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Abstract and Applied AnalysisVolume 2013 2013, Article ID 508247, 9 pages

Research ArticleSchool of Science, Jimei University, Xiamen 361021, China

Received 19 January 2013; Accepted 24 February 2013

Academic Editor: Zhengkun Huang

Copyright © 2013 Honghua Bin. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


We consider the subharmonics with minimal periods for convex discreteHamiltonian systems. By using variational methods and dual functional, we obtain that thesystem has a -periodic solution for each positive integer , and solution of system hasminimal period as subquadratic growth both at 0 and infinity.

Autor: Honghua Bin



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