ATTRACTORS FOR FITZHUGH-NAGUMO LATTICE SYSTEMS WITH ALMOST PERIODIC NONLINEAR PARTS

被引:9
|
作者
Boughoufala, Amira M. [1 ]
Abdallah, Ahmed Y. [1 ]
机构
[1] Univ Jordan, Dept Math, Amman 11942, Jordan
来源
DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS-SERIES B | 2021年 / 26卷 / 03期
关键词
Non-autonomous lattice dynamical system; FitzHugh-Nagumo system; uniform global attractor; almost periodic symbol; COMPACT UNIFORM ATTRACTORS; CELLULAR NEURAL-NETWORKS; DYNAMICAL-SYSTEMS; GLOBAL ATTRACTORS; PATTERN-FORMATION; SPATIAL CHAOS; BEHAVIOR; PROPAGATION; MODELS; EQUATIONS;
D O I
10.3934/dcdsb.2020172
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
For FitzHugh-Nagumo lattice dynamical systems (LDSs) many authors studied the existence of global attractors for deterministic systems [1, 34, 41, 43] and the existence of global random attractors for stochastic systems [23, J4, 27, 48, 49], where for non-autonomous cases, the nonlinear parts are considered of the form f (u). Here we study the existence of the uniform global attractor for a new family of non-autonomous FitzHugh-Nagumo LDSs with nonlinear parts of the form f (u, t), where we introduce a suitable Banach space of functions W and we assume that f is an element of the hull of an almost periodic function f(0) (., t) with values in W.
引用
收藏
页码:1549 / 1563
页数:15
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