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 ⌀ |
|---|---|---|---|---|---|---|---|---|---|---|
204932738 | astro-ph/0201143 | 2002-01-10 | The u'g'r'i'z' Standard Star Network | We present the 158 standard stars that define the u'g'r'i'z' photometric system. These stars form the basis for the photometric calibration of the Sloan Digital Sky Survey (SDSS). The defining instrument system and filters, the observing process, the reduction techniques, and the software used to create the stellar net... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119355027 | astro-ph/0201182 | 2002-01-11 | Observational Requirements for High-Fidelity Reverberation Mapping | We present a series of simulations to demonstrate that high-fidelity velocity-delay maps of the emission-line regions in active galactic nuclei can be obtained from time-resolved spectrophotometric data sets like those that will arise from the proposed Kronos satellite. While previous reverberation-mapping experiments ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
126112531 | hep-ex/0201022 | 2002-01-11 | Searches for neutral Higgs bosons in e+e- collisions from sqrt(s) = 191.6 to 201.7 GeV | Neutral Higgs bosons of the Standard Model (SM) and the Minimal Supersymmetric Standard Model (MSSM) were searched for in the data collected in 1999 by the DELPHI experiment at centre-of-mass energies between 191.6 and 201.7 GeV with a total integrated luminosity of 228 pb^{-1}. These analyses, in combination with our ... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j abdallah_1",
"name": "Jalal Abdallah",
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"author_id": "p abreu_1",
"name": "Pedro Abreu",
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... | null |
17830275 | nlin/0201018 | 2002-01-11 | Symmetric Periodic Solutions of the Anisotropic Manev Problem | We consider the Manev Potential in an anisotropic space, i.e., such that the force acts differently in each direction. Using a generalization of the Poincare' continuation method we study the existence of periodic solutions for weak anisotropy. In particular we find that the symmetric periodic orbits of the Manev syste... | [
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{
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"name": "Manuele Santoprete",
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] | null |
28189343 | nlin/0201017 | 2002-01-11 | Freely decaying weak turbulence for sea surface gravity waves | We study numerically the generation of power laws in the framework of weak turbulence theory for surface gravity waves in deep water. Starting from a random wave field, we let the system evolve numerically according to the nonlinear Euler equations for gravity waves in infinitely deep water. In agreement with the theor... | [
"nlin.CD"
] | null | [
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] | null | null | null |
18103346 | hep-th/0201081 | 2002-01-14 | Penrose limits and maximal supersymmetry | We show that the maximally supersymmetric pp-waves of IIB superstring and M-theories can be obtained as a Penrose limit of the supersymmetric AdS x S solutions. In addition we find that in a certain large tension limit, the geometry seen by a brane probe in an AdS x S background is either Minkowski space or a maximally... | [
"hep-th",
"gr-qc",
"math.DG"
] | null | [
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] | null | null | null |
3263670 | cs/0201010 | 2002-01-14 | Bundling Equilibrium in Combinatorial auctions | This paper analyzes individually-rational ex post equilibrium in the VC (Vickrey-Clarke) combinatorial auctions. If $\Sigma$ is a family of bundles of goods, the organizer may restrict the participants by requiring them to submit their bids only for bundles in $\Sigma$. The $\Sigma$-VC combinatorial auctions (multi-goo... | [
"cs.GT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8719037 | astro-ph/0201272 | 2002-01-16 | Multicolor photometry of the galaxies in the central region of Abell 2634 | An optical photometric observation with the BATC multicolor system is carried out for the central 56' x 56' region of the nearby cluster of galaxies, Abell 2634. We achieved the spectral energy distributions (SEDs) of 5572 sources detected down to $V \sim 20$ mag, including 178 previously known galaxies, with fourteen ... | [
"astro-ph"
] | null | [
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{
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"name": "Qirong Yuan",
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{
"author_id": "x zhou_42",
"name": "Xu Zhou",
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17450629 | quant-ph/0201067 | 2002-01-16 | An approximate Fourier transform useful in quantum factoring | We define an approximate version of the Fourier transform on $2^L$ elements, which is computationally attractive in a certain setting, and which may find application to the problem of factoring integers with a quantum computer as is currently under investigation by Peter Shor. (1994 IBM Internal Report) | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16808067 | math-ph/0201037 | 2002-01-17 | Propagation of Polarization in Elastodynamics with Residual Stress and Travel Times | We show that knowing the Dirichlet-to-Neumann map (DN) associated to the equations of elastodynamics with residual stress we can determine the lens relations of presssure and shear waves. We derive several consequences of this for the inverse problem of determining the residual stress and the Lam\'e parameters from the... | [
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15356976 | astro-ph/0201307 | 2002-01-18 | BL Lacertae: complex spectral variability and rapid synchrotron flare detected with BeppoSAX | We report on two BeppoSAX observations of BL Lac (2200+420) performed respectively in June and December 1999, as part of a ToO program to monitor blazars in high states of activity. During both runs the source has been detected up to 100 keV, but it showed quite different spectra: in June it was concave with a very har... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2368168 | nlin/0201034 | 2002-01-18 | Modeling Vocal Fold Motion with a New Hydrodynamic Semi-Continuum Model | Vocal fold (VF) motion is a fundamental process in voice production, and is also a challenging problem for direct numerical computation because the VF dynamics depend on nonlinear coupling of air flow with the response of elastic channels (VF), which undergo opening and closing, and induce internal flow separation. A t... | [
"nlin.PS",
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] | null | [
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{
"author_id": "m lamar_1",
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"author_id": "y qi_15",
"name": "Yingyong Qi",
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24425 | cond-mat/0201348 | 2002-01-19 | A Four-Unit-Cell Periodic Pattern of Quasiparticle States Surrounding Vortex Cores in Bi2Sr2CaCu2O8+d | Scanning tunneling microscopy is used to image the additional quasiparticle states generated by quantized vortices in the high-Tc superconductor Bi2Sr2CaCu2O8+d. They exhibit a Cu-O bond oriented 'checkerboard' pattern, with four unit cell (4a0) periodicity and a ~30 angstrom decay length. These electronic modulations ... | [
"cond-mat.supr-con"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16338143 | astro-ph/0201338 | 2002-01-21 | Mid-IR Observations of Mass Loss in Elliptical Galaxies | Early-type galaxies exhibit thermal and molecular resonance emission from dust that is shed and heated through stellar mass loss as a subset of the population moves through the AGB phase of evolution. Because this emission can give direct insight into stellar evolution in addition to galactic stellar mass loss and ISM ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14825624 | astro-ph/0201375 | 2002-01-22 | The Sunyaev Zel'dovich effect: simulation and observation | The Sunyaev Zel'dovich effect (SZ effect) is a complete probe of ionized baryons, the majority of which are likely hiding in the intergalactic medium. We ran a $512^3$ $\Lambda$CDM simulation using a moving mesh hydro code to compute the statistics of the thermal and kinetic SZ effect such as the power spectra and meas... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
12102806 | math/0201204 | 2002-01-22 | On Finite-dimensional Term Structure models | In this paper we provide the characterization of all finite-dimensional Heath--Jarrow--Morton models that admit arbitrary initial yield curves. It is well known that affine term structure models with time-dependent coefficients (such as the Hull--White extension of the Vasicek short rate model) perfectly fit any initia... | [
"math.PR",
"math.FA"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "d filipović_1",
"name": "Damir Filipović",
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{
"author_id": "j teichmann_1",
"name": "Josef Teichmann",
"publication_history": null,
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"num_papers":... | null |
9904187 | hep-ph/0206114 | 2002-01-22 | New Generation of Parton Distributions with Uncertainties from Global QCD Analysis | A new generation of parton distribution functions with increased precision and quantitative estimates of uncertainties is presented. This work includes a full treatment of available experimental correlated systematic errors for both new and old data sets and a systematic and pragmatic treatment of uncertainties of the ... | [
"hep-ph",
"hep-ex"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119334098 | cond-mat/0201408 | 2002-01-23 | Bath generated work extraction and inversion-free gain in two-level systems | The spin-boson model, often used in NMR and ESR physics, quantum optics and spintronics, is considered in a solvable limit to model a spin one-half particle interacting with a bosonic thermal bath. By applying external pulses to a non-equilibrium initial state of the spin, work can be extracted from the thermalized bat... | [
"cond-mat.stat-mech"
] | null | [
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] | [] | [
{
"author_id": "a allahverdyan_1",
"name": "Armen [\"E.\"] Allahverdyan",
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{
"author_id": "t nieuwenhuizen_1",
"name": "Theo [\"M.\"] Nieuwenhuizen",
"publication_history": null,
"h_... | null |
9925850 | hep-ex/0201038 | 2002-01-24 | A Cryogenic Underground Observatory for Rare Events: Cuore, an Update | CUORE is a proposed tightly packed array of 1000 TeO_{2} bolometers, each being a cube 5 cm on a side with a mass of 750 gms. The array consists of 25 vertical towers, arranged in a square, of 5 towers by 5 towers, each containing 10 layers of 4 crystals. The design of the detector is optimized for ultralow- background... | [
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{
"author_id": "a alessandrello_1",
"name": "Angelo Alessandrello",
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"author_id": "c arnaboldi_1",
"name": "C. Arnaboldi",
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59583095 | astro-ph/0201414 | 2002-01-24 | The VLBA Calibrator Survey - VCS1 | A catalog containing milliarcsecond--accurate positions of 1332 extragalactic radio sources distributed over the northern sky is presented - the Very Long Baseline Array Calibrator Survey (VCS1). The positions have been derived from astrometric analysis of dual-frequency 2.3 and 8.4 GHz VLBA snapshot observations; in a... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
12964274 | cond-mat/0201476 | 2002-01-25 | Scale-free topology of e-mail networks | We study the topology of e-mail networks with e-mail addresses as nodes and e-mails as links using data from server log files. The resulting network exhibits a scale-free link distribution and pronounced small-world behavior, as observed in other social networks. These observations imply that the spreading of e-mail vi... | [
"cond-mat.dis-nn",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119334963 | cond-mat/0201466 | 2002-01-25 | Stripe as an effective one-dimensional band of composite excitations | The microscopic structure of a charge stripe in an antiferromagnetic insulator is studied within the t-Jz model using analytical and numerical approaches. We demonstrate that a stripe in an antiferromagnet should be viewed as a system of composite holon-spin-polaron excitations condensed at the self-induced antiphase d... | [
"cond-mat.str-el"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10204460 | quant-ph/0201120 | 2002-01-26 | Quantum Computing and a Unified Approach to Fast Unitary Transforms | A quantum computer directly manipulates information stored in the state of quantum mechanical systems. The available operations have many attractive features but also underly severe restrictions, which complicate the design of quantum algorithms. We present a divide-and-conquer approach to the design of various quantum... | [
"quant-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "s agaian_1",
"name": "Sos [\"S.\"] Agaian",
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"author_id": "a klappenecker_0",
"name": "Andreas Klappenecker",
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16622688 | astro-ph/0201438 | 2002-01-27 | Maximum-likelihood estimation of the CMB power spectrum from interferometer observations | A maximum-likelihood method is presented for estimating the power spectrum of anisotropies in the cosmic microwave background (CMB) from interferometer observations. The method calculates flat band-power estimates in separate bins in l-space, together with confidence intervals on the power in each bin. For multifrequen... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2074475 | astro-ph/0201447 | 2002-01-28 | FIRST 0747+2739: A FIRST/2MASS Quasar with an Overabundance of C IV Absorption Systems | We present a Keck ESI spectrum of FIRST 074711.2+273904, a K=15.4 quasar with redshift 4.11 that is detected by both FIRST and 2MASS. The spectrum contains at least 14 independent C IV absorption systems longward of the Ly-alpha forest. These systems are found over a path length of Delta z = 0.984, constituting one of ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14951399 | math/0201269 | 2002-01-28 | Volume, diameter and the minimal mass of a stationary 1-cycle | In this paper we present upper bounds on the minimal mass of a non-trivial stationary 1-cycle. The results that we obtain are valid for all closed Riemannian manifolds. The first result is that the minimal mass of a stationary 1-cycle on a closed n-dimensional Riemannian manifold M^n is bounded from above by (n+2)!d/3,... | [
"math.DG",
"math.MG"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118248693 | astro-ph/0201448 | 2002-01-28 | Virial masses of galactic halos from galaxy-galaxy lensing: theoretical modeling and application to SDSS | We present a theoretical analysis of galaxy-galaxy lensing in the context of halo models with CDM motivated dark matter profiles. The model enables us to separate between the central galactic and noncentral group/cluster contributions. We apply the model to the recent SDSS measurements with known redshifts and luminosi... | [
"astro-ph"
] | null | [
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{
"author_id": "j guzik_1",
"name": "Jacek Guzik",
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{
"author_id": "j guzik_1",
"name": "Jacek Guzik",
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119475847 | cond-mat/0201511 | 2002-01-28 | Automating First-Principles Phase Diagram Calculations | Devising a computational tool that assesses the thermodynamic stability of materials is among the most important steps required to build a ``virtual laboratory'', where materials could be designed from first-principles without relying on experimental input. Although the formalism that allows the calculation of solid st... | [
"cond-mat.stat-mech",
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] | null | [
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{
"author_id": "a walle_1",
"name": "Axel [\"van\",\"de\"] Walle",
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{
"author_id": "m asta_1",
"name": "Mark Asta",
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"h_index": null,
"num_papers": nu... | null |
15486374 | astro-ph/0201450 | 2002-01-28 | Constraints on galaxy halo profiles from galaxy-galaxy lensing and Tully-Fisher/fundamental plane relations | Observations of galaxy-galaxy lensing from Sloan Digital Sky Survey (SDSS) are combined with the Tully-Fisher and fundamental plane relations to derive constraints on galactic halo profiles.We show that both for early and late type galaxies around L* the rotation velocity drops significantly from its peak value at the ... | [
"astro-ph"
] | null | [
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] | [
{
"author_id": "u seljak_2",
"name": "Uroš Seljak",
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] | null |
15771550 | astro-ph/0201477 | 2002-01-29 | Molecular hydrogen at z=1.973 toward Q0013-004: Dust depletion pattern in damped Lyman-alpha systems | We study the dust depletion pattern in eight well separated components of the z=1.973, logN(HI)=20.83, damped Lyman-alpha system toward Q0013-004, four of which have detectable H2 absorption. The apparent correlation between the abundance ratios [Fe/S] and [Si/S] in the components indicates that the abundance pattern i... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16335288 | math/0201285 | 2002-01-29 | Social Choice Under Incomplete, Cyclic Preferences | Actual individual preferences are neither complete (=total) nor antisymmetric in general, so that at least every quasi-order must be an admissible input to a satisfactory choice rule. It is argued that the traditional notion of ``indifference'' in individual preferences is misleading and should be replaced by `equivale... | [
"math.CO"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j heitzig_1",
"name": "Jobst Heitzig",
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}
] | null |
14658174 | astro-ph/0201501 | 2002-01-30 | Cluster cross sections for strong lensing: analytic and numerical lens models | The statistics of gravitationally lensed arcs was recognised earlier as a potentially powerful cosmological probe. However, while fully numerical models find orders of magnitude difference between the arc probabilities in different cosmological models, analytic models tend to find markedly different results. We introdu... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7543010 | astro-ph/0201506 | 2002-01-30 | Observations of the Hubble Deep Field South with the Infrared Space Observatory - I. Observations, data reduction and mid-infrared source counts | We present results from a deep mid-infrared survey of the Hubble Deep Field South (HDF-S) region performed at 7 and 15 micron with the CAM instrument on board the Infrared Space Observatory (ISO). The final map in each band was constructed by the coaddition of four independent rasters, registered using bright sources s... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17088956 | hep-ph/0201288 | 2002-01-30 | Connecting structure functions on the lattice with phenomenology | We examine the extraction of moments of parton distributions from lattice data, focusing in particular on the chiral extrapolation as a function of the quark mass. Inclusion of the correct chiral behavior of the spin-averaged isovector distribution resolves a long-standing discrepancy between the lattice moments and ex... | [
"hep-ph",
"hep-lat",
"nucl-th"
] | null | [
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{
"author_id": "w detmold_1",
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{
"author_id": "w melnitchouk_1",
"name": "Wally Melnitchouk",
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15009857 | math/0201298 | 2002-01-30 | Qualitative Visualization of Distance Information | Different types of two- and three-dimensional representations of a finite metric space are studied that focus on the accurate representation of the linear order among the distances rather than their actual values. Lower and upper bounds for representability probabilities are produced by experiments including random gen... | [
"math.CO",
"cs.CG"
] | null | [
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{
"author_id": "j heitzig_1",
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}
] | null |
17239447 | nlin/0202004 | 2002-02-01 | Time Domain Computation of a Nonlinear Nonlocal Cochlear Model with Applications to Multitone Interaction in Hearing | A nonlinear nonlocal cochlear model of the transmission line type is studied in order to capture the multitone interactions and resulting tonal suppression effects. The model can serve as a module for voice signal processing, it is a one dimensional (in space) damped dispersive nonlinear PDE based on mechanics and phen... | [
"nlin.PS"
] | null | [
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] | [] | [
{
"author_id": "j xin_1",
"name": "Jack Xin",
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{
"author_id": "y qi_15",
"name": "Yingyong Qi",
"publication_history": null,
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17069307 | astro-ph/0202134 | 2002-02-06 | Dust depletion and abundance pattern in damped Lyman-alpha systems: a sample of Mn and Ti abundances at z<2.2 | We analyse a sample of 24 damped Lyman-alpha (DLA)/moderate DLA systems at 0.3<z<2.2, all with measurement of the weak MnII absorption lines, to investigate which elemental ratios could possibly be used as tracers of either dust depletion or nucleosynthesis effects. We applied a component-by-component analysis and show... | [
"astro-ph"
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"corpus_id": "18720357",
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] | [
{
"author_id": "c ledoux_1",
"name": "Cédric Ledoux",
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{
"author_id": "j bergeron_1",
"name": "Jacqueline Bergeron",
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3084654 | hep-th/0202044 | 2002-02-07 | Brane Cosmology | The aim of these lectures is to give a brief introduction to brane cosmology. After introducing some basic geometrical notions, we discuss the cosmology of a brane universe with matter localized on the brane. Then we introduce an intrinsic curvature scalar term in the bulk action, and analyze the cosmology of this indu... | [
"hep-th",
"gr-qc"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14132021 | cond-mat/0202112 | 2002-02-07 | Secure exchange of information by synchronization of neural networks | A connection between the theory of neural networks and cryptography is presented. A new phenomenon, namely synchronization of neural networks is leading to a new method of exchange of secret messages. Numerical simulations show that two artificial networks being trained by Hebbian learning rule on their mutual outputs ... | [
"cond-mat.stat-mech",
"cond-mat.dis-nn"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15242351 | astro-ph/0202200 | 2002-02-10 | Neutrino flux predictions for known Galactic microquasars | It has been proposed recently that Galactic microquasars may be prodigious emitters of TeV neutrinos that can be detected by upcoming km^2 neutrino telescopes. In this paper we consider a sample of identified microquasars and microquasar candiates, for which available data enables rough determination of the jet paramet... | [
"astro-ph",
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6386670 | cs/0202009 | 2002-02-11 | Non-negative sparse coding | Non-negative sparse coding is a method for decomposing multivariate data into non-negative sparse components. In this paper we briefly describe the motivation behind this type of data representation and its relation to standard sparse coding and non-negative matrix factorization. We then give a simple yet efficient mul... | [
"cs.NE",
"cs.CV"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
59278 | math/0202084 | 2002-02-11 | From racks to pointed Hopf algebras | A fundamental step in the classification of finite-dimensional complex pointed Hopf algebras is the determination of all finite-dimensional Nichols algebras of braided vector spaces arising from groups. The most important class of braided vector spaces arising from groups is the class of braided vector spaces (CX, c^q)... | [
"math.QA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
34936558 | hep-th/0202072 | 2002-02-11 | Statistical interpretation of Bekenstein entropy for systems with a stretched horizon | For the 2-charge extremal holes in string theory we show that the Bekenstein entropy obtained from the area of the stretched horizon has a statistical interpretation as a `coarse graining entropy': different microstates give geometries that differ near r=0 and the stretched horizon cuts off the metric at r=b where thes... | [
"hep-th",
"gr-qc"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5695190 | cond-mat/0202190 | 2002-02-11 | Threshold Disorder as a Source of Diverse and Complex Behavior in Random Nets | We study the diversity of complex spatio-temporal patterns in the behavior of random synchronous asymmetric neural networks (RSANNs). Special attention is given to the impact of disordered threshold values on limit-cycle diversity and limit-cycle complexity in RSANNs which have `normal' thresholds by default. Surprisin... | [
"cond-mat.dis-nn",
"cs.NE",
"q-bio.NC"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "p mcguire_1",
"name": "Patrick [\"C.\"] McGuire",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "h bohr_0",
"name": "Henrik Bohr",
"publication_history": null,
"h_index": null,
"num_papers": n... | null |
119044507 | hep-ph/0202088 | 2002-02-11 | Hard Scattering Factorization from Effective Field Theory | In this paper we show how gauge symmetries in an effective theory can be used to simplify proofs of factorization formulae in highly energetic hadronic processes. We use the soft-collinear effective theory, generalized to deal with back-to-back jets of collinear particles. Our proofs do not depend on the choice of a pa... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16318604 | physics/0202037 | 2002-02-12 | Products of Random Matrices | We derive analytic expressions for infinite products of random 2x2 matrices. The determinant of the target matrix is log-normally distributed, whereas the remainder is a surprisingly complicated function of a parameter characterizing the norm of the matrix and a parameter characterizing its skewness. The distribution m... | [
"physics.data-an",
"physics.gen-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17596166 | astro-ph/0202228 | 2002-02-12 | Submillimeter Galaxies | A cosmologically significant population of very luminous high-redshift galaxies has recently been discovered at submm wavelengths. Advances in submm detector technologies have opened this new window on the distant Universe. Here we discuss the properties of the high-redshift submm galaxies, their significance for our u... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14723626 | quant-ph/0202066 | 2002-02-12 | Quantum DNF Learnability Revisited | We describe a quantum PAC learning algorithm for DNF formulae under the uniform distribution with a query complexity of $\tilde{O}(s^{3}/\epsilon + s^{2}/\epsilon^{2})$, where $s$ is the size of DNF formula and $\epsilon$ is the PAC error accuracy. If $s$ and $1/\epsilon$ are comparable, this gives a modest improvement... | [
"quant-ph"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "5288694",
"num_citations": null
}
] | [
{
"author_id": "j jackson_13",
"name": "Jeffrey [\"C.\"] Jackson",
"publication_history": null,
"h_index": null,
"num_papers": null,
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},
{
"author_id": "c tamon_1",
"name": "Christino Tamon",
"publication_history": null,
"h_index": null,
"num_pape... | null |
18091063 | astro-ph/0202273 | 2002-02-14 | Are There Unstable Planetary Systems Around White Dwarfs? | The presence of planets around solar-type stars suggests that many white dwarfs should have relic planetary systems. While planets closer than $\sim$ 5~AU will most likely not survive the post-main sequence lifetime of its parent star, any planet with semimajor axis $>$ 5~AU will survive, and its semimajor axis will in... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119072116 | astro-ph/0202305 | 2002-02-15 | Evidence for Harmonic Relationships in the High Frequency QPOs of XTE J1550-564 and GRO J1655-40 | We continue to investigate the X-ray timing and spectral properties of the black hole binary, XTE J1550-564. For three different groups of observations, we show evidence that two high-frequency QPOs (HFQPOs) occur simultaneously near 184 and 276 Hz. In one group, there is also evidence of a broad feature at 92 Hz. In e... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14762295 | hep-th/0202096 | 2002-02-15 | dS/CFT Correspondence in Two Dimensions | We discuss the quantization of a scalar particle moving in two-dimensional de Sitter space. We construct the conformal quantum mechanical model on the asymptotic boundary of de Sitter space in the infinite past. We obtain explicit expressions for the generators of the conformal group and calculate the eigenvalues of th... | [
"hep-th"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "s ness_1",
"name": "Scott Ness",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "g siopsis_1",
"name": "George Siopsis",
"publication_history": null,
"h_index": null,
"num_papers": null,
"n... | null |
5973565 | cs/0202017 | 2002-02-15 | Truth Revelation in Approximately Efficient Combinatorial Auctions | Some important classical mechanisms considered in Microeconomics and Game Theory require the solution of a difficult optimization problem. This is true of mechanisms for combinatorial auctions, which have in recent years assumed practical importance, and in particular of the gold standard for combinatorial auctions, th... | [
"cs.GT"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "d lehmann_1",
"name": "Daniel [\"J.\"] Lehmann",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "l o'callaghan_0",
"name": "Liadan O'Callaghan",
"publication_history": null,
"h_index": null,
"n... | null |
1942091 | math/0202146 | 2002-02-15 | Traffic Flow on a Road Network | This paper is concerned with a fluidodynamic model for traffic flow. More precisely, we consider a single conservation law, deduced from conservation of the number of cars, defined on a road network that is a collection of roads with junctions. The evolution problem is underdetermined at junctions, hence we choose to h... | [
"math.AP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2241237 | cs/0202015 | 2002-02-15 | Combinatorial Auctions with Decreasing Marginal Utilities | In most of microeconomic theory, consumers are assumed to exhibit decreasing marginal utilities. This paper considers combinatorial auctions among such submodular buyers. The valuations of such buyers are placed within a hierarchy of valuations that exhibit no complementarities, a hierarchy that includes also OR and XO... | [
"cs.GT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8674477 | hep-th/0202111 | 2002-02-18 | Penrose limits, supergravity and brane dynamics | We investigate the Penrose limits of classical string and M-theory backgrounds. We prove that the number of (super)symmetries of a supergravity background never decreases in the limit. We classify all the possible Penrose limits of AdS x S spacetimes and of supergravity brane solutions. We also present the Penrose limi... | [
"hep-th",
"gr-qc",
"math.DG"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1833008 | cond-mat/0202298 | 2002-02-18 | Epidemic dynamics in finite size scale-free networks | Many real networks present a bounded scale-free behavior with a connectivity cut-off due to physical constraints or a finite network size. We study epidemic dynamics in bounded scale-free networks with soft and hard connectivity cut-offs. The finite size effects introduced by the cut-off induce an epidemic threshold th... | [
"cond-mat.stat-mech",
"q-bio"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7939392 | cs/0202021 | 2002-02-18 | Nonmonotonic Reasoning, Preferential Models and Cumulative Logics | Many systems that exhibit nonmonotonic behavior have been described and studied already in the literature. The general notion of nonmonotonic reasoning, though, has almost always been described only negatively, by the property it does not enjoy, i.e. monotonicity. We study here general patterns of nonmonotonic reasonin... | [
"cs.AI"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
30902594 | cond-mat/0202316 | 2002-02-19 | Quantum Monte Carlo with Directed Loops | We introduce the concept of directed loops in stochastic series expansion and path integral quantum Monte Carlo methods. Using the detailed balance rules for directed loops, we show that it is possible to smoothly connect generally applicable simulation schemes (in which it is necessary to include back-tracking process... | [
"cond-mat.str-el",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16075481 | astro-ph/0202359 | 2002-02-19 | Photometric redshifts from evolutionary synthesis with PEGASE: the code ZPEG and the z=0 age constraint | Photometric redshifts are estimated on the basis of template scenarios with the help of the code ZPEG, an extension of the galaxy evolution model PEGASE.2 and available on the PEGASE web site. The spectral energy distribution (SED) templates are computed for nine spectral types including starburst, irregular, spiral an... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16608072 | astro-ph/0202354 | 2002-02-19 | SDSS J124602.54+011318.8: A Highly Variable AGN, Not an Orphan GRB Afterglow | The optically variable source SDSS J124602.54+011318.8 first appears in Sloan Digital Sky Survey (SDSS) data as a bright point source with nonstellar colors. Subsequent SDSS imaging and spectroscopy showed that the point source declined or disappeared, revealing an underlying host galaxy at redshift 0.385. Based on the... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a gal-yam_1",
"name": "Avishay Gal-yam",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "e ofek_2",
"name": "Eran. [\"O.\"] Ofek",
"publication_history": null,
"h_index": null,
"num_papers": nu... | null |
119355645 | hep-ph/0202176 | 2002-02-19 | Next-to-leading order corrections to W+2 jet and Z+2 jet production at hadron colliders | We report on QCD radiative corrections to the processes p pbar --> W + 2 jets and p pbar --> Z + 2 jets at the Tevatron. These processes are included in the Monte Carlo program MCFM, which allows the calculation of any infra-red finite variable at next-to-leading order. Due to a better theoretical description of jets a... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
40599368 | astro-ph/0202363 | 2002-02-20 | Spectral Energy Distributions and Age Estimates of 78 Star Clusters in M33 | In this third paper of our series, we present CCD spectrophotometry of 78 star clusters that were detected by Chandar, Bianchi, & Ford in the nearby spiral galaxy M33. CCD images of M33 were obtained as a part of the BATC Color Survey of the sky in 13 intermediate-band filters from 3800 to 10000{\AA}. By aperture photo... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "5595794",
"num_citations": null
}
] | [
{
"author_id": "j ma_94",
"name": "Jun Ma",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "x zhou_42",
"name": "Xu Zhou",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations":... | null |
119064432 | hep-ph/0202199 | 2002-02-21 | Physics Opportunities at mu+mu- Higgs Factories | We update theoretical studies of the physics opportunities presented by mu+mu- Higgs factories. Interesting measurements of the Standard Model Higgs decays into {\bar b}b, tau+tau- and WW* may be possible if the Higgs mass is less than about 160 GeV, as preferred by the precision electroweak data, the mass range being ... | [
"hep-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "c blochinger_0",
"name": "C. Blochinger",
"publication_history": null,
"h_index": null,
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},
{
"author_id": "m carena_1",
"name": "Marcela Carena",
"publication_history": null,
"h_index": null,
"num_papers": null... | null |
42694366 | quant-ph/0202118 | 2002-02-21 | A quantum protocol for cheat-sensitive weak coin flipping | We present a quantum protocol for the task of weak coin flipping. We find that, for one choice of parameters in the protocol, the maximum probability of a dishonest party winning the coin flip if the other party is honest is 1/sqrt(2). We also show that if parties restrict themselves to strategies wherein they cannot b... | [
"quant-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "r spekkens_1",
"name": "Robert [\"W.\"] Spekkens",
"publication_history": null,
"h_index": null,
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},
{
"author_id": "t rudolph_1",
"name": "Terry Rudolph",
"publication_history": null,
"h_index": null,
"num_pape... | null |
18184033 | cond-mat/0202392 | 2002-02-22 | Geometrical explanation and scaling of dynamical heterogeneities in glass forming systems | We show how dynamical heterogeneities in glass forming systems emerge as a consequence of the existence of dynamical constraints, and we offer an interpretation of the glass transition as an entropy crisis in trajectory space (space-time) rather than in configuration space. To illustrate our general ideas, we analyze t... | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "j garrahan_1",
"name": "Juan [\"P.\"] Garrahan",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "d chandler_1",
"name": "David [\"W.\"] Chandler",
"publication_history": null,
"h_index": null,
... | null |
119475008 | cond-mat/0202399 | 2002-02-22 | Electrostatics in Periodic Slab Geometries I | We propose a new method to sum up electrostatic interactions in 2D slab geometries. It consists of a combination of two recently proposed methods, the 3D Ewald variant of Yeh and Berkowitz, J. Chem. Phys. 111 (1999) 3155, and the purely 2D method MMM2D by Arnold and Holm, to appear in Chem. Phys. Lett. 2002. The basic ... | [
"cond-mat.mtrl-sci",
"cond-mat.soft"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16783054 | math/0202225 | 2002-02-22 | Equivalence of time-domain inverse problems and boundary spectral problems | We consider inverse problems for wave, heat and Schr\"odinger-type operators and corresponding spectral problems on domains of ${\bf R}^n$ and compact manifolds. Also, we study inverse problems where coefficients of partial differential operator have to be found when one knows how much energy it is required to force th... | [
"math.AP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
30284459 | cond-mat/0202410 | 2002-02-22 | Attack vulnerability of complex networks | We study the response of complex networks subject to attacks on vertices and edges. Several existing complex network models as well as real-world networks of scientific collaborations and Internet traffic are numerically investigated, and the network performance is quantitatively measured by the average inverse geodesi... | [
"cond-mat.dis-nn"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
55868562 | cond-mat/0202397 | 2002-02-22 | Anatomy of Spin-Transfer Torque | Spin-transfer torques occur in magnetic heterostructures because the transverse component of a spin current that flows from a non-magnet into a ferromagnet is absorbed at the interface. We demonstrate this fact explicitly using free electron models and first principles electronic structure calculations for real materia... | [
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14163290 | hep-th/0202157 | 2002-02-22 | Penrose Limit of N=1 Gauge Theories | We find a Penrose limit of AdS_5 x T^{1,1} which gives the pp-wave geometry identical to the one that appears in the Penrose limit of AdS_5 x S^5. This leads us to conjecture that there is a subsector of the corresponding N=1 gauge theory which has enhanced N=4 supersymmetry. We identify operators in the N=1 gauge theo... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16363322 | nlin/0202051 | 2002-02-23 | Geometrical Obstruction to the Integrability of Geodesic Flows: an Application to the Anisotropic Kepler Problem | Resorting to classical techniques of Riemannian geometry we develop a geometrical method suitable to investigate the nonintegrability of geodesic flows and of natural Hamiltonian systems. Then we apply such method to the Anisotropic Kepler Problem (AKP) and we prove that it is not analytically integrable. | [
"nlin.CD"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m santoprete_1",
"name": "Manuele Santoprete",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
18291225 | math/0202261 | 2002-02-25 | The co-rank conjecture for 3-manifold groups | In this paper we construct explicit examples of both closed and non-compact finite volume hyperbolic manifolds which provide counterexamples to the conjecture that the co-rank of a 3-manifold group (also known as the cut number) is bounded below by one-third the first Betti number. | [
"math.GT",
"math.GR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119081574 | astro-ph/0202461 | 2002-02-25 | Meeting the Cool Neighbors III: Spectroscopy of Northern NLTT Stars | We present initial results of an all-sky search for late-type dwarfs within 20 pc of the Sun using the New Luyten Two-Tenths (NLTT) catalog cross-referenced with the 2-Micron All Sky Survey (2MASS) database. The results were obtained with low-resolution optical spectroscopic follow-up of candidate nearby-stars as a pre... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8649740 | hep-lat/0202025 | 2002-02-25 | Numerical Methods for the QCD Overlap Operator: I. Sign-Function and Error Bounds | The numerical and computational aspects of the overlap formalism in lattice quantum chromodynamics are extremely demanding due to a matrix-vector product that involves the sign function of the hermitian Wilson matrix. In this paper we investigate several methods to compute the product of the matrix sign-function with a... | [
"hep-lat"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15448366 | quant-ph/0202155 | 2002-02-26 | Dynamics of quantum adiabatic evolution algorithm for Number Partitioning | We have developed a general technique to study the dynamics of the quantum adiabatic evolution algorithm applied to random combinatorial optimization problems in the asymptotic limit of large problem size $n$. We use as an example the NP-complete Number Partitioning problem and map the algorithm dynamics to that of an ... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18297824 | nlin/0202060 | 2002-02-27 | Mel'nikov method revisited | We illustrate a completely analytic approach to Mel'nikov theory, which is based on a suitable extension of a classical method, and which is parallel and -- at least in part -- complementary to the standard procedure. This approach can be also applied to some ``degenerate'' situations, as to the case of nonhyperbolic u... | [
"nlin.CD"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "14632057",
"num_citations": null
}
] | [
{
"author_id": "g cicogna_1",
"name": "Giampaolo Cicogna",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "v buonarroti_0",
"name": "Via [\"F.\"] Buonarroti",
"publication_history": null,
"h_index": null,
"num... | null |
7477299 | math/0202286 | 2002-02-27 | Boundaries of hyperbolic groups | We survey the known results regarding the boundaries of word-hyperbolic groups. | [
"math.GR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18417413 | physics/0202070 | 2002-02-27 | Multifractal detrended fluctuation analysis of nonstationary time series | We develop a method for the multifractal characterization of nonstationary time series, which is based on a generalization of the detrended fluctuation analysis (DFA). We relate our multifractal DFA method to the standard partition function-based multifractal formalism, and prove that both approaches are equivalent for... | [
"physics.data-an",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
30240779 | astro-ph/0202512 | 2002-02-28 | A Hierarchical O(N) Force Calculation Algorithm | A novel code for the approximate computation of long-range forces between N mutually interacting bodies is presented. The code is based on a hierarchical tree of cubic cells and features mutual cell-cell interactions which are calculated via a Cartesian Taylor expansion in a symmetric way, such that total momentum is c... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15837742 | astro-ph/0202520 | 2002-02-28 | Towards a model of full-sky Galactic synchrotron intensity and linear polarisation: a re-analysis of the Parkes data | We have analysed the angular power spectra of the Parkes radio continuum and polarisation survey of the Southern galactic plane at 2.4 GHz. We have found that in the multipole range l=40-250 the angular power spectrum of the polarised intensity is well described by a power-law spectrum with fitted spectral index alpha_... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15193516 | cond-mat/0203026 | 2002-03-01 | Random Geometric Graphs | We analyse graphs in which each vertex is assigned random coordinates in a geometric space of arbitrary dimensionality and only edges between adjacent points are present. The critical connectivity is found numerically by examining the size of the largest cluster. We derive an analytical expression for the cluster coeff... | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13968523 | nlin/0203002 | 2002-03-01 | Excitation of travelling multibreathers in anharmonic chains | We study the dynamics of the "externally" forced and damped Fermi-Pasta-Ulam (FPU) 1D lattice. The forcing has the spatial symmetry of the Fourier mode with wavenumber p and oscillates sinusoidally in time with the frequency omega. When omega is in the phonon band, the p-mode becomes modulationally unstable above a cri... | [
"nlin.PS"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "r khomeriki_1",
"name": "Ramaz Khomeriki",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "s lepri_2",
"name": "Stefano Lepri",
"publication_history": null,
"h_index": null,
"num_papers": null,... | null |
8430774 | cond-mat/0203058 | 2002-03-04 | Screw dislocations in the field theory of elastoplasticity | A (microscopic) static elastoplastic field theory of dislocations with moment and force stresses is considered. The relationship between the moment stress and the Nye tensor is used for the dislocation Lagrangian. We discuss the stress field of an infinitely long screw dislocation in a cylinder, a dipole of screw dislo... | [
"cond-mat.mtrl-sci",
"gr-qc"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119002674 | quant-ph/0203013 | 2002-03-04 | Stationary cantilever vibrations in the oscillating cantilever-driven adiabatic reversals -- magnetic resonance force microscopy technique | We consider theoretically the novel technique in magnetic resonance force microscopy which is called ``oscillating cantilever-driven adiabatic reversals''. We present analytical and numerical analysis for the stationary cantilever vibrations in this technique. For reasonable values of parameters we estimate the resonan... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119372286 | astro-ph/0203043 | 2002-03-04 | RXJ0806.3+1527: a double degenerate binary with the shortest known orbital period (321s) | We carried out optical observations of the field of the X-ray pulsator RXJ0806.3+1527. A blue V=21.1 star was found to be the only object consistent with the X-ray position. VLT FORS spectra revealed a blue continuum with no intrinsic absorption lines. Broad (v~1500 km/s), low equivalent width (about -1/-6A) emission l... | [
"astro-ph",
"gr-qc"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8951939 | cond-mat/0203096 | 2002-03-05 | Aging in ferromagnetic systems at criticality near four dimensions | We study the off-equilibrium response and correlation functions and the corresponding fluctuation-dissipation ratio for a purely dissipative relaxation of an O(N) symmetric vector model (Model A) below its upper critical dimension. The scaling behavior of these quantities is analyzed and the associated universal functi... | [
"cond-mat.stat-mech",
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119419234 | cond-mat/0203076 | 2002-03-05 | Neutron scattering search for static magnetism in oxygen ordered YBa2Cu3O6.5 | We present elastic and inelastic neutron scattering results on highly oxygen ordered YBa2Cu3O6.5 ortho-II. We find no evidence for the presence of ordered magnetic moments to a sensitivity of 0.003 Bohr magnetons, an order of magnitude smaller than has been suggested in theories of orbital or d-density-wave (DDW) curre... | [
"cond-mat.supr-con",
"cond-mat.str-el"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "c stock_1",
"name": "C. Stock",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "w buyers_0",
"name": "William [\"J.\",\"L.\"] Buyers",
"publication_history": null,
"h_index": null,
"num_papers"... | null |
14924435 | cond-mat/0203127 | 2002-03-06 | The Geometry of Soft Materials: A Primer | We present an overview of the differential geometry of curves and surfaces using examples from soft matter as illustrations. The presentation requires a background only in vector calculus and is otherwise self-contained. | [
"cond-mat.soft",
"cond-mat.mtrl-sci",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8359495 | astro-ph/0203082 | 2002-03-06 | Observational constraints on growth of massive black holes | We study the observational constraints on the growth of massive black holes (BHs) in galactic nuclei. We use the velocity dispersions of early-type galaxies obtained by the SDSS and the relation between BH mass and velocity dispersion to estimate the local BH mass density to be 2.5x10^5 Msun/Mpc^3. We also use the QSO ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
36097700 | cond-mat/0203165 | 2002-03-07 | Anharmonicity, vibrational instability and Boson peak in glasses | We show that a {\em vibrational instability} of the spectrum of weakly interacting quasi-local harmonic modes creates the maximum in the inelastic scattering intensity in glasses, the Boson peak. The instability, limited by anharmonicity, causes a complete reconstruction of the vibrational density of states (DOS) below... | [
"cond-mat.dis-nn",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
36614096 | quant-ph/0203033 | 2002-03-07 | Quantum entropy and special relativity | We consider a single free spin 1/2 particle. The reduced density matrix for its spin is not covariant under Lorentz transformations. The spin entropy is not a relativistic scalar and has no invariant meaning. | [
"quant-ph",
"hep-th"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a peres_1",
"name": "Asher Peres",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "p scudo_0",
"name": "Petra [\"F.\"] Scudo",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
16951656 | astro-ph/0203102 | 2002-03-07 | Planet accretion and the abundances of lithium isotopes | Planet accretion onto solar type stars may significantly change the stellar atmospheric abundances of 6Li and 7Li if it takes place after the star has arrived at the main sequence. Ingestion of planets at an earlier phase will not affect theses abundances because of extensive pre-main sequence mixing and burning. We pr... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16501754 | astro-ph/0203117 | 2002-03-07 | Cosmological constraints from the masses and abundances of L* galaxies | We place limits on the mean density of the universe and the slope of the linear power spectrum around a megaparsec scale by comparing the universal mass function to the observed luminosity function. Numerical simulations suggest that the dark matter halo mass function at small scales depends only on Omega_m(n_eff+3) in... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "11226913",
"num_citations": null
},
{
"corpus_id": "10389333",
"num_citations": null
},
{
"corpus_id": "15486374",
"num_citations": null
},
{
"corpus_id": "6343114",
"num_citations": null
},
{
"corpus_id": "118248693",
"num_citations": null
}... | [
{
"author_id": "u seljak_2",
"name": "Uroš Seljak",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
16573875 | math/0203083 | 2002-03-08 | Quantum Cohomology and Morse Theory on the Loop Space of Toric Varieties | On a symplectic manifold $M$, the quantum product defines a complex, one parameter family of flat connections called the A-model or Dubrovin connections. Let $\hbar$ denote the parameter. Associated to them is the quantum $\mathcal{D}$ - module ${\mathcal{D}}/I$ over the Heisenberg algebra of first order differential o... | [
"math.AG",
"math.SG"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "y vlassopoulos_1",
"name": "Yiannis Vlassopoulos",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
15294184 | astro-ph/0203142 | 2002-03-09 | Systematic Effects on Tangential and Radial Arc Statistics: The Finite Source Size and Ellipticities of the Lens and Source | It has been recognized that the arc statistics of gravitational lensing is a useful probe of the density profile of clusters of galaxies. We examine several systematic effects which are important in predicting the number of arcs, with particular attention to the difference between tangential and radial arcs. First we d... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17561071 | astro-ph/0203169 | 2002-03-11 | Sample Variance Considerations for Cluster Surveys | We present a general statistical framework for describing the effect of sample variance in the number counts of virialized objects and examine its effect on cosmological parameter estimation. Specifically, we consider effects of sample variance on the power spectrum normalization and properties of dark energy extracted... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
117839544 | hep-ex/0203016 | 2002-03-12 | Search for a Higgs Boson Decaying into Two Photons at LEP | A Higgs particle produced in association with a Z boson and decaying into two photons is searched for in the data collected by the L3 experiment at LEP. All possible decay modes of the Z boson are investigated. No signal is observed in 447.5 pb^-1 of data recorded at centre-of-mass energies up to 209 GeV. Limits on the... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "p achard_1",
"name": "Pablo Achard",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "o adriani_1",
"name": "Oscar Adriani",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
24324499 | cond-mat/0203239 | 2002-03-12 | Why is nacre strong? II: remaining mechanical weakness for cracks propagating along the sheets | In our previous paper (Eur. Phys. J. E 4, 121 (2001)) we proposed a coarse-grained elastic energy for nacre, or stratified structure of hard and soft layers. We then analyzed a crack running perpendicular to the layers and suggested one possible reason for the enhanced toughness of this substance. In the present paper,... | [
"cond-mat.soft",
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
55096624 | hep-th/0203101 | 2002-03-12 | The holographic principle | There is strong evidence that the area of any surface limits the information content of adjacent spacetime regions, at 10^(69) bits per square meter. We review the developments that have led to the recognition of this entropy bound, placing special emphasis on the quantum properties of black holes. The construction of ... | [
"hep-th",
"astro-ph",
"gr-qc",
"hep-ph",
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
47576122 | cs/0203019 | 2002-03-13 | GridSim: A Toolkit for the Modeling and Simulation of Distributed Resource Management and Scheduling for Grid Computing | Clusters, grids, and peer-to-peer (P2P) networks have emerged as popular paradigms for next generation parallel and distributed computing. The management of resources and scheduling of applications in such large-scale distributed systems is a complex undertaking. In order to prove the effectiveness of resource brokers ... | [
"cs.DC"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
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