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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5296619 | 0901.0118 | 2008-12-31 | On the Stability Region of Amplify-and-Forward Cooperative Relay Networks | This paper considers an amplify-and-forward relay network with fading states. Amplify-and-forward scheme (along with its variations) is the core mechanism for enabling cooperative communication in wireless networks, and hence understanding the network stability region under amplify-and-forward scheme is very important.... | [
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{
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"name": "Jubin Jose",
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"name": "Lei Ying",
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118599146 | 0901.0187 | 2009-01-01 | Macroscopic Maxwell's equations and negative index materials | We study the linear phenomenological Maxwell's equations in the presence of a polarizable and magnetizable medium (magnetodielectric). For a dispersive, non-absorptive, medium with equal electric and magnetic permeabilities, the latter can assume the value -1 (+1 is their vacuum value) for a discrete set of frequencies... | [
"physics.optics"
] | null | [
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119177519 | 0901.0173 | 2009-01-01 | Non-Minimal Quintessence With Nearly Flat Potential | We consider Brans-Dicke type nonminimally coupled scalar field as a candidate for dark energy. In the conformally transformed Einstein's frame, our model is similar to {\it coupled quintessence} model. In such models, we consider potentials for the scalar field which satisfy the slow-roll conditions: $[(1/V)(dV/d\phi)]... | [
"astro-ph.CO"
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"author_id": "a sen_2",
"name": "Anjan [\"Ananda\"] Sen",
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"name": "Gaveshna Gupta",
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17200285 | 0901.0167 | 2009-01-01 | Blazar nuclei in radio-loud narrow-line Seyfert 1? | It has been suggested that some radio-loud narrow-line Seyfert 1 contain relativistic jets, on the basis of their flat-spectrum radio nuclei and studies on variability. We present preliminary results of an ongoing investigation of the X-ray and multiwavelength properties of 5 radio-loud NLS1 based on archival data from... | [
"astro-ph.HE"
] | null | [
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165160 | 0901.0205 | 2009-01-01 | On Allocating Goods to Maximize Fairness | Given a set of $m$ agents and a set of $n$ items, where agent $A$ has utility $u_{A,i}$ for item $i$, our goal is to allocate items to agents to maximize fairness. Specifically, the utility of an agent is the sum of its utilities for items it receives, and we seek to maximize the minimum utility of any agent. While thi... | [
"cs.DS"
] | null | [
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] | null | null | null |
7365642 | 0901.0296 | 2009-01-02 | Experience versus Talent Shapes the Structure of the Web | We use sequential large-scale crawl data to empirically investigate and validate the dynamics that underlie the evolution of the structure of the web. We find that the overall structure of the web is defined by an intricate interplay between experience or entitlement of the pages (as measured by the number of inbound h... | [
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"author_id": "j kong_11",
"name": "Joseph [\"S.\"] Kong",
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"author_id": "n sarshar_1",
"name": "Nima Sarshar",
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16285549 | 0901.0282 | 2009-01-02 | HAT-P-11b: A Super-Neptune Planet Transiting a Bright K Star in the Kepler Field | We report on the discovery of HAT-P-11b, the smallest radius transiting extrasolar planet (TEP) discovered from the ground, and the first hot Neptune discovered to date by transit searches. HAT-P-11b orbits the bright (V=9.587) and metal rich ([Fe=H] = +0.31 +/- 0.05) K4 dwarf star GSC 03561-02092 with P = 4.8878162 +/... | [
"astro-ph.EP"
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9601600 | 0706.0456 | 2009-01-02 | Parton Distributions for the LHC | We present a preliminary set of updated NLO parton distributions. For the first time we have a quantitative extraction of the strange quark and antiquark distributions and their uncertainties determined from CCFR and NuTeV dimuon cross sections. Additional jet data from HERA and the Tevatron improve our gluon extractio... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7895721 | 0901.0225 | 2009-01-02 | Flexible Multivariate Density Estimation with Marginal Adaptation | Our article addresses the problem of flexibly estimating a multivariate density while also attempting to estimate its marginals correctly. We do so by proposing two new estimators that try to capture the best features of mixture of normals and copula estimators while avoiding some of their weaknesses. The first estimat... | [
"stat.ME",
"stat.CO"
] | null | [
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14993946 | 0901.0324 | 2009-01-03 | Beta Jacobi processes | We define and study a multidimensional process that generalizes the eigenvalues of matrix Jacobi processes on the one hand and whose stationary distribution is given by the beta Jacobi ensemble on the other hand. | [
"math.PR",
"math.ST",
"stat.TH"
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8529844 | 0901.0358 | 2009-01-03 | Weighted Naive Bayes Model for Semi-Structured Document Categorization | The aim of this paper is the supervised classification of semi-structured data. A formal model based on bayesian classification is developed while addressing the integration of the document structure into classification tasks. We define what we call the structural context of occurrence for unstructured data, and we der... | [
"cs.IR"
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"name": "Gildas Ménier",
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7288207 | 0901.0534 | 2009-01-05 | Simple pulses for elimination of leakage in weakly nonlinear qubits | In realizations of quantum computing, a two-level system (qubit) is often singled out of the many levels of an anharmonic oscillator. In these cases, simple qubit control fails on short time scales because of coupling to leakage levels. We provide an easy to implement analytic formula that inhibits this leakage from an... | [
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"quant-ph"
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"author_id": "j gambetta_1",
"name": "Jay [\"M.\"] Gambetta",
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15364378 | 0901.0540 | 2009-01-05 | A Family of Nonlinear Fourth Order Equations of Gradient Flow Type | Global existence and long-time behavior of solutions to a family of nonlinear fourth order evolution equations on $R^d$ are studied. These equations constitute gradient flows for the perturbed information functionals $F[u] = 1/(2\alpha) \int | D (u^\alpha) |^2 dx + \lambda/2 \int |x|^2 u dx$ with respect to the $L^2$-W... | [
"math.AP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1547785 | 0901.0356 | 2009-01-05 | Information, Divergence and Risk for Binary Experiments | We unify f-divergences, Bregman divergences, surrogate loss bounds (regret bounds), proper scoring rules, matching losses, cost curves, ROC-curves and information. We do this by systematically studying integral and variational representations of these objects and in so doing identify their primitives which all are rela... | [
"stat.ML",
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119073171 | 0901.0420 | 2009-01-05 | Numerical study of the hard-core Bose-Hubbard Model on an Infinite Square Lattice | We present a study of the hard-core Bose-Hubbard model at zero temperature on an infinite square lattice using the infinite Projected Entangled Pair State algorithm [Jordan et al., Phys. Rev. Lett. 101, 250602 (2008)]. Throughout the whole phase diagram our values for the ground state energy, particle density and conde... | [
"cond-mat.str-el"
] | null | [
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{
"author_id": "j jordan_3",
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{
"author_id": "r orús_1",
"name": "Román Orús",
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265097295 | 0901.0529 | 2009-01-05 | Measures for classification and detection in steganalysis | Still and multi-media images are subject to transformations for compression, steganographic embedding and digital watermarking. In a major program of activities we are engaged in the modeling, design and analysis of digital content. Statistical and pattern classification techniques should be combined with understanding... | [
"cs.OH",
"cs.CR"
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{
"author_id": "s gujar_1",
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"name": "C [\"E\",\"Veni\"] Madhavan",
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33143874 | 0901.0427 | 2009-01-05 | Keck spectroscopic survey of strongly lensed galaxies in Abell 1703: further evidence for a relaxed, unimodal cluster | Strong gravitational lensing is a unique tool to model with great accuracy the inner mass distribution of massive galaxy clusters. In particular, clusters with large Einstein radii provide a wealth of multiply imaged systems in the cluster core allowing to determine precisely the shape of the central dark matter profil... | [
"astro-ph.GA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16044940 | 0901.0536 | 2009-01-05 | Polar Codes: Characterization of Exponent, Bounds, and Constructions | Polar codes were recently introduced by Ar\i kan. They achieve the capacity of arbitrary symmetric binary-input discrete memoryless channels under a low complexity successive cancellation decoding strategy. The original polar code construction is closely related to the recursive construction of Reed-Muller codes and is... | [
"cs.IT",
"math.IT"
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{
"corpus_id": "889822",
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9688004 | 0901.0595 | 2009-01-05 | Capacity regions of two new classes of 2-receiver broadcast channels | Motivated by a simple broadcast channel, we generalize the notions of a less noisy receiver and a more capable receiver to an essentially less noisy receiver and an essentially more capable receiver respectively. We establish the capacity regions of these classes by borrowing on existing techniques to obtain the charac... | [
"cs.IT",
"math.IT"
] | null | [
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15328515 | 0901.0555 | 2009-01-05 | ARCADE 2 Measurement of the Extra-Galactic Sky Temperature at 3-90 GHz | The ARCADE 2 instrument has measured the absolute temperature of the sky at frequencies 3, 8, 10, 30, and 90 GHz, using an open-aperture cryogenic instrument observing at balloon altitudes with no emissive windows between the beam-forming optics and the sky. An external blackbody calibrator provides an {\it in situ} re... | [
"astro-ph.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8055117 | 0901.0302 | 2009-01-05 | Search for Gravitational Waves from Low Mass Binary Coalescences in the First Year of LIGO's S5 Data | We have searched for gravitational waves from coalescing low mass compact binary systems with a total mass between 2 and 35 Msun and a minimum component mass of 1 Msun using data from the first year of the fifth science run (S5) of the three LIGO detectors, operating at design sensitivity. Depending on mass, we are sen... | [
"gr-qc"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1846068 | 0901.0749 | 2009-01-06 | Quantized Compressive Sensing | We study the average distortion introduced by scalar, vector, and entropy coded quantization of compressive sensing (CS) measurements. The asymptotic behavior of the underlying quantization schemes is either quantified exactly or characterized via bounds. We adapt two benchmark CS reconstruction algorithms to accommoda... | [
"cs.IT",
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{
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"author_id": "h pham_5",
"name": "Hoa [\"Vinh\"] Pham",
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53125891 | 0901.0677 | 2009-01-06 | Hydrokinetic simulations of nanoscopic precursor films in rough channels | We report on simulations of capillary filling of high-wetting fluids in nano-channels with and without obstacles. We use atomistic (molecular dynamics) and hydrokinetic (lattice-Boltzmann) approaches which point out clear evidence of the formation of thin precursor films, moving ahead of the main capillary front. The d... | [
"physics.flu-dyn"
] | null | [
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{
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"author_id": "l biferale_1",
"name": "Luca Biferale",
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16043854 | 0901.0649 | 2009-01-06 | Galaxy shear estimation from stacked images | Statistics of the weak lensing of galaxies can be used to constrain cosmology if the galaxy shear can be estimated accurately. In general this requires accurate modelling of unlensed galaxy shapes and the point spread function (PSF). I discuss suboptimal but potentially robust methods for estimating galaxy shear by sta... | [
"astro-ph.GA"
] | null | [
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] | null | null | null |
18373664 | 0901.0734 | 2009-01-06 | SPARLS: A Low Complexity Recursive $\mathcal{L}_1$-Regularized Least Squares Algorithm | We develop a Recursive $\mathcal{L}_1$-Regularized Least Squares (SPARLS) algorithm for the estimation of a sparse tap-weight vector in the adaptive filtering setting. The SPARLS algorithm exploits noisy observations of the tap-weight vector output stream and produces its estimate using an Expectation-Maximization type... | [
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"name": "Nicholas Kalouptsidis",
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2575124 | 0901.0702 | 2009-01-06 | Multidimensional Flash Codes | Flash memory is a non-volatile computer memory comprised of blocks of cells, wherein each cell can take on q different levels corresponding to the number of electrons it contains. Increasing the cell level is easy; however, reducing a cell level forces all the other cells in the same block to be erased. This erasing op... | [
"cs.IT",
"math.IT"
] | null | [
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] | null | null | null |
17693974 | 0901.0608 | 2009-01-06 | Multicasting correlated multi-source to multi-sink over a network | The problem of network coding with multicast of a single source to multisink has first been studied by Ahlswede, Cai, Li and Yeung in 2000, in which they have established the celebrated max-flow mini-cut theorem on non-physical information flow over a network of independent channels. On the other hand, in 1980, Han has... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6217736 | 0901.0676 | 2009-01-06 | Consistent supersymmetric Kaluza--Klein truncations with massive modes | We construct consistent Kaluza--Klein reductions of D=11 supergravity to four dimensions using an arbitrary seven-dimensional Sasaki--Einstein manifold. At the level of bosonic fields, we extend the known reduction, which leads to minimal N=2 gauged supergravity, to also include a multiplet of massive fields, containin... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14254576 | 0901.0706 | 2009-01-06 | The distribution of stellar mass in the low-redshift Universe | We use a complete and uniform sample of almost half a million galaxies from the Sloan Digital Sky Survey to characterise the distribution of stellar mass in the low-redshift Universe. Galaxy abundances are well determined over almost four orders of magnitude in stellar mass, and are reasonably but not perfectly fit by ... | [
"astro-ph.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7506003 | 0901.0643 | 2009-01-06 | An Information Theoretic Analysis of Single Transceiver Passive RFID Networks | In this paper, we study single transceiver passive RFID networks by modeling the underlying physical system as a special cascade of a certain broadcast channel (BCC) and a multiple access channel (MAC), using a "nested codebook" structure in between. The particular application differentiates this communication setup fr... | [
"cs.IT",
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{
"author_id": "y altug_0",
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"name": "Suleyman [\"Serdar\"] Kozat",
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7522435 | 0901.0633 | 2009-01-06 | Optimal control as a graphical model inference problem | We reformulate a class of non-linear stochastic optimal control problems introduced by Todorov (2007) as a Kullback-Leibler (KL) minimization problem. As a result, the optimal control computation reduces to an inference computation and approximate inference methods can be applied to efficiently compute approximate opti... | [
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] | null | [
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729313 | 0901.0886 | 2009-01-07 | Developments in ROOT I/O and trees | For the last several months the main focus of development in the ROOT I/O package has been code consolidation and performance improvements. Access to remote files is affected both by bandwidth and latency. We introduced a pre-fetch mechanism to minimize the number of transactions between client and server and hence red... | [
"cs.OH"
] | null | [
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{
"author_id": "r brun_1",
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"author_id": "p canal_1",
"name": "Philippe Canal",
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15788029 | 0901.0861 | 2009-01-07 | Cu/Ag EAM Potential Optimized for Heteroepitaxial Diffusion from ab initio Data | A binary embedded-atom method (EAM) potential is optimized for Cu on Ag(111) by fitting to ab initio data. The fitting database consists of DFT calculations of Cu monomers and dimers on Ag(111), specifically their relative energies, adatom heights, and dimer separations. We start from the Mishin Cu-Ag EAM potential and... | [
"cond-mat.mtrl-sci"
] | null | [
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] | [] | [
{
"author_id": "h wu_2",
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{
"author_id": "d trinkle_1",
"name": "Dallas [\"R.\"] Trinkle",
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1163472 | 0901.0824 | 2009-01-07 | A Characterization of Max-Min SIR-Balanced Power Allocation with Applications | We consider a power-controlled wireless network with an established network topology in which the communication links (transmitter-receiver pairs) are corrupted by the co-channel interference and background noise. We have fairly general power constraints since the vector of transmit powers is confined to belong to an a... | [
"cs.IT",
"math.IT"
] | null | [
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{
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"author_id": "m wiczanowski_0",
"name": "Marcin Wiczanowski",
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15062218 | 0901.0888 | 2009-01-07 | The Visibility Graph: a new method for estimating the Hurst exponent of fractional Brownian motion | Fractional Brownian motion (fBm) has been used as a theoretical framework to study real time series appearing in diverse scientific fields. Because its intrinsic non-stationarity and long range dependence, its characterization via the Hurst parameter H requires sophisticated techniques that often yield ambiguous result... | [
"physics.data-an"
] | null | [
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16954938 | 0901.0843 | 2009-01-07 | A simplicial $A_\infty$-operad acting on $R$-resolutions | We construct a combinatorial model of an A-infinity-operad which acts simplicially on the cobar resolution (not just its total space) of a simplicial set with respect to a ring R. | [
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{
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{
"author_id": "a libman_1",
"name": "Assaf Libman",
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"n... | null |
118437162 | 0901.0750 | 2009-01-07 | Control of energy distribution of the proton beam with an oblique incidence of the laser pulse | We investigate proton acceleration by a laser pulse obliquely incident on a double layer target via 3D PIC simulations. It is found that the proton beam energy spread changes by the laser irradiation position and it reaches a minimum at certain position. This provides a way to control the proton energy spectrum. We sho... | [
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] | null | [
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{
"author_id": "t morita_2",
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{
"author_id": "s bulanov_1",
"name": "S. [\"V.\"] Bulanov",
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"num_papers":... | null |
12915693 | 0901.0831 | 2009-01-07 | Predictions of polarized dust emission from interstellar clouds: spatial variations in the efficiency of radiative torque alignment | Polarization carries information about the magnetic fields in interstellar clouds. The observations of polarized dust emission are used to study the role of magnetic fields in the evolution of molecular clouds and the initial phases of star-formation. We study the grain alignment with realistic simulations, assuming th... | [
"astro-ph.GA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
55880386 | 0901.0943 | 2009-01-07 | Measuring the quality of a quantum reference frame: the relative entropy of frameness | In the absence of a reference frame for transformations associated with a group G, any quantum state that is non-invariant under the action of G may serve as a token of the missing reference frame. We here introduce a novel measure of the quality of such a token: the relative entropy of frameness. This is defined as th... | [
"quant-ph"
] | null | [
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{
"author_id": "g gour_1",
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{
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"name": "Iman Marvian",
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1238948 | 0901.0774 | 2009-01-07 | Resilience and rewiring of the passenger airline networks in the United States | The air transportation network, a fundamental component of critical infrastructure, is formed from a collection of individual air carriers, each one with a methodically designed and engineered network structure. We analyze the individual structures of the seven largest passenger carriers in the USA and find that networ... | [
"physics.soc-ph",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15149456 | 0901.0937 | 2009-01-08 | Spectroscopic binaries among Hipparcos M giants II. Binary frequency | This paper is the second one in a series devoted to the study of properties of binaries involving M giants. The binary frequency of field M giants is derived and compared with the binary fraction of K giants. Diagrams of the CORAVEL spectroscopic parameter Sb (measuring the average line-width) vs. radial-velocity stand... | [
"astro-ph.SR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16934418 | 0901.1146 | 2009-01-08 | Niobium superconducting nanowire single-photon detectors | We investigate the performance of superconducting nanowire photon detectors fabricated from ultra-thin Nb. A direct comparison is made between these detectors and similar nanowire detectors fabricated from NbN. We find that Nb detectors are significantly more susceptible than NbN to thermal instability (latching) at hi... | [
"cond-mat.supr-con",
"physics.ins-det"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
855603 | 0901.1140 | 2009-01-08 | On Profit-Maximizing Pricing for the Highway and Tollbooth Problems | In the \emph{tollbooth problem}, we are given a tree $\bT=(V,E)$ with $n$ edges, and a set of $m$ customers, each of whom is interested in purchasing a path on the tree. Each customer has a fixed budget, and the objective is to price the edges of $\bT$ such that the total revenue made by selling the paths to the custom... | [
"cs.DS",
"cs.GT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118741363 | 0901.1100 | 2009-01-08 | Universality and Deviations in Disordered Systems | We compute the probability of positive large deviations of the free energy per spin in mean-field Spin-Glass models. The probability vanishes in the thermodynamic limit as $P(\Delta f) \propto \exp[-N^2 L_2(\Delta f)]$. For the Sherrington-Kirkpatrick model we find $L_2(\Delta f)=O(\Delta f)^{12/5}$ in good agreement w... | [
"cond-mat.dis-nn",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14171378 | 0901.0973 | 2009-01-08 | Infrared Signatures of Disrupted Minor Planets at White Dwarfs | Spitzer Space Observatory IRAC and MIPS photometric observations are presented for 20 white dwarfs with T < 20,000 K and metal-contaminated photospheres. A warm circumstellar disk is detected at GD 16 and likely at PG 1457-086, while the remaining targets fail to reveal mid-infrared excess typical of dust disks, includ... | [
"astro-ph.EP",
"astro-ph.SR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5861872 | 0901.1024 | 2009-01-08 | Nodal Discontinuous Galerkin Methods on Graphics Processors | Discontinuous Galerkin (DG) methods for the numerical solution of partial differential equations have enjoyed considerable success because they are both flexible and robust: They allow arbitrary unstructured geometries and easy control of accuracy without compromising simulation stability. Lately, another property of D... | [
"math.NA"
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{
"author_id": "a klöckner_1",
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{
"author_id": "t warburton_1",
"name": "Tim Warburton",
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"num_papers": n... | null |
1003394 | 0901.1015 | 2009-01-08 | Angular distributions of leptons from J/psi's produced in 920 GeV fixed-target proton-nucleus collisions | A study of the angular distributions of leptons from decays of J/psi's produced in p-C and p-W collisions at sqrt{s}=41.6 GeV has been performed in the Feynman-x region -0.34 < x_F < 0.14 and for transverse momentum up to 5.4 GeV/c. The data were collected by the HERA-B experiment at the HERA proton ring of the DESY la... | [
"hep-ex"
] | null | [
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{
"author_id": "i abt_1",
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{
"author_id": "m adams_9",
"name": "M. [\"R.\"] Adams",
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"num... | null |
14952567 | 0901.1095 | 2009-01-08 | FAIR: Fuzzy-based Aggregation providing In-network Resilience for real-time Wireless Sensor Networks | This work introduces FAIR, a novel framework for Fuzzy-based Aggregation providing In-network Resilience for Wireless Sensor Networks. FAIR addresses the possibility of malicious aggregator nodes manipulating data. It provides data-integrity based on a trust level of the WSN response and it tolerates link or node failu... | [
"cs.CR"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "e de cristofaro_1",
"name": "Emiliano De Cristofaro",
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{
"author_id": "j bohli_0",
"name": "Jens-Matthias Bohli",
"publication_history": null,
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"n... | null |
263785179 | 0901.1154 | 2009-01-08 | F-adjunction | In this paper we study singularities defined by the action of Frobenius in characteristic $p > 0$. We prove results analogous to inversion of adjunction along a center of log canonicity. For example, we show that if $X$ is a Gorenstein normal variety then to every normal center of sharp $F$-purity $W \subseteq X$ such ... | [
"math.AG",
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] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1394868 | 0901.1273 | 2009-01-09 | Bayesian Generalized Probability Calculus for Density Matrices | One of the main concepts in quantum physics is a density matrix, which is a symmetric positive definite matrix of trace one. Finite probability distributions can be seen as a special case when the density matrix is restricted to be diagonal. We develop a probability calculus based on these more general distributions th... | [
"quant-ph",
"math-ph",
"math.MP",
"physics.data-an"
] | null | [
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{
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] | [
{
"author_id": "m warmuth_1",
"name": "Manfred [\"K.\"] Warmuth",
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{
"author_id": "d kuzmin_1",
"name": "Dima Kuzmin",
"publication_history": null,
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"num_papers":... | null |
2024201 | 0901.1288 | 2009-01-09 | Power-Controlled Feedback and Training for Two-way MIMO Channels | Most communication systems use some form of feedback, often related to channel state information. The common models used in analyses either assume perfect channel state information at the receiver and/or noiseless state feedback links. However, in practical systems, neither is the channel estimate known perfectly at th... | [
"cs.IT",
"math.IT"
] | null | [
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{
"author_id": "v aggarwal_5",
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{
"author_id": "a sabharwal_1",
"name": "Ashutosh Sabharwal",
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7240497 | 0901.1285 | 2009-01-09 | A systematic fitting scheme for caustic-crossing microlensing events | We outline a method for fitting binary-lens caustic-crossing microlensing events based on the alternative model parameterisation proposed and detailed in Cassan (2008). As an illustration of our methodology, we present an analysis of OGLE-2007-BLG-472, a double-peaked Galactic microlensing event with a source crossing ... | [
"astro-ph.GA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17342404 | 0901.1293 | 2009-01-09 | Computational birational geometry of minimal rational surfaces | The classification of minimal rational surfaces and the birational links between them by Iskovskikh, Manin and others is a well-known subject in the theory of algebraic surfaces. We explain algorithms that realise links of type II between minimal del Pezzo surfaces, one of the major classes of birational links, and we ... | [
"math.AG"
] | null | [
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] | [] | [
{
"author_id": "g brown_5",
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{
"author_id": "a kasprzyk_1",
"name": "A. Kasprzyk",
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"n... | null |
118855364 | 0901.1314 | 2009-01-09 | Covariant Galileon | We consider the recently introduced "galileon" field in a dynamical spacetime. When the galileon is assumed to be minimally coupled to the metric, we underline that both field equations of the galileon and the metric involve up to third-order derivatives. We show that a unique nonminimal coupling of the galileon to cur... | [
"hep-th",
"astro-ph.CO",
"gr-qc"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119248195 | 0901.1159 | 2009-01-09 | GASS: The Parkes Galactic All-Sky Survey. I. Survey Description, Goals, and Initial Data Release | The Parkes Galactic All-Sky Survey (GASS) is a survey of Galactic atomic hydrogen (HI) emission in the Southern sky covering declinations $\delta \leq 1^{\circ}$ using the Parkes Radio Telescope. The survey covers $2\pi$ steradians with an effective angular resolution of ~16', at a velocity resolution of 1.0 km/s, and ... | [
"astro-ph.GA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8758079 | 0901.1318 | 2009-01-10 | Evolution in the structural properties of early-type Brightest Cluster Galaxies at small lookback time and dependence on the environment | At the present time, SDSS early-type BCGs have larger Re than early-type galaxies of similar L, whether these other objects are in the field, or are satellites in clusters (Re ~ L for BCGs). At fixed M* and formation time, BCGs at lower z are larger and have smaller velocity dispersions, i.e. Re increases and sigma dec... | [
"astro-ph.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1344548 | 0901.1378 | 2009-01-10 | A cautionary tale on the efficiency of some adaptive Monte Carlo schemes | There is a growing interest in the literature for adaptive Markov chain Monte Carlo methods based on sequences of random transition kernels $\{P_n\}$ where the kernel $P_n$ is allowed to have an invariant distribution $\pi_n$ not necessarily equal to the distribution of interest $\pi$ (target distribution). These algor... | [
"stat.CO",
"math.PR",
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"stat.ME",
"stat.TH"
] | null | [
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] | null | null | null |
118257133 | 0901.1366 | 2009-01-10 | Monte Carlo simulations on rare-earth Holmium ultra-thin films | Motivated by recent experimental results in ultra-thin helimagnetic Holmium films, we have performed an extensive classical Monte Carlo simulation of films of different thickness, assuming a Hamiltonian with six inter-layer exchange constants. Both magnetic structure and critical properties have been analyzed. For n>16... | [
"cond-mat.stat-mech",
"cond-mat.mtrl-sci"
] | null | [
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{
"author_id": "f cinti_1",
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{
"author_id": "a cuccoli_1",
"name": "Alessandro Cuccoli",
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... | null |
1337370 | 0901.1463 | 2009-01-11 | Flux norm approach to finite dimensional homogenization approximations with non-separated scales and high contrast | We consider divergence-form scalar elliptic equations and vectorial equations for elasticity with rough ($L^\infty(\Omega)$, $\Omega \subset \R^d$) coefficients $a(x)$ that, in particular, model media with non-separated scales and high contrast in material properties. We define the flux norm as the $L^2$ norm of the po... | [
"math.AP",
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] | null | [
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{
"author_id": "l berlyand_1",
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{
"author_id": "h owhadi_1",
"name": "Houman Owhadi",
"publication_history": null,
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"num_papers": null,... | null |
17523900 | 0901.1464 | 2009-01-11 | Evolution of the Age Structured Populations and Demography | We describe the simulation method of modelling the population evolution using Monte Carlo based on the Penna model. Individuals in the populations are represented by their diploid genomes. Genes expressed after the minimum reproduction age are under a weaker selection pressure and accumulate more mutations than those e... | [
"q-bio.GN",
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] | null | [
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] | [
{
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{
"author_id": "a laszkiewicz_0",
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{
"author_id": "p biecek_1",
"name": "P. Biecek",
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"num_papers": ... | null |
119287135 | 0901.1431 | 2009-01-11 | Measurement of the branching fraction for the decay Upsilon(4S) -> Upsilon(1S)pi+pi- | We study transitions between Upsilon states with the emission of charged pions using 604.6/fb of data collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. The measured product branching fraction is B(Upsilon(4S) -> Upsilon(1S)pi+pi-) * B(Upsilon(1S) -> mu+mu-) = = (2.11 +/- 0.30(stat.) +/- 0.1... | [
"hep-ex"
] | null | [
"target.author.publication_history"
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{
"author_id": "a sokolov_6",
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{
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"name": "M. Shapkin",
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"nu... | null |
9679113 | 0901.1705 | 2009-01-12 | Rate-Distortion with Side-Information at Many Decoders | We present a new inner bound for the rate region of the $t$-stage successive-refinement problem with side-information. We also present a new upper bound for the rate-distortion function for lossy-source coding with multiple decoders and side-information. Characterising this rate-distortion function is a long-standing o... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1910324 | 0901.1543 | 2009-01-12 | The 0.4 < z < 1.3 star formation history of the Universe as viewed in the far-infrared | [Abridged] We use the deepest existing mid- and far-infrared observations (reaching ~3 mJy at 70 um) obtained with Spitzer in the GOODS and FIDEL fields to derive the evolution of the rest-frame 15 um, 35 um, and total infrared luminosity functions of galaxies spanning z < 1.3. In comparison with previous studies, the ... | [
"astro-ph.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13279495 | 0901.1629 | 2009-01-12 | Adaptive threshold-based decision for efficient hybrid deflection and retransmission scheme in OBS networks | Burst contention is a well-known challenging problem in Optical Burst Switching (OBS) networks. Deflection routing is used to resolve contention. Burst retransmission is used to reduce the Burst Loss Ratio (BLR) by retransmitting dropped bursts. Previous works show that combining deflection and retransmission outperfor... | [
"cs.NI"
] | null | [
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{
"author_id": "m lévesque_1",
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{
"author_id": "h elbiaze_1",
"name": "Halima Elbiaze",
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"num_papers": nul... | null |
18163516 | 0901.1678 | 2009-01-12 | Associated Primes of the Square of the Alexander Dual of Hypergraphs | The purpose of this paper is to provide methods for determining the associated primes of the square of the Alexander dual of the edge ideal for an m-hypergraph H. We prove a general method for detecting associated primes of the square of the Alexander dual of the edge ideal based on combinatorial conditions on the m-hy... | [
"math.AC",
"math.CO"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a cutkosky_1",
"name": "Ashok Cutkosky",
"publication_history": null,
"h_index": null,
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}
] | null |
871785 | 0901.1518 | 2009-01-12 | Second-order refined peaks-over-threshold modelling for heavy-tailed distributions | Modelling excesses over a high threshold using the Pareto or generalized Pareto distribution (PD/GPD) is the most popular approach in extreme value statistics. This method typically requires high thresholds in order for the (G)PD to fit well and in such a case applies only to a small upper fraction of the data. The ext... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
11261146 | 0901.1853 | 2009-01-13 | Binary Causal-Adversary Channels | In this work we consider the communication of information in the presence of a causal adversarial jammer. In the setting under study, a sender wishes to communicate a message to a receiver by transmitting a codeword x=(x_1,...,x_n) bit-by-bit over a communication channel. The adversarial jammer can view the transmitted... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
781801 | 0901.1842 | 2009-01-13 | Small gain theorems for large scale systems and construction of ISS Lyapunov functions | We consider interconnections of n nonlinear subsystems in the input-to-state stability (ISS) framework. For each subsystem an ISS Lyapunov function is given that treats the other subsystems as independent inputs. A gain matrix is used to encode the mutual dependencies of the systems in the network. Under a small gain a... | [
"math.OC"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1589411 | 0901.1887 | 2009-01-13 | Search for resonant diphoton production with the D0 detector | We present a search for a narrow resonance in the inclusive diphoton final state using 2.7 fb-1 of data collected with the D0 detector at the Fermilab Tevatron ppbar Collider. We observe good agreement between the data and the background prediction, and set the first 95% C.L. upper limits on the production cross sectio... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "v abazov_1",
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{
"author_id": "b abbott_2",
"name": "B. Abbott",
"publication_history": null,
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"num_pa... | null |
6040738 | 0901.1762 | 2009-01-13 | A Tight Estimate for Decoding Error-Probability of LT Codes Using Kovalenko's Rank Distribution | A new approach for estimating the Decoding Error-Probability (DEP) of LT codes with dense rows is derived by using the conditional Kovalenko's rank distribution. The estimate by the proposed approach is very close to the DEP approximated by Gaussian Elimination, and is significantly less complex. As a key application, ... | [
"cs.IT",
"cs.DM",
"math.CO",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "k lee_31",
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{
"author_id": "h radha_1",
"name": "Hayder Radha",
"publication_history": null,
"h_index": null,
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"num_... | null |
2242004 | 0901.1898 | 2009-01-13 | Efficient and Guaranteed Rank Minimization by Atomic Decomposition | Recht, Fazel, and Parrilo provided an analogy between rank minimization and $\ell_0$-norm minimization. Subject to the rank-restricted isometry property, nuclear norm minimization is a guaranteed algorithm for rank minimization. The resulting semidefinite formulation is a convex problem but in practice the algorithms f... | [
"math.NA",
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
16995433 | 0901.1729 | 2009-01-13 | Best linear unbiased estimation of the nuclear masses | This paper presents methods to provide an optimal evaluation of the nuclear masses. The techniques used for this purpose come from data assimilation that allows combining, in an optimal and consistent way, information coming from experiment and from numerical model. Using all the available information, it leads to impr... | [
"nucl-th",
"nucl-ex",
"physics.data-an"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "b bouriquet_1",
"name": "Bertrand Bouriquet",
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},
{
"author_id": "j argaud_1",
"name": "Jean-Philippe Argaud",
"publication_history": null,
"h_index": null,
"num_pap... | null |
6820502 | 0901.1904 | 2009-01-13 | Joint universal lossy coding and identification of stationary mixing sources with general alphabets | We consider the problem of joint universal variable-rate lossy coding and identification for parametric classes of stationary $\beta$-mixing sources with general (Polish) alphabets. Compression performance is measured in terms of Lagrangians, while identification performance is measured by the variational distance betw... | [
"cs.IT",
"cs.LG",
"math.IT"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "7417562",
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}
] | [
{
"author_id": "m raginsky_1",
"name": "Maxim Raginsky",
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"h_index": null,
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}
] | null |
1653882 | 0901.1695 | 2009-01-13 | On the Degrees-of-Freedom of the K-User Gaussian Interference Channel | The degrees-of-freedom of a K-user Gaussian interference channel (GIFC) has been defined to be the multiple of (1/2)log_2(P) at which the maximum sum of achievable rates grows with increasing P. In this paper, we establish that the degrees-of-freedom of three or more user, real, scalar GIFCs, viewed as a function of th... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
12105101 | 0901.1753 | 2009-01-13 | A Channel Coding Perspective of Recommendation Systems | Motivated by recommendation systems, we consider the problem of estimating block constant binary matrices (of size $m \times n$) from sparse and noisy observations. The observations are obtained from the underlying block constant matrix after unknown row and column permutations, erasures, and errors. We derive upper an... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history",
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] | [
{
"corpus_id": "8249100",
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},
{
"corpus_id": "8061516",
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] | [
{
"author_id": "s aditya_3",
"name": "S. [\"T.\"] Aditya",
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{
"author_id": "o dabeer_1",
"name": "Onkar Dabeer",
"publication_history": null,
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15344723 | 0901.1823 | 2009-01-13 | Determination of phase diagrams via computer simulation: Methodology and applications to water, electrolytes and proteins | In this review we focus on the determination of phase diagrams by computer simulation with particular attention to the fluid-solid and solid-solid equilibria. The calculation of the free energy of solid phases using the Einstein crystal and Einstein molecule methods are described in detail. It is shown that for the har... | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
11916433 | 0901.1683 | 2009-01-13 | New Bounds for Binary and Ternary Overloaded CDMA | In this paper, we study binary and ternary matrices that are used for CDMA applications that are injective on binary or ternary user vectors. In other words, in the absence of additive noise, the interference of overloaded CDMA can be removed completely. Some new algorithms are proposed for constructing such matrices. ... | [
"cs.IT",
"cs.DM",
"math.CO",
"math.IT"
] | null | [
"target.author.publication_history"
] | [
{
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{
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{
"author_id": "p pad_1",
"name": "Pedram Pad",
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"h_index": null,
"num_papers": null,
"nu... | null |
10138819 | 0901.1703 | 2009-01-13 | Pilot Contamination and Precoding in Multi-Cell TDD Systems | This paper considers a multi-cell multiple antenna system with precoding used at the base stations for downlink transmission. For precoding at the base stations, channel state information (CSI) is essential at the base stations. A popular technique for obtaining this CSI in time division duplex (TDD) systems is uplink ... | [
"cs.IT",
"math.IT"
] | null | [
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"target.author.publication_history.key_reference"
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{
"author_id": "j jose_2",
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{
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"name": "Alexei [\"E.\"] Ashikhmin",
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"num_papers":... | null |
15066100 | 0901.1999 | 2009-01-14 | Brownian motion with respect to time-changing Riemannian metrics, applications to Ricci flow | We generalize Brownian motion on a Riemannian manifold to the case of a family of metrics which depends on time. Such questions are natural for equations like the heat equation with respect to time dependent Laplacians (inhomogeneous diffusions). In this paper we are in particular interested in the Ricci flow which pro... | [
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17358650 | 0901.1973 | 2009-01-14 | How complex is the obscuration in AGN? New clues from the Suzaku monitoring of the X-ray absorbers in NGC7582 | We present the results of a Suzaku monitoring campaign of the Seyfert 2 galaxy, NGC7582. The source is characterized by very rapid (on timescales even lower than a day) changes of the column density of an inner absorber, together with the presence of constant components arising as reprocessing from a Compton-thick mate... | [
"astro-ph.GA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
432870 | 0901.1925 | 2009-01-14 | Approximate Bayesian computation scheme for parameter inference and model selection in dynamical systems | Approximate Bayesian computation methods can be used to evaluate posterior distributions without having to calculate likelihoods. In this paper we discuss and apply an approximate Bayesian computation (ABC) method based on sequential Monte Carlo (SMC) to estimate parameters of dynamical models. We show that ABC SMC giv... | [
"stat.CO",
"stat.ME"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118479157 | 0901.2137 | 2009-01-14 | Measurement of the ttbar production cross section and top quark mass extraction using dilepton events in ppbar collisions | We present a measurement of the top quark pair production cross section in ppbar collisions at \sqrt{s}=1.96 TeV using approximately 1 fb^{-1} of data collected with the D0 detector. We consider decay channels containing two high pt charged leptons where one lepton is identified as an electron or a muon while the other... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "v abazov_1",
"name": "Victor [\"Mukhamedovich\"] Abazov",
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},
{
"author_id": "b abbott_2",
"name": "B. Abbott",
"publication_history": null,
"h_index": null,
"num_pa... | null |
119105961 | 0901.2075 | 2009-01-14 | SN 2005cs in M51 II. Complete Evolution in the Optical and the Near-Infrared | We present the results of the one year long observational campaign of the type II-plateau SN 2005cs, which exploded in the nearby spiral galaxy M51 (the Whirlpool Galaxy). This extensive dataset makes SN 2005cs the best observed low-luminosity, 56Ni-poor type II-plateau event so far and one of the best core-collapse su... | [
"astro-ph.GA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
55904042 | 0901.2098 | 2009-01-14 | Finiteness of the number of compatibly-split subvarieties | We show that for a Frobenius split variety, there are only finitely many closed subvarieties which are compatibly-split. | [
"math.AG",
"math.AC"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
4418638 | 0901.2074 | 2009-01-14 | A low energy core-collapse supernova without a hydrogen envelope | The final fate of massive stars depends on many factors, including mass, rotation rate, magnetic fields and metallicity. Theory suggests that some massive stars (initially greater than 25-30 solar masses) end up as Wolf-Rayet stars which are deficient in hydrogen because of mass loss through strong stellar winds. The m... | [
"astro-ph.SR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
53646745 | 0901.2032 | 2009-01-14 | Charge and spin transport in strongly correlated one-dimensional quantum systems driven far from equilibrium | We study the charge conductivity in one-dimensional prototype models of interacting particles, such as the Hubbard and the t-V spinless fermion model, when coupled to some external baths injecting and extracting particles at the boundaries. We show that, if these systems are driven far from equilibrium, a negative diff... | [
"cond-mat.str-el",
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13740387 | 0901.2044 | 2009-01-14 | SPADES and mixture models | This paper studies sparse density estimation via $\ell_1$ penalization (SPADES). We focus on estimation in high-dimensional mixture models and nonparametric adaptive density estimation. We show, respectively, that SPADES can recover, with high probability, the unknown components of a mixture of probability densities an... | [
"math.ST",
"stat.ML",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118594692 | 0901.2014 | 2009-01-14 | Chiral symmetry breaking of magnetic vortices by sample roughness | Finite-element micromagnetic simulations are employed to study the chiral symmetry breaking of magnetic vortices, caused by the surface roughness of thin-film magnetic structures. An asymmetry between vortices with different core polarizations has been experimentally observed for square-shaped platelets. E.g., the thre... | [
"cond-mat.other"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "117481745",
"num_citations": null
},
{
"corpus_id": "46401036",
"num_citations": null
}
] | [
{
"author_id": "a vansteenkiste_1",
"name": "Arne Vansteenkiste",
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"num_citations": null
},
{
"author_id": "m weigand_2",
"name": "Markus Weigand",
"publication_history": null,
"h_index": null,
"num_pape... | null |
12219827 | 0901.2091 | 2009-01-14 | The cut metric, random graphs, and branching processes | In this paper we study the component structure of random graphs with independence between the edges. Under mild assumptions, we determine whether there is a giant component, and find its asymptotic size when it exists. We assume that the sequence of matrices of edge probabilities converges to an appropriate limit objec... | [
"math.PR",
"math.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10881617 | 0901.1954 | 2009-01-14 | Two-Way Relay Channels: Error Exponents and Resource Allocation | In a two-way relay network, two terminals exchange information over a shared wireless half-duplex channel with the help of a relay. Due to its fundamental and practical importance, there has been an increasing interest in this channel. However, surprisingly, there has been little work that characterizes the fundamental... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "h ngo_1",
"name": "Hien [\"Quoc\"] Ngo",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "t quek_1",
"name": "Tony [\"Q.\",\"S.\"] Quek",
"publication_history": null,
"h_index": null,
"num_paper... | null |
1698940 | 0901.2090 | 2009-01-14 | Two-Bit Message Passing Decoders for LDPC Codes Over the Binary Symmetric Channel | In this paper, we consider quantized decoding of LDPC codes on the binary symmetric channel. The binary message passing algorithms, while allowing extremely fast hardware implementation, are not very attractive from the perspective of performance. More complex decoders such as the ones based on belief propagation exhib... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "687896",
"num_citations": null
}
] | [
{
"author_id": "s chilappagari_0",
"name": "Shashi [\"Kiran\"] Chilappagari",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "d declercq_1",
"name": "David Declercq",
"publication_history": null,
"h_index": null,
... | null |
10117308 | 0901.1940 | 2009-01-14 | Exact dynamics of driven Brownian oscillators | Exact quantum master equation for a driven Brownian oscillator system is constructed via a Wigner phase-space Gaussian wave packet approach. The interplay between external field and dissipation leads to this system an effective field correction that enhances the polarization. This cooperative property is resulted from ... | [
"cond-mat.stat-mech",
"cond-mat.mes-hall"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "r xu_54",
"name": "Ruixue Xu",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "b tian_2",
"name": "Bao-Ling Tian",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_cit... | null |
13987933 | 0901.2047 | 2009-01-14 | Using the minimum spanning tree to trace mass segregation | We present a new method to detect and quantify mass segregation in star clusters. It compares the minimum spanning tree (MST) of massive stars with that of random stars. If mass segregation is present, the MST length of the most massive stars will be shorter than that of random stars. This difference can be quantified ... | [
"astro-ph.GA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8949865 | 0901.2130 | 2009-01-14 | Hiding Quiet Solutions in Random Constraint Satisfaction Problems | We study constraint satisfaction problems on the so-called 'planted' random ensemble. We show that for a certain class of problems, e.g. graph coloring, many of the properties of the usual random ensemble are quantitatively identical in the planted random ensemble. We study the structural phase transitions, and the eas... | [
"cond-mat.stat-mech",
"cond-mat.dis-nn",
"cs.AI",
"cs.CC"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "f krzakala_1",
"name": "Florent Krzakala",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "l zdeborová_1",
"name": "Lenka Zdeborová",
"publication_history": null,
"h_index": null,
"num_papers":... | null |
16665706 | 0901.2144 | 2009-01-14 | A spectacular giant arc in the massive cluster lens MACSJ1206.2-0847 | We discuss the X-ray and optical properties of the massive galaxy cluster MACSJ1206.2-0847 (z=0.4385), discovered in the Massive Cluster Survey (MACS). Our Chandra observation of the system yields a total X-ray luminosity of 2.4 x 10^45 erg/s (0.1-2.4 keV) and a global gas temperature of (11.6 +/- 0.7) keV, very high v... | [
"astro-ph.HE"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15109352 | 0901.2108 | 2009-01-15 | Multi-String Theories, Massive Gravity and the AdS/CFT Correspondence | Infrared modifications of gravity have been proposed over the years as potentially useful phenomenological models. Massive (multi)-gravity is an interesting class of such theories. The true nature and the ultimate consistency of many of these models remains, however, unclear as one is frequently faced with important pr... | [
"hep-th"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "v niarchos_1",
"name": "Vasilis Niarchos",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
14317437 | 0901.2175 | 2009-01-15 | Frequency responses of streamwise-constant perturbations in channel flows of Oldroyd-B fluids | Non-modal amplification of disturbances in streamwise-constant channel flows of Oldroyd-B fluids is studied from an input-output point of view by analyzing the responses of the velocity components to spatio-temporal body forces. These inputs into the governing equations are assumed to be harmonic in the spanwise direct... | [
"physics.flu-dyn"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118466787 | 0901.2206 | 2009-01-15 | The CoRoT satellite in flight : description and performance | CoRoT is a space telescope dedicated to stellar seismology and the search for extrasolar planets. The mission is led by CNES in association with French laboratories and has a large international participation: the European Space Agency (ESA), Austria, Belgium and Germany contribute to the payload, and Spain and Brazil ... | [
"astro-ph.SR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118579033 | 0901.2338 | 2009-01-15 | Thermal Noise and Stochastic Strings in AdS/CFT | We clarify the structure of thermal noise in AdS/CFT by studying the dynamics of an equilibrated heavy quark string. Using the Kruskal extension of the correspondence to generate the dynamics of the field theory on the Keldysh contour, we show that the motion of the string is described by the classical equations of mot... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8545822 | 0901.2218 | 2009-01-15 | Slepian-Wolf Coding over Cooperative Networks | We present sufficient conditions for multicasting a set of correlated sources over cooperative networks. We propose joint source-Wyner-Ziv encoding/sliding-window decoding scheme, in which each receiver considers an ordered partition of other nodes. Subject to this scheme, we obtain a set of feasibility constraints for... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m yassaee_1",
"name": "Mohammad [\"Hossein\"] Yassaee",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "m aref_1",
"name": "Mohammad [\"Reza\"] Aref",
"publication_history": null,
"h_index": null,
... | null |
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