PERIODIC SOLUTIONS FOR A CLASS OF DELAYED NONLINEAR DIFFERENCE EQUATIONS

• 作者: Dai Binxiang Zhang Na
• 来源期刊: 微分方程年刊：英文版
• 学科: 数学
• 关键词: 非线性微分方程 时滞 周期解 充分条件
• 年，卷（期）: 2007,（2）
• 页码范围: 136-140
• 页数: 5页
• 分类号: O175.29

摘要

<正>With the help of a continuation theorem based on Gaines and Mawhin's coincidence degree,some sufficient conditions are established for the global existence of positive periodic solutions of a class of delayed nonlinear difference equations.