Spatiotemporal chaos in Arnold coupled logistic map lattice
Articles
Ying-Qian Zhang
Dalian University of Technology, China
Xing-Yuan Wang
Dalian University of Technology, China
Published 2013-10-25
https://doi.org/10.15388/NA.18.4.13977
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Keywords

chaos
spatiotemporal
Arnold cat map
logistic

How to Cite

Zhang, Y.-Q. and Wang, X.-Y. (2013) “Spatiotemporal chaos in Arnold coupled logistic map lattice”, Nonlinear Analysis: Modelling and Control, 18(4), pp. 526–541. doi:10.15388/NA.18.4.13977.

Abstract

In this paper, we propose a new spatiotemporal dynamics of Arnold coupled logistic map lattice (ACLML). Here, the coupling method between lattices is not a neighborhood coupling but the non-neighborhood of Arnold cat maps. In the proposed system, the criteria such as Kolmogorov–Sinai entropy density and universality, bifurcation diagram, mutual information, space amplitude and space-time diagrams are investigated in this paper. The new features of the proposed system include the lower mutual information between lattices, larger range of parameters for chaotic behaviors, the higher percentage of lattices in chaotic behaviors for most of parameters and less periodic window in bifurcation diagram. These features are more suitable for cryptography. For numerical simulations, we have employed the coupled map lattices system (CML) for comparison. The results indicate that the proposed system has those superior features to the coupled map lattice system (CML). It should be highlighted that the proposed ACLML is a suitable chaotic system for cryptography.

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