Acta mathematica scientia,Series A

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Positive Periodic Solutions of a Delayed Predator-Prey System with Holling Type II Functional Response

Chen Fengde;Chen Xiaoxing ;Zhang Huiying
  

  1. College of Mathematics and Computer Sciences, Fuzhou University
  • Received:2003-11-05 Revised:2004-12-10 Online:2006-02-25 Published:2006-02-25
  • Contact: Chen Fengde

Abstract: By using a continuation theorem based on Gaines and Mawhin's coincidence degree, the authors study the global exisence of positive periodic solutions of a delayed predator-prey system with Holling II type response and stage structure for predator. A set of easily verifiable sufficient conditions is obtained, which improves some known results. Also, by constructing a suitable Lyapunov function, sufficient conditions which guarantee the global attractivity of the positive periodic solution are obtained.

Key words: Periodic solution, Holling II type functional response, Stage structure, Coincidence degree, Delay

CLC Number: 

  • 34K20
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