摘要
利用不动点定理,讨论了一类非线性系统在环域中的周期解的存在唯一性问题。
In this paper, using fixed point theorems, we discussed the existence and uniqueness of periodic solutions for a class of nonlinear systems on a ring domain and obtained criteria for the existence of exactly one periodic solutions.
出处
《纺织高校基础科学学报》
CAS
1997年第2期123-127,共5页
Basic Sciences Journal of Textile Universities
关键词
周期解
非线性系统
弱闭集合
periodic solution, nonlinear system, weakly closed set