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A wave equation with a possibly jumping nonlinearity

Author: J. R. Ward
Journal: Proc. Amer. Math. Soc. 92 (1984), 209-214
MSC: Primary 35B10; Secondary 35L70
MathSciNet review: 754705
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Abstract: Existence of a doubly periodic solution to a forced semilinear wave equation is established. The nonlinearity may "jump" across any finite number of eigenvalues of finite multiplicity.

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Keywords: Nonlinear wave equation, periodic solution
Article copyright: © Copyright 1984 American Mathematical Society