| 二阶常微分方程正周期解的存在性 |
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| 引用本文： | 汪小明.二阶常微分方程正周期解的存在性[J].长春师范学院学报,2009(6). |
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| 作者姓名： | 汪小明 |
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| 作者单位： | 上饶师范学院数学与计算机系; |
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| 基金项目： | 上饶师范学院科研基金资助项目 |
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| 摘 要： | 本文借助上下解方法,得到一类二阶非线性常微分方程x″+a(t)x=g(t,x)的非线性项满足Caratheo′dory条件时正周期解的存在性结果.
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| 关 键 词： | 二阶微分方程 正周期解 上下解 |
Existence of Positive Periodic Solutions for a Class of Second Order Differential Equations |
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| WANG Xiao-ming.Existence of Positive Periodic Solutions for a Class of Second Order Differential Equations[J].Journal of Changchun Teachers College,2009(6). |
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| Authors: | WANG Xiao-ming |
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| Institution: | Department of Mathematics and Computer;Shangrao Normal University;Shangrao 334001;China |
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| Abstract: | |
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| Keywords: | second order differential equation positive periodic solution upper and lower solutions |
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