Article ID Journal Published Year Pages File Type
837249 Nonlinear Analysis: Real World Applications 2014 16 Pages PDF
Abstract

An investigation on topological methods proving chaotic dynamics is presented: the relationships between Kennedy, Koçak and Yorke’s “chaos lemma” and Medio, Pireddu and Zanolin’s “stretching along the paths” put in evidence a double way to prove that a discrete dynamical system is chaotic according to Block and Coppel’s definition of chaos.Particular relevance is given to non-injective discrete systems, such as Lotka–Volterra with Holling Type II, since they are strongly involved in semi-conjugacy.

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