Multilayered tori in a system of two coupled logistic maps

Zhanybai Zhusubaliyev, Erik Mosekilde

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The Letter describes different mechanisms for the formation and destruction of tori that are formed as layered structures of several sets of interlacing manifolds, each with their associated stable and unstable resonance modes. We first illustrate how a three layered torus can arise in a system of two coupled logistic maps through period-doubling or pitchfork bifurcations of the saddle cycle on an ordinary resonance torus. We hereafter present two different scenarios by which a multilayered torus can be destructed. One scenario involves a cascade of period-doubling bifurcations of both the stable and the saddle cycles, and the second scenario describes a transition in which homoclinic bifurcations destroy first the two outer layers and thereafter also the inner layer of a three-layered torus. It is suggested that the formation of multilayered tori is a generic phenomenon in non-invertible maps.
Original languageEnglish
JournalPhysics Letters A
Volume373
Issue number10
Pages (from-to)946-951
ISSN0375-9601
DOIs
Publication statusPublished - 2009

Keywords

  • Multilayered torus
  • Symmetrically coupled logistic maps
  • Homoclinic bifurcation
  • Torus destruction

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