Periodic solutions for second-order discrete Hamiltonian system with a change of sign in potential

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摘要

Some existence results of periodic solutions are obtained for nonautonomous second-order discrete Hamiltonian system with a change of sign in potential by the minimax methods in critical point theory.

论文关键词：Periodic solutions,Discrete Hamiltonian system,(PS) condition,The Generalized Mountain Pass Theorem

论文评审过程：Available online 15 February 2013.

论文官网地址：https://doi.org/10.1016/j.amc.2013.01.019