First Experiences with LHC Grid Computing and Distributed AnalysisIn this presentation the experiences of the LHC experiments using grid computing were presented with a focus on experience with distributed analysis. After many years of development, preparation,…Ian Fisk·Dec 9, 2010SaveLearn
Spring-block model for a single-lane highway trafficA simple one-dimensional spring-block chain with asymmetric interactions is considered to model an idealized single-lane highway traffic. The main elements of the system are blocks (modeling cars),…Ferenc Jarai-Szabo, Bulcsu Sandor, Zoltan Neda·Dec 9, 2010SaveLearn
Measuring maximal eigenvalue distribution of Wishart random matrices with coupled lasersWe determined the probability distribution of the combined output power from twenty five coupled fiber lasers and show that it agrees well with the Tracy-Widom, Majumdar-Vergassola and…Moti Fridman, Rami Pugatch, Micha Nixon et al.·Dec 6, 2010SaveLearn
Identification of overlapping communities and their hierarchy by locally calculating community-changing resolution levelsWe propose a new local, deterministic and parameter-free algorithm that detects fuzzy and crisp overlapping communities in a weighted network and simultaneously reveals their hierarchy. Using a local…Frank Havemann, Michael Heinz, Alexander Struck et al.·Dec 6, 2010SaveLearn
ISO Filters in Precision Engineering and Production MeasurementFilters are used in precision engineering and production measurement to suppress unwanted components in measured data, to reconstruct the sampled surface in case of tactile measurements, or to…Michael P. Krystek·Dec 3, 2010SaveLearn
On combining significances. Some trivial examplesFor Poisson distribution Pois(n, λ) with λ 1, n 1 we propose to determine significance as S = nobs-λλ. The significance S coincides up to sign with often used…N. V. Krasnikov, S. I. Bityukov·Dec 2, 2010SaveLearn
Generation of degree-correlated networks using copulasDynamical processes on complex networks such as information propagation, innovation diffusion, cascading failures or epidemic spreading are highly affected by their underlying topologies as…Mathias Raschke, Markus Schläpfer, Konstantinos Trantopoulos·Dec 1, 2010SaveLearn
Catastrophic Cascade of Failures in Interdependent NetworksModern network-like systems are usually coupled in such a way that failures in one network can affect the entire system. In infrastructures, biology, sociology, and economy, systems are…S. Havlin, N. A. M. Araujo, S. V. Buldyrev et al.·Dec 1, 2010SaveLearn
Universal patterns in sound amplitudes of songs and music genresWe report a statistical analysis over more than eight thousand songs. Specifically, we investigate the probability distribution of the normalized sound amplitudes. Our findings seems to suggest a…R. S. Mendes, H. V. Ribeiro, F. C. M. Freire et al.·Dec 1, 2010SaveLearn
Super-extreme event's influence on a Weierstrass-Mandelbrot Continuous-Time Random WalkTwo utmost cases of super-extreme event's influence on the velocity autocorrelation function (VAF) were considered. The VAF itself was derived within the hierarchical Weierstrass-Mandelbrot…Tomasz Gubiec, Tomasz R. Werner, Ryszard Kutner et al.·Nov 30, 2010SaveLearn
Classifying extremely imbalanced data setsImbalanced data sets containing much more background than signal instances are very common in particle physics, and will also be characteristic for the upcoming analyses of LHC data. Following up the…Markward Britsch, Nikolai Gagunashvili, Michael Schmelling·Nov 29, 2010SaveLearn
Earthquake-like patterns of acoustic emission in crumpled plastic sheetsWe report remarkable similarities in the output signal of two distinct out-of- equilibrium physical systems - earthquakes and the intermittent acoustic noise emitted by crum- pled plastic sheets -…R. S. Mendes, L. C. Malacarne, R. P. B. Santos et al.·Nov 24, 2010SaveLearn
Application of a Quantum Ensemble Model to Linguistic AnalysisA new set of parameters to describe the word frequency behavior of texts is proposed. The analogy between the word frequency distribution and the Bose-distribution is suggested and the notion of…Andrij Rovenchak, Solomija Buk·Nov 23, 2010SaveLearn
Charm Physics Performance Studies for PANDAThe study of the charmonium (cbar c) system is a powerful tool to understand the strong interaction. In pbar p annihilations studied with PANDA, the mass and width of the charmonium state, such as…Aleksandra Biegun·Nov 22, 2010SaveLearn
Evaluating cumulative ascent: Mountain biking meets MandelbrotThe problem of determining total distance ascended during a mountain bike trip is addressed. Altitude measurements are obtained from GPS receivers utilizing both GPS-based and barometric altitude…D. C. Rapaport·Nov 22, 2010SaveLearn
Icequakes coupled with surface displacements for predicting glacier break-offA hanging glacier at the east face of Weisshorn (Switzerland) broke off in 2005. We were able to monitor and measure surface motion and icequake activity for 25 days up to three days prior to the…Jerome Faillettaz, Didier Sornette, Martin Funk·Nov 22, 2010SaveLearn
Measuring the Hierarchy of Feedforward NetworksIn this paper we explore the concept of hierarchy as a quantifiable descriptor of ordered structures, departing from the definition of three conditions to be satisfied for a hierarchical structure:…Bernat Corominas-Murtra, Joaquín Goñi, Carlos Rodríguez-Caso et al.·Nov 19, 2010SaveLearn
Trip Length Distribution Under Multiplicative Spatial Models of Supply and Demand: Theory and Sensitivity AnalysisWe propose new probabilistic models for the spatial distribution of supply and demand and use the models to determine how the trip length distribution is affected by the relative shortage or excess…Daniele Veneziano, Marta C. Gonzalez·Nov 19, 2010SaveLearn
Maximum entropy generation in open systems: the Fourth Law?This paper develops an analytical and rigorous formulation of the maximum entropy generation principle. The result is suggested as the Fourth Law of Thermodynamics.Umberto Lucia·Nov 17, 2010SaveLearn
Evolutionary method for finding communities in bipartite networksAn important step in unveiling the relation between network structure and dynamics defined on networks is to detect communities, and numerous methods have been developed separately to identify…Zhan WeiHua, Zhang Zhongzhi, Guan Jihong et al.·Nov 15, 2010SaveLearn
Emergence of cooperation with self-organized criticalityCooperation and self-organized criticality are two main keywords in current studies of evolution. We propose a generalized Bak-Sneppen model and provide a natural mechanism which accounts for both…Sangmin Park, Hyeong-Chai Jeong·Nov 9, 2010SaveLearn
p-Values for Model EvaluationDeciding whether a model provides a good description of data is often based on a goodness-of-fit criterion summarized by a p-value. Although there is considerable confusion concerning the meaning of…Frederik Beaujean, Allen Caldwell, Daniel Kollar et al.·Nov 7, 2010SaveLearn
Irreversible Aggregation and Network RenormalizationIrreversible aggregation is revisited in view of recent work on renormalization of complex networks. Its scaling laws and phase transitions are related to percolation transitions seen in the latter.…Seung-Woo Son, Golnoosh Bizhani, Claire Christensen et al.·Nov 3, 2010SaveLearn
Modeling the structure and evolution of discussion cascadesWe analyze the structure and evolution of discussion cascades in four popular websites: Slashdot, Barrapunto, Meneame and Wikipedia. Despite the big heterogeneities between these sites, a…Vicenç Gómez, Hilbert J. Kappen, Andreas Kaltenbrunner·Nov 2, 2010SaveLearn
Parametric fitting of data obtained from detectors with finite resolution and limited acceptanceA goodness-of-fit test for the fitting of a parametric model to data obtained from a detector with finite resolution and limited acceptance is proposed. The parameters of the model are found by…N. D. Gagunashvili·Nov 2, 2010SaveLearn