Periodic solutions of second order discrete Hamiltonian systems with potential indefinite in sign

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摘要

In this paper, an existence theorem is obtained for the periodic solutions of second-order discrete Hamiltonian systems with potential indefinite in sign by Linking theorem in the critical point theory.

论文关键词：Periodic solutions,Second order discrete Hamiltonian systems,Changing sign,Linking theorem,Critical points

论文评审过程：Available online 16 June 2011.

论文官网地址：https://doi.org/10.1016/j.amc.2011.05.077