Spatiotemporal chaos in mixed linear–nonlinear coupled logistic map lattice

Ying-Qian Zhang and Xing-Yuan Wang

Physica A: Statistical Mechanics and its Applications, 2014, vol. 402, issue C, 104-118

Abstract: We investigate the spatiotemporal dynamics with mixing degrees of nonlinear chaotic maps in coupling connections. Here, the coupling methods between lattices are both linear neighborhood coupling and the nonlinear chaotic map coupling of lattices. While strictly nearest neighborhood coupling is only a special case in the proposed system. We employed the criteria such as Kolmogorov–Sinai entropy density and universality, bifurcation diagrams, space–amplitude and space–time diagrams to investigate the chaotic behaviors of the proposed system in this paper. In fact, the proposed system contains new features for applications of cryptography such as the larger range of parameters for chaotic behaviors, the higher percentage of lattices in chaotic behaviors for most of parameters and less periodic windows in bifurcation diagrams. Furthermore, we also show the parameter ranges of the proposed system which hold those features in cryptography compared with those of the CML system. Finally, we design the encryption scheme based on the proposed system for an explicit illustration.

Keywords: Chaos; Spatiotemporal; Arnold cat map; Logistic map (search for similar items in EconPapers)
Date: 2014
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (8)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:402:y:2014:i:c:p:104-118

DOI: 10.1016/j.physa.2014.01.051

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