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ON AN OPEN QUESTION OF RICCERI CONCERNING A NEUMANN PROBLEM

Published online by Cambridge University Press:  09 August 2007

FRANCESCA FARACI
Affiliation:
University of Catania, Department of Mathematics, 95125 Catania, Italy email: [email protected]
ALEXANDRU KRISTÁLY
Affiliation:
University of Babeş-Bolyai, Department of Economics, 400591 Cluj-Napoca, Romania email: [email protected]
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Abstract

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In this paper we solve partially an open problem raised by B. Ricceri (Bull. London Math. Soc.33 (2001), 331–340). Infinitely many solutions for a Neumann problem are obtained through a direct variational approach where the nonlinearity has an oscillatory behaviour at infinity.

Keywords

Type
Research Article
Copyright
Copyright © Glasgow Mathematical Journal Trust 2007

References

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