Acta mathematica scientia,Series A

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Existence of Positive Periodic Solutions of a Prey-Predator

System with Several Delays

Xu Wenxiong; Zhang Tailei; Xu Zongben
  

  1. School of Science, Xi'an Jiaotong University, Xi'an 710049

    College of Mathematics and System Sciences, Xinjiang University, Urumqi 830046

  • Received:2006-08-04 Revised:2007-07-27 Online:2008-02-25 Published:2008-02-25

Abstract: A kind of non-autonomous prey-predator system with Holling II
response function and several delays is studied. By the coincidence degree theory, the authors construct a set ofsufficient conditions to prove the existence of global positive periodic solution. Some known results are improved.

Key words: Delay, Non-autonomous Prey-predator system, Positive periodic solution, Coincidence degree

CLC Number: 

  • 92D30
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