摘要
本文引进抽象泛函微分方程S稳定的概念,证明了一类抽象泛函微分方程周期解的存在性和唯一性,减弱了文[1]的条件。
In this paper we suggest S-stability concept for abstract functional differential equations and obtain the sufficient conditions of existence and uniqueness of the periodic solution about abstract functional differen- tial equation. Therefore the results in paper [1] are improved.
关键词
CO半群
周期解
微分方程
Co-semigroup
Abstract cauchy problem
Pericdic solution
Classical solution