J4 ›› 2011, Vol. 24 ›› Issue (5): 42-45.

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Existence of positive periodic solutions of differential equations with parameters

 LI Qian-Qian, LIU Yan-Sheng   

  1. Department of Mathematics, Shandong Normal University, Jinan 250014, China
  • Received:2011-04-14 Published:2011-10-20 Online:2011-10-20

Abstract:

       This paper proves the existence of positive periodic solutions of differential equations with parameters by the fixed-point theorem in cone theory.

Key words: differential equations, fixed-point theorem, cone, positive periodic solutions

CLC Number: 

  • O175.7

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