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 ⌀ |
|---|---|---|---|---|---|---|---|---|---|---|
117043217 | astro-ph/0312610 | 2003-12-23 | The CMB Power Spectrum from the Background Emission Anisotropy Scanning Telescope (BEAST) Experiment | The Background Emission Anisotropy Scanning Telescope (BEAST) is a 2.2m off-axis telescope with an 8 element mixed Q (38-45GHz) and Ka (26-36GHz) band focal plane, designed for balloon borne and ground based studies of the Cosmic Microwave Background. Here we present the Cosmic Microwave Background (CMB) angular power ... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "i o'dwyer_1",
"name": "Ian O'Dwyer",
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},
{
"author_id": "m bersanelli_1",
"name": "Marco Bersanelli",
"publication_history": null,
"h_index": null,
"num_papers": nul... | null |
13489712 | cond-mat/0312617 | 2003-12-23 | Quantum criticality beyond the Landau-Ginzburg-Wilson paradigm | We present the critical theory of a number of zero temperature phase transitions of quantum antiferromagnets and interacting boson systems in two dimensions. The most important example is the transition of the S = 1/2 square lattice antiferromagnet between the Neel state (which breaks spin rotation invariance) and the ... | [
"cond-mat.str-el"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15156473 | astro-ph/0312609 | 2003-12-23 | XMM-Newton spectral and timing observations of the millisecond pulsar PSR J0218+4232 | We present XMM-Newton MOS imaging and PN timing data of the millisecond pulsar PSR J0218+4232. We confirm the previously detected pulsations of PSR J0218+4232 and we show that the folded lightcurve is dependent on energy. We present the broad band (0.2-10.0 keV) spectrum of this millisecond pulsar, as well as the spect... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14848525 | physics/0312142 | 2003-12-24 | From molecular dynamics to coarse self-similar solutions: A simple example using equation-free computation | In the context of the recently developed "equation-free" approach to the computer-assisted analysis of complex systems, we illustrate the computation of coarsely self-similar solutions. Dynamic renormalization and fixed point algorithms for the macroscopic density dynamics are applied to the results of short bursts of ... | [
"physics.comp-ph"
] | null | [
"target.author.publication_history"
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{
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{
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{
"corpus_id": "14658163",
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{
"author_id": "l chen_205",
"name": "L. Chen",
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},
{
"author_id": "p debenedetti_0",
"name": "Pablo [\"G.\"] Debenedetti",
"publication_history": null,
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11580920 | astro-ph/0312626 | 2003-12-26 | Hubble Diagrams of Type Ia Supernovae in the Near Infrared | From observations of 7 Type Ia supernovae obtained during the last four years at the Las Campanas and Cerro Tololo Inter-American Observatories, along with previous published data for 9 supernovae, we present JHK Hubble diagrams and derive absolute magnitudes at maximum light of 16 objects out to a redshift of 0.038. O... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8538060 | math-ph/0312072 | 2003-12-29 | Low regularity solutions to a gently stochastic nonlinear wave equation in nonequilibrium statistical mechanics | We consider a system of stochastic partial differential equations modeling heat conduction in a non-linear medium. We show global existence of solutions for the system in Sobolev spaces of low regularity, including spaces with norm beneath the energy norm. For the special case of thermal equilibrium, we also show the e... | [
"math-ph",
"math.MP",
"math.PR"
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{
"author_id": "l rey-bellet_1",
"name": "Luc Rey-Bellet",
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},
{
"author_id": "l thomas_1",
"name": "Lawrence [\"E.\"] Thomas",
"publication_history": null,
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10159259 | math/0312479 | 2003-12-29 | Global existence for the Einstein vacuum equations in wave coordinates | We prove global stability of Minkowski space for the Einstein vacuum equations in harmonic (wave) coordinate gauge for the set of restricted data coinciding with Schwartzschild solution in the neighborhood of space-like infinity. The result contradicts previous beliefs that wave coordinates are "unstable in the large" ... | [
"math.AP",
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"math-ph",
"math.MP"
] | null | [
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] | null | null | null |
119053749 | astro-ph/0312635 | 2003-12-29 | A Deep, Wide Field, Optical, and Near Infrared Catalog of a Large Area around the Hubble Deep Field North | We have conducted a deep multi-color imaging survey of 0.2 degrees^2 centered on the Hubble Deep Field North (HDF-N). We shall refer to this region as the Hawaii-HDF-N. Deep data were collected in U, B, V, R, I, and z' bands over the central 0.2 degrees^2 and in HK' over a smaller region covering the Chandra Deep Field... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
38894361 | cond-mat/0312682 | 2003-12-29 | Clustering and information in correlation based financial networks | Networks of companies can be constructed by using return correlations. A crucial issue in this approach is to select the relevant correlations from the correlation matrix. In order to study this problem, we start from an empty graph with no edges where the vertices correspond to stocks. Then, one by one, we insert edge... | [
"cond-mat.stat-mech"
] | null | [
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{
"author_id": "j onnela_1",
"name": "Jukka-Pekka Onnela",
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},
{
"author_id": "k kaski_1",
"name": "Kimmo [\"K.\"] Kaski",
"publication_history": null,
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"num_papers"... | null |
18074164 | cond-mat/0312701 | 2003-12-30 | Exact microscopic analysis of a thermal Brownian motor | We study a genuine Brownian motor by hard disk molecular dynamics and calculate analytically its properties, including its drift speed and thermal conductivity, from microscopic theory. | [
"cond-mat.stat-mech"
] | null | [
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] | [] | [
{
"author_id": "c broeck_1",
"name": "Chris [\"Van\",\"Den\"] Broeck",
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{
"author_id": "r kawai_1",
"name": "Ryoichi Kawai",
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"h_index": null,
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1160272 | cond-mat/0312688 | 2003-12-30 | Macroscopic limit cycle via pure noise-induced phase transition | Bistability generated via a pure noise-induced phase transition is reexamined from the view of bifurcations in macroscopic cumulant dynamics. It allows an analytical study of the phase diagram in more general cases than previous methods. In addition using this approach we investigate patially-extended systems with two ... | [
"cond-mat.stat-mech"
] | null | [
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] | [] | [
{
"author_id": "r kawai_1",
"name": "Ryoichi Kawai",
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{
"author_id": "x sailer_0",
"name": "X. Sailer",
"publication_history": null,
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16659969 | nucl-th/0312128 | 2003-12-31 | Hot Nuclear Matter in Asymmetry Chiral Sigma Model | In the frame work of SU(2) chiral sigma model, the nuclear matter properties at zero and finite temperature have been investigated. We have analyzed the nuclear matter equation of state by varying different parameters, which agrees well with the one derived from the heavy-ion collision experiment at extreme densities a... | [
"nucl-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
53560724 | math/0312531 | 2003-12-31 | Cosimplicial resolutions and homotopy spectral sequences in model categories | We develop a general theory of cosimplicial resolutions, homotopy spectral sequences, and completions for objects in model categories, extending work of Bousfield-Kan and Bendersky-Thompson for ordinary spaces. This is based on a generalized cosimplicial version of the Dwyer-Kan-Stover theory of resolution model catego... | [
"math.AT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18698321 | cs/0401004 | 2004-01-02 | Cyborg Systems as Platforms for Computer-Vision Algorithm-Development for Astrobiology | Employing the allegorical imagery from the film "The Matrix", we motivate and discuss our `Cyborg Astrobiologist' research program. In this research program, we are using a wearable computer and video camcorder in order to test and train a computer-vision system to be a field-geologist and field-astrobiologist. | [
"cs.CV",
"astro-ph",
"cs.AI"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1484642 | cond-mat/0401021 | 2004-01-03 | Vortex nucleation by collapsing bubbles in Bose-Einstein condensates | The nucleation of vortex rings accompanies the collapse of ultrasound bubbles in superfluids. Using the Gross-Pitaevskii equation for a uniform condensate we elucidate the various stages of the collapse of a stationary spherically symmetric bubble and establish conditions necessary for vortex nucleation. The minimum ra... | [
"cond-mat.soft"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "n berloff_1",
"name": "Natalia [\"G.\"] Berloff",
"publication_history": null,
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},
{
"author_id": "c barenghi_0",
"name": "Carlo [\"F.\"] Barenghi",
"publication_history": null,
"h_index": null,
... | null |
12004344 | math-ph/0401006 | 2004-01-05 | Calculation of some determinants using the s-shifted factorial | Several determinants with gamma functions as elements are evaluated. This kind of determinants are encountered in the computation of the probability density of the determinant of random matrices. The s-shifted factorial is defined as a generalization for non-negative integers of the power function, the rising factorial... | [
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119471702 | cond-mat/0401030 | 2004-01-05 | Berezinskii-Kosterlitz-Thouless transition in Josephson junction arrays | The quantum XY model shows a Berezinskii-Kosterlitz-Thouless (BKT) transition between a phase with quasi long-range order and a disordered one, like the corresponding classical model. The effect of the quantum fluctuations is to weaken the transition and eventually to destroy it. However, in this respect the mechanism ... | [
"cond-mat.mes-hall",
"cond-mat.stat-mech"
] | null | [
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{
"author_id": "l capriotti_1",
"name": "Luca Capriotti",
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{
"author_id": "a cuccoli_1",
"name": "Alessandro Cuccoli",
"publication_history": null,
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"num_papers":... | null |
119387677 | cond-mat/0401070 | 2004-01-06 | Interactions of vortices with rarefaction solitary waves in a Bose-Einstein condensate and their role in the decay of superfluid turbulence | There are several ways to create the vorticity-free solitary waves -- rarefaction pulses -- in condensates: by the process of strongly nonequilibrium condensate formation in a weakly interacting Bose gas, by creating local depletion of the condensate density by a laser beam, and by moving a small object with supercriti... | [
"cond-mat.soft"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "n berloff_1",
"name": "Natalia [\"G.\"] Berloff",
"publication_history": null,
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}
] | null |
13164301 | cond-mat/0401056 | 2004-01-06 | Unsteady Crack Motion and Branching in a Phase-Field Model of Brittle Fracture | Crack propagation is studied numerically using a continuum phase-field approach to mode III brittle fracture. The results shed light on the physics that controls the speed of accelerating cracks and the characteristic branching instability at a fraction of the wave speed. | [
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
11146028 | hep-th/0401024 | 2004-01-06 | Wormholes in AdS | We construct a few Euclidean supergravity solutions with multiple boundaries. We consider examples where the corresponding boundary field theory is well defined on each boundary. We point out that these configurations are puzzling from the AdS/CFT point of view. A proper understanding of the AdS/CFT dictionary for thes... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2721388 | gr-qc/0401016 | 2004-01-06 | Is the Lorentz signature of the metric of spacetime electromagnetic in origin? | We formulate a premetric version of classical electrodynamics in terms of the excitation H and the field strength F. A local, linear, and symmetric spacetime relation between H and F is assumed. It yields, if electric/magnetic reciprocity is postulated, a Lorentzian metric of spacetime thereby excluding Euclidean signa... | [
"gr-qc",
"hep-th",
"physics.class-ph"
] | null | [
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{
"author_id": "y itin_1",
"name": "Y. Itin",
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{
"author_id": "f hehl_1",
"name": "Friedrich [\"W.\"] Hehl",
"publication_history": null,
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... | null |
15203315 | astro-ph/0401052 | 2004-01-06 | A synthetic view on structure and evolution of the Milky Way | Since the Hipparcos mission and recent large scale surveys in the optical and the near-infrared, new constraints have been obtained on the structure and evolution history of the Milky Way. The population synthesis approach is a useful tool to interpret such data sets and to test scenarios of evolution of the Galaxy. We... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6474960 | hep-th/0401028 | 2004-01-06 | What is Quantum Theory of Gravity? | We present a line by line derivation of canonical quantum mechanics stemming from the compatibility of the statistical geometry of distinguishable observations with the canonical Poisson structure of Hamiltonian dynamics. This viewpoint can be naturally extended to provide a conceptually novel, non-perturbative formula... | [
"hep-th",
"gr-qc",
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18811015 | cond-mat/0401084 | 2004-01-07 | Structural Vulnerability of the North American Power Grid | The magnitude of the August 2003 blackout affecting the United States has put the challenges of energy transmission and distribution into limelight. Despite all the interest and concerted effort, the complexity and interconnectivity of the electric infrastructure have so far precluded us from understanding why certain ... | [
"cond-mat.dis-nn",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14259243 | astro-ph/0401067 | 2004-01-07 | Multifrequency Observations of Radio Pulse Broadening and Constraints on Interstellar Electron Density Microstructure | We have made observations of 98 low-Galactic-latitude pulsars to measure pulse broadening caused by multipath propagation through the interstellar medium. Data were collected with the 305-m Arecibo telescope at four radio frequencies between 430 and 2380 MHz. We used a CLEAN-based algorithm to deconvolve interstellar p... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
4856492 | cond-mat/0401074 | 2004-01-07 | Cascade control and defense in complex networks | Complex networks with heterogeneous distribution of loads may undergo a global cascade of overload failures when highly loaded nodes or edges are removed due to attacks or failures. Since a small attack or failure has the potential to trigger a global cascade, a fundamental question regards the possible strategies of d... | [
"cond-mat.dis-nn",
"cond-mat.stat-mech",
"nlin.AO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6381258 | cond-mat/0401105 | 2004-01-07 | Effective Temperatures in Driven Systems: Static vs. Time-Dependent Relations | Using simulations of glassy systems under steady-state shear, we compare effective temperatures obtained from static linear response with those from time-dependent fluctuation-dissipation relations. Although these two definitions are not expected to agree, we show that they yield the same answer over two and a half dec... | [
"cond-mat.soft",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "c o’hern_1",
"name": "Corey [\"S.\"] O’Hern",
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{
"author_id": "a liu_40",
"name": "Andrea [\"J.\"] Liu",
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3331563 | nlin/0401006 | 2004-01-07 | Elastic turbulence in curvilinear flows of polymer solutions | Following our first report (A. Groisman and V. Steinberg, $\sl Nature$ $\bf 405$, 53 (2000)) we present an extended account of experimental observations of elasticity induced turbulence in three different systems: a swirling flow between two plates, a Couette-Taylor (CT) flow between two cylinders, and a flow in a curv... | [
"nlin.CD"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16954037 | cond-mat/0401118 | 2004-01-08 | Diffuse-Charge Dynamics in Electrochemical Systems | The response of a model micro-electrochemical system to a time-dependent applied voltage is analyzed. The article begins with a fresh historical review including electrochemistry, colloidal science, and microfluidics. The model problem consists of a symmetric binary electrolyte between parallel-plate, blocking electrod... | [
"cond-mat.soft",
"cond-mat.mtrl-sci"
] | null | [
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{
"author_id": "m bazant_1",
"name": "Martin [\"Z.\"] Bazant",
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{
"author_id": "k thornton_1",
"name": "Katsuyo [\"S\"] Thornton",
"publication_history": null,
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"... | null |
2402653 | gr-qc/0401024 | 2004-01-08 | Exact Solutions of Einstein's Field Equations | We examine various well known exact solutions available in the literature to investigate the recent criterion obtained in ref. [20] which should be fulfilled by any static and spherically symmetric solution in the state of hydrostatic equilibrium. It is seen that this criterion is fulfilled only by (i) the regular solu... | [
"gr-qc"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18132819 | astro-ph/0401135 | 2004-01-08 | Modulations in the radio light curve of the Type IIb Supernova 2001ig: Evidence for a Wolf-Rayet binary progenitor? | We describe the radio evolution of SN 2001ig in NGC 7424, from 700 days of multi-frequency monitoring with the Australia Telescope Compact Array (ATCA) and the Very Large Array (VLA). We find that deviations of the radio light curves at each frequency from the standard "minishell" model are consistent with density modu... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18127330 | astro-ph/0401128 | 2004-01-08 | [O III]/[N II] as an Abundance Indicator at High Redshift | Among `empirical' methods of estimating oxygen abundances in extragalactic HII regions, the use of the ratio of nebular lines of [O III] and [N II], first introduced by Alloin et al. in 1979, is reappraised with modern calibration data and shown to have certain advantages over R23 = ([O II] + [O III])/Hbeta and N2 = [N... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
117284016 | quant-ph/0401052 | 2004-01-09 | In defense of the epistemic view of quantum states: a toy theory | We present a toy theory that is based on a simple principle: the number of questions about the physical state of a system that are answered must always be equal to the number that are unanswered in a state of maximal knowledge. A wide variety of quantum phenomena are found to have analogues within this toy theory. Such... | [
"quant-ph"
] | null | [
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{
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] | [
{
"author_id": "r spekkens_1",
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}
] | null |
10728155 | astro-ph/0401140 | 2004-01-09 | Solving the Cooling Flow Problem of Galaxy Clusters by Dark Matter Neutralino Annihilation | Recent X-ray observations revealed that strong cooling flow of intracluster gas is not present in galaxy clusters, even though predicted theoretically if there is no additional heating source. I show that relativistic particles produced by dark matter neutralino annihilation in cluster cores provide a sufficient heatin... | [
"astro-ph",
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
43085843 | quant-ph/0401067 | 2004-01-12 | Measuring polynomial functions of states | In this paper I show that any $m$th-degree polynomial function of the elements of the density matrix $\rho$ can be determined by finding the expectation value of an observable on $m$ copies of $\rho$, without performing state tomography. Since a circuit exists which can approximate the measurement of any observable, in... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
40974391 | astro-ph/0401219 | 2004-01-12 | Wide-field millimagnitude photometry with HAT: A Tool for Extra-solar Planet Detection | We discuss the system requirements for obtaining millimagnitude photometric precision over a wide field using small aperture short focal length telescope systems, such as are being developed by a number of research groups to search for transiting extra-solar planets. We describe the Hungarian-made Automated Telescope (... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5215325 | cond-mat/0401176 | 2004-01-12 | Dynamical mechanism of anticipating synchronization in excitable systems | We analyze the phenomenon of anticipating synchronization of two excitable systems with unidirectional delayed coupling which are subject to the same external forcing. We demonstrate for different paradigms of excitable system that, due to the coupling, the excitability threshold for the slave system is always lower th... | [
"cond-mat"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m ciszak_1",
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{
"author_id": "f marino_1",
"name": "Francesco Marino",
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"num_papers": null,... | null |
13783 | astro-ph/0401198 | 2004-01-12 | How many cosmological parameters? | Constraints on cosmological parameters depend on the set of parameters chosen to define the model which is compared with observational data. I use the Akaike and Bayesian information criteria to carry out cosmological model selection, in order to determine the parameter set providing the preferred fit to the data. Appl... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7054376 | hep-th/0401066 | 2004-01-12 | Notes on Tachyon Effective Actions and Veneziano Amplitudes | In a previous paper (hep-th/0304045) it has been argued that tachyonic Dirac-Born-Infeld (DBI) actions can be obtained from open string theory in a limit, which generalizes the usual massless DBI limit. In the present note we review this construction focusing on a key property of the proposed tachyon effective actions:... | [
"hep-th"
] | null | [
"target.author.publication_history"
] | [
{
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{
"corpus_id": "14592887",
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{
"author_id": "v niarchos_1",
"name": "Vasilis Niarchos",
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}
] | null |
15799524 | math-ph/0401028 | 2004-01-13 | Energy-momentum conservation in pre-metric electrodynamics with magnetic charges | A necessary and sufficient condition for energy-momentum conservation is proved within a topological, pre-metric approach to classical electrodynamics including magnetic as well as electric charges. The extended Lorentz force, consisting of mutual actions by F=(E, B) on the electric current and G=(H, D) on the magnetic... | [
"math-ph",
"hep-th",
"math.DG",
"math.MP",
"physics.optics"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17579630 | cond-mat/0401213 | 2004-01-13 | The logistic equation and a linear stochastic resonance | We show analytically that a linear transmitter with correlated Gaussian white noises displays a stochastic resonance. We discuss the relation of this problem to a generalized noisy logistic equation. | [
"cond-mat.stat-mech"
] | null | [
"target.key_reference"
] | null | null | null |
16845721 | astro-ph/0401276 | 2004-01-14 | Testing for Non-Gaussianity in the Wilkinson Microwave Anisotropy Probe Data: Minkowski Functionals and the Length of the Skeleton | The three Minkowski functionals and the recently defined length of the skeleton are estimated for the co-added first-year Wilkinson Microwave Anisotropy Probe (WMAP) data and compared with 5000 Monte Carlo simulations, based on Gaussian fluctuations with the a-priori best-fit running-index power spectrum and WMAP-like ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "h eriksen_1",
"name": "Hans [\"Kristian\"] Eriksen",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "d novikov_2",
"name": "Dmitry [\"I.\"] Novikov",
"publication_history": null,
"h_index": null,
... | null |
3188143 | astro-ph/0401301 | 2004-01-15 | Observations of 54 Active Galactic Nuclei with the HEGRA System of Cherenkov Telescopes | A sample of 54 selected Active Galactic Nuclei (AGN) has been observed with the HEGRA stereoscopic system of Cherenkov Telescopes between 1996 and 2002 in the TeV energy regime. The observations were motivated by the positive results obtained for Mkn 421 and Mkn 501. The distances of the selected objects vary over a la... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119098231 | cond-mat/0401283 | 2004-01-16 | On the Propagation of Congestion Waves in the Internet | Traffic modeling of communication networks such as Internet has become a very important field of research. A number of interesting phenomena are found in measurements and traffic simulations. One of them is the propagation of congestion waves opposite to the main packet flow direction. The purpose of this paper is to m... | [
"cond-mat.dis-nn"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j stéger_0",
"name": "József Stéger",
"publication_history": null,
"h_index": null,
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},
{
"author_id": "p vaderna_1",
"name": "Péter Vaderna",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
16655207 | astro-ph/0401340 | 2004-01-16 | Neutral hydrogen surveys for high redshift galaxy clusters and proto-clusters | We discuss the possibility of performing blind surveys to detect large-scale features of the universe using 21cm emission. Using instruments with approx. 5'-10' resolution currently in the planning stage, it should be possible to detect virialized galaxy clusters at intermediate redshifts using the combined emission fr... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118874068 | astro-ph/0401334 | 2004-01-16 | Accurate X-ray position of the Anomalous X-ray Pulsar XTE J1810-197 and identification of its likely IR counterpart | We report the accurate sub-arcsec X-ray position of the new Anomalous X-ray Pulsar (AXP) XTE J1810-197, derived with a Chndra-HRC Target of Opportunity observation carried out in November 2003. We also report the discovery of a likely IR counterpart based on a VLT (IR band) Target of Opportunity observation carried out... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
11345337 | cond-mat/0401287 | 2004-01-16 | Complexity of Random Energy Landscapes, Glass Transition and Absolute Value of Spectral Determinant of Random Matrices | Finding the mean of the total number N_{tot} of critical points for N-dimensional random energy landscapes is reduced to averaging the absolute value of characteristic polynomial of the corresponding Hessian. For any finite N we provide the exact solution to the problem for a class of landscapes corresponding to the "t... | [
"cond-mat.dis-nn",
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
12366424 | astro-ph/0401353 | 2004-01-18 | The Team Keck Treasury Redshift Survey of the GOODS-North Field | We report the results of an extensive imaging and spectroscopic survey in the GOODS-North field completed using DEIMOS on the Keck II telescope. Observations of 2018 targets in a magnitude-limited sample of 2911 objects to R=24.4 yield secure redshifts for a sample of 1440 galaxies and AGN plus 96 stars. In addition to... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2013256 | math/0401223 | 2004-01-18 | The distribution of integers with a divisor in a given interval | We determine the order of magnitude of H(x,y,z), the number of integers n\le x having a divisor in (y,z], for all x,y and z. We also study H_r(x,y,z), the number of integers n\le x having exactly r divisors in (y,z]. When r=1 we establish the order of magnitude of H_1(x,y,z) for all x,y,z satisfying z\le x^{0.49}. For ... | [
"math.NT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
21214733 | cond-mat/0401334 | 2004-01-19 | Nonequilibrium critical dynamics of the ferromagnetic Ising model with Kawasaki dynamics | We investigate the temporal evolution of a ferromagnetic system of Ising spins evolving under Kawasaki dynamics from a random initial condition, in spatial dimensions one and two. We examine in detail the asymptotic behaviour of the two-time correlation and response functions. The linear response is measured without ap... | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "c godrèche_0",
"name": "Claude Godrèche",
"publication_history": null,
"h_index": null,
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},
{
"author_id": "f krzakala_1",
"name": "Florent Krzakala",
"publication_history": null,
"h_index": null,
"num_papers": ... | null |
17441170 | math-ph/0401037 | 2004-01-19 | Topological calculation of the phase of the determinant of a non self-adjoint elliptic operator | We study the zeta-regularized determinant of a non self-adjoint elliptic operator on a closed odd-dimensional manifold. We show that, if the spectrum of the operator is symmetric with respect to the imaginary axis, then the determinant is real and its sign is determined by the parity of the number of the eigenvalues of... | [
"math-ph",
"cond-mat.mes-hall",
"cond-mat.str-el",
"cond-mat.supr-con",
"hep-th",
"math.MP"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a abanov_1",
"name": "Alexander [\"G.\"] Abanov",
"publication_history": null,
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},
{
"author_id": "m braverman_2",
"name": "Maxim Braverman",
"publication_history": null,
"h_index": null,
"num_p... | null |
14662199 | astro-ph/0401406 | 2004-01-20 | The 2dF Galaxy Redshift Survey: voids and hierarchical scaling models | We measure the redshift space reduced void probability function (VPF) for 2dFGRS volume limited galaxy samples covering the absolute magnitude range M_bJ-5logh=-18 to -22. Theoretically, the VPF connects the distribution of voids to the moments of galaxy clustering of all orders, and can be used to discriminate cluster... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10573801 | math/0401247 | 2004-01-20 | How Complex are Random Graphs in First Order Logic? | It is not hard to write a first order formula which is true for a given graph G but is false for any graph not isomorphic to G. The smallest number $(G) of nested quantifiers in a such formula can serve as a measure for the ``first order complexity'' of G. Here, this parameter is studied for random graphs. We determine... | [
"math.CO"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "j kim_68",
"name": "Jeong [\"Han\"] Kim",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "o pikhurko_1",
"name": "Oleg Pikhurko",
"publication_history": null,
"h_index": null,
"num_papers": nul... | null |
15820872 | astro-ph/0401445 | 2004-01-21 | Optical Selection of Galaxies at Redshifts 1<z<3 | Few galaxies have been found between the redshift ranges z < ~1 probed by magnitude-limited surveys and z > ~3 probed by Lyman-break surveys. Comparison of galaxy samples at lower and higher redshift suggests that large numbers of stars were born and the Hubble sequence began to take shape at the intermediate redshifts... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6805263 | quant-ph/0401135 | 2004-01-21 | Algorithmic Cooling of Spins: A Practicable Method for Increasing Polarization | An efficient technique to generate ensembles of spins that are highly polarized by external magnetic fields is the Holy Grail in Nuclear Magnetic Resonance (NMR) spectroscopy. Since spin-half nuclei have steady-state polarization biases that increase inversely with temperature, spins exhibiting high polarization biases... | [
"quant-ph"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "5066342",
"num_citations": null
},
{
"corpus_id": "1267041",
"num_citations": null
}
] | [
{
"author_id": "j fernandez_6",
"name": "José [\"M.\"] Fernandez",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "s lloyd_1",
"name": "Seth Lloyd",
"publication_history": null,
"h_index": null,
"num_papers": ... | null |
17093235 | astro-ph/0401439 | 2004-01-21 | A Survey of Star-Forming Galaxies in the z=1.4-2.5 `Redshift Desert': Overview | We present the first results of a large-scale survey, using the UV/blue sensitive LRIS-B spectrograph on the Keck I telescope, of galaxies in the redshift interval 1.4<z<2.5, often called the `redshift desert' because of historical difficulties in spectroscopically identifying galaxies in that range. We introduce two s... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119420304 | astro-ph/0401427 | 2004-01-21 | GEMS: Galaxy Evolution from Morphologies and SEDs | GEMS, Galaxy Evolution from Morphologies and SEDs, is a large-area (800 arcmin2) two-color (F606W and F850LP) imaging survey with the Advanced Camera for Surveys on HST. Centered on the Chandra Deep Field South, it covers an area of ~28'x28', or about 120 Hubble Deep Field areas, to a depth of m_AB(F606W)=28.3 (5sigma ... | [
"astro-ph"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "9733138",
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{
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{
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},
{
"corpus_id": "5437450",
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},
{
"corpus_id": "10794058",
"num_citations": null
},
... | [
{
"author_id": "h rix_1",
"name": "H-W. Rix",
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},
{
"author_id": "m barden_1",
"name": "Marco Barden",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_cit... | null |
13956300 | astro-ph/0401434 | 2004-01-22 | The 2dF Galaxy Redshift Survey: higher order galaxy correlation functions | We measure moments of the galaxy count probability distribution function in the two-degree field galaxy redshift survey (2dFGRS). The survey is divided into volume limited subsamples in order to examine the dependence of the higher order clustering on galaxy luminosity. We demonstrate the hierarchical scaling of the av... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
121919347 | cond-mat/0401443 | 2004-01-22 | An interest rates cluster analysis | An empirical analysis of interest rates in money and capital markets is performed. We investigate a set of 34 different weekly interest rate time series during a time period of 16 years between 1982 and 1997. Our study is focused on the collective behavior of the stochastic fluctuations of these time-series which is in... | [
"cond-mat.stat-mech",
"cond-mat.other",
"q-fin.ST"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "t matteo_1",
"name": "Tiziana [\"di\"] Matteo",
"publication_history": null,
"h_index": null,
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},
{
"author_id": "t aste_1",
"name": "Tomaso Aste",
"publication_history": null,
"h_index": null,
"num_papers": nul... | null |
119331146 | astro-ph/0401483 | 2004-01-22 | Evolution of Disk Galaxies in the GOODS-South Field: Number Densities and Size Distribution | We examine the evolution of the sizes and number densities of disk galaxies using the high resolution images obtained by the Great Observatories Origins Deep Survey (GOODS) with the Advanced Camera for Surveys (ACS) on the Hubble Space Telescope (HST). The multiwavelength (B,V,i,z) images allow us to classify galaxies ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3041191 | math/0401307 | 2004-01-22 | Succinct Definitions in the First Order Theory of Graphs | We say that a first order sentence A defines a graph G if A is true on G but false on any graph non-isomorphic to G. Let L(G) (resp. D(G)) denote the minimum length (resp. quantifier rank) of a such sentence. We define the succinctness function s(n) (resp. its variant q(n)) to be the minimum L(G) (resp. D(G)) over all ... | [
"math.LO",
"math.CO"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "o pikhurko_1",
"name": "Oleg Pikhurko",
"publication_history": null,
"h_index": null,
"num_papers": null,
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},
{
"author_id": "j spencer_4",
"name": "Joel [\"H.\"] Spencer",
"publication_history": null,
"h_index": null,
"num_papers"... | null |
753468 | math/0401318 | 2004-01-23 | Analysis of systematic scan Metropolis algorithms using Iwahori-Hecke algebra techniques | Analysis of systematic scan Metropolis algorithms using Iwahori-Hecke algebra techniques | [
"math.RT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1168919 | math/0401314 | 2004-01-23 | Partition Algebras | The partition algebras are algebras of diagrams (which contain the group algebra of the symmetric group and the Brauer algebra) such that the multiplication is given by a combinatorial rule and such that the structure constants of the algebra depend polynomially on a parameter. This is a survey paper which proves the p... | [
"math.RT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
9193212 | astro-ph/0401500 | 2004-01-23 | The FORS Deep Field Spectroscopic Survey | We present a catalogue and atlas of low-resolution spectra of a well defined sample of 341 objects in the FORS Deep Field. All spectra were obtained with the FORS instruments at the ESO VLT with essentially the same spectroscopic set-up. The observed extragalactic objects cover the redshift range 0.1 to 5.0. 98 objects... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
53705217 | quant-ph/0401144 | 2004-01-23 | Quantum Phase Transitions in Anti-ferromagnetic Planar Cubic Lattices | Motivated by its relation to an $\cal{NP}$-hard problem, we analyze the ground state properties of anti-ferromagnetic Ising-spin networks embedded on planar cubic lattices, under the action of homogeneous transverse and longitudinal magnetic fields. This model exhibits a quantum phase transition at critical values of t... | [
"quant-ph",
"cond-mat.str-el"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "c wellard_1",
"name": "Cameron Wellard",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "r orús_1",
"name": "Román Orús",
"publication_history": null,
"h_index": null,
"num_papers": null,
"... | null |
18923313 | math/0401310 | 2004-01-23 | New bounds on the Hermite polynomials | We shall establish two-side explicit inequalities, which are asymptotically sharp up to a constant factor, on the maximum value of $|H_k(x)| e^{-x^2/2},$ on the real axis, where $H_k$ are the Hermite polynomials. | [
"math.CA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17886484 | math/0401361 | 2004-01-26 | The First Order Definability of Graphs with Separators via the Ehrenfeucht Game | We say that a first order formula $\Phi$ defines a graph $G$ if $\Phi$ is true on $G$ and false on every graph $G'$ non-isomorphic with $G$. Let $D(G)$ be the minimal quantifier rank of a such formula. We prove that, if $G$ is a tree of bounded degree or a Hamiltonian (equivalently, 2-connected) outerplanar graph, then... | [
"math.CO",
"math.LO"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "o verbitsky_1",
"name": "Oleg Verbitsky",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
30604484 | physics/0401130 | 2004-01-26 | MRI of the lung using hyperpolarized He-3 at very low magnetic field (3 mT) | Optical pumping of He-3 produces large (hyper) nuclear-spin polarizations independent of the magnetic resonance imaging (MRI) field strength. This allows lung MRI to be performed at reduced fields with many associated benefits, such as lower tissue susceptibility gradients and decreased power absorption rates. Here we ... | [
"physics.med-ph"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "16466810",
"num_citations": null
}
] | [
{
"author_id": "c bidinosti_1",
"name": "Christopher [\"P.\"] Bidinosti",
"publication_history": null,
"h_index": null,
"num_papers": null,
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},
{
"author_id": "j choukeife_1",
"name": "Jamal Choukeife",
"publication_history": null,
"h_index": null,
... | null |
14057756 | math/0401363 | 2004-01-26 | On the Lengths of Symmetry Breaking-Preserving Games on Graphs | Given a graph $G$, we consider a game where two players, $A$ and $B$, alternatingly color edges of $G$ in red and in blue respectively. Let $l(G)$ be the maximum number of moves in which $B$ is able to keep the red and the blue subgraphs isomorphic, if $A$ plays optimally to destroy the isomorphism. This value is a low... | [
"math.CO",
"math.LO"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "79562",
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}
] | [
{
"author_id": "f harary_1",
"name": "Frank Harary",
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},
{
"author_id": "w slany_1",
"name": "Wolfgang Slany",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
2630853 | cs/0401028 | 2004-01-27 | Automated Resolution of Noisy Bibliographic References | We describe a system used by the NASA Astrophysics Data System to identify bibliographic references obtained from scanned article pages by OCR methods with records in a bibliographic database. We analyze the process generating the noisy references and conclude that the three-step procedure of correcting the OCR results... | [
"cs.DL"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m demleitner_1",
"name": "Markus Demleitner",
"publication_history": null,
"h_index": null,
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},
{
"author_id": "m kurtz_2",
"name": "Michael [\"J.\"] Kurtz",
"publication_history": null,
"h_index": null,
"num_pa... | null |
1143283 | cond-mat/0401540 | 2004-01-27 | Law of Error in Tsallis Statistics | Gauss' law of error is generalized in Tsallis statistics such as multifractal systems, in which Tsallis entropy plays an essential role instead of Shannon entropy. For the generalization, we apply the new multiplication operation determined by the q-logarithm and the q-exponential functions to the definition of the lik... | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119086142 | cond-mat/0401548 | 2004-01-27 | Adiabatic processes need not correspond to optimal work | The minimum work principle states that work done on a thermally isolated equilibrium system is minimal for the adiabatically slow (reversible) realization of a given process. This principle, one of the formulations of the second law, is studied here for finite (possibly large) quantum systems interacting with macroscop... | [
"cond-mat.stat-mech",
"quant-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a allahverdyan_1",
"name": "Armen [\"E.\"] Allahverdyan",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "t nieuwenhuizen_1",
"name": "Theo [\"M.\"] Nieuwenhuizen",
"publication_history": null,
"h_... | null |
6621222 | cond-mat/0401529 | 2004-01-27 | Stochastic modeling of citation slips | We present empirical data on frequency and pattern of misprints in citations to twelve high-profile papers. We find that the distribution of misprints, ranked by frequency of their repetition, follows Zipf's law. We propose a stochastic model of citation process, which explains these findings, and leads to the conclusi... | [
"cond-mat.dis-nn",
"physics.soc-ph"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "11197637",
"num_citations": null
}
] | [
{
"author_id": "m simkin_1",
"name": "Mikhail [\"V.\"] Simkin",
"publication_history": null,
"h_index": null,
"num_papers": null,
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},
{
"author_id": "v roychowdhury_1",
"name": "Vwani [\"P.\"] Roychowdhury",
"publication_history": null,
"h_index": nul... | null |
95530778 | cond-mat/0401551 | 2004-01-27 | Geometrical picture of dynamical facilitation | Kinetically constrained models (KCMs) are models of glass formers based on the concept of dynamic facilitation. This concept accounts for many of the characteristics of the glass transition. KCMs usually display a combination of simple thermodynamics and complex glassy dynamics, the latter being a consequence of kineti... | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "s whitelam_1",
"name": "Stephen Whitelam",
"publication_history": null,
"h_index": null,
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"num_citations": null
},
{
"author_id": "j garrahan_1",
"name": "Juan [\"P.\"] Garrahan",
"publication_history": null,
"h_index": null,
"num_pa... | null |
11316634 | math/0401388 | 2004-01-28 | A survey of max-type recursive distributional equations | In certain problems in a variety of applied probability settings (from probabilistic analysis of algorithms to statistical physics), the central requirement is to solve a recursive distributional equation of the form X =^d g((\xi_i,X_i),i\geq 1). Here (\xi_i) and g(\cdot) are given and the X_i are independent copies of... | [
"math.PR",
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118834381 | gr-qc/0401114 | 2004-01-28 | Multipole Moments of Isolated Horizons | To every axi-symmetric isolated horizon we associate two sets of numbers, $M_n$ and $J_n$ with $n = 0, 1, 2, ...$, representing its mass and angular momentum multipoles. They provide a diffeomorphism invariant characterization of the horizon geometry. Physically, they can be thought of as the `source multipoles' of bla... | [
"gr-qc",
"hep-th"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "771959",
"num_citations": null
},
{
"corpus_id": "15909953",
"num_citations": null
}
] | [
{
"author_id": "a ashtekar_1",
"name": "Abhay Ashtekar",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "j engle_1",
"name": "Jonathan Engle",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
119463910 | cond-mat/0401574 | 2004-01-28 | Maximal work extraction from quantum systems | Thermodynamics teaches that if a system initially off-equilibrium is coupled to work sources, the maximum work that it may yield is governed by its energy and entropy. For finite systems this bound is usually not reachable. The maximum extractable work compatible with quantum mechanics (``ergotropy'') is derived and ex... | [
"cond-mat.stat-mech",
"quant-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a allahverdyan_1",
"name": "Armen [\"E.\"] Allahverdyan",
"publication_history": null,
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},
{
"author_id": "r balian_1",
"name": "Roger Balian",
"publication_history": null,
"h_index": null,
"num... | null |
16399339 | quant-ph/0401178 | 2004-01-29 | Realization of a General Three-Qubit Quantum Gate | We prove that a generic three-qubit quantum logic gate can be implemented using at most 98 one-qubit rotations about the $y$- and $z$-axes and 40 CNOT gates, beating an earlier bound of 64 CNOT gates. | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14172358 | astro-ph/0401618 | 2004-01-29 | Estimating the bispectrum of the Very Small Array data | We estimate the bispectrum of the Very Small Array data from the compact and extended configuration observations released in December 2002, and compare our results to those obtained from Gaussian simulations. There is a slight excess of large bispectrum values for two individual fields, but this does not appear when th... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1140746 | astro-ph/0401622 | 2004-01-30 | Statistical Challenges of Cosmic Microwave Background Analysis | The Cosmic Microwave Background (CMB) is an abundant source of cosmological information. However, this information is encoded in non-trivial ways in a signal that is difficult to observe. The resulting challenges in extracting this information from CMB data sets have created a new frontier. In this talk I will discuss ... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "b wandelt_1",
"name": "Benjamin [\"D.\"] Wandelt",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
15778807 | astro-ph/0402002 | 2004-01-30 | Redshift Accuracy Requirements for Future Supernova and Number Count Surveys | We investigate the required redshift accuracy of type Ia supernova and cluster number-count surveys in order for the redshift uncertainties not to contribute appreciably to the dark energy parameter error budget. For the SNAP supernova experiment, we find that, without the assistance of ground-based measurements, indiv... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "d huterer_1",
"name": "Dragan Huterer",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "a kim_4",
"name": "Alex [\"G\"] Kim",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
14813589 | hep-ph/0401240 | 2004-01-30 | Leptogenesis for Pedestrians | During the process of thermal leptogenesis temperature decreases by about one order of magnitude while the baryon asymmetry is generated. We present an analytical description of this process so that the dependence on the neutrino mass parameters becomes transparent. In the case of maximal CP asymmetry all decay and sca... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7629247 | astro-ph/0401623 | 2004-01-30 | MAGIC: Exact Bayesian Covariance Estimation and Signal Reconstruction for Gaussian Random Fields | In this talk I describe MAGIC, an efficient approach to covariance estimation and signal reconstruction for Gaussian random fields (MAGIC Allows Global Inference of Covariance). It solves a long-standing problem in the field of cosmic microwave background (CMB) data analysis but is in fact a general technique that can ... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "b wandelt_1",
"name": "Benjamin [\"D.\"] Wandelt",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
13561630 | q-bio/0402001 | 2004-02-01 | Size of Outbreaks Near the Epidemic Threshold | The spread of infectious diseases near the epidemic threshold is investigated. Scaling laws for the size and the duration of outbreaks originating from a single infected individual in a large susceptible population are obtained. The maximal size of an outbreak n_* scales as N^{2/3} with N the population size. This scal... | [
"q-bio.PE",
"cond-mat.stat-mech",
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10158643 | math/0402009 | 2004-02-01 | Theory of Computation of Multidimensional Entropy with an Application to the Monomer-Dimer Problem | We outline the most recent theory for the computation of the exponential growth rate of the number of configurations on a multi-dimensional grid. As an application we compute the monomer-dimer constant for the 2-dimensional grid to 8 decimal digits, agreeing with the heuristic computations of Baxter, and for the 3-dime... | [
"math.CO",
"math-ph",
"math.MP",
"physics.chem-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8423119 | cs/0402004 | 2004-02-02 | Baptista-type chaotic cryptosystems: Problems and countermeasures | In 1998, M. S. Baptista proposed a chaotic cryptosystem, which has attracted much attention from the chaotic cryptography community: some of its modifications and also attacks have been reported in recent years. In [Phys. Lett. A 307 (2003) 22], we suggested a method to enhance the security of Baptista-type cryptosyste... | [
"cs.CR",
"nlin.CD"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "s li_234",
"name": "Shujun Li",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "g chen_31",
"name": "Guanrong Chen",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_c... | null |
16356568 | math/0402030 | 2004-02-03 | Maximum boundary regularity of bounded Hua-harmonic functions on tube domains | In this paper we prove that bounded Hua-harmonic functions on tube domains that satisfy some boundary regularity condition are necessarily pluriharmonic. In doing so, we show that a similar theorem is true on one-dimensional extensions of the Heisenberg group or equivalently on the Siegel upper half-plane. | [
"math.CA",
"math.CV"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a bonami_0",
"name": "Aline Bonami",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "d buraczewski_1",
"name": "Dariusz Buraczewski",
"publication_history": null,
"h_index": null,
"num_papers":... | null |
3094438 | astro-ph/0402087 | 2004-02-03 | Diffuse X-ray Emission in a Deep Chandra Image of the Galactic Center | We examine the spectrum of diffuse emission detected in the 17' by 17' field around Sgr A* during 625 ks of Chandra observations. The spectrum exhibits He-like and H-like lines from Si, S, Ar, Ca, and Fe, that are consistent with originating in a two-temperature plasma, as well as a prominent low-ionization Fe line. Th... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6604518 | cond-mat/0402105 | 2004-02-03 | Van der Waals Density Functional for General Geometries | A scheme within density functional theory is proposed that provides a practical way to generalize to unrestricted geometries the method applied with some success to layered geometries [H. Rydberg, et al., Phys. Rev. Lett. 91, 126402 (2003)]. It includes van der Waals forces in a seamless fashion. By expansion to second... | [
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
27500334 | cond-mat/0402070 | 2004-02-03 | A Simplest Swimmer at Low Reynolds Number: Three Linked Spheres | We propose a very simple one-dimensional swimmer consisting of three spheres that are linked by rigid rods whose lengths can change between two values. With a periodic motion in a non-reciprocal fashion, which breaks the time-reversal symmetry as well as the translational symmetry, we show that the model device can swi... | [
"cond-mat.soft"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18591049 | astro-ph/0402080 | 2004-02-03 | Probing the Evolution of the Dark Energy Density with Future Supernova Surveys | The time dependence of the dark energy density can be an important clue to the nature of dark energy in the universe. We show that future supernova data from dedicated telescopes (such as SNAP), when combined with data of nearby supernovae, can be used to determine how the dark energy density $\rho_X(z)$ depends on red... | [
"astro-ph",
"hep-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "y wang_764",
"name": "Yun Wang",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "v kostov_1",
"name": "Veselin [\"B.\"] Kostov",
"publication_history": null,
"h_index": null,
"num_papers": null... | null |
1310275 | cond-mat/0402143 | 2004-02-04 | Personal Email Networks: An Effective Anti-Spam Tool | We provide an automated graph theoretic method for identifying individual users' trusted networks of friends in cyberspace. We routinely use our social networks to judge the trustworthiness of outsiders, i.e., to decide where to buy our next car, or to find a good mechanic for it. In this work, we show that an email us... | [
"cond-mat.dis-nn",
"cs.NI"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "12964274",
"num_citations": null
},
{
"corpus_id": "24032433",
"num_citations": null
}
] | [
{
"author_id": "p boykin_1",
"name": "P. [\"Oscar\"] Boykin",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "v roychowdhury_1",
"name": "Vwani [\"P.\"] Roychowdhury",
"publication_history": null,
"h_index": null,... | null |
1789081 | math-ph/0402005 | 2004-02-04 | Estimators, escort probabilities, and phi-exponential families in statistical physics | The lower bound of Cramer and Rao is generalized to pairs of families of probability distributions, one of which is escort to the other. This bound is optimal for certain families, called phi-exponential in the paper. Their dual structure is explored. | [
"math-ph",
"math.MP",
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
9901340 | astro-ph/0402102 | 2004-02-04 | XMM-Newton spectral and timing analysis of the faint millisecond pulsars PSR J0751+1807 and PSR J1012+5307 | We present XMM-Newton MOS imaging and PN timing data of the faint millisecond pulsars PSR J0751+1807 and PSR J1012+5307. We find 46 sources in the MOS field of view of PSR J0751+1807 searching down to an unabsorbed flux limit of 3 x 10^-15 ergs cm^-2 s^-1 (0.2-10.0 keV). We present, for the first time, the X-ray spectr... | [
"astro-ph"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "14117447",
"num_citations": null
}
] | [
{
"author_id": "n webb_2",
"name": "Natalie [\"A.\"] Webb",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "j olive_1",
"name": "J-F. Olive",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
15578342 | astro-ph/0402095 | 2004-02-04 | Mapping the 3-D dark matter with weak lensing in COMBO-17 | We present a 3-dimensional lensing analysis of the z=0.16 supercluster A901/2, resulting in a 3-D map of the dark matter distribution within a 3 X 10^{5} [Mpc]^3 volume from the COMBO-17 survey. We perform a chi^2-fit of isothermal spheres to the tangential shear pattern around each cluster as a function of redshift to... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
117017389 | astro-ph/0402136 | 2004-02-05 | Isolated Neutron Stars | This is a review of X-ray emission from all types of isolated neutron stars, with an emphasis on rotation-powered pulsars. Topics include magnetospheric and thermal emission, as well as pulsar wind nebulae. | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119104311 | cond-mat/0402148 | 2004-02-05 | Subextensive Scaling in the Athermal, Quasistatic Limit of Amorphous Matter in Plastic Shear Flow | We present the results of numerical simulations of an atomistic system undergoing plastic shear flow in the athermal, quasistatic limit. The system is shown to undergo cascades of local rearrangements, associated with quadrupolar energy fluctuations, which induce system-spanning events organized into lines of slip orie... | [
"cond-mat.dis-nn",
"cond-mat.soft"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118867771 | cond-mat/0402201 | 2004-02-06 | Imbibition in Disordered Media | The physics of liquids in porous media gives rise to many interesting phenomena, including imbibition where a viscous fluid displaces a less viscous one. Here we discuss the theoretical and experimental progress made in recent years in this field. The emphasis is on an interfacial description, akin to the focus of a st... | [
"cond-mat.mtrl-sci",
"cond-mat.dis-nn",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17753990 | cond-mat/0402183 | 2004-02-06 | Effects of J-gate potential and interfaces on donor exchange coupling in the Kane quantum computer architecture | We calculate the electron exchange coupling for a phosphorus donor pair in silicon perturbed by a J-gate potential and the boundary effects of the silicon host geometry. In addition to the electron-electron exchange interaction we also calculate the contact hyperfine interaction between the donor nucleus and electron a... | [
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "l kettle_1",
"name": "L. [\"M.\"] Kettle",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "h goan_1",
"name": "Hsi-Sheng Goan",
"publication_history": null,
"h_index": null,
"num_papers": null,... | null |
5539512 | q-bio/0402015 | 2004-02-07 | Toric ideals of phylogenetic invariants | Statistical models of evolution are algebraic varieties in the space of joint probability distributions on the leaf colorations of a phylogenetic tree. The phylogenetic invariants of a model are the polynomials which vanish on the variety. Several widely used models for biological sequences have transition matrices tha... | [
"q-bio.PE",
"math.AC"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
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