Existence of periodic solutions for a kind of second-order neutral functional differential equation

被引:26
作者
Lu, SP [1 ]
Ge, WG
机构
[1] Anhui Normal Univ, Dept Math, Wuhu 241000, Anhui, Peoples R China
[2] 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; continuation theorem; neutral functional differential equation;
D O I
10.1016/j.amc.2003.08.044
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
By means of the continuation theorem of coincidence degree theory, we study a kind of second-order neutral functional differential equation as follows d(2)/dt(2) (u(t) - Sigma(j=1)(n)cju(t - r(j))) = f(u(t))u(1)(t) + alpha(t)g(u(t)) +Sigma(j=1)(n)beta(j)(t)g(u(t - y(j)(t)) + p(t). Some new results on the existence of periodic solutions are obtained. (C) 2003 Elsevier Inc. All rights reserved.
引用
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页码:433 / 448
页数:16
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