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 ⌀ |
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1277932 | cs/0603094 | 2006-03-23 | On the Capacity Achieving Transmit Covariance Matrices of MIMO Correlated Rician Channels: A Large System Approach | We determine the capacity-achieving input covariance matrices for coherent block-fading correlated MIMO Rician channels. In contrast with the Rayleigh and uncorrelated Rician cases, no closed-form expressions for the eigenvectors of the optimum input covariance matrix are available. Both the eigenvectors and eigenvalue... | [
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"name": "Philippe Loubaton",
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15234276 | astro-ph/0603665 | 2006-03-24 | Archeops In-flight Performance, Data Processing and Map Making | Archeops is a balloon--borne experiment widely inspired by the Planck satellite and by its High Frequency Instrument (HFI). It is mainly dedicated to measure the Cosmic Microwave Background (CMB) temperature anisotropies at high angular resolution (about 12 arcminutes) over a large fraction of the sky (around 30 %) in ... | [
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10358886 | quant-ph/0603226 | 2006-03-24 | One-way Quantum Computation - a tutorial introduction | In this book chapter, we provide a tutorial introduction to one-way quantum computation and many of the techniques one can use to understand it. The techniques which are described include the stabilizer formalism and the logical Heisenberg picture. We highlight ways in which it is useful to understand one-way computati... | [
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"name": "Hans [\"J.\"] Briegel",
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17184924 | astro-ph/0603680 | 2006-03-24 | Radio-loud Narrow-Line Type 1 Quasars | We present the first systematic study of (non-radio-selected) radio-loud narrow-line Seyfert 1 (NLS1) galaxies. Cross-correlation of the `Catalogue of Quasars and Active Nuclei' with several radio and optical catalogues led to the identification of 11 radio-loud NLS1 candidates including 4 previously known ones. Most o... | [
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14711996 | nlin/0603059 | 2006-03-25 | Length-scale estimates for the LANS-alpha equations in terms of the Reynolds number | Foias, Holm & Titi \cite{FHT2} have settled the problem of existence and uniqueness for the 3D \lans equations on periodic box $[0,L]^{3}$. There still remains the problem, first introduced by Doering and Foias \cite{DF} for the Navier-Stokes equations, of obtaining estimates in terms of the Reynolds number $\Rey$, who... | [
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6990879 | astro-ph/0603702 | 2006-03-25 | Millimetric observation of the SZ effect in the Corona Borealis supercluster | We have observed the Corona Borealis Supercluster with the Millimeter and Infrared Testa grigia Observatory (MITO), located in the Italian Alps, at 143, 214, 272, and 353 GHz. We present a description of the measurements, data analysis, and results of the observations together with a comparison with observations perfor... | [
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73551338 | physics/0603218 | 2006-03-26 | Self-Assembly of Information in Networks | We model self-assembly of information in networks to investigate necessary conditions for building a global perception of a system by local communication. Our approach is to let agents chat in a model system to self-organize distant communication-pathways. We demonstrate that simple local rules allow agents to build a ... | [
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11031372 | math/0603619 | 2006-03-27 | The max-plus finite element method for solving deterministic optimal control problems: basic properties and convergence analysis | We introduce a max-plus analogue of the Petrov-Galerkin finite element method to solve finite horizon deterministic optimal control problems. The method relies on a max-plus variational formulation. We show that the error in the sup norm can be bounded from the difference between the value function and its projections ... | [
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11761086 | physics/0603229 | 2006-03-27 | Graph Evolution: Densification and Shrinking Diameters | How do real graphs evolve over time? What are ``normal'' growth patterns in social, technological, and information networks? Many studies have discovered patterns in static graphs, identifying properties in a single snapshot of a large network, or in a very small number of snapshots; these include heavy tails for in- a... | [
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17084011 | astro-ph/0603696 | 2006-03-27 | Redshift and Shear Calibration: Impact on Cosmic Shear Studies and Survey Design | The cosmological interpretation of weak lensing by large-scale structures requires knowledge of the redshift distribution of the source galaxies. Current lensing surveys are often calibrated using external redshift samples which span a significantly smaller sky area in comparison to the lensing survey, and are thus sub... | [
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12249216 | astro-ph/0603717 | 2006-03-27 | Cygnus A: A Long Wavelength Resolution of the Hot Spots | This paper presents observations of Cygnus A at 74 and 327 MHz at angular resolutions of approximately 10" and 3", respectively. These observations are among the highest angular resolutions obtained below 1000 MHz for this object. While the angular resolution at 74 MHz is not sufficient to separate clearly the hot spot... | [
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17228531 | astro-ph/0603736 | 2006-03-27 | Asteroseismic inferences on GW Vir variable stars in the frame of new PG 1159 evolutionary models | This submission has been removed by arXiv administrators because it is a duplicate of astro-ph/0603735. | [
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5907379 | q-bio/0603031 | 2006-03-27 | A Mutagenetic Tree Hidden Markov Model for Longitudinal Clonal HIV Sequence Data | RNA viruses provide prominent examples of measurably evolving populations. In HIV infection, the development of drug resistance is of particular interest, because precise predictions of the outcome of this evolutionary process are a prerequisite for the rational design of antiretroviral treatment protocols. We present ... | [
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"author_id": "m drton_1",
"name": "Mathias Drton",
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792965 | cond-mat/0603718 | 2006-03-27 | Statistical Mechanics of Community Detection | Starting from a general \textit{ansatz}, we show how community detection can be interpreted as finding the ground state of an infinite range spin glass. Our approach applies to weighted and directed networks alike. It contains the \textit{at hoc} introduced quality function from \cite{ReichardtPRL} and the modularity $... | [
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4564684 | astro-ph/0603774 | 2006-03-28 | Debris Disks Around White Dwarfs: The DAZ Connection | We present near-infrared spectroscopic observations of 20 previously known DAZ white dwarfs obtained at the NASA Infrared Telescope Facility. Two of these white dwarfs (G29-38 and GD362) are known to display significant K-band excesses due to circumstellar debris disks. Here we report the discovery of excess K-band rad... | [
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119625698 | math/0603658 | 2006-03-28 | Ergodic theory for SDEs with extrinsic memory | We develop a theory of ergodicity for a class of random dynamical systems where the driving noise is not white. The two main tools of our analysis are the strong Feller property and topological irreducibility, introduced in this work for a class of non-Markovian systems. They allow us to obtain a criteria for ergodicit... | [
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9387775 | physics/0603235 | 2006-03-28 | Experimental Study of Parametric Autoresonance in Faraday Waves | The excitation of large amplitude nonlinear waves is achieved via parametric autoresonance of Faraday waves. We experimentally demonstrate that phase locking to low amplitude driving can generate persistent high-amplitude growth of nonlinear waves in a dissipative system. The experiments presented are in excellent agre... | [
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9792067 | astro-ph/0603759 | 2006-03-28 | A Comprehensive Study of 2 000 Narrow Line Seyfert 1 Galaxies from the Sloan Digital Sky Survey: I. The Sample | This is the first paper in a series dedicated to the study of the emission-line and continuum properties of narrow line Seyfert 1 galaxies (NLS1s). We carried out a systematic search for NLS1s from objects assigned as ``QSOs'' or ``galaxies'' in the spectroscopic sample of the Sloan Digital Sky Survey Data Release 3 (S... | [
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32906373 | cond-mat/0603758 | 2006-03-28 | Optimized multicanonical simulations: a new proposal based on classical fluctuation theory | We propose a new recursive procedure to estimate the microcanonical density of states in multicanonical Monte Carlo simulations which relies only on measurements of moments of the energy distribution, avoiding entirely the need for energy histograms. This method yields directly a piecewise analytical approximation to t... | [
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"name": "Miguel [\"D.\"] Costa",
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1557450 | math/0603668 | 2006-03-28 | Parameter Estimation for Multiscale Diffusions | We study the problem of parameter estimation for time-series possessing two, widely separated, characteristic time scales. The aim is to understand situations where it is desirable to fit a homogenized singlescale model to such multiscale data. We demonstrate, numerically and analytically, that if the data is sampled t... | [
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"author_id": "a stuart_2",
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16361901 | cs/0603112 | 2006-03-28 | A General Framework for Scalability and Performance Analysis of DHT Routing Systems | In recent years, many DHT-based P2P systems have been proposed, analyzed, and certain deployments have reached a global scale with nearly one million nodes. One is thus faced with the question of which particular DHT system to choose, and whether some are inherently more robust and scalable. Toward developing such a co... | [
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9916212 | math/0603673 | 2006-03-29 | Correction. Connect The Dots: How Many Random Points Can A Regular Curve Pass Through? | Correction for Adv. in Appl. Probab. 37, no. 3 (2005), 571-603 | [
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18568930 | math/0603674 | 2006-03-29 | Generalized rank-constrained matrix approximations | In this paper we give an explicit solution to the rank constrained matrix approximation in Frobenius norm, which is a generalization of the classical approximation of an m by n matrix A by a matrix of rank k at most. | [
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32704515 | quant-ph/0603269 | 2006-03-29 | Entanglement of Dirac fields in non-inertial frames | We analyze the entanglement between two modes of a free Dirac field as seen by two relatively accelerated parties. The entanglement is degraded by the Unruh effect and asymptotically reaches a non-vanishing minimum value in the infinite acceleration limit. This means that the state always remains entangled to a degree ... | [
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14427768 | q-bio/0603034 | 2006-03-29 | Epistasis and Shapes of Fitness Landscapes | The relationship between the shape of a fitness landscape and the underlying gene interactions, or epistasis, has been extensively studied in the two-locus case. Gene interactions among multiple loci are usually reduced to two-way interactions. We present a geometric theory of shapes of fitness landscapes for multiple ... | [
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"name": "Lior [\"S.\"] Pachter",
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18251087 | cond-mat/0603820 | 2006-03-30 | Poisson's ratio in cubic materials | Expressions are given for the maximum and minimum values of Poisson's ratio $\nu$ for materials with cubic symmetry. Values less than -1 occur if and only if the maximum shear modulus is associated with the cube axis and is at least 25 times the value of the minimum shear modulus. Large values of $|\nu|$ occur in direc... | [
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] | null | [
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116936912 | cond-mat/0603817 | 2006-03-30 | Coarse graining the Cyclic Lotka-Volterra Model: SSA and local maximum likelihood estimation | When the output of an atomistic simulation (such as the Gillespie stochastic simulation algorithm, SSA) can be approximated as a diffusion process, we may be interested in the dynamic features of the deterministic (drift) component of this diffusion. We perform traditional scientific computing tasks (integration, stead... | [
"cond-mat.stat-mech"
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{
"author_id": "c calderón_0",
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20134124 | cond-mat/0603807 | 2006-03-30 | Contact mechanics for randomly rough surfaces | When two solids are squeezed together they will in general not make atomic contact everywhere within the nominal (or apparent) contact area. This fact has huge practical implications and must be considered in many technological applications. In this paper I briefly review basic theories of contact mechanics. I consider... | [
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626037 | math/0603716 | 2006-03-30 | Condition Estimates for Pseudo-Arclength Continuation | We bound the condition number of the Jacobian in pseudo arclength continuation problems, and we quantify the effect of this condition number on the linear system solution in a Newton GMRES solve. In pseudo arclength continuation one repeatedly solves systems of nonlinear equations $F(u(s),\lambda(s))=0$ for a real-valu... | [
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8078970 | physics/0603273 | 2006-03-31 | Spontaneous creation of macroscopic flow and metachronal waves in an array of cilia | Cells or bacteria carrying cilia on their surface show many striking features : alignment of cilia in an array, two-phase asymmetric beating for each cilium, coordination between cilia and existence of metachronal waves with a constant phase difference between two adjacent cilia. We give simple theoretical arguments ba... | [
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3193295 | hep-th/0603253 | 2006-03-31 | Deformations of Toric Singularities and Fractional Branes | Fractional branes added to a large stack of D3-branes at the singularity of a Calabi-Yau cone modify the quiver gauge theory breaking conformal invariance and leading to different kinds of IR behaviors. For toric singularities admitting complex deformations we propose a simple method that allows to compute the anomaly ... | [
"hep-th"
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15340395 | astro-ph/0603846 | 2006-03-31 | Full evolutionary models for PG1159 stars. Implications for the helium-rich O(He) stars | We present full evolutionary calculations appropriate to post-AGB PG1159 stars for a wide range of stellar masses. We take into account the complete evolutionary stages of PG1159 progenitors starting from the Zero Age Main Sequence. We consider the two kinds of Born Again Scenarios, the very late thermal pulse (VLTP) a... | [
"astro-ph"
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119069040 | nlin/0603075 | 2006-03-31 | Fast Ensemble Smoothing | Smoothing is essential to many oceanographic, meteorological and hydrological applications. The interval smoothing problem updates all desired states within a time interval using all available observations. The fixed-lag smoothing problem updates only a fixed number of states prior to the observation at current time. T... | [
"nlin.CD"
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5395660 | cs/0604001 | 2006-04-01 | Theoretical Properties of Projection Based Multilayer Perceptrons with Functional Inputs | Many real world data are sampled functions. As shown by Functional Data Analysis (FDA) methods, spectra, time series, images, gesture recognition data, etc. can be processed more efficiently if their functional nature is taken into account during the data analysis process. This is done by extending standard data analys... | [
"cs.NE"
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62807147 | 1304.1186 | 2006-04-01 | Five Misunderstandings About Case-Study Research | This article examines five common misunderstandings about case-study research: (1) Theoretical knowledge is more valuable than practical knowledge; (2) One cannot generalize from a single case, therefore the single case study cannot contribute to scientific development; (3) The case study is most useful for generating ... | [
"q-fin.GN"
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17338013 | astro-ph/0604006 | 2006-04-01 | Probing T Tauri Accretion and Outflow with 1 Micron Spectroscopy | In a high dispersion 1 micron survey of 39 classical T Tauri stars veiling is detected in 80%, and He I 10830 and Pgamma line emission in 97% of the stars. On average, the 1 micron veiling exceeds the level expected from previously identified sources of excess emission, suggesting the presence of an additional contribu... | [
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17816052 | astro-ph/0604010 | 2006-04-02 | Galaxy luminosity function per morphological type up to z=1.2 | We have computed the evolution of the rest-frame B-band luminosity function (LF) for bulge and disk-dominated galaxies since z=1.2. We use a sample of 605 spectroscopic redshifts with I_{AB}<24 in the Chandra Deep Field South from the VIMOS-VLT Deep Survey, 3555 galaxies with photometric redshifts from the COMBO-17 mul... | [
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... | null |
273427310 | quant-ph/0604010 | 2006-04-03 | Universal resources for measurement-based quantum computation | We investigate which entanglement resources allow universal measurement-based quantum computation via single-qubit operations. We find that any entanglement feature exhibited by the 2D cluster state must also be present in any other universal resource. We obtain a powerful criterion to assess universality of graph stat... | [
"quant-ph"
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"author_id": "a miyake_1",
"name": "Akimasa Miyake",
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43156881 | cond-mat/0604050 | 2006-04-03 | Dissipative Visco-plastic Deformation in Dynamic Fracture: Tip Blunting and Velocity Selection | Dynamic fracture in a wide class of materials reveals "fracture energy" $\Gamma$ much larger than the expected nominal surface energy due to the formation of two fresh surfaces. Moreover, the fracture energy depends on the crack velocity, $\Gamma=\Gamma(v)$. We show that a simple dynamical theory of visco-plasticity co... | [
"cond-mat.mtrl-sci",
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"name": "Anna Pomyalov",
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9121444 | hep-th/0604007 | 2006-04-03 | Holographic Wilson Loops | We show that all half-BPS Wilson loop operators in N=4 SYM -- which are labeled by Young tableaus -- have a gravitational dual description in terms of D5-branes or alternatively in terms of D3-branes in AdS_5xS^5. We prove that the insertion of a half-BPS Wilson loop operator in the cal N=4 SYM path integral is achieve... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15629487 | hep-ph/0604011 | 2006-04-03 | Precise predictions for the Higgs-boson decay H -> W W/Z Z -> 4 leptons | The decay of the Standard Model Higgs boson into four leptons via a virtual W-boson or Z-boson pair is one of the most important decay modes in the Higgs-boson search at the LHC. We present the complete electroweak radiative corrections of O(\alpha) to these processes, including improvements beyond O(\alpha) originatin... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17456975 | astro-ph/0604040 | 2006-04-03 | The Global 21 Centimeter Background from High Redshifts | We consider the evolution of the sky-averaged 21 cm background during the early phases of structure formation. Using simple analytic models, we calculate the thermal and ionization histories, assuming that stellar photons dominate the radiation background. The resulting 21 cm spectra can constrain the properties of the... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13378471 | cond-mat/0604036 | 2006-04-03 | Networks and Our Limited Information Horizon | In this paper we quantify our limited information horizon, by measuring the information necessary to locate specific nodes in a network. To investigate different ways to overcome this horizon, and the interplay between communication and topology in social networks, we let agents communicate in a model society. Thereby ... | [
"cond-mat.dis-nn"
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] | [
{
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{
"author_id": "k sneppen_1",
"name": "Kim Sneppen",
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... | null |
119353677 | gr-qc/0604016 | 2006-04-04 | Hidden Quantum Gravity in 3d Feynman diagrams | In this work we show that 3d Feynman amplitudes of standard QFT in flat and homogeneous space can be naturally expressed as expectation values of a specific topological spin foam model. The main interest of the paper is to set up a framework which gives a background independent perspective on usual field theories and c... | [
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{
"author_id": "l freidel_1",
"name": "Laurent Freidel",
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"num_papers": nu... | null |
847741 | astro-ph/0604051 | 2006-04-04 | Robust Dark Energy Constraints from Supernovae, Galaxy Clustering, and Three-Year Wilkinson Microwave Anisotropy Probe Observations | Type Ia supernova (SN Ia), galaxy clustering, and cosmic microwave background anisotropy (CMB) data provide complementary constraints on the nature of the dark energy in the universe. We find that the three-year Wilkinson Microwave Anisotropy Probe (WMAP) observations give a CMB shift parameter of R = (\Omega_m H_0^2)^... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
207159283 | cs/0604008 | 2006-04-04 | Minimum-Cost Coverage of Point Sets by Disks | We consider a class of geometric facility location problems in which the goal is to determine a set X of disks given by their centers (t_j) and radii (r_j) that cover a given set of demand points Y in the plane at the smallest possible cost. We consider cost functions of the form sum_j f(r_j), where f(r)=r^alpha is the... | [
"cs.DS",
"cs.CG"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
55713539 | astro-ph/0604070 | 2006-04-04 | Non-Gaussianity in the Very Small Array CMB maps with Smooth-Goodness-of-fit tests | (Abridged) We have used the Rayner & Best (1989) smooth tests of goodness-of-fit to study the Gaussianity of the Very Small Array (VSA) data. Out of the 41 published VSA individual pointings dedicated to cosmological observations, 37 are found to be consistent with Gaussianity, whereas four pointings show deviations fr... | [
"astro-ph"
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{
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"author_id": "a aliaga_0",
"name": "Antonio [\"M.\"] Aliaga",
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9858416 | math/0604064 | 2006-04-04 | High-Dimensional Data Clustering | Clustering in high-dimensional spaces is a difficult problem which is recurrent in many domains, for example in image analysis. The difficulty is due to the fact that high-dimensional data usually live in different low-dimensional subspaces hidden in the original space. This paper presents a family of Gaussian mixture ... | [
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{
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"name": "Stéphane Girard",
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14766853 | cond-mat/0604068 | 2006-04-04 | Space-time thermodynamics and subsystem observables in a kinetically constrained model of glassy systems | In a recent article [M. Merolle et al., Proc. Natl. Acad. Sci. USA 102, 10837 (2005)] it was argued that dynamic heterogeneity in $d$-dimensional glass formers is a manifestation of an order-disorder phenomenon in the $d+1$ dimensions of spacetime. By considering a dynamical analogue of the free energy, evidence was fo... | [
"cond-mat.stat-mech"
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{
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"name": "Juan [\"P.\"] Garrahan",
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18403279 | math/0604056 | 2006-04-04 | Buildings and Hecke algebras | This paper investigates the connections between buildings and Hecke algebras through the combinatorial study of two algebras spanned by averaging operators on buildings. As a consequence we obtain a geometric and combinatorial description of certain Hecke algebras, and in particular of the Macdonald spherical functions... | [
"math.RT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1689914 | cs/0604017 | 2006-04-05 | AS Relationships: Inference and Validation | Research on performance, robustness, and evolution of the global Internet is fundamentally handicapped without accurate and thorough knowledge of the nature and structure of the contractual relationships between Autonomous Systems (ASs). In this work we introduce novel heuristics for inferring AS relationships. Our heu... | [
"cs.NI"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6358235 | nlin/0604009 | 2006-04-05 | The Surface Topography of a Magnetic Fluid -- a Quantitative Comparison between Experiment and Numerical Simulation | The normal field instability in magnetic liquids is investigated experimentally by means of a radioscopic technique which allows a precise measurement of the surface topography. The dependence of the topography on the magnetic field is compared to results obtained by numerical simulations via the finite element method.... | [
"nlin.PS"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6987542 | cs/0604011 | 2006-04-05 | Semi-Supervised Learning -- A Statistical Physics Approach | We present a novel approach to semi-supervised learning which is based on statistical physics. Most of the former work in the field of semi-supervised learning classifies the points by minimizing a certain energy function, which corresponds to a minimal k-way cut solution. In contrast to these methods, we estimate the ... | [
"cs.LG",
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"cs.CV"
] | null | [
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] | null | null | null |
59516 | cs/0604025 | 2006-04-06 | An Extremal Inequality Motivated by Multiterminal Information Theoretic Problems | We prove a new extremal inequality, motivated by the vector Gaussian broadcast channel and the distributed source coding with a single quadratic distortion constraint problems. As a corollary, this inequality yields a generalization of the classical entropy-power inequality (EPI). As another corollary, this inequality ... | [
"cs.IT",
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] | null | [
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{
"author_id": "t liu_104",
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"name": "Pramod Viswanath",
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... | null |
119330744 | astro-ph/0604143 | 2006-04-06 | B polarization of cosmic microwave background as a tracer of strings | String models can produce successful inflationary scenarios in the context of brane collisions and in many of these models cosmic strings may also be produced. In scenarios such as KKLMMT the string contribution is naturally predicted to be well below the inflationary signal for cosmic microwave background (CMB) temper... | [
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{
"author_id": "u seljak_2",
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{
"author_id": "a slosar_1",
"name": "Anže Slosar",
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45078340 | physics/0604043 | 2006-04-06 | Hardware performance of a scanning system for high speed analysis of nuclear emulsions | The use of nuclear emulsions in very large physics experiments is now possible thanks to the recent improvements in the industrial production of emulsions and to the development of fast automated microscopes. In this paper the hardware performances of the European Scanning System (ESS) are described. The ESS is a very ... | [
"physics.ins-det"
] | null | [
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{
"author_id": "l arrabito_1",
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"name": "E. Barbuto",
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"... | null |
1576779 | cs/0604021 | 2006-04-06 | Low Latency Wireless Ad-Hoc Networking: Power and Bandwidth Challenges and a Hierarchical Solution | This paper is concerned with the scaling of the number of hops in a large scale wireless ad-hoc network (WANET), a quantity we call network latency. A large network latency affects all aspects of data communication in a WANET, including an increase in delay, packet loss, required processing power and memory. We conside... | [
"cs.IT",
"math.IT"
] | null | [
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{
"author_id": "n sarshar_1",
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{
"author_id": "b rezaei_2",
"name": "Behnam [\"Attaran\"] Rezaei",
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14843803 | physics/0604062 | 2006-04-07 | Recurrent motions within plane Couette turbulence | The phenomenon of bursting, in which streaks in turbulent boundary layers oscillate and then eject low speed fluid away from the wall, has been studied experimentally, theoretically, and computationally for more than 50 years because of its importance to the three-dimensional structure of turbulent boundary layers. We ... | [
"physics.flu-dyn",
"nlin.CD"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10758446 | math/0604172 | 2006-04-07 | Weighted Hypothesis Testing | The power of multiple testing procedures can be increased by using weighted p-values (Genovese, Roeder and Wasserman 2005). We derive the optimal weights and we show that the power is remarkably robust to misspecification of these weights. We consider two methods for choosing weights in practice. The first, external we... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
33144766 | quant-ph/0604049 | 2006-04-07 | Tight informationally complete quantum measurements | We introduce a class of informationally complete positive-operator-valued measures which are, in analogy with a tight frame, "as close as possible" to orthonormal bases for the space of quantum states. These measures are distinguished by an exceptionally simple state-reconstruction formula which allows "painless" quant... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3265062 | cs/0604028 | 2006-04-07 | Two Proofs of the Fisher Information Inequality via Data Processing Arguments | Two new proofs of the Fisher information inequality (FII) using data processing inequalities for mutual information and conditional variance are presented. | [
"cs.IT",
"math.IT"
] | null | [
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{
"author_id": "t liu_104",
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{
"author_id": "p viswanath_1",
"name": "Pramod Viswanath",
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... | null |
35267028 | gr-qc/0604032 | 2006-04-07 | Binary black hole detection rates in inspiral gravitational wave searches | The signal-to-noise ratios (SNRs) for quasi-circular binary black hole inspirals computed from restricted post-Newtonian waveforms are compared with those attained by more complete post-Newtonian signals, which are superpositions of amplitude-corrected harmonics of the orbital phase. It is shown that if one were to use... | [
"gr-qc",
"astro-ph"
] | null | [
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{
"author_id": "c broeck_1",
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}
] | null |
924340 | q-bio/0604010 | 2006-04-08 | Non-equilibrium theory of the allele frequency spectrum | A forward diffusion equation describing the evolution of the allele frequency spectrum is presented. The influx of mutations is accounted for by imposing a suitable boundary condition. For a Wright-Fisher diffusion with or without selection and varying population size, the boundary condition is $\lim_{x \downarrow 0} x... | [
"q-bio.PE",
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7878119 | cs/0604037 | 2006-04-09 | An O(n^3)-Time Algorithm for Tree Edit Distance | The {\em edit distance} between two ordered trees with vertex labels is the minimum cost of transforming one tree into the other by a sequence of elementary operations consisting of deleting and relabeling existing nodes, as well as inserting new nodes. In this paper, we present a worst-case $O(n^3)$-time algorithm for... | [
"cs.DS"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1403 | quant-ph/0604056 | 2006-04-09 | Quantum Versus Classical Proofs and Advice | This paper studies whether quantum proofs are more powerful than classical proofs, or in complexity terms, whether QMA=QCMA. We prove three results about this question. First, we give a "quantum oracle separation" between QMA and QCMA. More concretely, we show that any quantum algorithm needs $\Omega(\sqrt{2^n/(m+1)})$... | [
"quant-ph",
"cs.CC"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
11809605 | quant-ph/0604070 | 2006-04-10 | Quantum Memory Hierarchies: Efficient Designs to Match Available Parallelism in Quantum Computing | The assumption of maximum parallelism support for the successful realization of scalable quantum computers has led to homogeneous, ``sea-of-qubits'' architectures. The resulting architectures overcome the primary challenges of reliability and scalability at the cost of physically unacceptable system area. We find that ... | [
"quant-ph"
] | null | [
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] | [
{
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{
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] | [
{
"author_id": "d thaker_1",
"name": "Darshan [\"D.\"] Thaker",
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{
"author_id": "t metodi_1",
"name": "Tzvetan [\"S.\"] Metodi",
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"nu... | null |
13923168 | math/0604214 | 2006-04-10 | Exponential inequalities and functional estimations for weak dependent datas ; applications to dynamical systems | We estimate density and regression functions for weak dependant datas. Using an exponential inequality obtained by Dedecker and Prieur and in a previous article of the author, we control the deviation between the estimator and the function itself. These results are applied to a large class of dynamical systems and lead... | [
"math.DS",
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5158506 | cs/0604040 | 2006-04-10 | Optimal Distortion-Power Tradeoffs in Sensor Networks: Gauss-Markov Random Processes | We investigate the optimal performance of dense sensor networks by studying the joint source-channel coding problem. The overall goal of the sensor network is to take measurements from an underlying random process, code and transmit those measurement samples to a collector node in a cooperative multiple access channel ... | [
"cs.IT",
"math.IT"
] | null | [
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] | [] | [
{
"author_id": "n liu_6",
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{
"author_id": "s ulukus_1",
"name": "Sennur Ulukus",
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119352837 | hep-ex/0604019 | 2006-04-10 | Geoneutrinos in Borexino | This paper describes the Borexino detector and the high-radiopurity studies and tests that are integral part of the Borexino technology and development. The application of Borexino to the detection and studies of geoneutrinos is discussed. | [
"hep-ex"
] | null | [
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] | [
{
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] | [
{
"author_id": "m giammarchi_1",
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{
"author_id": "l miramonti_1",
"name": "Lino Miramonti",
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"num_papers"... | null |
16086211 | quant-ph/0604071 | 2006-04-11 | Kinetics and thermodynamics of electron transfer in Debye solvents: An analytical and nonperturbative reduced density matrix theory | A nonperturbative electron transfer rate theory is developed based on the reduced density matrix dynamics, which can be evaluated readily for the Debye solvent model without further approximation. Not only does it recover for reaction rates the celebrated Marcus' inversion and Kramers' turnover behaviors, the present t... | [
"quant-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "p han_22",
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{
"author_id": "r xu_54",
"name": "Ruixue Xu",
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119459778 | cond-mat/0604288 | 2006-04-11 | A single layer of Mn in a GaAs quantum well: a ferromagnet with quantum fluctuations | Some of the highest transition temperatures achieved for Mn-doped GaAs have been in delta-doped heterostructures with well-separated planes of Mn. But in the absence of magnetic anisotropy, the Mermin-Wagner theorem implies that a single plane of magnetic ions cannot be ferromagnetic. Using a Heisenberg model, we show ... | [
"cond-mat.mtrl-sci",
"cond-mat.str-el"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "r melko_1",
"name": "Roger [\"G.\"] Melko",
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{
"author_id": "r fishman_0",
"name": "Randy [\"S.\"] Fishman",
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832133 | math/0604232 | 2006-04-11 | Local-global principles for representations of quadratic forms | We prove the local-global principle holds for the problem of representations of quadratic forms by quadratic forms, in codimension $\geq 7$. The proof uses the ergodic theory of $p$-adic groups, together with a fairly general observation on the structure of orbits of an arithmetic group acting on integral points of a v... | [
"math.NT"
] | null | [
"target.author.publication_history",
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{
"author_id": "j ellenberg_2",
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{
"author_id": "a venkatesh_1",
"name": "Akshay Venkatesh",
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"h_index": null,
"n... | null |
14753350 | math/0604233 | 2006-04-11 | Generalization error bounds in semi-supervised classification under the cluster assumption | We consider semi-supervised classification when part of the available data is unlabeled. These unlabeled data can be useful for the classification problem when we make an assumption relating the behavior of the regression function to that of the marginal distribution. Seeger (2000) proposed the well-known "cluster assu... | [
"math.ST",
"cs.LG",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5626636 | cs/0604049 | 2006-04-11 | Low SNR Capacity of Fading Channels with Peak and Average Power Constraints | Flat-fading channels that are correlated in time are considered under peak and average power constraints. For discrete-time channels, a new upper bound on the capacity per unit time is derived. A low SNR analysis of a full-scattering vector channel is used to derive a complimentary lower bound. Together, these bounds a... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
19691925 | physics/0604103 | 2006-04-12 | Memory-Based Snowdrift Game on Networks | We present a memory-based snowdrift game (MBSG) taking place on networks. We found that, when a lattice is taken to be the underlying structure, the transition of spatial patterns at some critical values of the payoff parameter is observable for both 4 and 8-neighbor lattices. The transition points as well as the style... | [
"physics.soc-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17082090 | cs/0604053 | 2006-04-12 | Survivable Routing in IP-over-WDM Networks in the Presence of Multiple Failures | Failure restoration at the IP layer in IP-over-WDM networks requires to map the IP topology on the WDM topology in such a way that a failure at the WDM layer leaves the IP topology connected. Such a mapping is called $survivable$. As finding a survivable mapping is known to be NP-complete, in practice it requires a heu... | [
"cs.NI"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m kurant_1",
"name": "Maciej Kurant",
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"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "p thiran_1",
"name": "Patrick Thiran",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
8938157 | math/0604294 | 2006-04-12 | Pseudodifferential Operators on Locally Compact Abelian Groups and Sjoestrand's Symbol Class | We investigate pseudodifferential operators on arbitrary locally compact abelian groups. As symbol classes for the Kohn-Nirenberg calculus we introduce a version of Sjoestrand's class. Pseudodifferential operators with such symbols form a Banach algebra that is closed under inversion. Since "hard analysis" techniques a... | [
"math.FA",
"math.AP"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "18481721",
"num_citations": null
}
] | [
{
"author_id": "k gröchenig_1",
"name": "Karlheinz Gröchenig",
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"h_index": null,
"num_papers": null,
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},
{
"author_id": "t strohmer_1",
"name": "Thomas Strohmer",
"publication_history": null,
"h_index": null,
"num_paper... | null |
2165054 | astro-ph/0604260 | 2006-04-12 | Circumstellar material in the Vega inner system revealed by CHARA/FLUOR | Only a handful of debris disks have been imaged up to now. Due to the need for high dynamic range and high angular resolution, very little is known about the inner planetary region, where small amounts of warm dust are expected to be found. We investigate the close neighbourhood of Vega with the help of infrared stella... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18121660 | astro-ph/0604286 | 2006-04-12 | Dynamical Masses in Luminous Infrared Galaxies | We have studied the dynamics and masses of a sample of ten nearby luminous and ultraluminous infrared galaxies (LIRGS and ULIRGs), using 2.3 micron CO absorption line spectroscopy and near-infrared H- and Ks-band imaging. By combining velocity dispersions derived from the spectroscopy, disk scale-lengths obtained from ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10947514 | cs/0604061 | 2006-04-13 | Effect of E-printing on Citation Rates in Astronomy and Physics | In this report we examine the change in citation behavior since the introduction of the arXiv e-print repository (Ginsparg, 2001). It has been observed that papers that initially appear as arXiv e-prints get cited more than papers that do not (Lawrence, 2001; Brody et al., 2004; Schwarz & Kennicutt, 2004; Kurtz et al.,... | [
"cs.DL",
"astro-ph"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "16771224",
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},
{
"corpus_id": "15462472",
"num_citations": null
}
] | [
{
"author_id": "e henneken_1",
"name": "Edwin [\"A.\"] Henneken",
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"num_papers": null,
"num_citations": null
},
{
"author_id": "m kurtz_2",
"name": "Michael [\"J.\"] Kurtz",
"publication_history": null,
"h_index": null,
"nu... | null |
12380645 | math/0604324 | 2006-04-13 | Uniform approximation of sgn(x) by polynomials and entire functions | We study the best uniform approximation by polynomials of fixed degree of the function sgn(x) on the union of two intervals symmetric with respect to the origin. We obtain precise asymptotics, with explicit constants, for the error of the best approximation as the degrees tend to infinity. Our approach is based on a ne... | [
"math.CA",
"math.CV"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
9503531 | cond-mat/0604333 | 2006-04-13 | Interfacial dynamics in transport-limited dissolution | Various model problems of ``transport-limited dissolution'' in two dimensions are analyzed using time-dependent conformal maps. For diffusion-limited dissolution (reverse Laplacian growth), several exact solutions are discussed for the smoothing of corrugated surfaces, including the continuous analogs of ``internal dif... | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "m bazant_1",
"name": "Martin [\"Z.\"] Bazant",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
119510845 | astro-ph/0604293 | 2006-04-13 | The properties of the "standard" type Ic supernova 1994I from spectral models | The properties of the type Ic supernova SN 1994I are re-investigated. This object is often referred to as a "standard SN Ic" although it exhibited an extremely fast light curve and unusually blue early-time spectra. In addition, the observations were affected by significant dust extinction. A series of spectral models ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15007159 | q-bio/0604017 | 2006-04-13 | Complex Qualitative Models in Biology: a new approach | We advocate the use of qualitative models in the analysis of large biological systems. We show how qualitative models are linked to theoretical differential models and practical graphical models of biological networks. A new technique for analyzing qualitative models is introduced, which is based on an efficient repres... | [
"q-bio.MN"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "p veber_0",
"name": "Philippe Veber",
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},
{
"author_id": "m leborgne_0",
"name": "Michel LeBorgne",
"publication_history": null,
"h_index": null,
"num_papers": null,... | null |
8561289 | astro-ph/0604332 | 2006-04-14 | Detection of a 63 Degree Cold Stellar Stream in the Sloan Digital Sky Survey | We report on the detection in Sloan Digital Sky Survey data of a 63 degree-long tidal stream of stars, extending from Ursa Major to Cancer. The stream has no obvious association with the orbit of any known cluster or galaxy. The contrast of the detected stream is greatest when using a star count filter that is matched ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119357432 | astro-ph/0604335 | 2006-04-14 | Cosmological parameters from combining the Lyman-alpha forest with CMB, galaxy clustering and SN constraints | We combine the Ly-alpha forest power spectrum (LYA) from the Sloan Digital Sky Survey (SDSS) and high resolution spectra with cosmic microwave background (CMB) including 3-year WMAP, and supernovae (SN) and galaxy clustering constraints to derive new constraints on cosmological parameters. The existing LYA power spectr... | [
"astro-ph",
"hep-ph"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "u seljak_2",
"name": "Uroš Seljak",
"publication_history": null,
"h_index": null,
"num_papers": null,
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},
{
"author_id": "a slosar_1",
"name": "Anže Slosar",
"publication_history": null,
"h_index": null,
"num_papers": null,
"nu... | null |
1486620 | nlin/0604031 | 2006-04-14 | Nonlinearity Management in Optics: Experiment, Theory, and Simulation | We conduct an experimental investigation of nonlinearity management in optics using femtosecond pulses and layered Kerr media consisting of glass and air. By examining the propagation properties over several diffraction lengths, we show that wave collapse can be prevented. We corroborate these experimental results with... | [
"nlin.PS",
"nlin.SI",
"physics.optics"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "m centurion_1",
"name": "Martin Centurion",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "m porter_1",
"name": "Mason [\"A.\"] Porter",
"publication_history": null,
"h_index": null,
"num_pape... | null |
119580027 | math/0604352 | 2006-04-16 | Stein's method for concentration inequalities | We introduce a version of Stein's method for proving concentration and moment inequalities in problems with dependence. Simple illustrative examples from combinatorics, physics, and mathematical statistics are provided. | [
"math.PR",
"math.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15341237 | math/0604353 | 2006-04-16 | Low-degree tests at large distances | We define tests of boolean functions which distinguish between linear (or quadratic) polynomials, and functions which are very far, in an appropriate sense, from these polynomials. The tests have optimal or nearly optimal trade-offs between soundness and the number of queries. In particular, we show that functions with... | [
"math.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14183148 | math/0604366 | 2006-04-17 | The Kesten-Stigum Reconstruction Bound Is Tight for Roughly Symmetric Binary Channels | We establish the exact threshold for the reconstruction problem for a binary asymmetric channel on the b-ary tree, provided that the asymmetry is sufficiently small. This is the first exact reconstruction threshold obtained in roughly a decade. We discuss the implications of our result for Glauber dynamics, phylogeneti... | [
"math.PR",
"cs.CC",
"q-bio.PE"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "16310935",
"num_citations": null
}
] | [
{
"author_id": "c borgs_1",
"name": "Christian Borgs",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "j chayes_1",
"name": "Jennifer [\"Tour\"] Chayes",
"publication_history": null,
"h_index": null,
"num_pape... | null |
17176438 | astro-ph/0604362 | 2006-04-17 | Improving Cosmological Distance Measurements by Reconstruction of the Baryon Acoustic Peak | The baryon acoustic oscillations are a promising route to the precision measure of the cosmological distance scale and hence the measurement of the time evolution of dark energy. We show that the non-linear degradation of the acoustic signature in the correlations of low-redshift galaxies is a correctable process. By s... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
516130 | cs/0604066 | 2006-04-17 | Univariate polynomial real root isolation: Continued Fractions revisited | We present algorithmic, complexity and implementation results concerning real root isolation of integer univariate polynomials using the continued fraction expansion of real algebraic numbers. One motivation is to explain the method's good performance in practice. We improve the previously known bound by a factor of $d... | [
"cs.SC",
"cs.CC",
"cs.MS"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "2299011",
"num_citations": null
}
] | [
{
"author_id": "e tsigaridas_1",
"name": "Elias [\"P.\"] Tsigaridas",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "i emiris_1",
"name": "Ioannis [\"Z.\"] Emiris",
"publication_history": null,
"h_index": null,
... | null |
15367643 | cond-mat/0604429 | 2006-04-18 | Community Detection as an Inference Problem | We express community detection as an inference problem of determining the most likely arrangement of communities. We then apply belief propagation and mean-field theory to this problem, and show that this leads to fast, accurate algorithms for community detection. | [
"cond-mat.stat-mech",
"cond-mat.dis-nn"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18598715 | cond-mat/0604412 | 2006-04-18 | Critical aging of Ising ferromagnets relaxing from an ordered state | We investigate the nonequilibrium behavior of the d-dimensional Ising model with purely dissipative dynamics during its critical relaxation from a magnetized initial configuration. The universal scaling forms of the two-time response and correlation functions of the magnetization are derived within the field-theoretica... | [
"cond-mat.stat-mech",
"hep-th"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "8951939",
"num_citations": null
},
{
"corpus_id": "10843810",
"num_citations": null
},
{
"corpus_id": "16030718",
"num_citations": null
},
{
"corpus_id": "119339167",
"num_citations": null
}
] | [
{
"author_id": "p calabrese_1",
"name": "Pasquale Calabrese",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "a gambassi_0",
"name": "Andrea Gambassi",
"publication_history": null,
"h_index": null,
"num_papers... | null |
17454520 | physics/0604147 | 2006-04-18 | Coarse-grained computation of traveling waves of lattice Boltzmann models with Newton-Krylov solvers | For many complex dynamical systems, a separation of scales prevails between the (microscopic) level of description of the available model, and the (macroscopic) level at which one would like to observe and analyze the system. For this type of problems, an ``equation-free'' framework has recently been proposed. Using ap... | [
"physics.comp-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "g samaey_1",
"name": "Giovanni Samaey",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "w vanroose_1",
"name": "Wim Vanroose",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
18115624 | hep-ph/0610110 | 2006-04-18 | Neutralino dark matter in the MSSM with CP violation | In the MSSM, the presence of CP phases can have a significant impact on the neutralino relic abundance. These phase effectsare on the one hand due to shifts in the masses, on the other hand due to modifications of the couplings. Typical variations in Omega h^2 solely from modifications in the couplings are of order 10%... | [
"hep-ph",
"astro-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "g bélanger_1",
"name": "Geneviève Bélanger",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "f boudjema_1",
"name": "Fawzi Boudjema",
"publication_history": null,
"h_index": null,
"num_papers":... | null |
14527203 | math/0604410 | 2006-04-18 | Discrete Component Analysis | This article presents a unified theory for analysis of components in discrete data, and compares the methods with techniques such as independent component analysis, non-negative matrix factorisation and latent Dirichlet allocation. The main families of algorithms discussed are a variational approximation, Gibbs samplin... | [
"math.ST",
"stat.TH"
] | null | [
"target.key_reference"
] | null | null | null |
8640832 | astro-ph/0604376 | 2006-04-18 | The Mexican Hat Wavelet Family. Application to point source detection in CMB maps | We propose a new detection technique in the plane based on an isotropic wavelet family. This family is naturally constructed as an extension of the Gaussian-Mexican Hat Wavelet pair and for that reason we call it the Mexican Hat Wavelet Family (MHWF). We show the performance of these wavelets when dealing with the dete... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18085831 | math/0604380 | 2006-04-18 | Numerical Homogenization of the Acoustic Wave Equations with a Continuum of Scales | In this paper, we consider numerical homogenization of acoustic wave equations with heterogeneous coefficients, namely, when the bulk modulus and the density of the medium are only bounded. We show that under a Cordes type condition the second order derivatives of the solution with respect to harmonic coordinates are $... | [
"math.NA",
"math.AP",
"math.PR"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "h owhadi_1",
"name": "Houman Owhadi",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "l zhang_187",
"name": "Lei Zhang",
"publication_history": null,
"h_index": null,
"num_papers": null,
"n... | null |
16601294 | astro-ph/0604378 | 2006-04-18 | Strange magnification pattern in the large separation lens SDSS J1004+4112 from optical to X-rays | We present simultaneous XMM-Newton UV and X-ray observations of the quadruply lensed quasar SDSS J1004+4112 (RBS 825). Simultaneously with the XMM-Newton observations we also performed integral field spectroscopy on the two closest lens images A and B using the Calar Alto PMAS spectrograph. In X-rays the widely spaced ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
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