@article{Li2023, 
author = {Jia Li and Xia Li and Chunpeng Zhu},
title = {Reducibility for a class of almost periodic Hamiltonian systems which are degenerate},
year = {2023},
journal = {AIMS Mathematics},
volume = {8},
number = {1},
pages = {2296-2307},
keywords = {KAM, reducibility, Hamiltonian, almost periodic, degenerate},
url = {https://www.sciopen.com/article/10.3934/math.2023119},
doi = {10.3934/math.2023119},
abstract = {This paper studies the reducibility for a class of Hamiltonian almost periodic systems that are degenerate in a small perturbation parameter. We prove for most of the sufficiently small parameter, the Hamiltonian system is reducible by a symplectic almost periodic mapping.}
}