Universal Bifurcation Chaos Theory and Its New Applications

Nikolai A. Magnitskii ()
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Nikolai A. Magnitskii: Federal Research Center “Computer Science and Control” of Russian Academy of Sciences, 119333 Moscow, Russia

Mathematics, 2023, vol. 11, issue 11, 1-20

Abstract: In this work, an analytical and numerical analysis of the transition to chaos in five nonlinear systems of ordinary and partial differential equations, which are models of autocatalytic chemical processes and interacting populations, is carried out. It is shown analytically and numerically that in all considered systems of equations, further complication of the dynamics of solutions and the transition to chemical and biological turbulence is carried out in full accordance with the universal Feigenbaum-Sharkovsky-Magnitskii bifurcation theory through subharmonic and homoclinic cascades of bifurcations of stable limit cycles. In this case, irregular (chaotic) attractors in all cases are exclusively singular attractors in the sense of the FShM theory. The obtained results once again indicate the wide applicability of the universal bifurcation FShM theory for describing laminar–turbulent transitions to chaotic dynamics in complex nonlinear systems of differential equations and that chaos in the system can be confirmed only by detection of some main cycles or tori in accordance with the universal bifurcation diagram presented in the article.

Keywords: autocatalytic reactions; predator–prey models; hidden attractors; bifurcation cascades; chaos; singular attractors; chemical and biological turbulence; FShM theory (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2023
References: View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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