EXISTENCE OF POSITIVE PERIODIC SOLUTION FOR A DELAYED PERIODIC PREDATOR-PREY MODEL OF IVLEV TYPE

• 作者: Chen Jingbing
• 来源期刊: 微分方程年刊：英文版
• 学科: 数学
• 关键词: 周期解 时间延迟 周期系数 离散 连续时间
• 年，卷（期）: 2006,（2）
• 页码范围: 134-143
• 页数: 10页
• 分类号: O17

摘要

<正>A periodic coefficients predator-prey system of Ivlev type with both discrete and continuous time delay is investigated. A sufficient condition of the existence of positive periodic solution is established for the system by using the continuation theorem of coincidence degree theory.