A Birkhoff-Lewis Type Result for a Semilinear Wave Equation

DOI10.1112/JLMS/S2-42.3.517zbMath0682.35061OpenAlexW2039219377MaRDI QIDQ4731561

Alberto Capozzi

Publication date: 1990

Published in: Journal of the London Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1112/jlms/s2-42.3.517

zbMATH Keywords

subharmonics

Mathematics Subject Classification ID

Initial-boundary value problems for second-order hyperbolic equations (35L20) Periodic solutions to PDEs (35B10) Variational methods applied to PDEs (35A15) Second-order nonlinear hyperbolic equations (35L70) Wave equation (35L05)

Related Items (1)

Subharmonic solutions of nonlinear wave equations on \(S^n\)

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