Diophantine approximation, Bessel functions and radially symmetric periodic solutions of semilinear wave equations in a ball

DOI10.1090/S0002-9947-01-02875-6zbMath0986.35070OpenAlexW1731011658MaRDI QIDQ2750934

Juha Berkovits, Jean Mawhin

Publication date: 21 October 2001

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

Full work available at URL: https://doi.org/10.1090/s0002-9947-01-02875-6

zbMATH Keywords

periodic-Dirichlet problemspectrum of the linear part

Mathematics Subject Classification ID

Initial-boundary value problems for second-order hyperbolic equations (35L20) Periodic solutions to PDEs (35B10) Fixed-point theorems (47H10) Second-order nonlinear hyperbolic equations (35L70) Continued fractions and generalizations (11J70)

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