| 一类二阶中立型泛函微分方程周鞋解的存在性 |
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| 引用本文： | 秦发金. 一类二阶中立型泛函微分方程周鞋解的存在性[J]. 科学技术与工程, 2007, 7(11): 2467-2471 |
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| 作者姓名： | 秦发金 |
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| 作者单位： | [1]四川大学数学学院,成都610064 [2]广西柳州师范高等专科学校数学与计算机科学系,柳州545004 |
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| 摘 要： | 利用重合度理论和更精确的先验估计，讨论了一类二阶中立型泛函微分方程周期解的存在性问题；在更弱的条件下获得该方程周期解存在性的若干新结果，推广和改进了已有文献中的相关结论。
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| 关 键 词： | 二阶中立型泛函微分方程 周期解 存在性 重合度理论 |
| 文章编号： | 1671-1819(2007)11-2467-05 |
| 修稿时间： | 2006-12-13 |
On the Existence of periodic Solutions for a Kind of Second-order Neutral Functional Differential Equation |
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| Qin Fa-jin. On the Existence of periodic Solutions for a Kind of Second-order Neutral Functional Differential Equation[J]. Science Technology and Engineering, 2007, 7(11): 2467-2471 |
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| Authors: | Qin Fa-jin |
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| Affiliation: | Mathematical College, Sichuan University, Chendu 610064, P. R. Chain ; Department of Mathematics and Computer Science, Liuzhou Teachers College, Liuzhou 545004 P.R. Chain |
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| Abstract: | By means of better prior estimate and the coincidence degree theory, the existence of periodic solutions for a kind of second-order neutral functional differential equation is studied. Some new sufficient condition of periodic solutions is obtained on the even more conditions. The results have extend and improved the related reports in the literatures. |
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| Keywords: | second-order Neutral functional differential equation periodic solution existence coincidence degree theory |
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