Invariant hyperbolic tori for Gevrey-smooth Hamiltonian systems under Rüssmann’s non-degeneracy condition

被引:0
|
作者
Dong Feng Zhang
Jun Xiang Xu
机构
[1] Southeast University,Department of Mathematics
来源
Acta Mathematica Sinica, English Series | 2008年 / 24卷
关键词
hyperbolic invariant tori; KAM iteration; Gevrey-smooth; non-degeneracy condition; 70H08; 37J40; 34C27;
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摘要
In this paper, we prove the persistence of hyperbolic lower dimensional invariant tori for Gevrey-smooth perturbations of partially integrable Hamiltonian systems under Rüssmann’s non-degeneracy condition by an improved KAM iteration, and the persisting invariant tori are Gevrey smooth, with the same Gevrey index as the Hamiltonian.
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