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 ⌀ |
|---|---|---|---|---|---|---|---|---|---|---|
14189826 | math/0503583 | 2005-03-25 | Concentration of normalized sums and a central limit theorem for noncorrelated random variables | For noncorrelated random variables, we study a concentration property of the family of distributions of normalized sums formed by sequences of times of a given large length. | [
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119492145 | math/0503597 | 2005-03-25 | Global L_2-solutions of stochastic Navier-Stokes equations | This paper concerns the Cauchy problem in R^d for the stochastic Navier-Stokes equation \partial_tu=\Delta u-(u,\nabla)u-\nabla p+f(u)+ [(\sigma,\nabla)u-\nabla \tilde p+g(u)]\circ \dot W, u(0)=u_0,\qquad divu=0, driven by white noise \dot W. Under minimal assumptions on regularity of the coefficients and random forces... | [
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119734302 | math/0503598 | 2005-03-25 | Central limit theorems for sequences of multiple stochastic integrals | We characterize the convergence in distribution to a standard normal law for a sequence of multiple stochastic integrals of a fixed order with variance converging to 1. Some applications are given, in particular to study the limiting behavior of quadratic functionals of Gaussian processes. | [
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119594381 | math/0503612 | 2005-03-26 | Problem reduction, renormalization, and memory | Methods for the reduction of the complexity of computational problems are presented, as well as their connections to renormalization, scaling, and irreversible statistical mechanics. Several statistically stationary cases are analyzed; for time dependent problems averaging usually fails, and averaged equations must be ... | [
"math.NA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
676128 | astro-ph/0503575 | 2005-03-26 | A Photometric Diagnostic to Aid in the Identification of Transiting Extra-Solar Planets | One of the obstacles in the search for exoplanets via transits is the large number of candidates that must be followed up, few of which ultimately prove to be exoplanets. Any method that could make this process more efficient by somehow identifying the best candidates and eliminating the worst would therefore be very u... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3205159 | cs/0503072 | 2005-03-26 | Distributed Learning in Wireless Sensor Networks | The problem of distributed or decentralized detection and estimation in applications such as wireless sensor networks has often been considered in the framework of parametric models, in which strong assumptions are made about a statistical description of nature. In certain applications, such assumptions are warranted a... | [
"cs.IT",
"cs.LG",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15724002 | astro-ph/0503582 | 2005-03-27 | Can superhorizon cosmological perturbations explain the acceleration of the universe? | We investigate the recent suggestions by Barausse et al. (astro-ph/0501152) and Kolb et al. (hep-th/0503117) that the acceleration of the universe could be explained by large superhorizon fluctuations generated by inflation. We show that no acceleration can be produced by this mechanism. We begin by showing how the app... | [
"astro-ph",
"hep-th"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "c hirata_1",
"name": "Christopher [\"M.\"] Hirata",
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{
"author_id": "u seljak_2",
"name": "Uroš Seljak",
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117481745 | cond-mat/0503632 | 2005-03-27 | Magnetic Vortex Resonance in Patterned Ferromagnetic Dots | We report a high-resolution experimental detection of the resonant behavior of magnetic vortices confined in small disk-shaped ferromagnetic dots. The samples are magnetically soft Fe-Ni disks of diameter 1.1 and 2.2 um, and thickness 20 and 40 nm patterned via electron beam lithography onto microwave co-planar wavegui... | [
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15396488 | astro-ph/0503580 | 2005-03-27 | Transit Lightcurve Signatures of Artificial Objects | The forthcoming space missions, able to detect Earth-like planets by the transit method, will a fortiori also be able to detect the transit of artificial planet-size objects. Multiple artificial objects would produce lightcurves easily distinguishable from natural transits. If only one artificial object transits, detec... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
854406 | cs/0503076 | 2005-03-28 | Geometric Models of Rolling-Shutter Cameras | Cameras with rolling shutters are becoming more common as low-power, low-cost CMOS sensors are being used more frequently in cameras. The rolling shutter means that not all scanlines are exposed over the same time interval. The effects of a rolling shutter are noticeable when either the camera or objects in the scene a... | [
"cs.CV",
"cs.RO"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
4569158 | astro-ph/0503601 | 2005-03-28 | Cool White Dwarfs in the Sloan Digital Sky Survey | A reduced proper motion diagram utilizing Sloan Digital Sky Survey (SDSS) photometry and astrometry and USNO-B plate astrometry is used to separate cool white dwarf candidates from metal-weak, high-velocity main sequence Population II stars (subdwarfs) in the SDSS Data Release 2 imaging area. Follow-up spectroscopy usi... | [
"astro-ph"
] | null | [
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{
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"name": "Mukremin Kilic",
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{
"author_id": "j munn_1",
"name": "Jeffrey [\"A.\"] Munn",
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6813194 | math/0503680 | 2005-03-29 | Nonparametric estimation of scalar diffusions based on low frequency data | We study the problem of estimating the coefficients of a diffusion (X_t,t\geq 0); the estimation is based on discrete data X_{n\Delta},n=0,1,...,N. The sampling frequency \Delta^{-1} is constant, and asymptotics are taken as the number N of observations tends to infinity. We prove that the problem of estimating both th... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16532879 | math/0503673 | 2005-03-29 | On the posterior distribution of the number of components in a finite mixture | The posterior distribution of the number of components k in a finite mixture satisfies a set of inequality constraints. The result holds irrespective of the parametric form of the mixture components and under assumptions on the prior distribution weaker than those routinely made in the literature on Bayesian analysis o... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
88518370 | math/0503672 | 2005-03-29 | New approaches to Bayesian consistency | We use martingales to study Bayesian consistency. We derive sufficient conditions for both Hellinger and Kullback-Leibler consistency, which do not rely on the use of a sieve. Alternative sufficient conditions for Hellinger consistency are also found and demonstrated on examples. | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3151767 | math/0503668 | 2005-03-29 | The Hough transform estimator | This article pursues a statistical study of the Hough transform, the celebrated computer vision algorithm used to detect the presence of lines in a noisy image. We first study asymptotic properties of the Hough transform estimator, whose objective is to find the line that ``best'' fits a set of planar points. In partic... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history"
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{
"author_id": "a goldenshluger_1",
"name": "Alexander Goldenshluger",
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{
"author_id": "a zeevi_1",
"name": "Assaf [\"J.\"] Zeevi",
"publication_history": null,
"h_index": null,
... | null |
8102939 | math/0503681 | 2005-03-29 | Asymptotic properties of the maximum likelihood estimator in autoregressive models with Markov regime | An autoregressive process with Markov regime is an autoregressive process for which the regression function at each time point is given by a nonobservable Markov chain. In this paper we consider the asymptotic properties of the maximum likelihood estimator in a possibly nonstationary process of this kind for which the ... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
31706268 | cond-mat/0503686 | 2005-03-29 | Entropy production along a stochastic trajectory and an integral fluctuation theorem | For stochastic non-equilibrium dynamics like a Langevin equation for a colloidal particle or a master equation for discrete states, entropy production along a single trajectory is studied. It involves both genuine particle entropy and entropy production in the surrounding medium. The integrated sum of both $\Delta s\t$... | [
"cond-mat.stat-mech",
"cond-mat.soft"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
6443726 | math/0503651 | 2005-03-29 | Moment inequalities for functions of independent random variables | A general method for obtaining moment inequalities for functions of independent random variables is presented. It is a generalization of the entropy method which has been used to derive concentration inequalities for such functions [Boucheron, Lugosi and Massart Ann. Probab. 31 (2003) 1583-1614], and is based on a gene... | [
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
4406450 | cond-mat/0503687 | 2005-03-29 | Triplet-Singlet Spin Relaxation via Nuclei in a Double Quantum Dot | The spin of a confined electron, when oriented originally in some direction, will lose memory of that orientation after some time. Physical mechanisms leading to this relaxation of spin memory typically involve either coupling of the electron spin to its orbital motion or to nuclear spins. Relaxation of confined electr... | [
"cond-mat.mes-hall"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
4539899 | math/0503662 | 2005-03-29 | An adaptation theory for nonparametric confidence intervals | A nonparametric adaptation theory is developed for the construction of confidence intervals for linear functionals. A between class modulus of continuity captures the expected length of adaptive confidence intervals. Sharp lower bounds are given for the expected length and an ordered modulus of continuity is used to co... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8926121 | math/0503674 | 2005-03-29 | Equivalence theory for density estimation, Poisson processes and Gaussian white noise with drift | This paper establishes the global asymptotic equivalence between a Poisson process with variable intensity and white noise with drift under sharp smoothness conditions on the unknown function. This equivalence is also extended to density estimation models by Poissonization. The asymptotic equivalences are established b... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17862536 | astro-ph/0503643 | 2005-03-30 | Probing the Origins of Voids in the Distribution of Galaxies | If the voids that we see today in the distribution of galaxies existed at recombination, they will leave an imprint on the cosmic microwave background (CMB). On the other hand, if these voids formed much later, their effect on the CMB will be negligible and will not be observed with the current generation of experiment... | [
"astro-ph"
] | null | [
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{
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] | [
{
"author_id": "l ord_1",
"name": "Louise [\"M.\"] Ord",
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{
"author_id": "m kunz_3",
"name": "Martin Kunz",
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... | null |
23775565 | cs/0503086 | 2005-03-30 | Segmentation of the Homogeneity of a Signal Using a Piecewise Linear Recognition Tool | In this paper a new method of detection of homogeneous zones and singularity parts of a 1D signal is proposed. The entropy function is used to transform signal in piecewise linear one. The multiple regression permits to detect lines and project them in the Hough parameters space in order to easily recognise homogeneous... | [
"math.NA",
"cs.NA"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j morlier_1",
"name": "Joseph Morlier",
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}
] | null |
18193859 | physics/0503232 | 2005-03-31 | Perfect electromagnetic conductor | In differential-form representation, the Maxwell equations are represented by simple differential relations between the electromagnetic two-forms and source three-forms while the electromagnetic medium is defined through a constitutive relation between the two-forms. The simplest of such relations expresses the electro... | [
"physics.class-ph",
"physics.gen-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18365852 | astro-ph/0503713 | 2005-03-31 | The C4 Clustering Algorithm: Clusters of Galaxies in the Sloan Digital Sky Survey | We present the "C4 Cluster Catalog", a new sample of 748 clusters of galaxies identified in the spectroscopic sample of the Second Data Release (DR2) of the Sloan Digital Sky Survey (SDSS). The C4 cluster--finding algorithm identifies clusters as overdensities in a seven-dimensional position and color space, thus minim... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5793486 | hep-ex/0503054 | 2005-03-31 | European underground laboratories: An overview | Underground laboratories are complementary to those where the research in fundamental physics is made using accelerators. This report focus on the logistic and on the background features of the most relevant laboratories in Europe, stressing also on the low background facilities available. In particular the report is f... | [
"hep-ex"
] | null | [
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] | [] | [
{
"author_id": "l miramonti_1",
"name": "Lino Miramonti",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
53456060 | physics/0503241 | 2005-03-31 | On Holmboe's instability for smooth shear and density profiles | The linear stability of a stratified shear flow for smooth density profiles is studied. This work focuses on the nature of the stability boundaries of flows in which both Kelvin-Helmholtz and Holmboe instabilities are present. For a fixed Richardson number the unstable modes are confined to finite bands between a small... | [
"physics.flu-dyn",
"physics.ao-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14393150 | astro-ph/0503714 | 2005-03-31 | Detection of anomalous microwave emission in the Perseus molecular cloud with the COSMOSOMAS experiment | We present direct evidence for anomalous microwave emission in the Perseus molecular cloud, which shows a clear rising spectrum from 11 to 17 GHz in the data of the COSMOSOMAS experiment. By extending the frequency coverage using WMAP maps convolved with the COSMOSOMAS scanning pattern we reveal a peak flux density of ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119426150 | hep-th/0503245 | 2005-03-31 | Correspondence principle for a brane in Minkowski space and vector mesons | We consider a 3-brane of positive cosmological constant (de Sitter) in D-dimensional Minkowski space. We show that the Poincare algebra in the bulk yields a SO(4,2) algebra when restricted to the brane. In the limit of zero cosmological constant (flat brane), this algebra turns into the conformal algebra on the brane. ... | [
"hep-th"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "g siopsis_1",
"name": "George Siopsis",
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"h_index": null,
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}
] | null |
15549374 | hep-ph/0503293 | 2005-03-31 | W+jets Matrix Elements and the Dipole Cascade | We extend the algorithm for matching fixed-order tree-level matrix element generators with the Dipole Cascade Model in Ariadne to apply to processes with incoming hadrons. We test the algoritm on for the process W+n jets at the Tevatron, and find that the results are fairly insensitive to the cutoff used to regularize ... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1421580 | cs/0504003 | 2005-04-01 | Multiple Description Quantization via Gram-Schmidt Orthogonalization | The multiple description (MD) problem has received considerable attention as a model of information transmission over unreliable channels. A general framework for designing efficient multiple description quantization schemes is proposed in this paper. We provide a systematic treatment of the El Gamal-Cover (EGC) achiev... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17326286 | math/0504022 | 2005-04-01 | Univariate spline quasi-interpolants and applications to numerical analysis | We describe some new univariate spline quasi-interpolants on uniform partitions of bounded intervals. Then we give some applications to numerical analysis: integration, differentiation and approximation of zeros. | [
"math.NA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8735717 | hep-th/0504010 | 2005-04-01 | D-branes and SQCD in Non-Critical Superstring Theory | Using exact boundary conformal field theory methods we analyze the D-brane physics of a specific four-dimensional non-critical superstring theory which involves the N=2 SL(2)/U(1) Kazama-Suzuki model at level 1. Via the holographic duality of hep-th/9907178 our results are relevant for D-brane dynamics in the backgroun... | [
"hep-th"
] | null | [
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{
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{
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{
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... | [
{
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"author_id": "v niarchos_1",
"name": "Vasilis Niarchos",
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45623621 | astro-ph/0504045 | 2005-04-02 | The inflationary prediction for primordial non-gaussianity | We extend the \delta N formalism so that it gives all of the stochastic properties of the primordial curvature perturbation \zeta if the initial field perturbations are gaussian. The calculation requires only the knowledge of some family of unperturbed universes. A formula is given for the normalisation \fnl of the bis... | [
"astro-ph",
"gr-qc",
"hep-ph",
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
34818091 | cond-mat/0504041 | 2005-04-03 | Quantum Hydrodynamics, Quantum Benjamin-Ono Equation, and Calogero Model | Collective field theory for Calogero model represents particles with fractional statistics in terms of hydrodynamic modes -- density and velocity fields. We show that the quantum hydrodynamics of this model can be written as a single evolution equation on a real holomorphic Bose field -- quantum integrable Benjamin-Ono... | [
"cond-mat.str-el",
"hep-th",
"math-ph",
"math.MP",
"nlin.SI"
] | null | [
"target.author.publication_history"
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{
"author_id": "a abanov_1",
"name": "Alexander [\"G.\"] Abanov",
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{
"author_id": "p wiegmann_1",
"name": "Paul [\"B.\"] Wiegmann",
"publication_history": null,
"h_index": null,
... | null |
5280121 | physics/0504025 | 2005-04-04 | Comparative Graph Theoretical Characterization of Networks of Spam and Legitimate Email | Email is an increasingly important and ubiquitous means of communication, both facilitating contact between private individuals and enabling rises in the productivity of organizations. However the relentless rise of automatic unauthorized emails, a.k.a. spam is eroding away much of the attractiveness of email communica... | [
"physics.soc-ph",
"cond-mat.dis-nn"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1436529 | cs/0504010 | 2005-04-04 | Reversible Fault-Tolerant Logic | It is now widely accepted that the CMOS technology implementing irreversible logic will hit a scaling limit beyond 2016, and that the increased power dissipation is a major limiting factor. Reversible computing can potentially require arbitrarily small amounts of energy. Recently several nano-scale devices which have t... | [
"cs.IT",
"math.IT",
"quant-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "p boykin_1",
"name": "P. [\"Oscar\"] Boykin",
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},
{
"author_id": "v roychowdhury_1",
"name": "Vwani [\"P.\"] Roychowdhury",
"publication_history": null,
"h_index": null,... | null |
117711234 | cond-mat/0504077 | 2005-04-04 | Origins of low- and high-pressure discontinuities of $T_{c}$ in niobium | The discontinuities of $T_{c}$ in Niobium under pressure are examined by means of the pseudopotential plane-wave implementation of the electron-phonon coupling calculated from density-functional perturbation theory. Both low- and high-pressure discontinuities of $T_{c}$ have their origin in the Kohn anomalies and are c... | [
"cond-mat.supr-con",
"cond-mat.mtrl-sci"
] | null | [
"target.key_reference"
] | null | null | null |
47355909 | physics/0504026 | 2005-04-04 | Let Your CyberAlter Ego Share Information and Manage Spam | Almost all of us have multiple cyberspace identities, and these {\em cyber}alter egos are networked together to form a vast cyberspace social network. This network is distinct from the world-wide-web (WWW), which is being queried and mined to the tune of billions of dollars everyday, and until recently, has gone largel... | [
"physics.soc-ph",
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"cs.CY",
"cs.NI"
] | null | [
"target.author.publication_history"
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{
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] | [
{
"author_id": "j kong_11",
"name": "Joseph [\"S.\"] Kong",
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},
{
"author_id": "p boykin_1",
"name": "P. [\"Oscar\"] Boykin",
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40972868 | hep-ph/0504017 | 2005-04-04 | BCVEGPY2.0: A upgrade version of the generator BCVEGPY with an addendum about hadroproduction of the $P$-wave $B_c$ states | The generator BCVEGPY is upgraded by adding the hadroproduction of the $P$-wave excited $B_c$ states (denoted by $B_{cJ,L=1}^*$ or by $h_{B_c}$ and $\chi_{B_c}$) and by improving some features of the original one as well. We denote it as BCVEGPY2.0. The $P$-wave production is also calculated by taking only the dominant... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17102882 | astro-ph/0504060 | 2005-04-04 | Formation of Kuiper-belt binaries through multiple chaotic scattering encounters with low-mass intruders | The discovery that many trans-neptunian objects exist in pairs, or binaries, is proving invaluable for shedding light on the formation, evolution and structure of the outer Solar system. Based on recent systematic searches it has been estimated that up to 10% of Kuiper-belt objects might be binaries. However, all examp... | [
"astro-ph",
"math.DS",
"nlin.CD"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119046849 | hep-ph/0504026 | 2005-04-05 | Resolving Neutrino Mass Hierarchy and CP Degeneracy by Two Identical Detectors with Different Baselines | We explore the possibility of simultaneous determination of neutrino mass hierarchy and the CP violating phase by using two identical detectors placed at different baseline distances. We focus on a possible experimental setup using neutrino beam from J-PARC facility in Japan with beam power of 4MW and megaton (Mton)-cl... | [
"hep-ph",
"hep-ex"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6893438 | cs/0504016 | 2005-04-05 | Shortened Array Codes of Large Girth | One approach to designing structured low-density parity-check (LDPC) codes with large girth is to shorten codes with small girth in such a manner that the deleted columns of the parity-check matrix contain all the variables involved in short cycles. This approach is especially effective if the parity-check matrix of a ... | [
"cs.DM",
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "o milenkovic_1",
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},
{
"author_id": "n kashyap_1",
"name": "Navin Kashyap",
"publication_history": null,
"h_index": null,
"num_papers": ... | null |
15732113 | math-ph/0504016 | 2005-04-05 | Central potentials on spaces of constant curvature: The Kepler problem on the two-dimensional sphere $S^2$ and the hyperbolic plane $H^2$ | The Kepler problem is a dynamical system that is well defined not only on the Euclidean plane but also on the sphere and on the Hyperbolic plane. First, the theory of central potentials on spaces of constant curvature is studied. All the mathematical expressions are presented using the curvature $\k$ as a parameter, in... | [
"math-ph",
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] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15390017 | astro-ph/0504097 | 2005-04-05 | Simulating the joint evolution of quasars, galaxies and their large-scale distribution | The cold dark matter model has become the leading theoretical paradigm for the formation of structure in the Universe. Together with the theory of cosmic inflation, this model makes a clear prediction for the initial conditions for structure formation and predicts that structures grow hierarchically through gravitation... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8614019 | math/0504071 | 2005-04-05 | Reproducing kernel Hilbert spaces and Mercer theorem | We characterize the reproducing kernel Hilbert spaces whose elements are $p$-integrable functions in terms of the boundedness of the integral operator whose kernel is the reproducing kernel. Moreover, for $p=2$ we show that the spectral decomposition of this integral operator gives a complete description of the reprodu... | [
"math.FA",
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history"
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{
"author_id": "c carmeli_1",
"name": "Claudio Carmeli",
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},
{
"author_id": "e vito_1",
"name": "Ernesto [\"de\"] Vito",
"publication_history": null,
"h_index": null,
"num_papers": ... | null |
55711062 | astro-ph/0504140 | 2005-04-06 | The Leiden/Argentine/Bonn (LAB) Survey of Galactic HI: Final data release of the combined LDS and IAR surveys with improved stray-radiation corrections | We present the final data release of observations of lambda 21-cm emission from Galactic neutral hydrogen over the entire sky, merging the Leiden/Dwingeloo Survey (LDS: Hartmann & Burton, 1997) of the sky north of delta = -30 deg with the Instituto Argentino de Radioastronomia Survey (IAR: Arnal et al., 2000, and Bajaj... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16256304 | astro-ph/0504154 | 2005-04-06 | Spectroscopic metallicities for planet-host stars: extending the samples | We present stellar parameters and metallicities for 29 planet-host stars, as well as for a large volume-limited sample of 53 stars not known to be orbited by any planetary-mass companion. These stars add to the results presented in our previous series of papers, providing two large and uniform samples of 119 planet-hos... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3206349 | cond-mat/0504185 | 2005-04-07 | Disaster Management in Scale-Free Networks: Recovery from and Protection Against Intentional Attacks | Susceptibility of scale free Power Law (PL) networks to attacks has been traditionally studied in the context of what may be termed as {\em instantaneous attacks}, where a randomly selected set of nodes and edges are deleted while the network is kept {\em static}. In this paper, we shift the focus to the study of {\em ... | [
"cond-mat.stat-mech",
"cs.DS",
"cs.NI",
"physics.data-an",
"physics.soc-ph"
] | null | [
"target.author.publication_history"
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{
"author_id": "b rezaei_2",
"name": "Behnam [\"Attaran\"] Rezaei",
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},
{
"author_id": "n sarshar_1",
"name": "Nima Sarshar",
"publication_history": null,
"h_index": null,
"num_pape... | null |
555287 | math/0504155 | 2005-04-07 | Braided Symmetric and Exterior Algebras | We introduce and study symmetric and exterior algebras in braided monoidal categories such as the category O for quantum groups. We relate our braided symmetric algebras and braided exterior algebas with their classical counterparts. | [
"math.QA",
"math.RT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119097350 | astro-ph/0504193 | 2005-04-07 | Elemental Abundance Ratios in Stars of the Outer Galactic Disk. I. Open Clusters | We summarize radial velocity studies of selected stars in the old, distant clusters Berkeley 20, Berkeley 21, NGC 2141, Berkeley 29, and Berkeley 31. Three members of M67 were observed similarly, and those velocities compare extremely well with prior measures. We measured the chemical compositions of all six clusters f... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
54934311 | math/0504136 | 2005-04-07 | Contractive metrics for scalar conservation laws | We consider nondecreasing entropy solutions to 1-d scalar conservation laws and show that the spatial derivatives of such solutions satisfy a contraction property with respect to the Wasserstein distance of any order. This result extends the L^1-contraction property shown by Kruzkov. | [
"math.AP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3262293 | quant-ph/0504050 | 2005-04-07 | The complexity of quantum spin systems on a two-dimensional square lattice | The problem 2-LOCAL HAMILTONIAN has been shown to be complete for the quantum computational class QMA, see quant-ph/0406180. In this paper we show that this important problem remains QMA-complete when the interactions of the 2-local Hamiltonian are between qubits on a two-dimensional (2-D) square lattice. Our results a... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6706846 | cs/0504028 | 2005-04-07 | On Extrinsic Information of Good Codes Operating Over Discrete Memoryless Channels | We show that the Extrinsic Information about the coded bits of any good (capacity achieving) code operating over a wide class of discrete memoryless channels (DMC) is zero when channel capacity is below the code rate and positive constant otherwise, that is, the Extrinsic Information Transfer (EXIT) chart is a step fun... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "10687781",
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}
] | [
{
"author_id": "m peleg_1",
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{
"author_id": "a sanderovich_1",
"name": "Amichai Sanderovich",
"publication_history": null,
"h_index": null,
"num_papers":... | null |
26130532 | cond-mat/0504196 | 2005-04-08 | Characterization of Fluctuations of Impedance and Scattering Matrices in Wave Chaotic Scattering | In wave chaotic scattering, statistical fluctuations of the scattering matrix $S$ and the impedance matrix $Z$ depend both on universal properties and on nonuniversal details of how the scatterer is coupled to external channels. This paper considers the impedance and scattering variance ratios, $VR_z$ and $VR_s$, where... | [
"cond-mat.mes-hall"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "x zheng_33",
"name": "Xing Zheng",
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},
{
"author_id": "s hemmady_1",
"name": "Sameer Hemmady",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
267863619 | cs/0504030 | 2005-04-08 | Sufficient conditions for convergence of the Sum-Product Algorithm | We derive novel conditions that guarantee convergence of the Sum-Product algorithm (also known as Loopy Belief Propagation or simply Belief Propagation) to a unique fixed point, irrespective of the initial messages. The computational complexity of the conditions is polynomial in the number of variables. In contrast wit... | [
"cs.IT",
"cs.AI",
"math.IT"
] | null | [
"target.author.publication_history",
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"target.key_reference"
] | [] | [
{
"author_id": "j mooij_1",
"name": "Joris [\"M.\"] Mooij",
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},
{
"author_id": "h kappen_1",
"name": "Hilbert [\"J.\"] Kappen",
"publication_history": null,
"h_index": null,
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11801026 | astro-ph/0504206 | 2005-04-08 | The impact of gas physics on strong cluster lensing | Previous studies of strong gravitational lensing by galaxy clusters neglected the potential impact of the intracluster gas. Here, we compare simulations of strong cluster lensing including gas physics at increasing levels of complexity, i.e. with adiabatic, cooling, star-forming, feedback-receiving, and thermally condu... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16717989 | astro-ph/0504194 | 2005-04-08 | Models of class II methanol masers based on improved molecular data | The class II masers of methanol are associated with the early stages of formation of high-mass stars. Modelling of these dense, dusty environments has demonstrated that pumping by infrared radiation can account for the observed masers. Collisions with other molecules in the ambient gas also play a significant role, but... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5767920 | hep-ex/0504018 | 2005-04-09 | Search for neutral supersymmetric Higgs bosons in multijet events at sqrt(s)=1.96 TeV | We have performed a search for neutral Higgs bosons produced in association with bottom quarks in $p\bar{p}$ collisions, using 260 $pb^{-1}$ of data collected with the D0 detector in Run II of the Fermilab Tevatron Collider. The cross sections for these processes are enhanced in many extensions of the standard model (S... | [
"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,
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"num_pa... | null |
14160167 | math/0504199 | 2005-04-10 | Ultrafilters and partial products of infinite cyclic groups | We consider, for infinite cardinals kappa and alpha <= kappa^+, the group Pi(kappa,< alpha) of sequences of integers, of length kappa, with non-zero entries in fewer than alpha positions. Our main result tells when Pi(kappa,< alpha) can be embedded in Pi(lambda,< beta). The proof involves some set-theoretic results, on... | [
"math.LO"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a blass_1",
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{
"author_id": "s shelah_1",
"name": "Saharon Shelah",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
450351 | quant-ph/0504075 | 2005-04-10 | Quantum Information and the PCP Theorem | We show how to encode $2^n$ (classical) bits $a_1,...,a_{2^n}$ by a single quantum state $|\Psi>$ of size O(n) qubits, such that: for any constant $k$ and any $i_1,...,i_k \in \{1,...,2^n\}$, the values of the bits $a_{i_1},...,a_{i_k}$ can be retrieved from $|\Psi>$ by a one-round Arthur-Merlin interactive protocol of... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16276146 | quant-ph/0504083 | 2005-04-11 | From optimal measurement to efficient quantum algorithms for the hidden subgroup problem over semidirect product groups | We approach the hidden subgroup problem by performing the so-called pretty good measurement on hidden subgroup states. For various groups that can be expressed as the semidirect product of an abelian group and a cyclic group, we show that the pretty good measurement is optimal and that its probability of success and un... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
733353 | astro-ph/0504248 | 2005-04-11 | The K20 survey. VII. The spectroscopic catalogue: spectral properties and evolution of the galaxy population | The K20 survey is a near infrared-selected, deep (Ks < 20) redshift survey targeting galaxies in two independent regions of the sky, the CDFS and the q0055-2659 field. The total Ks-selected sample includes 545 objects. Optical spectra for 525 of them have been obtained, providing 501 spectroscopic identifications (incl... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
141231 | physics/0504068 | 2005-04-11 | Surface Electromagnetic Waves Thermally Excited: Radiative Heat Transfer, Coherence Properties and Casimir Forces Revisited in the Near Field | We review in this article the influence of surface waves on the thermally excited electromagnetic field. We study in particular the field emitted at subwalength distances of material surfaces. After reviewing the main properties of surface waves, we introduce the fluctuation-dissipation theorem that allows to model the... | [
"physics.optics",
"cond-mat.mes-hall"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6668356 | cond-mat/0504302 | 2005-04-12 | Load distribution in small world networks | In this paper we introduce a new model of data packet transport, based on a stochastic approach with the aim of characterizing the load distribution on complex networks. Moreover we analyze the load standard deviation as an index of uniformity of the distribution of packets within the network, to characterize the effec... | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m di bernardo_1",
"name": "Mario di Bernardo",
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{
"author_id": "f garofalo_1",
"name": "Franco Garofalo",
"publication_history": null,
"h_index": null,
"num_paper... | null |
208073261 | math/0504246 | 2005-04-12 | Learning symmetric k-juntas in time n^o(k) | We give an algorithm for learning symmetric k-juntas (boolean functions of $n$ boolean variables which depend only on an unknown set of $k$ of these variables) in the PAC model under the uniform distribution, which runs in time n^{O(k/\log k)}. Our bound is obtained by proving the following result: Every symmetric bool... | [
"math.CO"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m kolountzakis_1",
"name": "Mihail [\"N.\"] Kolountzakis",
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},
{
"author_id": "e markakis_1",
"name": "Evangelos [\"K.\"] Markakis",
"publication_history": null,
"h_inde... | null |
118094391 | cond-mat/0504307 | 2005-04-12 | Hydrodynamics of correlated systems. Emptiness Formation Probability and Random Matrices | A hydrodynamic approach is used to calculate an asymptotics of the Emptiness Formation Probability - the probability of a formation of an empty space in the ground state of a quantum one-dimensional many body system. Quantum hydrodynamics of a system is represented as a Euclidian path integral over configurations of hy... | [
"cond-mat.str-el",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "14989934",
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}
] | [
{
"author_id": "a abanov_1",
"name": "Alexander [\"G.\"] Abanov",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
2228862 | math/0504273 | 2005-04-13 | Equation-free, multiscale computation for unsteady random diffusion | We present an ``equation-free'' multiscale approach to the simulation of unsteady diffusion in a random medium. The diffusivity of the medium is modeled as a random field with short correlation length, and the governing equations are cast in the form of stochastic differential equations. A detailed fine-scale computati... | [
"math.NA"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "d xiu_1",
"name": "Dongbin Xiu",
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},
{
"author_id": "i kevrekidis_1",
"name": "Ioannis [\"G.\"] Kevrekidis",
"publication_history": null,
"h_index": null,
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5375832 | cs/0504061 | 2005-04-13 | Summarization from Medical Documents: A Survey | Objective: The aim of this paper is to survey the recent work in medical documents summarization. Background: During the last decade, documents summarization got increasing attention by the AI research community. More recently it also attracted the interest of the medical research community as well, due to the enormous... | [
"cs.CL",
"cs.IR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3137192 | hep-th/0504110 | 2005-04-13 | Brane Dimers and Quiver Gauge Theories | We describe a technique which enables one to quickly compute an infinite number of toric geometries and their dual quiver gauge theories. The central object in this construction is a ``brane tiling,'' which is a collection of D5-branes ending on an NS5-brane wrapping a holomorphic curve that can be represented as a per... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
118919743 | cond-mat/0504323 | 2005-04-13 | Dissipationless Information Erasure and Landauer's Principle | It is widely accepted that information erasure entails heat dissipation. Here we analyze asymmetric memory states to show that this energy cost can be shuffled around to any step in a write-erase cycle and need not accompany the logically irreversible step in a computation. We discuss the resulting symmetry between log... | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m barkeshli_1",
"name": "Maissam Barkeshli",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
17585053 | astro-ph/0504297 | 2005-04-13 | Radio-Detection Signature of High Energy Cosmic Rays by the CODALEMA Experiment | Taking advantage of recent technical progress which has overcome some of the difficulties encountered in the 1960's in the radio detection of extensive air showers induced by ultra high energy cosmic rays (UHECR), a new experimental apparatus (CODALEMA) has been built and operated. We will present the characteristics o... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1025172 | cs/0504062 | 2005-04-13 | Conditional Hardness for Approximate Coloring | We study the coloring problem: Given a graph G, decide whether $c(G) \leq q$ or $c(G) \ge Q$, where c(G) is the chromatic number of G. We derive conditional hardness for this problem for any constant $3 \le q < Q$. For $q\ge 4$, our result is based on Khot's 2-to-1 conjecture [Khot'02]. For $q=3$, we base our hardness ... | [
"cs.CC",
"math.PR"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "263115528",
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}
] | [
{
"author_id": "i dinur_1",
"name": "Irit Dinur",
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},
{
"author_id": "e mossel_1",
"name": "Elchanan Mossel",
"publication_history": null,
"h_index": null,
"num_papers": null,
"... | null |
119365147 | quant-ph/0504100 | 2005-04-14 | Decompositions of general quantum gates | Quantum algorithms may be described by sequences of unitary transformations called quantum gates and measurements applied to the quantum register of n quantum bits, qubits. A collection of quantum gates is called universal if it can be used to construct any n-qubit gate. In 1995, the universality of the set of one-qubi... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17136642 | physics/0504094 | 2005-04-14 | A mathematical theory of citing | Recently we proposed a model in which when a scientist writes a manuscript, he picks up several random papers, cites them and also copies a fraction of their references (cond-mat/0305150). The model was stimulated by our discovery that a majority of scientific citations are copied from the lists of references used in o... | [
"physics.soc-ph",
"cond-mat.dis-nn",
"math.PR"
] | null | [
"target.author.publication_history",
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] | [
{
"corpus_id": "6035204",
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},
{
"corpus_id": "9345261",
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}
] | [
{
"author_id": "m simkin_1",
"name": "Mikhail [\"V.\"] Simkin",
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},
{
"author_id": "v roychowdhury_1",
"name": "Vwani [\"P.\"] Roychowdhury",
"publication_history": null,
"h_index": nul... | null |
695540 | q-bio/0504018 | 2005-04-14 | Neutral Theory and Relative Species Abundance in Ecology | The theory of island biogeography[1] asserts that an island or a local community approaches an equilibrium species richness as a result of the interplay between the immigration of species from the much larger metacommunity source area and local extinction of species on the island (local community). Hubbell[2] generaliz... | [
"q-bio.PE",
"q-bio.QM"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6414586 | gr-qc/0504062 | 2005-04-14 | The LTP Experiment on the LISA Pathfinder Mission | We report on the development of the LISA Technology Package (LTP) experiment that will fly on board the LISA Pathfinder mission of the European Space Agency in 2008. We first summarize the science rationale of the experiment aimed at showing the operational feasibility of the so called Transverse-Traceless coordinate f... | [
"gr-qc"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17046332 | math/0504330 | 2005-04-15 | Shokurov's Rational Connectedness Conjecture | We prove a conjecture of V. V. Shokurov which in particular implies that the fibers of a resolution of a variety with divisorial log terminal singularities are rationally chain connected. | [
"math.AG"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
12763101 | quant-ph/0504117 | 2005-04-15 | Fast simulation of stabilizer circuits using a graph state representation | According to the Gottesman-Knill theorem, a class of quantum circuits, namely the so-called stabilizer circuits, can be simulated efficiently on a classical computer. We introduce a new algorithm for this task, which is based on the graph-state formalism. It shows significant improvement in comparison to an existing al... | [
"quant-ph"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "s anders_1",
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},
{
"author_id": "h briegel_1",
"name": "Hans [\"J.\"] Briegel",
"publication_history": null,
"h_index": null,
"num_papers": n... | null |
1912 | cs/0504078 | 2005-04-16 | Adaptive Online Prediction by Following the Perturbed Leader | When applying aggregating strategies to Prediction with Expert Advice, the learning rate must be adaptively tuned. The natural choice of sqrt(complexity/current loss) renders the analysis of Weighted Majority derivatives quite complicated. In particular, for arbitrary weights there have been no results proven so far. T... | [
"cs.AI",
"cs.LG"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
53390213 | cond-mat/0504405 | 2005-04-16 | Periodic Homogenization for Inertial Particles | We study the problem of homogenization for inertial particles moving in a periodic velocity field, and subject to molecular diffusion. We show that, under appropriate assumptions on the velocity field, the large scale, long time behavior of the inertial particles is governed by an effective diffusion equation for the p... | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "g pavliotis_1",
"name": "Grigorios [\"A.\"] Pavliotis",
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},
{
"author_id": "a stuart_2",
"name": "Andrew [\"M.\"] Stuart",
"publication_history": null,
"h_index": null,
... | null |
59481725 | cond-mat/0504403 | 2005-04-16 | A Multiscale Approach to Brownian Motors | The problem of Brownian motion in a periodic potential, under the influence of external forcing, which is either random or periodic in time, is studied in this paper. Multiscale techniques are used to derive general formulae for the steady state particle current and the effective diffusion tensor. These formulae are th... | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "30243386",
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{
"corpus_id": "2350477",
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},
{
"corpus_id": "15327200",
"num_citations": null
}
] | [
{
"author_id": "g pavliotis_1",
"name": "Grigorios [\"A.\"] Pavliotis",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
9210315 | astro-ph/0504396 | 2005-04-18 | Accretion Disc Structure and Orientation in the Lensed and Microlensed Q0957+561 Quasar | Because quasars are unresolved in optical imaging, their structures must presently be inferred. Gravitational microlensing offers the possibility to produce information about the luminous structure provided the Einstein ring diameter of the microlensing particle is comparable to or smaller than the radiating quasar com... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
11330299 | hep-ex/0504032 | 2005-04-18 | Search for Supersymmetry via Associated Production of Charginos and Neutralinos in Final States with Three Leptons | A search for associated production of charginos and neutralinos is performed using data recorded with the D0 detector at a ppbar center-of-mass energy of 1.96 TeV at the Fermilab Tevatron Collider. This analysis considers final states with missing transverse energy and three leptons, of which at least two are electrons... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "v abazov_1",
"name": "Victor [\"Mukhamedovich\"] Abazov",
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"num_papers": null,
"num_citations": null
},
{
"author_id": "b abbott_2",
"name": "B. Abbott",
"publication_history": null,
"h_index": null,
"num_pa... | null |
60631 | cs/0504085 | 2005-04-18 | Capacity per Unit Energy of Fading Channels with a Peak Constraint | A discrete-time single-user scalar channel with temporally correlated Rayleigh fading is analyzed. There is no side information at the transmitter or the receiver. A simple expression is given for the capacity per unit energy, in the presence of a peak constraint. The simple formula of Verdu for capacity per unit cost ... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119425613 | cond-mat/0504438 | 2005-04-18 | Non-universality in Micro-branching Instabilities in Rapid Fracture: the Role of Material Properties | In spite of the apparent similarity of micro-branching instabilities in different brittle materials, we propose that the physics determining the typical length- and time-scales characterizing the post-instability patterns differ greatly from material to material. We offer a scaling theory connecting the pattern charact... | [
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "e bouchbinder_1",
"name": "Eran Bouchbinder",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "i procaccia_1",
"name": "Itamar Procaccia",
"publication_history": null,
"h_index": null,
"num_pape... | null |
54503511 | cond-mat/0504428 | 2005-04-18 | Comparison of methods for estimating continuous distributions of relaxation times | The nonparametric estimation of the distribution of relaxation times approach is not as frequently used in the analysis of dispersed response of dielectric or conductive materials as are other immittance data analysis methods based on parametric curve fitting techniques. Nevertheless, such distributions can yield impor... | [
"cond-mat.mtrl-sci",
"cond-mat.dis-nn"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
4833348 | cond-mat/0504471 | 2005-04-19 | Electronic-enthalpy functional for finite systems under pressure | We introduce the notion of electronic enthalpy for first-principles structural and dynamical calculations of finite systems under pressure. An external pressure field is allowed to act directly on the electronic structure of the system studied via the ground-state minimization of the functional $E+PV_{q}$, where $V_{q}... | [
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m cococcioni_2",
"name": "Matteo Cococcioni",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "f mauri_1",
"name": "Francesco Mauri",
"publication_history": null,
"h_index": null,
"num_papers": ... | null |
6528209 | cs/0504086 | 2005-04-19 | Componentwise Least Squares Support Vector Machines | This chapter describes componentwise Least Squares Support Vector Machines (LS-SVMs) for the estimation of additive models consisting of a sum of nonlinear components. The primal-dual derivations characterizing LS-SVMs for the estimation of the additive model result in a single set of linear equations with size growing... | [
"cs.LG",
"cs.AI"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "k pelckmans_1",
"name": "Kristiaan Pelckmans",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "i goethals_0",
"name": "Ivan Goethals",
"publication_history": null,
"h_index": null,
"num_papers"... | null |
17677808 | astro-ph/0504445 | 2005-04-20 | Interstellar deuterated ammonia: From NH3 to ND3 | We use spectra and maps of NH2D, ND2H, and ND3, obtained with the CSO, IRAM 30m and Arecibo telescopes, to study deuteration processes in dense cores. The data include the first detection of the hyperfine structure of ND2H. The emission of ND2H and ND3 does not seem to peak at the positions of the embedded protostars, ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13083701 | math/0504419 | 2005-04-20 | On the stability of the Kuramoto model of coupled nonlinear oscillators | We provide an analysis of the classic Kuramoto model of coupled nonlinear oscillators that goes beyond the existing results for all-to-all networks of identical oscillators. Our work is applicable to oscillator networks of arbitrary interconnection topology with uncertain natural frequencies. Using tools from spectral ... | [
"math.OC",
"math.DS"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "a jadbabaie_1",
"name": "Ali Jadbabaie",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "n motee_1",
"name": "Nader Motee",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
115930589 | quant-ph/0504149 | 2005-04-20 | Algebraic analysis of quantum search with pure and mixed states | An algebraic analysis of Grover's quantum search algorithm is presented for the case in which the initial state is an arbitrary pure quantum state of n qubits. This approach reveals the geometrical structure of the quantum search process, which turns out to be confined to a four-dimensional subspace of the Hilbert spac... | [
"quant-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "d shapira_1",
"name": "Dan Shapira",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "y shimoni_1",
"name": "Yishai Shimoni",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
6467955 | q-bio/0504026 | 2005-04-20 | Low Degree Metabolites Explain Essential Reactions and Enhance Modularity in Biological Networks | Recently there has been a lot of interest in identifying modules at the level of genetic and metabolic networks of organisms, as well as in identifying single genes and reactions that are essential for the organism. A goal of computational and systems biology is to go beyond identification towards an explanation of spe... | [
"q-bio.MN"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "a samal_1",
"name": "Areejit Samal",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "s singh_37",
"name": "Shalini Singh",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
116896251 | cond-mat/0504522 | 2005-04-20 | Effect of network topology on the ordering dynamics of voter models | We introduce and study the reverse voter model, a dynamics for spin variables similar to the well-known voter dynamics. The difference is in the way neighbors influence each other: once a node is selected and one among its neighbors chosen, the neighbor is made equal to the selected node, while in the usual voter dynam... | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
262285842 | q-bio/0504027 | 2005-04-20 | Extraclassical receptive field phenomena & short-range connectivity in V1 | Neural mechanisms of extraclassical receptive field phenomena in V1 are commonly assumed to result from long-range lateral connections and/or extrastriate feedback. We address two such phenomena: surround suppression and contrast dependent receptive field size. We present rigorous computational support for the hypothes... | [
"q-bio.NC",
"q-bio.QM"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j wielaard_0",
"name": "Jim Wielaard",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "p sajda_1",
"name": "Paul Sajda",
"publication_history": null,
"h_index": null,
"num_papers": null,
"n... | null |
656988 | cond-mat/0504535 | 2005-04-20 | Dynamical Exchanges in Facilitated Models of Supercooled liquids | We investigate statistics of dynamical exchange events in coarse--grained models of supercooled liquids in spatial dimensions $d=1$, 2, and 3. The models, based upon the concept of dynamical facilitation, capture generic features of statistics of exchange times and persistence times. Here, distributions for both times ... | [
"cond-mat.stat-mech",
"cond-mat.dis-nn"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "y jung_24",
"name": "YounJoon Jung",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "j garrahan_1",
"name": "Juan [\"P.\"] Garrahan",
"publication_history": null,
"h_index": null,
"num_papers":... | null |
9744264 | math/0504428 | 2005-04-21 | A spectral order method for inverting sectorial Laplace transforms | Laplace transforms which admit a holomorphic extension to some sector strictly containing the right half plane and exhibiting a potential behavior are considered. A spectral order, parallelizable method for their numerical inversion is proposed. The method takes into account the available information about the errors a... | [
"math.NA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8027390 | astro-ph/0504489 | 2005-04-21 | The Galex Ultraviolet Variability (GUVV) Catalog | We present Version 1.0 of the NASA Galaxy Evolution Explorer (GALEX) ultraviolet variability catalog (GUVV) that contains information on 84 time-variable and transient sources gained with simultaneous near and far ultraviolet photometric observations. These time-variable sources were serendipitously revealed in the var... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "12711093",
"num_citations": null
},
{
"corpus_id": "13892106",
"num_citations": null
}
] | [
{
"author_id": "b welsh_1",
"name": "Barry [\"Y.\"] Welsh",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "j wheatley_1",
"name": "Jonathan [\"M.\"] Wheatley",
"publication_history": null,
"h_index": null,
"n... | null |
1696031 | cs/0504091 | 2005-04-21 | A Probabilistic Upper Bound on Differential Entropy | A novel, non-trivial, probabilistic upper bound on the entropy of an unknown one-dimensional distribution, given the support of the distribution and a sample from that distribution, is presented. No knowledge beyond the support of the unknown distribution is required, nor is the distribution required to have a density.... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
14732537 | astro-ph/0504458 | 2005-04-21 | Detecting the stochastic gravitational wave background using pulsar timing | The direct detection of gravitational waves is a major goal of current astrophysics. We provide details of a new method for detecting a stochastic background of gravitational waves using pulsar timing data. Our results show that regular timing observations of 40 pulsars each with a timing accuracy of 100 nano-seconds w... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
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