A KAM Theorem for Hamiltonian Partial Differential Equations in Higher Dimensional Spaces |
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Authors: | Jiansheng Geng Jiangong You |
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Institution: | (1) Department of Mathematics, Nanjing University, Nanjing, 210093, P.R.China |
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Abstract: | In this paper, we give a KAM theorem for a class of infinite dimensional nearly integrable Hamiltonian systems. The theorem can be applied to some Hamiltonian partial differential equations in higher dimensional spaces with periodic boundary conditions to construct linearly stable quasi–periodic solutions and its local Birkhoff normal form. The applications to the higher dimensional beam equations and the higher dimensional Schrödinger equations with nonlocal smooth nonlinearity are also given in this paper. |
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