Periodic solutions to a second order nonlinear neutral functional differential equation in the critical case

被引:6
作者
Lu, SP [1 ]
Gui, ZJ
Ge, WG
机构
[1] Anhui Normal Univ, Dept Math, Wuhu 241000, Anhui, Peoples R China
[2] Hainan Normal Univ, Dept Math, Haikou 571158, Peoples R China
[3] Beijing Inst Technol, Dept Appl Math, Beijing 100081, Peoples R China
基金
中国国家自然科学基金;
关键词
periodic solution; Mawhin's continuation theorem; critical case;
D O I
10.1016/j.na.2005.06.055
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this paper, the authors study the existence of periodic solutions for a second order neutral functional differential equation (x(t) - cx(t - tau))'' = f(x(t))x'(t) + g(t, x(t - mu(t))) + e(t) in the critical case vertical bar c vertical bar = 1. By employing Mawhin's continuation theorem and some analysis techniques, sufficient conditions are given for the existence of periodic solutions. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1587 / 1607
页数:21
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