摘要
本文利用Ｍａｗｈｉｎ的重合度理论，研究了二阶泛函微分方程周期解的存在性。
In this paper,we study the existence of periodic solutions of second order functional differential equations by using the coincidence degree theory due to Mawhin.We also give some examples to illustrate our main results.
出处
《应用数学》
CSCD
1999年第3期77-80,共4页
Mathematica Applicata
基金
国家自然科学基金
关键词
重合度
泛函微分方程
周期解
存在性
Coincidence degree
Functional differenctial equation
Periodic solution AMS(1991)Subject Classification:34K15
