一类次线性系统正周期解的存在性The Existence of Positive Periodic Solutions for a Class of Sublinear System
秦飞
摘要(Abstract)：
利用临界点理论,证明了系统x″+v′(x)=p(t)在一定条件下正周期解的存在性.
关键词(KeyWords)： 次线性系统;正周期解;临界序列
基金项目(Foundation):
作者(Author): 秦飞
DOI: 10.16393/j.cnki.37-1436/z.2009.05.006
参考文献(References)：
- [1]Franks J.Generlizations of the Poincar′e-Birkhoff theorem[J].Annals of Math-ematics,1988,128(139):139-151.
- [2]Mawhin J,Wilem M.Critical Point Theory and Hamiltonian Systems[M].New York:Springer-Verlag,1989.
- [3]Ding Tongren,Zanolin Fabio.Subharmonic solutions of second order nonlinear equations:A time-map appproach[J].NonlinearAnalysis TMA,1993,20(5):509-532.