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Neumann boundary value problemsacross resonance

Published online by Cambridge University Press:  20 June 2006

Ginés López
Affiliation:
Departamento de Análisis Matemático, Universidad de Granada, 18071 Granada, Spain; [email protected];[email protected]
Juan-Aurelio Montero-Sánchez
Affiliation:
Departamento de Análisis Matemático, Universidad de Granada, 18071 Granada, Spain; [email protected];[email protected]
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Abstract

We obtain an existence-uniqueness result fora second order Neumann boundary value problem including caseswhere the nonlinearity possibly crosses several points ofresonance. Optimal and Schauder fixed points methods are used toprove this kind of results.

Type
Research Article
Copyright
© EDP Sciences, SMAI, 2006

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