http://scitation.aip.org/ Chaos: REGULAR ARTICLES http://link.aip.org/link/?CHA/22/023129/1&agg=rss Lipika Kabiraj, Aditya Saurabh, Pankaj Wahi, and R. I. Sujith<br/> Complex thermoacoustic oscillations are observed experimentally in a simple laboratory combustor that burns lean premixed fuel-air mixture, as a result of nonlinear interaction between the acoustic field and the combustion processes. The application of nonlinear time series analysis, particularly te ... [Chaos 22, 023129 (2012)] published Wed May 23, 2012. http://link.aip.org/link/?CHA/22/023128/1&agg=rss Xiaoming Liang, Liang Zhao, and Zonghua Liu<br/> It has been revealed that un-weighted scale-free (SF) networks have an effect of amplifying weak signals [Acebron et al., Phys. Rev. Lett. 99, 128701 (2007)]. Such a property has potential applications in neural networks and artificial signaling devices. However, many real and artificial networks, i ... [Chaos 22, 023128 (2012)] published Thu May 17, 2012. http://link.aip.org/link/?CHA/22/023127/1&agg=rss Zhaoyan Wu, Guanrong Chen, and Xinchu Fu<br/> In this paper, synchronization of a network coupled with complex-variable chaotic systems is investigated. Adaptive feedback control and intermittent control schemes are adopted for achieving adaptive synchronization and exponential synchronization, respectively. Several synchronization criteria are ... [Chaos 22, 023127 (2012)] published Thu May 17, 2012. http://link.aip.org/link/?CHA/22/023126/1&agg=rss Mostafa Salehi, Hamid R. Rabiee, and Arezo Rajabi<br/> In this paper, we propose a novel link-tracing sampling algorithm, based on the concepts from PageRank vectors, to sample from networks with high community structures. Our method has two phases; (1) Sampling the closest nodes to the initial nodes by approximating personalized PageRank vectors and (2 ... [Chaos 22, 023126 (2012)] published Wed May 16, 2012. http://link.aip.org/link/?CHA/22/023125/1&agg=rss Md. Nurujjaman, Sumanth Shivamurthy, Amit Apte, Tanu Singla, and P. Parmananda<br/> Data assimilation is a tool, which incorporates observations in the model to improve the forecast, and it can be thought of as a synchronization of the model with observations. This paper discusses results of numerical identical twin experiments, with observations acting as master system coupled uni ... [Chaos 22, 023125 (2012)] published Wed May 16, 2012. http://link.aip.org/link/?CHA/22/023123/1&agg=rss N. V. Sarlis and S.-R. G. Christopoulos<br/> By using the most recent version (19002007) of the Centennial Earthquake Catalog, we examine the properties of the global seismicity. Natural time analysis reveals that the fluctuations of the order parameter kappa of seismicity exhibit for at least three orders of magnitude a characteristic feature ... [Chaos 22, 023123 (2012)] published Wed May 9, 2012. http://link.aip.org/link/?CHA/22/023122/1&agg=rss Elias Nakouzi and Rabih Sultan<br/> In this second part of our study on fractal co-electrochemical deposition, we investigate the Cu-Zn system. Macroscopic and microscopic inspection shows a sensitive dependence of the morphology of the final pattern on initial concentrations. The pattern is seen to undergo a transition from classical ... [Chaos 22, 023122 (2012)] published Mon May 7, 2012. http://link.aip.org/link/?CHA/22/023121/1&agg=rss Longkun Tang, Jun-an Lu, and Guanrong Chen<br/> This paper investigates the impact of edge-adding number m and edge-adding distance d on both synchronizability and average path length of NW small-world networks generated from ring networks via random edge-adding. It is found that the synchronizability of the network as a function of the distance ... [Chaos 22, 023121 (2012)] published Thu May 3, 2012. http://link.aip.org/link/?CHA/22/023120/1&agg=rss Jean-Marc Ginoux and Christophe Letellier<br/> Relaxation oscillations are commonly associated with the name of Balthazar van der Pol via his paper (Philosophical Magazine, 1926) in which he apparently introduced this terminology to describe the nonlinear oscillations produced by self-sustained oscillating systems such as a triode circuit. Our a ... [Chaos 22, 023120 (2012)] published Mon Apr 30, 2012. http://link.aip.org/link/?CHA/22/023119/1&agg=rss Cecile Penland and Prashant D. Sardeshmukh<br/> We investigate two inherently different classes of probability density functions (pdfs) that share the common property of power law tails: the alpha-stable Levy process and the linear Markov diffusion process with additive and multiplicative Gaussian noise. Dynamical processes described by these dis ... [Chaos 22, 023119 (2012)] published Fri Apr 27, 2012. http://link.aip.org/link/?CHA/22/023118/1&agg=rss B. Godo and A. Nagy<br/> The logistic and Tinkerbell maps are studied with the recently introduced generalized complexity measure. The generalized complexity detects periodic windows. Moreover, it recognizes the intersection of periodic branches of the bifurcation diagram. It also reflects the fractal character of the chaot ... [Chaos 22, 023118 (2012)] published Tue Apr 24, 2012. http://link.aip.org/link/?CHA/22/023117/1&agg=rss I. Potapov, B. Zhurov, and E. Volkov<br/> We model the dynamics of the synthetic genetic oscillator Repressilator equipped with quorum sensing. In addition to a circuit of 3 genes repressing each other in a unidirectional manner, the model includes a phase-repulsive type of the coupling module implemented as the production of a small diffus ... [Chaos 22, 023117 (2012)] published Mon Apr 23, 2012. http://link.aip.org/link/?CHA/22/023116/1&agg=rss O. A. Druzhinin and Yu. I. Troitskaya<br/> In the present paper, we study by direct numerical simulation (DNS) and theoretical analysis, the dynamics of a fountain penetrating a pycnocline (a sharp density interface) in a density-stratified fluid. A circular, laminar jet flow of neutral buoyancy is considered, which propagates vertically upw ... [Chaos 22, 023116 (2012)] published Fri Apr 20, 2012. http://link.aip.org/link/?CHA/22/023115/1&agg=rss Lewis Mitchell and Georg A. Gottwald<br/> We study the effect of regime switches on finite size Lyapunov exponents (FSLEs) in determining the error growth rates and predictability of multiscale systems. We consider a dynamical system involving slow and fast regimes and switches between them. The surprising result is that due to the presence ... [Chaos 22, 023115 (2012)] published Fri Apr 20, 2012. http://link.aip.org/link/?CHA/22/023114/1&agg=rss M. Rack, K. H. Spatschek, and A. Wingen<br/> Test particle evaluation of the diffusion coefficient in the presence of magnetic field fluctuations and binary collisions is presented. Chaotic magnetic field lines originate from resonant magnetic perturbations (RMPs). To lowest order, charged particles follow magnetic field lines. Drifts and inte ... [Chaos 22, 023114 (2012)] published Fri Apr 20, 2012. http://link.aip.org/link/?CHA/22/023113/1&agg=rss Ned J. Corron and Jonathan N. Blakely<br/> An exactly solvable chaotic oscillator with folded-band dynamics is shown. The oscillator is a hybrid dynamical system containing a linear ordinary differential equation and a nonlinear switching condition. Bounded oscillations are provably chaotic, and successive waveform maxima yield a one-dimensi ... [Chaos 22, 023113 (2012)] published Thu Apr 19, 2012. http://link.aip.org/link/?CHA/22/023112/1&agg=rss Igal Berenstein<br/> In this paper, we show by means of numerical simulations how new patterns can emerge in a system with wave instability when a unidirectional advective flow (plug flow) is added to the system. First, we introduce a three variable model with one activator and two inhibitors with similar kinetics to th ... [Chaos 22, 023112 (2012)] published Thu Apr 19, 2012. http://link.aip.org/link/?CHA/22/023111/1&agg=rss G. Camelio, A. Carati, and L. Galgani<br/> We study a classical model of helium atom in which, in addition to the Coulomb forces, the radiation reaction forces are taken into account. This modification brings in the model a new qualitative feature of a global character. Indeed, as pointed out by Dirac, in any model of classical electrodynami ... [Chaos 22, 023111 (2012)] published Tue Apr 17, 2012. http://link.aip.org/link/?CHA/22/023110/1&agg=rss Tamas Bodai and Tamas Tel<br/> In a conceptual model of global atmospheric circulation, the effects of annually periodic driving are investigated. The driven system is represented in terms of snapshot attractors, which may remain fractal at all times. This is due to the transiently chaotic behavior in the regular parameter regime ... [Chaos 22, 023110 (2012)] published Tue Apr 17, 2012. http://link.aip.org/link/?CHA/22/023109/1&agg=rss Luo Runzi and Wang Yinglan<br/> In this paper, the finite-time stochastic combination synchronization of three different chaotic systems is investigated. Based on the adaptive technique and the properties of Weiner process, a novel sufficient condition is obtained to ensure combination synchronization under stochastic perturbation ... [Chaos 22, 023109 (2012)] published Mon Apr 16, 2012. http://link.aip.org/link/?CHA/22/023108/1&agg=rss Chi Huang, Daniel W. C. Ho, Jianquan Lu, and Jurgen Kurths<br/> In this paper, the partial synchronization problem of stochastic dynamical networks (SDNs) is investigated. Unlike the existing models, the SDN considered in this paper suffers from a class of communication constraintonly part of nodes' states can be transmitted. Thus, less nodes' states can be used ... [Chaos 22, 023108 (2012)] published Fri Apr 13, 2012.