Existence and multiplicity of periodic solution for non-autonomous second-order systems with linear nonlinearity

被引:33
|
作者
Zhao, FK [1 ]
Wu, XA [1 ]
机构
[1] Yunnan Normal Univ, Dept Math, Kunming 650092, Yunnan, Peoples R China
关键词
periodic solution; non-autonomous second-order systems; (PS) condition; Sobolev's inequality; Wirtinger's inequality;
D O I
10.1016/j.na.2004.08.031
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
The purpose of this paper is to study the existence and multiplicity of periodic solution for the following non-autonomous second-order systems: {u(0) - u(T) = <(u)over dot>(0) - <(u)over dot>(T) = 0.<(u)double over dot>(t) = delF(t, u(t)) a.e. t is an element of [0, T], Some new existence and multiplicity theorems are obtained by using the least action principle and the minimax method. (C) 2004 Elsevier Ltd. All rights reserved.
引用
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页码:325 / 335
页数:11
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