This paper deals with a non-autonomous discrete second-order Hamiltonian system under asymptotically linear conditions. The existence of a periodic solution is obtained via the saddle point theorem.
Citation: Xiaoxing Chen, Chungen Liu, Jiabin Zuo. A discrete second-order Hamiltonian system with asymptotically linear conditions[J]. Electronic Research Archive, 2023, 31(9): 5151-5160. doi: 10.3934/era.2023263
This paper deals with a non-autonomous discrete second-order Hamiltonian system under asymptotically linear conditions. The existence of a periodic solution is obtained via the saddle point theorem.
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