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 ⌀ |
|---|---|---|---|---|---|---|---|---|---|---|
3015 | 0802.2831 | 2008-02-20 | Equilibria, Fixed Points, and Complexity Classes | Many models from a variety of areas involve the computation of an equilibrium or fixed point of some kind. Examples include Nash equilibria in games; market equilibria; computing optimal strategies and the values of competitive games (stochastic and other games); stable configurations of neural networks; analysing basi... | [
"cs.CC",
"cs.GT"
] | null | [
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{
"author_id": "m yannakakis_1",
"name": "Mihalis Yannakakis",
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}
] | null |
3257922 | 0802.2864 | 2008-02-20 | On Geometric Spanners of Euclidean and Unit Disk Graphs | We consider the problem of constructing bounded-degree planar geometric spanners of Euclidean and unit-disk graphs. It is well known that the Delaunay subgraph is a planar geometric spanner with stretch factor $C_{del\approx 2.42$; however, its degree may not be bounded. Our first result is a very simple linear time al... | [
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] | null | [
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{
"author_id": "i kanj_1",
"name": "Iyad [\"A.\"] Kanj",
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{
"author_id": "l perković_1",
"name": "Ljubomir Perković",
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"num_papers": ... | null |
19907373 | 0802.2760 | 2008-02-20 | Multicritical points for the spin glass models on hierarchical lattices | The locations of multicritical points on many hierarchical lattices are numerically investigated by the renormalization group analysis. The results are compared with an analytical conjecture derived by using the duality, the gauge symmetry and the replica method. We find that the conjecture does not give the exact answ... | [
"cond-mat.dis-nn",
"cond-mat.stat-mech"
] | null | [
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{
"author_id": "m ohzeki_1",
"name": "Masayuki Ohzeki",
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{
"author_id": "h nishimori_1",
"name": "Hidetoshi Nishimori",
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32023793 | 0802.2859 | 2008-02-20 | Bang-Bang control of a qubit coupled to a quantum critical spin bath | We analytically and numerically study the effects of pulsed control on the decoherence of a qubit coupled to a quantum spin bath. When the environment is critical, decoherence is faster and we show that the control is relatively more effective. Two coupling models are investigated, namely a qubit coupled to a bath via ... | [
"quant-ph"
] | null | [
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{
"author_id": "d rossini_1",
"name": "Davide Rossini",
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{
"author_id": "p facchi_1",
"name": "Paolo Facchi",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
6478481 | 0802.2832 | 2008-02-20 | Rent, Lease or Buy: Randomized Algorithms for Multislope Ski Rental | In the Multislope Ski Rental problem, the user needs a certain resource for some unknown period of time. To use the resource, the user must subscribe to one of several options, each of which consists of a one-time setup cost (``buying price''), and cost proportional to the duration of the usage (``rental rate''). The l... | [
"cs.DS"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13566860 | 0802.3125 | 2008-02-21 | Penalized model-based clustering with cluster-specific diagonal covariance matrices and grouped variables | Clustering analysis is one of the most widely used statistical tools in many emerging areas such as microarray data analysis. For microarray and other high-dimensional data, the presence of many noise variables may mask underlying clustering structures. Hence removing noise variables via variable selection is necessary... | [
"stat.ML",
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
4126599 | 0802.3122 | 2008-02-21 | Rich-club vs rich-multipolarization phenomena in weighted networks | Large scale hierarchies characterize complex networks in different domains. Elements at their top, usually the most central or influential, may show multipolarization or tend to club forming tightly interconnected communities. The rich-club phenomenon quantified this tendency based on unweighted network representations... | [
"cond-mat.dis-nn"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14900288 | 0802.2969 | 2008-02-21 | Model Building with F-Theory | Despite much recent progress in model building with D-branes, it has been problematic to find a completely convincing explanation of gauge coupling unification. We extend the class of models by considering F-theory compactifications, which may incorporate unification more naturally. We explain how to derive the charged... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7381748 | 0802.3117 | 2008-02-21 | Entanglement entropy, conformal invariance and extrinsic geometry | We use the conformal invariance and the holographic correspondence to fully specify the dependence of entanglement entropy on the extrinsic geometry of the 2d surface $\Sigma$ that separates two subsystems of quantum strongly coupled ${\mathcal{N}}=4$ SU(N) superconformal gauge theory. We extend this result and calcula... | [
"hep-th",
"cond-mat.stat-mech",
"gr-qc",
"math.DG",
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
11091524 | 0802.3199 | 2008-02-21 | Automated Probabilistic Classification of Transients and Variables | There is an increasing number of large, digital, synoptic sky surveys, in which repeated observations are obtained over large areas of the sky in multiple epochs. Likewise, there is a growth in the number of (often automated or robotic) follow-up facilities with varied capabilities in terms of instruments, depth, caden... | [
"astro-ph"
] | null | [
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] | [] | [
{
"author_id": "a mahabal_1",
"name": "Ashish [\"A.\"] Mahabal",
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{
"author_id": "s djorgovski_1",
"name": "S. [\"George\"] Djorgovski",
"publication_history": null,
"h_index": null,... | null |
16447757 | 0802.2940 | 2008-02-21 | Non-Perturbative Effects of Geometry in Wide-Angle Redshift Distortions | We use the formalism of Szapudi(2004} to derive full explicit expressions for the linear two-point correlation function, including redshift space distortions and large angle effects. We take into account a non-perturbative geometric term in the Jacobian, which is still linear in terms of the dynamics. This term had bee... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15924688 | 0802.3186 | 2008-02-21 | Evolution of Nuclear Star Clusters | Two-body relaxation times of nuclear star clusters are short enough that gravitational encounters should substantially affect their structure in 10 Gyr or less. In nuclear star clusters without massive black holes, dynamical evolution is a competition between core collapse, which causes densities to increase, and heat ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1341863 | 0802.3145 | 2008-02-21 | The Virgin Island Model | A continuous mass population model with local competition is constructed where every emigrant colonizes an unpopulated island. The population founded by an emigrant is modeled as excursion from zero of an one-dimensional diffusion. With this excursion measure, we construct a process which we call Virgin Island Model. F... | [
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5447632 | 0802.3232 | 2008-02-21 | Coherent method for detection of gravitational wave bursts | We describe a coherent network algorithm for detection and reconstruction of gravitational wave bursts. The algorithm works for two and more arbitrarily aligned detectors and can be used for both all-sky and triggered burst searches. We describe the main components of the algorithm, including the time-frequency analysi... | [
"gr-qc"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
11586168 | 0802.3371 | 2008-02-22 | Chaotic diffusion in the Solar System | A statistical analysis is performed over more than 1001 different integrations of the secular equations of the Solar system over 5 Gyr. With this secular system, the probability of the eccentricity of Mercury to reach 0.6 in 5 Gyr is about 1 to 2 %. In order to compare with (Ito and Tanikawa, 2002), we have performed t... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15303996 | 0802.3299 | 2008-02-22 | Study of direct CP violation in $B^{\pm} \to J/\psi K^{\pm}(\pi^{\pm})$ decays | We present a search for direct CP violation in $B^{\pm} \to J/\psi K^{\pm}(\pi^{\pm})$ decays. The event sample is selected from 2.8 fb$^{-1}$ of $p\bar{p}$ collisions recorded by D0 experiment in Run II of the Fermilab Tevatron Collider. The charge asymmetry $A_{CP}(B^+ \to J/\psi K^+) = +0.0075 \pm 0.0061$(stat.)$\pm... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "v abazov_1",
"name": "Victor [\"Mukhamedovich\"] Abazov",
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},
{
"author_id": "b abbott_2",
"name": "B. Abbott",
"publication_history": null,
"h_index": null,
"num_pa... | null |
17689822 | 0802.3216 | 2008-02-22 | Particle acceleration in relativistic collisionless shocks: Fermi process at last? | We present evidence that relativistic shocks propagating in unmagnetized plasmas can self-consistently accelerate particles. We use long-term two-dimensional particle-in-cell simulations to study the well-developed shock structure in unmagnetized pair plasma. The particle spectrum downstream of such a shock consists of... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
55986697 | 0802.3369 | 2008-02-22 | 3D Euler about a 2D Symmetry Plane | Initial results from new calculations of interacting anti-parallel Euler vortices are presented with the objective of understanding the origins of singular scaling presented by Kerr (1993) and the lack thereof by Hou and Li (2006). Core profiles designed to reproduce the two results are presented, new more robust analy... | [
"physics.flu-dyn"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2203019 | 0802.3495 | 2008-02-23 | Gaussian Interference Networks: Sum Capacity in the Low Interference Regime and New Outer Bounds on the Capacity Region | Establishing the capacity region of a Gaussian interference network is an open problem in information theory. Recent progress on this problem has led to the characterization of the capacity region of a general two user Gaussian interference channel within one bit. In this paper, we develop new, improved outer bounds on... | [
"cs.IT",
"math.IT"
] | null | [
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{
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"author_id": "v annapureddy_1",
"name": "V. [\"Sreekanth\"] Annapureddy",
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{
"author_id": "v veeravalli_1",
"name": "Venugopal [\"V.\"] Veeravalli",
"publication_history": null,
"h... | null |
119225922 | 0802.3417 | 2008-02-23 | Reduced density matrices and coherence of trapped interacting bosons | The first- and second-order correlation functions of trapped, interacting Bose-Einstein condensates are investigated numerically on a many-body level from first principles. Correlations in real space and momentum space are treated. The coherence properties are analyzed. The results are obtained by solving the many-body... | [
"cond-mat.other"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "k sakmann_1",
"name": "Kaspar Sakmann",
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{
"author_id": "a streltsov_1",
"name": "Alexej [\"I.\"] Streltsov",
"publication_history": null,
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"num_p... | null |
6008606 | 0802.3469 | 2008-02-23 | Asymptotic Normality of the Additive Regression Components for Continuous Time Processes | In multivariate regression estimation, the rate of convergence depends on the dimension of the regressor. This fact, known as the curse of the dimensionality, motivated several works. The additive model, introduced by Stone (10), offers an efficient response to this problem. In the setting of continuous time processes,... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7254714 | 0802.3439 | 2008-02-23 | Results from a search for the $0\nu\beta\beta$-decay of $^{130}Te$ | A detailed description of the CUORICINO $^{130}Te$ neutrinoless double-beta ($\nbb$) decay experiment is given and recent results are reported. CUORICINO is an array of 62 tellurium oxide ($TeO_{2}$) bolometers with an active mass of 40.7 kg. It is cooled to $\sim 8-10$ mK by a dilution refrigerator shielded from envir... | [
"hep-ex"
] | null | [
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] | [] | [
{
"author_id": "c arnaboldi_1",
"name": "C. Arnaboldi",
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},
{
"author_id": "d artusa_1",
"name": "D. [\"R.\"] Artusa",
"publication_history": null,
"h_index": null,
"num_papers": nu... | null |
7884763 | 0802.3522 | 2008-02-24 | Time Warp Edit Distance | This technical report details a family of time warp distances on the set of discrete time series. This family is constructed as an editing distance whose elementary operations apply on linear segments. A specific parameter allows controlling the stiffness of the elastic matching. It is well suited for the processing of... | [
"cs.IR"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "p marteau_1",
"name": "Pierre-François Marteau",
"publication_history": null,
"h_index": null,
"num_papers": null,
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}
] | null |
2024271 | 0802.3535 | 2008-02-24 | Approximate Capacity of Gaussian Relay Networks | We present an achievable rate for general Gaussian relay networks. We show that the achievable rate is within a constant number of bits from the information-theoretic cut-set upper bound on the capacity of these networks. This constant depends on the topology of the network, but not the values of the channel gains. The... | [
"cs.IT",
"math.IT"
] | null | [
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] | [
{
"corpus_id": "561489",
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] | [
{
"author_id": "a avestimehr_1",
"name": "Amir [\"Salman\"] Avestimehr",
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},
{
"author_id": "s diggavi_1",
"name": "Suhas [\"N.\"] Diggavi",
"publication_history": null,
"h_index": null... | null |
3258930 | 0802.3563 | 2008-02-24 | Distributed Sensor Localization in Random Environments using Minimal Number of Anchor Nodes | The paper develops DILOC, a \emph{distributive}, \emph{iterative} algorithm that locates M sensors in $\mathbb{R}^m, m\geq 1$, with respect to a minimal number of m+1 anchors with known locations. The sensors exchange data with their neighbors only; no centralized data processing or communication occurs, nor is there c... | [
"cs.IT",
"math.IT"
] | null | [
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{
"author_id": "u khan_1",
"name": "Usman [\"A.\"] Khan",
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},
{
"author_id": "s kar_1",
"name": "Soummya Kar",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
117659977 | 0802.3537 | 2008-02-24 | Topological Field Theory of Time-Reversal Invariant Insulators | We show that the fundamental time reversal invariant (TRI) insulator exists in 4+1 dimensions, where the effective field theory is described by the 4+1 dimensional Chern-Simons theory and the topological properties of the electronic structure is classified by the second Chern number. These topological properties are th... | [
"cond-mat.mes-hall",
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14076147 | 0802.3569 | 2008-02-25 | Delay Analysis for Wireless Local Area Networks with Multipacket Reception under Finite Load | To date, most analysis of WLANs has been focused on their operation under saturation condition. This work is an attempt to understand the fundamental performance of WLANs under unsaturated condition. In particular, we are interested in the delay performance when collisions of packets are resolved by an exponential back... | [
"cs.NI"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "y zhang_523",
"name": "Ying [\"Jun\",\"Angela\"] Zhang",
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},
{
"author_id": "s liew_1",
"name": "Soung [\"Chang\"] Liew",
"publication_history": null,
"h_index": null,
... | null |
11991377 | 0802.3677 | 2008-02-25 | Limits on Primordial Non-Gaussianity from Minkowski Functionals of the WMAP Temperature Anisotropies | We present an analysis of the Minkowski Functionals (MFs) describing the WMAP three-year temperature maps to place limits on possible levels of primordial non-Gaussianity. In particular, we apply perturbative formulae for the MFs to give constraints on the usual non-linear coupling constant fNL. The theoretical predict... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14323744 | 0802.3570 | 2008-02-25 | Asymptotic Behaviour of Random Vandermonde Matrices with Entries on the Unit Circle | Analytical methods for finding moments of random Vandermonde matrices with entries on the unit circle are developed. Vandermonde Matrices play an important role in signal processing and wireless applications such as direction of arrival estimation, precoding, and sparse sampling theory, just to name a few. Within this ... | [
"cs.IT",
"math.IT"
] | null | [
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{
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{
"corpus_id": "6316833",
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{
"author_id": "o ryan_1",
"name": "Oyvind Ryan",
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{
"author_id": "m debbah_1",
"name": "Mérouane Debbah",
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"... | null |
11054663 | 0802.3556 | 2008-02-25 | The Infrared Afterglow of Supermassive Black Hole Mergers | We model the spectra and light curves of circumbinary accretion disks during the time after the central black holes merge. The most immediate effect of this merger is the dissipation of energy in the outer regions of the disk due to the gravitational wave energy and linear momentum flux released at merger. This has the... | [
"astro-ph"
] | null | [
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{
"corpus_id": "17207723",
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] | [
{
"author_id": "j schnittman_1",
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{
"author_id": "j krolik_1",
"name": "Julian [\"H.\"] Krolik",
"publication_history": null,
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... | null |
1442178 | 0802.3776 | 2008-02-26 | Universal intermittent properties of particle trajectories in highly turbulent flows | We present a collection of eight data sets, from state-of-the-art experiments and numerical simulations on turbulent velocity statistics along particle trajectories obtained in different flows with Reynolds numbers in the range $R_\lambda \in [120:740]$. Lagrangian structure functions from all data sets are found to co... | [
"nlin.CD",
"physics.flu-dyn"
] | null | [
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{
"author_id": "a arneodo_0",
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{
"author_id": "r benzi_1",
"name": "Roberto Benzi",
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"h_index": null,
"num_papers": null,
... | null |
41839805 | 0802.3901 | 2008-02-26 | Frequency and Impact of Galaxy Mergers and Interactions over the last 7 Gyr | We explore the history and impact of galaxy mergers and interactions over z~0.24 to 0.80, based on HST ACS, Combo-17, and Spitzer 24 mu data of ~4500 galaxies in the GEMS survey. Using visual and quantitative parameters,we identify galaxies with strong distortions indicative of recent strong interactions and mergers ve... | [
"astro-ph"
] | null | [
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] | [] | [
{
"author_id": "s jogee_1",
"name": "Shardha Jogee",
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{
"author_id": "s miller_4",
"name": "Sarah [\"H.\"] Miller",
"publication_history": null,
"h_index": null,
"num_papers": nu... | null |
17939476 | 0802.3764 | 2008-02-26 | Homogeneous studies of transiting extrasolar planets. I. Light curve analyses | I present an homogeneous analysis of the transit light curves of 14 well-observed transiting extrasolar planets. The light curves are modelled using JKTEBOP, random errors are measured using Monte Carlo simulations, and the effects of correlated noise are included using a residual-permutation algorithm. The importance ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2877915 | 0802.3860 | 2008-02-26 | Separating NOF communication complexity classes RP and NP | We provide a non-explicit separation of the number-on-forehead communication complexity classes RP and NP when the number of players is up to \delta log(n) for any \delta<1. Recent lower bounds on Set-Disjointness [LS08,CA08] provide an explicit separation between these classes when the number of players is only up to ... | [
"cs.CC"
] | null | [
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] | [
{
"corpus_id": "2474300",
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] | [
{
"author_id": "m david_4",
"name": "Matei David",
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{
"author_id": "t pitassi_1",
"name": "Toniann Pitassi",
"publication_history": null,
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... | null |
10240521 | 0802.3922 | 2008-02-26 | Constrained Consensus | We present distributed algorithms that can be used by multiple agents to align their estimates with a particular value over a network with time-varying connectivity. Our framework is general in that this value can represent a consensus value among multiple agents or an optimal solution of an optimization problem, where... | [
"math.OC"
] | null | [
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{
"author_id": "a nedić_1",
"name": "Angelia Nedić",
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{
"author_id": "a ozdaglar_1",
"name": "Asuman [\"E.\"] Ozdaglar",
"publication_history": null,
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"num_papers... | null |
10840172 | 0802.3917 | 2008-02-26 | Exploring the Impact of Galaxy Interactions over Seven Billion Years with CAS | We explore galaxy assembly over the last seven billion years by characterizing "normal" galaxies along the Hubble sequence, against strongly disturbed merging/interacting galaxies with the widely used CAS system of concentration (C), asymmetry (A), and 'clumpiness' (S) parameters, as well as visual classification. We a... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "s miller_4",
"name": "Sarah [\"H.\"] Miller",
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{
"author_id": "s jogee_1",
"name": "Shardha Jogee",
"publication_history": null,
"h_index": null,
"num_papers": nu... | null |
6051706 | 0802.3913 | 2008-02-26 | The Scattered Disk as the source of the Jupiter Family comets | The short period Jupiter family comets (JFCs) are thought to originate in the Kuiper Belt; specifically, a dynamical subclass of the Kuiper Belt known as the `scattered disk' is argued to be the dominant source of JFCs. However, the best estimates from observational surveys indicate that this source may fall short by m... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
502701 | 0802.3851 | 2008-02-26 | Joint Source Channel Coding with Side Information Using Hybrid Digital Analog Codes | We study the joint source channel coding problem of transmitting an analog source over a Gaussian channel in two cases - (i) the presence of interference known only to the transmitter and (ii) in the presence of side information known only to the receiver. We introduce hybrid digital analog forms of the Costa and Wyner... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14422459 | 0802.3916 | 2008-02-26 | A fast Bayesian approach to discrete object detection in astronomical datasets - PowellSnakes I | A new fast Bayesian approach is introduced for the detection of discrete objects immersed in a diffuse background. This new method, called PowellSnakes, speeds up traditional Bayesian techniques by: i) replacing the standard form of the likelihood for the parameters characterizing the discrete objects by an alternative... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
55588481 | 0802.3910 | 2008-02-26 | Characterizing Barred Galaxies in the Abell 901/902 Supercluster | In dense clusters, higher densities at early epochs as well as physical processes, such as ram pressure stripping and tidal interactions become important, and can have direct consequences for the evolution of bars and their host disks. To study bars and disks as a function of environment, we are using the STAGES ACS HS... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "i marinova_1",
"name": "Irina Marinova",
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{
"author_id": "s jogee_1",
"name": "Shardha Jogee",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
18825439 | 0802.3908 | 2008-02-26 | Morphological Transformations of Galaxies in the A901/02 Supercluster from STAGES | We present a study of galaxies in the Abell 901/902 Supercluster at z~0.165, based on HST ACS F606W, COMBO-17, Spitzer 24um, XMM-Newton X-ray, and gravitational lensing maps, as part of the STAGES survey. We characterize galaxies with strong externally-triggered morphological distortions and normal relatively undisturb... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a heiderman_1",
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{
"author_id": "s jogee_1",
"name": "Shardha Jogee",
"publication_history": null,
"h_index": null,
"num_papers": null... | null |
15579244 | 0802.3948 | 2008-02-27 | Generating functions for colored 3D Young diagrams and the Donaldson-Thomas invariants of orbifolds | We derive two multivariate generating functions for three-dimensional Young diagrams (also called plane partitions). The variables correspond to a colouring of the boxes according to a finite Abelian subgroup G of SO(3). We use the vertex operator methods of Okounkov--Reshetikhin--Vafa for the easy case G = Z/n; to han... | [
"math.CO",
"hep-th",
"math.AG",
"math.RT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119233580 | 0802.4051 | 2008-02-27 | Epsilon-measures of entanglement | We associate to every entanglement measure a family of measures which depend on a precision parameter, and which we call epsilon-measures of entanglement. Their definition aims at addressing a realistic scenario in which we need to estimate the amount of entanglement in a state that is only partially known. We show tha... | [
"quant-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "c mora_1",
"name": "Caterina [\"E.\"] Mora",
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{
"author_id": "m piani_1",
"name": "Marco Piani",
"publication_history": null,
"h_index": null,
"num_papers": null,... | null |
119225415 | 0802.4035 | 2008-02-27 | Search for CP Violation in Neutral D Meson Cabibbo-suppressed Three-body Decays | Using 385 fb^-1 of e^+e^- collision data collected at center-of-mass energies around 10.6 GeV, we search for time-integrated CP violation in the singly Cabibbo-suppressed decays D0/D0bar --> pi^- pi^+ pi^0 and D0/D0bar --> K^- K^+ pi^0. Our model-independent and model-dependent analyses show no evidence of CP violation... | [
"hep-ex"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10880607 | 0802.3950 | 2008-02-27 | Belief Propagation and Loop Series on Planar Graphs | We discuss a generic model of Bayesian inference with binary variables defined on edges of a planar graph. The Loop Calculus approach of [1, 2] is used to evaluate the resulting series expansion for the partition function. We show that, for planar graphs, truncating the series at single-connected loops reduces, via a m... | [
"cond-mat.stat-mech",
"cs.AI",
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16571761 | 0802.4075 | 2008-02-27 | Pollution of single white dwarfs by accretion of many small asteroids | Extrapolating from the solar system's asteroid belt, we propose that externally-contaminated white dwarfs without an infrared excess may be experiencing continuous accretion of gas-phase material that ultimately is derived from the tidal destruction of multiple small asteroids. If this scenario is correct, then observa... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
9333748 | 0802.3956 | 2008-02-27 | The smallest singular value of a random rectangular matrix | We prove an optimal estimate on the smallest singular value of a random subgaussian matrix, valid for all fixed dimensions. For an N by n matrix A with independent and identically distributed subgaussian entries, the smallest singular value of A is at least of the order \sqrt{N} - \sqrt{n-1} with high probability. A sh... | [
"math.PR",
"math.FA"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
15873250 | 0802.4155 | 2008-02-28 | The Security of Practical Quantum Key Distribution | Quantum key distribution (QKD) is the first quantum information task to reach the level of mature technology, already fit for commercialization. It aims at the creation of a secret key between authorized partners connected by a quantum channel and a classical authenticated channel. The security of the key can in princi... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
41619260 | 0802.4162 | 2008-02-28 | Coupling efficiency for phase locking of a spin transfer oscillator to a microwave current | The phase locking behavior of spin transfer nano-oscillators (STNOs) to an external microwave signal is experimentally studied as a function of the STNO intrinsic parameters. We extract the coupling strength from our data using the derived phase dynamics of a forced STNO. The predicted trends on the coupling strength f... | [
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "b georges_1",
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{
"author_id": "j grollier_1",
"name": "Julie Grollier",
"publication_history": null,
"h_index": null,
"num_papers": null... | null |
115167692 | 0802.4195 | 2008-02-28 | Gradient Flows for Optimisation and Quantum Control: Foundations and Applications | For addressing optimisation tasks on finite dimensional quantum systems, we give a comprehensive account of the foundations of gradient flows on Riemannian manifolds including new developments: we extend former results from Lie groups such as the full unitary group to closed subgroups like partitionings by factorisatio... | [
"quant-ph",
"math-ph",
"math.MP",
"math.OC"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
19008929 | 0802.4151 | 2008-02-28 | Amplitude calibration of a digital radio antenna array for measuring cosmic ray air showers | Radio pulses are emitted during the development of air showers, where air showers are generated by ultra-high energy cosmic rays entering the Earth's atmosphere. These nanosecond short pulses are presently investigated by various experiments for the purpose of using them as a new detection technique for cosmic particle... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1435009 | 0802.4282 | 2008-02-28 | Distributed Opportunistic Scheduling For Ad-Hoc Communications Under Noisy Channel Estimation | Distributed opportunistic scheduling is studied for wireless ad-hoc networks, where many links contend for one channel using random access. In such networks, distributed opportunistic scheduling (DOS) involves a process of joint channel probing and distributed scheduling. It has been shown that under perfect channel es... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "d zheng_8",
"name": "Dong Zheng",
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{
"author_id": "m pun_2",
"name": "Man-On Pun",
"publication_history": null,
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"num_cita... | null |
8834157 | 0802.4330 | 2008-02-28 | Eigenvalue Estimates and Mutual Information for the Linear Time-Varying Channel | We consider linear time-varying channels with additive white Gaussian noise. For a large class of such channels we derive rigorous estimates of the eigenvalues of the correlation matrix of the effective channel in terms of the sampled time-varying transfer function and, thus, provide a theoretical justification for a r... | [
"cs.IT",
"math.IT"
] | null | [
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{
"author_id": "b farrell_2",
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{
"author_id": "t strohmer_1",
"name": "Thomas Strohmer",
"publication_history": null,
"h_index": null,
"num_papers": nu... | null |
5159747 | 0802.4192 | 2008-02-28 | Maxisets for Model Selection | We address the statistical issue of determining the maximal spaces (maxisets) where model selection procedures attain a given rate of convergence. By considering first general dictionaries, then orthonormal bases, we characterize these maxisets in terms of approximation spaces. These results are illustrated by classica... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "f autin_1",
"name": "Florent Autin",
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{
"author_id": "e pennec_1",
"name": "Erwan [\"Le\"] Pennec",
"publication_history": null,
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"num_papers": nu... | null |
10046114 | 0802.4130 | 2008-02-28 | Wideband Spectrum Sensing in Cognitive Radio Networks | Spectrum sensing is an essential enabling functionality for cognitive radio networks to detect spectrum holes and opportunistically use the under-utilized frequency bands without causing harmful interference to legacy networks. This paper introduces a novel wideband spectrum sensing technique, called multiband joint de... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1250090 | 0802.4284 | 2008-02-28 | Distributed Opportunistic Scheduling for MIMO Ad-Hoc Networks | Distributed opportunistic scheduling (DOS) protocols are proposed for multiple-input multiple-output (MIMO) ad-hoc networks with contention-based medium access. The proposed scheduling protocols distinguish themselves from other existing works by their explicit design for system throughput improvement through exploitin... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
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{
"author_id": "w ge_2",
"name": "Weiyan Ge",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citation... | null |
12613031 | 0802.4299 | 2008-02-28 | SINR Analysis of Opportunistic MIMO-SDMA Downlink Systems with Linear Combining | Opportunistic scheduling (OS) schemes have been proposed previously by the authors for multiuser MIMO-SDMA downlink systems with linear combining. In particular, it has been demonstrated that significant performance improvement can be achieved by incorporating low-complexity linear combining techniques into the design ... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [
{
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] | [
{
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{
"author_id": "v koivunen_1",
"name": "Visa Koivunen",
"publication_history": null,
"h_index": null,
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"nu... | null |
5727378 | 0802.4233 | 2008-02-28 | Adaptive Sum Power Iterative Waterfilling for MIMO Cognitive Radio Channels | In this paper, the sum capacity of the Gaussian Multiple Input Multiple Output (MIMO) Cognitive Radio Channel (MCC) is expressed as a convex problem with finite number of linear constraints, allowing for polynomial time interior point techniques to find the solution. In addition, a specialized class of sum power iterat... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "r soundararajan_1",
"name": "Rajiv Soundararajan",
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},
{
"author_id": "s vishwanath_2",
"name": "Sriram Vishwanath",
"publication_history": null,
"h_index": null,
"n... | null |
8508289 | 0802.4115 | 2008-02-28 | Fast Directional Computation for the High Frequency Helmholtz Kernel in Two Dimensions | This paper introduces a directional multiscale algorithm for the two dimensional $N$-body problem of the Helmholtz kernel with applications to high frequency scattering. The algorithm follows the approach in [Engquist and Ying, SIAM Journal on Scientific Computing, 29 (4), 2007] where the three dimensional case was stu... | [
"math.NA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14224303 | 0802.4220 | 2008-02-28 | The kinematic status and mass content of the Sculptor dwarf spheroidal galaxy | We present VLT/FLAMES spectroscopic observations (R~6500) in the CaII triplet region for 470 probable kinematic members of the Sculptor (Scl) dwarf spheroidal galaxy. The accurate velocities (+- 2 km/s) and large area coverage of Scl allow us to measure a velocity gradient of 7.6_{-2.2}^{+3.0} km/s deg^{-1} along the S... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14642050 | 0802.4297 | 2008-02-28 | An XMM-Newton study of the environments, particle content and impact of low-power radio galaxies | We present a detailed study of the environments of a sample of nine low-power radio galaxies, based on new and archival XMM-Newton observations. We report new detections of group-scale environments around three radio galaxies, 3C 296, NGC 1044 and 3C 76.1. As with previous studies, we find that FR-I radio galaxies inha... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16317925 | 0802.4244 | 2008-02-28 | Call Admission Control Algorithm for pre-stored VBR video streams | We examine the problem of accepting a new request for a pre-stored VBR video stream that has been smoothed using any of the smoothing algorithms found in the literature. The output of these algorithms is a piecewise constant-rate schedule for a Variable Bit-Rate (VBR) stream. The schedule guarantees that the decoder bu... | [
"cs.NI",
"cs.DS"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "c tryfonas_0",
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{
"author_id": "d papamichail_1",
"name": "Dimitris [\"P.\"] Papamichail",
"publication_history": null,
"h_index": null,
... | null |
7357626 | 0802.4258 | 2008-02-28 | Measurement of the Bc meson mass in the exclusive decay Bc --> Jpsi Pi | A fully reconstructed Bc --> Jpsi Pi signal is observed with the D0 detector at the Fermilab Tevatron p-pbar collider. Using 1.3 inverse femtobarns of integrated luminosity, the signal is extracted with a significance more than five standard deviations above background. The measured Bc meson mass is 6300 (+-) 14 (stat)... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "v abazov_1",
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{
"author_id": "b abbott_2",
"name": "B. Abbott",
"publication_history": null,
"h_index": null,
"num_pa... | null |
8793295 | 0803.0037 | 2008-02-29 | A Survey on Deep Packet Inspection for Intrusion Detection Systems | Deep packet inspection is widely recognized as a powerful way which is used for intrusion detection systems for inspecting, deterring and deflecting malicious attacks over the network. Fundamentally, almost intrusion detection systems have the ability to search through packets and identify contents that match with know... | [
"cs.CR"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "t abuhmed_1",
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{
"author_id": "a mohaisen_1",
"name": "Aziz Mohaisen",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
28854742 | 0803.0030 | 2008-02-29 | First study of the radiation-amplitude zero in Wgamma production and limits on anomalous WWgamma couplings at sqrt(s)=1.96 TeV | We present results from a study of p-pbar -> W(gamma) + X events utilizing data corresponding to 0.7 fb^{-1} of integrated luminosity at sqrt(s) = 1.96 TeV collected by the D0 detector at the Fermilab Tevatron Collider. We set limits on anomalous WWgamma couplings at the 95% C.L. The one dimensional 95% C.L. limits are... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "v abazov_1",
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},
{
"author_id": "b abbott_2",
"name": "B. Abbott",
"publication_history": null,
"h_index": null,
"num_pa... | null |
8083064 | 0802.4320 | 2008-02-29 | Astrophysically Triggered Searches for Gravitational Waves: Status and Prospects | In gravitational-wave detection, special emphasis is put onto searches that focus on cosmic events detected by other types of astrophysical observatories. The astrophysical triggers, e.g. from gamma-ray and X-ray satellites, optical telescopes and neutrino observatories, provide a trigger time for analyzing gravitation... | [
"gr-qc"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "b abbott_2",
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},
{
"author_id": "r abbott_2",
"name": "Richard Abbott",
"publication_history": null,
"h_index": null,
"num_papers": nul... | null |
17100244 | 0802.4397 | 2008-02-29 | Multi-frequency spectral analysis of extragalactic radio sources in the 33-GHz VSA catalogue: sources with flattening and upturn spectrum | We present an analysis of the spectral properties of the extragalactic radio sources in the nearly-complete VSA sample at 33GHz. Data from different surveys are used to study source spectra between 1.4 and 33GHz. We find that, in general, spectra can not be well described by a single power law in the range of frequenci... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [
{
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{
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{
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{
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{
"corpus_id": "16023060",
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... | [
{
"author_id": "m tucci_2",
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{
"author_id": "j rubiño-martín_1",
"name": "José [\"Alberto\"] Rubiño-Martín",
"publication_history": null,
"h_index": null,
... | null |
118674765 | 0802.4455 | 2008-02-29 | Heat conduction and Fourier's law in a class of many particle dispersing billiards | We consider the motion of many confined billiard balls in interaction and discuss their transport and chaotic properties. In spite of the absence of mass transport, due to confinement, energy transport can take place through binary collisions between neighbouring particles. We explore the conditions under which relaxat... | [
"nlin.CD",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16500055 | 0803.0083 | 2008-03-01 | Direct Methods and Symbolic Software for Conservation Laws of Nonlinear Equations | We present direct methods and symbolic software for the computation of conservation laws of nonlinear partial differential equations (PDEs) and differential-difference equations (DDEs).The methods are applied to nonlinear PDEs in (1+1) dimensions with polynomial nonlinearities which include the Korteweg-de Vries (KdV),... | [
"nlin.SI"
] | null | [
"target.key_reference"
] | null | null | null |
264614693 | 0803.0054 | 2008-03-01 | Adaptive methods for sequential importance sampling with application to state space models | In this paper we discuss new adaptive proposal strategies for sequential Monte Carlo algorithms--also known as particle filters--relying on criteria evaluating the quality of the proposed particles. The choice of the proposal distribution is a major concern and can dramatically influence the quality of the estimates. T... | [
"stat.CO",
"math.ST",
"stat.ME",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
16870983 | 0803.4089 | 2008-03-01 | Bayes in the sky: Bayesian inference and model selection in cosmology | The application of Bayesian methods in cosmology and astrophysics has flourished over the past decade, spurred by data sets of increasing size and complexity. In many respects, Bayesian methods have proven to be vastly superior to more traditional statistical tools, offering the advantage of higher efficiency and of a ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6166446 | 0803.0014 | 2008-03-02 | Automated Termination Proofs for Logic Programs by Term Rewriting | There are two kinds of approaches for termination analysis of logic programs: "transformational" and "direct" ones. Direct approaches prove termination directly on the basis of the logic program. Transformational approaches transform a logic program into a term rewrite system (TRS) and then analyze termination of the r... | [
"cs.LO",
"cs.AI",
"cs.PL"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "3263311",
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}
] | [
{
"author_id": "p schneider-kamp_1",
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},
{
"author_id": "j giesl_1",
"name": "Jürgen Giesl",
"publication_history": null,
"h_index": null,
"num_paper... | null |
14593812 | 0803.0277 | 2008-03-03 | General post-Minkowskian expansion of time transfer functions | Modeling most of the tests of general relativity requires to know the function relating light travel time to the coordinate time of reception and to the spatial coordinates of the emitter and the receiver. We call such a function the reception time transfer function. Of course, an emission time transfer function may as... | [
"gr-qc"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15107866 | 0803.0361 | 2008-03-04 | Finite epidemic thresholds in fractal scale-free `large-world' networks | It is generally accepted that scale-free networks is prone to epidemic spreading allowing the onset of large epidemics whatever the spreading rate of the infection. In the paper, we show that disease propagation may be suppressed in particular fractal scale-free networks. We first study analytically the topological cha... | [
"cond-mat.other"
] | null | [
"target.author.publication_history"
] | [] | [
{
"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 |
1899996 | 0803.0354 | 2008-03-04 | Terascale Physics Opportunities at a High Statistics, High Energy Neutrino Scattering Experiment: NuSOnG | This article presents the physics case for a new high-energy, ultra-high statistics neutrino scattering experiment, NuSOnG (Neutrino Scattering on Glass). This experiment uses a Tevatron-based neutrino beam to obtain over an order of magnitude higher statistics than presently available for the purely weak processes $\n... | [
"hep-ph",
"hep-ex"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2501683 | 0803.0456 | 2008-03-04 | On the Spectrum of an Operator Pencil with Applications to Wave Propagation in Periodic and Frequency Dependent Materials | We study wave propagation in periodic and frequency dependent materials. The approach in this paper leads to spectral analysis of a quadratic operator pencil where the spectral parameter relates to the quasimomentum and the frequency is a parameter. We show that the underlying operator has a discrete spectrum, where th... | [
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
11653407 | 0803.0342 | 2008-03-04 | A precise determination of alpha_s from LEP thrust data using effective field theory | Starting from a factorization theorem in Soft-Collinear Effective Theory, the thrust distribution in e+e- collisions is calculated including resummation of the next-to-next-to-next-to leading logarithms. This is a significant improvement over previous calculations which were only valid to next-to-leading logarithmic or... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
262414936 | 0803.0547 | 2008-03-04 | Five-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Cosmological Interpretation | (Abridged) The WMAP 5-year data strongly limit deviations from the minimal LCDM model. We constrain the physics of inflation via Gaussianity, adiabaticity, the power spectrum shape, gravitational waves, and spatial curvature. We also constrain the properties of dark energy, parity-violation, and neutrinos. We detect no... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
9658477 | 0803.0324 | 2008-03-04 | Discovery of the Dust-Enshrouded Progenitor of SN 2008S with Spitzer | We report the discovery of the progenitor of the recent type IIn SN 2008S in the nearby galaxy NGC 6946. Surprisingly, it was not found in deep, pre-explosion optical images of its host galaxy taken with the Large Binocular Telescope, but only through examination of archival Spitzer mid-IR data. A source coincident wit... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
334423 | 0803.0476 | 2008-03-04 | Fast unfolding of communities in large networks | We propose a simple method to extract the community structure of large networks. Our method is a heuristic method that is based on modularity optimization. It is shown to outperform all other known community detection method in terms of computation time. Moreover, the quality of the communities detected is very good, a... | [
"physics.soc-ph",
"cond-mat.stat-mech",
"cs.CY",
"cs.DS"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
15986602 | 0803.0531 | 2008-03-04 | The SuperNova Early Warning System | A core collapse in the Milky Way will produce an enormous burst of neutrinos in detectors world-wide. Such a burst has the potential to provide an early warning of a supernova's appearance. I will describe the nature of the signal, the sensitivity of current detectors, and SNEWS, the SuperNova Early Warning System, a n... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18978341 | 0803.0357 | 2008-03-04 | The Mid-Infrared Properties of X-ray Sources | We combine the results of the Spitzer IRAC Shallow Survey and the Chandra XBootes Survey of the 8.5 square degrees Bootes field of the NOAO Deep Wide- Field Survey to produce the largest comparison of mid-IR and X-ray sources to date. The comparison is limited to sources with X-ray fluxes >8x10-15 erg cm-2s-1 in the 0.... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "2587192",
"num_citations": null
},
{
"corpus_id": "17076572",
"num_citations": null
}
] | [
{
"author_id": "v gorjian_1",
"name": "Varoujan Gorjian",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "m brodwin_1",
"name": "Mark Brodwin",
"publication_history": null,
"h_index": null,
"num_papers": null,... | null |
1090158 | 0803.0597 | 2008-03-04 | Cooperative Spectrum Sensing Using Random Matrix Theory | In this paper, using tools from asymptotic random matrix theory, a new cooperative scheme for frequency band sensing is introduced for both AWGN and fading channels. Unlike previous works in the field, the new scheme does not require the knowledge of the noise statistics or its variance and is related to the behavior o... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "l cardoso_4",
"name": "Leonardo [\"Sampaio\"] Cardoso",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "m debbah_1",
"name": "Mérouane Debbah",
"publication_history": null,
"h_index": null,
"nu... | null |
14113665 | 0803.0654 | 2008-03-05 | Blazar sequence - an artefact of Doppler boosting | The blazar sequence is a scenario in which the bolometric luminosity of the blazar governs the appearance of its spectral energy distribution. The most prominent result is the significant negative correlation between the synchrotron peak frequencies and the synchrotron peak luminosities of the blazar population. Observ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119195347 | 0803.0689 | 2008-03-05 | Rectifying the thermal Brownian motion of three-dimensional asymmetric objects | We extend the analysis of a thermal Brownian motor reported in Phys. Rev. Lett. 93, 090601 (2004) by C. Van den Broeck, R. Kawai, and P. Meurs to a three-dimensional configuration. We calculate the friction coefficient, diffusion coefficient, and drift velocity as a function of shape and present estimates based on phys... | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m broek_1",
"name": "Martinus [\"H.\",\"L.\",\"M.\",\"van\",\"den\"] Broek",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "c broeck_1",
"name": "Chris [\"Van\",\"Den\"] Broeck",
"publication_history"... | null |
260559901 | 0803.0632 | 2008-03-05 | Network Coding for Distributed Storage Systems | Distributed storage systems provide reliable access to data through redundancy spread over individually unreliable nodes. Application scenarios include data centers, peer-to-peer storage systems, and storage in wireless networks. Storing data using an erasure code, in fragments spread across nodes, requires less redund... | [
"cs.NI",
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a dimakis_1",
"name": "Alexandros [\"G.\"] Dimakis",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "b godfrey_1",
"name": "Brighten Godfrey",
"publication_history": null,
"h_index": null,
"num... | null |
2358160 | 0803.0653 | 2008-03-05 | Aggregating and Deploying Network Access Control Policies | The existence of errors or inconsistencies in the configuration of security components, such as filtering routers and/or firewalls, may lead to weak access control policies -- potentially easy to be evaded by unauthorized parties. We present in this paper a proposal to create, manage, and deploy consistent policies in ... | [
"cs.CR",
"cs.NI"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j garcía_6",
"name": "Joaquín García",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "f cuppens_1",
"name": "Frédéric Cuppens",
"publication_history": null,
"h_index": null,
"num_papers": null... | null |
1511628 | 0803.0586 | 2008-03-05 | Five-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Likelihoods and Parameters from the WMAP data | This paper focuses on cosmological constraints derived from analysis of WMAP data alone. A simple LCDM cosmological model fits the five-year WMAP temperature and polarization data. The basic parameters of the model are consistent with the three-year data and now better constrained: Omega_b h^2 = 0.02273+-0.00062, Omega... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
9602876 | 0803.0715 | 2008-03-05 | Five-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Galactic Foreground Emission | We present a new estimate of foreground emission in the WMAP data, using a Markov chain Monte Carlo (MCMC) method. The new technique delivers maps of each foreground component for a variety of foreground models, error estimates of the uncertainty of each foreground component, and provides an overall goodness-of-fit mea... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
122796340 | 0803.0732 | 2008-03-05 | Five-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Data Processing, Sky Maps, and Basic Results | We present new full-sky temperature and polarization maps in five frequency bands from 23 to 94 GHz, based on data from the first five years of the WMAP sky survey. The five-year maps incorporate several improvements in data processing made possible by the additional years of data and by a more complete analysis of the... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18331026 | 0803.0548 | 2008-03-05 | z~7-10 Galaxies in the HUDF and GOODS fields, and their UV Luminosity Functions | We use all available deep optical ACS and near-IR data over both the HUDF and the two GOODS fields to search for star-forming galaxies at z>~7 and constrain the UV LF within the first 700 Myrs. Our data set includes ~23 arcmin^2 of deep NICMOS J+H data and ~248 arcmin^2 of ground-based (ISAAC+MOIRCS) data, coincident w... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14338627 | 0803.0739 | 2008-03-05 | Evidence for production of single top quarks | We present first evidence for the production of single top quarks in the D0 detector at the Fermilab Tevatron ppbar collider. The standard model predicts that the electroweak interaction can produce a top quark together with an antibottom quark or light quark, without the antiparticle top quark partner that is always p... | [
"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 |
7478940 | 0803.0939 | 2008-03-06 | Planetary-Scale Views on an Instant-Messaging Network | We present a study of anonymized data capturing a month of high-level communication activities within the whole of the Microsoft Messenger instant-messaging system. We examine characteristics and patterns that emerge from the collective dynamics of large numbers of people, rather than the actions and characteristics of... | [
"physics.soc-ph"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "j leskovec_1",
"name": "Jure Leskovec",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "e horvitz_1",
"name": "Eric Horvitz",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
8001711 | 0803.0929 | 2008-03-06 | Graph Sparsification by Effective Resistances | We present a nearly-linear time algorithm that produces high-quality sparsifiers of weighted graphs. Given as input a weighted graph $G=(V,E,w)$ and a parameter $\epsilon>0$, we produce a weighted subgraph $H=(V,\tilde{E},\tilde{w})$ of $G$ such that $|\tilde{E}|=O(n\log n/\epsilon^2)$ and for all vectors $x\in\R^V$ $(... | [
"cs.DS"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
15518505 | 0803.0862 | 2008-03-06 | xPerm: fast index canonicalization for tensor computer algebra | We present a very fast implementation of the Butler-Portugal algorithm for index canonicalization with respect to permutation symmetries. It is called xPerm, and has been written as a combination of a Mathematica package and a C subroutine. The latter performs the most demanding parts of the computations and can be lin... | [
"cs.SC",
"gr-qc",
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7427686 | 0803.0875 | 2008-03-06 | Vandermonde Frequency Division Multiplexing for Cognitive Radio | We consider a cognitive radio scenario where a primary and a secondary user wish to communicate with their corresponding receivers simultaneously over frequency selective channels. Under realistic assumptions that the secondary transmitter has no side information about the primary's message and each transmitter knows o... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "l cardoso_4",
"name": "Leonardo [\"Sampaio\"] Cardoso",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "m kobayashi_5",
"name": "Mari Kobayashi",
"publication_history": null,
"h_index": null,
"... | null |
6388616 | 0803.0956 | 2008-03-06 | Characterizing path graphs by forbidden induced subgraphs | A graph is a path graph if it is the intersection graph of a family of subpaths of a tree. In 1970, Renz asked for a characterizaton of path graphs by forbidden induced subgraphs. Here we answer this question by listing all graphs that are not path graphs and are minimal with this property. | [
"cs.DM"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2631996 | 0803.0829 | 2008-03-06 | Time--space harmonic polynomials relative to a L\'{e}vy process | In this work, we give a closed form and a recurrence relation for a family of time--space harmonic polynomials relative to a L\'{e}vy process. We also state the relationship with the Kailath--Segall (orthogonal) polynomials associated to the process. | [
"math.PR",
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
55036344 | 0803.0912 | 2008-03-06 | Tilted anisotropic Dirac cones in quinoid-type graphene and alpha-(BEDT-TTF)_2I_3 | We investigate a generalized two-dimensional Weyl Hamiltonian, which may describe the low-energy properties of mechanically deformed graphene and of the organic compound alpha-(BEDT-TTF)_2I_3 under pressure. The associated dispersion has generically the form of tilted anisotropic Dirac cones. The tilt arises due to nex... | [
"cond-mat.mes-hall",
"cond-mat.str-el"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
265039295 | 0803.0811 | 2008-03-06 | Subspace Pursuit for Compressive Sensing Signal Reconstruction | We propose a new method for reconstruction of sparse signals with and without noisy perturbations, termed the subspace pursuit algorithm. The algorithm has two important characteristics: low computational complexity, comparable to that of orthogonal matching pursuit techniques when applied to very sparse signals, and r... | [
"cs.NA",
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference",
"target.key_reference"
] | [
{
"corpus_id": "1431305",
"num_citations": null
}
] | [
{
"author_id": "w dai_6",
"name": "Wei Dai",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "o milenkovic_1",
"name": "Olgica Milenkovic",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
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