Persistence of lower dimensional tori of general types in Hamiltonian systems

被引:52
|
作者
Li, Y [1 ]
Yi, YF
机构
[1] Jilin Univ, Dept Math, Changchun 130012, Peoples R China
[2] Georgia Inst Technol, Sch Math, Atlanta, GA 30332 USA
关键词
Hamiltonian systems; invariant tori; KAM theory; Melnikov problem; persistence;
D O I
10.1090/S0002-9947-04-03564-0
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
This work is a generalization to a result of J. You (1999). We study the persistence of lower dimensional tori of general type in Hamiltonian systems of general normal forms. By introducing a modified linear KAM iterative scheme to deal with small divisors, we shall prove a persistence result, under a Melnikov type of non-resonance condition, which particularly allows multiple and degenerate normal frequencies of the unperturbed lower dimensional tori.
引用
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页码:1565 / 1600
页数:36
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