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THREE POSITIVE SOLUTIONS FOR A CLASS OF ELLIPTIC SYSTEMS IN ANNULAR DOMAINS

Published online by Cambridge University Press:  23 May 2005

João Marcos do Ó
Affiliation:
Departamento de Matemática, Universidade Federal da Paraíba, 58059-900, João Pessoa, PB, Brazil ([email protected])
Sebastián Lorca
Affiliation:
Departamento de Matemática, Universidad de Tarapacá, Casilla 7-D, Arica, Chile ([email protected])
Pedro Ubilla
Affiliation:
Universidad de Santiago de Chile, Casilla 307, Correo 2, Santiago, Chile ([email protected])
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Abstract

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In this paper we study the existence and multiplicity of positive radial solutions for a class of semilinear elliptic systems in bounded annular domains with non-homogeneous boundary conditions by the use of a fixed-point theorem of cone expansion/compression type.

Type
Research Article
Copyright
Copyright © Edinburgh Mathematical Society 2005