摘要
本文研究相关差分方程的概周期序列解,并以此为工具得出带逐段常变量的微分方程的概周期解的若干存在性定理.
In this paper, we present some existence theorems for almost periodic solutions of differential equations with piecewise constant argument by means of almostperiodic sequence solutions of relevent difference equations.
出处
《数学学报(中文版)》
SCIE
CSCD
北大核心
1999年第4期749-756,共8页
Acta Mathematica Sinica:Chinese Series
关键词
概周期序列
逐段常变量
概周期解
微分方程
Almost periodic sequence, Difference equation, Piecewise constant aargument, Periodic solution, Almost periodic solution