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17003350 | 1003.4968 | 2010-03-25 | Coherent Perfect Absorbers: Time-reversed Lasers | We show that an arbitrary body or aggregate can be made perfectly absorbing at discrete frequencies if a precise amount of dissipation is added under specific conditions of coherent monochromatic illumination. This effect arises from the interaction of optical absorption and wave interference, and corresponds to moving... | [
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907947 | 1003.4865 | 2010-03-25 | Logical complexity of graphs: a survey | We discuss the definability of finite graphs in first-order logic with two relation symbols for adjacency and equality of vertices. The logical depth $D(G)$ of a graph $G$ is equal to the minimum quantifier depth of a sentence defining $G$ up to isomorphism. The logical width $W(G)$ is the minimum number of variables o... | [
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27998267 | 1003.5005 | 2010-03-25 | Phase groups and the origin of non-locality for qubits | We describe a general framework in which we can precisely compare the structures of quantum-like theories which may initially be formulated in quite different mathematical terms. We then use this framework to compare two theories: quantum mechanics restricted to qubit stabiliser states and operations, and Spekkens's to... | [
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88518179 | 1003.4885 | 2010-03-25 | The Smooth-Lasso and other $\ell_1+\ell_2$-penalized methods | We consider a linear regression problem in a high dimensional setting where the number of covariates $p$ can be much larger than the sample size $n$. In such a situation, one often assumes sparsity of the regression vector, \textit i.e., the regression vector contains many zero components. We propose a Lasso-type estim... | [
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2275521 | 1003.4942 | 2010-03-25 | Approximate Dynamic Programming using Halfspace Queries and Multiscale Monge decomposition | Let $P=(P_1, P_2, \ldots, P_n)$, $P_i \in \field{R}$ for all $i$, be a signal and let $C$ be a constant. In this work our goal is to find a function $F:[n]\rightarrow \field{R}$ which optimizes the following objective function: $$ \min_{F} \sum_{i=1}^n (P_i-F_i)^2 + C\times |\{i:F_i \neq F_{i+1} \} | $$ The above optim... | [
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1126559 | 1004.0334 | 2010-03-25 | Approximation Algorithms for Campaign Management | We study electoral campaign management scenarios in which an external party can buy votes, i.e., pay the voters to promote its preferred candidate in their preference rankings. The external party's goal is to make its preferred candidate a winner while paying as little as possible. We describe a 2-approximation algorit... | [
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408998 | 1003.4944 | 2010-03-25 | Incorporating Side Information in Probabilistic Matrix Factorization with Gaussian Processes | Probabilistic matrix factorization (PMF) is a powerful method for modeling data associated with pairwise relationships, finding use in collaborative filtering, computational biology, and document analysis, among other areas. In many domains, there is additional information that can assist in prediction. For example, wh... | [
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117839505 | 1003.5008 | 2010-03-25 | Why Physics Needs Quantum Foundations | We discuss the motivation for pursuing research on the foundations of quantum theory. | [
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11872871 | 1003.5137 | 2010-03-26 | Multirelational Organization of Large-scale Social Networks in an Online World | The capacity to collect fingerprints of individuals in online media has revolutionized the way researchers explore human society. Social systems can be seen as a non-linear superposition of a multitude of complex social networks, where nodes represent individuals and links capture a variety of different social relation... | [
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8871776 | 1003.5239 | 2010-03-26 | Cross-Layer Designs in Coded Wireless Fading Networks with Multicast | A cross-layer design along with an optimal resource allocation framework is formulated for wireless fading networks, where the nodes are allowed to perform network coding. The aim is to jointly optimize end-to-end transport layer rates, network code design variables, broadcast link flows, link capacities, average power... | [
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9295129 | 1003.5080 | 2010-03-26 | Transparent Anonymization: Thwarting Adversaries Who Know the Algorithm | Numerous generalization techniques have been proposed for privacy preserving data publishing. Most existing techniques, however, implicitly assume that the adversary knows little about the anonymization algorithm adopted by the data publisher. Consequently, they cannot guard against privacy attacks that exploit various... | [
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14749817 | 1003.5097 | 2010-03-26 | Power Loading in Parallel Diversity Channels Based on Statistical Channel Information | In this paper, we show that there exists an arbitrary number of power allocation schemes that achieve capacity in systems operating in parallel channels comprised of single-input multiple-output (SIMO) Nakagami-m fading subchannels when the number of degrees of freedom L (e.g., the number of receive antennas) tends to ... | [
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41615076 | 1003.5244 | 2010-03-26 | Keck Spectroscopy of Faint 3<z<7 Lyman Break Galaxies: - I. New constraints on cosmic reionisation from the luminosity and redshift-dependent fraction of Lyman-alpha emission | We present results from a new Keck spectroscopic survey of UV-faint LBGs in the redshift range 3<z<7. Combined with earlier Keck and published ESO VLT data, our sample contains more than 600 dropouts, offering new insight into the nature of sub-L* sources typical of those likely to dominate the cosmic reionisation proc... | [
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11890584 | 1003.5238 | 2010-03-26 | An efficient algorithm for the parallel solution of high-dimensional differential equations | The study of high-dimensional differential equations is challenging and difficult due to the analytical and computational intractability. Here, we improve the speed of waveform relaxation (WR), a method to simulate high-dimensional differential-algebraic equations. This new method termed adaptive waveform relaxation (A... | [
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15294542 | 1003.5068 | 2010-03-26 | On the stability of flow-aware CSMA | We consider a wireless network where each flow (instead of each link) runs its own CSMA (Carrier Sense Multiple Access) algorithm. Specifically, each flow attempts to access the radio channel after some random time and transmits a packet if the channel is sensed idle. We prove that, unlike the standard CSMA algorithm, ... | [
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26930565 | 1003.5119 | 2010-03-26 | The Dependence of Type Ia Supernova Luminosities on their Host Galaxies | (Abridged) Precision cosmology with Type Ia supernovae (SNe Ia) makes use of the fact that SN Ia luminosities depend on their light-curve shapes and colours. Using Supernova Legacy Survey (SNLS) and other data, we show that there is an additional dependence on the global characteristics of their host galaxies: events o... | [
"astro-ph.CO"
] | null | [
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] | null | null | null |
118673437 | 1003.5180 | 2010-03-26 | A Study of the Gas-Star Formation Relation over Cosmic Time | We use the first systematic data sets of CO molecular line emission in z~1-3 normal star forming galaxies for a comparison of the dependence of galaxy-averaged star formation rates on molecular gas masses at low and high redshifts, and in different galactic environments. Although the current high-z samples are still sm... | [
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115165189 | 1003.5084 | 2010-03-26 | First steps in stable Hamiltonian topology | In this paper we study topological properties of stable Hamiltonian structures. In particular, we prove the following results in dimension three: The space of stable Hamiltonian structures modulo homotopy is discrete; there exist stable Hamiltonian structures that are not homotopic to a positive contact structure; stab... | [
"math.SG"
] | null | [
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] | null | null | null |
30354096 | 1003.5331 | 2010-03-27 | Strong polymer-turbulence interactions in viscoelastic turbulent channel flow | This paper is focused on the fundamental mechanism(s) of viscoelastic turbulence that lead to polymer induced turbulent drag reduction phenomenon. A great challenge in this problem is the computation of viscoelastic turbulent flows, since the understanding of polymer physics is restricted to mechanical models. An effec... | [
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16377422 | 1003.5324 | 2010-03-27 | Stable Nash equilibria of medium access games under symmetric, socially altruistic behavior | We consider the effects of altruistic behavior on random medium access control (slotted ALOHA) for local area communication networks. For an idealized, synchronously iterative, two-player game with asymmetric player demands, we find a Hamiltonian governing the Jacobi dynamics under purely altruistic behavior. Though th... | [
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3448887 | 1003.5330 | 2010-03-27 | Lin-Kernighan Heuristic Adaptations for the Generalized Traveling Salesman Problem | The Lin-Kernighan heuristic is known to be one of the most successful heuristics for the Traveling Salesman Problem (TSP). It has also proven its efficiency in application to some other problems. In this paper we discuss possible adaptations of TSP heuristics for the Generalized Traveling Salesman Problem (GTSP) and fo... | [
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16938596 | 1003.5320 | 2010-03-27 | The Video Genome | Fast evolution of Internet technologies has led to an explosive growth of video data available in the public domain and created unprecedented challenges in the analysis, organization, management, and control of such content. The problems encountered in video analysis such as identifying a video in a large database (e.g... | [
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6936572 | 1003.5309 | 2010-03-27 | Gossip Algorithms for Distributed Signal Processing | Gossip algorithms are attractive for in-network processing in sensor networks because they do not require any specialized routing, there is no bottleneck or single point of failure, and they are robust to unreliable wireless network conditions. Recently, there has been a surge of activity in the computer science, contr... | [
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8138004 | 1003.5305 | 2010-03-27 | Rational Value of Information Estimation for Measurement Selection | Computing value of information (VOI) is a crucial task in various aspects of decision-making under uncertainty, such as in meta-reasoning for search; in selecting measurements to make, prior to choosing a course of action; and in managing the exploration vs. exploitation tradeoff. Since such applications typically requ... | [
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10024974 | 1003.5399 | 2010-03-28 | Spatial logics with connectedness predicates | We consider quantifier-free spatial logics, designed for qualitative spatial representation and reasoning in AI, and extend them with the means to represent topological connectedness of regions and restrict the number of their connected components. We investigate the computational complexity of these logics and show th... | [
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8363500 | 1003.5345 | 2010-03-28 | Bounds for the Sum Capacity of Binary CDMA Systems in Presence of Near-Far Effect | In this paper we are going to estimate the sum capacity of a binary CDMA system in presence of the near-far effect. We model the near-far effect as a random variable that is multiplied by the users binary data before entering the noisy channel. We will find a lower bound and a conjectured upper bound for the sum capaci... | [
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11279582 | 1003.5457 | 2010-03-29 | Minimization of divergences on sets of signed measures | We consider the minimization problem of $\phi$-divergences between a given probability measure $P$ and subsets $\Omega$ of the vector space $\mathcal{M}_\mathcal{F}$ of all signed finite measures which integrate a given class $\mathcal{F}$ of bounded or unbounded measurable functions. The vector space $\mathcal{M}_\mat... | [
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9123767 | 1003.5575 | 2010-03-29 | Enabling a High Throughput Real Time Data Pipeline for a Large Radio Telescope Array with GPUs | The Murchison Widefield Array (MWA) is a next-generation radio telescope currently under construction in the remote Western Australia Outback. Raw data will be generated continuously at 5GiB/s, grouped into 8s cadences. This high throughput motivates the development of on-site, real time processing and reduction in pre... | [
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154609239 | 1003.5650 | 2010-03-29 | Diversity and Arbitrage in a Regulatory Breakup Model | In 1999 Robert Fernholz observed an inconsistency between the normative assumption of existence of an equivalent martingale measure (EMM) and the empirical reality of diversity in equity markets. We explore a method of imposing diversity on market models by a type of antitrust regulation that is compatible with EMMs. T... | [
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6772995 | 1003.5588 | 2010-03-29 | Limits of kernel operators and the spectral regularity lemma | We study the spectral aspects of the graph limit theory. We give a description of graphon convergence in terms of converegnce of eigenvalues and eigenspaces. Along these lines we prove a spectral version of the strong regularity lemma. Using spectral methods we investigate group actions on graphons. As an application w... | [
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115165838 | 1003.5527 | 2010-03-29 | Self-similar solutions in one-dimensional kinetic models: A probabilistic view | This paper deals with a class of Boltzmann equations on the real line, extensions of the well-known Kac caricature. A distinguishing feature of the corresponding equations is that therein, the collision gain operators are defined by N-linear smoothing transformations. These kind of problems have been studied, from an e... | [
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3468246 | 1003.5453 | 2010-03-29 | Nonequilibrium relations in spin glasses | The applications of nonequilbrium relations such as the Jarzynski equality and the fluctuation theorem to spin glasses are considered. The spin glass is a basic platform where we consider an application of an approximate solver of combinatorial optimization problems, simulated annealing. We find a novel relationship be... | [
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46008053 | 1003.5586 | 2010-03-29 | Elliptic and hexadecapole flow of charged hadrons in Au+Au collisions at sqrt(s_NN) = 200 GeV | Differential measurements of the elliptic (v_2) and hexadecapole (v_4) Fourier flow coefficients are reported for charged hadrons as a function of transverse momentum (p_T) and collision centrality or the number of participant nucleons (N_part) for Au+Au collisions at sqrt(s_NN)=200 GeV. The v_{2,4} measurements at pse... | [
"nucl-ex"
] | null | [
"target.author.publication_history"
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{
"author_id": "a adare_1",
"name": "Andrew [\"Marshall\"] Adare",
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{
"author_id": "s afanasiev_1",
"name": "S. Afanasiev",
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"h_index": null,
"num_pap... | null |
9612371 | 1003.5510 | 2010-03-29 | EphPub: Toward Robust Ephemeral Publishing | The increasing amount of personal and sensitive information disseminated over the Internet prompts commensurately growing privacy concerns. Digital data often lingers indefinitely and users lose its control. This motivates the desire to restrict content availability to an expiration time set by the data owner. This pap... | [
"cs.CR",
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] | null | [
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{
"author_id": "c castelluccia_1",
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{
"author_id": "e de cristofaro_1",
"name": "Emiliano De Cristofaro",
"publication_history": null,
"h_index": null,... | null |
118468350 | 1003.5446 | 2010-03-29 | Analyzing Stop-and-Go Waves by Experiment and Modeling | The main topic of this paper is the analysis and modeling of stop-and-go waves, observable in experiments of single lane movement with pedestrians. The velocity density relation using measurements on a 'microscopic' scale shows the coexistence of two phases at one density. These data are used to calibrate and verify a ... | [
"physics.soc-ph"
] | null | [
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{
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{
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{
"author_id": "a seyfried_1",
"name": "Armin Seyfried",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
11732339 | 1003.5480 | 2010-03-29 | Truthful Fair Division | We address the problem of fair division, or cake cutting, with the goal of finding truthful mechanisms. In the case of a general measure space ("cake") and non-atomic, additive individual preference measures - or utilities - we show that there exists a truthful "mechanism" which ensures that each of the k players gets ... | [
"cs.GT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "e mossel_1",
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{
"author_id": "o tamuz_1",
"name": "Omer Tamuz",
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"... | null |
18350015 | 1003.5481 | 2010-03-29 | Construction of Compactly Supported Shearlet Frames | Shearlet tight frames have been extensively studied during the last years due to their optimal approximation properties of cartoon-like images and their unified treatment of the continuum and digital setting. However, these studies only concerned shearlet tight frames generated by a band-limited shearlet, whereas for p... | [
"math.FA"
] | null | [
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{
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{
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"name": "Gitta Kutyniok",
"publication_history": null,
"h_index": null,
"num_papers":... | null |
118433944 | 1003.5464 | 2010-03-29 | Security Proof for Quantum Key Distribution Using Qudit Systems | We provide security bounds against coherent attacks for two families of quantum key distribution protocols that use $d$-dimensional quantum systems. In the asymptotic regime, both the secret key rate for fixed noise and the robustness to noise increase with $d$. The finite-key corrections are found to be almost insensi... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8674839 | 1003.5699 | 2010-03-29 | Predicting the Future with Social Media | In recent years, social media has become ubiquitous and important for social networking and content sharing. And yet, the content that is generated from these websites remains largely untapped. In this paper, we demonstrate how social media content can be used to predict real-world outcomes. In particular, we use the c... | [
"cs.CY",
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] | null | [
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{
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{
"author_id": "b huberman_1",
"name": "Bernardo [\"A.\"] Huberman",
"publication_history": null,
"h_index": null,
"num_papers... | null |
36424310 | 1003.5514 | 2010-03-29 | Asymptotic and Exact Pricing of Options on Variance | We consider the pricing of derivatives written on the discretely sampled realized variance of an underlying security. In the literature, the realized variance is usually approximated by its continuous-time limit, the quadratic variation of the underlying log-price. Here, we characterize the small-time limits of options... | [
"q-fin.PR",
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] | null | [
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{
"author_id": "m keller-ressel_1",
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{
"author_id": "j muhle‐karbe_1",
"name": "Johannes Muhle‐Karbe",
"publication_history": null,
"h_index": null,
... | null |
119252747 | 1003.5465 | 2010-03-29 | Analysis of bottleneck motion using Voronoi diagrams | Standard definitions of the density exhibit large fluctuations when the size of the measurement area is comparable with the size of a pedestrian. An alternative measurement method exists where a personal space, calculated through the Voronoi diagram, is assigned to each pedestrian. In this contribution this method is a... | [
"physics.soc-ph"
] | null | [
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{
"author_id": "j liddle_1",
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{
"author_id": "a seyfried_1",
"name": "Armin Seyfried",
"publication_history": null,
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... | null |
17386407 | 1003.5911 | 2010-03-30 | Quaoar: A Rock in the Kuiper belt | Here we report WFPC2 observations of the Quaoar-Weywot Kuiper belt binary. From these observations we find that Weywot is on an elliptical orbit with eccentricity of 0.14 {\pm} 0.04, period of 12.438 {\pm} 0.005 days, and a semi-major axis of 1.45 {\pm} 0.08 {\times} 104 km. The orbit reveals a surpsingly high Quaoar-W... | [
"astro-ph.EP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7777761 | 1003.5907 | 2010-03-30 | Faster Approximation Schemes for Fractional Multicommodity Flow Problems via Dynamic Graph Algorithms | We combine the work of Garg and Konemann, and Fleischer with ideas from dynamic graph algorithms to obtain faster (1-eps)-approximation schemes for various versions of the multicommodity flow problem. In particular, if eps is moderately small and the size of every number used in the input instance is polynomially bound... | [
"cs.DS"
] | null | [
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] | [] | [
{
"author_id": "a ma̧dry_1",
"name": "Aleksander Ma̧dry",
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}
] | null |
14444361 | 1003.5704 | 2010-03-30 | Global convergence of quorum-sensing networks | In many natural synchronization phenomena, communication between individual elements occurs not directly, but rather through the environment. One of these instances is bacterial quorum sensing, where bacteria release signaling molecules in the environment which in turn are sensed and used for population coordination. E... | [
"math.DS",
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"physics.bio-ph",
"q-bio.CB"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119293225 | 1003.5852 | 2010-03-30 | The PPMXL catalog of positions and proper motions on the ICRS. Combining USNO-B1.0 and 2MASS | USNO-B1.0 and 2MASS are the most widely used full-sky surveys. However, 2MASS has no proper motions at all, and USNO-B1.0 published only relative, not absolute (i.e. on ICRS) proper motions. We performed a new determination of mean positions and proper motions on the ICRS system by combining USNO-B1.0 and 2MASS astrome... | [
"astro-ph.GA",
"astro-ph.SR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
54766969 | 1003.5760 | 2010-03-30 | Quantum-state preparation with universal gate decompositions | In quantum computation every unitary operation can be decomposed into quantum circuits-a series of single-qubit rotations and a single type entangling two-qubit gates, such as controlled-NOT (CNOT) gates. Two measures are important when judging the complexity of the circuit: the total number of CNOT gates needed to imp... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119225857 | 1003.5757 | 2010-03-30 | Measurements of cosmic-ray energy spectra with the 2nd CREAM flight | During its second Antarctic flight, the CREAM (Cosmic Ray Energetics And Mass) balloon experiment collected data for 28 days, measuring the charge and the energy of cosmic rays (CR) with a redundant system of particle identification and an imaging thin ionization calorimeter. Preliminary direct measurements of the abso... | [
"astro-ph.HE",
"astro-ph.IM"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118485597 | 1003.5827 | 2010-03-30 | Renormalization-Group Improved Predictions for Top-Quark Pair Production at Hadron Colliders | Precision predictions for phenomenologically interesting observables such as the t-tbar invariant mass distribution and forward-backward asymmetry in top-quark pair production at hadron colliders require control over the differential cross section in perturbative QCD. In this paper we improve existing calculations of t... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
12904449 | 1003.5966 | 2010-03-30 | Integer-Forcing Linear Receivers | Linear receivers are often used to reduce the implementation complexity of multiple-antenna systems. In a traditional linear receiver architecture, the receive antennas are used to separate out the codewords sent by each transmit antenna, which can then be decoded individually. Although easy to implement, this approach... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16048141 | 1003.5839 | 2010-03-30 | Evolutionary games in the multiverse | Evolutionary game dynamics of two players with two strategies has been studied in great detail. These games have been used to model many biologically relevant scenarios, ranging from social dilemmas in mammals to microbial diversity. Some of these games may in fact take place between a number of individuals and not jus... | [
"q-bio.PE"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
744200 | 1003.5956 | 2010-03-30 | Unbiased Offline Evaluation of Contextual-bandit-based News Article Recommendation Algorithms | Contextual bandit algorithms have become popular for online recommendation systems such as Digg, Yahoo! Buzz, and news recommendation in general. \emph{Offline} evaluation of the effectiveness of new algorithms in these applications is critical for protecting online user experiences but very challenging due to their "p... | [
"cs.LG",
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"cs.RO",
"stat.ML"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
20199667 | 1004.0014 | 2010-03-31 | Real-time volumetric image reconstruction and 3D tumor localization based on a single x-ray projection image for lung cancer radiotherapy | Purpose: To develop an algorithm for real-time volumetric image reconstruction and 3D tumor localization based on a single x-ray projection image for lung cancer radiotherapy. Methods: Given a set of volumetric images of a patient at N breathing phases as the training data, we perform deformable image registration betw... | [
"physics.med-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
115169751 | 1003.5996 | 2010-03-31 | Asymptotics of Selberg-like integrals: The unitary case and Newton's interpolation formula | We investigate the asymptotic behavior of the Selberg-like integral $$ \frac1{N!}\int_{[0,1]^N}x_1^p\prod_{i<j}(x_i-x_j)^2\prod_ix_i^{a-1}(1-x_i)^{b-1}dx_i$$, as $N\to\infty$ for different scalings of the parameters $a$ and $b$ with $N$. Integrals of this type arise in the random matrix theory of electronic scattering ... | [
"math-ph",
"cond-mat.mes-hall",
"math.CO",
"math.MP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5561199 | 1003.6050 | 2010-03-31 | Dual formulation of second order target problems | This paper provides a new formulation of second order stochastic target problems introduced in [SIAM J. Control Optim. 48 (2009) 2344-2365] by modifying the reference probability so as to allow for different scales. This new ingredient enables us to prove a dual formulation of the target problem as the supremum of the ... | [
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5311243 | 1003.6052 | 2010-03-31 | Development of an automated Red Light Violation Detection System (RLVDS) for Indian vehicles | Integrated Traffic Management Systems (ITMS) are now implemented in different cities in India to primarily address the concerns of road-safety and security. An automated Red Light Violation Detection System (RLVDS) is an integral part of the ITMS. In our present work we have designed and developed a complete system for... | [
"cs.CV"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "s saha_22",
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{
"author_id": "s basu_10",
"name": "Subhadip Basu",
"publication_history": null,
"h_index": null,
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"n... | null |
11169216 | 1003.6059 | 2010-03-31 | A novel scheme for binarization of vehicle images using hierarchical histogram equalization technique | Automatic License Plate Recognition system is a challenging area of research now-a-days and binarization is an integral and most important part of it. In case of a real life scenario, most of existing methods fail to properly binarize the image of a vehicle in a congested road, captured through a CCD camera. In the cur... | [
"cs.CV"
] | null | [
"target.author.publication_history"
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{
"author_id": "s saha_22",
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{
"author_id": "s basu_10",
"name": "Subhadip Basu",
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"n... | null |
119102781 | 1003.6074 | 2010-03-31 | The Ages of Stars | The age of an individual star cannot be measured, only estimated through mostly model-dependent or empirical methods, and no single method works well for a broad range of stellar types or for a full range in age. This review presents a summary of the available techniques for age-dating stars and ensembles of stars, the... | [
"astro-ph.SR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2884979 | 1003.6082 | 2010-03-31 | Coding Schemes and Asymptotic Capacity of the Gaussian Broadcast and Interference Channels with Feedback | A coding scheme is proposed for the memoryless Gaussian broadcast channel with correlated noises and feedback. For all noise correlations other than -1, the gap between the sum-rate the scheme achieves and the full-cooperation bound vanishes as the signal-to-noise ratio tends to infinity. When the correlation coefficie... | [
"cs.IT",
"math.IT"
] | null | [
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{
"author_id": "m gastpar_1",
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{
"author_id": "a lapidoth_1",
"name": "Amos Lapidoth",
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"num_papers": null... | null |
1948238 | 1004.0048 | 2010-03-31 | Anonimos: An LP based Approach for Anonymizing Weighted Social Network Graphs | The increasing popularity of social networks has initiated a fertile research area in information extraction and data mining. Anonymization of these social graphs is important to facilitate publishing these data sets for analysis by external entities. Prior work has concentrated mostly on node identity anonymization an... | [
"cs.DB"
] | null | [
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{
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] | [
{
"author_id": "s das_34",
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{
"author_id": "ö eğecioğlu_0",
"name": "Ömer Eğecioğlu",
"publication_history": null,
"h_index": null,
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... | null |
10365642 | 1004.0019 | 2010-03-31 | From limit cycles to strange attractors | We define a quantitative notion of shear for limit cycles of flows. We prove that strange attractors and SRB measures emerge when systems exhibiting limit cycles with sufficient shear are subjected to periodic pulsatile drives. The strange attractors possess a number of precisely-defined dynamical properties that toget... | [
"math.DS",
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"math.MP",
"nlin.CD"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10997372 | 1003.6053 | 2010-03-31 | Wellposedness of Second Order Backward SDEs | We provide an existence and uniqueness theory for an extension of backward SDEs to the second order. While standard Backward SDEs are naturally connected to semilinear PDEs, our second order extension is connected to fully nonlinear PDEs, as suggested by Cheridito et.al. In particular, we provide a fully nonlinear exte... | [
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119194412 | 1003.6097 | 2010-03-31 | Hunting for Primordial Non-Gaussianity in the Cosmic Microwave Background | Since the first limit on the (local) primordial non-Gaussianity parameter, fNL, was obtained from COBE data in 2002, observations of the CMB have been playing a central role in constraining the amplitudes of various forms of non-Gaussianity in primordial fluctuations. The current 68% limit from the 7-year WMAP data is ... | [
"astro-ph.CO",
"gr-qc",
"hep-ph",
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10222069 | 1004.0208 | 2010-04-01 | Delay-rate tradeoff in ergodic interference alignment | Ergodic interference alignment, as introduced by Nazer et al (NGJV), is a technique that allows high-rate communication in n-user interference networks with fast fading. It works by splitting communication across a pair of fading matrices. However, it comes with the overhead of a long time delay until matchable matrice... | [
"cs.IT",
"math.IT",
"math.PR"
] | null | [
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{
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{
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{
"corpus_id": "312158",
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] | [
{
"author_id": "o johnson_2",
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{
"author_id": "m aldridge_1",
"name": "Matthew Aldridge",
"publication_history": null,
"h_index": null,
"num_papers": nu... | null |
115182486 | 1004.0095 | 2010-04-01 | Convergence of a greedy algorithm for high-dimensional convex nonlinear problems | In this article, we present a greedy algorithm based on a tensor product decomposition, whose aim is to compute the global minimum of a strongly convex energy functional. We prove the convergence of our method provided that the gradient of the energy is Lipschitz on bounded sets. The main interest of this method is tha... | [
"math.FA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18364930 | 1004.0243 | 2010-04-01 | Psychophysiological Correlations with Gameplay Experience Dimensions | In this paper, we report a case study using two easy-to-deploy psychophysiological measures - electrodermal activity (EDA) and heart rate (HR) - and correlating them with a gameplay experience questionnaire (GEQ) in an attempt to establish this mixed-methods approach for rapid application in a commercial game developme... | [
"cs.HC",
"cs.MM"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a drachen_1",
"name": "Anders Drachen",
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{
"author_id": "l nacke_1",
"name": "Lennart [\"E.\"] Nacke",
"publication_history": null,
"h_index": null,
"num_papers":... | null |
35313126 | 1004.0223 | 2010-04-01 | A Close Companion Search around L Dwarfs using Aperture Masking Interferometry and Palomar Laser Guide Star Adaptive Optics | We present a close companion search around sixteen known early-L dwarfs using aperture masking interferometry with Palomar laser guide star adaptive optics. The use of aperture masking allows the detection of close binaries, corresponding to projected physical separations of 0.6-10.0 AU for the targets of our survey. T... | [
"astro-ph.SR",
"astro-ph.IM"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
12350084 | 1004.0190 | 2010-04-01 | Necessary and sufficient condition for non-zero quantum discord | Quantum discord characterizes "non-classicality" of correlations in quantum mechanics. It has been proposed as the key resource present in certain quantum communication tasks and quantum computational models without containing much entanglement. We obtain a necessary and sufficient condition for the existence of non-ze... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
30985110 | 1004.0103 | 2010-04-01 | Mass media and repulsive interactions in continuous-opinion dynamics | This letter focus on the effect of repulsive interactions on the adoption of an external message in an opinion model. With a simple change in the rules, we modify the Deffuant \emph{et al.} model to incorporate the presence of repulsive interactions. We will show that information receptiveness is optimal for an interme... | [
"nlin.AO"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "t martins_5",
"name": "Teresa [\"Vaz\"] Martins",
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{
"author_id": "m pineda_1",
"name": "Miguel Pineda",
"publication_history": null,
"h_index": null,
"num_papers... | null |
4784989 | 1004.0060 | 2010-04-01 | Got the Flu (or Mumps)? Check the Eigenvalue! | For a given, arbitrary graph, what is the epidemic threshold? That is, under what conditions will a virus result in an epidemic? We provide the super-model theorem, which generalizes older results in two important, orthogonal dimensions. The theorem shows that (a) for a wide range of virus propagation models (VPM) that... | [
"physics.soc-ph",
"cond-mat.stat-mech",
"q-bio.PE"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "16298768",
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] | [
{
"author_id": "b prakash_1",
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{
"author_id": "d chakrabarti_2",
"name": "Deepayan Chakrabarti",
"publication_history": null,
"h_index": null,
... | null |
10544646 | 1004.0368 | 2010-04-02 | Semi-algebraic functions have small subdifferentials | We prove that the subdifferential of any semi-algebraic extended-real-valued function on $\R^n$ has $n$-dimensional graph. We discuss consequences for generic semi-algebraic optimization problems. | [
"math.OC"
] | null | [
"target.author.publication_history",
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{
"author_id": "d drusvyatskiy_1",
"name": "Dmitriy Drusvyatskiy",
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{
"author_id": "a lewis_7",
"name": "Adrian [\"S.\"] Lewis",
"publication_history": null,
"h_index": null,
"nu... | null |
10291112 | 1004.0273 | 2010-04-02 | A Reconstruction algorithm for an unknown network | The interest for networks of dynamical systems has been increasing in the past years, especially because of their capability of modeling and describing a large variety of phenomena and behaviors. We propose a technique, based on Wiener filtering, which provides general theoretical guarantees for the detection of links ... | [
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{
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26276765 | 1004.0348 | 2010-04-02 | Gamma-ray Light Curves and Variability of Bright Fermi-Detected Blazars | This paper presents light curves and the first systematic characterization of variability of the 106 objects in the Fermi Large Area Telescope (LAT) Bright AGN Sample (LBAS). Weekly light curves obtained during the first 11 months of survey (August 04, 2008 - July 04, 2009), are tested for variability, and their proper... | [
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{
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9361889 | 1004.0395 | 2010-04-02 | Estimating Self-Sustainability in Peer-to-Peer Swarming Systems | Peer-to-peer swarming is one of the \emph{de facto} solutions for distributed content dissemination in today's Internet. By leveraging resources provided by clients, swarming systems reduce the load on and costs to publishers. However, there is a limit to how much cost savings can be gained from swarming; for example, ... | [
"cs.NI",
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{
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54783626 | 1004.0320 | 2010-04-02 | Perturbation of Mode III interfacial cracks | We consider the perturbation problem of a Mode III interfacial crack. The perturbation is of geometrical type and can be both perturbation of the crack faces and perturbation of the interface, which can deviate from the initial straight line configuration. Asymptotic formulae are derived for the first-order perturbatio... | [
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"name": "Gennady Mishuris",
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"h_index": null,
"num_paper... | null |
18511091 | 1004.0356 | 2010-04-02 | Accuracy and Decision Time for Sequential Decision Aggregation | This paper studies prototypical strategies to sequentially aggregate independent decisions. We consider a collection of agents, each performing binary hypothesis testing and each obtaining a decision over time. We assume the agents are identical and receive independent information. Individual decisions are sequentially... | [
"stat.AP",
"math.ST",
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{
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"author_id": "r carli_1",
"name": "Ruggero Carli",
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4772866 | 1004.0383 | 2010-04-02 | Multiuser Diversity Gain in Cognitive Networks | Dynamic allocation of resources to the \emph{best} link in large multiuser networks offers considerable improvement in spectral efficiency. This gain, often referred to as \emph{multiuser diversity gain}, can be cast as double-logarithmic growth of the network throughput with the number of users. In this paper we consi... | [
"cs.IT",
"math.IT"
] | null | [
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{
"author_id": "a tajer_1",
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{
"author_id": "x wang_359",
"name": "Xiaodong Wang",
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"num_papers": null,
"num... | null |
15099572 | 1004.0342 | 2010-04-02 | Scaling studies of QCD with the dynamical HISQ action | We study the lattice spacing dependence, or scaling, of physical quantities using the highly improved staggered quark (HISQ) action introduced by the HPQCD/UKQCD collaboration, comparing our results to similar simulations with the asqtad fermion action. Results are based on calculations with lattice spacings approximat... | [
"hep-lat"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
43635307 | 1004.0276 | 2010-04-02 | Modeling the Time Variability of SDSS Stripe 82 Quasars as a Damped Random Walk | We model the time variability of ~9,000 spectroscopically confirmed quasars in SDSS Stripe 82 as a damped random walk. Using 2.7 million photometric measurements collected over 10 years, we confirm the results of Kelly et al. (2009) and Koz{\l}owski et al. (2010) that this model can explain quasar light curves at an im... | [
"astro-ph.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119225208 | 1004.0413 | 2010-04-03 | Membranes with Topological Charge and AdS4/CFT3 Correspondence | If the second Betti number b_2 of a Sasaki-Einstein manifold Y^7 does not vanish, then M-theory on AdS_4 x Y^7 possesses "topological" U(1)^{b_2} gauge symmetry. The corresponding Abelian gauge fields come from three-form fluctuations with one index in AdS_4 and the other two in Y^7. We find black membrane solutions ca... | [
"hep-th"
] | null | [
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] | [
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{
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{
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},
{
"corpus_id": "7598959",
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] | [
{
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{
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9016031 | 1004.0570 | 2010-04-04 | Tools and techniques for Network Forensics | Network forensics deals with the capture, recording and analysis of network events in order to discover evidential information about the source of security attacks in a court of law. This paper discusses the different tools and techniques available to conduct network forensics. Some of the tools discussed include: eMai... | [
"cs.NI"
] | null | [
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] | [] | [
{
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"h_index": null,
... | null |
5404691 | 1004.0517 | 2010-04-04 | Multilinear Biased Discriminant Analysis: A Novel Method for Facial Action Unit Representation | In this paper a novel efficient method for representation of facial action units by encoding an image sequence as a fourth-order tensor is presented. The multilinear tensor-based extension of the biased discriminant analysis (BDA) algorithm, called multilinear biased discriminant analysis (MBDA), is first proposed. The... | [
"cs.CV",
"cs.LG"
] | null | [
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] | [] | [
{
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{
"author_id": "m safayani_1",
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8360754 | 1004.0479 | 2010-04-04 | Dynamic Product Assembly and Inventory Control for Maximum Profit | We consider a manufacturing plant that purchases raw materials for product assembly and then sells the final products to customers. There are M types of raw materials and K types of products, and each product uses a certain subset of raw materials for assembly. The plant operates in slotted time, and every slot it make... | [
"math.OC"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16194007 | 1004.0512 | 2010-04-04 | Analysis, Interpretation, and Recognition of Facial Action Units and Expressions Using Neuro-Fuzzy Modeling | In this paper an accurate real-time sequence-based system for representation, recognition, interpretation, and analysis of the facial action units (AUs) and expressions is presented. Our system has the following characteristics: 1) employing adaptive-network-based fuzzy inference systems (ANFIS) and temporal informatio... | [
"cs.CV"
] | null | [
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] | [] | [
{
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956710 | 1004.0557 | 2010-04-04 | Applications of Lindeberg Principle in Communications and Statistical Learning | We use a generalization of the Lindeberg principle developed by Sourav Chatterjee to prove universality properties for various problems in communications, statistical learning and random matrix theory. We also show that these systems can be viewed as the limiting case of a properly defined sparse system. The latter res... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
11489592 | 1004.0515 | 2010-04-04 | Recognizing Combinations of Facial Action Units with Different Intensity Using a Mixture of Hidden Markov Models and Neural Network | Facial Action Coding System consists of 44 action units (AUs) and more than 7000 combinations. Hidden Markov models (HMMs) classifier has been used successfully to recognize facial action units (AUs) and expressions due to its ability to deal with AU dynamics. However, a separate HMM is necessary for each single AU and... | [
"cs.CV",
"cs.LG"
] | null | [
"target.author.publication_history"
] | [] | [
{
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{
"author_id": "m shalmani_1",
"name": "Mohammad [\"Taghi\",\"Manzuri\"] Shalmani",
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"h_index": ... | null |
14712331 | 1004.0542 | 2010-04-04 | Cognitive Interference Management in Retransmission-Based Wireless Networks | Cognitive radio methodologies have the potential to dramatically increase the throughput of wireless systems. Herein, control strategies which enable the superposition in time and frequency of primary and secondary user transmissions are explored in contrast to more traditional sensing approaches which only allow the s... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118811248 | 1004.0696 | 2010-04-05 | Dusty Disks around White Dwarfs I: Origin of Debris Disks | A significant fraction of the mature FGK stars have cool dusty disks at least an orders of magnitudes brighter than the solar system's outer zodiacal light. Since such dusts must be continually replenished, they are generally assumed to be the collisional fragments of residual planetesimals analogous to the Kuiper Belt... | [
"astro-ph.EP",
"astro-ph.SR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
40589037 | 1004.0546 | 2010-04-05 | Atomically thin MoS2: A new direct-gap semiconductor | The electronic properties of ultrathin crystals of molybdenum disulfide consisting of N = 1, 2, ... 6 S-Mo-S monolayers have been investigated by optical spectroscopy. Through characterization by absorption, photoluminescence, and photoconductivity spectroscopy, we trace the effect of quantum confinement on the materia... | [
"cond-mat.mtrl-sci",
"cond-mat.mes-hall"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18385743 | 1004.0595 | 2010-04-05 | Precautionary Measures for Credit Risk Management in Jump Models | Sustaining efficiency and stability by properly controlling the equity to asset ratio is one of the most important and difficult challenges in bank management. Due to unexpected and abrupt decline of asset values, a bank must closely monitor its net worth as well as market conditions, and one of its important concerns ... | [
"q-fin.RM",
"math.OC"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2626197 | 1004.0762 | 2010-04-05 | Integrating identity-based cryptography in IMS service authentication | Nowadays, the IP Multimedia Subsystem (IMS) is a promising research field. Many ongoing works related to the security and the performances of its employment are presented to the research community. Although, the security and data privacy aspects are very important in the IMS global objectives, they observe little atten... | [
"cs.CR",
"cs.MM"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m abid_2",
"name": "Mohamed [\"Riduan\"] Abid",
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},
{
"author_id": "s song_78",
"name": "Songbo Song",
"publication_history": null,
"h_index": null,
"num_papers": nu... | null |
1467 | 1004.0739 | 2010-04-05 | Measuring and Synthesizing Systems in Probabilistic Environments | Often one has a preference order among the different systems that satisfy a given specification. Under a probabilistic assumption about the possible inputs, such a preference order is naturally expressed by a weighted automaton, which assigns to each word a value, such that a system is preferred if it generates a highe... | [
"cs.LO",
"cs.FL",
"cs.GT"
] | null | [
"target.author.publication_history"
] | [] | [
{
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{
"author_id": "t henzinger_1",
"name": "Thomas [\"A.\"] Henzinger",
"publication_history": null,
"h_index": null,
... | null |
15333517 | 1004.0766 | 2010-04-05 | Text/Graphics Separation for Business Card Images for Mobile Devices | Separation of the text regions from background texture and graphics is an important step of any optical character recognition sytem for the images containg both texts and graphics. In this paper, we have presented a novel text/graphics separation technique for business card images captured with a cell-phone camera. At ... | [
"cs.GR"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a mollah_1",
"name": "Ayatullah [\"Faruk\"] Mollah",
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},
{
"author_id": "s basu_10",
"name": "Subhadip Basu",
"publication_history": null,
"h_index": null,
"num_pape... | null |
119284322 | 1004.0643 | 2010-04-05 | A detailed study of the accretion disk surrounding the high-mass protostar NGC 7538S | We present deep high angular resolution observations of the high-mass protostar NGC 7538S, which is in the center of a cold dense cloud core with a radius of 0.5 pc and a mass of ~2,000 Msun. These observations show that NGC 7538S is embedded in a compact elliptical core with a mass of 85 - 115 Msun. The star is surrou... | [
"astro-ph.SR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14846328 | 1004.0591 | 2010-04-05 | A new key establishment scheme for wireless sensor networks | Traditional key management techniques, such as public key cryptography or key distribution center (e.g., Kerberos), are often not effective for wireless sensor networks for the serious limitations in terms of computational power, energy supply, network bandwidth. In order to balance the security and efficiency, we prop... | [
"cs.CR",
"cs.NI"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "e wang_12",
"name": "Eric [\"Ke\"] Wang",
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},
{
"author_id": "l hui_6",
"name": "Lucas [\"Chi\",\"Kwong\"] Hui",
"publication_history": null,
"h_index": null,
"num_p... | null |
6148401 | 1004.0755 | 2010-04-05 | Extended Two-Dimensional PCA for Efficient Face Representation and Recognition | In this paper a novel method called Extended Two-Dimensional PCA (E2DPCA) is proposed which is an extension to the original 2DPCA. We state that the covariance matrix of 2DPCA is equivalent to the average of the main diagonal of the covariance matrix of PCA. This implies that 2DPCA eliminates some covariance informatio... | [
"cs.CV",
"cs.LG"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m safayani_1",
"name": "Mehran Safayani",
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},
{
"author_id": "m shalmani_1",
"name": "Mohammad [\"Taghi\",\"Manzuri\"] Shalmani",
"publication_history": null,
"h_index":... | null |
118783278 | 1004.0705 | 2010-04-05 | An Empirical Characterization of Extended Cool Gas Around Galaxies Using MgII Absorption Features | We report results from a survey of MgII absorbers in the spectra of background QSOs that are within close angular distances to a foreground galaxy at z<0.5, using the Magellan Echellette Spectrograph. We have established a spectroscopic sample of 94 galaxies at a median redshift of <z> = 0.24 in fields around 70 distan... | [
"astro-ph.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
28576228 | 1004.0615 | 2010-04-05 | Core-Collapse Supernovae from the Palomar Transient Factory: Indications for a Different Population in Dwarf Galaxies | We use the first compilation of 72 core-collapse supernovae (SNe) from the Palomar Transient Factory (PTF) to study their observed subtype distribution in dwarf galaxies compared to giant galaxies. Our sample is the largest single-survey, untargeted, spectroscopically classified, homogeneous collection of core-collapse... | [
"astro-ph.CO",
"astro-ph.SR"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "14370022",
"num_citations": null
},
{
"corpus_id": "17693683",
"num_citations": null
},
{
"corpus_id": "18089732",
"num_citations": null
}
] | [
{
"author_id": "i arcavi_1",
"name": "Iair Arcavi",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "a gal-yam_1",
"name": "Avishay Gal-yam",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
10910388 | 1004.0899 | 2010-04-06 | Relay Beamforming Strategies for Physical-Layer Security | In this paper, collaborative use of relays to form a beamforming system and provide physical-layer security is investigated. In particular, amplify-and-forward (AF) relay beamforming designs under total and individual relay power constraints are studied with the goal of maximizing the secrecy rates when perfect channel... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "225474",
"num_citations": null
}
] | [
{
"author_id": "j zhang_255",
"name": "Junwei Zhang",
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"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "m gursoy_2",
"name": "Mustafa [\"Cenk\"] Gursoy",
"publication_history": null,
"h_index": null,
"num_papers... | null |
7153626 | 1004.0891 | 2010-04-06 | Secure Communication over Fading Channels with Statistical QoS Constraints | In this paper, the secure transmission of information over an ergodic fading channel is investigated in the presence of statistical quality of service (QoS) constraints. We employ effective capacity, which provides the maximum constant arrival rate that a given process can support while satisfying statistical delay con... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "d qiao_4",
"name": "Deli Qiao",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "m gursoy_2",
"name": "Mustafa [\"Cenk\"] Gursoy",
"publication_history": null,
"h_index": null,
"num_papers": nul... | null |
7168330 | 1004.1001 | 2010-04-06 | The Graph Traversal Pattern | A graph is a structure composed of a set of vertices (i.e.nodes, dots) connected to one another by a set of edges (i.e.links, lines). The concept of a graph has been around since the late 19$^\text{th}$ century, however, only in recent decades has there been a strong resurgence in both theoretical and applied graph res... | [
"cs.DS",
"cs.DB"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
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