MedWorm.com provides a medical RSS filtering service. Over 6000 RSS medical sources are combined and output via different filters. This feed contains the latest items from the 'Chaos' source. Fri, 19 Mar 2010 17:32:46 +0100 http://www.medworm.com/index.php?rid=3377902&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F013120%2F1%26agg%3Drss We present conditions guaranteeing cluster synch ... [Chaos 20, 013120 (2010)] published Wed Mar 17, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3377902 Thu, 18 Mar 2010 16:34:32 +0100 3377902 http://www.medworm.com/index.php?rid=3377901&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F013123%2F1%26agg%3Drss T. L. Carroll Filtering a chaotic signal through a recursive [or infinite impulse response (IIR)] filter has been shown to increase the dimension of chaos under certain conditions. Filtering with a nonrecursive [or finite impulse response (FIR)] filter should not increase dimension, but it has been shown that if ... [Chaos 20, 013123 (2010)] published Wed Mar 17, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3377901 Thu, 18 Mar 2010 16:34:32 +0100 3377901 http://www.medworm.com/index.php?rid=3377900&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F013121%2F1%26agg%3Drss Renato Calleja and Alessandra Celletti We implement different methods for the computation of the breakdown threshold of invariant attractors in the dissipative standard mapping. A first approach is based on the computation of the Sobolev norms of the function parametrizing the solution. Then we look for the approximating periodic orbits ... [Chaos 20, 013121 (2010)] published Wed Mar 17, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3377900 Thu, 18 Mar 2010 16:34:32 +0100 3377900 http://www.medworm.com/index.php?rid=3377899&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F013122%2F1%26agg%3Drss Zuo-Bing Wu The JTZ model [C. Jung, T. Tel, and E. Ziemniak, Chaos 3, 555 (1993)], as a theoretical model of a plane wake behind a circular cylinder in a narrow channel at a moderate Reynolds number, has previously been employed to analyze phenomena of chaotic scattering. It is extended here to describe an open ... [Chaos 20, 013122 (2010)] published Wed Mar 17, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3377899 Thu, 18 Mar 2010 16:34:32 +0100 3377899 http://www.medworm.com/index.php?rid=3362193&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F013118%2F1%26agg%3Drss M. S. Zakynthinaki, J. Madera Milla, A. Lopez Diaz De Durana, C. A. Cordente Martinez, G. Rodriguez Romo et al. We show how asymmetries in the movement patterns during the process of regaining balance after perturbation from quiet stance can be modeled by a set of coupled vector fields for the derivative with respect to time of the angles between the resultant ground reaction forces and the vertical in the an ... [Chaos 20, 013118 (2010)] published Fri Mar 12, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3362193 Sat, 13 Mar 2010 16:18:06 +0100 3362193 http://www.medworm.com/index.php?rid=3362192&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F013119%2F1%26agg%3Drss We present a method of modeling the basin of attraction as a three-dimensional function describing a two-dimensional manifold on which the dynamics of the system evolves from experimental time series data. Our method is based on the density of the data set and uses numerical optimization and data mo ... [Chaos 20, 013119 (2010)] published Fri Mar 12, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3362192 Sat, 13 Mar 2010 16:18:06 +0100 3362192 http://www.medworm.com/index.php?rid=3362191&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F019902%2F1%26agg%3Drss Zhongke Gao and Ningde Jin Abstract not available. [Chaos 20, 019902 (2010)] published Fri Mar 12, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3362191 Sat, 13 Mar 2010 16:18:06 +0100 3362191 http://www.medworm.com/index.php?rid=3353934&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F013117%2F1%26agg%3Drss Yoshito Hirata, Masashi Aono, Masahiko Hara, and Kazuyuki Aihara We propose a widely applicable scheme of coupling that models competitions among dynamical systems for fixed amounts of resources. Two oscillators coupled in this way synchronize in antiphase. Three oscillators coupled circularly show a number of oscillation modes such as rotation and partially in-p ... [Chaos 20, 013117 (2010)] published Wed Mar 10, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3353934 Thu, 11 Mar 2010 17:55:15 +0100 3353934 http://www.medworm.com/index.php?rid=3349884&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F013112%2F1%26agg%3Drss Aihua Hu, Zhenyuan Xu, and Liuxiao Guo The paper studies the existence of generalized synchronization in complex networks, which consist of chaotic systems. When a part of modified nodes are chaotic, and the others have asymptotically stable equilibriums or orbital asymptotically stable periodic solutions, under certain conditions, the e ... [Chaos 20, 013112 (2010)] published Tue Mar 9, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3349884 Wed, 10 Mar 2010 17:59:49 +0100 3349884 http://www.medworm.com/index.php?rid=3349883&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F013115%2F1%26agg%3Drss K. Sebastian Sudheer and M. Sabir Recently introduced function projective synchronization in which chaotic systems synchronize up to a scaling function has important applications in secure communications. We design coupling function for unidirectional coupling in identical and mismatched oscillators to realize function projective sy ... [Chaos 20, 013115 (2010)] published Tue Mar 9, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3349883 Wed, 10 Mar 2010 17:59:49 +0100 3349883 http://www.medworm.com/index.php?rid=3349882&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F013113%2F1%26agg%3Drss Bin Deng, Jiang Wang, Xile Wei, K. M. Tsang, and W. L. Chan In this paper different topologies of populations of FitzHughNagumo neurons have been introduce to investigate the effect of high-frequency driving on the response of neuron populations to a subthreshold low-frequency signal. We show that optimal amplitude of high-frequency driving enhances the resp ... [Chaos 20, 013113 (2010)] published Tue Mar 9, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3349882 Wed, 10 Mar 2010 17:59:49 +0100 3349882 http://www.medworm.com/index.php?rid=3349881&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F013116%2F1%26agg%3Drss E. Campos-Canton, J. G. Barajas-Ramirez, G. Solis-Perales, and R. Femat In this paper, we present a class of three-dimensional dynamical systems having multiscrolls which we call unstable dissipative systems (UDSs). The UDSs are dissipative in one of its components but unstable in the other two. This class of systems is constructed with a switching law to display variou ... [Chaos 20, 013116 (2010)] published Tue Mar 9, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3349881 Wed, 10 Mar 2010 17:59:49 +0100 3349881 http://www.medworm.com/index.php?rid=3349880&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F013114%2F1%26agg%3Drss R. Yamapi, G. Filatrella, and M. A. Aziz-Alaoui We analyze the global stability properties of birhythmicity in a self-sustained system with random excitations. The model is a multi-limit-cycle variation in the van der Pol oscillator introduced to analyze enzymatic substrate reactions in brain waves. We show that the two frequencies are strongly i ... [Chaos 20, 013114 (2010)] published Tue Mar 9, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3349880 Wed, 10 Mar 2010 17:59:49 +0100 3349880 http://www.medworm.com/index.php?rid=3346161&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F013110%2F1%26agg%3Drss We present a method to infer the degree distribution of a bursting neuron network from its dynamics. Burst synchronization (BS) of coupled MorrisLecar neurons has been studied under the weak coupling condition. In the BS state, all the neurons start and end bursting almost simultaneously, while the ... [Chaos 20, 013110 (2010)] published Mon Mar 8, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3346161 Tue, 09 Mar 2010 17:12:23 +0100 3346161 http://www.medworm.com/index.php?rid=3346160&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F013111%2F1%26agg%3Drss P. Perlikowski, S. Yanchuk, M. Wolfrum, A. Stefanski, P. Mosiolek et al. We study the dynamics of a ring of unidirectionally coupled autonomous Duffing oscillators. Starting from a situation where the individual oscillator without coupling has only trivial equilibrium dynamics, the coupling induces complicated transitions to periodic, quasiperiodic, chaotic, and hypercha ... [Chaos 20, 013111 (2010)] published Mon Mar 8, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3346160 Tue, 09 Mar 2010 17:12:23 +0100 3346160 http://www.medworm.com/index.php?rid=3334830&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F013109%2F1%26agg%3Drss J. Villalobos, B. A. Toledo, D. Pasten, V. Munoz, J. Rogan et al. We explore in detail the nontrivial and chaotic behavior of the traffic model proposed by Toledo et al. [Phys. Rev. E 70, 016107 (2004)] due to the richness of behavior present in the model, in spite of the fact that it is a minimalistic representation of basic city traffic dynamics. The chaotic beh ... [Chaos 20, 013109 (2010)] published Thu Mar 4, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3334830 Fri, 05 Mar 2010 16:25:22 +0100 3334830 http://www.medworm.com/index.php?rid=3301729&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F013108%2F1%26agg%3Drss Murray Shanahan A system of symmetrically coupled identical oscillators with phase lag is presented, which is capable of generating a large repertoire of transient (metastable) chimera states in which synchronization and desynchronization coexist. The oscillators are organized into communities, such that each oscil ... [Chaos 20, 013108 (2010)] published Mon Feb 22, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3301729 Wed, 24 Feb 2010 17:01:56 +0100 3301729 http://www.medworm.com/index.php?rid=3254030&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F017505%2F1%26agg%3Drss Francois Lekien and Shane D. Ross We generalize the concepts of finite-time Lyapunov exponent (FTLE) and Lagrangian coherent structures to arbitrary Riemannian manifolds. The methods are illustrated for convection cells on cylinders and Mobius strips, as well as for the splitting of the Antarctic polar vortex in the spherical strato ... [Chaos 20, 017505 (2010)] published Mon Feb 8, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3254030 Tue, 09 Feb 2010 16:35:15 +0100 3254030 http://www.medworm.com/index.php?rid=3239149&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F013107%2F1%26agg%3Drss C. Komalapriya, M. C. Romano, M. Thiel, N. Marwan, J. Kurths et al. The lack of long enough data sets is a major problem in the study of many real world systems. As it has been recently shown [C. Komalapriya, M. Thiel, M. C. Romano, N. Marwan, U. Schwarz, and J. Kurths, Phys. Rev. E 78, 066217 (2008)], this problem can be overcome in the case of ergodic systems if a ... [Chaos 20, 013107 (2010)] published Wed Feb 3, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3239149 Thu, 04 Feb 2010 16:39:17 +0100 3239149 http://www.medworm.com/index.php?rid=3211873&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F013106%2F1%26agg%3Drss P.-M. Binder and B. D. Wissman We use joint probability matrices for measurements at different times to describe chaotic systems. By coarse graining the range of the measured variable into uniformly sized bins we can generate matrices that contain both topological and metric information about the systems being studied. Armed with ... [Chaos 20, 013106 (2010)] published Tue Jan 26, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3211873 Wed, 27 Jan 2010 16:19:40 +0100 3211873 http://www.medworm.com/index.php?rid=3193277&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F013105%2F1%26agg%3Drss M. P. Hanias, I. L. Giannis, and G. S. Tombras In this paper, we present an externally triggered experimental chaotic circuit with a bipolar junction transistor operating in its reverse active region in order to investigate for possible control features in its output phase portraits. Nonlinear time series modeling techniques are applied to analy ... [Chaos 20, 013105 (2010)] published Wed Jan 20, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3193277 Thu, 21 Jan 2010 16:25:26 +0100 3193277 http://www.medworm.com/index.php?rid=3188783&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F010202%2F1%26agg%3Drss J. A. Almendral, R. Criado, I. Leyva, J. M. Buldu, and I. Sendina Nadal Abstract not available. [Chaos 20, 010202 (2010)] published Tue Jan 19, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3188783 Wed, 20 Jan 2010 16:47:13 +0100 3188783 http://www.medworm.com/index.php?rid=3188782&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F013104%2F1%26agg%3Drss Xiuqiao Xiang and Baochang Shi Based on the chaotic oscillator, a method for weak signal detection using information fusion technology is proposed in this paper. On the one hand, various methods are employed to the amplitude detection of the same weak periodic signal, then the detection outcomes are fused by the adaptive weighted ... [Chaos 20, 013104 (2010)] published Tue Jan 19, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3188782 Wed, 20 Jan 2010 16:47:13 +0100 3188782 http://www.medworm.com/index.php?rid=3175408&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F010201%2F1%26agg%3Drss C. A. Brackley, O. Ebenhoh, C. Grebogi, A. Moura, M. C. Romano et al. Abstract not available. [Chaos 20, 010201 (2010)] published Thu Jan 14, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3175408 Fri, 15 Jan 2010 16:12:20 +0100 3175408 http://www.medworm.com/index.php?rid=3175407&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F013103%2F1%26agg%3Drss Francesco Sorrentino, Gilad Barlev, Adam B. Cohen, and Edward Ott In past works, various schemes for adaptive synchronization of chaotic systems have been proposed. The stability of such schemes is central to their utilization. As an example addressing this issue, we consider a recently proposed adaptive scheme for maintaining the synchronized state of identical c ... [Chaos 20, 013103 (2010)] published Thu Jan 14, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3175407 Fri, 15 Jan 2010 16:12:20 +0100 3175407 http://www.medworm.com/index.php?rid=3145531&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F013101%2F1%26agg%3Drss Stephen M. Rodrigue and Elia V. Eschenazi Mixing and transport in the driven KelvinStuart cat's eyes dynamical system is studied using lobe transport theory and the topological approximation method (TAM). The application of the TAM also provides a global bifurcation analysis. Lobe areas are calculated using the Melnikov amplitude function, ... [Chaos 20, 013101 (2010)] published Tue Jan 5, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3145531 Wed, 06 Jan 2010 16:10:47 +0100 3145531 http://www.medworm.com/index.php?rid=3145530&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F017515%2F1%26agg%3Drss Themistoklis Sapsis and George Haller We derive an analytic condition that predicts the exact location of inertial particle clustering in three-dimensional steady or two-dimensional time-periodic flows. The particles turn out to cluster on attracting inertial Lagrangian coherent structures that are smooth deformations of invariant tori. ... [Chaos 20, 017515 (2010)] published Tue Jan 5, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3145530 Wed, 06 Jan 2010 16:10:47 +0100 3145530 http://www.medworm.com/index.php?rid=3145529&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F017506%2F1%26agg%3Drss Ali B. Olcay, Tait S. Pottebaum, and Paul S. Krueger The effect of spatial and temporal resolutions and random errors on identification of Lagrangian coherent structures (LCSs) from Eulerian velocity fields is evaluated using two canonical flows: a two-dimensional vortex pair and a vortex ring formed by transient ejection of a jet from a tube. The flo ... [Chaos 20, 017506 (2010)] published Tue Jan 5, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3145529 Wed, 06 Jan 2010 16:10:47 +0100 3145529 http://www.medworm.com/index.php?rid=3145528&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F017508%2F1%26agg%3Drss Wenbo Tang and Thomas Peacock For a nonuniformly stratified layer of fluid, internal gravity waves propagate at varying angles depending on the local buoyancy and Coriolis (in geophysical applications) frequencies. Relatively confined geometries, such as multiple submarine ridges, can support internal wave attractors, which can ... [Chaos 20, 017508 (2010)] published Tue Jan 5, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3145528 Wed, 06 Jan 2010 16:10:47 +0100 3145528 http://www.medworm.com/index.php?rid=3145527&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F017514%2F1%26agg%3Drss Francisco J. Beron-Vera, Maria J. Olascoaga, Michael G. Brown, Huseyin Kocak, and Irina I. Rypina The term Lagrangian coherent structure (LCS) is normally used to describe numerically detected structures whose properties are similar to those of stable and unstable manifolds of hyperbolic trajectories. The latter structures are invariant curves, i.e., material curves of fluid that serve as transp ... [Chaos 20, 017514 (2010)] published Tue Jan 5, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3145527 Wed, 06 Jan 2010 16:10:47 +0100 3145527 http://www.medworm.com/index.php?rid=3145526&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F017509%2F1%26agg%3Drss Jeff D. Eldredge and Kwitae Chong The Lagrangian coherent structures (LCSs) of simple wing cross sections in various low Reynolds number motions are extracted from high-fidelity numerical simulation data and examined in detail. The entrainment process in the wake of a translating ellipse is revealed by studying the relationship betw ... [Chaos 20, 017509 (2010)] published Tue Jan 5, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3145526 Wed, 06 Jan 2010 16:10:47 +0100 3145526 http://www.medworm.com/index.php?rid=3145525&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F017502%2F1%26agg%3Drss Wenbo Tang, Pak Wai Chan, and George Haller Locating Lagrangian coherent structures (LCS) for dynamical systems defined on a spatially limited domain present a challenge because trajectory integration must be stopped at the boundary for lack of further velocity data. This effectively turns the domain boundary into an attractor, introduces edg ... [Chaos 20, 017502 (2010)] published Tue Jan 5, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3145525 Wed, 06 Jan 2010 16:10:47 +0100 3145525 http://www.medworm.com/index.php?rid=3145524&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F017512%2F1%26agg%3Drss Shawn C. Shadden, Matteo Astorino, and Jean-Frederic Gerbeau Important progress has been achieved in recent years in simulating the fluid-structure interaction around cardiac valves. An important step in making these computational tools useful to clinical practice is the development of postprocessing techniques to extract clinically relevant information from ... [Chaos 20, 017512 (2010)] published Tue Jan 5, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3145524 Wed, 06 Jan 2010 16:10:47 +0100 3145524 http://www.medworm.com/index.php?rid=3145523&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F017513%2F1%26agg%3Drss Clara O'Farrell and John O. Dabiri A criterion for identifying vortex ring pinch-off based on the Lagrangian coherent structures (LCSs) in the flow is proposed and demonstrated for a piston-cylinder arrangement with a piston stroke to diameter (L/D) ratio of [approximate]12. It is found that the appearance of a new disconnected LCS a ... [Chaos 20, 017513 (2010)] published Tue Jan 5, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3145523 Wed, 06 Jan 2010 16:10:47 +0100 3145523 http://www.medworm.com/index.php?rid=3145522&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F017511%2F1%26agg%3Drss Sarah Lukens, Xingzhou Yang, and Lisa Fauci Motivated by the desire to understand the fluid flow within the airway surface liquid of the lung, we consider the flow generated by a computational model of a motile, internally actuated cilium. The cilium, along with a mucus layer modeled by linear elastic elements, is coupled to a viscous, incomp ... [Chaos 20, 017511 (2010)] published Tue Jan 5, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3145522 Wed, 06 Jan 2010 16:10:47 +0100 3145522 http://www.medworm.com/index.php?rid=3145521&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F017516%2F1%26agg%3Drss Jean-Luc Thiffeault In many applications, the two-dimensional trajectories of fluid particles are available, but little is known about the underlying flow. Oceanic floats are a clear example. To extract quantitative information from such data, one can measure single-particle dispersion coefficients, but this only uses ... [Chaos 20, 017516 (2010)] published Tue Jan 5, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3145521 Wed, 06 Jan 2010 16:10:47 +0100 3145521 http://www.medworm.com/index.php?rid=3145520&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F013102%2F1%26agg%3Drss R. Grimshaw, A. Slunyaev, and E. Pelinovsky The initial-value problem for box-like initial disturbances is studied within the framework of an extended Kortewegde Vries equation with both quadratic and cubic nonlinear terms, also known as the Gardner equation, for the case when the cubic nonlinear coefficient has the same sign as the linear di ... [Chaos 20, 013102 (2010)] published Tue Jan 5, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3145520 Wed, 06 Jan 2010 16:10:47 +0100 3145520 http://www.medworm.com/index.php?rid=3145519&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F017504%2F1%26agg%3Drss Doug Lipinski and Kamran Mohseni A ridge tracking algorithm for the computation and extraction of Lagrangian coherent structures (LCS) is developed. This algorithm takes advantage of the spatial coherence of LCS by tracking the ridges which form LCS to avoid unnecessary computations away from the ridges. We also make use of the tem ... [Chaos 20, 017504 (2010)] published Tue Jan 5, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3145519 Wed, 06 Jan 2010 16:10:47 +0100 3145519 http://www.medworm.com/index.php?rid=3145518&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F017510%2F1%26agg%3Drss Melissa A. Green, Clarence W. Rowley, and Alexander J. Smits We use direct Lyapunov exponents to identify Lagrangian coherent structures (LCSs) in a bioinspired fluid flow: the wakes of rigid pitching panels with a trapezoidal planform geometry chosen to model idealized fish caudal fins. When compared with commonly used Eulerian criteria, the Lagrangian metho ... [Chaos 20, 017510 (2010)] published Tue Jan 5, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3145518 Wed, 06 Jan 2010 16:10:47 +0100 3145518 http://www.medworm.com/index.php?rid=3145517&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F017503%2F1%26agg%3Drss Steven L. Brunton and Clarence W. Rowley This paper presents new efficient methods for computing finite-time Lyapunov exponent (FTLE) fields in unsteady flows. The methods approximate the particle flow map, eliminating redundant particle integrations in neighboring flow map calculations. Two classes of flow map approximations are investiga ... [Chaos 20, 017503 (2010)] published Tue Jan 5, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3145517 Wed, 06 Jan 2010 16:10:47 +0100 3145517 http://www.medworm.com/index.php?rid=3145516&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F017501%2F1%26agg%3Drss Thomas Peacock and John Dabiri The topic of Lagrangian coherent structures (LCS) has been a rapidly growing area of research in nonlinear dynamics for almost a decade. It provides a means to rigorously define and detect transport barriers in dynamical systems with arbitrary time dependence and has a wealth of applications, partic ... [Chaos 20, 017501 (2010)] published Tue Jan 5, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3145516 Wed, 06 Jan 2010 16:10:47 +0100 3145516 http://www.medworm.com/index.php?rid=3145515&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F017507%2F1%26agg%3Drss We describe a method for obtaining dynamical boundaries using only trajectories reconstructed from time series, expanding on the current approach which requires a vector field in the ... [Chaos 20, 017507 (2010)] published Tue Jan 5, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3145515 Wed, 06 Jan 2010 16:10:47 +0100 3145515 http://www.medworm.com/index.php?rid=3145514&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F20%2F019901%2F1%26agg%3Drss D. Swaminathan, G. Ullah, and P. Jung Abstract not available. [Chaos 20, 019901 (2010)] published Tue Jan 5, 2010. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3145514 Wed, 06 Jan 2010 16:10:47 +0100 3145514 http://www.medworm.com/index.php?rid=3128820&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043132%2F1%26agg%3Drss H. Braun, P. Ditlevsen, and J. Kurths Large-amplitude (1015 K) millennial-duration warming events, the DansgaardOeschger (DO) events, repeatedly occurred in the North Atlantic region during ice ages. So far, the trigger of these events is not known. To explain their recurrence pattern, a ghost stochastic resonance (GSR) scenario has bee ... [Chaos 19, 043132 (2009)] published Tue Dec 29, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3128820 Wed, 30 Dec 2009 15:59:30 +0100 3128820 http://www.medworm.com/index.php?rid=3114677&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043131%2F1%26agg%3Drss Stanislav M. Mintchev and Lai-Sang Young Results on the dynamics of certain predominantly feedforward networks of phase oscillators are presented. We start with a purely feedforward chain and show numerically that in certain parameter ranges, independent of the length of the chain, there is a global attractor that is effectively a two-dime ... [Chaos 19, 043131 (2009)] published Tue Dec 22, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3114677 Wed, 23 Dec 2009 16:02:22 +0100 3114677 http://www.medworm.com/index.php?rid=3104665&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043129%2F1%26agg%3Drss K. P. Harikrishnan, R. Misra, G. Ambika, and R. E. Amritkar We show that the existing methods for computing the f(alpha) spectrum from a time series can be improved by using a new algorithmic scheme. The scheme relies on the basic idea that the smooth convex profile of a typical f(alpha) spectrum can be fitted with an analytic function involving a set of fou ... [Chaos 19, 043129 (2009)] published Fri Dec 18, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3104665 Sat, 19 Dec 2009 15:59:27 +0100 3104665 http://www.medworm.com/index.php?rid=3104664&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043130%2F1%26agg%3Drss Jochen Brocker, David Engster, and Ulrich Parlitz Several methods are examined which allow to produce forecasts for time series in the form of probability assignments. The necessary concepts are presented, addressing questions such as how to assess the performance of a probabilistic forecast. A particular class of models, cluster weighted models (C ... [Chaos 19, 043130 (2009)] published Fri Dec 18, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3104664 Sat, 19 Dec 2009 15:59:27 +0100 3104664 http://www.medworm.com/index.php?rid=3078857&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F049902%2F1%26agg%3Drss Alexandre Mauroy and Rodolphe Sepulchre Abstract not available. [Chaos 19, 049902 (2009)] published Thu Dec 10, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3078857 Fri, 11 Dec 2009 15:55:20 +0100 3078857 http://www.medworm.com/index.php?rid=3075050&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043125%2F1%26agg%3Drss Tereza TravniCkova, Martin Kohout, Igor Schreiber, and Milan KubiCek We analyze dynamics of stationary nonuniform patterns, traveling waves, and spatiotemporal chaos in a simple model of a tubular cross-flow reactor. The reactant is supplied continuously via convective flow and/or by diffusion through permeable walls of the reactor. First order exothermic reaction ki ... [Chaos 19, 043125 (2009)] published Wed Dec 9, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3075050 Thu, 10 Dec 2009 15:56:16 +0100 3075050 http://www.medworm.com/index.php?rid=3075049&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043128%2F1%26agg%3Drss S. Jeyakumari, V. Chinnathambi, S. Rajasekar, and M. A. F. Sanjuan We consider a damped quintic oscillator with double-well and triple-well potentials driven by both low-frequency force f cos omegat and high-frequency force g cos Omegat with Omega>>omega and analyze the occurrence of vibrational resonance. The response consists of a slow motion with frequency omega ... [Chaos 19, 043128 (2009)] published Wed Dec 9, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3075049 Thu, 10 Dec 2009 15:56:16 +0100 3075049 http://www.medworm.com/index.php?rid=3075048&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043126%2F1%26agg%3Drss Y. N. Kyrychko, K. B. Blyuss, S. J. Hogan, and E. Scholl This paper studies the effects of a time-delayed feedback control on the appearance and development of spatiotemporal patterns in a reaction-diffusion system. Different types of control schemes are investigated, including single-species, diagonal, and mixed control. This approach helps to unveil dif ... [Chaos 19, 043126 (2009)] published Wed Dec 9, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3075048 Thu, 10 Dec 2009 15:56:16 +0100 3075048 http://www.medworm.com/index.php?rid=3075047&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F048101%2F1%26agg%3Drss Yinping Zhang (张银萍) In the referenced paper, the proof of Theorem 1 makes use of an incorrect inequality. Hence, there are concerns with conclusions drawn when the result is used to investigate anticipating synchronization for chaotic systems with time delay and parameter mismatch in the framework of the master-slave c ... [Chaos 19, 048101 (2009)] published Wed Dec 9, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3075047 Thu, 10 Dec 2009 15:56:16 +0100 3075047 http://www.medworm.com/index.php?rid=3075046&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043127%2F1%26agg%3Drss Renato Vitolo, Mark P. Holland, and Christopher A. T. Ferro This paper introduces the notion of robust extremes in deterministic chaotic systems, presents initial theoretical results, and outlines associated inferential techniques. A chaotic deterministic system is said to exhibit robust extremes under a given observable when the associated statistics of ext ... [Chaos 19, 043127 (2009)] published Wed Dec 9, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3075046 Thu, 10 Dec 2009 15:56:16 +0100 3075046 http://www.medworm.com/index.php?rid=3059325&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043122%2F1%26agg%3Drss Fengjuan Chen and Maoan Han In this paper, we study rank one chaos in a class of planar systems with heteroclinic cycle. We first find a stable limit cycle inside the heteroclinic cycle. We then add an external periodic forcing to create rank one chaos. We follow a step-by-step procedure guided by the theory of rank one chaos ... [Chaos 19, 043122 (2009)] published Fri Dec 4, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3059325 Sat, 05 Dec 2009 15:55:31 +0100 3059325 http://www.medworm.com/index.php?rid=3059324&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043123%2F1%26agg%3Drss Simone Bianco, Leah B. Shaw, and Ira B. Schwartz This paper examines the interplay of the effect of cross immunity and antibody-dependent enhancement (ADE) in multistrain diseases. Motivated by dengue fever, we study a model for the spreading of epidemics in a population with multistrain interactions mediated by both partial temporary cross immuni ... [Chaos 19, 043123 (2009)] published Fri Dec 4, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3059324 Sat, 05 Dec 2009 15:55:31 +0100 3059324 http://www.medworm.com/index.php?rid=3059323&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043124%2F1%26agg%3Drss Wei Huang and Tommy W. S. Chow This paper investigates the combined effect of local and global topological ingredients for routing packets on transport efficiency in scale-free networks with different degree exponents. Four different transport efficiency measurements, namely, the critical packet generation rate, the average numbe ... [Chaos 19, 043124 (2009)] published Fri Dec 4, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3059323 Sat, 05 Dec 2009 15:55:31 +0100 3059323 http://www.medworm.com/index.php?rid=3056162&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043118%2F1%26agg%3Drss Ph. Marie, G. Turchetti, S. Vaienti, and F. Zanlungo Given an observable f defined on the phase space of some dynamical system generated by the map T, we consider the error between the value of the function f(Tx) computed at time n along the orbit with initial condition x, and the value f(Tx) of the same observable computed by replacing the map T with ... [Chaos 19, 043118 (2009)] published Thu Dec 3, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3056162 Fri, 04 Dec 2009 15:55:33 +0100 3056162 http://www.medworm.com/index.php?rid=3056161&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043121%2F1%26agg%3Drss Masataka Kuwamura and Hayato Chiba It is shown that the dormancy of predators induces mixed-mode oscillations and chaos in the population dynamics of a prey-predator system under certain conditions. The mixed-mode oscillations and chaos are shown to bifurcate from a coexisting equilibrium by means of the theory of fast-slow systems. ... [Chaos 19, 043121 (2009)] published Thu Dec 3, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3056161 Fri, 04 Dec 2009 15:55:33 +0100 3056161 http://www.medworm.com/index.php?rid=3056160&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043119%2F1%26agg%3Drss Juan Chen, Jun-an Lu, Xiaoqun Wu, and Wei Xing Zheng This paper investigates the generalized synchronization (GS) of two typical complex dynamical networks, small-world networks and scale-free networks, in terms of impulsive control strategy. By applying the auxiliary-system approach to networks, we demonstrate theoretically that for any given couplin ... [Chaos 19, 043119 (2009)] published Thu Dec 3, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3056160 Fri, 04 Dec 2009 15:55:33 +0100 3056160 http://www.medworm.com/index.php?rid=3056159&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043120%2F1%26agg%3Drss Henning Ulrichs, Andreas Mann, and Ulrich Parlitz Synchronization scenarios of coupled mechanical metronomes are studied by means of numerical simulations showing the onset of synchronization for two, three, and 100 globally coupled metronomes in terms of Arnol'd tongues in parameter space and a Kuramoto transition as a function of coupling strengt ... [Chaos 19, 043120 (2009)] published Thu Dec 3, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3056159 Fri, 04 Dec 2009 15:55:33 +0100 3056159 http://www.medworm.com/index.php?rid=3029423&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043117%2F1%26agg%3Drss Jonathan N. Blakely, Mark T. Stahl, and Ned J. Corron We examine chains of unidirectionally coupled oscillators in which time-shifted synchronization occurs without explicit delays in the coupling. In numerical simulations and in an experimental system of electronic oscillators, we examine the time shift and the degree of distortion (primarily in the f ... [Chaos 19, 043117 (2009)] published Wed Nov 25, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3029423 Thu, 26 Nov 2009 16:18:28 +0100 3029423 http://www.medworm.com/index.php?rid=3026306&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043116%2F1%26agg%3Drss We present computational solutions to the LengyelRabaiEpstein model in three space dimensions. The results show that three-dimensional patterns exist and that they differ significantly from the two-dimensional patterns. Patterns occur at three locations in the reactor corresponding to peaks in the o ... [Chaos 19, 043116 (2009)] published Tue Nov 24, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3026306 Wed, 25 Nov 2009 16:47:55 +0100 3026306 http://www.medworm.com/index.php?rid=3015097&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043115%2F1%26agg%3Drss M. S. Baptista, Dariel M. Maranhao, and J. C. Sartorelli We show a function that fits well the probability density of return times between two consecutive visits of a chaotic trajectory to finite size regions in phase space. It deviates from the exponential statistics by a small power-law term, a term that represents the deterministic manifestation of the ... [Chaos 19, 043115 (2009)] published Fri Nov 20, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3015097 Sat, 21 Nov 2009 15:54:50 +0100 3015097 http://www.medworm.com/index.php?rid=3011936&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043114%2F1%26agg%3Drss Masanobu Tanaka, Akihiro Isomura, Marcel Horning, Hiroyuki Kitahata, Konstantin Agladze et al. It is well known that spiral waves are often stabilized by anchoring to a local heterogeneity (pinning) and that such pinned waves are rather difficult to eliminate. In the present report, we show that pinned spiral waves can be eliminated through collision with a wave train arriving from the outer ... [Chaos 19, 043114 (2009)] published Thu Nov 19, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=3011936 Fri, 20 Nov 2009 16:11:28 +0100 3011936 http://www.medworm.com/index.php?rid=2984483&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043113%2F1%26agg%3Drss Yongzheng Sun and Jiong Ruan In this paper, a design of coupling and effective sufficient condition for stable complete synchronization and antisynchronization of a class of coupled time-delayed systems with parameter mismatch and noise perturbation are established. Based on the LaSalle-type invariance principle for stochastic ... [Chaos 19, 043113 (2009)] published Wed Nov 11, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2984483 Thu, 12 Nov 2009 16:16:28 +0100 2984483 http://www.medworm.com/index.php?rid=2970032&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043112%2F1%26agg%3Drss We present a structured model of stem cells given by a partial differential equation. This equation generates a semiflow acting on the set of densities. We show that this semiflow possesses an invariant exact measure positive on open sets. From this it follows that the system is chaotic, i.e., it ha ... [Chaos 19, 043112 (2009)] published Fri Nov 6, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2970032 Sat, 07 Nov 2009 15:51:26 +0100 2970032 http://www.medworm.com/index.php?rid=2958505&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043111%2F1%26agg%3Drss S. Murugesh and M. Lakshmanan We study the bifurcation and chaos scenario of the macromagnetization vector in a homogeneous nanoscale-ferromagnetic thin film of the type used in spin-valve pillars. The underlying dynamics is described by a generalized LandauLifshitzGilbert (LLG) equation. The LLG equation has an especially appea ... [Chaos 19, 043111 (2009)] published Tue Nov 3, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2958505 Wed, 04 Nov 2009 16:35:52 +0100 2958505 http://www.medworm.com/index.php?rid=2958504&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F049901%2F1%26agg%3Drss Alexander Yu. Pogromsky This erratum corrects a mistake previously published by the author [A. Y. Pogromsky, Chaos 18, 037107 (2008)]. ... [Chaos 19, 049901 (2009)] published Tue Nov 3, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2958504 Wed, 04 Nov 2009 16:35:52 +0100 2958504 http://www.medworm.com/index.php?rid=2943240&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043110%2F1%26agg%3Drss Eric Forgoston, Lora Billings, and Ira B. Schwartz We consider a stochastic susceptible-exposed-infected-recovered (SEIR) epidemiological model. Through the use of a normal form coordinate transform, we are able to analytically derive the stochastic center manifold along with the associated, reduced set of stochastic evolution equations. The transfo ... [Chaos 19, 043110 (2009)] published Thu Oct 29, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2943240 Fri, 30 Oct 2009 16:03:21 +0100 2943240 http://www.medworm.com/index.php?rid=2934374&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F041101%2F1%26agg%3Drss Predrag Cvitanovic, Karen E. Daniels, Arshad Kudrolli, Wolfgang Losert, and Sidney Redner Abstract not available. [Chaos 19, 041101 (2009)] published Tue Oct 27, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2934374 Wed, 28 Oct 2009 16:13:13 +0100 2934374 http://www.medworm.com/index.php?rid=2934373&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F041107%2F1%26agg%3Drss Brian P. Tighe, Adrianne R. T. van Eerd, and Thijs J. H. Vlugt Abstract not available. [Chaos 19, 041107 (2009)] published Tue Oct 27, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2934373 Wed, 28 Oct 2009 16:13:13 +0100 2934373 http://www.medworm.com/index.php?rid=2934372&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F041109%2F1%26agg%3Drss Anne Dominique Cambou and Narayanan Menon Abstract not available. [Chaos 19, 041109 (2009)] published Tue Oct 27, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2934372 Wed, 28 Oct 2009 16:13:13 +0100 2934372 http://www.medworm.com/index.php?rid=2934371&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F041110%2F1%26agg%3Drss Meghan Driscoll, Rael Kopace, Linjie Li, Colin McCann, John Watts et al. Abstract not available. [Chaos 19, 041110 (2009)] published Tue Oct 27, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2934371 Wed, 28 Oct 2009 16:13:13 +0100 2934371 http://www.medworm.com/index.php?rid=2934370&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F041104%2F1%26agg%3Drss Amanda L. Traud, Christina Frost, Peter J. Mucha, and Mason A. Porter Abstract not available. [Chaos 19, 041104 (2009)] published Tue Oct 27, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2934370 Wed, 28 Oct 2009 16:13:13 +0100 2934370 http://www.medworm.com/index.php?rid=2934369&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043109%2F1%26agg%3Drss Bruno Deremble, Fabio D'Andrea, and Michael Ghil In a simple, one-layer atmospheric model, we study the links between low-frequency variability and the model's fixed points in phase space. The model dynamics is characterized by the coexistence of multiple weather regimes. To investigate the transitions from one regime to another, we focus on the i ... [Chaos 19, 043109 (2009)] published Tue Oct 27, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2934369 Wed, 28 Oct 2009 16:13:13 +0100 2934369 http://www.medworm.com/index.php?rid=2934368&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F041112%2F1%26agg%3Drss Asad Hasan and Craig E. Maloney Abstract not available. [Chaos 19, 041112 (2009)] published Tue Oct 27, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2934368 Wed, 28 Oct 2009 16:13:13 +0100 2934368 http://www.medworm.com/index.php?rid=2934367&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F041102%2F1%26agg%3Drss G. Seiden, S. Weiss, and E. Bodenschatz Abstract not available. [Chaos 19, 041102 (2009)] published Tue Oct 27, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2934367 Wed, 28 Oct 2009 16:13:13 +0100 2934367 http://www.medworm.com/index.php?rid=2934366&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F041106%2F1%26agg%3Drss Klaus Roeller, Jurgen Vollmer, and Stephan Herminghaus Abstract not available. [Chaos 19, 041106 (2009)] published Tue Oct 27, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2934366 Wed, 28 Oct 2009 16:13:13 +0100 2934366 http://www.medworm.com/index.php?rid=2934365&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F041111%2F1%26agg%3Drss Chris H. Rycroft Abstract not available. [Chaos 19, 041111 (2009)] published Tue Oct 27, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2934365 Wed, 28 Oct 2009 16:13:13 +0100 2934365 http://www.medworm.com/index.php?rid=2934364&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F041105%2F1%26agg%3Drss D. Terwagne, N. Mack, S. Dorbolo, T. Gilet, J.-Y. Raty et al. Abstract not available. [Chaos 19, 041105 (2009)] published Tue Oct 27, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2934364 Wed, 28 Oct 2009 16:13:13 +0100 2934364 http://www.medworm.com/index.php?rid=2934363&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F041103%2F1%26agg%3Drss John R. Royer, Loreto Oyarte, Matthias E. Mobius, and Heinrich M. Jaeger Abstract not available. [Chaos 19, 041103 (2009)] published Tue Oct 27, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2934363 Wed, 28 Oct 2009 16:13:13 +0100 2934363 http://www.medworm.com/index.php?rid=2934362&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F041108%2F1%26agg%3Drss James G. Puckett, Frederic Lechenault, and Karen E. Daniels Abstract not available. [Chaos 19, 041108 (2009)] published Tue Oct 27, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2934362 Wed, 28 Oct 2009 16:13:13 +0100 2934362 http://www.medworm.com/index.php?rid=2923095&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043108%2F1%26agg%3Drss J. D. Szezech, Jr., I. L. Caldas, S. R. Lopes, R. L. Viana, and P. J. Morrison Nontwist systems, common in the dynamical descriptions of fluids and plasmas, possess a shearless curve with a concomitant transport barrier that eliminates or reduces chaotic transport, even after its breakdown. In order to investigate the transport properties of nontwist systems, we analyze the ba ... [Chaos 19, 043108 (2009)] published Fri Oct 23, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2923095 Sat, 24 Oct 2009 14:44:30 +0100 2923095 http://www.medworm.com/index.php?rid=2911940&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043107%2F1%26agg%3Drss B. A. Carreras, D. E. Newman, Ian Dobson, and Matthew Zeidenberg A simple dynamic model of agent operation of an infrastructure system is presented. This system evolves over a long time scale by a daily increase in consumer demand that raises the overall load on the system and an engineering response to failures that involves upgrading of the components. The syst ... [Chaos 19, 043107 (2009)] published Tue Oct 20, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2911940 Wed, 21 Oct 2009 15:19:17 +0100 2911940 http://www.medworm.com/index.php?rid=2901488&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043106%2F1%26agg%3Drss Jonathan A. Batten and Mahmoud Hamada The compass rose pattern is known to appear in the phase portraits, or scatter diagrams, of the high-frequency returns of financial series. We first show that this pattern is also present in the returns of spot electricity prices. Early researchers investigating these phenomena hoped that these patt ... [Chaos 19, 043106 (2009)] published Fri Oct 16, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2901488 Sat, 17 Oct 2009 14:38:54 +0100 2901488 http://www.medworm.com/index.php?rid=2898352&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043104%2F1%26agg%3Drss Seth A. Marvel, Renato E. Mirollo, and Steven H. Strogatz Systems of N identical phase oscillators with global sinusoidal coupling are known to display low-dimensional dynamics. Although this phenomenon was first observed about 20 years ago, its underlying cause has remained a puzzle. Here we expose the structure working behind the scenes of these systems ... [Chaos 19, 043104 (2009)] published Thu Oct 15, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2898352 Fri, 16 Oct 2009 14:56:15 +0100 2898352 http://www.medworm.com/index.php?rid=2898351&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043105%2F1%26agg%3Drss G. Gligoric, A. Maluckov, L. Salasnich, B. A. Malomed, and Lj. Hadzievski The BoseEinstein condensate (BEC), confined in a combination of the cigar-shaped trap and axial optical lattice, is studied in the framework of two models described by two versions of the one-dimensional (1D) discrete nonpolynomial Schrodinger equation (NPSE). Both models are derived from the three- ... [Chaos 19, 043105 (2009)] published Thu Oct 15, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2898351 Fri, 16 Oct 2009 14:56:15 +0100 2898351 http://www.medworm.com/index.php?rid=2890084&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043103%2F1%26agg%3Drss Jose S. Canovas and Antonio Guillamon The main aim of this paper is to show how the use of permutations can be useful in the study of time series analysis. In particular, we introduce a test for checking the independence of a time series which is based on the number of admissible permutations on it. The main improvement in our tests is ... [Chaos 19, 043103 (2009)] published Tue Oct 13, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2890084 Wed, 14 Oct 2009 15:02:23 +0100 2890084 http://www.medworm.com/index.php?rid=2886115&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043102%2F1%26agg%3Drss Jorge Duarte, Cristina Januario, Nuno Martins, and Josep Sardanyes In this work we investigate the population dynamics of cooperative hunting extending the McCann and Yodzis model for a three-species food chain system with a predator, a prey, and a resource species. The new model considers that a given fraction sigma of predators cooperates in prey's hunting, while ... [Chaos 19, 043102 (2009)] published Mon Oct 12, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2886115 Tue, 13 Oct 2009 15:10:36 +0100 2886115 http://www.medworm.com/index.php?rid=2865299&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F043101%2F1%26agg%3Drss Conrad Bertrand Tabi, Alidou Mohamadou, and Timoleon Crepin Kofane Modulational instability (MI) is explored in the framework of the base-rotor model of DNA dynamics. We show, in fact, that the helicoidal coupling introduced in the spin model of DNA reduces the system to a modified discrete sine-Gordon (sG) equation. The MI criterion is thus modified and displays i ... [Chaos 19, 043101 (2009)] published Mon Oct 5, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2865299 Tue, 06 Oct 2009 18:34:46 +0100 2865299 http://www.medworm.com/index.php?rid=2851131&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033146%2F1%26agg%3Drss D. J. W. Simpson and J. D. Meiss We unfold the codimension-two simultaneous occurrence of a border-collision bifurcation and a period-doubling bifurcation for a general piecewise-smooth, continuous map. We find that with sufficient nondegeneracy conditions, a locus of period-doubling bifurcations emanates nontangentially from a loc ... [Chaos 19, 033146 (2009)] published Wed Sep 30, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2851131 Thu, 01 Oct 2009 18:31:09 +0100 2851131 http://www.medworm.com/index.php?rid=2842198&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033144%2F1%26agg%3Drss Wenjie Si, Jiang Wang, K. M. Tsang, and W. L. Chan Intermodulation and harmonics are important in frequency analysis of nonlinear systems. In neuron research, most investigations are taken in studying synchronization between the external stimuli and the output of neuron, but harmonics and intermodulation are often ignored. In this paper, harmonics a ... [Chaos 19, 033144 (2009)] published Mon Sep 28, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2842198 Tue, 29 Sep 2009 18:26:59 +0100 2842198 http://www.medworm.com/index.php?rid=2842197&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033145%2F1%26agg%3Drss Hilla Yanay, Lev Khaykovich, and Boris A. Malomed We consider splitting and stabilization of second-order solitons (2-soliton breathers) in a model based on the nonlinear Schrodinger equation, which includes a small quintic term, and weak resonant nonlinearity management (NLM), i.e., time-periodic modulation of the cubic coefficient, at the frequen ... [Chaos 19, 033145 (2009)] published Mon Sep 28, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2842197 Tue, 29 Sep 2009 18:26:59 +0100 2842197 http://www.medworm.com/index.php?rid=2831719&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033143%2F1%26agg%3Drss Rajat Karnatak, Ram Ramaswamy, and Awadhesh Prasad Nonlinear oscillators that are mutually coupled via dissimilar (or conjugate) variables display distinct regimes of synchronous behavior. In identical chaotic oscillators diffusively coupled in this manner, complete synchronization occurs only by chaos suppression when the coupled subsystems drive e ... [Chaos 19, 033143 (2009)] published Thu Sep 24, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2831719 Fri, 25 Sep 2009 17:58:52 +0100 2831719 http://www.medworm.com/index.php?rid=2827856&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033142%2F1%26agg%3Drss Edson D. Leonel, Diego F. M. Oliveira, and Alexander Loskutov We consider the phenomenon of Fermi acceleration for a classical particle inside an area with a closed boundary of oval shape. The boundary is considered to be periodically time varying and collisions of the particle with the boundary are assumed to be elastic. It is shown that the breathing geometr ... [Chaos 19, 033142 (2009)] published Wed Sep 23, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2827856 Thu, 24 Sep 2009 17:59:34 +0100 2827856 http://www.medworm.com/index.php?rid=2809502&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F037101%2F1%26agg%3Drss Martin Falcke Intracellular Ca concentration dynamics have been perceived as a prototypical deterministic intracellular reaction-diffusion system in biophysics for many years. Recent experimental findings challenge that view and suggest them to be fluctuation driven. That renders this system interesting for nonli ... [Chaos 19, 037101 (2009)] published Fri Sep 18, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2809502 Sat, 19 Sep 2009 17:49:23 +0100 2809502 http://www.medworm.com/index.php?rid=2809501&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F037116%2F1%26agg%3Drss Minchul Kang and Hans G. Othmer Although Ca waves in networks of astrocytes in vivo are well documented, propagation in vivo is much more complex than in culture, and there is no consensus concerning the dominant roles of intercellular and extracellular messengers [inositol 1,4,5trisphosphate (IP) and adenosine-5-triphosphate (ATP ... [Chaos 19, 037116 (2009)] published Fri Sep 18, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2809501 Sat, 19 Sep 2009 17:49:23 +0100 2809501 http://www.medworm.com/index.php?rid=2809500&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F037107%2F1%26agg%3Drss Yan Hao, Peter Kemper, and Gregory D. Smith Mathematical models of calcium release sites derived from Markov chain models of intracellular calcium channels exhibit collective gating reminiscent of the experimentally observed phenomenon of calcium puffs and sparks. Such models often take the form of stochastic automata networks in which the tr ... [Chaos 19, 037107 (2009)] published Fri Sep 18, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2809500 Sat, 19 Sep 2009 17:49:23 +0100 2809500 http://www.medworm.com/index.php?rid=2809499&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F037109%2F1%26agg%3Drss D. Swaminathan, G. Ullah, and P. Jung Calcium puffs describe the transient release of Ca ions into the cytosol, through small clusters of 1,4,5-inositol triphosphate (IP) receptors, present on internal stores such as the endoplasmic reticulum. Statistical properties of puffs, such as puff amplitudes and durations, have been well charact ... [Chaos 19, 037109 (2009)] published Fri Sep 18, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2809499 Sat, 19 Sep 2009 17:49:23 +0100 2809499 http://www.medworm.com/index.php?rid=2809498&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F037115%2F1%26agg%3Drss Juan G. Restrepo and Alain Karma Cellular calcium transient alternans are beat-to-beat alternations in the peak cytosolic calcium concentration exhibited by cardiac cells during rapid electrical stimulation or under pathological conditions. Calcium transient alternans promote action potential duration alternans, which have been lin ... [Chaos 19, 037115 (2009)] published Fri Sep 18, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2809498 Sat, 19 Sep 2009 17:49:23 +0100 2809498 http://www.medworm.com/index.php?rid=2809497&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F037110%2F1%26agg%3Drss Ronny Straube and Douglas Ridgway Calcium ions (Ca) are an important second messenger in eucaryotic cells. They are involved in numerous physiological processes which are triggered by calcium signals in the form of local release events, temporal oscillations, or reaction-diffusion waves. The diffusive spread of calcium signals in th ... [Chaos 19, 037110 (2009)] published Fri Sep 18, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2809497 Sat, 19 Sep 2009 17:49:23 +0100 2809497 http://www.medworm.com/index.php?rid=2809496&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F037104%2F1%26agg%3Drss Elan Gin, Larry E. Wagner, David I. Yule, and James Sneyd The inositol trisphosphate receptor (IPR) plays an important role in controlling the dynamics of intracellular Ca. Single-channel patch-clamp recordings are a typical way to study these receptors as well as other ion channels. Methods for analyzing and using this type of data have been developed to ... [Chaos 19, 037104 (2009)] published Fri Sep 18, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2809496 Sat, 19 Sep 2009 17:49:23 +0100 2809496 http://www.medworm.com/index.php?rid=2809495&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F037113%2F1%26agg%3Drss Matjaz Perc, Marjan Rupnik, Marko Gosak, and Marko Marhl Calcium ions play an important role in both intra- and intercellular signaling. In pancreatic acinar cells intracellular Ca regulates exocytotic secretion and fluid secretion. In this paper we study the typical experimental traces of Ca responses in pancreatic acinar cells obtained in response to th ... [Chaos 19, 037113 (2009)] published Fri Sep 18, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2809495 Sat, 19 Sep 2009 17:49:23 +0100 2809495 http://www.medworm.com/index.php?rid=2809494&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F037114%2F1%26agg%3Drss Ai-Hui Tang (唐爱辉) and Shi-Qiang Wang (王世强) Spiral patterns have been found in various nonequilibrium systems. The Ca-induced Ca release system in single cardiac cells is unique for highly discrete reaction elements, each giving rise to a Ca spark upon excitation. We imaged the spiral Ca waves in isolated cardiac cells and numerically studied ... [Chaos 19, 037114 (2009)] published Fri Sep 18, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2809494 Sat, 19 Sep 2009 17:49:23 +0100 2809494 http://www.medworm.com/index.php?rid=2809493&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F037112%2F1%26agg%3Drss Genevieve Dupont and Laurent Combettes In most cells, Ca increases in response to external stimulation are organized in the form of oscillations and waves that sometimes propagate from one cell to another. Numerous experimental and theoretical studies reveal that this spatiotemporal organization contains a non-negligible level of stochas ... [Chaos 19, 037112 (2009)] published Fri Sep 18, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2809493 Sat, 19 Sep 2009 17:49:23 +0100 2809493 http://www.medworm.com/index.php?rid=2809492&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F037102%2F1%26agg%3Drss Colin W. Taylor, Taufiq-Ur-Rahman, and Evangelia Pantazaka Inositol 1,4,5-trisphosphate receptors (IPR) are intracellular Ca channels that are almost ubiquitously expressed in animal cells. The spatiotemporal complexity of the Ca signals evoked by IPR underlies their versatility in cellular signaling. Here we review the mechanisms that contribute to the sub ... [Chaos 19, 037102 (2009)] published Fri Sep 18, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2809492 Sat, 19 Sep 2009 17:49:23 +0100 2809492 http://www.medworm.com/index.php?rid=2809491&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F037106%2F1%26agg%3Drss Irina Baran and Anca Popescu We propose a model-based method of interpreting linescan images observed in Xenopus oocytes with the use of Oregon Green-1 as a fluorescent dye. We use a detailed modeling formalism based on numerical simulations that incorporate physical barriers for local diffusion, and, by assuming a Gaussian dis ... [Chaos 19, 037106 (2009)] published Fri Sep 18, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2809491 Sat, 19 Sep 2009 17:49:23 +0100 2809491 http://www.medworm.com/index.php?rid=2809490&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F037111%2F1%26agg%3Drss Alexander Skupin and Martin Falcke The universality of Ca as second messenger in living cells is achieved by a rich spectrum of spatiotemporal cellular concentration dynamics. Ca release from internal storage compartments plays a key role in shaping cytosolic Ca signals. Deciphering this signaling mechanism is essential for a deeper ... [Chaos 19, 037111 (2009)] published Fri Sep 18, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2809490 Sat, 19 Sep 2009 17:49:23 +0100 2809490 http://www.medworm.com/index.php?rid=2809489&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F037105%2F1%26agg%3Drss J. W. Shuai, D. P. Yang, J. E. Pearson, and S. Rudiger We consider different models of inositol 1,4,5-trisphosphate (IP) receptor (IPR) channels in order to fit nuclear membrane patch clamp data of the stationary open probability, mean open time, and mean close time of channels in the Xenopus oocyte. Our results indicate that rather than to treat the te ... [Chaos 19, 037105 (2009)] published Fri Sep 18, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2809489 Sat, 19 Sep 2009 17:49:23 +0100 2809489 http://www.medworm.com/index.php?rid=2809488&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F037103%2F1%26agg%3Drss Luis Diambra and Jonathan S. Marchant Inositol 1,4,5-trisphosphate (IP)-evoked Ca signals display great spatiotemporal malleability. This malleability depends on diversity in both the cellular organization and in situ functionality of IP receptors (IPRs) that regulate Ca release from the endoplasmic reticulum (ER). Recent experimental d ... [Chaos 19, 037103 (2009)] published Fri Sep 18, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2809488 Sat, 19 Sep 2009 17:49:23 +0100 2809488 http://www.medworm.com/index.php?rid=2809487&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F037108%2F1%26agg%3Drss R. Thul, K. Thurley, and M. Falcke We investigate the key characteristics of Ca puffs in deterministic and stochastic frameworks that all incorporate the cellular morphology of IP receptor channel clusters. In the first step, we numerically study the Ca liberation in a three-dimensional representation of a cluster environment with re ... [Chaos 19, 037108 (2009)] published Fri Sep 18, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2809487 Sat, 19 Sep 2009 17:49:23 +0100 2809487 http://www.medworm.com/index.php?rid=2807238&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033137%2F1%26agg%3Drss Zhongke Gao and Ningde Jin We propose in this paper a reliable method for constructing complex networks from a time series with each vector point of the reconstructed phase space represented by a single node and edge determined by the phase space distance. Through investigating an extensive range of network topology statistic ... [Chaos 19, 033137 (2009)] published Thu Sep 17, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2807238 Fri, 18 Sep 2009 17:51:22 +0100 2807238 http://www.medworm.com/index.php?rid=2807237&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033140%2F1%26agg%3Drss M. Gorman, M. el-Hamdi, and B. Pearson A premixed flat flame on a circular porous plug burner can form patterns of one or two concentric rings of cells in which brighter, hotter regions are separated by darker, cooler cusps and folds. Dynamic states are found at parameter values that are interleaved between those of the ordered states. R ... [Chaos 19, 033140 (2009)] published Thu Sep 17, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2807237 Fri, 18 Sep 2009 17:51:22 +0100 2807237 http://www.medworm.com/index.php?rid=2807236&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033138%2F1%26agg%3Drss Jonathan J. Crofts and Ruslan L. Davidchack We explore the possibility of extending the stabilizing transformations approach [J. J. Crofts and R. L. Davidchack, SIAM J. Sci. Comput. (USA) 28, 1275 (2006)]. to the problem of locating large numbers of unstable periodic orbits in high-dimensional flows, in particular those that result from spati ... [Chaos 19, 033138 (2009)] published Thu Sep 17, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2807236 Fri, 18 Sep 2009 17:51:22 +0100 2807236 http://www.medworm.com/index.php?rid=2807235&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033141%2F1%26agg%3Drss Feng Shi, Pradeep Sharma, and Gemunu H. Gunaratne Several applications involving quantum dots require perfect long-range ordered arrays. Unfortunately, self-assembly (the choice method to fabricate quantum dots) leads to patterns that, although short range ordered, exhibit defects equivalent to grain boundaries and dislocations on a large scale. We ... [Chaos 19, 033141 (2009)] published Thu Sep 17, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2807235 Fri, 18 Sep 2009 17:51:22 +0100 2807235 http://www.medworm.com/index.php?rid=2807234&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033139%2F1%26agg%3Drss We present a model where the repressilator dynamics is affected by periodic changes in temperature. We introduce an addit ... [Chaos 19, 033139 (2009)] published Thu Sep 17, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2807234 Fri, 18 Sep 2009 17:51:22 +0100 2807234 http://www.medworm.com/index.php?rid=2796099&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033135%2F1%26agg%3Drss Mingdong Xu, Fan Wu, and Henry Leung Based on the stochastic delay differential equation (SDDE) modeling of neural networks, we propose an effective signal transmission approach along the neurons in such a network. Utilizing the linear relationship between the delay time and the variance of the SDDE system output, the transmitting side ... [Chaos 19, 033135 (2009)] published Mon Sep 14, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2796099 Tue, 15 Sep 2009 18:03:27 +0100 2796099 http://www.medworm.com/index.php?rid=2796098&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033136%2F1%26agg%3Drss C. Wang and J. C. Cao We study self-sustained terahertz current oscillation and chaotic dynamics in semiconducting single-walled zigzag carbon nanotubes using the time-dependent drift diffusion equations. The current oscillation under a dc voltage bias originates from the negative differential velocity of carbon nanotube ... [Chaos 19, 033136 (2009)] published Mon Sep 14, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2796098 Tue, 15 Sep 2009 18:03:27 +0100 2796098 http://www.medworm.com/index.php?rid=2788298&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033134%2F1%26agg%3Drss Qingyu Gao, Jun Li, Kailong Zhang, and Irving R. Epstein The periodically forced Brusselator model displays temporal mixed-mode and quasiperiodic oscillations, period doubling, and chaos. We explore the behavior of such media as reaction-diffusion systems for investigating spiral instabilities. Besides near-core breakup and far-field breakup resulting fro ... [Chaos 19, 033134 (2009)] published Fri Sep 11, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2788298 Sat, 12 Sep 2009 17:46:38 +0100 2788298 http://www.medworm.com/index.php?rid=2785566&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033133%2F1%26agg%3Drss Jinming Luo, Bingsheng Zhang, and Meng Zhan It has long been observed in experiments that frozen state of spiral waves can spontaneously appear in both excitable and oscillatory media, in which several spiral waves coexist and are well separated by thin walls (shocks). In this work, we study the global structure of frozen state of spiral wave ... [Chaos 19, 033133 (2009)] published Thu Sep 10, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2785566 Fri, 11 Sep 2009 18:02:23 +0100 2785566 http://www.medworm.com/index.php?rid=2781558&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033132%2F1%26agg%3Drss Hunseok Kang and Ichiro Tsuda In this paper, we study a dynamic structure of discretized vector fields obtained from the Brusselator, which is described by two-dimensional ordinary differential equations (ODEs). We found that a bifurcation structure of the logistic map is embedded in the discretized vector field. The embedded bi ... [Chaos 19, 033132 (2009)] published Wed Sep 9, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2781558 Thu, 10 Sep 2009 17:58:19 +0100 2781558 http://www.medworm.com/index.php?rid=2778008&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033130%2F1%26agg%3Drss Haipeng Peng, Lixiang Li, Yixian Yang, and Cong Wang In this paper, a novel unknown parameter identifier of nonlinear dynamical systems is designed through the integrator theory, and the corresponding sufficient conditions for the existence of unknown parameter identifiers are presented. In order to illustrate the effectiveness of the proposed method, ... [Chaos 19, 033130 (2009)] published Tue Sep 8, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2778008 Wed, 09 Sep 2009 18:10:28 +0100 2778008 http://www.medworm.com/index.php?rid=2778007&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033131%2F1%26agg%3Drss Jonq Juang and Yu-Hao Liang Global synchronization in complex networks has attracted considerable interest in various fields. There are mainly two analytical approaches for studying such time-varying networks. The first approach is Lyapunov function-based methods. For such an approach, the connected-graph-stability (CGS) metho ... [Chaos 19, 033131 (2009)] published Tue Sep 8, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2778007 Wed, 09 Sep 2009 18:10:28 +0100 2778007 http://www.medworm.com/index.php?rid=2765524&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033126%2F1%26agg%3Drss Pilwon Kim We propose a new mathematical framework to formulate scale structures of general systems. Stack equations characterize a system in terms of accumulative scales. Their behavior at each scale level is determined independently without referring to other levels. Most standard geometries in mathematics c ... [Chaos 19, 033126 (2009)] published Thu Sep 3, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2765524 Fri, 04 Sep 2009 18:00:02 +0100 2765524 http://www.medworm.com/index.php?rid=2765523&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033129%2F1%26agg%3Drss Shiguang Rong, Wenhua Hai, Qiongtao Xie, and Qianquan Zhu We study the effects of chaotic dynamics on atomic tunneling between two weakly coupled BoseEinstein condensates driven by a double-frequency periodic field. Under the Melnikov's chaos criterion, we divide the parameter space into three parts of different types, regular region, low-chaoticity region ... [Chaos 19, 033129 (2009)] published Thu Sep 3, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2765523 Fri, 04 Sep 2009 18:00:02 +0100 2765523 http://www.medworm.com/index.php?rid=2765522&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033127%2F1%26agg%3Drss Hassan F. El-Nashar and Hilda A. Cerdeira We study a model of coupled oscillators with bidirectional first nearest neighbors coupling with periodic boundary conditions. We show that a stable phase-locked solution is decided by the oscillators at the borders between the major clusters, which merge to form a larger one of all oscillators at t ... [Chaos 19, 033127 (2009)] published Thu Sep 3, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2765522 Fri, 04 Sep 2009 18:00:02 +0100 2765522 http://www.medworm.com/index.php?rid=2765521&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033128%2F1%26agg%3Drss He Huang, Gang Feng, and Yonghui Sun The robust synchronization problem is studied in this paper for uncertain chaotic Lur'e systems. It is assumed that the mismatched parameter uncertainties appear in the master system and are norm bounded. An integral sliding mode control approach is developed to address this problem. First, a suitab ... [Chaos 19, 033128 (2009)] published Thu Sep 3, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2765521 Fri, 04 Sep 2009 18:00:02 +0100 2765521 http://www.medworm.com/index.php?rid=2740996&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033124%2F1%26agg%3Drss Todd Mytkowicz, Amer Diwan, and Elizabeth Bradley In this paper, we propose a nonlinear dynamics-based framework for modeling and analyzing computer systems. Working with this framework, we use a custom measurement infrastructure and delay-coordinate embedding to study the dynamics of these complex nonlinear systems. We find strong indications, fro ... [Chaos 19, 033124 (2009)] published Thu Aug 27, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2740996 Fri, 28 Aug 2009 13:26:36 +0100 2740996 http://www.medworm.com/index.php?rid=2740995&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033125%2F1%26agg%3Drss Shyan-Shiou Chen In this paper, we propose a novel model, a delayed transiently chaotic neural network (DTCNN), and numerically confirm that the model performs better in finding the global minimum for the traveling salesman problem (TSP) than the traditional transiently chaotic neural network. The asymptotic stabili ... [Chaos 19, 033125 (2009)] published Thu Aug 27, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2740995 Fri, 28 Aug 2009 13:26:36 +0100 2740995 http://www.medworm.com/index.php?rid=2733703&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033123%2F1%26agg%3Drss C. Anteneodo and D. R. Chialvo Human and animal behavior exhibits power law correlations whose origin is controversial. In this work, the spontaneous motion of laboratory rodents was recorded during several days. It is found that animal motion is scale-free and that the scaling is introduced by the inactivity pauses both by its l ... [Chaos 19, 033123 (2009)] published Tue Aug 25, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2733703 Wed, 26 Aug 2009 13:35:38 +0100 2733703 http://www.medworm.com/index.php?rid=2729769&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033122%2F1%26agg%3Drss Hanshuang Chen, Yu Shen, Zhonghuai Hou, and Houwen Xin We investigate the effect of topological disorder on a system of forced threshold elements, where each element is arranged on top of complex heterogeneous networks. Numerical results indicate that the response of the system to a weak signal can be amplified at an intermediate level of topological di ... [Chaos 19, 033122 (2009)] published Mon Aug 24, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2729769 Tue, 25 Aug 2009 13:55:09 +0100 2729769 http://www.medworm.com/index.php?rid=2719347&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033121%2F1%26agg%3Drss T. L. Carroll We seek in this paper to differentiate driven nonlinear systems using only a single output signal from the driven system. We do not have access to the driving signal. We demonstrate the phase space identification techniques with an experimental model of a radio transmitter. We restrict the driving s ... [Chaos 19, 033121 (2009)] published Thu Aug 20, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2719347 Fri, 21 Aug 2009 11:40:50 +0100 2719347 http://www.medworm.com/index.php?rid=2715597&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033119%2F1%26agg%3Drss Daniel J. Fenn, Mason A. Porter, Mark McDonald, Stacy Williams, Neil F. Johnson et al. We study the cluster dynamics of multichannel (multivariate) time series by representing their correlations as time-dependent networks and investigating the evolution of network communities. We employ a node-centric approach that allows us to track the effects of the community evolution on the funct ... [Chaos 19, 033119 (2009)] published Wed Aug 19, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2715597 Thu, 20 Aug 2009 11:42:47 +0100 2715597 http://www.medworm.com/index.php?rid=2715596&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033120%2F1%26agg%3Drss Andreas Henrici and Thomas Kappeler The periodic Toda lattice with N sites is globally symplectomorphic to a two parameter family of N1 coupled harmonic oscillators. The action variables fill out the whole positive quadrant of [openface R]. We prove that in the interior of the positive quadrant as well as in a neighborhood of the orig ... [Chaos 19, 033120 (2009)] published Wed Aug 19, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2715596 Thu, 20 Aug 2009 11:42:47 +0100 2715596 http://www.medworm.com/index.php?rid=2701950&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033118%2F1%26agg%3Drss Richard A. Gray, John P. Wikswo, and Niels F. Otani Rotating spiral waves have been observed in numerous biological and physical systems. These spiral waves can be stationary, meander, or even degenerate into multiple unstable rotating waves. The spatiotemporal behavior of spiral waves has been extensively quantified by tracking spiral wave tip traje ... [Chaos 19, 033118 (2009)] published Fri Aug 14, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2701950 Sat, 15 Aug 2009 11:35:14 +0100 2701950 http://www.medworm.com/index.php?rid=2691141&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033116%2F1%26agg%3Drss We describe a procedure for creating such attractors by using random modulation or pseudorandom binary sequenc ... [Chaos 19, 033116 (2009)] published Tue Aug 11, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2691141 Wed, 12 Aug 2009 12:11:43 +0100 2691141 http://www.medworm.com/index.php?rid=2691140&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033117%2F1%26agg%3Drss Omid Khanmohamadi and Daolin Xu A system identification methodology based on Chebyshev spectral operators and an orthogonal system reduction algorithm is proposed, leading to a new approach for data-driven modeling of nonlinear spatiotemporal systems on nonperiodic domains. A continuous model structure is devised allowing for term ... [Chaos 19, 033117 (2009)] published Tue Aug 11, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2691140 Wed, 12 Aug 2009 12:11:43 +0100 2691140 http://www.medworm.com/index.php?rid=2667057&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033115%2F1%26agg%3Drss D. Yang, Y. Li, and A. Kuznetsov Regulatory molecular networks have numerous pharmacological and medical applications. The oscillatory mechanisms and the role of oscillations in these regulatory networks are not fully understood. In this paper, we explore two oscillatory mechanisms: the hysteresis-based relaxation oscillator and th ... [Chaos 19, 033115 (2009)] published Mon Aug 3, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2667057 Tue, 04 Aug 2009 12:28:36 +0100 2667057 http://www.medworm.com/index.php?rid=2657163&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033113%2F1%26agg%3Drss G. Baris Bagci and Ugur Tirnakli We show that the transition from Gaussian to the q-Gaussian distributions occurring in atomic transport in dissipative optical lattices can be interpreted as self-organization by recourse to a modified version of Klimontovich's S-theorem. As a result, we find that self-organization is possible in th ... [Chaos 19, 033113 (2009)] published Thu Jul 30, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2657163 Fri, 31 Jul 2009 12:15:14 +0100 2657163 http://www.medworm.com/index.php?rid=2657162&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033114%2F1%26agg%3Drss Gregory S. Duane The HopfieldTank [J. J. Hopfield and D. W. Tank, Biol. Cybern. 52, 141 (1985)] recurrent neural network architecture for the traveling salesman problem is generalized to a fully interconnected cellular neural network of regular oscillators. Tours are defined by synchronization patterns, allowing the ... [Chaos 19, 033114 (2009)] published Thu Jul 30, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2657162 Fri, 31 Jul 2009 12:15:14 +0100 2657162 http://www.medworm.com/index.php?rid=2644739&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033110%2F1%26agg%3Drss Wim Michiels and Henk Nijmeijer We consider the synchronization problem of an arbitrary number of coupled nonlinear oscillators with delays in the interconnections. The network topology is described by a directed graph. Unlike the conventional approach of deriving directly sufficient synchronization conditions, the approach of the ... [Chaos 19, 033110 (2009)] published Mon Jul 27, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2644739 Tue, 28 Jul 2009 12:24:32 +0100 2644739 http://www.medworm.com/index.php?rid=2644738&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033111%2F1%26agg%3Drss Hamid-Reza Kobravi and Abbas Erfanian This paper presents a control strategy, which is based on sliding mode control, adaptive control, and fuzzy logic system for controlling the chaotic dynamics. We consider this control paradigm in chaotic systems where the equations of motion are not known. The proposed control strategy is robust aga ... [Chaos 19, 033111 (2009)] published Mon Jul 27, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2644738 Tue, 28 Jul 2009 12:24:32 +0100 2644738 http://www.medworm.com/index.php?rid=2644737&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033112%2F1%26agg%3Drss A. S. Karavaev, M. D. Prokhorov, V. I. Ponomarenko, A. R. Kiselev, V. I. Gridnev et al. We investigate synchronization between the low-frequency oscillations of heart rate and blood pressure having in humans a basic frequency close to 0.1 Hz. A method is proposed for quantitative estimation of synchronization between these oscillating processes based on calculation of relative time of ... [Chaos 19, 033112 (2009)] published Mon Jul 27, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2644737 Tue, 28 Jul 2009 12:24:32 +0100 2644737 http://www.medworm.com/index.php?rid=2637523&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033106%2F1%26agg%3Drss Wen-Xu Wang, Zhi-Xi Wu, Rui Jiang, Guanrong Chen, and Ying-Cheng Lai Previous works on traffic-flow dynamics on complex networks have mostly focused on continuous phase transition from a free-flow state to a locally congested state as a parameter, such as the packet-generating rate, is increased through a critical value. Above the transition point congestion occurs o ... [Chaos 19, 033106 (2009)] published Fri Jul 24, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2637523 Sat, 25 Jul 2009 12:07:46 +0100 2637523 http://www.medworm.com/index.php?rid=2637522&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033109%2F1%26agg%3Drss Qingdao Huang and Hong Qian We establish a mathematical model for a cellular biochemical signaling module in terms of a planar differential equation system. The signaling process is carried out by two phosphorylation-dephosphorylation reaction steps that share common kinase and phosphatase with saturated enzyme kinetics. The p ... [Chaos 19, 033109 (2009)] published Fri Jul 24, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2637522 Sat, 25 Jul 2009 12:07:46 +0100 2637522 http://www.medworm.com/index.php?rid=2637521&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033107%2F1%26agg%3Drss Vladislav Volman and Herbert Levine We study the characteristics of weak signal detection by a recurrent neuronal network with plastic synaptic coupling. It is shown that in the presence of an asynchronous component in synaptic transmission, the network acquires selectivity with respect to the frequency of weak periodic stimuli. For n ... [Chaos 19, 033107 (2009)] published Fri Jul 24, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2637521 Sat, 25 Jul 2009 12:07:46 +0100 2637521 http://www.medworm.com/index.php?rid=2637520&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033108%2F1%26agg%3Drss Francesco Sorrentino and Edward Ott We address the issue of how to identify the equations of a largely unknown chaotic system from knowledge about its state evolution. The technique can be applied to the estimation of parameters that drift slowly with time. To accomplish this, we propose an adaptive strategy that aims at synchronizing ... [Chaos 19, 033108 (2009)] published Fri Jul 24, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2637520 Sat, 25 Jul 2009 12:07:46 +0100 2637520 http://www.medworm.com/index.php?rid=2601444&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033103%2F1%26agg%3Drss Mahdi Jalili In this paper, the synchronization behavior of the HindmarshRose neuron model over NewmanWatts networks is investigated. The uniform synchronizing coupling strength is determined through both numerically solving the network's differential equations and the master-stability-function method. As the av ... [Chaos 19, 033103 (2009)] published Tue Jul 14, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2601444 Wed, 15 Jul 2009 12:09:03 +0100 2601444 http://www.medworm.com/index.php?rid=2601443&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033104%2F1%26agg%3Drss Takuya Ohzono (大園拓哉) Microwrinkles are mechanically self-organized surface undulations with an intrinsic wavelength lambda showing various stripe patterns. The average orientation of the stripes is repeatedly altered by changing, for example, the direction of uniaxial compression applied to the sample. Meanwhile, the st ... [Chaos 19, 033104 (2009)] published Tue Jul 14, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2601443 Wed, 15 Jul 2009 12:09:03 +0100 2601443 http://www.medworm.com/index.php?rid=2601442&cid=s_37772_75_f&fid=37772&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FCHA%2F19%2F033105%2F1%26agg%3Drss Manish Dev Shrimali Chaotic neuronal maps are studied with threshold activated coupling at selected pinning sites with increasing pinning density. A transition from spatiotemporal chaos to a fixed spatial profile with synchronized temporal cycles is observed. There is an optimal fraction of sites where it is necessary ... [Chaos 19, 033105 (2009)] published Tue Jul 14, 2009. (Source: Chaos) Chaos journals http://www.medworm.com/rss/comments.php?id=2601442 Wed, 15 Jul 2009 12:09:03 +0100 2601442