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Random global coupling induces synchronization and nontrivial collective behavior in networks of chaotic maps

Abstract:

The phenomena of synchronization and nontrivial collective behavior are studied in a model of coupled chaotic maps with random global coupling. The mean fieldof the system is coupled to a fraction of elements randomly chosen at any given time. It is shown that the reinjection of the mean field to a fraction of randomly selected elements can induce synchronization and nontrivial collective behavior in the system. The regions where these collective states emerge on the space of parameters of the system are calculated. © EDP Sciences, Springer-Verlag 2007.