| 一类四阶非线性微分方程的周期解 |
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| 引用本文： | 庄兴义.一类四阶非线性微分方程的周期解[J].广西师范学院学报(自然科学版),1999(3). |
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| 作者姓名： | 庄兴义 |
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| 作者单位： | 梧州师范高等专科学校!广西贺州市，542800 |
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| 摘 要： | 应用构造Ｌｉａｐｕｎｏｖ 函数的方法， 研究了一类四阶非线性微分方程周期解的存在性。
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| 关 键 词： | 非线性方程 Liapunov函数 周期解 存在性 |
ON THE EXISTENCE OF PERIODIC SOLUTIONS FOR CERTAIN FOURTH ORDER NONLINEAR DIFFERENTIAL EQUATIONS |
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| ZHUANG Xingyi.ON THE EXISTENCE OF PERIODIC SOLUTIONS FOR CERTAIN FOURTH ORDER NONLINEAR DIFFERENTIAL EQUATIONS[J].Journal of Guangxi Teachers Education University:Natural Science Edition,1999(3). |
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| Authors: | ZHUANG Xingyi |
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| Abstract: | In this paper,by using the method of Liapunov function,the existence of periodic solutions for some nonlinear fourth order differential equation is discussed.a sufficient condition is obtained. |
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| Keywords: | nonlinear equation Liapunov function periodic solution existence |
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