| 一类差分方程的正周期解 |
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| 引用本文： | 刘宁元,;李松华.一类差分方程的正周期解[J].岳阳师范学院学报,2008(1):8-10. |
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| 作者姓名： | 刘宁元 ;李松华 |
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| 作者单位： | [1]株洲职业技术学院,湖南株洲412000; [2]湖南理工学院数学系,湖南岳阳414006 |
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| 摘 要： | 讨论了一类差分方程正周期解的存在性,并应用不动点定理,得到了方程存在一个或二个正周期的充分条件.
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| 关 键 词： | 差分方程 正周期解 不动点定理 |
Positive Periodic Solutions for a Class of Difference Equations |
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| Institution: | LIU Ning-yuan, LI Song-hua(1. Zhuzhou Vocational and Technical College, Zhuzhou, 412000 China; 2. Department of Mathematics, Hunan Instituteof Science and Technology, Yueyang 414006, China) |
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| Abstract: | In this article, existence of positive periodic solutions of a kind of difference equation is investigated. By using a fixed point theorem in a cone, existence results for single and two positive periodic solutions to the equation are obtained. |
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| Keywords: | periodic solutions difference equation fixed point theory |
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