Open AccessPeriodic solutions of nonlinear wave equations for asymptotically full measure sets of frequencies
Author(s) -
Pietro Baldi,
Massimiliano Berti
Publication year - 2006
Publication title -
rendiconti lincei matematica e applicazioni
Language(s) - English
Resource type - Journals
eISSN - 1720-0768
pISSN - 1120-6330
DOI - 10.4171/rlm/468
Subject(s) - mathematics , measure (data warehouse) , nonlinear system , mathematical analysis , physics , computer science , quantum mechanics , database
We prove existence and multiplicity of small amplitude periodic solutions of completely resonant nonlinear wave equations with Dirichlet boundary conditions for asymptotically full measure sets of frequencies, extending previous results to new types of nonlinearities
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