GLOBAL ATTRACTIVITY AND LEVEL-CROSSINGS IN A PERIODIC LOGISTIC INTEGRODIFFERENTIAL EQUATION

被引：2
作者：
GOPALSAMY, K
HE, XZ
WEN, LZ
机构：
[1] NANGXIA UNIV,DEPT MATH,YINCHUAN,PEOPLES R CHINA
[2] S CHINA NORMAL UNIV,DEPT MATH,CANTON,PEOPLES R CHINA
来源：
MATHEMATISCHE NACHRICHTEN | 1992年 / 156卷
关键词：
D O I：
10.1002/mana.19921560103
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
Sufficient conditions are obtained for the existence of a globally attracting positive periodic solution of the logistic integrodifferential equation [GRAPHICS] where a, b are continuous positive periodic functions and K is a nonnegative integrable function defined on [0, infinity). We also derive sufficient conditions for all positive solutions to have "level crossings" about the unique positive periodic solution.
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页码：25 / 44
页数：20
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