| 一个二阶常微分方程概周期解的存在定理 |
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| 引用本文： | 李勇,周钦德.一个二阶常微分方程概周期解的存在定理[J].吉林大学学报(理学版),1990(1). |
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| 作者姓名： | 李勇 周钦德 |
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| 作者单位： | 吉林大学数学系
(李勇)，吉林大学数学系(周钦德) |
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| 摘 要： | 本文采用上下解方法,对二阶常微分方程建立了一个概周期解存在的一般性定理。
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| 关 键 词： | 上下解 二阶常微分方程 概周期解 |
An Existence Theorem of Almost PeriOdic Solutions for Second Order Ordjnary Diffcrcntial Equations |
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| Li Yong and Zhou Qinde.An Existence Theorem of Almost PeriOdic Solutions for Second Order Ordjnary Diffcrcntial Equations[J].Journal of Jilin University: Sci Ed,1990(1). |
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| Authors: | Li Yong and Zhou Qinde |
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| Abstract: | In this paper, exploying methods of upper and lower solutions, we prove an existence theorem of almost periodic solutions for second order ordinary differential equations. |
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| Keywords: | upper and lower solutions second order ordinary differential equations almost periodic solutions |
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