Quasi-periodic solutions of completely resonant forced wave equations

被引:30
|
作者
Berti, M
Procesi, M
机构
[1] Univ Naples Federico II, Dipartimento Matemat & Applicaz R Caccioppoli, I-80126 Naples, Italy
[2] Univ Rome, Dipartimento Matemat, Rome, Italy
关键词
infinite dimensional Hamiltonian systems; Lyapunov-Schmidt reduction; nonlinear wave equation; quasi-periodic solutions; variational methods;
D O I
10.1080/03605300500358129
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We prove existence of quasi-periodic solutions with two frequencies of completely resonant, periodically forced nonlinear wave equations with periodic spatial boundary conditions. We consider both the cases when the forcing frequency is: (Case A) a rational number and (Case B) an irrational number.
引用
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页码:959 / 985
页数:27
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