robot Vision Competition provided an excellent opportunity for our research lab to integrate our many ideas under one umbrella, inspiring both collaboration and new research. The task, visual search for an unknown object, is relevant to both the vision and robotics communities. Moreover, since the interpla... | [
"cs.CV",
"cs.RO"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "s helmer_2",
"name": "Scott Helmer",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "d meger_1",
"name": "David Meger",
"publication_history": null,
"h_index": null,
"num_papers": null,
"nu... | null |
13840954 | 0908.2626 | 2009-08-18 | Radio detection of LAT PSRs J1741-2054 and J2032+4127: no longer just gamma-ray pulsars | Sixteen pulsars have been discovered so far in blind searches of photons collected with the Large Area Telescope on the Fermi Gamma-ray Space Telescope. We here report the discovery of radio pulsations from two of them. PSR J1741-2054, with period P=413ms, was detected in archival Parkes telescope data and subsequently... | [
"astro-ph.GA",
"astro-ph.HE"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17490296 | 0908.2539 | 2009-08-18 | An investigation of the luminosity-metallicity relation for a large sample of low-metallicity emission-line galaxies | (abridged) We present 8.2m VLT spectroscopic observations of 28 HII regions in 16 emission-line galaxies and 3.6m ESO telescope spectroscopic observations of 38 HII regions in 28 emission-line galaxies. These emission-line galaxies were selected mainly from the Data Release 6 (DR6) of the Sloan Digital Sky Survey (SDSS... | [
"astro-ph.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14006009 | 0908.2624 | 2009-08-18 | Accurate masses and radii of normal stars: modern results and applications | This paper presents and discusses a critical compilation of accurate, fundamental determinations of stellar masses and radii. We have identified 95 detached binary systems containing 190 stars (94 eclipsing systems, and alpha Centauri) that satisfy our criterion that the mass and radius of both stars be known to 3% or ... | [
"astro-ph.SR",
"astro-ph.GA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8149900 | 0908.2793 | 2009-08-19 | Applications of Metric Coinduction | Metric coinduction is a form of coinduction that can be used to establish properties of objects constructed as a limit of finite approximations. One can prove a coinduction step showing that some property is preserved by one step of the approximation process, then automatically infer by the coinduction principle that t... | [
"cs.LO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18642206 | 0908.2814 | 2009-08-19 | Another approach to some rough and stochastic partial differential equations | In this note we introduce a new approach to rough and stochastic partial differential equations (RPDEs and SPDEs): we consider general Banach spaces as state spaces and -- for the sake of simiplicity -- finite dimensional sources of noise, either rough or stochastic. By means of a time-dependent transformation of state... | [
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17648223 | 0908.2635 | 2009-08-19 | Energy functionals for Calabi-Yau metrics | We identify a set of "energy" functionals on the space of metrics in a given Kaehler class on a Calabi-Yau manifold, which are bounded below and minimized uniquely on the Ricci-flat metric in that class. Using these functionals, we recast the problem of numerically solving the Einstein equation as an optimization probl... | [
"hep-th",
"math.DG"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5796379 | 0908.2724 | 2009-08-19 | Sparse Canonical Correlation Analysis | We present a novel method for solving Canonical Correlation Analysis (CCA) in a sparse convex framework using a least squares approach. The presented method focuses on the scenario when one is interested in (or limited to) a primal representation for the first view while having a dual representation for the second view... | [
"stat.ML",
"stat.ME"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
252793 | 0908.2788 | 2009-08-19 | Maximizing Stochastic Monotone Submodular Functions | We study the problem of maximizing a stochastic monotone submodular function with respect to a matroid constraint. Due to the presence of diminishing marginal values in real-world problems, our model can capture the effect of stochasticity in a wide range of applications. We show that the adaptivity gap -- the ratio be... | [
"math.OC"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
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