PERIODIC SOLUTIONS FOR GENERALIZED PREDATOR-PREY SYSTEMS WITH TIME DELAY AND DIFFUSION

被引：0

作者：

李必文

机构：

[1] Department of Mathematics

[2] Hubei Narmal University

[3] Huangshi 435002

[4] China

来源：

Acta Mathematica Scientia | 2004年 / 01期

关键词：

Positive periodic solution; continuation theorem of coincidence degree; predator-prey system; diffusion; delay;

D O I：

暂无

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

A set of easily verifiable sufficient conditions are derived for the existence of positive periodic solutions for delayed generalized predator-prey dispersion systemwhere ai（t）,bi（t） and Di（t）（i = 1, 2） axe positive continuous T-periodic functions, gi（t,xi）（i = 1,2） and h（t,y） are continuous and T-periodic with respect to t and h（t,y） > 0 for y>0,t, y∈R,pi（x）（i=1,2） are continuous and monotonously increasing functions, and Pi（xi）>0 for xi>0.

引用

页码：151 / 160

页数：10

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