| 一类二阶泛函微分方程的周期 |
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| 引用本文： | 易美香,唐美兰,刘心歌.一类二阶泛函微分方程的周期[J].宜春学院学报,2005,27(6):27-29. |
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| 作者姓名： | 易美香 唐美兰 刘心歌 |
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| 作者单位： | 1. 湖南信息职业技术学院,湖南,望城,410200
2. 中南大学数学科学与计算技术学院,湖南,长沙,410083 |
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| 摘 要： | 采用更精确的先验估计,利用重合度理论讨论了一类二阶泛函微分方程的周期解,得到了该方程存在2周期解的充分条件,改进了相关文献中的定理。
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| 关 键 词： | 泛函微分方程 周期解 重合度理论 |
| 文章编号： | 1671-380X（2005）06-13027-03 |
| 收稿时间： | 2005-10-11 |
| 修稿时间： | 2005年10月11 |
Periodic Solutions of a Second Order Fundional Differential Equations |
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| YI Mei-xiang,TANG Mei-lan,LIU Xin-ge.Periodic Solutions of a Second Order Fundional Differential Equations[J].Journal of Yichun University,2005,27(6):27-29. |
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| Authors: | YI Mei-xiang TANG Mei-lan LIU Xin-ge |
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| Institution: | 1 .Hunan Information College of Technology, Wangcheng, 410200 China ; 2. School of Mathematical Sciences and Computing Techniligy , Central South University, changsha , 410083 China |
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| Abstract: | By a-priori estimate and the coincidence detree,the existence of periodic solutions to a system of second order functional differential equations is studied,sufficient condition of the equation with periodic solutions is obtained. |
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| Keywords: | functional differential equations periodic solution coindence detree |
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