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Existence and Stability of Traveling Waves for Infinite-Dimensional Delayed Lattice Differential Equations
Journal of Dynamical and Control Systems ( IF 0.6 ) Pub Date : 2019-07-03 , DOI: 10.1007/s10883-019-09452-7
Ge Tian , Lili Liu , Zhi-Cheng Wang

In this paper, we study the existence and stability of traveling waves of infinite-dimensional lattice differential equations with time delay, where the equation may be not quasi-monotone. Firstly, by applying Schauder’s fixed point theorem, we get the existence of traveling waves with the speed c > c (here c is the minimal wave speed). Using a limiting argument, the existence of traveling waves with wave speed c = c is also established. Secondly, for sufficiently small initial perturbations, the asymptotic stability of the traveling waves \(\boldsymbol {\Phi }:=\{{\Phi }(n+ct)\}_{n\in \mathbb {Z}}\) with the wave speed c > c is proved. Here we emphasize that the traveling waves \(\boldsymbol {\Phi }:=\{{\Phi }(n+ct)\}_{n\in \mathbb {Z}}\) may be non-monotone.

中文翻译:

无限维时滞格子微分方程行波的存在性和稳定性

本文研究了具有时滞的无限维晶格微分方程行波的存在性和稳定性,其中该方程可能不是准单调的。首先,通过应用Schauder不动点定理,我们得到了速度c > c (这里c 是最小波速)的行波的存在。使用一个极限参数,还建立了波速为c = c 的行波的存在。其次,对于足够小的初始扰动,行波的渐近稳定性\(\ boldsymbol {\ Phi}:= \ {{{Phi}(n + ct)\} _ {n \ in \ mathbb {Z}} \ )与波速c> c 被证明。在这里,我们强调行波\(\ boldsymbol {\ Phi}:= \ {{\ Phi}(n + ct)\} _ {n \ in \ mathbb {Z}} \\)可能是非单调的。
更新日期:2019-07-03
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