Nonexistence of spatially localized free vibrations for a class of nonlinear wave equations.
P.-A. Vuillermot (1987)
Commentarii mathematici Helvetici
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Displaying similar documents to “Quasi-periodic solutions for a nonlinear wave equation.”
Nonexistence of spatially localized free vibrations for a class of nonlinear wave equations.
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The invariance principle.
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Concavity of the Lagrangian for quasi-periodic orbits.
John N. Mather (1982)
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Hill Equations with Coexisting Periodic Solutions, II.
H. Guggenheimer (1969)
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Quasi-periodic solutions of PDEs
Massimiliano Berti (2011-2012)
Séminaire Laurent Schwartz — EDP et applications
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The aim of this talk is to present some recent existence results about quasi-periodic solutions for PDEs like nonlinear wave and Schrödinger equations in , , and the - derivative wave equation. The proofs are based on both Nash-Moser implicit function theorems and KAM theory.
Complete families of periodic solutions of differential equations.
Solomon Lefschetz (1954)
Commentarii mathematici Helvetici
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