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非自治时滞微分方程多重周期正解的存在性
引用本文:张丽莉.非自治时滞微分方程多重周期正解的存在性[J].河北师范大学学报(自然科学版),2009,33(5).
作者姓名:张丽莉
作者单位:中国青年政治学院,数学中心,北京,100089
摘    要:通过使用Krasnoselskii锥不动点定理,研究了一类非自治时滞微分方程多重周期正解的存在性,把一般结果应用于几类具时滞的生物数学模型时,得到了一些新的结果.

关 键 词:时滞微分方程  周期正解  锥不动点  存在性

The Existence of Multiple Positive Periodic Solutions for Non-autonomous Differential Equations with Delay
ZHANG Li-li.The Existence of Multiple Positive Periodic Solutions for Non-autonomous Differential Equations with Delay[J].Journal of Hebei Normal University,2009,33(5).
Authors:ZHANG Li-li
Institution:Center of Mathematics;China Youth University for Political Sciences;Beijing 100089;China
Abstract:By utilizing Krasnoselskii fixed point theorem on cone,the existence of multiple positive periodic solutions for one sort of non-autonomous differential equation with delay is studied.When applying the general result to bio-mathematics models with delay,some known results are improved,and also new results are derived.
Keywords:differential equtions with delay  positive periodic solutious  fixed point on cone  existence  
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