Corporate Dynamics in Chains of Coupled Logistic Equations with Delay

被引:3
作者
Kashchenko, S. A. [1 ]
机构
[1] Demidov Yaroslavl State Univ, Yaroslavl 150003, Russia
关键词
bifurcations; stability; normal forms; singular perturbations; dynamics; PARABOLIC EQUATIONS; BIFURCATIONS; ASYMPTOTICS; CHAOS;
D O I
10.1134/S0965542521070083
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
The local dynamics of coupled chains of identical oscillators are considered. As a basic model of an oscillator, the well-known logistic equation with delay is proposed. The transition to studying a spatially distributed model is made. Two types of coupling of major interest are treated: diffusive coupling and unidirectional coupling. Critical cases are distinguished in the stability problem for the equilibrium state. It turns out that they are of infinite dimension: infinitely many roots of the characteristic equation tend to the imaginary axis as a small parameter characterizing the inverse of the number of elements in the chain tends to zero. The main result is the constructed special nonlinear boundary value problems whose nonlocal dynamics describes the behavior of all solutions for the chain in a neighborhood of the equilibrium state.
引用
收藏
页码:1063 / 1074
页数:12
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