Periodic solutions of logistic equations with time delay

被引：6
|
作者：
Lisena, Benedetta [1 ]
机构：
[1] Univ Bari, Dipartimento Matemat, I-70125 Bari, Italy
来源：
APPLIED MATHEMATICS LETTERS | 2007年 / 20卷 / 10期
关键词：
delay equations; logistic equation; periodic solution;
D O I：
10.1016/j.aml.2006.11.008
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
A new criterion is established for the existence of positive periodic solutions to the following delay logistic equation: u' (t) = u(t)[r(t) - a(t)u(t) + b(t)u(t - r)] where r(t), a(t), b(t) are periodic continuous functions, a(t) > 0, b(t) >= 0 and r(t) has positive average. (C) 2007 Elsevier Ltd. All rights reserved.
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页码：1070 / 1074
页数：5
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