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多时滞中立型种群对数模型的周期正解

Positive Periodic Solution for Neutral Population Model With Multiple Delays
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摘要 通过更精确的先验估计,利用重合度理论中的连续定理,研究了一类时滞种群模型的周期解,获得了这类模型存在正周期解的充分条件,所得结果推广了文[1]的有关结论,并使条件有所减弱. Using better prior estimate , the throry of Brouwer degree and coincidence degree, the existence of positive periodic solution of a kind of neutral population model with multiple delays is studied, some sufficient conditions are obtained , which is improvement of the theorem in the paper[1].
作者 唐美兰 刘心歌 刘心笔
机构地区 中南大学数学科学与计算技术学院 中南大学材料学院
出处 《宜春学院学报》 2005年第4期7-9,共3页 Journal of Yichun University
基金 国家科技部973项目基金资助(1999064911)
关键词 时滞种群模型 正周期解 重合度 Delays neutral population model Posivite periodic solution Toplogical degree.
分类号 O13 [理学—基础数学]
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共引文献15

宜春学院学报
2005年 第4期

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