期刊
JOURNAL OF DYNAMICS AND DIFFERENTIAL EQUATIONS
卷 33, 期 3, 页码 1515-1530出版社
SPRINGER
DOI: 10.1007/s10884-021-09987-z
关键词
Nearly integrable Hamiltonian; KAM invariant torus; Resonance
资金
- NNSF of China [11790272, 11631006]
In this paper, a method is proposed to address the complete degeneracy problem in lower dimensional invariant tori surviving from destructed resonant torus. As an application, a different proof of the existence of co-dimension one invariant tori is obtained, with no additional assumptions on the perturbation other than its smallness.
In this paper, we propose a method to handle the problem of complete degeneracy in the study of lower dimensional invariant tori surviving from destructed resonant torus. As its application, we obtain a different proof of the existence of co-dimension one invariant tori. No other condition is assumed on the perturbation except for the smallness.
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