Positive periodic solutions of infinite delay functional differential equations depending on a parameter

被引:8
|
作者
Liu, P [1 ]
Li, YK [1 ]
机构
[1] Yunnan Univ, Dept Math, Kunming 650091, Yunnan, Peoples R China
关键词
upper and lower solutions method; positive periodic solution; cone; completely continuous; infinite delay;
D O I
10.1016/S0096-3003(03)00206-6
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this paper, we employ the upper and lower solutions method to study the existence of positive periodic solutions to a system of infinite delay equations with a parameter (x) over dot (t) = A (t)x(t) + lambdaf (t,x(1)). (C) 2003 Elsevier Inc. All rights reserved.
引用
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页码:159 / 168
页数:10
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