Four positive periodic solutions of a discrete time delayed predator–prey system with nonmonotonic functional response and harvesting

✍ Scribed by Daowei Hu; Zhengqiu Zhang

• Publisher: Elsevier Science
• Year: 2008
• Tongue: English
• Weight: 477 KB
• Volume: 56
• Category: Article
• ISSN: 0898-1221
• DOI: 10.1016/j.camwa.2008.09.009

✦ Synopsis

a b s t r a c t

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.