Title of article :
Four positive periodic solutions of a discrete time delayed predator–prey system with nonmonotonic functional response and harvesting
Author/Authors :
Daowei Hu، نويسنده , , Zhengqiu Zhang، نويسنده ,
Issue Information :
دوهفته نامه با شماره پیاپی سال 2008
Abstract :
In this paper, by employing the continuation theorem of coincidence degree theory, we establish an easily verifiable criteria for the existence of at least four positive periodic solutions for a discrete time delayed predator–prey system with nonmonotonic functional response and harvesting.
Keywords :
Four positive periodic solutions , predator-prey system , Continuation theorem of coincidence degree theory , Harvesting , Nonmonotonic functional response
Journal title :
Computers and Mathematics with Applications
Journal title :
Computers and Mathematics with Applications
