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Nonresonance conditions for a nonlinear hyperbolic problem. (English) Zbl 1144.35039

Summary: We study the existence of periodic weak solutions of semilinear wave equations in the case of nonresonance.

MSC:

35L70 Second-order nonlinear hyperbolic equations
35L20 Initial-boundary value problems for second-order hyperbolic equations
35B10 Periodic solutions to PDEs
35B34 Resonance in context of PDEs
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