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 ⌀ |
|---|---|---|---|---|---|---|---|---|---|---|
218530196 | 0707.0050 | 2007-06-30 | Non-atomic Games for Multi-User Systems | In this contribution, the performance of a multi-user system is analyzed in the context of frequency selective fading channels. Using game theoretic tools, a useful framework is provided in order to determine the optimal power allocation when users know only their own channel (while perfect channel state information is... | [
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{
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{
"author_id": "n bonneau_1",
"name": "Nicolas Bonneau",
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},
{
"author_id": "m debbah_1",
"name": "Mérouane Debbah",
"publication_history": null,
"h_index": null,
"num_papers": null... | null |
3058750 | 0707.0055 | 2007-06-30 | The interface free energy: Comparison of accurate Monte Carlo results for the 3D Ising model with effective interface models | We provide accurate Monte Carlo results for the free energy of interfaces with periodic boundary conditions in the 3D Ising model. We study a large range of inverse temperatures, allowing to control corrections to scaling. In addition to square interfaces, we study rectangular interfaces for a large range of aspect rat... | [
"hep-lat",
"cond-mat.soft",
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
53392875 | 0707.0073 | 2007-06-30 | The Percolation Signature of the Spin Glass Transition | Magnetic ordering at low temperature for Ising ferromagnets manifests itself within the associated Fortuin-Kasteleyn (FK) random cluster representation as the occurrence of a single positive density percolating network. In this paper we investigate the percolation signature for Ising spin glass ordering -- both in shor... | [
"cond-mat.stat-mech",
"cond-mat.dis-nn"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16777 | 0707.0048 | 2007-06-30 | The Series Product and Its Application to Quantum Feedforward and Feedback Networks | The purpose of this paper is to present simple and general algebraic methods for describing series connections in quantum networks. These methods build on and generalize existing methods for series (or cascade) connections by allowing for more general interfaces, and by introducing an efficient algebraic tool, the seri... | [
"quant-ph"
] | null | [
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] | null | null | null |
9793105 | 0707.0114 | 2007-07-01 | Viral population estimation using pyrosequencing | The diversity of virus populations within single infected hosts presents a major difficulty for the natural immune response as well as for vaccine design and antiviral drug therapy. Recently developed pyrophosphate based sequencing technologies (pyrosequencing) can be used for quantifying this diversity by ultra-deep s... | [
"q-bio.PE"
] | null | [
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{
"author_id": "n eriksson_1",
"name": "Nicholas Eriksson",
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{
"author_id": "l pachter_1",
"name": "Lior [\"S.\"] Pachter",
"publication_history": null,
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264757974 | 0707.0305 | 2007-07-02 | The Quasar Accretion Disk Size - Black Hole Mass Relation | We use the microlensing variability observed for nine gravitationally lensed quasars to show that the accretion disk size at 2500 Angstroms is related to the black hole mass by log(R_2500/cm) = (15.6+-0.2) + (0.54+-0.28)log(M_BH/10^9M_sun). This scaling is consistent with the expectation from thin disk theory (R ~ M_BH... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6143858 | 0707.0245 | 2007-07-02 | Relating Neural Dynamics to Neural Coding | We demonstrate that two key theoretical objects used widely in Computational Neuroscience, the phase-resetting curve (PRC) from dynamics and the spike triggered average (STA) from statistical analysis, are closely related under a wide range of stimulus conditions. We prove that the STA is proportional to the derivative... | [
"q-bio.NC"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15502255 | 0707.0313 | 2007-07-02 | Differential Equations Driven by Gaussian Signals I | We consider multi-dimensional Gaussian processes and give a new condition on the covariance, simple and sharp, for the existence of stochastic area(s). Gaussian rough paths are constructed with a variety of weak and strong approximation results. Together with a new RKHS embedding, we obtain a powerful - yet conceptuall... | [
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16888697 | 0707.0169 | 2007-07-02 | The James Clerk Maxwell Telescope Legacy Survey of Nearby Star-forming Regions in the Gould Belt | This paper describes a James Clerk Maxwell Telescope (JCMT) legacy survey that has been awarded roughly 500 hrs of observing time to be carried out from 2007 to 2009. In this survey we will map with SCUBA-2 (Submillimetre Common User Bolometer Array 2) almost all of the well-known low-mass and intermediate-mass star-fo... | [
"astro-ph"
] | null | [
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{
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"name": "Derek Ward-Thompson",
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{
"author_id": "j di francesco_1",
"name": "James di Francesco",
"publication_history": null,
"h_index": null,
... | null |
15122084 | 0707.0167 | 2007-07-02 | The random Tukey depth | The computation of the Tukey depth, also called halfspace depth, is very demanding, even in low dimensional spaces, because it requires the consideration of all possible one-dimensional projections. In this paper we propose a random depth which approximates the Tukey depth. It only takes into account a finite number of... | [
"stat.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
4696321 | 0707.0301 | 2007-07-02 | Anatomy of the binary black hole recoil: A multipolar analysis | We present a multipolar analysis of the gravitational recoil computed in recent numerical simulations of binary black hole (BH) coalescence, for both unequal masses and non-zero, non-precessing spins. We show that multipole moments up to and including l=4 are sufficient to accurately reproduce the final recoil velocity... | [
"gr-qc",
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] | null | [
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{
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"name": "Jeremy [\"D.\"] Schnittman",
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{
"author_id": "a buonanno_2",
"name": "Alessandra Buonanno",
"publication_history": null,
"h_index": null,
... | null |
18857299 | 0707.0230 | 2007-07-02 | Positive Forms and Stability of Linear Time-Delay Systems | We consider the problem of constructing Lyapunov functions for linear differential equations with delays. For such systems it is known that exponential stability implies the existence of a positive Lyapunov function which is quadratic on the space of continuous functions. We give an explicit parametrization of a sequen... | [
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{
"author_id": "m peet_1",
"name": "Matthew [\"M.\"] Peet",
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{
"author_id": "a papachristodoulou_1",
"name": "Antonis Papachristodoulou",
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"h_index": null... | null |
117029547 | 0707.0270 | 2007-07-02 | The Sagnac effect in superfluids | We comment on the interpretation of absolute rotation measurements with superfluids, which involve the Sagnac effect. This effect, first observed in rotating optical interferometers, has now been seen in a host of different physical systems, ranging from atomic clocks to electrons, neutrons, atomic beams, ... We show t... | [
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{
"author_id": "e varoquaux_0",
"name": "E. [\"J.\"] Varoquaux",
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"author_id": "g varoquaux_1",
"name": "Gaël Varoquaux",
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1496422 | 0707.0367 | 2007-07-03 | Radial Dunkl Processes : Existence and uniqueness, Hitting time, Beta Processes and Random Matrices | We begin with the study of some properties of the radial Dunkl process associated to a reduced root system $R$. It is shown that this diffusion is the unique strong solution for all $t \geq 0$ of a SDE with singular drift. Then, we study $T_0$, the first hitting time of the positive Weyl chamber : we prove, via stochas... | [
"math.PR"
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{
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{
"author_id": "n demni_1",
"name": "Nizar Demni",
"publication_history": null,
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}
] | null |
117761149 | 0707.0444 | 2007-07-03 | Necessary and Sufficient Conditions for the Trumping Relation | Entanglement catalysis allows one to convert certain entangled states into others by the temporary involvement of another entangled state (so-called catalyst), where after the conversion the catalyst is returned to the same state. For bipartite pure entangled states that can be transformed in this way with unit probabi... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
9586523 | 0707.0469 | 2007-07-03 | WMAP 3yr data with the CCA: anomalous emission and impact of component separation on the CMB power spectrum | The Correlated Component Analysis (CCA) allows us to estimate how the different diffuse emissions mix in CMB experiments, exploiting also complementary information from other surveys. It is especially useful to deal with possible additional components. An application of CCA to WMAP maps assuming that only the canonical... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
9082838 | 0707.0323 | 2007-07-03 | Interference Alignment and the Degrees of Freedom for the K User Interference Channel | While the best known outerbound for the K user interference channel states that there cannot be more than K/2 degrees of freedom, it has been conjectured that in general the constant interference channel with any number of users has only one degree of freedom. In this paper, we explore the spatial degrees of freedom pe... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
55611838 | 0707.0417 | 2007-07-03 | Efficient identification of exoplanetary transit candidates from SuperWASP light curves | Transiting extrasolar planets constitute only a small fraction of the range of stellar systems found to display periodic, shallow dimmings in wide-field surveys employing small-aperture camera arrays. Here we present an efficient selection strategy for follow-up observations, derived from analysis of the light curves o... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
344635 | 0707.0438 | 2007-07-03 | High Performance Direct Gravitational N-body Simulations on Graphics Processing Units -- II: An implementation in CUDA | We present the results of gravitational direct $N$-body simulations using the Graphics Processing Unit (GPU) on a commercial NVIDIA GeForce 8800GTX designed for gaming computers. The force evaluation of the $N$-body problem is implemented in ``Compute Unified Device Architecture'' (CUDA) using the GPU to speed-up the c... | [
"astro-ph",
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] | null | [
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{
"author_id": "r belleman_0",
"name": "Robert [\"G.\"] Belleman",
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{
"author_id": "j bédorf_1",
"name": "Jeroen Bédorf",
"publication_history": null,
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330965 | 0707.0503 | 2007-07-03 | Spin-Orbit Alignment for the Eccentric Exoplanet HD 147506b | The short-period exoplanet HD 147506b (also known as HAT-P-2b) has an eccentric orbit, raising the possibility that it migrated through planet-planet scattering or Kozai oscillations accompanied by tidal dissipation. Either of these scenarios could have significantly tilted the orbit relative to the host star's equator... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
12943823 | 0707.0480 | 2007-07-03 | Entropic Effects in the Very Low Temperature Regime of Diluted Ising Spin Glasses with Discrete Couplings | We study link-diluted $\pm J$ Ising spin glass models on the hierarchical lattice and on a three-dimensional lattice close to the percolation threshold. We show that previously computed zero temperature fixed points are unstable with respect to temperature perturbations and do not belong to any critical line in the dil... | [
"cond-mat.dis-nn",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
9978897 | 0707.0481 | 2007-07-03 | Treelets--An adaptive multi-scale basis for sparse unordered data | In many modern applications, including analysis of gene expression and text documents, the data are noisy, high-dimensional, and unordered--with no particular meaning to the given order of the variables. Yet, successful learning is often possible due to sparsity: the fact that the data are typically redundant with unde... | [
"stat.ME"
] | null | [
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{
"author_id": "a lee_12",
"name": "Ann [\"B.\"] Lee",
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{
"author_id": "b nadler_1",
"name": "Boaz Nadler",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
71815 | 0707.0459 | 2007-07-03 | Physical Network Coding in Two-Way Wireless Relay Channels | It has recently been recognized that the wireless networks represent a fertile ground for devising communication modes based on network coding. A particularly suitable application of the network coding arises for the two--way relay channels, where two nodes communicate with each other assisted by using a third, relay n... | [
"cs.IT",
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"math.IT"
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{
"author_id": "p popovski_1",
"name": "Petar Popovski",
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{
"author_id": "h yomo_1",
"name": "Hiroyuki Yomo",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
15890157 | 0707.0344 | 2007-07-03 | Large deviations for symmetrised empirical measures | In this paper we prove a Large Deviation Principle for the sequence of symmetrised empirical measures $\frac{1}{n} \sum_{i=1}^{n} \delta_{(X^n_i,X^n_{\sigma_n(i)})}$ where $\sigma_n$ is a random permutation and $((X_i^n)_{1 \leq i \leq n})_{n \geq 1}$ is a triangular array of random variables with suitable properties. ... | [
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2142440 | 0707.0449 | 2007-07-03 | Optical spectroscopy of the low mass X-ray binary GX9+9 | Phase-resolved medium resolution VLT spectroscopy of the low mass X-ray binary GX9+9 has revealed narrow CIII emission lines that move in phase relative to our new estimate of the ephemeris, and show a velocity amplitude of 230+/-35 km/s. We identify the origin of these lines as coming from the surface of the donor sta... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13444529 | 0707.0463 | 2007-07-03 | Blind Estimation of Multiple Carrier Frequency Offsets | Multiple carrier-frequency offsets (CFO) arise in a distributed antenna system, where data are transmitted simultaneously from multiple antennas. In such systems the received signal contains multiple CFOs due to mismatch between the local oscillators of transmitters and receiver. This results in a time-varying rotation... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
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{
"author_id": "y yu_127",
"name": "Yuanning Yu",
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{
"author_id": "a petropulu_1",
"name": "Athina [\"P.\"] Petropulu",
"publication_history": null,
"h_index": null,
"num_papers"... | null |
118036461 | 0707.0510 | 2007-07-03 | Computational coarse graining of a randomly forced 1-D Burgers equation | We explore a computational approach to coarse graining the evolution of the large-scale features of a randomly forced Burgers equation in one spatial dimension. The long term evolution of the solution energy spectrum appears self-similar in time. We demonstrate coarse projective integration and coarse dynamic renormali... | [
"physics.comp-ph"
] | null | [
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{
"author_id": "s ahuja_4",
"name": "Sajeev Ahuja",
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{
"author_id": "v yakhot_0",
"name": "Victor Yakhot",
"publication_history": null,
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"num_papers": null,
"... | null |
2991792 | 0707.0568 | 2007-07-04 | Optimal Linear Precoding Strategies for Wideband Non-Cooperative Systems based on Game Theory-Part I: Nash Equilibria | In this two-parts paper we propose a decentralized strategy, based on a game-theoretic formulation, to find out the optimal precoding/multiplexing matrices for a multipoint-to-multipoint communication system composed of a set of wideband links sharing the same physical resources, i.e., time and bandwidth. We assume, as... | [
"cs.IT",
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"math.IT"
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{
"author_id": "g scutari_1",
"name": "Gesualdo Scutari",
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{
"author_id": "d palomar_1",
"name": "Daniel [\"Pérez\"] Palomar",
"publication_history": null,
"h_index": null,
"num_... | null |
119312788 | 0707.0636 | 2007-07-04 | Model-independent constraints on Delta F=2 operators and the scale of New Physics | We update the constraints on new-physics contributions to Delta F=2 processes from the generalized unitarity triangle analysis, including the most recent experimental developments. Based on these constraints, we derive upper bounds on the coefficients of the most general Delta F=2 effective Hamiltonian. These upper bou... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10293888 | 0707.0604 | 2007-07-04 | Not-so-normal mode decomposition | We provide a generalization of the normal mode decomposition for non-symmetric or locality constrained situations. This allows for instance to locally decouple a bipartitioned collection of arbitrarily correlated oscillators up to elementary pairs into which all correlations are condensed. Similarly, it enables us to d... | [
"quant-ph",
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119294651 | 0707.0534 | 2007-07-04 | Anti-Hyperon polarization in high energy pp collisions with polarized beams | We study the longitudinal polarization of the Sigma_bar and Xi_bar anti-hyperons in polarized high energy pp collisions at large transverse momenta, extending a recent study for the Lambda_bar anti-hyperon. We make predictions by using different parametrizations of the polarized parton densities and models for the pola... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1548231 | 0707.0701 | 2007-07-04 | Clustering and Feature Selection using Sparse Principal Component Analysis | In this paper, we study the application of sparse principal component analysis (PCA) to clustering and feature selection problems. Sparse PCA seeks sparse factors, or linear combinations of the data variables, explaining a maximum amount of variance in the data while having only a limited number of nonzero coefficients... | [
"cs.AI",
"cs.LG",
"cs.MS"
] | null | [
"target.author.publication_history"
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{
"author_id": "r luss_1",
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{
"author_id": "a d'aspremont_2",
"name": "Alexandre d'Aspremont",
"publication_history": null,
"h_index": null,
"num_papers": n... | null |
7312225 | 0707.0648 | 2007-07-04 | Dial a Ride from k-forest | The k-forest problem is a common generalization of both the k-MST and the dense-$k$-subgraph problems. Formally, given a metric space on $n$ vertices $V$, with $m$ demand pairs $\subseteq V \times V$ and a ``target'' $k\le m$, the goal is to find a minimum cost subgraph that connects at least $k$ demand pairs. In this ... | [
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{
"author_id": "a gupta_108",
"name": "Anupam Gupta",
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{
"author_id": "m hajiaghayi_1",
"name": "Mohammad [\"Taghi\"] Hajiaghayi",
"publication_history": null,
"h_index": null,
"... | null |
1630408 | 0707.0521 | 2007-07-04 | The distance to the Fornax Dwarf Spheroidal Galaxy | A large multicolour, wide-field photometric database of the Fornax dwarf spheroidal galaxy has been analysed using three different methods to provide revised distance estimates based on stellar populations in different age intervals. The distance to Fornax was obtained from the Tip of the Red Giant Branch measured by a... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13631777 | 0707.0536 | 2007-07-04 | Adaptive FDR control under independence and dependence | In the context of multiple hypotheses testing, the proportion $\pi_0$ of true null hypotheses in the pool of hypotheses to test often plays a crucial role, although it is generally unknown a priori. A testing procedure using an implicit or explicit estimate of this quantity in order to improve its efficency is called a... | [
"math.ST",
"stat.TH"
] | null | [
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] | [] | [
{
"author_id": "g blanchard_1",
"name": "Gilles Blanchard",
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{
"author_id": "é roquain_1",
"name": "Étienne Roquain",
"publication_history": null,
"h_index": null,
"num_papers": ... | null |
3203913 | 0707.0649 | 2007-07-04 | Sphere Lower Bound for Rotated Lattice Constellations in Fading Channels | We study the error probability performance of rotated lattice constellations in frequency-flat Nakagami-$m$ block-fading channels. In particular, we use the sphere lower bound on the underlying infinite lattice as a performance benchmark. We show that the sphere lower bound has full diversity. We observe that optimally... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15478415 | 0707.0609 | 2007-07-04 | Maps of random walks on complex networks reveal community structure | To comprehend the multipartite organization of large-scale biological and social systems, we introduce a new information theoretic approach that reveals community structure in weighted and directed networks. The method decomposes a network into modules by optimally compressing a description of information flows on the ... | [
"physics.soc-ph",
"cond-mat.dis-nn",
"physics.data-an"
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{
"author_id": "m rosvall_1",
"name": "Martin Rosvall",
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},
{
"author_id": "c bergstrom_1",
"name": "Carl [\"T.\"] Bergstrom",
"publication_history": null,
"h_index": null,
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118291470 | 0707.0776 | 2007-07-05 | Damping of bulk excitations over an elongated BEC - the role of radial modes | We report the measurement of Beliaev damping of bulk excitations in cigar shaped Bose Einstein condensates of atomic vapor. By using post selection, excitation line shapes of the total population are compared with those of the undamped excitations. We find that the damping depends on the initial excitation energy of th... | [
"cond-mat.other"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "e rowen_1",
"name": "Eitan [\"Emanuel\"] Rowen",
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{
"author_id": "n bar-gill_1",
"name": "Nir Bar-Gill",
"publication_history": null,
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"num_papers... | null |
16250070 | 0707.0901 | 2007-07-05 | Effect of time delay on feedback control of a flashing ratchet | It was recently shown that the use of feedback control can improve the performance of a flashing ratchet. We investigate the effect of a time delay in the implementation of feedback control in a closed-loop collective flashing ratchet, using Langevin dynamics simulations. Surprisingly, for a large ensemble, a well-chos... | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6874315 | 0707.0808 | 2007-07-05 | The Cyborg Astrobiologist: Porting from a wearable computer to the Astrobiology Phone-cam | We have used a simple camera phone to significantly improve an `exploration system' for astrobiology and geology. This camera phone will make it much easier to develop and test computer-vision algorithms for future planetary exploration. We envision that the `Astrobiology Phone-cam' exploration system can be fruitfully... | [
"cs.CV",
"astro-ph",
"cs.AI",
"cs.CE",
"cs.HC",
"cs.NI",
"cs.RO",
"cs.SE"
] | null | [
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{
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{
"corpus_id": "3265768",
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] | [
{
"author_id": "a bartolo_2",
"name": "Alexandra Bartolo",
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{
"author_id": "p mcguire_1",
"name": "Patrick [\"C.\"] McGuire",
"publication_history": null,
"h_index": null,
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14704577 | 0707.0858 | 2007-07-05 | Tracing Magnetic Fields with Aligned Grains | Magnetic fields play a crucial role in various astrophysical processes, including star formation, accretion of matter, transport processes (e.g., transport of heat), and cosmic rays. One of the easiest ways to determine the magnetic field direction is via polarization of radiation resulting from extinction on or/and em... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13223078 | 0707.0860 | 2007-07-05 | On the Minimum Number of Transmissions in Single-Hop Wireless Coding Networks | The advent of network coding presents promising opportunities in many areas of communication and networking. It has been recently shown that network coding technique can significantly increase the overall throughput of wireless networks by taking advantage of their broadcast nature. In wireless networks, each transmitt... | [
"cs.IT",
"cs.NI",
"math.IT"
] | null | [
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{
"author_id": "s rouayheb_1",
"name": "Salim [\"Y.\",\"El\"] Rouayheb",
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{
"author_id": "m chaudhry_2",
"name": "Mohammad [\"Asad\",\"R.\"] Chaudhry",
"publication_history": null,
"... | null |
14370022 | 0707.0690 | 2007-07-05 | Characterizing Supernova Progenitors via the Metallicities of their Host Galaxies, from Poor Dwarfs to Rich Spirals | We investigate how the different types of supernovae are relatively affected by the metallicity of their host galaxy. We match the SAI Supernova Catalog to the SDSS-DR4 catalog of star-forming galaxies with measured metallicities. These supernova host galaxies span a range of oxygen abundance from 12 + log(O/H) = 7.9 t... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10145296 | 0707.0796 | 2007-07-05 | Performance of Linear Field Reconstruction Techniques with Noise and Uncertain Sensor Locations | We consider a wireless sensor network, sampling a bandlimited field, described by a limited number of harmonics. Sensor nodes are irregularly deployed over the area of interest or subject to random motion; in addition sensors measurements are affected by noise. Our goal is to obtain a high quality reconstruction of the... | [
"cs.OH"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "a nordio_1",
"name": "Alessandro Nordio",
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},
{
"author_id": "c chiasserini_1",
"name": "Carla-Fabiana Chiasserini",
"publication_history": null,
"h_index": null,
"n... | null |
3261872 | 0707.0871 | 2007-07-05 | Optimal Linear Precoding Strategies for Wideband Non-Cooperative Systems based on Game Theory-Part II: Algorithms | In this two-part paper, we address the problem of finding the optimal precoding/multiplexing scheme for a set of non-cooperative links sharing the same physical resources, e.g., time and bandwidth. We consider two alternative optimization problems: P.1) the maximization of mutual information on each link, given constra... | [
"cs.IT",
"cs.GT",
"math.IT"
] | null | [
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{
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] | [
{
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{
"author_id": "d palomar_1",
"name": "Daniel [\"Pérez\"] Palomar",
"publication_history": null,
"h_index": null,
"num_... | null |
12284699 | 0707.0805 | 2007-07-05 | A New Generalization of Chebyshev Inequality for Random Vectors | In this article, we derive a new generalization of Chebyshev inequality for random vectors. We demonstrate that the new generalization is much less conservative than the classical generalization. | [
"math.ST",
"cs.LG",
"math.PR",
"stat.AP",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10399146 | 0707.0802 | 2007-07-05 | Very fast watermarking by reversible contrast mapping | Reversible contrast mapping (RCM) is a simple integer transform that applies to pairs of pixels. For some pairs of pixels, RCM is invertible, even if the least significant bits (LSBs) of the transformed pixels are lost. The data space occupied by the LSBs is suitable for data hiding. The embedded information bit-rates ... | [
"cs.MM",
"cs.CR",
"cs.CV",
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
4494981 | 0707.0756 | 2007-07-05 | Communicability in complex networks | Many topological and dynamical properties of complex networks are defined by assuming that most of the transport on the network flows along the shortest paths. However, there are different scenarios in which non-shortest paths are used to reach the network destination. Thus the consideration of the shortest paths only ... | [
"physics.soc-ph",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
38754 | 0707.0909 | 2007-07-06 | Spectrum Sensing in Cognitive Radios Based on Multiple Cyclic Frequencies | Cognitive radios sense the radio spectrum in order to find unused frequency bands and use them in an agile manner. Transmission by the primary user must be detected reliably even in the low signal-to-noise ratio (SNR) regime and in the face of shadowing and fading. Communication signals are typically cyclostationary, a... | [
"cs.IT",
"math.IT"
] | null | [
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{
"author_id": "j lundén_1",
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},
{
"author_id": "v koivunen_1",
"name": "Visa Koivunen",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
4653296 | 0707.0963 | 2007-07-06 | Randomized Benchmarking of Quantum Gates | A key requirement for scalable quantum computing is that elementary quantum gates can be implemented with sufficiently low error. One method for determining the error behavior of a gate implementation is to perform process tomography. However, standard process tomography is limited by errors in state preparation, measu... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1182 | 0707.1057 | 2007-07-06 | For-profit mediators in sponsored search advertising | A mediator is a well-known construct in game theory, and is an entity that plays on behalf of some of the agents who choose to use its services, while the rest of the agents participate in the game directly. We initiate a game theoretic study of sponsored search auctions, such as those used by Google and Yahoo!, involv... | [
"cs.GT"
] | null | [
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] | [] | [
{
"author_id": "s singh_6",
"name": "Sudhir [\"Kumar\"] Singh",
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},
{
"author_id": "v roychowdhury_1",
"name": "Vwani [\"P.\"] Roychowdhury",
"publication_history": null,
"h_index": nul... | null |
16445333 | 0707.1053 | 2007-07-06 | Exploration via design and the cost of uncertainty in keyword auctions | We present a deterministic exploration mechanism for sponsored search auctions, which enables the auctioneer to learn the relevance scores of advertisers, and allows advertisers to estimate the true value of clicks generated at the auction site. This exploratory mechanism deviates only minimally from the mechanism bein... | [
"cs.GT"
] | null | [
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] | [] | [
{
"author_id": "s singh_6",
"name": "Sudhir [\"Kumar\"] Singh",
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},
{
"author_id": "v roychowdhury_1",
"name": "Vwani [\"P.\"] Roychowdhury",
"publication_history": null,
"h_index": nul... | null |
3195255 | 0707.0978 | 2007-07-06 | When Network Coding and Dirty Paper Coding meet in a Cooperative Ad Hoc Network | We develop and analyze new cooperative strategies for ad hoc networks that are more spectrally efficient than classical DF cooperative protocols. Using analog network coding, our strategies preserve the practical half-duplex assumption but relax the orthogonality constraint. The introduction of interference due to non-... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "n fawaz_1",
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},
{
"author_id": "d gesbert_1",
"name": "David Gesbert",
"publication_history": null,
"h_index": null,
"num_papers": null,
"... | null |
2287422 | 0707.1295 | 2007-07-06 | Efficient supervised learning in networks with binary synapses | Recent experimental studies indicate that synaptic changes induced by neuronal activity are discrete jumps between a small number of stable states. Learning in systems with discrete synapses is known to be a computationally hard problem. Here, we study a neurobiologically plausible on-line learning algorithm that deriv... | [
"q-bio.NC",
"cond-mat.stat-mech",
"cs.NE",
"q-bio.QM"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14419581 | 0707.1008 | 2007-07-06 | On Cognitive Interference Networks | We study the high-power asymptotic behavior of the sum-rate capacity of multi-user interference networks with an equal number of transmitters and receivers. We assume that each transmitter is cognizant of the message it wishes to convey to its corresponding receiver and also of the messages that a subset of the other t... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history",
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] | [
{
"corpus_id": "2750683",
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}
] | [
{
"author_id": "a lapidoth_1",
"name": "Amos Lapidoth",
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},
{
"author_id": "s shamai_1",
"name": "Shlomo Shamai",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
2579065 | 0707.0969 | 2007-07-06 | Resource Allocation for Wireless Fading Relay Channels: Max-Min Solution | As a basic information-theoretic model for fading relay channels, the parallel relay channel is first studied, for which lower and upper bounds on the capacity are derived. For the parallel relay channel with degraded subchannels, the capacity is established, and is further demonstrated via the Gaussian case, for which... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "y liang_86",
"name": "Yingbin Liang",
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},
{
"author_id": "v veeravalli_1",
"name": "Venugopal [\"V.\"] Veeravalli",
"publication_history": null,
"h_index": null,
"nu... | null |
10095244 | 0707.1051 | 2007-07-06 | Noisy Sorting Without Resampling | In this paper we study noisy sorting without re-sampling. In this problem there is an unknown order $a_{\pi(1)} < ... < a_{\pi(n)}$ where $\pi$ is a permutation on $n$ elements. The input is the status of $n \choose 2$ queries of the form $q(a_i,x_j)$, where $q(a_i,a_j) = +$ with probability at least $1/2+\ga$ if $\pi(... | [
"cs.DS"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "m braverman_1",
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},
{
"author_id": "e mossel_1",
"name": "Elchanan Mossel",
"publication_history": null,
"h_index": null,
"num_papers": nul... | null |
13579933 | 0707.1074 | 2007-07-07 | Quantum Dissipative Systems and Feedback Control Design by Interconnection | The purpose of this paper is to extend J.C. Willems' theory of dissipative systems to the quantum domain. This general theory, which combines perspectives from the quantum physics and control engineering communities, provides useful methods for analysis and design of dissipative quantum systems. We describe the interac... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119574688 | 0707.1138 | 2007-07-08 | The transition form factors for semi-leptonic weak decays of $J/\psi$ in QCD sum rules | Within the Standard Model, we investigate the semi-leptonic weak decays of $J/\psi$. The various form factors of $J/\psi$ transiting to a single charmed meson ($D^{(*)}_{(d,s)}$) are studied in the framework of the QCD sum rules. These form factors fully determine the rates of the weak semi-leptonic decays of $J/\psi$ ... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16286084 | 0707.1290 | 2007-07-09 | Smoothness Theorem for Differential BV Algebras | Associated to a differential BV algebra are two differential graded Lie algebras: we call one classical and the other, which contains a formal h-bar parameter, quantum. The classical dgLa is always smooth formal. In this paper, we give necessary and sufficient conditions for the quantum dgLa to be smooth formal. These ... | [
"math.QA"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j terilla_1",
"name": "John Terilla",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
15345082 | 0707.1153 | 2007-07-09 | MHV Amplitudes in N=4 Super Yang-Mills and Wilson Loops | It is a remarkable fact that MHV amplitudes in maximally supersymmetric Yang-Mills theory at arbitrary loop order can be written as the product of the tree amplitude with the same helicity configuration and a universal, helicity-blind function of the kinematic invariants. In this note we show how for one-loop MHV ampli... | [
"hep-th",
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
299798 | 0707.1063 | 2007-07-09 | High-resolution distributed sampling of bandlimited fields with low-precision sensors | The problem of sampling a discrete-time sequence of spatially bandlimited fields with a bounded dynamic range, in a distributed, communication-constrained, processing environment is addressed. A central unit, having access to the data gathered by a dense network of fixed-precision sensors, operating under stringent int... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a kumar_44",
"name": "Animesh Kumar",
"publication_history": null,
"h_index": null,
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"num_citations": null
},
{
"author_id": "p ishwar_1",
"name": "Prakash Ishwar",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
15510962 | 0707.1470 | 2007-07-10 | Secrecy Capacity Region of Fading Broadcast Channels | The fading broadcast channel with confidential messages (BCC) is investigated, where a source node has common information for two receivers (receivers 1 and 2), and has confidential information intended only for receiver 1. The confidential information needs to be kept as secret as possible from receiver 2. The channel... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "y liang_86",
"name": "Yingbin Liang",
"publication_history": null,
"h_index": null,
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"num_citations": null
},
{
"author_id": "h poor_1",
"name": "H. [\"Vincent\"] Poor",
"publication_history": null,
"h_index": null,
"num_papers": nul... | null |
16555545 | 0707.1445 | 2007-07-10 | Invariant measure for a three dimensional nonlinear wave equation | We study the long time behavior of the subcritical (subcubic) defocussing nonlinear wave equation on the three dimensional ball, for random data of low regularity. We prove that for a large set of radial initial data in $\cap_{s<1/2} H^s(B(0,1))$ the equation is (globally in time) well posed and we construct an invaria... | [
"math.AP",
"math.DS"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15675844 | 0707.1378 | 2007-07-10 | Pileup subtraction using jet areas | One of the major challenges for the LHC will be to extract precise information from hadronic final states in the presence of the large number of additional soft pp collisions, pileup, that occur simultaneously with any hard interaction in high luminosity runs. We propose a novel technique, based on jet areas, that prov... | [
"hep-ph",
"hep-ex"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119282049 | 0707.1454 | 2007-07-10 | Algorithms for entanglement renormalization | We describe an iterative method to optimize the multi-scale entanglement renormalization ansatz (MERA) for the low-energy subspace of local Hamiltonians on a D-dimensional lattice. For translation invariant systems the cost of this optimization is logarithmic in the linear system size. Specialized algorithms for the tr... | [
"cond-mat.str-el",
"cond-mat.other",
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
47023990 | 0707.1532 | 2007-07-10 | Sorting and Selection in Posets | Classical problems of sorting and searching assume an underlying linear ordering of the objects being compared. In this paper, we study a more general setting, in which some pairs of objects are incomparable. This generalization is relevant in applications related to rankings in sports, college admissions, or conferenc... | [
"cs.DS",
"cs.DM"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "c daskalakis_1",
"name": "Constantinos Daskalakis",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "r karp_1",
"name": "Richard [\"M.\"] Karp",
"publication_history": null,
"h_index": null,
"nu... | null |
14146080 | 0707.1570 | 2007-07-11 | About the isotropy constant of random convex sets | Let K be the symmetric convex hull of m independent random vectors uniformly distributed on the unit sphere of R^n. We prove that, for every $\delta>0$, the isotropy constant of K is bounded by a constant $c(\delta)$ with high probability, provided that $m\geq (1+\delta)n$. | [
"math.MG",
"math.FA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119153344 | 0707.1596 | 2007-07-11 | From Useful Algorithms for Slowly Convergent Series to Physical Predictions Based on Divergent Perturbative Expansions | This review is focused on the borderline region of theoretical physics and mathematics. First, we describe numerical methods for the acceleration of the convergence of series. These provide a useful toolbox for theoretical physics which has hitherto not received the attention it actually deserves. The unifying concept ... | [
"physics.comp-ph",
"physics.atom-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118594061 | 0707.1578 | 2007-07-11 | Entangled multi-qubit states without higher-tangle | We analyze mixed multi-qubit states composed of a W class state and a product state with all qubit in |0>. We find the optimal pure state decomposition and convex roofs for higher-tangle with bipartite partition between one qubit and the rest qubits for those mixed states. The optimality of the decomposition is ensured... | [
"quant-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "h fan_16",
"name": "Heng Fan",
"publication_history": null,
"h_index": null,
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},
{
"author_id": "y ou_15",
"name": "Yong-Cheng Ou",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_cita... | null |
10818093 | 0707.1714 | 2007-07-11 | Sampling Algorithms and Coresets for Lp Regression | The Lp regression problem takes as input a matrix $A \in \Real^{n \times d}$, a vector $b \in \Real^n$, and a number $p \in [1,\infty)$, and it returns as output a number ${\cal Z}$ and a vector $x_{opt} \in \Real^d$ such that ${\cal Z} = \min_{x \in \Real^d} ||Ax -b||_p = ||Ax_{opt}-b||_p$. In this paper, we construct... | [
"cs.DS"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference",
"target.key_reference"
] | [] | [
{
"author_id": "a dasgupta_4",
"name": "Anirban Dasgupta",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "p drineas_1",
"name": "Petros Drineas",
"publication_history": null,
"h_index": null,
"num_papers": nu... | null |
16100836 | 0707.1597 | 2007-07-11 | Toric Resolutions of Heterotic Orbifolds | We investigate resolutions of heterotic orbifolds using toric geometry. Our starting point is provided by the recently constructed heterotic models on explicit blowup of C^n/Z_n singularities. We show that the values of the relevant integrals, computed there, can be obtained as integrals of divisors (complex codimensio... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
115158400 | 0801.3010 | 2007-07-11 | A partial $A_\infty$-structure on the cohomology of $C_n\times C_m$ | Suppose $k$ is a field of characteristic 2, and $n,m\geq 4$ powers of 2. Then the $A_\infty$-structure of the group cohomology algebras $H^*(C_n,k)$ and $H^*(C_m,k)$ are well known. We give results characterizing an $A_\infty$-structure on $H^*(C_n\times C_m,k)$ including limits on non-vanishing low-arity operations an... | [
"math.KT",
"math.AT",
"math.RT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m vejdemo-johansson_1",
"name": "Mikael Vejdemo-Johansson",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
18691603 | 0707.1616 | 2007-07-11 | Modularity and community detection in bipartite networks | The modularity of a network quantifies the extent, relative to a null model network, to which vertices cluster into community groups. We define a null model appropriate for bipartite networks, and use it to define a bipartite modularity. The bipartite modularity is presented in terms of a modularity matrix B; some key ... | [
"physics.data-an",
"cond-mat.stat-mech",
"physics.soc-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
39102022 | 0707.1581 | 2007-07-11 | Statistical Mechanics of the Fluctuating Lattice Boltzmann Equation | We propose a new formulation of the fluctuating lattice Boltzmann equation that is consistent with both equilibrium statististical mechanics and fluctuating hydrodynamics. The formalism is based on a generalized lattice-gas model, with each velocity direction occupied by many particles. We show that the most probable s... | [
"cond-mat.soft"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
59915 | 0707.1644 | 2007-07-11 | Fast and Simple Relational Processing of Uncertain Data | This paper introduces U-relations, a succinct and purely relational representation system for uncertain databases. U-relations support attribute-level uncertainty using vertical partitioning. If we consider positive relational algebra extended by an operation for computing possible answers, a query on the logical level... | [
"cs.DB",
"cs.PF"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
37870623 | 0707.1622 | 2007-07-11 | Dynamic Failure in Amorphous Solids via a Cavitation Instability | The understanding of dynamic failure in amorphous materials via the propagation of free boundaries like cracks and voids must go beyond elasticity theory, since plasticity intervenes in a crucial and poorly understood manner near the moving free boundary. In this Letter we focus on failure via a cavitation instability ... | [
"cond-mat.mtrl-sci",
"cond-mat.dis-nn"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "e bouchbinder_1",
"name": "Eran Bouchbinder",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "t lo_5",
"name": "T. [\"S.\"] Lo",
"publication_history": null,
"h_index": null,
"num_papers": null... | null |
15483178 | 0707.1673 | 2007-07-11 | Disease spreading in populations of moving agents | We study the effect of motion on disease spreading in a system of random walkers which additionally perform long-distance jumps. A small percentage of jumps in the agent motion is sufficient to destroy the local correlations and to produce a large drop in the epidemic threshold, well explained in terms of a mean-field ... | [
"physics.soc-ph",
"physics.bio-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a buscarino_1",
"name": "Arturo Buscarino",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "l fortuna_1",
"name": "Luigi Fortuna",
"publication_history": null,
"h_index": null,
"num_papers": nu... | null |
16278249 | 0707.1698 | 2007-07-11 | The Masses and Shapes of Dark Matter Halos from Galaxy-Galaxy Lensing in the CFHTLS | We present the first galaxy-galaxy weak lensing results using early data from the Canada-France-Hawaii Telescope Legacy Survey (CFHTLS). These results are based on ~22 sq. deg. of i' data. From this data, we estimate the average velocity dispersion for an L* galaxy at a redshift of 0.3 to be 137 +- 11 km/s, with a viri... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "8860559",
"num_citations": null
}
] | [
{
"author_id": "l parker_1",
"name": "Laura [\"C.\"] Parker",
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"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "h hoekstra_1",
"name": "Henk Hoekstra",
"publication_history": null,
"h_index": null,
"num_papers":... | null |
117006183 | 0707.1648 | 2007-07-11 | Evidence for the B0->ppbarK*0 and B+->eta_cK*+ decays and Study of the Decay Dynamics of B Meson Decays into ppbarh Final States | With a sample of 232x10^6 Upsilon(4S)->BBbar events collected with the BaBar detector, we study the decays of B mesons to ppbarh final states, where h=pi+,Ks,K*0 or K*+. We report evidence for the B->ppbarK*0 decay, with a branching fraction (1.5+/-0.5(stat)+/-0.4(syst))x10^-6, and for the B+->eta_cK*+ decay, with the ... | [
"hep-ex"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1595608 | 0707.1883 | 2007-07-12 | Quantum Optimal Control Theory | The control of quantum dynamics via specially tailored laser pulses is a long-standing goal in physics and chemistry. Partly, this dream has come true, as sophisticated pulse shaping experiments allow to coherently control product ratios of chemical reactions. The theoretical design of the laser pulse to transfer an in... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
12582566 | 0707.1792 | 2007-07-12 | Evolution of low-mass star and brown dwarf eclipsing binaries | We examine the evolution of low-mass star and brown dwarf eclipsing binaries. These objects are rapid rotators and are believed to shelter large magnetic fields. We suggest that reduced convective efficiency, due to fast rotation and large field strengths, and/or to magnetic spot coverage of the radiating surface signi... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119628297 | 0707.1889 | 2007-07-12 | Non-Abelian Anyons and Topological Quantum Computation | Topological quantum computation has recently emerged as one of the most exciting approaches to constructing a fault-tolerant quantum computer. The proposal relies on the existence of topological states of matter whose quasiparticle excitations are neither bosons nor fermions, but are particles known as {\it Non-Abelian... | [
"cond-mat.str-el",
"cond-mat.mes-hall"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119305972 | 0707.1858 | 2007-07-12 | Anisotropic surface reaction limited phase transformation dynamics in LiFePO4 | A general continuum theory is developed for ion intercalation dynamics in a single crystal of a rechargeable battery cathode. It is based on an existing phase-field formulation of the bulk free energy and incorporates two crucial effects: (i) anisotropic ionic mobility in the crystal and (ii) surface reactions governin... | [
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "g singh_23",
"name": "G. [\"K.\"] Singh",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "m bazant_1",
"name": "Martin [\"Z.\"] Bazant",
"publication_history": null,
"h_index": null,
"num_paper... | null |
17174387 | 0707.1982 | 2007-07-13 | Nflation: observable predictions from the random matrix mass spectrum | We carry out numerical investigations of the perturbations in Nflation models where the mass spectrum is generated by random matrix theory. The tensor-to-scalar ratio and non-gaussianity are already known to take the single-field values, and so the density perturbation spectral index is the main parameter of interest. ... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "s kim_10",
"name": "Soo [\"A\"] Kim",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "a liddle_1",
"name": "Andrew [\"R.\"] Liddle",
"publication_history": null,
"h_index": null,
"num_papers": ... | null |
14094915 | 0707.2009 | 2007-07-13 | Exit problems associated with affine reflection groups | We obtain a formula for the distribution of the first exit time of Brownian motion from the alcove of an affine Weyl group. In most cases the formula is expressed compactly, in terms of Pfaffians. Expected exit times are derived in the type \~A case. The results extend to other Markov processes. We also give formulas f... | [
"math.PR",
"math.GR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7537981 | 0707.2095 | 2007-07-13 | Universal nature of particle displacements close to glass and jamming transitions | We examine the structure of the distribution of single particle displacements (van-Hove function) in a broad class of materials close to glass and jamming transitions. In a wide time window comprising structural relaxation, van-Hove functions reflect the coexistence of slow and fast particles (dynamic heterogeneity). T... | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1416 | 0707.2014 | 2007-07-13 | On the error exponent of variable-length block-coding schemes over finite-state Markov channels with feedback | The error exponent of Markov channels with feedback is studied in the variable-length block-coding setting. Burnashev's classic result is extended and a single letter characterization for the reliability function of finite-state Markov channels is presented, under the assumption that the channel state is causally obser... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "3943512",
"num_citations": null
}
] | [
{
"author_id": "g como_1",
"name": "Giacomo Como",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "s yüksel_1",
"name": "Serdar Yüksel",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
123391612 | 0707.2069 | 2007-07-13 | Constant Mean Curvature Hypersurfaces in the (n+1)-Sphere by Gluing Spherical Building Blocks | The techniques developed by Butscher in arXiv:math/0703469 for constructing constant mean curvature (CMC) hypersurfaces in the (n+1)-sphere by gluing together spherical building blocks are generalized to handle less symmetric initial configurations. The outcome is that the approximately CMC hypersurface obtained by glu... | [
"math.DG",
"math.AP"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a butscher_1",
"name": "Adrian Butscher",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
1937016 | 0707.2102 | 2007-07-13 | Search for one large extra dimension with the DELPHI detector at LEP2 | Single photons detected by the DELPHI experiment at LEP2 in the years 1997-2000 are used to investigate the existence of a single extra dimension in a modifed ADD scenario with slightly warped large extra dimensions. The data collected at centre-of-mass energies between 180 and 209 GeV for an integrated luminosity of ~... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j abdallah_1",
"name": "Jalal Abdallah",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "p abreu_1",
"name": "Pedro Abreu",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
2435496 | 0707.1954 | 2007-07-13 | Bandlimited Field Reconstruction for Wireless Sensor Networks | Wireless sensor networks are often used for environmental monitoring applications. In this context sampling and reconstruction of a physical field is one of the most important problems to solve. We focus on a bandlimited field and find under which conditions on the network topology the reconstruction of the field is su... | [
"cs.OH"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a nordio_1",
"name": "Alessandro Nordio",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "c chiasserini_1",
"name": "Carla-Fabiana Chiasserini",
"publication_history": null,
"h_index": null,
"n... | null |
16676596 | 0707.2084 | 2007-07-13 | A quantum topological phase transition at the microscopic level | We study a quantum phase transition between a phase which is topologically ordered and one which is not. We focus on a spin model, an extension of the toric code, for which we obtain the exact ground state for all values of the coupling constant that takes the system across the phase transition. We compute the entangle... | [
"cond-mat.str-el",
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16371985 | 0707.2158 | 2007-07-14 | Variable Selection and Model Averaging in Semiparametric Overdispersed Generalized Linear Models | We express the mean and variance terms in a double exponential regression model as additive functions of the predictors and use Bayesian variable selection to determine which predictors enter the model, and whether they enter linearly or flexibly. When the variance term is null we obtain a generalized additive model, w... | [
"stat.ME"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "r cottet_0",
"name": "Remy Cottet",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "r kohn_1",
"name": "Robert Kohn",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_... | null |
1688350 | 0707.2080 | 2007-07-14 | UV Luminosity Functions at z~4, 5, and 6 from the HUDF and other Deep HST ACS Fields: Evolution and Star Formation History | We use the ACS BViz data from the HUDF and all other deep HST ACS fields (including the GOODS fields) to find large samples of star-forming galaxies at z~4 and z~5 and to extend our previous z~6 sample. These samples contain 4671, 1416, and 627 B, V, and i dropouts, respectively, and reach to extremely low luminosities... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1286 | 0707.2191 | 2007-07-15 | Word statistics in Blogs and RSS feeds: Towards empirical universal evidence | We focus on the statistics of word occurrences and of the waiting times between such occurrences in Blogs. Due to the heterogeneity of words' frequencies, the empirical analysis is performed by studying classes of "frequently-equivalent" words, i.e. by grouping words depending on their frequencies. Two limiting cases a... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "18330448",
"num_citations": null
}
] | [
{
"author_id": "r lambiotte_1",
"name": "Renaud Lambiotte",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "m ausloos_1",
"name": "Marcel Ausloos",
"publication_history": null,
"h_index": null,
"num_papers": n... | null |
31910026 | 0707.2214 | 2007-07-15 | Anomalous thermal expansion in $\alpha$-titanium | We provide a complete quantitative explanation for the anisotropic thermal expansion of hcp Ti at low temperature. The observed negative thermal expansion along the c-axis is reproduced theoretically by means of a parameter free theory which involves both the electron and phonon contributions to the free energy. The th... | [
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "p souvatzis_0",
"name": "Petros Souvatzis",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "o eriksson_1",
"name": "Olle Eriksson",
"publication_history": null,
"h_index": null,
"num_papers": n... | null |
14616309 | 0707.2240 | 2007-07-15 | The Eruption from a Sigmoidal Solar Active Region on 2005 May 13 | This paper presents a multiwavelength study of the M8.0 flare and its associated fast halo CME that originated from a bipolar active region NOAA 10759 on 2005 May 13. The source active region has a conspicuous sigmoid structure at TRACE 171 A channel as well as in the SXI soft X-ray images, and we mainly concern oursel... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
9291564 | 0707.2202 | 2007-07-15 | Saturation model in the non-Glauber approach | In this paper a new saturation model is presented. This model is based on the theoretical solution for the generating functional, and it is quite different and not more complicated than the Glauber-like approach used before. The model describes the structure function F_{2} of the proton, as well as the diffractive stru... | [
"hep-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a kormilitzin_1",
"name": "Andrey Kormilitzin",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
9135084 | 0707.2409 | 2007-07-16 | A New Planet Around an M Dwarf: Revealing a Correlation Between Exoplanets and Stellar Mass | We report precise Doppler measurements of GJ317 (M3.5V) that reveal the presence of a planet with a minimum mass Msini = 1.2 Mjup in an eccentric, 692.9 day orbit. GJ317 is only the third M dwarf with a Doppler-detected Jovian planet. The residuals to a single-Keplerian fit show evidence of a possible second orbital co... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8914537 | 0707.2352 | 2007-07-16 | From ballistic to diffusive behavior in periodic potentials | The long-time/large-scale, small-friction asymptotic for the one dimensional Langevin equation with a periodic potential is studied in this paper. It is shown that the Freidlin-Wentzell and central limit theorem (homogenization) limits commute. We prove that, in the combined small friction, long-time/large-scale limit ... | [
"math.PR",
"math.FA"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "m hairer_1",
"name": "Martin Hairer",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "g pavliotis_1",
"name": "Grigorios [\"A.\"] Pavliotis",
"publication_history": null,
"h_index": null,
"num_... | null |
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