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 ⌀ |
|---|---|---|---|---|---|---|---|---|---|---|
18629415 | math/0702177 | 2007-02-07 | Alternating subgroups of Coxeter groups | We study combinatorial properties of the alternating subgroup of a Coxeter group, using a presentation of it due to Bourbaki. | [
"math.CO",
"math.GR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119384042 | quant-ph/0702073 | 2007-02-07 | Krawtchouk polynomials and Krawtchouk matrices | Krawtchouk matrices have as entries values of the Krawtchouk polynomials for nonnegative integer arguments. We show how they arise as condensed Sylvester-Hadamard matrices via a binary shuffling function. The underlying symmetric tensor algebra is presented. Our approach is used to solve Kac' formulation of the Ehrenfe... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15946715 | hep-th/0702049 | 2007-02-07 | Exactly marginal deformations of quiver gauge theories as seen from brane tilings | We study the relation between exactly marginal deformations in a large class of N=1 superconformal quiver gauge theories described by brane tilings and the degrees of freedom in the corresponding 5-brane systems. We show, with the help of NSVZ exact beta functions, that there are generically d-1 complex exactly margina... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14368774 | quant-ph/0702068 | 2007-02-07 | How continuous quantum measurements in finite dimension are actually discrete | We show that in finite dimension a quantum measurement with continuous set of outcomes is always equivalent to a continuous random choice of measurements with only finite outcomes. | [
"quant-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "g chiribella_1",
"name": "Giulio Chiribella",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "g d’ariano_1",
"name": "Giacomo [\"Mauro\"] D’Ariano",
"publication_history": null,
"h_index": null,
... | null |
6547114 | math/0702167 | 2007-02-07 | Weak uniqueness and partial regularity for the composite membrane problem | We establish a generic weak uniqueness result and partial regularity of the free boundary and of minimizers for the composite membrane problem. | [
"math.AP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
52855148 | cs/0702045 | 2007-02-07 | Gaussian Interference Channel Capacity to Within One Bit | The capacity of the two-user Gaussian interference channel has been open for thirty years. The understanding on this problem has been limited. The best known achievable region is due to Han-Kobayashi but its characterization is very complicated. It is also not known how tight the existing outer bounds are. In this work... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7572586 | hep-ph/0702080 | 2007-02-07 | The ArDM project: a Liquid Argon TPC for Dark Matter Detection | WIMPs (Weakly Interacting Massive Particles) are considered the main candidates for Cold Dark Matter. The ArDM experiment aims at measuring signals directly induced by WIMPs in liquid argon. A 1-ton prototype is currently developed with the goal of demonstrating the feasibility and performance of a detector with such a... | [
"hep-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m laffranchi_1",
"name": "Marco Laffranchi",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "a rubbia_1",
"name": "André Rubbia",
"publication_history": null,
"h_index": null,
"num_papers": nul... | null |
1903919 | math/0702226 | 2007-02-08 | A randomized Kaczmarz algorithm with exponential convergence | The Kaczmarz method for solving linear systems of equations is an iterative algorithm that has found many applications ranging from computer tomography to digital signal processing. Despite the popularity of this method, useful theoretical estimates for its rate of convergence are still scarce. We introduce a randomize... | [
"math.NA",
"math.PR"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference",
"target.key_reference"
] | [] | [
{
"author_id": "t strohmer_1",
"name": "Thomas Strohmer",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "r vershynin_1",
"name": "Roman Vershynin",
"publication_history": null,
"h_index": null,
"num_papers": ... | null |
16837824 | math-ph/0702022 | 2007-02-08 | Homogenization for Inertial Particles in a Random Flow | We study the problem of homogenization for inertial particles moving in a time dependent random velocity field and subject to molecular diffusion. We show that, under appropriate assumptions on the velocity field, the large--scale, long--time behavior of the inertial particles is governed by an effective diffusion equa... | [
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "7615778",
"num_citations": null
}
] | [
{
"author_id": "g pavliotis_1",
"name": "Grigorios [\"A.\"] Pavliotis",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "a stuart_2",
"name": "Andrew [\"M.\"] Stuart",
"publication_history": null,
"h_index": null,
... | null |
7771064 | math/0702216 | 2007-02-08 | A Decomposition Theorem for frames and the Feichtinger Conjecture | In this paper we study the Feichtinger Conjecture in frame theory, which was recently shown to be equivalent to the 1959 Kadison-Singer Problem in $C^{*}$-Algebras. We will show that every bounded Bessel sequence can be decomposed into two subsets each of which is an arbitrarily small perturbation of a sequence with a ... | [
"math.FA"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "p casazza_1",
"name": "Peter [\"G.\"] Casazza",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "g kutyniok_1",
"name": "Gitta Kutyniok",
"publication_history": null,
"h_index": null,
"num_paper... | null |
10737747 | q-bio/0702015 | 2007-02-08 | Biology's next revolution | The interpretation of recent environmental genomics data exposes the far-reaching influence of horizontal gene transfer, and is changing our basic concepts of organism, species and evolution itself. | [
"q-bio.PE",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
53461362 | cond-mat/0702201 | 2007-02-08 | MRI Investigations of Particle Motion within a Three-Dimensional Vibro-Fluidized Granular Bed | The unique ability of magnetic resonance imaging (MRI) to provide spatial and temporal information from optically opaque systems, in three dimensions, make it an ideal tool to study the internal motion of rapid granular flows. This paper will focus on the use of ultra-fast velocity compensated MRI measurements to study... | [
"cond-mat.soft"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "23306871",
"num_citations": null
}
] | [
{
"author_id": "m mantle_1",
"name": "Mick [\"D.\"] Mantle",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "a sederman_1",
"name": "Andrew [\"J.\"] Sederman",
"publication_history": null,
"h_index": null,
"nu... | null |
3204426 | cs/0702050 | 2007-02-08 | Permutation Decoding and the Stopping Redundancy Hierarchy of Linear Block Codes | We investigate the stopping redundancy hierarchy of linear block codes and its connection to permutation decoding techniques. An element in the ordered list of stopping redundancy values represents the smallest number of possibly linearly dependent rows in any parity-check matrix of a code that avoids stopping sets of ... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "1289928",
"num_citations": null
}
] | [
{
"author_id": "t hehn_1",
"name": "Thorsten Hehn",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "o milenkovic_1",
"name": "Olgica Milenkovic",
"publication_history": null,
"h_index": null,
"num_papers": nul... | null |
15978402 | gr-qc/0702053 | 2007-02-08 | High Sensitivity Torsion Balance Tests for LISA Proof Mass Modeling | We have built a highly sensitive torsion balance to investigate small forces between closely spaced gold coated surfaces. Such forces will occur between the LISA proof mass and its housing. These forces are not well understood and experimental investigations are imperative. We describe our torsion balance and present t... | [
"gr-qc"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "s schlamminger_1",
"name": "Stephan Schlamminger",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "c hagedorn_1",
"name": "C [\"A\"] Hagedorn",
"publication_history": null,
"h_index": null,
"nu... | null |
52208830 | cond-mat/0702212 | 2007-02-08 | Energy diffusion in hard-point systems | We investigate the diffusive properties of energy fluctuations in a one-dimensional diatomic chain of hard-point particles interacting through a square--well potential. The evolution of initially localized infinitesimal and finite perturbations is numerically investigated for different density values. All cases belong ... | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "l delfini_1",
"name": "Luca Delfini",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "s denisov_2",
"name": "Sergey [\"V.\"] Denisov",
"publication_history": null,
"h_index": null,
"num_papers"... | null |
152179 | cs/0702054 | 2007-02-09 | Nash equilibria in Voronoi games on graphs | In this paper we study a game where every player is to choose a vertex (facility) in a given undirected graph. All vertices (customers) are then assigned to closest facilities and a player's payoff is the number of customers assigned to it. We show that deciding the existence of a Nash equilibrium for a given graph is ... | [
"cs.GT",
"cs.DS"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "c dürr_1",
"name": "Christoph Dürr",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "k nguyen_7",
"name": "Kim [\"Thang\"] Nguyen",
"publication_history": null,
"h_index": null,
"num_papers": n... | null |
15082828 | math/0702249 | 2007-02-09 | Continuous-time mean-variance efficiency: the 80% rule | This paper studies a continuous-time market where an agent, having specified an investment horizon and a targeted terminal mean return, seeks to minimize the variance of the return. The optimal portfolio of such a problem is called mean-variance efficient \`{a} la Markowitz. It is shown that, when the market coefficien... | [
"math.PR",
"q-fin.ST"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
55029429 | astro-ph/0702253 | 2007-02-09 | Whiting 1: the youngest globular cluster associated with the Sgr dSph | Recently, Carraro (2005) drew attention to the remarkable star cluster Whiting 1 by showing that it lies about 40 kpc from the Sun and is therefore unquestionably a member of the Galactic halo (b=-60.6 deg.). Its CMD indicated that Whiting 1 is very young (5 Gyrs) for a globular cluster. It is very likely that Whiting ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8153847 | math/0702263 | 2007-02-09 | Second-Order Elliptic Integro-Differential Equations: Viscosity Solutions' Theory Revisited | The aim of this work is to revisit viscosity solutions' theory for second-order elliptic integro-differential equations and to provide a general framework which takes into account solutions with arbitrary growth at infinity. Our main contribution is a new Jensen-Ishii's Lemma for integro-differential equations, which i... | [
"math.AP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16505523 | physics/0702077 | 2007-02-09 | How does degree heterogeneity affect an order-disorder transition? | We focus on the role played by the node degree distribution on the way collective phenomena emerge on complex networks. To address this question, we focus analytically on a typical model for cooperative behaviour, the Majority Rule, applied to dichotomous networks. The latter are composed of two kinds of nodes, each ki... | [
"physics.soc-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119661729 | math/0702246 | 2007-02-09 | A remark on the Chebotarev theorem about roots of unity | Let $\Omega$ be a matrix with entries $a_{i,j}=\omega^{ij},$ $1\leq i,j \leq n,$ where $\omega=e^{2\pi \sqrt{-1}/n},$ $n\in \mathbb N.$ The Chebotarev theorem states that if $n$ is a prime then any minor of $\Omega$ is non-zero. In this note we provide an analogue of this statement for composite $n.$ | [
"math.NT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119540409 | hep-th/0702079 | 2007-02-10 | Low frequency quasi-normal modes of AdS black holes | We calculate analytically low frequency quasi-normal modes of gravitational perturbations of AdS Schwarzschild black holes in $d$ dimensions. We arrive at analytic expressions which are in agreement with their counterparts from linearized hydrodynamics in $S^{d-2}\times \mathbb{R}$, in accordance with the AdS/CFT corre... | [
"hep-th"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "119424746",
"num_citations": null
},
{
"corpus_id": "8839961",
"num_citations": null
},
{
"corpus_id": "5603602",
"num_citations": null
},
{
"corpus_id": "14190458",
"num_citations": null
}
] | [
{
"author_id": "g siopsis_1",
"name": "George Siopsis",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
11205261 | cs/0702068 | 2007-02-11 | Distributed Decision Through Self-Synchronizing Sensor Networks in the Presence of Propagation Delays and Nonreciprocal Channels | In this paper we propose and analyze a distributed algorithm for achieving globally optimal decisions, either estimation or detection, through a self-synchronization mechanism among linearly coupled integrators initialized with local measurements. We model the interaction among the nodes as a directed graph with weight... | [
"cs.IT",
"cs.MA",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "g scutari_1",
"name": "Gesualdo Scutari",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "s barbarossa_1",
"name": "Sergio Barbarossa",
"publication_history": null,
"h_index": null,
"num_papers... | null |
1446 | math/0702301 | 2007-02-11 | Information-theoretic limits on sparsity recovery in the high-dimensional and noisy setting | The problem of recovering the sparsity pattern of a fixed but unknown vector $\beta^* \in \real^p based on a set of $n$ noisy observations arises in a variety of settings, including subset selection in regression, graphical model selection, signal denoising, compressive sensing, and constructive approximation. Of inter... | [
"math.ST",
"cs.IT",
"math.IT",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119390885 | astro-ph/0702325 | 2007-02-12 | The Ucsd/Keck Damped Lya Abundance Database: A Decade of High Resolution Spectroscopy | We publish the Keck/HIRES and Keck/ESI spectra that we have obtained during the first 10 years of Keck observatory operations. Our full sample includes 42 HIRES spectra and 39 ESI spectra along 65 unique sightlines providing abundance measurements on ~85 damped Lya systems. The normalized data can be downloaded from th... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
50066358 | math/0702342 | 2007-02-12 | Multiplicative free Convolution and Information-Plus-Noise Type Matrices | Free probability and random matrix theory has shown to be a fruitful combination in many fields of research, such as digital communications, nuclear physics and mathematical finance. The link between free probability and eigenvalue distributions of random matrices will be strengthened further in this paper. It will be ... | [
"math.PR"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "o ryan_1",
"name": "Oyvind Ryan",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "m debbah_1",
"name": "Mérouane Debbah",
"publication_history": null,
"h_index": null,
"num_papers": null,
"... | null |
3206216 | math/0702325 | 2007-02-12 | Neighbor selection and hitting probability in small-world graphs | Small-world graphs, which combine randomized and structured elements, are seen as prevalent in nature. Jon Kleinberg showed that in some graphs of this type it is possible to route, or navigate, between vertices in few steps even with very little knowledge of the graph itself. In an attempt to understand how such graph... | [
"math.PR",
"cs.DS"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17026605 | math/0702312 | 2007-02-12 | Existence and smoothness of the density for spatially homogeneous SPDEs | In this paper, we extend Walsh's stochastic integral with respect to a Gaussian noise, white in time and with some homogeneous spatial correlation, in order to be able to integrate some random measure-valued processes. This extension turns out to be equivalent to Dalang's one. Then we study existence and regularity of ... | [
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1129656 | quant-ph/0702116 | 2007-02-12 | Fundamentals of universality in one-way quantum computation | We build a framework allowing for a systematic investigation of the issue: "Which quantum states are universal resources for one-way quantum computation?" We start by re-examining what is exactly meant by "universality" in quantum computation, and what the implications are for universal one-way quantum computation. Giv... | [
"quant-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m nest_1",
"name": "Maarten [\"Van\",\"den\"] Nest",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "w dür_1",
"name": "Wolfgang Dür",
"publication_history": null,
"h_index": null,
"num_papers"... | null |
119167594 | math/0702357 | 2007-02-13 | Bergman kernels for weighted polynomials and weighted equilibrium measures of C^n | Various convergence results for the Bergman kernel of the Hilbert space of all polynomials in \C^{n} of total degree at most k, equipped with a weighted norm, are obtained. The weight function is assumed to be C^{1,1}, i.e. it is differentiable and all of its first partial derivatives are locally Lipshitz continuous. T... | [
"math.CV",
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14776762 | astro-ph/0702329 | 2007-02-13 | A narrow line Seyfert 1--blazar composite nucleus in 2MASX J0324+3410 | We report the identification of 2MASX J032441.19+341045.9 (hereafter 2MASX J0324+3410) with an appealing object which shows the dual properties of both a narrow line Seyfert 1 galaxy (NLS1) and a blazar. Its optical spectrum, which has a H\beta line width about 1600 km s^-1 (FWHM), an [OIII] to H\beta line ratio ~0.12,... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6651601 | cs/0702082 | 2007-02-13 | Invariant template matching in systems with spatiotemporal coding: a vote for instability | We consider the design of a pattern recognition that matches templates to images, both of which are spatially sampled and encoded as temporal sequences. The image is subject to a combination of various perturbations. These include ones that can be modeled as parameterized uncertainties such as image blur, luminance, tr... | [
"cs.CV",
"cs.AI"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "i tyukin_1",
"name": "Ivan [\"Y.\"] Tyukin",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "t tyukina_1",
"name": "Tatiana Tyukina",
"publication_history": null,
"h_index": null,
"num_papers":... | null |
9172801 | astro-ph/0702359 | 2007-02-13 | Weak Gravitational Lensing with COSMOS: Galaxy Selection and Shape Measurements | With a primary goal of conducting precision weak lensing measurements from space, the COSMOS survey has imaged the largest contiguous area observed by the Hubble Space Telescope (HST) to date using the Advanced Camera for Surveys (ACS). This is the first paper in a series where we describe our strategy for addressing t... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
12233508 | physics/0702106 | 2007-02-13 | Emergence of time-horizon invariant correlation structure in financial returns by subtraction of the market mode | We investigate the emergence of a structure in the correlation matrix of assets' returns as the time-horizon over which returns are computed increases from the minutes to the daily scale. We analyze data from different stock markets (New York, Paris, London, Milano) and with different methods. Result crucially depends ... | [
"physics.soc-ph",
"q-fin.ST"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18848284 | astro-ph/0702346 | 2007-02-13 | CRATES: An All-Sky Survey of Flat-Spectrum Radio Sources | We have assembled an 8.4 GHz survey of bright, flat-spectrum (alpha > -0.5) radio sources with nearly uniform extragalactic (|b|>10 deg) coverage for sources brighter than S_{4.8 GHz} = 65 mJy. The catalog is assembled from existing observations (especially CLASS and the Wright et al. PMN-CA survey), augmented by repro... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15978773 | math/0702392 | 2007-02-13 | Regularity estimates for the solution and the free boundary to the obstacle problem for the fractional Laplacian | We use a characterization of the fractional Laplacian as a Dirichlet to Neumann operator for an appropriate differential equation to study its obstacle problem. We write an equivalent characterization as a thin obstacle problem. In this way we are able to apply local type arguments to obtain sharp regularity estimates ... | [
"math.AP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14786594 | astro-ph/0702378 | 2007-02-14 | Dust and Atomic Gas in Dwarf Irregular Galaxies of the M81 Group: The SINGS and THINGS view | [abridged] We present observations of the dust and atomic gas phase in seven dwarf irregular galaxies of the M81 group from the SINGS and THINGS surveys. The Spitzer observations provide a first glimpse of the nature of the non-atomic ISM in these metal-poor (Z~0.1 Z_sun), quiescent (SFR~0.001-0.1 M_sun/yr) dwarf galax... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15074350 | quant-ph/0702135 | 2007-02-14 | The Quantum Measurement Process: Lessons from an Exactly Solvable Model | The measurement of a spin-$\half$ is modeled by coupling it to an apparatus, that consists of an Ising magnetic dot coupled to a phonon bath. Features of quantum measurements are derived from the dynamical solution of the measurement, regarded as a process of quantum statistical mechanics. Schr\"odinger cat terms invol... | [
"quant-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a allahverdyan_1",
"name": "Armen [\"E.\"] Allahverdyan",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "r balian_1",
"name": "Roger Balian",
"publication_history": null,
"h_index": null,
"num... | null |
15145261 | math/0702412 | 2007-02-14 | Harris recurrence of Metropolis-within-Gibbs and trans-dimensional Markov chains | A $\phi$-irreducible and aperiodic Markov chain with stationary probability distribution will converge to its stationary distribution from almost all starting points. The property of Harris recurrence allows us to replace ``almost all'' by ``all,'' which is potentially important when running Markov chain Monte Carlo al... | [
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16638838 | math/0702411 | 2007-02-14 | Separation cut-offs for birth and death chains | This paper gives a necessary and sufficient condition for a sequence of birth and death chains to converge abruptly to stationarity, that is, to present a cut-off. The condition involves the notions of spectral gap and mixing time. Y. Peres has observed that for many families of Markov chains, there is a cut-off if and... | [
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
9782765 | hep-ph/0702143 | 2007-02-14 | Gauge Singlet Scalars as Cold Dark Matter | In light of recent interest in minimal extensions of the Standard Model and gauge singlet scalar cold dark matter, we provide an arXiv preprint of the paper, published as Phys.Rev. D50 (1994) 3637, which presented the first detailed analysis of gauge singlet scalar cold dark matter. | [
"hep-ph",
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15866543 | astro-ph/0702371 | 2007-02-14 | The First Survey of X-ray Flares from Gamma Ray Bursts Observed by Swift: Temporal Properties and Morphology | We present the first systematic investigation of the morphological and timing properties of flares in GRBs observed by Swift/XRT. We consider a large sample drawn from all GRBs detected by Swift, INTEGRAL and HETE-2 prior to 2006 Jan 31, which had an XRT follow-up and which showed significant flaring. Our sample of 33 ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
264871661 | math-ph/0702045 | 2007-02-14 | Invariants of algebraic curves and topological expansion | For any arbitrary algebraic curve, we define an infinite sequence of invariants. We study their properties, in particular their variation under a variation of the curve, and their modular properties. We also study their limits when the curve becomes singular. In addition we find that they can be used to define a formal... | [
"math-ph",
"hep-th",
"math.MP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
323757 | math/0702425 | 2007-02-14 | Linear programming bounds for codes via a covering argument | We recover the first linear programming bound of McEliece, Rodemich, Rumsey, and Welch for binary error-correcting codes and designs via a covering argument. It is possible to show, interpreting the following notions appropriately, that if a code has a large distance, then its dual has a small covering radius and, ther... | [
"math.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14166322 | astro-ph/0702388 | 2007-02-14 | The Stability of Double White Dwarf Binaries Undergoing Direct Impact Accretion | We present numerical simulations of dynamically unstable mass transfer in a double white dwarf binary with initial mass ratio, q = 0.4. The binary components are approximated as polytropes of index n = 3/2 and the initially synchronously rotating, semi-detached equilibrium binary is evolved hydrodynamically with the gr... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15380343 | astro-ph/0702366 | 2007-02-14 | Dispersion Measure Variations and their Effect on Precision Pulsar Timing | We present an analysis of the variations seen in the dispersion measures (DMs) of 20 millisecond pulsars observed as part of the Parkes Pulsar Timing Array project. We carry out a statistically rigorous structure function analysis for each pulsar and show that the variations seen for most pulsars are consistent with th... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119341465 | astro-ph/0702409 | 2007-02-15 | X-ray Spectral Variation of Eta Carinae through the 2003 X-ray Minimum | We report the results of an X-ray observing campaign on the massive, evolved star Eta Carinae, concentrating on the 2003 X-ray minimum as seen by the XMM-Newton observatory. These are the first spatially-resolved X-ray monitoring observations of the stellar X-ray spectrum during the minimum. The hard X-ray emission, be... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3549087 | astro-ph/0702414 | 2007-02-15 | Lyman alpha emission in high-redshift galaxies | A significant fraction of the high-redshift galaxies show strong Lyman emission lines. For redshifts z>5, most known galaxies belong to this class. However, so far not much is known about the physical structure and nature of these objects. Our aim is to analyse the Lyman alpha emission in a sample of high-redshift UV-c... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
34308305 | cond-mat/0702365 | 2007-02-15 | An Introduction to the Nonperturbative Renormalization Group | An elementary introduction to the non-perturbative renormalization group is presented mainly in the context of statistical mechanics. No prior knowledge of field theory is necessary. The aim is this article is not to give an extensive overview of the subject but rather to insist on conceptual aspects and to explain in ... | [
"cond-mat.stat-mech",
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18980837 | cond-mat/0702349 | 2007-02-15 | Weak binding between two aromatic rings: feeling the van der Waals attraction by quantum Monte Carlo methods | We report a systematic study of the weak chemical bond between two benzene molecules. We first show that it is possible to obtain a very good description of the C_2 dimer and the benzene molecule, by using pseudopotentials for the chemically inert 1s electrons, and a resonating valence bond wave function as a variation... | [
"cond-mat.other"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14083927 | quant-ph/0702152 | 2007-02-15 | Device-independent security of quantum cryptography against collective attacks | We present the optimal collective attack on a Quantum Key Distribution (QKD) protocol in the "device-independent" security scenario, where no assumptions are made about the way the QKD devices work or on what quantum system they operate. Our main result is a tight bound on the Holevo information between one of the auth... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8547327 | nlin/0702033 | 2007-02-15 | Universally-convergent Squared-operator Iteration Methods for Solitary Waves in General Nonlinear Wave Equations | Three new iteration methods, namely the squared-operator method, the modified squared-operator method, and the power-conserving squared-operator method, for solitary waves in general scalar and vector nonlinear wave equations are proposed. These methods are based on iterating new differential equations whose linearizat... | [
"nlin.PS",
"physics.optics"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
171920 | math/0702452 | 2007-02-15 | Recursions for Excedance number in some permutations groups | The excedance number for S_n is known to have an Eulerian distribution. Nevertheless, the classical proof uses descents rather than excedances. We present a direct recursive proof which seems to be folklore and extend it to the colored permutation groups G_r,n. The generalized recursion yields some interesting connecti... | [
"math.CO",
"math.GR"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "e bagno_1",
"name": "Eli Bagno",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "d garber_1",
"name": "David Garber",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_... | null |
14354675 | astro-ph/0702450 | 2007-02-16 | GRB060218: A Relativistic Supernova Shock Breakout | We show that the prompt and afterglow X-ray emission of GRB060218, as well as its early (t<=1 d) optical-UV emission, can be explained by a model in which a radiation- mediated shock propagates through a compact progenitor star into a dense wind. The prompt thermal X-ray emission is produced in this model as the mildly... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1270 | cs/0702093 | 2007-02-16 | Secure Broadcasting | Wyner's wiretap channel is extended to parallel broadcast channels and fading channels with multiple receivers. In the first part of the paper, we consider the setup of parallel broadcast channels with one sender, multiple intended receivers, and one eavesdropper. We study the situations where the sender broadcasts eit... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "a khisti_1",
"name": "Ashish Khisti",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "a tchamkerten_1",
"name": "Aslan Tchamkerten",
"publication_history": null,
"h_index": null,
"num_papers": ... | null |
36193348 | cond-mat/0702378 | 2007-02-16 | Molecular Dynamics Simulation of Ga Penetration along Grain Boundaries in Al: a Dislocation Climb Mechanism | Many systems where a liquid metal is in contact with a polycrystalline solid exhibit deep liquid grooves where the grain boundary meets the solid-liquid interface. For example, liquid Ga quickly penetrates deep into grain boundaries in Al, leading to intergranular fracture under very small stresses. We report on a seri... | [
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "h nam_8",
"name": "Ho [\"Seok\"] Nam",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "d srolovitz_1",
"name": "David [\"J.\"] Srolovitz",
"publication_history": null,
"h_index": null,
"num_pap... | null |
5514101 | math/0702473 | 2007-02-16 | Some applications and methods of large deviations in finance and insurance | In these notes, we present some methods and applications of large deviations to finance and insurance. We begin with the classical ruin problem related to the Cramer's theorem and give en extension to an insurance model with investment in stock market. We then describe how large deviation approximation and importance s... | [
"math.PR",
"q-fin.ST"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
76656660 | cond-mat/0702419 | 2007-02-18 | The fundamental solution of the space-time fractional diffusion equation | We deal with the Cauchy problem for the space-time fractional diffusion-wave equation, which is obtained from the standard diffusion equation by replacing the second-order space derivative with a Riesz-Feller derivative of order alpha in (0,2] and skewness theta, and the first-order time derivative with a Caputo deriva... | [
"cond-mat.stat-mech",
"cond-mat.dis-nn",
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
27697160 | astro-ph/0702463 | 2007-02-18 | 350 Micron Observations of Ultraluminous Infrared Galaxies at Intermediate Redshifts | We present 350micron observations of 36 ultraluminous infrared galaxies (ULIRGs) at intermediate redshifts (0.089 <= z <= 0.926) using the Submillimeter High Angular Resolution Camera II (SHARC-II) on the Caltech Submillimeter Observatory (CSO). In total, 28 sources are detected at S/N >= 3, providing the first flux me... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "15000282",
"num_citations": null
},
{
"corpus_id": "119442538",
"num_citations": null
},
{
"corpus_id": "16492288",
"num_citations": null
},
{
"corpus_id": "5645241",
"num_citations": null
}
] | [
{
"author_id": "m yang_108",
"name": "M Yang",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "t greve_1",
"name": "Thomas [\"R.\"] Greve",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
53457839 | quant-ph/0702179 | 2007-02-18 | Groverian Entanglement Measure of Pure Quantum States with Arbitrary Partitions | The Groverian entanglement measure of pure quantum states of $n$ qubits is generalized to the case in which the qubits are divided into any $m \le n$ parties and the entanglement between these parties is evaluated. To demonstrate this measure we apply it to general states of three qubits and to symmetric states with an... | [
"quant-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "y shimoni_1",
"name": "Yishai Shimoni",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "o biham_1",
"name": "Ofer Biham",
"publication_history": null,
"h_index": null,
"num_papers": null,
"... | null |
14537866 | astro-ph/0702473 | 2007-02-19 | Constraints on spinning dust towards Galactic targets with the VSA: a tentative detection of excess microwave emission towards 3C396 | We present results from observations made at 33 GHz with the Very Small Array (VSA) telescope towards potential candidates in the Galactic plane for spinning dust emission. In the cases of the diffuse HII regions LPH96 and NRAO591 we find no evidence for anomalous emission and, in combination with Effelsberg data at 1.... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "8092130",
"num_citations": null
},
{
"corpus_id": "119088948",
"num_citations": null
},
{
"corpus_id": "8768435",
"num_citations": null
}
] | [
{
"author_id": "a scaife_1",
"name": "Anna [\"M.\",\"M.\"] Scaife",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "d green_1",
"name": "David [\"A.\"] Green",
"publication_history": null,
"h_index": null,
"nu... | null |
9050356 | astro-ph/0702483 | 2007-02-19 | Making Maps from Planck LFI 30GHz Data | This paper is one of a series describing the performance and accuracy of map-making codes as assessed by the Planck CTP working group. We compare the performance of multiple codes written by different groups for making polarized maps from Planck-sized, all-sky cosmic microwave background (CMB) data. Three of the codes ... | [
"astro-ph"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "42111035",
"num_citations": null
},
{
"corpus_id": "15185696",
"num_citations": null
},
{
"corpus_id": "10612050",
"num_citations": null
}
] | [
{
"author_id": "m ashdown_1",
"name": "Mark Ashdown",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "c baccigalupi_1",
"name": "Carlo Baccigalupi",
"publication_history": null,
"h_index": null,
"num_papers": ... | null |
6697188 | cs/0702112 | 2007-02-19 | The General Gaussian Multiple Access and Two-Way Wire-Tap Channels: Achievable Rates and Cooperative Jamming | The General Gaussian Multiple Access Wire-Tap Channel (GGMAC-WT) and the Gaussian Two-Way Wire-Tap Channel (GTW-WT) are considered. In the GGMAC-WT, multiple users communicate with an intended receiver in the presence of an eavesdropper who receives their signals through another GMAC. In the GTW-WT, two users communica... | [
"cs.IT",
"cs.CR",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15435254 | astro-ph/0702491 | 2007-02-19 | Understanding the Chemical Complexity in Circumstellar Envelopes of C-rich AGB Stars: the Case of IRC +10216 | The circumstellar envelopes of carbon-rich AGB stars show a chemical complexity that is exemplified by the prototypical object IRC +10216, in which about 60 different molecules have been detected to date. Most of these species are carbon chains of the type CnH, CnH2, CnN, HCnN. We present the detection of new species (... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
9018388 | cs/0702105 | 2007-02-19 | The Simplest Solution to an Underdetermined System of Linear Equations | Consider a d*n matrix A, with d<n. The problem of solving for x in y=Ax is underdetermined, and has infinitely many solutions (if there are any). Given y, the minimum Kolmogorov complexity solution (MKCS) of the input x is defined to be an input z (out of many) with minimum Kolmogorov-complexity that satisfies y=Az. On... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "d donoho_1",
"name": "David [\"L.\"] Donoho",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "h kakavand_0",
"name": "Hossein Kakavand",
"publication_history": null,
"h_index": null,
"num_paper... | null |
7824737 | physics/0702158 | 2007-02-19 | Analysis of a large-scale weighted network of one-to-one human communication | We construct a connected network of 3.9 million nodes from mobile phone call records, which can be regarded as a proxy for the underlying human communication network at the societal level. We assign two weights on each edge to reflect the strength of social interaction, which are the aggregate call duration and the cum... | [
"physics.soc-ph"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "j onnela_1",
"name": "Jukka-Pekka Onnela",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "j onnela_1",
"name": "Jukka-Pekka Onnela",
"publication_history": null,
"h_index": null,
"num_papers":... | null |
18813368 | astro-ph/0702452 | 2007-02-19 | Pulse Width Evolution of Late Time X-rays Flares in GRBs: Evidence For Internal Shocks | We study the duration and variability of late time X-ray flares following gamma-ray bursts (GRBs) observed by the narrow field X-ray telescope (XRT) aboard the {\it Swift} spacecraft. These flares are thought to be indicative of late time activity by the central engine that powers the GRB and produced by means similar ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14102360 | hep-th/0702155 | 2007-02-20 | Chiral symmetry breaking as open string tachyon condensation | We consider a general framework to study holographically the dynamics of fundamental quarks in a confining gauge theory. Flavors are introduced by placing a set of (coincident) branes and antibranes on a background dual to a confining color theory. The spectrum contains an open string tachyon and its condensation descr... | [
"hep-th",
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15651372 | hep-th/0702163 | 2007-02-20 | Partition functions and double-trace deformations in AdS/CFT | We study the effect of a relevant double-trace deformation on the partition function (and conformal anomaly) of a CFT at large N and its dual picture in AdS. Three complementary previous results are brought into full agreement with each other: bulk and boundary computations, as well as their formal identity. We show th... | [
"hep-th",
"math.DG"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6007650 | math/0702564 | 2007-02-20 | Convex Rank Tests and Semigraphoids | Convex rank tests are partitions of the symmetric group which have desirable geometric properties. The statistical tests defined by such partitions involve counting all permutations in the equivalence classes. Each class consists of the linear extensions of a partially ordered set specified by data. Our methods refine ... | [
"math.CO",
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
578439 | astro-ph/0702538 | 2007-02-20 | Physical Properties of Kuiper Belt and Centaur Objects: Constraints from Spitzer Space Telescope | Detecting heat from minor planets in the outer solar system is challenging, yet it is the most efficient means for constraining the albedos and sizes of Kuiper Belt Objects (KBOs) and their progeny, the Centaur objects. These physical parameters are critical, e.g., for interpreting spectroscopic data, deriving densitie... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13907168 | physics/0702162 | 2007-02-20 | The Nylon Scintillator Containment Vessels for the Borexino Solar Neutrino Experiment | Borexino is a solar neutrino experiment designed to observe the 0.86 MeV Be-7 neutrinos emitted in the pp cycle of the sun. Neutrinos will be detected by their elastic scattering on electrons in 100 tons of liquid scintillator. The neutrino event rate in the scintillator is expected to be low (~0.35 events per day per ... | [
"physics.ins-det"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14769639 | astro-ph/0702517 | 2007-02-20 | Towards absolute scales of radii and masses of open clusters | Aims: In this paper we derive tidal radii and masses of open clusters in the nearest kiloparsecs around the Sun. Methods: For each cluster, the mass is estimated from tidal radii determined from a fitting of three-parametric King's profiles to the observed integrated density distribution. Different samples of members a... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
11115398 | astro-ph/0702590 | 2007-02-21 | The QUEST Large Area CCD Camera | We have designed, constructed and put into operation a very large area CCD camera that covers the field of view of the 1.2 m Samuel Oschin Schmidt Telescope at the Palomar Observatory. The camera consists of 112 CCDs arranged in a mosaic of four rows with 28 CCDs each. The CCDs are 600 x 2400 pixel Sarnoff thinned, bac... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119425657 | hep-th/0702176 | 2007-02-21 | Mirage Torsion | Z_NxZ_M orbifold models admit the introduction of a discrete torsion phase. We find that models with discrete torsion have an alternative description in terms of torsionless models. More specifically, discrete torsion can be 'gauged away' by changing the shifts by lattice vectors. Similarly, a large class of the so-cal... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
787579 | cs/0702120 | 2007-02-21 | On the decidability and complexity of Metric Temporal Logic over finite words | Metric Temporal Logic (MTL) is a prominent specification formalism for real-time systems. In this paper, we show that the satisfiability problem for MTL over finite timed words is decidable, with non-primitive recursive complexity. We also consider the model-checking problem for MTL: whether all words accepted by a giv... | [
"cs.LO",
"cs.CC"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14225683 | math/0702659 | 2007-02-22 | Component selection and smoothing in multivariate nonparametric regression | We propose a new method for model selection and model fitting in multivariate nonparametric regression models, in the framework of smoothing spline ANOVA. The ``COSSO'' is a method of regularization with the penalty functional being the sum of component norms, instead of the squared norm employed in the traditional smo... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15606264 | math/0702650 | 2007-02-22 | Prediction in functional linear regression | There has been substantial recent work on methods for estimating the slope function in linear regression for functional data analysis. However, as in the case of more conventional finite-dimensional regression, much of the practical interest in the slope centers on its application for the purpose of prediction, rather ... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17674240 | math/0702657 | 2007-02-22 | A simple smooth backfitting method for additive models | In this paper a new smooth backfitting estimate is proposed for additive regression models. The estimate has the simple structure of Nadaraya--Watson smooth backfitting but at the same time achieves the oracle property of local linear smooth backfitting. Each component is estimated with the same asymptotic accuracy as ... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "14529695",
"num_citations": null
},
{
"corpus_id": "14737482",
"num_citations": null
}
] | [
{
"author_id": "e mammen_1",
"name": "Enno Mammen",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "b park_1",
"name": "Byeong [\"Uk\"] Park",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
6179608 | math/0702648 | 2007-02-22 | AR and MA representation of partial autocorrelation functions, with applications | We prove a representation of the partial autocorrelation function (PACF), or the Verblunsky coefficients, of a stationary process in terms of the AR and MA coefficients. We apply it to show the asymptotic behaviour of the PACF. We also propose a new definition of short and long memory in terms of the PACF. | [
"math.SP",
"math.PR"
] | null | [
"target.key_reference"
] | null | null | null |
119635163 | math/0702646 | 2007-02-22 | On the classifying space of the family of virtually cyclic subgroups | We study the minimal dimension of the classifying space of the family of virtually cyclic subgroups of a discrete group. We give a complete answer for instance if the group is virtually poly-Z, word-hyperbolic or countable locally virtually cyclic. We give examples of groups for which the difference of the minimal dime... | [
"math.AT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118896310 | astro-ph/0702616 | 2007-02-22 | Polarized radio emission from the magnetar XTE J1810-197 | We have used the Parkes radio telescope to study the polarized emission from the anomalous X-ray pulsar XTE J1810-197 at frequencies of 1.4, 3.2, and 8.4 GHz. We find that the pulsed emission is nearly 100% linearly polarized. The position angle of linear polarization varies gently across the observed pulse profiles, v... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
396104 | cs/0702124 | 2007-02-22 | A Sequential Algorithm for Generating Random Graphs | We present a nearly-linear time algorithm for counting and randomly generating simple graphs with a given degree sequence in a certain range. For degree sequence $(d_i)_{i=1}^n$ with maximum degree $d_{\max}=O(m^{1/4-\tau})$, our algorithm generates almost uniform random graphs with that degree sequence in time $O(m\,d... | [
"cs.CC",
"cs.DM"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
53725084 | astro-ph/0702600 | 2007-02-22 | The 21cm angular-power spectrum from the dark ages | At redshifts z >~ 30 neutral hydrogen gas absorbs CMB radiation at the 21cm spin-flip frequency. In principle this is observable and a high-precision probe of cosmology. We calculate the linear-theory angular power spectrum of this signal and cross-correlation between redshifts on scales much larger than the line width... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14152942 | math/0702653 | 2007-02-22 | From $\epsilon$-entropy to KL-entropy: Analysis of minimum information complexity density estimation | We consider an extension of $\epsilon$-entropy to a KL-divergence based complexity measure for randomized density estimation methods. Based on this extension, we develop a general information-theoretical inequality that measures the statistical complexity of some deterministic and randomized density estimators. Consequ... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
8519095 | astro-ph/0702638 | 2007-02-23 | X-ray Hardness Variations as an Internal/External Shock Diagnostic | The early, highly time-variable X-ray emission immediately following GRBs exhibits strong spectral variations that are unlike the temporally smoother emission which dominates after $t\sim 10^3$ s. The ratio of hard channel (1.3-10.0 keV) to soft channel (0.3-1.3 keV) counts in the Swift X-ray telescope provides a new m... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17766182 | math/0702683 | 2007-02-23 | Risk bounds for statistical learning | We propose a general theorem providing upper bounds for the risk of an empirical risk minimizer (ERM).We essentially focus on the binary classification framework. We extend Tsybakov's analysis of the risk of an ERM under margin type conditions by using concentration inequalities for conveniently weighted empirical proc... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
3264636 | cond-mat/0702546 | 2007-02-23 | A Landscape Analysis of Constraint Satisfaction Problems | We discuss an analysis of Constraint Satisfaction problems, such as Sphere Packing, K-SAT and Graph Coloring, in terms of an effective energy landscape. Several intriguing geometrical properties of the solution space become in this light familiar in terms of the well-studied ones of rugged (glassy) energy landscapes. A... | [
"cond-mat.stat-mech",
"cond-mat.dis-nn",
"cs.CC",
"nlin.CD"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "f krzakala_1",
"name": "Florent Krzakala",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "j kurchan_1",
"name": "Jorge Kurchan",
"publication_history": null,
"h_index": null,
"num_papers": nul... | null |
10616419 | math/0702686 | 2007-02-23 | Posterior consistency of Gaussian process prior for nonparametric binary regression | Consider binary observations whose response probability is an unknown smooth function of a set of covariates. Suppose that a prior on the response probability function is induced by a Gaussian process mapped to the unit interval through a link function. In this paper we study consistency of the resulting posterior dist... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
55264804 | math/0702682 | 2007-02-23 | Optimal adaptive estimation of a quadratic functional | Adaptive estimation of a quadratic functional over both Besov and $L_p$ balls is considered. A collection of nonquadratic estimators are developed which have useful bias and variance properties over individual Besov and $L_p$ balls. An adaptive procedure is then constructed based on penalized maximization over this col... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14129359 | math/0702710 | 2007-02-23 | Hitting Probabilities for Systems of Non-Linear Stochastic Heat Equations with Additive Noise | We consider a system of $d$ coupled non-linear stochastic heat equations in spatial dimension 1 driven by $d$-dimensional additive space-time white noise. We establish upper and lower bounds on hitting probabilities of the solution $\{u(t, x)\}_{t \in \mathbb{R}_+, x \in [0, 1]}$, in terms of respectively Hausdorff mea... | [
"math.PR"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "14017760",
"num_citations": null
},
{
"corpus_id": "117084862",
"num_citations": null
}
] | [
{
"author_id": "r dalang_1",
"name": "Robert [\"C.\"] Dalang",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "d khoshnevisan_1",
"name": "Davar Khoshnevisan",
"publication_history": null,
"h_index": null,
"nu... | null |
2306503 | quant-ph/0702211 | 2007-02-23 | Parameter estimation for mixed states from a single copy | Given a single copy of a mixed state of the form \rho=\lambda\rho_1+(1-\lambda)\rho_2, what is the optimal measurement to estimate the parameter \lambda, if \rho_1 and \rho_2 are known? We present a general strategy to obtain the optimal measurements employing a Bayesian estimator. The measurements are chosen to minimi... | [
"quant-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "t konrad_0",
"name": "Thomas Konrad",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "o guhne_1",
"name": "Otfried Guhne",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
16406482 | math/0702703 | 2007-02-23 | Can one estimate the conditional distribution of post-model-selection estimators? | We consider the problem of estimating the conditional distribution of a post-model-selection estimator where the conditioning is on the selected model. The notion of a post-model-selection estimator here refers to the combined procedure resulting from first selecting a model (e.g., by a model selection criterion such a... | [
"math.ST",
"stat.ME",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17507216 | nlin/0702047 | 2007-02-24 | Robust oscillations in SIS epidemics on adaptive networks: Coarse-graining by automated moment closure | We investigate the dynamics of an epidemiological susceptible-infected-susceptible (SIS) model on an adaptive network. This model combines epidemic spreading (dynamics on the network) with rewiring of network connections (topological evolution of the network). We propose and implement a computational approach that enab... | [
"nlin.AO",
"cond-mat.soft",
"physics.soc-ph"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference",
"target.key_reference"
] | [] | [
{
"author_id": "t gross_1",
"name": "Thilo Gross",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "i kevrekidis_1",
"name": "Ioannis [\"G.\"] Kevrekidis",
"publication_history": null,
"h_index": null,
"num_pap... | null |
12950580 | cs/0702146 | 2007-02-25 | A Local Tree Structure is NOT Sufficient for the Local Optimality of Message-Passing Decoding in Low Density Parity Check Codes | We address the problem,`Is a local tree structure sufficient for the local optimality of message passing algorithm in low density parity check codes?'.It is shown that the answer is negative. Using this observation, we pinpoint a flaw in the proof of Theorem 1 in the paper `The Capacity of Low-Density Parity-Check Code... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "w xu_79",
"name": "Weiyu Xu",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
119683858 | math/0702742 | 2007-02-25 | Hecke Operators on Drinfeld Cusp Forms | In this paper, we study the Drinfeld cusp forms for $\Gamma_1(T)$ and $\Gamma(T)$ using Teitelbaum's interpretation as harmonic cocycles. We obtain explicit eigenvalues of Hecke operators associated to degree one prime ideals acting on the cusp forms for $\Gamma_1(T)$ of small weights and conclude that these Hecke oper... | [
"math.NT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1127876 | math/0702744 | 2007-02-25 | Matrix norms and rapid mixing for spin systems | We give a systematic development of the application of matrix norms to rapid mixing in spin systems. We show that rapid mixing of both random update Glauber dynamics and systematic scan Glauber dynamics occurs if any matrix norm of the associated dependency matrix is less than 1. We give improved analysis for the case ... | [
"math.PR",
"cs.DS"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
29246347 | gr-qc/0702133 | 2007-02-25 | Maximum gravitational recoil | Recent calculations of gravitational radiation recoil generated during black-hole binary mergers have reopened the possibility that a merged binary can be ejected even from the nucleus of a massive host galaxy. Here we report the first systematic study of gravitational recoil of equal-mass binaries with equal, but anti... | [
"gr-qc",
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118002389 | cond-mat/0702575 | 2007-02-25 | Hydrogen Dynamics in Superprotonic CsHSO4 | We present a detailed study of proton dynamics in the hydrogen-bonded superprotonic conductor CsHSO4 from first-principles molecular dynamics simulations, isolating the subtle interplay between the dynamics of the O--H chemical bonds, the O...H hydrogen bonds, and the SO4 tetrahedra in promoting proton diffusion. We fi... | [
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15478405 | math/0702781 | 2007-02-26 | The distribution of model averaging estimators and an impossibility result regarding its estimation | The finite-sample as well as the asymptotic distribution of Leung and Barron's (2006) model averaging estimator are derived in the context of a linear regression model. An impossibility result regarding the estimation of the finite-sample distribution of the model averaging estimator is obtained. | [
"math.ST",
"stat.ME",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.