| 引用本文： |
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刘佳玉,覃荣存,冯春华.一类具偏差变元的高阶Liénard型方程周期解的存在性[J].广西科学,2009,16(4):359-363. [点击复制]
- LIU Jia-yu,QIN Rong-cun,FENG Chun-hua.Existence of Periodic Solutions for a Kind of High Order Liénard Equations with Deviating Argument[J].Guangxi Sciences,2009,16(4):359-363. [点击复制]
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| 摘要: |
| 利用重合度理论,得到一类具偏差变元的高阶Liénard型方程至少存在一个周期解的充分条件. |
| 关键词: 微分方程 Liénard型方程 周期解 存在性 重合度 |
| DOI： |
| 投稿时间：2009-03-06修订日期：2009-06-12 |
| 基金项目:国家自然科学基金项目(10961005);广西研究生教育创新计划项目(2008106020701M234)资助 |
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| Existence of Periodic Solutions for a Kind of High Order Liénard Equations with Deviating Argument |
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LIU Jia-yu, QIN Rong-cun, FENG Chun-hua
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| (College of Mathematical Sciences, Guangxi Normal University, Guilin, Guangxi, 541004, China) |
| Abstract: |
| By using coincidence degree theory, the sufficient conditions are obtained for existence of at least one periodic solution for a kind of high order Lienard equations with deviating argument. |
| Key words: differential equation Liénard equations periodic solution existence coincidence degree |
