Repeater-assisted Zeno effect in classical stochastic processesAs a classical state, for instance a digitized image, is transferred through a classical channel, it decays inevitably with the distance due to the surroundings' interferences. However, if there…Shi-Jian Gu, Li-Gang Wang, Zhi-Guo Wang et al.·Nov 28, 2009SaveLearn
Edge Adapted Wavelets, Solar Magnetic Activity, and Climate ChangeThe continuous wavelet transform is adapted to account for signal truncation through renormalization and by modifying the shape of the analyzing window. Comparison is made of the instant and…Robert W. Johnson·Nov 24, 2009SaveLearn
Optimal confidence intervals for bounded parameters (a correct alternative to the recipe of Feldman and Cousins)A priori bound for the parameter to be estimated is incorporated into confidence intervals within frequentistic approach in a straightforward and optimal fashion, ensuring the best resolution of…Fyodor V. Tkachov·Nov 23, 2009SaveLearn
Collaboration in sensor network research: an in-depth longitudinal analysis of assortative mixing patternsMany investigations of scientific collaboration are based on statistical analyses of large networks constructed from bibliographic repositories. These investigations often rely on a wealth of…Alberto Pepe, Marko A. Rodriguez·Nov 22, 2009SaveLearn
Musical Genres: Beating to the Rhythms of Different DrumsOnline music databases have increased signicantly as a consequence of the rapid growth of the Internet and digital audio, requiring the development of faster and more efficient tools for music…Debora C. Correa, Jose H. Saito, Luciano da F. Costa·Nov 19, 2009SaveLearn
Perturbation theory for a stochastic process with Ornstein-Uhlenbeck noiseThe Ornstein-Uhlenbeck process may be used to generate a noise signal with a finite correlation time. If a one-dimensional stochastic process is driven by such a noise source, it may be analysed by…Michael Wilkinson·Nov 15, 2009SaveLearn
Optimal map of the modular structure of complex networksModular structure is pervasive in many complex networks of interactions observed in natural, social and technological sciences. Its study sheds light on the relation between the structure and…Alex Arenas, Javier Borge-Holthoefer, Sergio Gomez et al.·Nov 13, 2009SaveLearn
Jointly Poisson processesWhat constitutes jointly Poisson processes remains an unresolved issue. This report reviews the current state of the theory and indicates how the accepted but unproven model equals that resulting…D. H. Johnson, I. N. Goodman·Nov 13, 2009SaveLearn
Analytical Determination of Fractal Structure in Stochastic Time SeriesCurrent methods for determining whether a time series exhibits fractal structure (FS) rely on subjective assessments on estimators of the Hurst exponent (H). Here, I introduce the Bayesian Assessment…Fermín Moscoso del Prado Martín·Nov 12, 2009SaveLearn
Multifractality of the multiplicative autoregressive point processesMultiplicative processes and multifractals have earned increased popularity in applications ranging from hydrodynamic turbulence to computer network traffic, from image processing to economics. We…B. Kaulakys, M. Alaburda, V. Gontis et al.·Nov 11, 2009SaveLearn
Community Structure in Time-Dependent, Multiscale, and Multiplex NetworksNetwork science is an interdisciplinary endeavor, with methods and applications drawn from across the natural, social, and information sciences. A prominent problem in network science is the…Peter J. Mucha, Thomas Richardson, Kevin Macon et al.·Nov 10, 2009SaveLearn
Community Structure of the Physical Review Citation NetworkWe investigate the community structure of physics subfields in the citation network of all Physical Review publications between 1893 and August 2007. We focus on well-cited publications (those…P. Chen, S. Redner·Nov 3, 2009SaveLearn
Investigating Bimodal Clustering in Human MobilityWe apply a simple clustering algorithm to a large dataset of cellular telecommunication records, reducing the complexity of mobile phone users' full trajectories and allowing for simple…James P. Bagrow, Tal Koren·Nov 3, 2009SaveLearn
Photogrammetry and ballistic analysis of a high-flying projectile in the STS-124 space shuttle launchA method combining photogrammetry with ballistic analysis is demonstrated to identify flying debris in a rocket launch environment. Debris traveling near the STS-124 Space Shuttle was captured on…Philip T. Metzger, John E. Lane, Robert A. Carilli et al.·Oct 22, 2009SaveLearn
Has the world economy reached its globalization limit?The economy globalization measure problem is discussed. Four macroeconomic indices of twenty among the "richest" countries are examined. Four types of "distances" are calculated.Two…Janusz Miskiewicz, Marcel Ausloos·Oct 19, 2009SaveLearn
Agent-based Simulation of Human Movement Shaped by the Underlying Street StructureRelying on random and purposive moving agents, we simulated human movement in large street networks. We found that aggregate flow, assigned to individual streets, is mainly shaped by the underlying…Bin Jiang, Tao Jia·Oct 16, 2009SaveLearn
A Statistical Prescription to Estimate Properly Normalized Distributions of Different Particle SpeciesWe describe a statistical method to avoid biased estimation of the content of different particle species. We consider the case when the particle identification information strongly depends on some…Massimo Casarsa, Pierluigi Catastini, Giovanni Punzi et al.·Oct 12, 2009SaveLearn
Application of the rule-growing algorithm RIPPER to particle physics analysisA large hadron machine like the LHC with its high track multiplicities always asks for powerful tools that drastically reduce the large background while selecting signal events efficiently. Actually…Markward Britsch, Nikolai Gagunashvili, Michael Schmelling·Oct 9, 2009SaveLearn
Pearson Walk with Shrinking Steps in Two DimensionsWe study the shrinking Pearson random walk in two dimensions and greater, in which the direction of the Nth is random and its length equals lambdaN-1, with lambda<1. As lambda increases past a…C. A. Serino, S. Redner·Oct 5, 2009SaveLearn
Cracking the Liu key exchange protocol in its most secure state with Lorentzian spectraWe have found a security risk in the Liu's cypher based on random signals and feedback, when it utilizes a large class of noises for communication in its most secure state, the steady state. For…Lazar L. Kish, Bruce Zhang, Laszlo B. Kish·Oct 5, 2009SaveLearn
Reducing multi-dimensional information into a 1-d histogramWe present two methods for reducing multidimensional information to one dimension for ease of understand or analysis while maintaining statistical power. While not new, dimensional reduction is not…Mario Campanelli, William Murray·Oct 3, 2009SaveLearn
The performance of modularity maximization in practical contextsAlthough widely used in practice, the behavior and accuracy of the popular module identification technique called modularity maximization is not well understood in practical contexts. Here, we…Benjamin H. Good, Yves-Alexandre de Montjoye, Aaron Clauset·Oct 1, 2009SaveLearn
Slepian functions and their use in signal estimation and spectral analysisIt is a well-known fact that mathematical functions that are timelimited (or spacelimited) cannot be simultaneously bandlimited (in frequency). Yet the finite precision of measurement and computation…Frederik J. Simons·Sep 29, 2009SaveLearn
Effects of Prediction Feedback in Multi-Route Intelligent Traffic SystemsWe first study the influence of an efficient feedback strategy named prediction feedback strategy (PFS) based on a multi-route scenario in which dynamic information can be generated and displayed on…Chuanfei Dong, Xu Ma, Binghong Wang et al.·Sep 28, 2009SaveLearn
Prediction feedback in intelligent traffic systemsThe optimal information feedback has a significant effect on many socioeconomic systems like stock market and traffic systems aiming to make full use of resources. In this paper, we studied dynamics…Dong Chuan-Fei, Ma Xu, Wang Guan-Wen et al.·Sep 28, 2009SaveLearn