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JOURNALS // Regular and Chaotic Dynamics // Archive

Regul. Chaotic Dyn., 2023 Volume 28, Issue 2, Pages 191–206 (Mi rcd1201)

Using Couplings to Suppress Chaos and Produce a Population Stabilisation Strategy

Luís M. Lopesa, Clara Gráciob, Sara Fernandesb, Danièle Fournier-Prunaretc

a Department of Mathematics, ISEL, Rua Conselheiro Emídio Navarro 1, 1959-007 Lisboa, Portugal
b Department of Mathematics, ECT-Universidade de Évora, CIMA-UE, Rua Romão Ramalho 59, 7000-585 Évora, Portugal
c INSA Toulouse, Université Fédérale de Toulouse, Avenue de Rangueil 135, 31077 Toulouse, France

Abstract: The chaotic behaviour of dynamical systems can be suppressed if we couple them in some way. In order to do that, the coupling strengths must assume particular values. We illustrate it for the situation that leads to a fixed point behaviour, using two types of couplings corresponding either to a diffusive interaction or a migrative one. For both of them, we present strategies that easily calculate coupling strengths that suppress the chaotic behaviour. We analyse the particular situation of these couplings that consists in a symmetric one and we propose a strategy that provides the suppression of the chaotic evolution of a population.

Keywords: suppression of chaos, diffusive coupling, migrative coupling, symmetric coupling, stabilisation of a population.

MSC: 37E05

Received: 03.12.2021
Accepted: 23.01.2023

Language: English

DOI: 10.1134/S1560354723020041



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© Steklov Math. Inst. of RAS, 2024