The problem of identifying the sources of switching in the dynamics of nonlinear coupled systems and their mathematical prediction is considered. We study a metapopulation system formed by two oscillating subpopulations coupled by mutual migration. For this model, parametric zones of mono-, bi-, and tri-rhythmicity with the coexistence of regular and chaotic attractors are revealed. The effects of random perturbations in the migration intensity parameter are studied both by methods of statistical analysis of the results of direct numerical simulation and by using the analytical technique of stochastic sensitivity. Noise-induced transitions between anti- and in-phase synchronization modes, as well as between order and chaos, are being studied. Here, the role of transient chaotic attractors and their fractal basins is discussed.
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June 2023
Research Article|
June 21 2023
Noise-induced switching in dynamics of oscillating populations coupled by migration
Special Collection:
Regime switching in coupled nonlinear systems: sources, prediction, and control
Lev Ryashko
;
Lev Ryashko
a)
(Conceptualization, Funding acquisition, Methodology, Writing – original draft)
Institute of Natural Sciences and Mathematics, Ural Federal University
, Lenina, 51, 620000 Ekaterinburg, Russia
a)Author to whom correspondence should be addressed: lev.ryashko@urfu.ru
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Alexander Belyaev
;
Alexander Belyaev
(Investigation, Software, Visualization, Writing – original draft)
Institute of Natural Sciences and Mathematics, Ural Federal University
, Lenina, 51, 620000 Ekaterinburg, Russia
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Irina Bashkirtseva
Irina Bashkirtseva
(Funding acquisition, Investigation, Software, Validation, Writing – original draft)
Institute of Natural Sciences and Mathematics, Ural Federal University
, Lenina, 51, 620000 Ekaterinburg, Russia
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a)Author to whom correspondence should be addressed: lev.ryashko@urfu.ru
Note: This paper is part of the Focus Issue on Regime switching in coupled nonlinear systems: sources, prediction, and control.
Chaos 33, 063143 (2023)
Article history
Received:
April 11 2023
Accepted:
May 31 2023
Citation
Lev Ryashko, Alexander Belyaev, Irina Bashkirtseva; Noise-induced switching in dynamics of oscillating populations coupled by migration. Chaos 1 June 2023; 33 (6): 063143. https://doi.org/10.1063/5.0153675
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