期刊
JOURNAL OF DIFFERENTIAL EQUATIONS
卷 266, 期 11, 页码 7459-7480出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jde.2018.12.001
关键词
Lower-dimensional tori; Completely degenerate Hamiltonian systems; KAM iteration
类别
资金
- NNSF of China [11831001]
We study the persistence of lower-dimensional invariant tori for a nearly integrable completely degenerate Hamiltonian system. It is shown that the majority of unperturbed invariant tori can survive from the perturbations which are only assumed the smallness and smoothness. (C) 2018 Elsevier Inc. All rights reserved.
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