Invariant tori in nonlinear oscillations

被引:12
|
作者
Liu, B [1 ]
Wang, YQ [1 ]
机构
[1] Peking Univ, Sch Math Sci, Beijing 100871, Peoples R China
基金
中国国家自然科学基金;
关键词
invariant tori; semilinear Duffing equations; boundedness of solutions;
D O I
10.1007/BF02889506
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
The boundedness of all the solutions for semilinear Duffing equation x" + omega(2)x + phi(x) = p(t), omega is an element of R+ \ N is proved, where p(t) is a smooth 2 pi-periodic function and the perturbation phi(x) is bounded.
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页码:1047 / 1058
页数:12
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