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Nonlinear Sciences > Chaotic Dynamics

arXiv:nlin/0205020 (nlin)
[Submitted on 10 May 2002]

Title:Effect of asynchronicity on the universal behaviour of coupled map lattices

Authors:Neelima Gupte (IIT Madras, India), T.M. Janaki, Sudeshna Sinha (Institute of Mathematical Sciences, India)
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Abstract: We investigate the spatiotemporal dynamics of coupled circle map lattices, evolving under synchronous (parallel) updating on one hand and asynchronous (random) updating rules on the other. Synchronous evolution of extended spatiotemporal systems, such as coupled circle map lattices, commonly yields multiple co-existing attractors, giving rise to phenomena strongly dependent on the initial lattice. By marked contrast numerical evidence here strongly indicates that asynchronous evolution eliminates most of the attractor states arising from special sets of initial conditions in synchronous systems, and tends to yield more global attractors. Thus the phenomenology arising from asynchronous evolution is more generic and robust in that it is obtained from many different classes of initial states. Further we show that in parameter regions where both asynchronous and synchronous evolution yield spatio-temporal intermittency, asynchronicity leads to better scaling behaviour.
Comments: 15 pages (including 5 figures), submitted to Phys. Rev. Letts
Subjects: Chaotic Dynamics (nlin.CD)
Cite as: arXiv:nlin/0205020 [nlin.CD]
  (or arXiv:nlin/0205020v1 [nlin.CD] for this version)
  https://doi.org/10.48550/arXiv.nlin/0205020

Submission history

From: Sudeshna Sinha [view email]
[v1] Fri, 10 May 2002 06:55:24 UTC (245 KB)
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