corpus_id stringlengths 3 9 | arxiv_id stringlengths 9 16 | date stringdate 1989-10-26 00:00:00 2024-09-30 00:00:00 | title stringlengths 4 240 | abstract stringlengths 3 3.15k | categories listlengths 1 10 | topics listlengths 0 15 ⌀ | roles listlengths 1 4 | key_references listlengths 0 10 ⌀ | authors listlengths 1 5.28k ⌀ | citation_trajectory listlengths 14 26 ⌀ |
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27977451 | 1007.3578 | 2010-07-21 | Stochastic Approximation with Averaging Innovation Applied to Finance | The aim of the paper is to establish a convergence theorem for multi-dimensional stochastic approximation when the "innovations" satisfy some "light" averaging properties in the presence of a pathwise Lyapunov function. These averaging assumptions allow us to unify apparently remote frameworks where the innovations are... | [
"math.PR"
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118604516 | 1007.3655 | 2010-07-21 | Quantum error correction with degenerate codes for correlated noise | We introduce a quantum packing bound on the minimal resources required by nondegenerate error correction codes for any kind of noise. We prove that degenerate codes can outperform nondegenerate ones in the presence of correlated noise, by exhibiting examples where the quantum packing bound is violated. | [
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5581191 | 1007.3706 | 2010-07-21 | Cooperative Convex Optimization in Networked Systems: Augmented Lagrangian Algorithms with Directed Gossip Communication | We study distributed optimization in networked systems, where nodes cooperate to find the optimal quantity of common interest, x=x^\star. The objective function of the corresponding optimization problem is the sum of private (known only by a node,) convex, nodes' objectives and each node imposes a private convex constr... | [
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"name": "João [\"M.\",\"F.\"] Xavier",
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14406192 | 1007.3801 | 2010-07-21 | On the Approximability of Budget Feasible Mechanisms | Budget feasible mechanisms, recently initiated by Singer (FOCS 2010), extend algorithmic mechanism design problems to a realistic setting with a budget constraint. We consider the problem of designing truthful budget feasible mechanisms for general submodular functions: we give a randomized mechanism with approximation... | [
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16013151 | 1007.3624 | 2010-07-21 | Unbounded-error quantum computation with small space bounds | We prove the following facts about the language recognition power of quantum Turing machines (QTMs) in the unbounded error setting: QTMs are strictly more powerful than probabilistic Turing machines for any common space bound $ s $ satisfying $ s(n)=o(\log \log n) $. For "one-way" Turing machines, where the input tape ... | [
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1438075 | 1007.3568 | 2010-07-21 | Achieving the Secrecy Capacity of Wiretap Channels Using Polar Codes | Suppose Alice wishes to send messages to Bob through a communication channel C_1, but her transmissions also reach an eavesdropper Eve through another channel C_2. The goal is to design a coding scheme that makes it possible for Alice to communicate both reliably and securely. Reliability is measured in terms of Bob's ... | [
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"author_id": "a vardy_1",
"name": "Alexander Vardy",
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14169145 | 1007.3661 | 2010-07-21 | Non-Binary Polar Codes using Reed-Solomon Codes and Algebraic Geometry Codes | Polar codes, introduced by Arikan, achieve symmetric capacity of any discrete memoryless channels under low encoding and decoding complexity. Recently, non-binary polar codes have been investigated. In this paper, we calculate error probability of non-binary polar codes constructed on the basis of Reed-Solomon matrices... | [
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"name": "Toshiyuki TANAKA",
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... | null |
8929598 | 1007.3799 | 2010-07-21 | Adapting to the Shifting Intent of Search Queries | Search engines today present results that are often oblivious to abrupt shifts in intent. For example, the query `independence day' usually refers to a US holiday, but the intent of this query abruptly changed during the release of a major film by that name. While no studies exactly quantify the magnitude of intent-shi... | [
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"name": "Aleksandrs Slivkins",
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... | null |
18209736 | 1007.3862 | 2010-07-22 | Breaking an image encryption algorithm based on chaos | Recently, a chaos-based image encryption algorithm called MCKBA (Modified Chaotic-Key Based Algorithm) was proposed. This paper analyzes the security of MCKBA and finds that it can be broken with a differential attack, which requires only four chosen plain-images. Performance of the attack is verified by experimental r... | [
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118673575 | 1007.3897 | 2010-07-22 | Effective Supersymmetry at the LHC | We investigate the phenomenology of Effective Supersymmetry (ESUSY) models wherein electroweak gauginos and third generation scalars have masses up to about 1~TeV while first and second generation scalars lie in the multi-TeV range. Such models ameliorate the SUSY flavor and CP problems via a decoupling solution, while... | [
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"name": "Sabine Kraml",
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118663747 | 1007.3893 | 2010-07-22 | The POWHEG-BOX | We review the key features of POWHEG, a method for interfacing parton-shower Monte Carlo generators to fixed next-to-leading order QCD computations. We describe a recently introduced framework, the POWHEG-BOX, that allows the automatic POWHEG implementation of any given NLO calculation. We present a few results for Hig... | [
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] | null | null | null |
119109082 | 1007.3928 | 2010-07-22 | Flavours of variability: 29 RR Lyrae stars observed with Kepler | We present our analysis of Kepler observations of 29 RR Lyrae stars, based on 138-d of observation. We report precise pulsation periods for all stars. Nine of these stars had incorrect or unknown periods in the literature. Fourteen of the stars exhibit both amplitude and phase Blazhko modulations, with Blazhko periods ... | [
"astro-ph.SR"
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] | null | null | null |
2038048 | 1007.3886 | 2010-07-22 | A Direct Reduction from k-Player to 2-Player Approximate Nash Equilibrium | We present a direct reduction from k-player games to 2-player games that preserves approximate Nash equilibrium. Previously, the computational equivalence of computing approximate Nash equilibrium in k-player and 2-player games was established via an indirect reduction. This included a sequence of works defining the co... | [
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"author_id": "i talgam-cohen_1",
"name": "Inbal Talgam-Cohen",
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119246673 | 1007.3816 | 2010-07-22 | LoCuSS: Calibrating Mass-Observable Scaling Relations for Cluster Cosmology with Subaru Weak Lensing Observations | We present a joint weak-lensing/X-ray study of galaxy cluster mass-observable scaling relations, motivated by the critical importance of accurate calibration of mass proxies for future X-ray missions, including eROSITA. We use a sample of 12 clusters at z\simeq0.2 that we have observed with Subaru and XMM-Newton to con... | [
"astro-ph.CO"
] | null | [
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] | null | null | null |
119165750 | 1007.3899 | 2010-07-22 | A Selection Principle for the Sharp Quantitative Isoperimetric Inequality | We introduce a new variational method for the study of stability in the isoperimetric inequality. The method is quite general as it relies on a penalization technique combined with the regularity theory for quasiminimizers of the perimeter. Two applications are presented. First we give a new proof of the sharp quantita... | [
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"name": "Gian [\"Paolo\"] Leonardi",
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73677504 | 1007.3914 | 2010-07-22 | Anisotropic fluctuations and quasiparticle excitations in FeSe_0.5Te_0.5 | We present data for the temperature dependence of the magnetic penetration depth lambda(T), heat capacity C(T), resistivity R(T) and magnetic torque ?tau for highly homogeneous single crystal samples of Fe1:0Se0:44(4)Te0:56(4). lambda(T) was measured down to 200mK in zero field. We find lambda(T) follows a power law la... | [
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18817313 | 1007.3783 | 2010-07-22 | Magnetic phase transition in V2O3 nanocrystals | V2O3 nanocrystals can be synthesized through hydrothermal reduction of VO(OH)2 using hydrazine as a reducing agent. Addition of different ligands to the reaction produces nanoparticles, nanorods and nanoplatelets of different sizes. Small nanoparticles synthesized in this manner show suppression of the magnetic phase t... | [
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118833950 | 1007.3837 | 2010-07-22 | From weak to strong coupling in ABJM theory | The partition function of N=6 supersymmetric Chern-Simons-matter theory (known as ABJM theory) on S^3, as well as certain Wilson loop observables, are captured by a zero dimensional super-matrix model. This super-matrix model is closely related to a matrix model describing topological Chern-Simons theory on a lens spac... | [
"hep-th"
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18519362 | 1007.4068 | 2010-07-23 | Decoupling data dissemination from the mobile sink's trajectory in wireless sensor networks: Current Research and Open Issues | In this report, firstly, we presents state of the art survey on Data Management and Data Dissemination techniques with Mobile Sink. Moreover we classify these techniques into two ample sub-categories. Under this classification, we identify, review, compare, and highlight these techniques and their pros and cons. We do ... | [
"cs.NI"
] | null | [
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{
"author_id": "m rehmani_1",
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{
"author_id": "a viana_1",
"name": "Aline [\"Carneiro\"] Viana",
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5102929 | 1007.4152 | 2010-07-23 | Approximation of a Maximum-Submodular-Coverage problem involving spectral functions, with application to Experimental Design | We study a family of combinatorial optimization problems defined by a parameter $p\in[0,1]$, which involves spectral functions applied to positive semidefinite matrices, and has some application in the theory of optimal experimental design. This family of problems tends to a generalization of the classical maximum cove... | [
"math.OC",
"math.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
58080346 | 1007.4058 | 2010-07-23 | Empirical results for pedestrian dynamics and their implications for cellular automata models | A large number of models for pedestrian dynamics have been developed over the years. However, so far not much attention has been paid to their quantitative validation. Usually the focus is on the reproduction of empirically observed collective phenomena, as lane formation in counterflow. This can give an indication for... | [
"physics.soc-ph",
"nlin.CG"
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{
"corpus_id": "607180",
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"author_id": "a seyfried_1",
"name": "Armin Seyfried",
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"nu... | null |
11075617 | 1007.4065 | 2010-07-23 | A Tutorial on the Implementation of Ad-hoc On Demand Distance Vector (AODV) Protocol in Network Simulator (NS-2) | The Network Simulator (NS-2) is a most widely used network simulator. It has the capabilities to simulate a range of networks including wired and wireless networks. In this tutorial, we present the implementation of Ad Hoc On-Demand Distance Vector (AODV) Protocol in NS-2. This tutorial is targeted to the novice user w... | [
"cs.NI"
] | null | [
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{
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"author_id": "s doria_0",
"name": "Sidney [\"S.\"] Doria",
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... | null |
118425613 | 1007.4039 | 2010-07-23 | Highly-damped quasi-normal frequencies for piecewise Eckart potentials | Highly-damped quasi-normal frequencies are very often of the form omega_n = (offset) + i n (gap). We investigate the genericity of this phenomenon by considering a model potential that is piecewise Eckart (piecewise Poeschl-Teller), and developing an analytic "quantization condition" for the highly-damped quasi-normal ... | [
"gr-qc",
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1697154 | 1007.4230 | 2010-07-23 | Finding Cycles and Trees in Sublinear Time | We present sublinear-time (randomized) algorithms for finding simple cycles of length at least $k\geq 3$ and tree-minors in bounded-degree graphs. The complexity of these algorithms is related to the distance of the graph from being $C_k$-minor-free (resp., free from having the corresponding tree-minor). In particular,... | [
"cs.DS",
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] | null | [
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] | null | null | null |
27653608 | 1007.4148 | 2010-07-23 | Reconstruction of a Low-rank Matrix in the Presence of Gaussian Noise | In this paper we study the problem of reconstruction of a low-rank matrix observed with additive Gaussian noise. First we show that under mild assumptions (about the prior distribution of the signal matrix) we can restrict our attention to reconstruction methods that are based on the singular value decomposition of the... | [
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2474485 | 1007.4191 | 2010-07-23 | Fast Moment Estimation in Data Streams in Optimal Space | We give a space-optimal algorithm with update time O(log^2(1/eps)loglog(1/eps)) for (1+eps)-approximating the pth frequency moment, 0 < p < 2, of a length-n vector updated in a data stream. This provides a nearly exponential improvement in the update time complexity over the previous space-optimal algorithm of [Kane-Ne... | [
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"author_id": "j nelson_1",
"name": "Jelani Nelson",
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1756082 | 1007.4112 | 2010-07-23 | Interference Alignment for Clustered Multicell Joint Decoding | Multicell joint processing has been proven to be very efficient in overcoming the interference-limited nature of the cellular paradigm. However, for reasons of practical implementation global multicell joint decoding is not feasible and thus clusters of cooperating Base Stations have to be considered. In this context, ... | [
"cs.IT",
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"name": "Björn [\"E.\"] Ottersten",
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... | null |
118452955 | 1007.4205 | 2010-07-23 | Bayesian Analysis of Inflation: Parameter Estimation for Single Field Models | Future astrophysical datasets promise to strengthen constraints on models of inflation, and extracting these constraints requires methods and tools commensurate with the quality of the data. In this paper we describe ModeCode, a new, publicly available code that computes the primordial scalar and tensor power spectra f... | [
"astro-ph.CO",
"hep-ph",
"hep-th"
] | null | [
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] | null | null | null |
8989576 | 1007.4066 | 2010-07-23 | A Tutorial on Broadcasting Packets over Multiple-Channels in a Multi-Inferface Network Setting in NS-2 | With the proliferation of cheaper electronic devices, wireless communication over multiple-channels in a multi-interface network is now possible. For instace, wireless sensor nodes can now operate over multiplechannels. Moreover, cognitive radio sensor networks are also evolving, which also operates over multiple-chann... | [
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{
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"name": "Mubashir [\"Husain\"] Rehmani",
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... | null |
6445951 | 1007.4134 | 2010-07-23 | Human Daily Activities Indexing in Videos from Wearable Cameras for Monitoring of Patients with Dementia Diseases | Our research focuses on analysing human activities according to a known behaviorist scenario, in case of noisy and high dimensional collected data. The data come from the monitoring of patients with dementia diseases by wearable cameras. We define a structural model of video recordings based on a Hidden Markov Model. N... | [
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"name": "Jenny Benois-Pineau",
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6840514 | 1007.4236 | 2010-07-24 | Sorting of Permutations by Cost-Constrained Transpositions | We address the problem of finding the minimum decomposition of a permutation in terms of transpositions with non-uniform cost. For arbitrary non-negative cost functions, we describe polynomial-time, constant-approximation decomposition algorithms. For metric-path costs, we describe exact polynomial-time decomposition a... | [
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"name": "Olgica Milenkovic",
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39233899 | 1007.4259 | 2010-07-24 | A consistent test of independence based on a sign covariance related to Kendall's tau | The most popular ways to test for independence of two ordinal random variables are by means of Kendall's tau and Spearman's rho. However, such tests are not consistent, only having power for alternatives with ``monotonic'' association. In this paper, we introduce a natural extension of Kendall's tau, called $\tau^*$, w... | [
"math.ST",
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"stat.TH"
] | null | [
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9089830 | 1007.4301 | 2010-07-24 | Reinforcement Learning in BitTorrent Systems | Recent research efforts have shown that the popular BitTorrent protocol does not provide fair resource reciprocation and may allow free-riding. In this paper, we propose a BitTorrent-like protocol that replaces the peer selection mechanisms in the regular BitTorrent protocol with a novel reinforcement learning (RL) bas... | [
"cs.NI"
] | null | [
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{
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"author_id": "h park_48",
"name": "Hyunggon Park",
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338692 | 1007.4286 | 2010-07-24 | Queue Length Asymptotics for Generalized Max-Weight Scheduling in the presence of Heavy-Tailed Traffic | We investigate the asymptotic behavior of the steady-state queue length distribution under generalized max-weight scheduling in the presence of heavy-tailed traffic. We consider a system consisting of two parallel queues, served by a single server. One of the queues receives heavy-tailed traffic, and the other receives... | [
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{
"author_id": "m markakis_2",
"name": "Mihalis [\"G.\"] Markakis",
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12750223 | 1007.4307 | 2010-07-25 | Optimal refrigerator | We study a refrigerator model which consists of two $n$-level systems interacting via a pulsed external field. Each system couples to its own thermal bath at temperatures $T_h$ and $T_c$, respectively ($\theta\equiv T_c/T_h<1$). The refrigerator functions in two steps: thermally isolated interaction between the systems... | [
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3124703 | 1007.4366 | 2010-07-25 | A Fast Mean-Reverting Correction to Heston's Stochastic Volatility Model | We propose a multi-scale stochastic volatility model in which a fast mean-reverting factor of volatility is built on top of the Heston stochastic volatility model. A singular pertubative expansion is then used to obtain an approximation for European option prices. The resulting pricing formulas are semi-analytic, in th... | [
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15278671 | 1007.4361 | 2010-07-25 | Spectral Decomposition of Option Prices in Fast Mean-Reverting Stochastic Volatility Models | Using spectral decomposition techniques and singular perturbation theory, we develop a systematic method to approximate the prices of a variety of options in a fast mean-reverting stochastic volatility setting. Four examples are provided in order to demonstrate the versatility of our method. These include: European opt... | [
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36857911 | 1007.4306 | 2010-07-25 | On the Schwinger limit attainability with extreme power lasers | Circularly polarized colliding laser pulses can create abundant electron-positron pair plasma [A. R. Bell and J. G. Kirk, Phys. Rev. Lett. 101, 200403 (2008)], which scattering the incoming electromagnetic waves can prevent them from reaching the critical field of Quantum Electrodynamics causing vacuum breakdown and po... | [
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17028045 | 1007.4540 | 2010-07-26 | Broadcast Approach and Oblivious Cooperative Strategies for the Wireless Relay Channel - Part I: Sequential Decode-and-Forward (SDF) | In this two part paper we consider a wireless network in which a source terminal communicates with a destination and a relay terminal is occasionally present in close proximity to the source without source's knowledge, suggesting oblivious protocols. The source-relay channel is assumed to be a fixed gain AWGN due to th... | [
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53635274 | 1007.4517 | 2010-07-26 | Post-main sequence evolution of A star debris discs | While the population of main sequence debris discs is well constrained, little is known about debris discs around evolved stars. This paper provides a theoretical framework considering the effects of stellar evolution on debris discs, particularly the production and loss of dust within them. Here we repeat a steady sta... | [
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25341726 | 1007.4542 | 2010-07-26 | Broadcast Approach and Oblivious Cooperative Strategies for the Wireless Relay Channel - Part II: Block-Markov Decode-and-Forward (BMDF) | This is the second in a two part series of papers on incorporation of the broadcast approach into oblivious protocols for the relay channel where the source and the relay are collocated. Part I described the broadcast approach and its benefits in terms of achievable rates when used with the sequential decode- and-forwa... | [
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118697403 | 1007.4592 | 2010-07-26 | Holographic renormalization as a canonical transformation | The gauge/string dualities have drawn attention to a class of variational problems on a boundary at infinity, which are not well defined unless a certain boundary term is added to the classical action. In the context of supergravity in asymptotically AdS spaces these problems are systematically addressed by the method ... | [
"hep-th"
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118860846 | 1007.4560 | 2010-07-26 | Semi-classical monopole operators in Chern-Simons-matter theories | We construct classical solutions for magnetic monopole operators in N=6 superconformal Chern-Simons-matter theories. In particular, we explicitly find solutions with unequal magnetic flux contents in the two U(N) gauge groups, whose existence has been known only indirectly. We also study the ground state degeneracies o... | [
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119316508 | 1007.4508 | 2010-07-26 | Finite Size Percolation in Regular Trees | In the context of percolation in a regular tree, we study the size of the largest cluster and the length of the longest run starting within the first d generations. As d tends to infinity, we prove almost sure and weak convergence results. | [
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14000572 | 1007.4580 | 2010-07-26 | Cases for the nugget in modeling computer experiments | Most surrogate models for computer experiments are interpolators, and the most common interpolator is a Gaussian process (GP) that deliberately omits a small-scale (measurement) error term called the nugget. The explanation is that computer experiments are, by definition, "deterministic", and so there is no measurement... | [
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1973569 | 1007.4707 | 2010-07-27 | Simple Max-Min Ant Systems and the Optimization of Linear Pseudo-Boolean Functions | With this paper, we contribute to the understanding of ant colony optimization (ACO) algorithms by formally analyzing their runtime behavior. We study simple MAX-MIN ant systems on the class of linear pseudo-Boolean functions defined on binary strings of length 'n'. Our investigations point out how the progress accordi... | [
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6381930 | 1007.4603 | 2010-07-27 | Bayesian Symbol Detection in Wireless Relay Networks via Likelihood-Free Inference | This paper presents a general stochastic model developed for a class of cooperative wireless relay networks, in which imperfect knowledge of the channel state information at the destination node is assumed. The framework incorporates multiple relay nodes operating under general known non-linear processing functions. Wh... | [
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39213423 | 1007.4684 | 2010-07-27 | On the convergence, lock-in probability and sample complexity of stochastic approximation | It is shown that under standard hypotheses, if stochastic approximation iterates remain tight, they converge with probability one to what their o.d.e. limit suggests. A simple test for tightness (and therefore a.s. convergence) is provided. Further, estimates on lock-in probability, i.e., the probability of convergence... | [
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119607974 | 1007.4796 | 2010-07-27 | Compactification of a Drinfeld Period Domain over a Finite Field | We study a certain compactification of the Drinfeld period domain over a finite field which arises naturally in the context of Drinfeld moduli spaces. Its boundary is a disjoint union of period domains of smaller rank, but these are glued together in a way that is dual to how they are glued in the compactification by p... | [
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119257506 | 1007.4808 | 2010-07-27 | The Gemini NICI Planet-Finding Campaign: Discovery of a Close Substellar Companion to the Young Debris Disk Star PZ Tel | We report the discovery of a tight substellar companion to the young solar analog PZ Tel, a member of the Beta Pictoris moving group observed with high contrast adaptive optics imaging as part of the Gemini NICI Planet-Finding Campaign. The companion was detected at a projected separation of 16.4 +/- 1.0 AU (0.33 +/- 0... | [
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119232785 | 1007.4807 | 2010-07-27 | T-parity, its problems and their solution | We point out a basic difficulty in the construction of little-Higgs models with T-parity which is overlooked by large part of the present literature. Almost all models proposed so far fail to achieve their goal: they either suffer from sizable electroweak corrections or from a breakdown of collective breaking. We provi... | [
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6524547 | 1007.4636 | 2010-07-27 | Computational Complexity Analysis of Simple Genetic Programming On Two Problems Modeling Isolated Program Semantics | Analyzing the computational complexity of evolutionary algorithms for binary search spaces has significantly increased their theoretical understanding. With this paper, we start the computational complexity analysis of genetic programming. We set up several simplified genetic programming algorithms and analyze them on ... | [
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27364348 | 1007.4643 | 2010-07-27 | Super-fermion representation of the Lindblad master equation for the electron transport problem | We discuss the use of super-fermion formalism to represent and solve quantum kinetic equations for the electron transport problem. Starting with the Lindblad master equation for the molecule connected to two metal electrodes, we convert the problem of finding the nonequilibrium steady state to the many-body problem wit... | [
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374882 | 1007.4646 | 2010-07-27 | Search for Production of Invisible Final States in Single-Photon Decays of Upsilon(1S) | We search for single-photon decays of the Upsilon(1S) resonance, Upsilon->gamma+invisible, where the invisible state is either a particle of definite mass, such as a light Higgs boson A0, or a pair of dark matter particles, chi chi-bar. Both A0 and chi are assumed to have zero spin. We tag Upsilon(1S) decays with a dip... | [
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55416166 | 1007.4652 | 2010-07-27 | Rigidity of Eigenvalues of Generalized Wigner Matrices | Consider $N\times N$ hermitian or symmetric random matrices $H$ with independent entries, where the distribution of the $(i,j)$ matrix element is given by the probability measure $\nu_{ij}$ with zero expectation and with variance $\sigma_{ij}^2$. We assume that the variances satisfy the normalization condition $\sum_{i... | [
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6176237 | 1007.4801 | 2010-07-27 | MIMO Wiretap Channels with Arbitrarily Varying Eavesdropper Channel States | In this work, a class of information theoretic secrecy problems is addressed where the eavesdropper channel states are completely unknown to the legitimate parties. In particular, MIMO wiretap channel models are considered where the channel of the eavesdropper is arbitrarily varying over time. Assuming that the number ... | [
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119185179 | 1007.4785 | 2010-07-27 | Tidal Evolution of Close-in Planets | Recent discoveries of several transiting planets with clearly non-zero eccentricities and some large inclinations started changing the simple picture of close-in planets having circular and well-aligned orbits. Two major scenarios to form such planets are planet migration in a disk, and planet--planet interactions comb... | [
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88512078 | 1007.4791 | 2010-07-27 | An l1-Oracle Inequality for the Lasso | The Lasso has attracted the attention of many authors these last years. While many efforts have been made to prove that the Lasso behaves like a variable selection procedure at the price of strong (though unavoidable) assumptions on the geometric structure of these variables, much less attention has been paid to the an... | [
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118602293 | 1007.5065 | 2010-07-28 | The Split Red Clump of the Galactic Bulge from OGLE-III | The red clump is found to be split into two components along several sightlines toward the Galactic Bulge. This split is detected with high significance toward the areas (-3.5<l<1,b<-5) and (l,b)=(0,+5.2), i.e., along the Bulge minor axis and at least 5 degrees off the plane. The fainter (hereafter ``main'') component ... | [
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15147304 | 1007.4958 | 2010-07-28 | Algorithmic Verification of Single-Pass List Processing Programs | We introduce streaming data string transducers that map input data strings to output data strings in a single left-to-right pass in linear time. Data strings are (unbounded) sequences of data values, tagged with symbols from a finite set, over a potentially infinite data domain that supports only the operations of equa... | [
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119653257 | 1007.4934 | 2010-07-28 | The role of membrane viscosity in the dynamics of fluid membranes | Fluid membranes made out of lipid bilayers are the fundamental separation structure in eukaryotic cells. Many physiological processes rely on dramatic shape and topological changes (e.g. fusion, fission) of fluid membrane systems. Fluidity is key to the versatility and constant reorganization of lipid bilayers. Here, w... | [
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2105206 | 1007.5044 | 2010-07-28 | Symmetric Allocations for Distributed Storage | We consider the problem of optimally allocating a given total storage budget in a distributed storage system. A source has a data object which it can code and store over a set of storage nodes; it is allowed to store any amount of coded data in each node, as long as the total amount of storage used does not exceed the ... | [
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18752915 | 1007.5004 | 2010-07-28 | A Repeated Game Formulation of Energy-Efficient Decentralized Power Control | Decentralized multiple access channels where each transmitter wants to selfishly maximize his transmission energy-efficiency are considered. Transmitters are assumed to choose freely their power control policy and interact (through multiuser interference) several times. It is shown that the corresponding conflict of in... | [
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15012286 | 1007.4935 | 2010-07-28 | Optimal Base Encodings for Pseudo-Boolean Constraints | This paper formalizes the optimal base problem, presents an algorithm to solve it, and describes its application to the encoding of Pseudo-Boolean constraints to SAT. We demonstrate the impact of integrating our algorithm within the Pseudo-Boolean constraint solver MINISAT+. Experimentation indicates that our algorithm... | [
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14363920 | 1007.5032 | 2010-07-28 | Approximation Algorithms for Secondary Spectrum Auctions | We study combinatorial auctions for the secondary spectrum market. In this market, short-term licenses shall be given to wireless nodes for communication in their local neighborhood. In contrast to the primary market, channels can be assigned to multiple bidders, provided that the corresponding devices are well separat... | [
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44922761 | 1007.4970 | 2010-07-28 | Sub-Riemannian structures on 3D Lie groups | We give the complete classification of left-invariant sub-Riemannian structures on three dimensional Lie groups in terms of the basic differential invariants. This classifications recovers other known classification results in the literature, in particular the one obtained in [Falbel-Gorodski, 1996] in terms of curvatu... | [
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54903043 | 1007.4920 | 2010-07-28 | Optimally swimming Stokesian robots | We study self propelled stokesian robots composed of assemblies of balls, in dimensions 2 and 3, and prove that they are able to control their position and orientation. This is a result of controllability, and its proof relies on applying Chow's theorem in an analytic framework, similarly to what has been done in [3] f... | [
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117995103 | 1007.4957 | 2010-07-28 | The origin of the [C II] emission in the S140 PDRs - new insights from HIFI | Using Herschel's HIFI instrument we have observed [C II] along a cut through S140 and high-J transitions of CO and HCO+ at two positions on the cut, corresponding to the externally irradiated ionization front and the embedded massive star forming core IRS1. The HIFI data were combined with available ground-based observ... | [
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{
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},
{
"author_id": "m röllig_1",
"name": "Markus Röllig",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
12988175 | 1007.5104 | 2010-07-28 | An Empirical Study of Borda Manipulation | We study the problem of coalitional manipulation in elections using the unweighted Borda rule. We provide empirical evidence of the manipulability of Borda elections in the form of two new greedy manipulation algorithms based on intuitions from the bin-packing and multiprocessor scheduling domains. Although we have not... | [
"cs.AI"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "j davies_11",
"name": "Jessica Davies",
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"num_papers": null,
"num_citations": null
},
{
"author_id": "g katsirelos_1",
"name": "George Katsirelos",
"publication_history": null,
"h_index": null,
"num_papers":... | null |
18637288 | 1007.5119 | 2010-07-29 | Symbolic computation of conservation laws for nonlinear partial differential equations in multiple space dimensions | A method for symbolically computing conservation laws of nonlinear partial differential equations (PDEs) in multiple space dimensions is presented in the language of variational calculus and linear algebra. The steps of the method are illustrated using the Zakharov-Kuznetsov and Kadomtsev-Petviashvili equations as exam... | [
"nlin.SI"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
117956968 | 1007.5219 | 2010-07-29 | Proposal for taking data with the KLOE-2 detector at the DA$\Phi$NE collider upgraded in energy | This document reviews the physics program of the KLOE-2 detector at DA$\Phi$NE upgraded in energy and provides a simple solution to run the collider above the $\phi$-peak (up to 2, possibly 2.5 GeV). It is shown how a precise measurement of the multihadronic cross section in the energy region up to 2 (possibly 2.5) GeV... | [
"hep-ex",
"hep-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "d babusci_1",
"name": "D. Babusci",
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},
{
"author_id": "c bini_2",
"name": "Cesare Bini",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_... | null |
8131642 | 1007.5213 | 2010-07-29 | Inexact Solves in Interpolatory Model Reduction | We investigate the use of inexact solves for interpolatory model reduction and consider associated perturbation effects on the underlying model reduction problem. We give bounds on system perturbations induced by inexact solves and relate this to termination criteria for iterative solution methods. We show that when a ... | [
"math.NA",
"math.DS"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5566334 | 1007.5192 | 2010-07-29 | Bayesian inference for exponential random graph models | Exponential random graph models are extremely difficult models to handle from a statistical viewpoint, since their normalising constant, which depends on model parameters, is available only in very trivial cases. We show how inference can be carried out in a Bayesian framework using a MCMC algorithm, which circumvents ... | [
"stat.AP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
32310092 | 1007.5256 | 2010-07-29 | The Atacama Cosmology Telescope: Extragalactic Sources at 148 GHz in the 2008 Survey | We report on extragalactic sources detected in a 455 square-degree map of the southern sky made with data at a frequency of 148 GHz from the Atacama Cosmology Telescope 2008 observing season. We provide a catalog of 157 sources with flux densities spanning two orders of magnitude: from 15 to 1500 mJy. Comparison to oth... | [
"astro-ph.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118597096 | 1007.5250 | 2010-07-29 | Non-minimally coupled f(R) Cosmology | We investigate the consequences of non-minimal gravitational coupling to matter and study how it differs from the case of minimal coupling by choosing certain simple forms for the nature of coupling, The values of the parameters are specified at $z=0$ (present epoch) and the equations are evolved backwards to calculate... | [
"astro-ph.CO",
"gr-qc",
"hep-ph",
"hep-th"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "s thakur_8",
"name": "Shruti Thakur",
"publication_history": null,
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"num_citations": null
},
{
"author_id": "a sen_2",
"name": "Anjan [\"Ananda\"] Sen",
"publication_history": null,
"h_index": null,
"num_papers": nul... | null |
10701437 | 1007.5255 | 2010-07-29 | Analysis of Frequency-Agile CSMA Wireless Networks | This paper proposes and analyzes the performance of a simple frequency-agile CSMA MAC protocol. In this MAC, a node carrier-senses multiple frequency channels simultaneously, and it takes the first opportunity to transmit on any one of the channels when allowed by the CSMA backoff mechanism. We show that the frequency-... | [
"cs.NI"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "2630404",
"num_citations": null
}
] | [
{
"author_id": "s liew_1",
"name": "Soung [\"Chang\"] Liew",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "j zhang_402",
"name": "Jialiang Zhang",
"publication_history": null,
"h_index": null,
"num_papers": ... | null |
17300253 | 1007.5130 | 2010-07-29 | Resource-Optimal Planning For An Autonomous Planetary Vehicle | Autonomous planetary vehicles, also known as rovers, are small autonomous vehicles equipped with a variety of sensors used to perform exploration and experiments on a planet's surface. Rovers work in a partially unknown environment, with narrow energy/time/movement constraints and, typically, small computational resour... | [
"cs.AI"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "g penna_1",
"name": "Giuseppe [\"Della\"] Penna",
"publication_history": null,
"h_index": null,
"num_papers": null,
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},
{
"author_id": "b intrigila_0",
"name": "Benedetto Intrigila",
"publication_history": null,
"h_index": null,
"n... | null |
119110869 | 1007.5293 | 2010-07-29 | A New Small-Amplitude Variable Hot DQ White Dwarf | We present the discovery of photometric variations in the carbon-dominated atmosphere (hot DQ) white dwarf star SDSS J133710.19-002643.6. We find evidence for two low-amplitude, harmonically-related periodicities at 169 s and 339 s, making it the fastest and smallest amplitude of the four known hot DQ variables and the... | [
"astro-ph.SR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
4226831 | 1007.5239 | 2010-07-29 | TCP Reno over Adaptive CSMA | An interesting distributed adaptive CSMA MAC protocol, called adaptive CSMA, was proposed recently to schedule any strictly feasible achievable rates inside the capacity region. Of particular interest is the fact that the adaptive CSMA can achieve a system utility arbitrarily close to that is achievable under a central... | [
"cs.NI"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "w chen_114",
"name": "Wei Chen",
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},
{
"author_id": "y wang_823",
"name": "Yue Wang",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_cita... | null |
11467603 | 1007.5354 | 2010-07-29 | Synchronization and Control in Intrinsic and Designed Computation: An Information-Theoretic Analysis of Competing Models of Stochastic Computation | We adapt tools from information theory to analyze how an observer comes to synchronize with the hidden states of a finitary, stationary stochastic process. We show that synchronization is determined by both the process's internal organization and by an observer's model of it. We analyze these components using the conve... | [
"cond-mat.stat-mech",
"cs.IT",
"math.IT",
"nlin.CD",
"stat.ML"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5628946 | 1007.5170 | 2010-07-29 | Satisfaction Equilibrium: A General Framework for QoS Provisioning in Self-Configuring Networks | This paper is concerned with the concept of equilibrium and quality of service (QoS) provisioning in self-configuring wireless networks with non-cooperative radio devices (RD). In contrast with the Nash equilibrium (NE), where RDs are interested in selfishly maximizing its QoS, we present a concept of equilibrium, name... | [
"cs.NI",
"cs.GT"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "216051272",
"num_citations": null
}
] | [
{
"author_id": "s perlaza_1",
"name": "Samir [\"Medina\"] Perlaza",
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},
{
"author_id": "h tembine_1",
"name": "Hamidou Tembine",
"publication_history": null,
"h_index": null,
"num_p... | null |
2103385 | 1007.5318 | 2010-07-29 | Intrinsic Dimensionality | This entry for the SIGSPATIAL Special July 2010 issue on Similarity Searching in Metric Spaces discusses the notion of intrinsic dimensionality of data in the context of similarity search. | [
"cs.DS"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1817864 | 1007.5218 | 2010-07-29 | Applications of Belief Propagation in CSMA Wireless Networks | The belief propagation (BP) algorithm is an efficient way to solve "inference" problems in graphical models, such as Bayesian networks and Markov random fields. The system-state probability distribution of CSMA wireless networks is a Markov random field. An interesting question is how BP can help the analysis and desig... | [
"cs.NI"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "c kai_1",
"name": "Caihong Kai",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "s liew_1",
"name": "Soung [\"Chang\"] Liew",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
118476827 | 1007.5331 | 2010-07-29 | Nonequilibrium dynamics of closed interacting quantum systems | This colloquium gives an overview of recent theoretical and experimental progress in the area of nonequilibrium dynamics of isolated quantum systems. We particularly focus on quantum quenches: the temporal evolution following a sudden or slow change of the coupling constants of the system Hamiltonian. We discuss severa... | [
"cond-mat.stat-mech",
"cond-mat.quant-gas",
"hep-th",
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
88512569 | 1007.5107 | 2010-07-29 | On the Powers of Some New Chi-Square Type Statistics | In this paper, four new Chi-Square type statistics are presented for testing the hypothesis of a uniform null versus specified trend alternatives. The powers of these test statistics are compared with the powers of the statistics considered by Steele and Chaseling [8]. The four test statistics are shown to have superio... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119134543 | 1007.5181 | 2010-07-29 | Submanifolds that are level sets of solutions to a second-order elliptic PDE | Motivated by a question of Rubel, we consider the problem of characterizing which noncompact hypersurfaces in $\RR^n$ can be regular level sets of a harmonic function modulo a $C^\infty$ diffeomorphism, as well as certain generalizations to other PDEs. We prove a versatile sufficient condition that shows, in particular... | [
"math.AP",
"math.CA",
"math.DG",
"math.GT"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "a enciso_1",
"name": "Alberto Enciso",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "d peralta-salas_1",
"name": "Daniel Peralta-Salas",
"publication_history": null,
"h_index": null,
"num_pap... | null |
7302449 | 1007.5485 | 2010-07-30 | On the length of binary forms | The $K$-length of a form $f$ in $K[x_1,\dots,x_n]$, $K \subset \cc$, is the smallest number of $d$-th powers of linear forms of which $f$ is a $K$-linear combination. We present many results, old and new, about $K$-length, mainly in $n=2$, and often about the length of the same form over different fields. For example, ... | [
"math.NT",
"math.AC",
"math.AG"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15562803 | 1007.5514 | 2010-07-30 | Distributed Beamforming in Wireless Multiuser Relay-Interference Networks with Quantized Feedback | We study quantized beamforming in wireless amplify-and-forward relay-interference networks with any number of transmitters, relays, and receivers. We design the quantizer of the channel state information to minimize the probability that at least one receiver incorrectly decodes its desired symbol(s). Correspondingly, w... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "2138623",
"num_citations": null
}
] | [
{
"author_id": "e koyuncu_2",
"name": "Erdem Koyuncu",
"publication_history": null,
"h_index": null,
"num_papers": null,
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},
{
"author_id": "h jafarkhani_1",
"name": "Hamid Jafarkhani",
"publication_history": null,
"h_index": null,
"num_papers": n... | null |
53376579 | 1007.5396 | 2010-07-30 | The bright end of the z ~ 7 UV Luminosity Function from a wide and deep HAWK-I survey | (Abridged) We present here the second half of an ESO Large Programme, which exploits the unique combination of area and sensitivity provided in the near-IR by the camera Hawk-I at the VLT. We have obtained - 30 observing hours with Hawk-I in the Y-band of two high galactic latitude fields. We combined the Y-band data w... | [
"astro-ph.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10488018 | 1007.5510 | 2010-07-30 | An algorithm for the principal component analysis of large data sets | Recently popularized randomized methods for principal component analysis (PCA) efficiently and reliably produce nearly optimal accuracy --- even on parallel processors --- unlike the classical (deterministic) alternatives. We adapt one of these randomized methods for use with data sets that are too large to be stored i... | [
"stat.CO",
"cs.NA"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "n halko_0",
"name": "Nathan Halko",
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"num_citations": null
},
{
"author_id": "p martinsson_1",
"name": "Per-Gunnar Martinsson",
"publication_history": null,
"h_index": null,
"num_papers":... | null |
119305915 | 1008.0008 | 2010-07-30 | Fermi Large Area Telescope Observations of Gamma-ray Pulsars PSR J1057-5226, J1709-4429, and J1952+3252 | The Fermi Large Area Telescope (LAT) data have confirmed the pulsed emission from all six high-confidence gamma-ray pulsars previously known from the EGRET observations. We report results obtained from the analysis of 13 months of LAT data for three of these pulsars (PSR J1057-5226, PSR J1709-4429, and PSR J1952+3252) ... | [
"astro-ph.HE"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a abdo_2",
"name": "A. [\"A.\"] Abdo",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "a abdo_2",
"name": "A. [\"A.\"] Abdo",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
8614730 | 1007.5459 | 2010-07-30 | Relieving the Wireless Infrastructure: When Opportunistic Networks Meet Guaranteed Delays | Major wireless operators are nowadays facing network capacity issues in striving to meet the growing demands of mobile users. At the same time, 3G-enabled devices increasingly benefit from ad hoc radio connectivity (e.g., Wi-Fi). In this context of hybrid connectivity, we propose Push-and-track, a content dissemination... | [
"cs.NI"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
45436471 | 1007.5518 | 2010-07-30 | Local deterministic model of singlet state correlations based on relaxing measurement independence | The derivation of Bell inequalities requires an assumption of measurement independence, related to the amount of free will experimenters have in choosing measurement settings. Violation of these inequalities by singlet state correlations, as has been experimentally observed, brings this assumption into question. A simp... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
37094119 | 1008.0031 | 2010-07-30 | The Wide-field Infrared Survey Explorer (WISE): Mission Description and Initial On-orbit Performance | The all sky surveys done by the Palomar Observatory Schmidt, the European Southern Observatory Schmidt, and the United Kingdom Schmidt, the InfraRed Astronomical Satellite and the 2 Micron All Sky Survey have proven to be extremely useful tools for astronomy with value that lasts for decades. The Wide-field Infrared Su... | [
"astro-ph.IM"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
3190155 | 1007.5456 | 2010-07-30 | One-Shot Classical-Quantum Capacity and Hypothesis Testing | The one-shot classical capacity of a quantum channel quantifies the amount of classical information that can be transmitted through a single use of the channel such that the error probability is below a certain threshold. In this work, we show that this capacity is well approximated by a relative-entropy-type measure d... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10749768 | 1008.0053 | 2010-07-30 | Achieving the Scaling Law of SNR-Monitoring in Dynamic Wireless Networks | The characteristics of wireless communication channels may vary with time due to fading, environmental changes and movement of mobile wireless devices. Tracking and estimating channel gains of wireless channels is therefore a fundamentally important element of many wireless communication systems. In particular, the rec... | [
"cs.NI"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "h yao_31",
"name": "Hongyi Yao",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "x li_161",
"name": "Xiaohang Li",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_cit... | null |
27297331 | 1007.5521 | 2010-07-30 | Noncoplanar magnetic ordering driven by itinerant electrons on the pyrochlore lattice | Exchange interaction tends to favor collinear or coplanar magnetic orders in rotationally invariant spin systems. Indeed, such magnetic structures are usually selected by thermal or quantum fluctuations in highly frustrated magnets. Here we show that a complex noncoplanar magnetic order with a quadrupled unit cell is s... | [
"cond-mat.str-el"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "g chern_1",
"name": "Gia-Wei Chern",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
10416101 | 1008.0022 | 2010-07-30 | Predicting criticality and dynamic range in complex networks: effects of topology | The collective dynamics of a network of coupled excitable systems in response to an external stimulus depends on the topology of the connections in the network. Here we develop a general theoretical approach to study the effects of network topology on dynamic range, which quantifies the range of stimulus intensities re... | [
"cond-mat.dis-nn"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1810488 | 1007.5450 | 2010-07-30 | Known Algorithms on Graphs of Bounded Treewidth are Probably Optimal | We obtain a number of lower bounds on the running time of algorithms solving problems on graphs of bounded treewidth. We prove the results under the Strong Exponential Time Hypothesis of Impagliazzo and Paturi. In particular, assuming that SAT cannot be solved in (2-\epsilon)^{n}m^{O(1)} time, we show that for any e > ... | [
"cs.DS",
"cs.CC",
"cs.DM"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
206924630 | 1008.0064 | 2010-07-31 | Self-repairing Homomorphic Codes for Distributed Storage Systems | Erasure codes provide a storage efficient alternative to replication based redundancy in (networked) storage systems. They however entail high communication overhead for maintenance, when some of the encoded fragments are lost and need to be replenished. Such overheads arise from the fundamental need to recreate (or ke... | [
"cs.DC"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "f oggier_1",
"name": "Frédérique [\"E.\"] Oggier",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "a datta_1",
"name": "Anwitaman Datta",
"publication_history": null,
"h_index": null,
"num_pape... | null |
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