| 一类一阶中立型泛函微分方程的三个非负周期解的存在性 |
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| 引用本文： | 蒋明霞.一类一阶中立型泛函微分方程的三个非负周期解的存在性[J].经济数学,2012,29(2):21-27. |
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| 作者姓名： | 蒋明霞 |
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| 作者单位： | 湖南大学软件学院,湖南长沙410082; 湖南工业职业技术学院商贸旅游系 湖南长沙410208 |
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| 摘 要： | 本文研究了一类一阶中立型泛函微分方程周期解的存在性问题.采用合适的算子并应用Leggett-Williams不动点定理,获得了该方程具有三个非负ω-周期解的充分条件
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| 关 键 词： | 中立型泛函微分方程 周期解 Leggett-Williams不动点定理 |
Three Postive Periodic Solutions for a Class of Second-order Neutral Functional Differential Equations |
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| JIANG Ming-xia.Three Postive Periodic Solutions for a Class of Second-order Neutral Functional Differential Equations[J].Mathematics in Economics,2012,29(2):21-27. |
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| Authors: | JIANG Ming-xia |
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| Institution: | JIANG Ming-xia1,2(1.Software School of Hunan University,Changsha,Hunan 410208,China; 2.Department of Commerce and Tourism,Hunan Industraial Vocational Technology College,Changsha,Hunan 410208,China) |
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| Abstract: | We studied the existence of periodic solution of a class of first-order neutral functionaldifferential equation.By using the Leggett-Williams fixed point theorem and choosing available operator,we obtained the sufficient conditions for the existence of three positive ω-period solutions to this equation. |
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| Keywords: | neutral functional differential equation periodic solution Leggett-Williams fixed point theorem |
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