Soluzioni periodiche di PDEs Hamiltoniane
Bollettino della Unione matematica italiana, Série 8, 7B (2004) no. 3, pp. 647-661
Cet article a éte moissonné depuis la source Biblioteca Digitale Italiana di Matematica
New existence and multiplicity results of small amplitude periodic solutions for nonlinear Hamiltonian PDEs are presented. We obtain periodic solutions of «completely resonant» equations with any general nonlinearity thanks to a Lyapunov-Schmidt reduction, variational in nature, and min-max topological arguments. For «non resonant» equations we prove existence of periodic solutions of Birkhoff-Lewis type, by means of a suitable Birkhoff normal form and implementing again a Lyapunov-Schmidt variational reduction.
@article{BUMI_2004_8_7B_3_a6,
author = {Berti, Massimiliano},
title = {Soluzioni periodiche di {PDEs} {Hamiltoniane}},
journal = {Bollettino della Unione matematica italiana},
pages = {647--661},
year = {2004},
volume = {Ser. 8, 7B},
number = {3},
zbl = {1182.35165},
mrnumber = {MR2101656},
language = {it},
url = {http://geodesic.mathdoc.fr/item/BUMI_2004_8_7B_3_a6/}
}
Berti, Massimiliano. Soluzioni periodiche di PDEs Hamiltoniane. Bollettino della Unione matematica italiana, Série 8, 7B (2004) no. 3, pp. 647-661. http://geodesic.mathdoc.fr/item/BUMI_2004_8_7B_3_a6/