Two periodic solutions of second-order neutral functional differential equations

被引:40
|
作者
Wu, Jun [1 ]
Wang, Zhicheng
机构
[1] Changsha Univ Sci Technol, Coll Math & Comp Sci, Changsha 410076, Peoples R China
[2] Changsha Univ Sci Technol, Coll Math & Econometr, Changsha 410082, Peoples R China
关键词
fixed point theorem; positive periodic solution; multiplicity; neutral functional differential equations;
D O I
10.1016/j.jmaa.2006.06.084
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this paper, we consider a type of second-order neutral functional differential equations. We obtain some existence results of multiplicity and nonexistence of positive periodic solutions. Our approach is based on a fixed point theorem in cones. (c) 2006 Elsevier Inc. All rights reserved.
引用
收藏
页码:677 / 689
页数:13
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