Positive mountain pass solutions for a s
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G.A. Afrouzi; K.J. Brown
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Article
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2006
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Elsevier Science
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English
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We use the mountain pass theorem to study the existence and multiplicity of positive solutions of the generalisation of the well-known logistic equation -u = g(x)u(x)(1 -u(x)) with Dirichlet boundary conditions to the case where g changes sign.