Periodic Cluster Attractors and their Stabilities in the Turbulent Globally Coupled Map Lattice
Tokuzo Shimada, Kengo Kikuchi
Abstract
The Globally Coupled Map Lattice (GCML) is one of the basic model of the intelligence activity. We report that, in its so-called turbulent regime, periodic windows of the element maps foliate and systematically control the dynamics of the model. We have found various cluster attractors. In one type of them, the maps split into several almost equally populated clusters and the clusters mutually oscillate with a period (p) that is the same with the number of clusters (c). We name them as maximally symmetric cluster attractors (MSCA's). The most outstanding are the p3c3 MSCA and its bifurcate. The MSCA is proved to be linearly stable by Lyapunov analysis. There are also cluster attractors with p>c. They come out in sequences with increasing coupling. The formation of the clustors in the very weakly coupled chaotic system may suggest a new form of an intelligence activity.
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