Positive periodic solutions of functional differential equations with infinite delay

被引：0
|
作者：
Song, Changxiu [1 ]
机构：
[1] Guangdong Univ Technol, Sch Appl Math, Guangzhou 510006, Peoples R China
来源：
ANNALES POLONICI MATHEMATICI | 2008年 / 93卷 / 01期
关键词：
functional differential equation; positive periodic solutions; cone; fixed point theorem;
D O I：
10.4064/ap93-1-6
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
The author applies a generalized Leggett-Williams fixed point theorem to the study of the nonlinear functional differential equation x'(t) = -a(t,x(t))x(t) + f(t, x(t)). Sufficient conditions are established for the existence of multiple positive periodic solutions.
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页码：75 / 83
页数：9
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