摘要
研究了一类非自治泛函微分系统解的不变集与吸引集,得到了其正不变集的形式及周期吸引子的存在的充分条件,推广了有关结论.
Invariant set and attractor for a class of nonautonomous functional systems be investigated in this paper.Some sufficient criteria of the invaiant set and periodic attractor are obtained,which extended some results.
出处
《湖北民族学院学报(自然科学版)》
CAS
2005年第1期9-11,共3页
Journal of Hubei Minzu University(Natural Science Edition)
关键词
非自治
泛函数微分方程
不变集
吸引子
nonautonomous
functional differential systems
invariant set discrete-time system
attractor