Synchronization in Networks of Coupled Harmonic Oscillators with Stochastic Perturbation and Time DelaysIn this paper, we investigate synchronization of coupled second-order linear harmonic oscillators with random noises and time delays. The interaction topology is modeled by a weighted directed graph…Yilun Shang·Sep 28, 2009SaveLearn
Empirical analysis of web-based user-object bipartite networksUnderstanding the structure and evolution of web-based user-object networks is a significant task since they play a crucial role in e-commerce nowadays. This Letter reports the empirical analysis on…Mingsheng Shang, Linyuan Lu, Yi-Cheng Zhang et al.·Sep 27, 2009SaveLearn
Comparison of Bayesian Land Surface Temperature algorithm performance with Terra MODIS observationsAn approach to land surface temperature (LST) estimation that relies upon Bayesian inference has been tested against multiband infrared radiometric imagery from the Terra MODIS instrument. Bayesian…J. A. Morgan·Sep 24, 2009SaveLearn
Reconstructing the Traffic State by Fusion of Heterogeneous DataWe present an advanced interpolation method for estimating smooth spatiotemporal profiles for local highway traffic variables such as flow, speed and density. The method is based on stationary…Martin Treiber, Arne Kesting, R. Eddie Wilson·Sep 24, 2009SaveLearn
Inference in particle tracking experiments by passing messages between imagesMethods to extract information from the tracking of mobile objects/particles have broad interest in biological and physical sciences. Techniques based on simple criteria of proximity in…M. Chertkov, L. Kroc, F. Krzakala et al.·Sep 23, 2009SaveLearn
Impact of sudden mass mortality on suicidesWe show that a large scale mass mortality results in increased numbers of suicides. As a case in point, we consider the influenza epidemic of October 1918 in the United States. In this month,…Bertrand M. Roehner·Sep 13, 2009SaveLearn
A Quantitative Measure of Theoretical Scientific MeritProgram review in the physical sciences may benefit from a framework within which to quantitatively discuss the scientific merit of a proposed theoretical program of research, and to assess the…Bruce Knuteson·Sep 12, 2009SaveLearn
Feasibility of 3D reconstructions from a single 2D diffraction measurementWe comment on the recent manuscript by Raines et al. [arXiv:0905.0269v2] (now published in Nature, vol. 463, p. 214-217, 2010), which suggests that in certain conditions a single diffraction…Pierre Thibault·Sep 9, 2009SaveLearn
Uncertainty Factors for Stage-Specific and Cumulative Results of Indirect MeasurementsEvaluation of a variable Yd from certain measured variable(s) Xi(s), by making use of their system-specific-relationship (SSR), is generally referred as the indirect measurement. Naturally the SSR…B. P. Datta·Sep 9, 2009SaveLearn
Generalized priority-queue network dynamics: Impact of team and hierarchyWe study the effect of team and hierarchy on the waiting-time dynamics of priority-queue networks. To this end, we introduce generalized priority-queue network models incorporating interaction rules…Won-kuk Cho, Byungjoon Min, K. -I. Goh et al.·Sep 8, 2009SaveLearn
Gibrat's law for cities: uniformly most powerful unbiased test of the Pareto against the lognormalWe address the general problem of testing a power law distribution versus a log-normal distribution in statistical data. This general problem is illustrated on the distribution of the 2000 US census…Y. Malevergne, V. Pisarenko, D. Sornette·Sep 7, 2009SaveLearn
High-resolution modal analysisUsual modal analysis techniques are based on the Fourier transform. Due to the Delta T . Delta f limitation, they perform poorly when the modal overlap mu exceeds 30%. A technique based on a…Kerem Ege, Xavier Boutillon, Bertrand David·Sep 4, 2009SaveLearn
SpecSwap RMC: A novel reverse Monte Carlo approach using a discrete configuration space and pre-computed propertiesWe present a novel approach to reverse Monte Carlo (RMC) modeling, SpecSwap-RMC, which makes use of pre-computed property data from a discrete configuration space replacing atomistic moves with swap…Mikael Leetmaa, Kjartan Thor Wikfeldt, Lars G. M. Pettersson·Sep 1, 2009SaveLearn
Allan Variance Analysis as Useful Tool to Determine Noise in Various Single-Molecule SetupsOne limitation on the performance of optical traps is the noise inherently present in every setup. Therefore, it is the desire of most experimentalists to minimize and possibly eliminate noise from…Fabian Czerwinski, Andrew C. Richardson, Christine Selhuber-Unkel et al.·Aug 31, 2009SaveLearn
Anomalous diffusion in the dynamics of complex processesAnomalous diffusion, process in which the mean-squared displacement of system states is a non-linear function of time, is usually identified in real stochastic processes by comparing experimental and…Serge F. Timashev, Yuriy S. Polyakov, Pavel I. Misurkin et al.·Aug 28, 2009SaveLearn
Compressive Inverse Scattering II. SISO Measurements with Born scatterersInverse scattering methods capable of compressive imaging are proposed and analyzed. The methods employ randomly and repeatedly (multiple-shot) the single-input-single-output (SISO) measurements in…Albert C. Fannjiang·Aug 27, 2009SaveLearn
A statistical model for the relation between exoplanets and their host starsA general model is proposed to explain the relation between the extrasolar planets (or exoplanets) detected until June 2008 and the main characteristics of their host stars through statistical…E. Martinez-Gomez, G. J. Babu·Aug 27, 2009SaveLearn
Variable Metric Stochastic Approximation TheoryWe provide a variable metric stochastic approximation theory. In doing so, we provide a convergence theory for a large class of online variable metric methods including the recently introduced online…Peter Sunehag, Jochen Trumpf, S. V. N. Vishwanathan et al.·Aug 25, 2009SaveLearn
Decomposing data sets into skewness modesWe derive the nonlinear equations satisfied by the coefficients of linear combinations that maximize their skewness when their variance is constrained to take a specific value. In order to…Rubén A. Pasmanter, Frank M. Selten·Aug 24, 2009SaveLearn
Quantifying Rational BeliefSome criticisms that have been raised against the Cox approach to probability theory are addressed. Should we use a single real number to measure a degree of rational belief? Can beliefs be compared?…Ariel Caticha·Aug 21, 2009SaveLearn
B-Rank: A top N Recommendation AlgorithmIn this paper B-Rank, an efficient ranking algorithm for recommender systems, is proposed. B-Rank is based on a random walk model on hypergraphs. Depending on the setup, B-Rank outperforms other…Marcel Blattner·Aug 19, 2009SaveLearn
Utilisation de la notion de copule en tomographieUn problème important en statistique est la détermination d'une loi de probabilité jointe à partir de ses lois marginales. Dans le cas bidimensionnel, les lois de probabilité marginales f1 (x) et…Doriano-Boris Pougaza, Ali Mohammad-Djafari, Jean-Francois Bercher·Aug 18, 2009SaveLearn
Dynamic quantum clustering: a method for visual exploration of structures in dataA given set of data-points in some feature space may be associated with a Schrodinger equation whose potential is determined by the data. This is known to lead to good clustering solutions. Here we…Marvin Weinstein, David Horn·Aug 18, 2009SaveLearn
Joint Image Restoration and Segmentation using Gauss-Markov-Potts Prior Models and Variational Bayesian Computation: Technical DetailsWe propose a method to restore and to segment simultaneously images degraded by a known point spread function (PSF) and additive white noise. For this purpose, we propose a joint Bayesian estimation…Hacheme Ayasso, Ali Mohammad-Djafari·Aug 13, 2009SaveLearn
Origin of the Scaling Law in Human Mobility: Hierarchical Organization of Traffic SystemsUncovering the mechanism leading to the scaling law in human trajectories is of fundamental importance in understanding many spatiotemporal phenomena. We propose a hierarchical geographical model to…Xiaopu Han, Qiang Hao, Binghong Wang et al.·Aug 9, 2009SaveLearn