J4 ›› 2013, Vol. 12 ›› Issue (4): 1-3.

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Periodic Solutions for a Class of Second Order Systems with the Subconvex Potential

  

  1. College of Mathematics and Computer, Dali University, Dali, Yunnan 671003, China
  • Received:2012-12-16 Revised:2013-01-14 Online:2013-04-15 Published:2013-04-15

Abstract:

The purpose of this paper is to study the existence of periodic solutions of the second order systems. One new existence theorem is obtained by the least action principle.

Key words: periodic solutions, the least action principle, second order systems

CLC Number: