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 ⌀ |
|---|---|---|---|---|---|---|---|---|---|---|
1210705 | 0803.0902 | 2008-03-06 | Radiative heat transfer between metallic nanoparticles | In this letter, we study the radiative heat transfer between two nanoparticles in the near field and in the far field. We find that the heat transfer is dominated by the electric dipole-dipole interaction for dielectric particles and by the magnetic dipole-dipole interaction for metallic nanoparticles. We introduce pol... | [
"physics.optics",
"physics.atm-clus",
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{
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"name": "Pierre-Olivier Chapuis",
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{
"author_id": "m laroche_1",
"name": "Marine Laroche",
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53465282 | 0803.0884 | 2008-03-06 | Condensation of Classical Nonlinear Waves in a Two-Component System | We study the formation of large-scale coherent structures (a condensate) for a system of two weakly interacting classical waves. Using the coupled defocusing nonlinear Schr\"odinger (NLS) equations as a representative model, we focus on condensation in the phase mixing regime. We employ weak turbulence theory to provid... | [
"cond-mat.stat-mech",
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{
"author_id": "h salman_2",
"name": "Hayder Salman",
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{
"author_id": "n berloff_1",
"name": "Natalia [\"G.\"] Berloff",
"publication_history": null,
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118350572 | 0803.0883 | 2008-03-06 | Herwig++ Physics and Manual | In this paper we describe Herwig++ version 2.3, a general-purpose Monte Carlo event generator for the simulation of hard lepton-lepton, lepton-hadron and hadron-hadron collisions. A number of important hard scattering processes are available, together with an interface via the Les Houches Accord to specialized matrix e... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3170311 | 0803.0780 | 2008-03-06 | Random Sierpinski network with scale-free small-world and modular structure | In this paper, we define a stochastic Sierpinski gasket, on the basis of which we construct a network called random Sierpinski network (RSN). We investigate analytically or numerically the statistical characteristics of RSN. The obtained results reveal that the properties of RSN is particularly rich, it is simultaneous... | [
"cond-mat.stat-mech"
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{
"author_id": "z zhang_150",
"name": "Zhongzhi Zhang",
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},
{
"author_id": "s zhou_53",
"name": "Shuigeng Zhou",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
267877110 | 0803.0988 | 2008-03-06 | Faster Approximate Lossy Generalized Flow via Interior Point Algorithms | We present faster approximation algorithms for generalized network flow problems. A generalized flow is one in which the flow out of an edge differs from the flow into the edge by a constant factor. We limit ourselves to the lossy case, when these factors are at most 1. Our algorithm uses a standard interior-point algo... | [
"cs.DS",
"cs.NA"
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1935 | 0803.0924 | 2008-03-06 | What Can We Learn Privately? | Learning problems form an important category of computational tasks that generalizes many of the computations researchers apply to large real-life data sets. We ask: what concept classes can be learned privately, namely, by an algorithm whose output does not depend too heavily on any one input or specific training exam... | [
"cs.LG",
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"cs.CR",
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{
"author_id": "s kasiviswanathan_1",
"name": "Shiva [\"Prasad\"] Kasiviswanathan",
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},
{
"author_id": "h lee_137",
"name": "Homin [\"K.\"] Lee",
"publication_history": null,
"h_index":... | null |
8909218 | 0803.0952 | 2008-03-06 | Femtocell Networks: A Survey | The surest way to increase the system capacity of a wireless link is by getting the transmitter and receiver closer to each other, which creates the dual benefits of higher quality links and more spatial reuse. In a network with nomadic users, this inevitably involves deploying more infrastructure, typically in the for... | [
"cs.NI"
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] | null | null | null |
2080075 | 0803.0858 | 2008-03-06 | Untangling planar graphs from a specified vertex position - Hard cases | Given a planar graph $G$, we consider drawings of $G$ in the plane where edges are represented by straight line segments (which possibly intersect). Such a drawing is specified by an injective embedding $\pi$ of the vertex set of $G$ into the plane. We prove that a wheel graph $W_n$ admits a drawing $\pi$ such that, if... | [
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"cs.CG"
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{
"author_id": "m kang_4",
"name": "Mihyun Kang",
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{
"author_id": "o pikhurko_1",
"name": "Oleg Pikhurko",
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"... | null |
15646417 | 0803.0871 | 2008-03-06 | Properties of the ultraviolet flux of type Ia supernovae: an analysis with synthetic spectra of SN 2001ep and SN 2001eh | The spectral properties of type Ia supernovae in the ultraviolet (UV) are investigated using the early-time spectra of SN 2001ep and SN 2001eh obtained using the Hubble Space Telescope (HST). A series of spectral models is computed with a Monte Carlo spectral synthesis code, and the dependence of the UV flux on the ele... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
85552817 | 0803.0984 | 2008-03-07 | Conservation and persistence of spin currents and their relation to the Lieb-Schulz-Mattis twist operators | Systems with spin-orbit coupling do not conserve "bare" spin current $\bf{j}$. A recent proposal for a conserved spin current $\bf{J}$ [J. Shi {\it et.al} Phys. Rev. Lett. {\bf 96}, 076604 (2006)] does not flow persistently in equilibrium. We suggest another conserved spin current $\bar{\bf{J}}$ that may flow persisten... | [
"cond-mat.mes-hall"
] | null | [
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{
"author_id": "n bray-ali_0",
"name": "Noah Bray-Ali",
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{
"author_id": "z nussinov_1",
"name": "Zohar Nussinov",
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"h_index": null,
"num_papers": null... | null |
1769748 | 0803.1144 | 2008-03-07 | Asymptotic Capacity and Optimal Precoding Strategy of Multi-Level Precode & Forward in Correlated Channels | We analyze a multi-level MIMO relaying system where a multiple-antenna transmitter sends data to a multipleantenna receiver through several relay levels, also equipped with multiple antennas. Assuming correlated fading in each hop, each relay receives a faded version of the signal transmitted by the previous level, per... | [
"cs.IT",
"math.IT"
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{
"author_id": "n fawaz_1",
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{
"author_id": "k zarifi_1",
"name": "Keyvan Zarifi",
"publication_history": null,
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"n... | null |
16924233 | 0803.1082 | 2008-03-07 | Rank abundance relations in evolutionary dynamics of random replicators | We present a non-equilibrium statistical mechanics description of rank abundance relations (RAR) in random community models of ecology. Specifically, we study a multi-species replicator system with quenched random interaction matrices. We here consider symmetric interactions as well as asymmetric and anti-symmetric cas... | [
"q-bio.PE"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
9651052 | 0803.1069 | 2008-03-07 | Statistical Mechanics of Interacting Run-and-Tumble Bacteria | We consider self-propelled particles undergoing run-and-tumble dynamics (as exhibited by E. coli) in one dimension. Building on previous analyses at drift-diffusion level for the one-particle density, we add both interactions and noise, enabling discussion of domain formation by "self-trapping", and other collective ph... | [
"cond-mat.stat-mech",
"cond-mat.soft",
"q-bio.OT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6156412 | 0803.1195 | 2008-03-07 | Secure Lossless Compression with Side Information | Secure data compression in the presence of side information at both a legitimate receiver and an eavesdropper is explored. A noise-free, limited rate link between the source and the receiver, whose output can be perfectly observed by the eavesdropper, is assumed. As opposed to the wiretap channel model, in which secure... | [
"cs.IT",
"math.IT"
] | null | [
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{
"author_id": "d gündüz_1",
"name": "Deniz Gündüz",
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{
"author_id": "e erkip_1",
"name": "Elza Erkip",
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"h_index": null,
"num_papers": null,
"num... | null |
9124971 | 0803.1181 | 2008-03-07 | Luminosity Indicators in the Ultraviolet Spectra of Type Ia Supernovae | We present a complete sample of International Ultraviolet Explorer and Hubble Space Telescope ultraviolet (UV) spectra of Type Ia supernovae (SNe Ia) through 2004. We measure the equivalent width (EW) and blueshifted velocity of the minimum of the one strong UV feature, Fe II 3250. We also quantify the slope of the nea... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1020580 | 0803.1202 | 2008-03-08 | Distributed Subgradient Methods and Quantization Effects | We consider a convex unconstrained optimization problem that arises in a network of agents whose goal is to cooperatively optimize the sum of the individual agent objective functions through local computations and communications. For this problem, we use averaging algorithms to develop distributed subgradient methods t... | [
"math.OC"
] | null | [
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{
"author_id": "a nedić_1",
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{
"author_id": "a olshevsky_1",
"name": "Alexander Olshevsky",
"publication_history": null,
"h_index": null,
"num_papers": n... | null |
10278587 | 0803.1235 | 2008-03-08 | A new class of transport distances | We introduce a new class of distances between nonnegative Radon measures in Euclidean spaces. They are modeled on the dynamical characterization of the Kantorovich-Rubinstein-Wasserstein distances proposed by Benamou-Brenier and provide a wide family interpolating between the Wasserstein and the homogeneous (dual) Sobo... | [
"math.FA",
"math.AP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
117118985 | 0803.1319 | 2008-03-09 | The repulsive force in continous space models of pedestrian movement | Pedestrian movements can be modeled at different degrees of detail. While flux models (Predeshensky/Milinski 1971) and cellular automata models (Schreckenberg 2002) give answers to some important questions and are fast and easy to use, continuous space modeling has the potential of full flexibility in geometry and real... | [
"physics.soc-ph",
"physics.comp-ph"
] | null | [
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{
"author_id": "b steffen_1",
"name": "Bernhard Steffen",
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},
{
"author_id": "a seyfried_1",
"name": "Armin Seyfried",
"publication_history": null,
"h_index": null,
"num_papers": nu... | null |
2134938 | 0803.1323 | 2008-03-09 | A Game Theoretic Framework for Decentralized Power Allocation in IDMA Systems | In this contribution we present a decentralized power allocation algorithm for the uplink interleave division multiple access (IDMA) channel. Within the proposed optimal strategy for power allocation, each user aims at selfishly maximizing its own utility function. An iterative chip by chip (CBC) decoder at the receive... | [
"cs.IT",
"cs.GT",
"math.IT"
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{
"author_id": "s perlaza_1",
"name": "Samir [\"Medina\"] Perlaza",
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{
"author_id": "l cottatellucci_1",
"name": "Laura Cottatellucci",
"publication_history": null,
"h_index": null,
... | null |
57361 | 0803.1454 | 2008-03-10 | Tight Bounds on the Capacity of Binary Input random CDMA Systems | We consider multiple access communication on a binary input additive white Gaussian noise channel using randomly spread code division. For a general class of symmetric distributions for spreading coefficients, in the limit of a large number of users, we prove an upper bound on the capacity, which matches a formula that... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14357884 | 0803.1460 | 2008-03-10 | Scaled solar tracks and isochrones in a large region of the Z-Y plane I. From the ZAMS to the TP-AGB end for 0.15 - 2.5 Mo stars | Tracks and isochrones have been computed in the range of initial masses 0.15 - 20 Mo for a grid of 39 chemical compositions with the metal content Z between 0.0001 and 0.070, and helium content Y between 0.23 and 0.46. The Padova stellar evolution code has been implemented with updated physics. New synthetic TP-AGB mod... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16815655 | 0803.1478 | 2008-03-10 | Measurement-based quantum computer in the gapped ground state of a two-body Hamiltonian | We propose a scheme for a ground-code measurement-based quantum computer, which enjoys two major advantages. First, every logical qubit is encoded in the gapped degenerate ground subspace of a spin-1 chain with nearest-neighbor two-body interactions, so that it equips built-in robustness against noise. Second, computat... | [
"quant-ph",
"cond-mat.other"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
122851920 | 0803.1427 | 2008-03-10 | Exact Results on Dynamical Decoupling by $\pi$-Pulses in Quantum Information Processes | The aim of dynamical decoupling consists in the suppression of decoherence by appropriate coherent control of a quantum register. Effectively, the interaction with the environment is reduced. In particular, a sequence of $\pi$ pulses is considered. Here we present exact results on the suppression of the coupling of a q... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118376008 | 0803.1463 | 2008-03-10 | Preparation of Entangled States by Quantum Markov Processes | We investigate the possibility of using a dissipative process to prepare a quantum system in a desired state. We derive for any multipartite pure state a dissipative process for which this state is the unique stationary state and solve the corresponding master equation analytically. For certain states, like the Cluster... | [
"quant-ph",
"cond-mat.other"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18524675 | 0803.1638 | 2008-03-11 | Whole Earth Telescope observations of the hot helium atmosphere pulsating white dwarf EC 20058-5234 | We present the analysis of a total of 177h of high-quality optical time-series photometry of the helium atmosphere pulsating white dwarf (DBV) EC 20058-5234. The bulk of the observations (135h) were obtained during a WET campaign (XCOV15) in July 1997 that featured coordinated observing from 4 southern observatory site... | [
"astro-ph"
] | null | [
"target.author.publication_history"
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{
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{
"corpus_id": "10376400",
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{
"author_id": "d sullivan_4",
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},
{
"author_id": "t metcalfe_1",
"name": "Travis [\"S.\"] Metcalfe",
"publication_history": null,
"h_index": null,
... | null |
119260105 | 0803.1578 | 2008-03-11 | Metastable anisotropy orientation of nematic quantum Hall fluids | We analyze the experimental observation of metastable anisotropy resistance orientation at half filled quantum Hall fluids by means of a model of a quantum nematic liquid in an explicit symmetry breaking potential. We interpret the observed ``rotation'' of the anisotropy axis as a process of nucleation of nematic domai... | [
"cond-mat.mes-hall",
"cond-mat.str-el"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "d barci_1",
"name": "Daniel [\"G.\"] Barci",
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{
"author_id": "z arenas_1",
"name": "Zochil [\"González\"] Arenas",
"publication_history": null,
"h_index": null,
"... | null |
12546180 | 0803.1610 | 2008-03-11 | A Queueing System for Modeling a File Sharing Principle | We investigate in this paper the performance of a simple file sharing principle. For this purpose, we consider a system composed of N peers becoming active at exponential random times; the system is initiated with only one server offering the desired file and the other peers after becoming active try to download it. On... | [
"cs.NI"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15983454 | 0803.1540 | 2008-03-11 | Nonholonomic constraints in $k$-symplectic Classical Field Theories | A $k$-symplectic framework for classical field theories subject to nonholonomic constraints is presented. If the constrained problem is regular one can construct a projection operator such that the solutions of the constrained problem are obtained by projecting the solutions of the free problem. Symmetries for the nonh... | [
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2515606 | 0803.1514 | 2008-03-11 | Search for $h_f\to\gamma\gamma$ with the D0 detector at $\sqrt{s}=1.96$ TeV | We report the results of a search for a narrow resonance decaying into two photons in 1.1 fb$^{-1}$ of data collected by the D0 experiment at the Fermilab Tevatron Collider during the period 2002-2006. We find no evidence for such a resonance and set a lower limit on the mass of a fermiophobic Higgs boson of $m_{h_f}>1... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "v abazov_1",
"name": "Victor [\"Mukhamedovich\"] Abazov",
"publication_history": null,
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{
"author_id": "b abbott_2",
"name": "B. Abbott",
"publication_history": null,
"h_index": null,
"num_pa... | null |
17101632 | 0803.1686 | 2008-03-11 | Analytical Solution of the Voter Model on Disordered Networks | We present a mathematical description of the voter model dynamics on heterogeneous networks. When the average degree of the graph is $\mu \leq 2$ the system reaches complete order exponentially fast. For $\mu >2$, a finite system falls, before it fully orders, in a quasistationary state in which the average density of ... | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8310180 | 0803.1555 | 2008-03-11 | Privacy Preserving ID3 over Horizontally, Vertically and Grid Partitioned Data | We consider privacy preserving decision tree induction via ID3 in the case where the training data is horizontally or vertically distributed. Furthermore, we consider the same problem in the case where the data is both horizontally and vertically distributed, a situation we refer to as grid partitioned data. We give an... | [
"cs.DB",
"cs.LG"
] | null | [
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] | [] | [
{
"author_id": "b kuijpers_0",
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},
{
"author_id": "v lemmens_0",
"name": "Vanessa Lemmens",
"publication_history": null,
"h_index": null,
"num_papers": null... | null |
1164651 | 0803.1733 | 2008-03-12 | Degrees of Freedom of the MIMO Interference Channel with Cooperation and Cognition | In this paper, we explore the benefits, in the sense of total (sum rate) degrees of freedom (DOF), of cooperation and cognitive message sharing for a two-user multiple-input-multiple-output (MIMO) Gaussian interference channel with $M_1$, $M_2$ antennas at transmitters and $N_1$, $N_2$ antennas at receivers. For the ca... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1825466 | 0803.1708 | 2008-03-12 | Random fields of multivariate test statistics, with applications to shape analysis | Our data are random fields of multivariate Gaussian observations, and we fit a multivariate linear model with common design matrix at each point. We are interested in detecting those points where some of the coefficients are nonzero using classical multivariate statistics evaluated at each point. The problem is to find... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6808152 | 0803.1814 | 2008-03-12 | Component separation with flexible models. Application to the separation of astrophysical emissions | This paper offers a new point of view on component separation, based on a model of additive components which enjoys a much greater flexibility than more traditional linear component models. This flexibility is needed to process the complex full-sky observations of the CMB expected from the Planck space mission, for whi... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15326656 | 0803.1727 | 2008-03-12 | Diffusion or bounce back in relativistic heavy-ion collisions? | The time evolution of pseudorapidity distributions of produced charged hadrons in d+Au collisions at sqrt(s_NN) = 200 GeV is investigated. Results of a nonequilibrium-statistical Relativistic Diffusion Model with three sources are compared with a macroscopic "bounce back" model that does not allow for statistical equil... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
11883325 | 0803.1774 | 2008-03-12 | Disorder-induced trapping versus Anderson localization in Bose-Einstein condensates expanding in disordered potentials | We theoretically investigate the localization of an expanding Bose-Einstein condensate with repulsive atom-atom interactions in a disordered potential. We focus on the regime where the initial inter-atomic interactions dominate over the kinetic energy and the disorder. At equilibrium in a trapping potential and for sma... | [
"cond-mat.other",
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7164553 | 0803.1877 | 2008-03-12 | The numeraire portfolio in semimartingale financial models | We study the existence of the numeraire portfolio under predictable convex constraints in a general semimartingale model of a financial market. The numeraire portfolio generates a wealth process, with respect to which the relative wealth processes of all other portfolios are supermartingales. Necessary and sufficient c... | [
"q-fin.PR",
"math.OC",
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14464908 | 0803.1769 | 2008-03-12 | Stock price jumps: news and volume play a minor role | In order to understand the origin of stock price jumps, we cross-correlate high-frequency time series of stock returns with different news feeds. We find that neither idiosyncratic news nor market wide news can explain the frequency and amplitude of price jumps. We find that the volatility patterns around jumps and aro... | [
"q-fin.ST",
"physics.data-an",
"physics.soc-ph"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "a joulin_2",
"name": "Armand Joulin",
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{
"author_id": "a lefèvre_0",
"name": "Augustin Lefèvre",
"publication_history": null,
"h_index": null,
"num_papers": null,... | null |
19269998 | 0803.1709 | 2008-03-12 | Rodeo: Sparse, greedy nonparametric regression | We present a greedy method for simultaneously performing local bandwidth selection and variable selection in nonparametric regression. The method starts with a local linear estimator with large bandwidths, and incrementally decreases the bandwidth of variables for which the gradient of the estimator with respect to ban... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
11504164 | 0803.1845 | 2008-03-12 | Compressed Sensing with Cross Validation | Compressed Sensing decoding algorithms can efficiently recover an N dimensional real-valued vector x to within a factor of its best k-term approximation by taking m = 2klog(N/k) measurements y = Phi x. If the sparsity or approximate sparsity level of x were known, then this theoretical guarantee would imply quality ass... | [
"math.NA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2634835 | 0803.1718 | 2008-03-12 | Approximation and learning by greedy algorithms | We consider the problem of approximating a given element $f$ from a Hilbert space $\mathcal{H}$ by means of greedy algorithms and the application of such procedures to the regression problem in statistical learning theory. We improve on the existing theory of convergence rates for both the orthogonal greedy algorithm a... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14357818 | 0803.1707 | 2008-03-12 | Zero of the discrete beta function in SU(3) lattice gauge theory with color sextet fermions | We have carried out a Schrodinger functional (SF) calculation for the SU(3) lattice gauge theory with two flavors of Wilson fermions in the sextet representation of the gauge group. We find that the discrete beta function, which governs the change in the running coupling under a discrete change of spatial scale, change... | [
"hep-lat",
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15654182 | 0803.1931 | 2008-03-13 | Variable selection in semiparametric regression modeling | In this paper, we are concerned with how to select significant variables in semiparametric modeling. Variable selection for semiparametric regression models consists of two components: model selection for nonparametric components and selection of significant variables for the parametric portion. Thus, semiparametric va... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6117156 | 0803.1909 | 2008-03-13 | Regularized estimation of large covariance matrices | This paper considers estimating a covariance matrix of $p$ variables from $n$ observations by either banding or tapering the sample covariance matrix, or estimating a banded version of the inverse of the covariance. We show that these estimates are consistent in the operator norm as long as $(\log p)/n\to0$, and obtain... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
16147575 | 0803.1932 | 2008-03-13 | Cascading Dynamics in Modular Networks | In this paper we study a simple cascading process in a structured heterogeneous population, namely, a network composed of two loosely coupled communities. We demonstrate that under certain conditions the cascading dynamics in such a network has a two--tiered structure that characterizes activity spreading at different ... | [
"cond-mat.stat-mech",
"cond-mat.dis-nn",
"physics.soc-ph"
] | null | [
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] | [] | [
{
"author_id": "a galstyan_1",
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{
"author_id": "p cohen_1",
"name": "Paul [\"R.\"] Cohen",
"publication_history": null,
"h_index": null,
"num_pape... | null |
2211 | 0803.1992 | 2008-03-13 | Achievable Rates and Optimal Resource Allocation for Imperfectly-Known Fading Relay Channels | In this paper, achievable rates and optimal resource allocation strategies for imperfectly-known fading relay channels are studied. It is assumed that communication starts with the network training phase in which the receivers estimate the fading coefficients of their respective channels. In the data transmission phase... | [
"cs.IT",
"math.IT"
] | null | [
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] | [] | [
{
"author_id": "j zhang_255",
"name": "Junwei Zhang",
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{
"author_id": "m gursoy_2",
"name": "Mustafa [\"Cenk\"] Gursoy",
"publication_history": null,
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"num_papers... | null |
18591098 | 0803.1961 | 2008-03-13 | Generalizing Simes' test and Hochberg's stepup procedure | In a multiple testing problem where one is willing to tolerate a few false rejections, procedure controlling the familywise error rate (FWER) can potentially be improved in terms of its ability to detect false null hypotheses by generalizing it to control the $k$-FWER, the probability of falsely rejecting at least $k$ ... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15503288 | 0803.1922 | 2008-03-13 | Smooth backfitting in generalized additive models | Generalized additive models have been popular among statisticians and data analysts in multivariate nonparametric regression with non-Gaussian responses including binary and count data. In this paper, a new likelihood approach for fitting generalized additive models is proposed. It aims to maximize a smoothed likelihoo... | [
"math.ST",
"stat.TH"
] | null | [
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] | [
{
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},
{
"corpus_id": "14737482",
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] | [
{
"author_id": "k yu_16",
"name": "Kyusang Yu",
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{
"author_id": "b park_1",
"name": "Byeong [\"Uk\"] Park",
"publication_history": null,
"h_index": null,
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... | null |
4389416 | 0803.2021 | 2008-03-13 | Solid state quantum memory using the 31P nuclear spin | The transfer of information between different physical forms is a central theme in communication and computation, for example between processing entities and memory. Nowhere is this more crucial than in quantum computation, where great effort must be taken to protect the integrity of a fragile quantum bit. Nuclear spin... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13099404 | 0803.1990 | 2008-03-13 | Subsampling Algorithms for Semidefinite Programming | We derive a stochastic gradient algorithm for semidefinite optimization using randomization techniques. The algorithm uses subsampling to reduce the computational cost of each iteration and the subsampling ratio explicitly controls granularity, i.e. the tradeoff between cost per iteration and total number of iterations... | [
"math.OC"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
12232129 | 0803.2002 | 2008-03-13 | Negative differential mobility of weakly driven particles in models of glass formers | We study the response of probe particles to weak constant driving in kinetically constrained models of glassy systems, and show that the probe's response can be non-monotonic and give rise to negative differential mobility: increasing the applied force can reduce the probe's drift velocity in the force direction. Oth e... | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "r jack_1",
"name": "Robert [\"L.\"] Jack",
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},
{
"author_id": "d kelsey_2",
"name": "David Kelsey",
"publication_history": null,
"h_index": null,
"num_papers": null,... | null |
683553 | 0803.1893 | 2008-03-13 | Physical Properties of Tidal Features in Interacting Disk Galaxies | We explore tidal interactions of a galactic disk with Toomre parameter Q ~ 2 embedded in rigid halo/bulge with a point mass companion moving in a prescribed parabolic orbit. Tidal interactions produce well-defined spiral arms and extended tidal features such as bridge and tail that are all transient, but distinct in na... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
34793659 | 0803.2179 | 2008-03-14 | Heat Conduction Process on Community Networks as a Recommendation Model | Using heat conduction mechanism on a social network we develop a systematic method to predict missing values as recommendations. This method can treat very large matrices that are typical of internet communities. In particular, with an innovative, exact formulation that accommodates arbitrary boundary condition, our me... | [
"physics.soc-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5363573 | 0803.2122 | 2008-03-14 | Algorithmic barriers from phase transitions | For many random Constraint Satisfaction Problems, by now, we have asymptotically tight estimates of the largest constraint density for which they have solutions. At the same time, all known polynomial-time algorithms for many of these problems already completely fail to find solutions at much smaller densities. For exa... | [
"math.CO",
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18510620 | 0803.2111 | 2008-03-14 | Asymptotic properties of false discovery rate controlling procedures under independence | We investigate the performance of a family of multiple comparison procedures for strong control of the False Discovery Rate ($\mathsf{FDR}$). The $\mathsf{FDR}$ is the expected False Discovery Proportion ($\mathsf{FDP}$), that is, the expected fraction of false rejections among all rejected hypotheses. A number of refi... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14237817 | 0803.2255 | 2008-03-14 | Might Carbon-Atmosphere White Dwarfs Harbour a New Type of Pulsating Star? | In the light of the recent and unexpected discovery of a brand new type of white dwarfs, those with carbon-dominated atmospheres, we examine the asteroseismological potential of such stars. The motivation behind this is based on the observation that past models of carbon-atmosphere white dwarfs have partially ionized o... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3204227 | 0803.2093 | 2008-03-14 | GraphStream: A Tool for bridging the gap between Complex Systems and Dynamic Graphs | The notion of complex systems is common to many domains, from Biology to Economy, Computer Science, Physics, etc. Often, these systems are made of sets of entities moving in an evolving environment. One of their major characteristics is the emergence of some global properties stemmed from local interactions between the... | [
"cs.MS"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7117715 | 0803.2189 | 2008-03-14 | Robust dynamic classes revealed by measuring the response function of a social system | We study the relaxation response of a social system after endogenous and exogenous bursts of activity using the time-series of daily views for nearly 5 million videos on YouTube. We find that most activity can be described accurately as a Poisson process. However, we also find hundreds of thousands of examples in which... | [
"physics.soc-ph",
"physics.data-an",
"physics.pop-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14792774 | 0803.2095 | 2008-03-14 | Properties of higher criticism under strong dependence | The problem of signal detection using sparse, faint information is closely related to a variety of contemporary statistical problems, including the control of false-discovery rate, and classification using very high-dimensional data. Each problem can be solved by conducting a large number of simultaneous hypothesis tes... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16591522 | 0803.2248 | 2008-03-14 | Perturbation of multiparameter non-self-adjoint boundary eigenvalue problems for operator matrices | We consider two-point non-self-adjoint boundary eigenvalue problems for linear matrix differential operators. The coefficient matrices in the differential expressions and the matrix boundary conditions are assumed to depend analytically on the complex spectral parameter and on the vector of real physical parameters. We... | [
"math-ph",
"astro-ph",
"math.MP",
"physics.flu-dyn",
"physics.plasm-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
757 | 0803.2220 | 2008-03-14 | The Anatomy of Mitos Web Search Engine | Engineering a Web search engine offering effective and efficient information retrieval is a challenging task. This document presents our experiences from designing and developing a Web search engine offering a wide spectrum of functionalities and we report some interesting experimental results. A rather peculiar design... | [
"cs.IR"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "p papadakos_1",
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},
{
"author_id": "g vasiliadis_0",
"name": "Giorgos Vasiliadis",
"publication_history": null,
"h_index": null,
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14719120 | 0803.2257 | 2008-03-14 | High-Resolution Radar via Compressed Sensing | A stylized compressed sensing radar is proposed in which the time-frequency plane is discretized into an N by N grid. Assuming the number of targets K is small (i.e., K much less than N^2), then we can transmit a sufficiently "incoherent" pulse and employ the techniques of compressed sensing to reconstruct the target s... | [
"math.NA",
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history",
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] | [] | [
{
"author_id": "m herman_1",
"name": "Matthew [\"A.\"] Herman",
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},
{
"author_id": "t strohmer_1",
"name": "Thomas Strohmer",
"publication_history": null,
"h_index": null,
"num_pape... | null |
17395864 | 0803.2171 | 2008-03-14 | On the asymptotic joint distribution of sample space--time covariance estimators | We study the asymptotic joint distribution of sample space--time covariance estimators of strictly stationary random fields. We do this without any marginal or joint distributional assumptions other than mild moment and mixing conditions. We consider several situations depending on whether the observations are regularl... | [
"math.ST",
"stat.TH"
] | null | [
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] | [] | [
{
"author_id": "b li_233",
"name": "Bo Li",
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{
"author_id": "m genton_1",
"name": "Marc [\"G.\"] Genton",
"publication_history": null,
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"n... | null |
12179313 | 0803.2165 | 2008-03-14 | Simulating full-sky interferometric observations | Aperture array interferometers, such as that proposed for the Square Kilometre Array (SKA), will see the entire sky, hence the standard approach to simulating visibilities will not be applicable since it relies on a tangent plane approximation that is valid only for small fields of view. We derive interferometric formu... | [
"astro-ph"
] | null | [
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] | [
{
"corpus_id": "53633397",
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] | [
{
"author_id": "j mcewen_1",
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},
{
"author_id": "a scaife_1",
"name": "Anna [\"M.\",\"M.\"] Scaife",
"publication_history": null,
"h_index": null,
"... | null |
2580856 | 0803.2315 | 2008-03-15 | Science mapping with asymmetrical paradigmatic proximity | We propose a series of methods to represent the evolution of a field of science at different levels: namely micro, meso and macro levels. We use a previously introduced asymmetric measure of paradigmatic proximity between terms that enables us to extract structure from a large publications database. We apply our set of... | [
"cs.OH"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j cointet_1",
"name": "Jean-Philippe Cointet",
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{
"author_id": "d chavalarias_1",
"name": "David Chavalarias",
"publication_history": null,
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1642637 | 0803.2392 | 2008-03-16 | CoSaMP: Iterative signal recovery from incomplete and inaccurate samples | Compressive sampling offers a new paradigm for acquiring signals that are compressible with respect to an orthonormal basis. The major algorithmic challenge in compressive sampling is to approximate a compressible signal from noisy samples. This paper describes a new iterative recovery algorithm called CoSaMP that deli... | [
"math.NA",
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
3418852 | 0803.2337 | 2008-03-16 | Data Fusion Trees for Detection: Does Architecture Matter? | We consider the problem of decentralized detection in a network consisting of a large number of nodes arranged as a tree of bounded height, under the assumption of conditionally independent, identically distributed observations. We characterize the optimal error exponent under a Neyman-Pearson formulation. We show that... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "w tay_1",
"name": "Wee Peng Tay",
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},
{
"author_id": "j tsitsiklis_1",
"name": "John [\"N.\"] Tsitsiklis",
"publication_history": null,
"h_index": null,
"num_papers"... | null |
16094667 | 0803.2375 | 2008-03-16 | Unavoidable patterns | Let \mathcal{F}_k denote the family of 2-edge-colored complete graphs on 2k vertices in which one color forms either a clique of order k or two disjoint cliques of order k. Bollob\'as conjectured that for every \epsilon>0 and positive integer k there is an n(k,\epsilon) such that every 2-edge-coloring of the complete g... | [
"math.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2111942 | 0803.2331 | 2008-03-16 | Consistent Computation of First- and Second-Order Differential Quantities for Surface Meshes | Differential quantities, including normals, curvatures, principal directions, and associated matrices, play a fundamental role in geometric processing and physics-based modeling. Computing these differential quantities consistently on surface meshes is important and challenging, and some existing methods often produce ... | [
"math.NA",
"math.DG"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "x jiao_5",
"name": "Xiangmin Jiao",
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},
{
"author_id": "h zha_1",
"name": "Hongyuan Zha",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_... | null |
115165356 | 0803.2369 | 2008-03-16 | Cl\^oture int\'egrale des id\'eaux et \'equisingularit\'e | This text has two parts; the first is the essentially unmodified text of the 1973-74 seminar of M. Lejeune-Jalabert and B. Teissier on integral dependence in complex analytic geometry with J-J. Risler's appendix on the Lojasiewicz exponents in the real analytic framework. The second part consists of seven complements w... | [
"math.CV",
"math.AC",
"math.AG"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1611672 | 0803.2360 | 2008-03-16 | Dark matter direct detection rate in a generic model with micrOMEGAs2.2 | We present a new module of the micrOMEGAs package for the calculation of WIMP-nuclei elastic scattering cross sections relevant for the direct detection of dark matter through its interaction with nuclei in a large detector. With this new module, the computation of the direct detection rate is performed automatically f... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
54171029 | 0803.2332 | 2008-03-17 | Partial order from disorder in a classical pyrochlore antiferromagnet | We investigate theoretically the phase diagram of a classical Heisenberg antiferromagnet on the pyrochlore lattice perturbed by a weak second-neighbor interaction J_2. The huge ground state degeneracy of the nearest-neighbor Heisenberg spins is lifted by J_2 and a magnetically ordered ground state sets in upon approach... | [
"cond-mat.str-el",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "g chern_1",
"name": "Gia-Wei Chern",
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},
{
"author_id": "r moessner_1",
"name": "Roderich Moessner",
"publication_history": null,
"h_index": null,
"num_papers": null... | null |
16084625 | 0803.2234 | 2008-03-17 | Lensing Probabilities for Spectroscopically Selected Galaxy-Galaxy Strong Lenses | Spectroscopic galaxy-galaxy lens searches are presently the most prolific method of identifying strong lens systems in large data sets. We study the probabilities associated with these lens searches, namely the probability of identifying a candidate with rogue [OII] emission lines in a galaxy's spectrum, and the probab... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
116493787 | 0803.2534 | 2008-03-17 | Measurement of the Mass and Width of the W Boson in e+e- Collisions at sqrt{s} = 161 - 209 GeV | A measurement of the W boson mass and width has been performed by the DELPHI collaboration using the data collected during the full LEP2 programme (1996-2000). The data sample has an integrated luminosity of 660 pb^-1 and was collected over a range of centre-of-mass energies from 161 to 209 GeV. Results are obtained by... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j abdallah_1",
"name": "Jalal Abdallah",
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},
{
"author_id": "p abreu_1",
"name": "Pedro Abreu",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
3954910 | 0803.2570 | 2008-03-17 | Unequal Error Protection: An Information Theoretic Perspective | An information theoretic framework for unequal error protection is developed in terms of the exponential error bounds. The fundamental difference between the bit-wise and message-wise unequal error protection (UEP) is demonstrated, for fixed length block codes on DMCs without feedback. Effect of feedback is investigate... | [
"cs.IT",
"cs.DM",
"math.CO",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3085486 | 0803.2526 | 2008-03-17 | Local Fluid Dynamical Entropy from Gravity | Spacetime geometries dual to arbitrary fluid flows in strongly coupled N=4 super Yang Mills theory have recently been constructed perturbatively in the long wavelength limit. We demonstrate that these geometries all have regular event horizons, and determine the location of the horizon order by order in a boundary deri... | [
"hep-th",
"gr-qc"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
115158472 | 0803.2364 | 2008-03-17 | Some operator monotone functions | We prove that the functions t -> (t^q-1)(t^p-1)^{-1} are operator monotone in the positive half-axis for 0 < p < q < 1, and we calculate the two associated canonical representation formulae. The result is used to find new monotone metrics (quantum Fisher information) on the state space of quantum systems. | [
"math.OA",
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17400977 | 0803.2495 | 2008-03-17 | Adversarial Scheduling Analysis of Game Theoretic Models of Norm Diffusion | In (Istrate, Marathe, Ravi SODA 2001) we advocated the investigation of robustness of results in the theory of learning in games under adversarial scheduling models. We provide evidence that such an analysis is feasible and can lead to nontrivial results by investigating, in an adversarial scheduling setting, Peyton Yo... | [
"cs.GT",
"cs.DM",
"math.CO",
"math.PR"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "g istrate_1",
"name": "Gabriel Istrate",
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},
{
"author_id": "m marathe_1",
"name": "Madhav [\"V.\"] Marathe",
"publication_history": null,
"h_index": null,
"num_pape... | null |
5609432 | 0803.2427 | 2008-03-17 | A General Rate Duality of the MIMO Multiple Access Channel and the MIMO Broadcast Channel | We present a general rate duality between the multiple access channel (MAC) and the broadcast channel (BC) which is applicable to systems with and without nonlinear interference cancellation. Different to the state-of-the-art rate duality with interference subtraction from Vishwanath et al., the proposed duality is fil... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "r hunger_1",
"name": "Raphael Hunger",
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},
{
"author_id": "m joham_1",
"name": "Michael Joham",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
6948626 | 0803.2623 | 2008-03-18 | A proximal iteration for deconvolving Poisson noisy images using sparse representations | We propose an image deconvolution algorithm when the data is contaminated by Poisson noise. The image to restore is assumed to be sparsely represented in a dictionary of waveforms such as the wavelet or curvelet transforms. Our key contributions are: First, we handle the Poisson noise properly by using the Anscombe var... | [
"stat.AP",
"math.OC",
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history",
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] | [] | [
{
"author_id": "f dupé_1",
"name": "François-Xavier Dupé",
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},
{
"author_id": "m fadili_1",
"name": "Mohamed-Jalal Fadili",
"publication_history": null,
"h_index": null,
"num_papers... | null |
8360787 | 0803.2622 | 2008-03-18 | Deconvolution of confocal microscopy images using proximal iteration and sparse representations | We propose a deconvolution algorithm for images blurred and degraded by a Poisson noise. The algorithm uses a fast proximal backward-forward splitting iteration. This iteration minimizes an energy which combines a \textit{non-linear} data fidelity term, adapted to Poisson noise, and a non-smooth sparsity-promoting regu... | [
"stat.AP",
"math.OC",
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "f dupé_1",
"name": "François-Xavier Dupé",
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{
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"name": "Mohamed-Jalal Fadili",
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"num_papers... | null |
14340232 | 0803.2584 | 2008-03-18 | Neutralino relic density from ILC measurements in the CPV MSSM | We discuss ILC measurements for a specific MSSM scenario with CP phases, where the lightest neutralino is a good candidate for dark matter, annihilating efficiently through t-channel exchange of light staus. These prospective (CP-even) ILC measurements are then used to fit the underlying model parameters. A collider pr... | [
"hep-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "g bélanger_1",
"name": "Geneviève Bélanger",
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},
{
"author_id": "o kittel_1",
"name": "Olaf Kittel",
"publication_history": null,
"h_index": null,
"num_papers": null... | null |
39844896 | 0803.2548 | 2008-03-18 | Local resolution-limit-free Potts model for community detection | We report on an exceptionally accurate spin-glass-type Potts model for community detection. With a simple algorithm, we find that our approach is at least as accurate as the best currently available algorithms and robust to the effects of noise. It is also competitive with the best currently available algorithms in ter... | [
"physics.soc-ph",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
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{
"author_id": "p ronhovde_1",
"name": "Peter Ronhovde",
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"num_citations": null
},
{
"author_id": "z nussinov_1",
"name": "Zohar Nussinov",
"publication_history": null,
"h_index": null,
"num_papers": nul... | null |
264876595 | 0803.2646 | 2008-03-18 | SDSS J142625.71+575218.3, a Prototype for a New Class of Variable White Dwarf | We present the results of a search for pulsations in six of the recently discovered carbon-atmosphere white dwarf ("hot DQ") stars. Based on our theoretical calculations, the star SDSS J142625.71+575218.3 is the only object expected to pulsate. We observe this star to be variable, with significant power at 417.7 s and ... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "15292715",
"num_citations": null
}
] | [
{
"author_id": "m montgomery_2",
"name": "Michael [\"H.\"] Montgomery",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "k williams_5",
"name": "Kurtis [\"A.\"] Williams",
"publication_history": null,
"h_index": nu... | null |
8341739 | 0803.2706 | 2008-03-18 | Toward a halo mass function for precision cosmology: the limits of universality | We measure the mass function of dark matter halos in a large set of collisionless cosmological simulations of flat LCDM cosmology and investigate its evolution at z<~2. Halos are identified as isolated density peaks, and their masses are measured within a series of radii enclosing specific overdensities. We argue that ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6717316 | 0803.2580 | 2008-03-18 | Gallager error correcting codes for binary asymmetric channels | We derive critical noise levels for Gallager codes on asymmetric channels as a function of the input bias and the temperature. Using a statistical mechanics approach we study the space of codewords and the entropy in the various decoding regimes. We further discuss the relation of the convergence of the message passing... | [
"cond-mat.dis-nn"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2372093 | 0803.2629 | 2008-03-18 | Cyclic p-roots of prime lengths p and related complex Hadamard matrices | In this paper it is proved, that for every prime number p, the set of cyclic p-roots in C^p is finite. Moreover the number of cyclic p-roots counted with multiplicity is equal to (2p-2)!/(p-1)!^2. In particular, the number of complex circulant Hadamard matrices of size p, with diagonal entries equal to 1, is less or eq... | [
"math.AC",
"math.NT",
"math.OA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
40980338 | 0803.2686 | 2008-03-18 | Simulation of Many-Body Hamiltonians using Perturbation Theory with Bounded-Strength Interactions | We show how to map a given n-qubit target Hamiltonian with bounded-strength k-body interactions onto a simulator Hamiltonian with two-body interactions, such that the ground-state energy of the target and the simulator Hamiltonians are the same up to an extensive error O(epsilon n) for arbitrary small epsilon. The stre... | [
"quant-ph",
"cond-mat.other",
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17224653 | 0803.2664 | 2008-03-18 | Inflation with Non-Minimal Coupling: Metric vs. Palatini Formulations | We analyze non-minimally coupled scalar field theories in metric (second-order) and Palatini (first-order) formalisms in a comparative fashion. After contrasting them in a general setup, we specialize to inflation and find that the two formalisms differ in their predictions for various cosmological parameters. The main... | [
"hep-ph",
"astro-ph",
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18446285 | 0803.2770 | 2008-03-19 | Min- and Max- Relative Entropies and a New Entanglement Monotone | Two new relative entropy quantities, called the min- and max-relative entropies, are introduced and their properties are investigated. The well-known min- and max- entropies, introduced by Renner, are obtained from these. We define a new entanglement monotone, which we refer to as the max-relative entropy of entangleme... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14307628 | 0803.2839 | 2008-03-19 | Aggregation by exponential weighting, sharp PAC-Bayesian bounds and sparsity | We study the problem of aggregation under the squared loss in the model of regression with deterministic design. We obtain sharp PAC-Bayesian risk bounds for aggregates defined via exponential weights, under general assumptions on the distribution of errors and on the functions to aggregate. We then apply these results... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "7048603",
"num_citations": null
},
{
"corpus_id": "14772932",
"num_citations": null
},
{
"corpus_id": "88518042",
"num_citations": null
},
{
"corpus_id": "14243118",
"num_citations": null
},
{
"corpus_id": "187614",
"num_citations": null
}
] | [
{
"author_id": "a dalalyan_1",
"name": "Arnak [\"S.\"] Dalalyan",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "a tsybakov_1",
"name": "A. Tsybakov",
"publication_history": null,
"h_index": null,
"num_papers... | null |
29863672 | 0803.2779 | 2008-03-19 | Measurement of the ttbar production cross section in ppbar collisions at sqrt{s} = 1.96 TeV | We measure the ttbar production cross section in ppbar collisions at sqrt{s}=1.96 TeV in the lepton+jets channel. Two complementary methods discriminate between signal and background, b-tagging and a kinematic likelihood discriminant. Based on 0.9 fb-1 of data collected by the D0 detector at the Fermilab Tevatron Colli... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "v abazov_1",
"name": "Victor [\"Mukhamedovich\"] Abazov",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "b abbott_2",
"name": "B. Abbott",
"publication_history": null,
"h_index": null,
"num_pa... | null |
118442994 | 0803.2829 | 2008-03-19 | A gauge theory analog of some "stringy" D-instantons | We argue that one can see a specific class of "stringy" D-instantons in the underlying 4D gauge theory as the UV completion of an ordinary gauge instanton of a completely broken gauge group corresponding to the "empty" cycle the D-instanton is located on. In this sense, the D-instanton induced non-perturbative superpot... | [
"hep-th"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "d krefl_1",
"name": "Daniel Krefl",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
17787058 | 0803.3047 | 2008-03-20 | A functional clustering algorithm for the analysis of dynamic network data | We formulate a novel technique for the detection of functional clusters in discrete event data. The advantage of this algorithm is that no prior knowledge of the number of functional groups is needed, as our procedure progressively combines data traces and derives the optimal clustering cutoff in a simple and intuitive... | [
"q-bio.NC",
"physics.data-an"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14784911 | 0803.2934 | 2008-03-20 | Stepup procedures controlling generalized FWER and generalized FDR | In many applications of multiple hypothesis testing where more than one false rejection can be tolerated, procedures controlling error rates measuring at least $k$ false rejections, instead of at least one, for some fixed $k\ge 1$ can potentially increase the ability of a procedure to detect false null hypotheses. The ... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
265010738 | 0803.3042 | 2008-03-20 | Product-form stationary distributions for deficiency zero chemical reaction networks | We consider stochastically modeled chemical reaction systems with mass-action kinetics and prove that a product-form stationary distribution exists for each closed, irreducible subset of the state space if an analogous deterministically modeled system with mass-action kinetics admits a complex balanced equilibrium. Fei... | [
"math.PR",
"math.DS"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
12912123 | 0803.2931 | 2008-03-20 | Extensions of smoothing via taut strings | Suppose that we observe independent random pairs $(X_1,Y_1)$, $(X_2,Y_2)$, >..., $(X_n,Y_n)$. Our goal is to estimate regression functions such as the conditional mean or $\beta$--quantile of $Y$ given $X$, where $0<\beta <1$. In order to achieve this we minimize criteria such as, for instance, $$ \sum_{i=1}^n \rho(f(X... | [
"stat.CO",
"stat.ME"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16652370 | 0803.2881 | 2008-03-20 | Kernel Granger causality and the analysis of dynamical networks | We propose a method of analysis of dynamical networks based on a recent measure of Granger causality between time series, based on kernel methods. The generalization of kernel Granger causality to the multivariate case, here presented, shares the following features with the bivariate measures: (i) the nonlinearity of t... | [
"cond-mat.dis-nn",
"nlin.SI",
"q-bio.QM"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "17141953",
"num_citations": null
}
] | [
{
"author_id": "d marinazzo_1",
"name": "Daniele Marinazzo",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "m pellicoro_1",
"name": "Mario Pellicoro",
"publication_history": null,
"h_index": null,
"num_papers... | null |
15008326 | 0803.2999 | 2008-03-20 | Rate-optimal estimation for a general class of nonparametric regression models with unknown link functions | This paper discusses a nonparametric regression model that naturally generalizes neural network models. The model is based on a finite number of one-dimensional transformations and can be estimated with a one-dimensional rate of convergence. The model contains the generalized additive model with unknown link function a... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "15503288",
"num_citations": null
},
{
"corpus_id": "14737482",
"num_citations": null
}
] | [
{
"author_id": "j horowitz_1",
"name": "Joel [\"L.\"] Horowitz",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "e mammen_1",
"name": "Enno Mammen",
"publication_history": null,
"h_index": null,
"num_papers": ... | null |
17277073 | 0803.3062 | 2008-03-20 | A support theorem for the geodesic ray transform of symmetric tensor fields | Let $(M,g)$ be a simple Riemannian manifold with boundary and consider the geodesic ray transform of symmetric 2-tensor fields. Let the integral of $f$ along maximal geodesics vanish on an appropriate open subset of the space of geodesics in $M$. Under the assumption that the metric $g$ is real-analytic, it is shown th... | [
"math.DG",
"math.AP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
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