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 ⌀ |
|---|---|---|---|---|---|---|---|---|---|---|
15583751 | astro-ph/0604385 | 2006-04-18 | Automated derivation of stellar atmospheric parameters and chemical abundances: the MATISSE algorithm | We present an automated procedure for the derivation of atmospheric parameters (Teff, log g, [M/H]) and individual chemical abundances from stellar spectra. The MATrix Inversion for Spectral SythEsis (MATISSE) algorithm determines a basis, B_\theta(\lambda), allowing to derive a particular stellar parameter \theta by p... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8047671 | physics/0604149 | 2006-04-18 | Metaphoric optical computing of fluid dynamics | We present theoretical and numerical evidence to show that self-defocusing nonlinear optical propagation can be used to compute Euler fluid dynamics and possibly Navier-Stokes fluid dynamics. In particular, the formation of twin vortices and the K\'arm\'an vortex street behind an obstacle, two well-known viscous fluid ... | [
"physics.optics",
"physics.flu-dyn"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m tsang_3",
"name": "Mankei Tsang",
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{
"author_id": "d psaltis_2",
"name": "Demetri Psaltis",
"publication_history": null,
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... | null |
60243 | cs/0604075 | 2006-04-19 | Naming Games in Spatially-Embedded Random Networks | We investigate a prototypical agent-based model, the Naming Game, on random geometric networks. The Naming Game is a minimal model, employing local communications that captures the emergence of shared communication schemes (languages) in a population of autonomous semiotic agents. Implementing the Naming Games on rando... | [
"cs.MA",
"cond-mat.stat-mech",
"cs.AI"
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{
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{
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{
"author_id": "q lu_3",
"name": "Qiming Lu",
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{
"author_id": "g korniss_1",
"name": "Gyorgy Korniss",
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14690376 | hep-ex/0604038 | 2006-04-19 | Evidence for an Excess of Soft Photons in Hadronic Decays of Z^0 | Soft photons inside hadronic jets converted in front of the DELPHI main tracker (TPC) in events of qqbar disintegrations of the Z^0 were studied in the kinematic range 0.2 < E_gamma < 1 GeV and transverse momentum with respect to the closest jet direction p_T < 80 MeV/c. A clear excess of photons in the experimental da... | [
"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",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
18427432 | astro-ph/0604404 | 2006-04-19 | High frequency observations of southern pulsars | We present polarization data for 32 mainly southern pulsars at 8.4 GHz. The observations show that the polarization fraction is low in most pulsars at this frequency except for the young, energetic pulsars which continue to show polarization fractions in excess of 60 per cent. All the pulsars in the sample show evidenc... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119488595 | cond-mat/0604451 | 2006-04-19 | Nature of the antiferromagnetic to valence-bond-solid quantum phase transition in a 2D XY-model with four-site interactions | We report large-scale quantum Monte Carlo calculations at the T=0 antiferromagnetic to valence-bond-solid (VBS) transition of a two-dimensional S=1/2 XY model with four-spin interactions. Finite-size scaling suggests a discontinuous spin stiffness, but a continuous VBS order-parameter. We propose that this is a continu... | [
"cond-mat.str-el"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a sandvik_1",
"name": "Anders [\"W.\"] Sandvik",
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},
{
"author_id": "r melko_1",
"name": "Roger [\"G.\"] Melko",
"publication_history": null,
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36398052 | astro-ph/0604426 | 2006-04-20 | The UKIRT Infrared Deep Sky Survey (UKIDSS) | We describe the goals, design, implementation, and initial progress of the UKIRT Infrared Deep Sky Survey (UKIDSS), a seven year sky survey which began in May 2005, using the UKIRT Wide Field Camera. It is a portfolio of five survey components covering various combinations of the filter set ZYJHK and H_2. The Large Are... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15463046 | physics/0604166 | 2006-04-20 | Type Indeterminacy: A Model for the KT(Kahneman-Tversky)-Man | In this paper we propose to use elements of the mathematical formalism of Quantum Mechanics to capture the idea that agents' preferences, in addition to being typically uncertain, can also be indeterminate. They are determined (i.e., realized, and not merely revealed) only when the action takes place. An agent is descr... | [
"physics.soc-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
954058 | cond-mat/0604480 | 2006-04-20 | First-principles studies of ground- and excited-state properties of MgO, ZnO, and CdO polymorphs | An ab initio pseudopotential method based on density functional theory, generalized gradient corrections to exchange and correlation, and projector-augmented waves is used to investigate structural, energetical, electronic and optical properties of MgO, ZnO, and CdO in rocksalt, cesium chloride, zinc blende, and wurtzi... | [
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a schleife_1",
"name": "André Schleife",
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{
"author_id": "f fuchs_2",
"name": "Frank Fuchs",
"publication_history": null,
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... | null |
16845046 | astro-ph/0604427 | 2006-04-20 | Modelling the Galactic Interstellar Extinction Distribution in Three Dimensions | The Two Micron All Sky Survey, along with the Stellar Population Synthesis Model of the Galaxy, developed in Besancon, is used to calculate the extinction distribution along different lines of sight. By combining many lines of sight, the large scale distribution of interstellar material can be deduced. The Galaxy model... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
11173682 | astro-ph/0604442 | 2006-04-20 | The Survey for Ionization in Neutral Gas Galaxies- II. The Star Formation Rate Density of the Local Universe | We derive observed Halpha and R band luminosity densities of an HI-selected sample of nearby galaxies using the SINGG sample to be l_Halpha' = (9.4 +/- 1.8)e38 h_70 erg s^-1 Mpc^-3 for Halpha and l_R' = (4.4 +/- 0.7)e37 h_70 erg s^-1 A^-1 Mpc^-3 in the R band. This R band luminosity density is approximately 70% of that... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5543692 | astro-ph/0604469 | 2006-04-21 | Modeling the Large Scale Structures of Astrophysical Jets in the Magnetically Dominated Limit | We suggest a new approach that could be used for modeling both the large scale behavior of astrophysical jets and the magnetically dominated explosions in astrophysics. We describe a method for modeling the injection of magnetic fields and their subsequent evolution in a regime where the free energy is magnetically dom... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15383419 | nlin/0604052 | 2006-04-21 | Denoising Deterministic Time Series | This paper is concerned with the problem of recovering a finite, deterministic time series from observations that are corrupted by additive, independent noise. A distinctive feature of this problem is that the available data exhibit long-range dependence and, as a consequence, existing statistical theory and methods ar... | [
"nlin.CD"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16317400 | hep-ex/0604042 | 2006-04-21 | Test of Colour Reconnection Models using Three-Jet Events in Hadronic Z Decays | Hadronic Z decays into three jets are used to test QCD models of colour reconnection (CR). A sensitive quantity is the rate of gluon jets with a gap in the particle rapidity distribution and zero jet charge. Gluon jets are identified by either energy-ordering or by tagging two b-jets. The rates predicted by two string-... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "s schael_1",
"name": "Stefan Schael",
"publication_history": null,
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},
{
"author_id": "r barate_2",
"name": "Renaud Barate",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
3471499 | cs/0604095 | 2006-04-24 | Fixed-Parameter Complexity of Minimum Profile Problems | Let $G=(V,E)$ be a graph. An ordering of $G$ is a bijection $\alpha: V\dom \{1,2,..., |V|\}.$ For a vertex $v$ in $G$, its closed neighborhood is $N[v]=\{u\in V: uv\in E\}\cup \{v\}.$ The profile of an ordering $\alpha$ of $G$ is $\prf_{\alpha}(G)=\sum_{v\in V}(\alpha(v)-\min\{\alpha(u): u\in N[v]\}).$ The profile $\pr... | [
"cs.DS",
"cs.DM"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "g gutin_1",
"name": "Gregory Gutin",
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},
{
"author_id": "s szeider_1",
"name": "Stefan Szeider",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
18944930 | astro-ph/0604508 | 2006-04-24 | Gamma-Hadron Separation Methods for the VERITAS Array of Four Imaging Atmospheric Cherenkov Telescopes | Ground-based arrays of imaging atmospheric Cherenkov telescopes have emerged as the most sensitive gamma-ray detectors in the energy range of about 100 GeV and above. The strengths of these arrays are a very large effective collection area on the order of 100,000 square meter, combined with excellent single photon angu... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
12055039 | math/0604507 | 2006-04-24 | Upper bound for topological entropy of a meromorphic correspondence | Let f be a meromorphic correspondence on a compact Kahler manifold. We show that the topological entropy of f is bounded from above by the logarithm of its maximal dynamical degree. An analogous estimate for the entropy on subvarieties is given. We also discuss a notion of Julia and Fatou sets. | [
"math.DS",
"math.CV"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5992823 | hep-ex/0604046 | 2006-04-24 | Measurement of the $B^{0}_{s}$ Lifetime Using Semileptonic Decays | We report a measurement of the $B^0_{s}$ lifetime in the semileptonic decay channel $B^0_{s}\to D^-_s \mu^{+}\nu X$ (and its charge conjugate), using approximately 0.4 fb$^{-1}$ of data collected with the D0 detector during 2002 -- 2004. We have reconstructed 5176 $D^-_s \mu^{+}$ signal events, where the $D_s^-$ is ide... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "v abazov_1",
"name": "Victor [\"Mukhamedovich\"] Abazov",
"publication_history": null,
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},
{
"author_id": "b abbott_2",
"name": "B. Abbott",
"publication_history": null,
"h_index": null,
"num_pa... | null |
119439918 | astro-ph/0604505 | 2006-04-24 | Cosmology and the Bispectrum | The present spatial distribution of galaxies in the Universe is non-Gaussian, with 40% skewness in 50 Mpc/h spheres, and remarkably little is known about the information encoded in it about cosmological parameters beyond the power spectrum. In this work we present an attempt to bridge this gap by studying the bispectru... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118174582 | quant-ph/0604183 | 2006-04-25 | The Structure of Bipartite Quantum States - Insights from Group Theory and Cryptography | This thesis presents a study of the structure of bipartite quantum states. In the first part, the representation theory of the unitary and symmetric groups is used to analyse the spectra of quantum states. In particular, it is shown how to derive a one-to-one relation between the spectra of a bipartite quantum state an... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15292984 | physics/0604203 | 2006-04-25 | Random Walks on Directed Networks: the Case of PageRank | PageRank, the prestige measure for Web pages used by Google, is the stationary probability of a peculiar random walk on directed graphs, which interpolates between a pure random walk and a process where all nodes have the same probability of being visited. We give some exact results on the distribution of PageRank in t... | [
"physics.soc-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16876825 | gr-qc/0604107 | 2006-04-25 | A Lorentz-Poincar\'e type interpretation of the Weak Equivalence Principle | The validity of the Weak Equivalence Principle relative to a local inertial frame is detailed in a scalar-vector gravitation model with Lorentz-Poincar\'e type interpretation. Given the previously established first Post-Newtonian concordance of dynamics with General Relativity, the principle is to this order compatible... | [
"gr-qc"
] | null | [
"target.author.publication_history"
] | [
{
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{
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{
"corpus_id": "15239526",
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},
{
"corpus_id": "5958213",
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}
] | [
{
"author_id": "j broekaert_1",
"name": "Jan Broekaert",
"publication_history": null,
"h_index": null,
"num_papers": null,
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}
] | null |
16885000 | cond-mat/0604568 | 2006-04-25 | Dynamical density functional theory for dense atomic liquids | Starting from Newton's equations of motion, we derive a dynamical density functional theory (DDFT) applicable to atomic liquids. The theory has the feature that it requires as input the Helmholtz free energy functional from equilibrium density functional theory. This means that, given a reliable equilibrium free energy... | [
"cond-mat.soft",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18957504 | math-ph/0604064 | 2006-04-26 | A class of nonholonomic kinematic constraints in elasticity | We propose a first example of a simple classical field theory with nonholonomic constraints. Our model is a straightforward modification of a Cosserat rod. Based on a mechanical analogy, we argue that the constraint forces should be modeled in a special way, and we show how such a procedure can be naturally implemented... | [
"math-ph",
"math.MP"
] | null | [
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{
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{
"corpus_id": "14149063",
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] | [
{
"author_id": "j vankerschaver_1",
"name": "Joris Vankerschaver",
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}
] | null |
7799458 | cs/0604107 | 2006-04-26 | Cognitive Radio: An Information-Theoretic Perspective | Cognitive radios have been proposed as a means to implement efficient reuse of the licensed spectrum. The key feature of a cognitive radio is its ability to recognize the primary (licensed) user and adapt its communication strategy to minimize the interference that it generates. We consider a communication scenario in ... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "a jovičić_0",
"name": "Aleksandar Jovičić",
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},
{
"author_id": "p viswanath_1",
"name": "Pramod Viswanath",
"publication_history": null,
"h_index": null,
"num_papers... | null |
12791553 | quant-ph/0604193 | 2006-04-26 | Simulated Quantum Computation of Molecular Energies | The calculation time for the energy of atoms and molecules scales exponentially with system size on a classical computer but polynomially using quantum algorithms. We demonstrate that such algorithms can be applied to problems of chemical interest using modest numbers of quantum bits. Calculations of the water and lith... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119356481 | physics/0604224 | 2006-04-27 | When hot water freezes before cold | I suggest that the origin of the Mpemba effect (the freezing of hot water before cold) is freezing-point depression by solutes, either gaseous or solid, whose solubility decreases with increasing temperature so that they are removed when water is heated. They are concentrated ahead of the freezing front by zone refinin... | [
"physics.chem-ph",
"cond-mat.stat-mech",
"physics.gen-ph",
"physics.pop-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119501841 | hep-ph/0604251 | 2006-04-27 | Big Bang Nucleosynthesis Constraints on Hadronically and Electromagnetically Decaying Relic Neutral Particles | Big Bang nucleosynthesis in the presence of decaying relic neutral particles is examined in detail. All non-thermal processes important for the determination of light-element abundance yields of 2H, 3H, 3He, 4He, 6Li, and 7Li are coupled to the thermonuclear fusion reactions to obtain comparatively accurate results. Pr... | [
"hep-ph",
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3264468 | cs/0604110 | 2006-04-27 | Modeling and Mathematical Analysis of Swarms of Microscopic Robots | The biologically-inspired swarm paradigm is being used to design self-organizing systems of locally interacting artificial agents. A major difficulty in designing swarms with desired characteristics is understanding the causal relation between individual agent and collective behaviors. Mathematical analysis of swarm dy... | [
"cs.MA",
"cs.RO"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a galstyan_1",
"name": "A. [\"G.\"] Galstyan",
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{
"author_id": "t hogg_1",
"name": "Tad Hogg",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
11735579 | math/0604604 | 2006-04-27 | Bivariate Lagrange interpolation at the Padua points: the ideal theory approach | Padua points is a family of points on the square $[-1,1]^2$ given by explicit formulas that admits unique Lagrange interpolation by bivariate polynomials. The interpolation polynomials and cubature formulas based on the Padua points are studied from an ideal theoretic point of view, which leads to the discovery of a co... | [
"math.NA",
"math.CA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8900982 | astro-ph/0604561 | 2006-04-27 | The large-scale structure of the Universe | Research over the past 25 years has led to the view that the rich tapestry of present-day cosmic structure arose during the first instants of creation, where weak ripples were imposed on the otherwise uniform and rapidly expanding primordial soup. Over 14 billion years of evolution, these ripples have been amplified to... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6454323 | math/0604586 | 2006-04-27 | Non-commutative Henselian Rings | Non-commutative Henselian rings are defined and it is shown that a local ring which is complete and separated in the topology defined by its maximal ideal is Henselian provided that it is almost commutative. | [
"math.RA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3125282 | cs/0604111 | 2006-04-27 | Analysis of Dynamic Task Allocation in Multi-Robot Systems | Dynamic task allocation is an essential requirement for multi-robot systems operating in unknown dynamic environments. It allows robots to change their behavior in response to environmental changes or actions of other robots in order to improve overall system performance. Emergent coordination algorithms for task alloc... | [
"cs.RO",
"cs.MA"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "k lerman_1",
"name": "Kristina Lerman",
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},
{
"author_id": "c jones_22",
"name": "Chris [\"V.\"] Jones",
"publication_history": null,
"h_index": null,
"num_papers": ... | null |
18745136 | math/0604600 | 2006-04-27 | An Implicit Euler Scheme with Non-uniform Time Discretization for Heat Equations with Multiplicative Noise | We present an algorithm for solving stochastic heat equations, whose key ingredient is a non-uniform time discretization of the driving Brownian motion $W$. For this algorithm we derive an error bound in terms of its number of evaluations of one-dimensional components of $W$. The rate of convergence depends on the spat... | [
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
46706543 | cond-mat/0604641 | 2006-04-27 | Current-driven destabilization of both collinear configurations in asymmetric spin-valves | Spin transfer torque in spin valves usually destabilizes one of the collinear configurations (either parallel or antiparallel) and stabilizes the second one. Apart from this, balance of the spin-transfer and damping torques can lead to steady precessional modes. In this letter we show that in some asymmetric nanopillar... | [
"cond-mat.mes-hall"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7294718 | astro-ph/0604605 | 2006-04-28 | A periodically active pulsar giving insight into magnetospheric physics | PSR B1931+24 (J1933+2421) behaves as an ordinary isolated radio pulsar during active phases that are 5-10 days long. However, the radio emission switches off in less than 10 seconds and remains undetectable for the next 25-35 days, then it switches on again. This pattern repeats quasi-periodically. The origin of this b... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119640849 | hep-th/0604208 | 2006-04-28 | Exploring the Vacuum Geometry of N=1 Gauge Theories | Using techniques of algorithmic algebraic geometry, we present a new and efficient method for explicitly computing the vacuum space of N=1 gauge theories. We emphasize the importance of finding special geometric properties of these spaces in connecting phenomenology to guiding principles descending from high-energy phy... | [
"hep-th",
"hep-ph",
"math.AG"
] | null | [
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{
"corpus_id": "16060889",
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] | [
{
"author_id": "j gray_3",
"name": "James [\"Richard\",\"Andrew\"] Gray",
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{
"author_id": "y he_21",
"name": "Yang-Hui He",
"publication_history": null,
"h_index": null,
"num_pap... | null |
6967869 | astro-ph/0604606 | 2006-04-28 | Global properties of the HI high velocity sky, a statistical investigation based on the LAB survey | We study the properties of all major HVC complexes from a sample compiled 1991 by Wakker & van Woerden (WvW). We use the Leiden/Argentine/Bonn all sky 21-cm line survey and decompose the profiles into Gaussian components. We find a well defined multi-component structure for most of the HVC complexes. The cold HVC phase... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119042766 | hep-ph/0604261 | 2006-04-28 | Echoes of a Hidden Valley at Hadron Colliders | We consider examples of ``hidden-valley'' models, in which a new confining gauge group is added to the standard model. Such models often arise in string constructions, and elsewhere. The resulting (electrically-neutral) bound states can have low masses and long lifetimes, and could be observed at the LHC and Tevatron. ... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15472459 | math/0605002 | 2006-04-28 | Tug-of-war and the infinity Laplacian | We prove that every bounded Lipschitz function F on a subset Y of a length space X admits a tautest extension to X, i.e., a unique Lipschitz extension u for which Lip_U u = Lip_{boundary of U} u for all open subsets U of X that do not intersect Y. This was previously known only for bounded domains R^n, in which case u ... | [
"math.AP",
"math.MG",
"math.OC",
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17030573 | math/0604634 | 2006-04-28 | Estimation in spin glasses: A first step | The Sherrington--Kirkpatrick model of spin glasses, the Hopfield model of neural networks and the Ising spin glass are all models of binary data belonging to the one-parameter exponential family with quadratic sufficient statistic. Under bare minimal conditions, we establish the $\sqrt{N}$-consistency of the maximum ps... | [
"math.PR",
"math-ph",
"math.MP",
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
119169773 | math/0605014 | 2006-04-29 | A Central Limit Theorem for Convex Sets | Suppose X is a random vector, that is distributed uniformly in some n-dimensional convex set. It was conjectured that when the dimension n is very large, there exists a non-zero vector u, such that the distribution of the real random variable <X,u> is close to the gaussian distribution. A well-understood situation, is ... | [
"math.MG",
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15616472 | cond-mat/0605004 | 2006-04-29 | The Finite Size Error in Many-body Simulations with long-Ranged Interactions | We discuss the origin of the finite size error of the energy in many-body simulation of systems of charged particles and we propose a correction based on the random phase approximation at long wave lengths. The correction comes from contributions mainly determined by the organized collective oscillations of the interac... | [
"cond-mat.other",
"cond-mat.mtrl-sci"
] | null | [
"target.key_reference"
] | null | null | null |
10019758 | hep-ph/0605014 | 2006-04-30 | Holographic Grand Unification | We present a framework for grand unification in which the grand unified symmetry is broken spontaneously by strong gauge dynamics, and yet the physics at the unification scale is described by (weakly coupled) effective field theory. These theories are formulated, through the gauge/gravity correspondence, in truncated 5... | [
"hep-ph",
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17655602 | math/0605017 | 2006-04-30 | Sobolev--type metrics in the space of curves | We define a manifold $M$ where objects $c\in M$ are curves, which we parameterize as $c:S^1\to R^n$ ($n\ge 2$, $S^1$ is the circle). Given a curve $c$, we define the tangent space $T_cM$ of $M$ at $c$ including in it all deformations $h:S^1\to R^n$ of $c$. In this paper we study geometries on the manifold of curves, pr... | [
"math.DG"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a mennucci_0",
"name": "Andrea [\"C.\",\"G.\"] Mennucci",
"publication_history": null,
"h_index": null,
"num_papers": null,
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},
{
"author_id": "a yezzi_1",
"name": "Anthony [\"Joseph\"] Yezzi",
"publication_history": null,
"h_index": n... | null |
19040230 | math/0605020 | 2006-04-30 | The Heckman-Opdam Markov processes | We introduce and study the natural counterpart of the Dunkl Markov processes in a negatively curved setting. We give a semimartingale decomposition of the radial part, and some properties of the jumps. We prove also a law of large numbers, a central limit theorem, and the convergence of the normalized process to the Du... | [
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2949698 | cs/0605001 | 2006-05-01 | On Multistage Successive Refinement for Wyner-Ziv Source Coding with Degraded Side Informations | We provide a complete characterization of the rate-distortion region for the multistage successive refinement of the Wyner-Ziv source coding problem with degraded side informations at the decoder. Necessary and sufficient conditions for a source to be successively refinable along a distortion vector are subsequently de... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "c tian_27",
"name": "Chao Tian",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "s diggavi_1",
"name": "Suhas [\"N.\"] Diggavi",
"publication_history": null,
"h_index": null,
"num_papers": null... | null |
119364578 | hep-ph/0605001 | 2006-05-01 | The Zero-Bin and Mode Factorization in Quantum Field Theory | We study a Lagrangian formalism that avoids double counting in effective field theories where distinct fields are used to describe different infrared momentum regions for the same particle. The formalism leads to extra subtractions in certain diagrams and to a new way of thinking about factorization of modes in quantum... | [
"hep-ph",
"hep-th",
"nucl-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
654442 | cs/0605007 | 2006-05-01 | Systematic Topology Analysis and Generation Using Degree Correlations | We present a new, systematic approach for analyzing network topologies. We first introduce the dK-series of probability distributions specifying all degree correlations within d-sized subgraphs of a given graph G. Increasing values of d capture progressively more properties of G at the cost of more complex representati... | [
"cs.NI",
"cond-mat.stat-mech",
"physics.soc-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1774643 | astro-ph/0605025 | 2006-05-01 | The Field of Streams: Sagittarius and its Siblings | We use Sloan Digital Sky Survey (SDSS) Data Release 5 (DR5) u,g,r,i,z photometry to study Milky Way halo substructure in the area around the North Galactic Cap. A simple color cut (g-r < 0.4) reveals the tidal stream of the Sagittarius dwarf spheroidal, as well as a number of other stellar structures in the field. Two ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15208993 | physics/0605008 | 2006-05-01 | Space-Time Clustering and Correlations of Major Earthquakes | Earthquake occurrence in nature is thought to result from correlated elastic stresses, leading to clustering in space and time. We show that occurrence of major earthquakes in California correlates with time intervals when fluctuations in small earthquakes are suppressed relative to the long term average. We estimate a... | [
"physics.data-an"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j holliday_1",
"name": "James [\"R.\"] Holliday",
"publication_history": null,
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},
{
"author_id": "j rundle_1",
"name": "John [\"B.\"] Rundle",
"publication_history": null,
"h_index": null,
"num... | null |
16328837 | astro-ph/0605045 | 2006-05-01 | Natural Downsizing in Hierarchical Galaxy Formation | Stellar-population analyses of today's galaxies show "downsizing", where the stars in more massive galaxies tend to have formed earlier and over a shorter time span. We show that this phenomenon is not necessarily "anti-hierarchical" but rather has its natural roots in the bottom-up clustering process of dark-matter ha... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
37712686 | quant-ph/0605013 | 2006-05-01 | On Decoherence in Quantum Clock Synchronization | We study two quantum versions of the Eddington clock-synchronization protocol in the presence of decoherence. The first protocol uses maximally entangled states to achieve the Heisenberg limit for clock synchronization. The second protocol achieves the limit without using entanglement. We show the equivalence of the tw... | [
"quant-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "s boixo_1",
"name": "Sergio Boixo",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "c caves_1",
"name": "Carlton [\"M.\"] Caves",
"publication_history": null,
"h_index": null,
"num_papers": nul... | null |
1675668 | astro-ph/0605019 | 2006-05-01 | The Wide Field Imager Lyman-Alpha Search (WFILAS) for Galaxies at Redshift ~5.7: II. Survey Design and Sample Analysis | Context: Wide-field narrowband surveys are an efficient way of searching large volumes of high-redshift space for distant galaxies. Aims: We describe the Wide Field Imager Lyman-Alpha Search (WFILAS) over 0.74 sq. degree for bright emission-line galaxies at z~5.7. Methods: WFILAS uses deep images taken with the Wide Fi... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3205087 | quant-ph/0605030 | 2006-05-02 | Strongly Universal Quantum Turing Machines and Invariance of Kolmogorov Complexity | We show that there exists a universal quantum Turing machine (UQTM) that can simulate every other QTM until the other QTM has halted and then halt itself with probability one. This extends work by Bernstein and Vazirani who have shown that there is a UQTM that can simulate every other QTM for an arbitrary, but preassig... | [
"quant-ph",
"cs.IT",
"math-ph",
"math.IT",
"math.MP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118511434 | astro-ph/0605075 | 2006-05-02 | On the Incidence of Strong MgII Absorbers Along GRB Sightlines | We report on a survey for strong (rest equivalent width W_r >= 1A), intervening MgII systems along the sightlines to long-duration gamma-ray bursts (GRBs). The GRB spectra which comprise the survey have a heterogeneous mix of resolution and wavelength coverage, but we implement a strict, uniform set of search criteria ... | [
"astro-ph"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "g prochter_1",
"name": "Gabriel [\"E.\"] Prochter",
"publication_history": null,
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},
{
"author_id": "j prochaska_1",
"name": "Jason [\"Xavier\"] Prochaska",
"publication_history": null,
"h_index": n... | null |
14867941 | math/0605078 | 2006-05-02 | The Minkowski Theorem for Max-plus Convex Sets | We establish the following max-plus analogue of Minkowski's theorem. Any point of a compact max-plus convex subset of $(R\cup\{-\infty\})^n$ can be written as the max-plus convex combination of at most $n+1$ of the extreme points of this subset. We establish related results for closed max-plus convex cones and closed u... | [
"math.MG",
"math.OC"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13991047 | cond-mat/0605057 | 2006-05-02 | I.C.E.: a Transportable Atomic Inertial Sensor for Test in Microgravity | We present our the construction of an atom interferometer for inertial sensing in microgravity, as part of the I.C.E. (\textit{Interf\'{e}rom\'{e}trie Coh\'{e}rente pour l'Espace}) collaboration. On-board laser systems have been developed based on fibre-optic components, which are insensitive to mechanical vibrations a... | [
"cond-mat.other"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "r nyman_1",
"name": "Robert [\"A.\"] Nyman",
"publication_history": null,
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},
{
"author_id": "g varoquaux_1",
"name": "Gaël Varoquaux",
"publication_history": null,
"h_index": null,
"num_papers"... | null |
11623853 | math/0605090 | 2006-05-03 | The Casas-Alvero conjecture for infinitely many degrees | Over a field of characteristic zero, it is clear that a polynomial of the form (X-a)^d has a non-trivial common factor with each of its d-1 first derivatives. The converse has been conjectured by Casas-Alvero. Up to now there have only been some computational verifications for small degrees d. In this paper the conject... | [
"math.AC",
"math.AG"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "h bothmer_1",
"name": "Hans-Christian Graf v. Bothmer",
"publication_history": null,
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},
{
"author_id": "o labs_0",
"name": "Oliver Labs",
"publication_history": null,
"h_index": null,
"num_pape... | null |
14112658 | hep-ex/0605010 | 2006-05-03 | Search for resonant second generation slepton production at the Tevatron | We present a search for supersymmetry in the R-parity violating resonant production and decay of smuons and muon-sneutrinos in the channels smuon->neutralino_1 muon, smuon->neutralino_2 muon, and muon-sneutrino->chargino muon. We analyzed 0.38 fb^-1 of integrated luminosity collected between April 2002 and August 2004 ... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "v abazov_1",
"name": "Victor [\"Mukhamedovich\"] Abazov",
"publication_history": null,
"h_index": null,
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},
{
"author_id": "b abbott_2",
"name": "B. Abbott",
"publication_history": null,
"h_index": null,
"num_pa... | null |
22932281 | cond-mat/0605082 | 2006-05-03 | Diversity-induced resonance | We present conclusive evidence showing that different sources of diversity, such as those represented by quenched disorder or noise, can induce a resonant collective behavior in an ensemble of coupled bistable or excitable systems. Our analytical and numerical results show that when such systems are subjected to an ext... | [
"cond-mat.stat-mech",
"cond-mat.dis-nn"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "c tessone_1",
"name": "Claudio [\"J.\"] Tessone",
"publication_history": null,
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},
{
"author_id": "c mirasso_1",
"name": "Claudio [\"R.\"] Mirasso",
"publication_history": null,
"h_index": null,
... | null |
16701101 | astro-ph/0605088 | 2006-05-03 | The Turbulent Interstellar Medium | An overview is presented of the main properties of the interstellar medium. Evidence is summarized that the interstellar medium is highly turbulent, driven on different length scales by various energetic processes. Large-scale turbulence determines the formation of structures like filaments and shells in the diffuse in... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119430771 | quant-ph/0605040 | 2006-05-03 | The Dynamics of Entanglement in the Adiabatic Search and Deutsch Algorithms | The goal of this paper is to study the effect of entanglement on the running time of a quantum computation. Adiabatic quantum computation is suited to this kind of study, since it allows us to explicitly calculate the time evolution of the entanglement throughout the calculation. On the other hand however, the adiabati... | [
"quant-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "k choy_2",
"name": "K. Choy",
"publication_history": null,
"h_index": null,
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"num_citations": null
},
{
"author_id": "g passante_1",
"name": "Gina Passante",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_... | null |
149910 | cs/0605011 | 2006-05-03 | A Characterization of the Degree Sequences of 2-Trees | A graph G is a 2-tree if G=K_3, or G has a vertex v of degree 2, whose neighbours are adjacent, and G\v{i}s a 2-tree. A characterization of the degree sequences of 2-trees is given. This characterization yields a linear-time algorithm for recognizing and realizing degree sequences of 2-trees. | [
"cs.DM",
"math.CO"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "p bose_3",
"name": "Prosenjit Bose",
"publication_history": null,
"h_index": null,
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},
{
"author_id": "v dujmović_1",
"name": "Vida Dujmović",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
3017712 | cond-mat/0605084 | 2006-05-03 | Lengthscale dependence of dynamic four-point susceptibilities in glass formers | Dynamical four-point susceptibilities measure the extent of spatial correlations in the dynamics of glass forming systems. We show how these susceptibilities depend on the length scales that necessarily form part of their definition. The behaviour of these susceptibilities is estimated by means of an analysis in terms ... | [
"cond-mat.stat-mech",
"cond-mat.soft"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "d chandler_1",
"name": "David [\"W.\"] Chandler",
"publication_history": null,
"h_index": null,
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},
{
"author_id": "j garrahan_1",
"name": "Juan [\"P.\"] Garrahan",
"publication_history": null,
"h_index": null,
... | null |
119075924 | nucl-th/0605013 | 2006-05-04 | The Neutrino Response of Low-Density Neutron Matter from the Virial Expansion | We generalize our virial approach to study spin-polarized neutron matter and the consistent neutrino response at low densities. In the long-wavelength limit, the virial expansion makes model-independent predictions for the density and spin response, based only on nucleon-nucleon scattering data. Our results for the neu... | [
"nucl-th",
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
20879454 | cond-mat/0605124 | 2006-05-04 | Nonvanishing Energy Scales at the Quantum Critical Point of CeCoIn5 | Heat and charge transport were used to probe the magnetic field-tuned quantum critical point in the heavy-fermion metal CeCoIn$_5$. A comparison of electrical and thermal resistivities reveals three characteristic energy scales. A Fermi-liquid regime is observed below $T_{FL}$, with both transport coefficients divergin... | [
"cond-mat.str-el"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
26106252 | cs/0605015 | 2006-05-04 | Collaborative Tagging and Semiotic Dynamics | Collaborative tagging has been quickly gaining ground because of its ability to recruit the activity of web users into effectively organizing and sharing vast amounts of information. Here we collect data from a popular system and investigate the statistical properties of tag co-occurrence. We introduce a stochastic mod... | [
"cs.CY",
"cs.DL",
"physics.data-an",
"physics.soc-ph"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "c cattuto_1",
"name": "Ciro Cattuto",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "v loreto_1",
"name": "Vittorio Loreto",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
15030451 | hep-ex/0605011 | 2006-05-04 | Measurement of the W boson mass and width in e+e- collisions at LEP | The mass of the W boson is determined from the direct reconstruction of its decays into purely hadronic and semi-leptonic events in e+e- collisions at LEP. The data sample corresponds to an integrated luminosity of 683 inverse picobarns collected with the ALEPH detector at centre-of-mass energies up to 209 GeV. To mini... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "s schael_1",
"name": "Stefan Schael",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "r barate_2",
"name": "Renaud Barate",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
1136997 | cs/0605016 | 2006-05-04 | Cooperative Relay Broadcast Channels | The capacity regions are investigated for two relay broadcast channels (RBCs), where relay links are incorporated into standard two-user broadcast channels to support user cooperation. In the first channel, the Partially Cooperative Relay Broadcast Channel, only one user in the system can act as a relay and transmit to... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "884827",
"num_citations": null
},
{
"corpus_id": "795445",
"num_citations": null
}
] | [
{
"author_id": "y liang_86",
"name": "Yingbin Liang",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "v veeravalli_1",
"name": "Venugopal [\"V.\"] Veeravalli",
"publication_history": null,
"h_index": null,
"nu... | null |
15786654 | math-ph/0605021 | 2006-05-05 | Asymptotics of Best-Packing on Rectifiable Sets | We investigate the asymptotic behavior, as $N$ grows, of the largest minimal pairwise distance of $N$ points restricted to an arbitrary compact rectifiable set embedded in Euclidean space, and we find the limit distribution of such optimal configurations. For this purpose, we compare best-packing configurations with mi... | [
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
17602731 | astro-ph/0605145 | 2006-05-05 | Rocking the Lighthouse: Circumpulsar Asteroids and Radio Intermittency | We propose that neutral, circumpulsar debris entering the light cylinder can account for many time-dependent pulsar phenomena that are otherwise difficult to explain. Neutral material avoids propeller ejection and injects sufficient charges -- after heating, evaporation, and ionization -- to alter current flows and pai... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16635905 | astro-ph/0605147 | 2006-05-05 | Spectral diversity of Type Ia Supernovae | We use published spectroscopic and photometric data for 8 Type Ia supernovae to construct a dispersion spectrum for this class of object, showing their diversity over the wavelength range 3700A to 7100A. We find that the B and V bands are the spectral regions with the least dispersion, while the U band below 4100A is m... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j james_3",
"name": "J. [\"Berian\"] James",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "t davis_4",
"name": "Tamara [\"M.\"] Davis",
"publication_history": null,
"h_index": null,
"num_pape... | null |
130 | cs/0605024 | 2006-05-06 | A Formal Measure of Machine Intelligence | A fundamental problem in artificial intelligence is that nobody really knows what intelligence is. The problem is especially acute when we need to consider artificial systems which are significantly different to humans. In this paper we approach this problem in the following way: We take a number of well known informal... | [
"cs.AI",
"cs.LG"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119457888 | cond-mat/0605192 | 2006-05-08 | Transmission electron microscopy investigation of segregation and critical floating-layer content of indium for island formation in InGaAs | We have investigated InGaAs layers grown by molecular-beam epitaxy on GaAs(001) by transmission electron microscopy (TEM) and photoluminescence spectroscopy. InGaAs layers with In-concentrations of 16, 25 and 28 % and respective thicknesses of 20, 22 and 23 monolayers were deposited at 535 C. The parameters were chosen... | [
"cond-mat.mtrl-sci",
"cond-mat.other"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "d litvinov_1",
"name": "Dimitri Litvinov",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "d gerthsen_0",
"name": "Dagmar Gerthsen",
"publication_history": null,
"h_index": null,
"num_papers": ... | null |
96455033 | astro-ph/0605202 | 2006-05-08 | Post-starburst--AGN Connection: Spatially Resolved Spectroscopy of Hdelta-Strong AGNs | Ever since the co-existence of an active galactic nucleus (AGN) and a starburst was observationally discovered, there has been a significant controversy over whether there is a physical connection between starbursts and AGNs. If yes, it is a subject of interest to reveal which one triggers another. Here we bring a uniq... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3262314 | cs/0605035 | 2006-05-08 | Query Chains: Learning to Rank from Implicit Feedback | This paper presents a novel approach for using clickthrough data to learn ranked retrieval functions for web search results. We observe that users searching the web often perform a sequence, or chain, of queries with a similar information need. Using query chains, we generate new types of preference judgments from sear... | [
"cs.LG",
"cs.IR"
] | null | [
"target.key_reference"
] | null | null | null |
119454068 | hep-ex/0605021 | 2006-05-08 | Analysis of the pi^+pi^-pi^+pi^- and pi^+pi^0pi^-pi^0 Final States in Quasi-Real Two-Photon Collisions at LEP | The reactions gamma gamma -> pi^+pi^-pi^+pi^- and gamma gamma -> pi^+pi^0pi^-pi^0 are studied with the L3 detector at LEP in a data sample collected at centre-of-mass energies from 161GeV to 209GeV with a total integrated luminosity of 698/pb. A spin-parity-helicity analysis of the rho^0 rho^0 and rho^+ rho^- systems f... | [
"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 |
5398066 | cs/0605034 | 2006-05-08 | Peer to Peer Networks for Defense Against Internet Worms | Internet worms, which spread in computer networks without human mediation, pose a severe threat to computer systems today. The rate of propagation of worms has been measured to be extremely high and they can infect a large fraction of their potential hosts in a short time. We study two different methods of patch dissem... | [
"cs.CR",
"cs.AR",
"cs.NI"
] | null | [
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] | [] | [
{
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},
{
"author_id": "r srikant_1",
"name": "Rayadurgam Srikant",
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"h_index": null,
"num_pa... | null |
58379 | cs/0605037 | 2006-05-08 | Minimally Invasive Randomization for Collecting Unbiased Preferences from Clickthrough Logs | Clickthrough data is a particularly inexpensive and plentiful resource to obtain implicit relevance feedback for improving and personalizing search engines. However, it is well known that the probability of a user clicking on a result is strongly biased toward documents presented higher in the result set irrespective o... | [
"cs.IR",
"cs.LG"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15587637 | math/0605199 | 2006-05-08 | Behavior of a second class particle in Hammersley's process | In the case of a rarefaction fan in a non-stationary Hammersley process, we explicitly calculate the asymptotic behavior of the process as we move out along a ray, and the asymptotic distribution of the angle within the rarefaction fan of a second class particle and a dual second class particle. Furthermore, we conside... | [
"math.PR",
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10159110 | astro-ph/0605234 | 2006-05-09 | On the formation of H-alpha line emission around classical T Tauri stars | We present radiative transfer models of the circumstellar environment of classical T Tauri stars, concentrating on the formation of the H-alpha emission. The wide variety of line profiles seen in observations are indicative of both inflow and outflow, and we therefore employ a circumstellar structure that includes both... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2009161 | quant-ph/0605094 | 2006-05-10 | Homological Error Correction: Classical and Quantum Codes | We prove several theorems characterizing the existence of homological error correction codes both classically and quantumly. Not every classical code is homological, but we find a family of classical homological codes saturating the Hamming bound. In the quantum case, we show that for non-orientable surfaces it is impo... | [
"quant-ph",
"cond-mat.other",
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
12085019 | physics/0605086 | 2006-05-10 | Estimates for the two-dimensional Navier-Stokes equations in terms of the Reynolds number | The tradition in Navier-Stokes analysis of finding estimates in terms of the Grashof number $\bG$, whose character depends on the ratio of the forcing to the viscosity $\nu$, means that it is difficult to make comparisons with other results expressed in terms of Reynolds number $\Rey$, whose character depends on the fl... | [
"physics.flu-dyn",
"nlin.CD"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "14711996",
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}
] | [
{
"author_id": "j gibbon_1",
"name": "John Gibbon",
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"num_papers": null,
"num_citations": null
},
{
"author_id": "g pavliotis_1",
"name": "Grigorios [\"A.\"] Pavliotis",
"publication_history": null,
"h_index": null,
"num_pa... | null |
138996 | physics/0605087 | 2006-05-10 | Finding community structure in networks using the eigenvectors of matrices | We consider the problem of detecting communities or modules in networks, groups of vertices with a higher-than-average density of edges connecting them. Previous work indicates that a robust approach to this problem is the maximization of the benefit function known as "modularity" over possible divisions of a network. ... | [
"physics.data-an",
"cond-mat.stat-mech",
"physics.soc-ph"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
119506802 | cond-mat/0605277 | 2006-05-10 | Possible ferro-spin nematic order in NiGa2S4 | We explore the possibility that the spin-1 triangular lattice magnet NiGa2 S4 may have a ferro-nematic ground state with no frozen magnetic moment but a uniform quadrupole moment. Such a state may be stabilized by biquadratic spin interactions. We describe the physical properties of this state and suggest experiments t... | [
"cond-mat.str-el"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
9352672 | cs/0605047 | 2006-05-10 | Generalized Entropy Power Inequalities and Monotonicity Properties of Information | New families of Fisher information and entropy power inequalities for sums of independent random variables are presented. These inequalities relate the information in the sum of $n$ independent random variables to the information contained in sums over subsets of the random variables, for an arbitrary collection of sub... | [
"cs.IT",
"math.IT",
"math.PR",
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15485667 | astro-ph/0605262 | 2006-05-10 | Galaxies in the Hubble Ultra Deep Field: I. Detection, Multiband Photometry, Photometric Redshifts, and Morphology | We present aperture-matched PSF-corrected BVi'z'JH photometry and Bayesian photometric redshifts (BPZ) for objects detected in the Hubble Ultra Deep Field (UDF), 8,042 of which are detected at the 10-sigma level (e.g., i'<29.01 or z'<28.43). Most of our objects are defined identically to those in the public STScI catal... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18321658 | cond-mat/0605275 | 2006-05-10 | Threshold feedback control for a collective flashing ratchet: threshold dependence | We study the threshold control protocol for a collective flashing ratchet. In particular, we analyze the dependence of the current on the values of the thresholds. We have found analytical expressions for the small threshold dependence both for the few and for the many particle case. For few particles the current is a ... | [
"cond-mat.stat-mech",
"q-bio.BM"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
12389840 | cs/0605052 | 2006-05-11 | Node-Based Optimal Power Control, Routing, and Congestion Control in Wireless Networks | We present a unified analytical framework within which power control, rate allocation, routing, and congestion control for wireless networks can be optimized in a coherent and integrated manner. We consider a multi-commodity flow model with an interference-limited physical-layer scheme in which power control and routin... | [
"cs.NI"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
693 | cs/0605051 | 2006-05-11 | A General Method for Finding Low Error Rates of LDPC Codes | This paper outlines a three-step procedure for determining the low bit error rate performance curve of a wide class of LDPC codes of moderate length. The traditional method to estimate code performance in the higher SNR region is to use a sum of the contributions of the most dominant error events to the probability of ... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
14750022 | astro-ph/0605287 | 2006-05-11 | Gamma-ray binaries: pulsars in disguise ? | LS 5039 and LSI +61 303 are unique amongst high-mass X-ray binaries (HMXB) for their spatially-resolved radio emission and their counterpart at >GeV gamma-ray energies, canonically attributed to non-thermal particles in an accretion-powered relativistic jet. The only other HMXB known to emit very high energy (VHE) gamm... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2551435 | cs/0605050 | 2006-05-11 | A Polynomial Time Nilpotence Test for Galois Groups and Related Results | We give a deterministic polynomial-time algorithm to check whether the Galois group $\Gal{f}$ of an input polynomial $f(X) \in \Q[X]$ is nilpotent: the running time is polynomial in $\size{f}$. Also, we generalize the Landau-Miller solvability test to an algorithm that tests if $\Gal{f}$ is in $\Gamma_d$: this algorith... | [
"cs.CC",
"cs.DS"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "v arvind_2",
"name": "Vikraman Arvind",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "p kurur_1",
"name": "Piyush [\"P.\"] Kurur",
"publication_history": null,
"h_index": null,
"num_papers": ... | null |
9056416 | math/0605292 | 2006-05-11 | Linear and convex aggregation of density estimators | We study the problem of linear and convex aggregation of $M$ estimators of a density with respect to the mean squared risk. We provide procedures for linear and convex aggregation and we prove oracle inequalities for their risks. We also obtain lower bounds showing that these procedures are rate optimal in a minimax se... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
205240883 | cond-mat/0605316 | 2006-05-12 | Symmetry and Topological Order | We prove sufficient conditions for Topological Quantum Order at both zero and finite temperatures. The crux of the proof hinges on the existence of low-dimensional Gauge-Like Symmetries (that notably extend and differ from standard local gauge symmetries) and their associated defects, thus providing a unifying framewor... | [
"cond-mat.str-el",
"cond-mat.stat-mech",
"hep-th",
"math-ph",
"math.MP",
"quant-ph"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "119610163",
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},
{
"corpus_id": "15290214",
"num_citations": null
},
{
"corpus_id": "18480266",
"num_citations": null
}
] | [
{
"author_id": "z nussinov_1",
"name": "Zohar Nussinov",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "g ortiz_1",
"name": "Gerardo [\"Guzman\"] Ortiz",
"publication_history": null,
"h_index": null,
"num_pap... | null |
17938853 | astro-ph/0605302 | 2006-05-12 | The Clustering of Luminous Red Galaxies in the Sloan Digital Sky Survey Imaging Data | We present the 3D real space clustering power spectrum of a sample of \~600,000 luminous red galaxies (LRGs) measured by the Sloan Digital Sky Survey (SDSS), using photometric redshifts. This sample of galaxies ranges from redshift z=0.2 to 0.6 over 3,528 deg^2 of the sky, probing a volume of 1.5 (Gpc/h)^3, making it t... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "6906627",
"num_citations": null
},
{
"corpus_id": "34085294",
"num_citations": null
},
{
"corpus_id": "17550105",
"num_citations": null
},
{
"corpus_id": "119485170",
"num_citations": null
},
{
"corpus_id": "6598063",
"num_citations": null
},... | [
{
"author_id": "n padmanabhan_1",
"name": "Nikhil Padmanabhan",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "d schlegel_2",
"name": "David [\"J.\"] Schlegel",
"publication_history": null,
"h_index": null,
"... | null |
13947417 | astro-ph/0605327 | 2006-05-12 | Cosmogenic Neutrinos from the propagation of Ultra High Energy Nuclei | We calculate the flux of neutrinos generated by the propagation of ultra-high energy nuclei over cosmological distances. The propagation takes into account the interactions with cosmic background radiations including the CMB and the most recent estimates of higher energy (infra-red, optical, and ultra violet) backgroun... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15817300 | math/0605323 | 2006-05-12 | Consistent estimation of the basic neighborhood of Markov random fields | For Markov random fields on $\mathbb{Z}^d$ with finite state space, we address the statistical estimation of the basic neighborhood, the smallest region that determines the conditional distribution at a site on the condition that the values at all other sites are given. A modification of the Bayesian Information Criter... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "i csiszár_0",
"name": "Imre Csiszár",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "z talata_1",
"name": "Zsolt Talata",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
6778314 | math/0605329 | 2006-05-12 | Graded annihilators of modules over the Frobenius skew polynomial ring, and tight closure | This paper is concerned with the tight closure of an ideal in a commutative Noetherian local ring $R$ of prime characteristic $p$. Several authors, including R. Fedder, K.-i. Watanabe, K. E. Smith, N. Hara and F. Enescu, have used the natural Frobenius action on the top local cohomology module of such an $R$ to good ef... | [
"math.AC"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118933921 | astro-ph/0605315 | 2006-05-12 | Near-infrared integral-field spectroscopy of HD209458b | We present first results of an exploratory study to use integral field spectroscopy to observe extrasolar planets. We focus on transiting "Hot Jupiters" and emphasize the importance of observing strategy and exact timing. We demonstrate how integral field spectroscopy compares with other spectroscopic techniques curren... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
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