An existence result for anisotropic quasilinear problems |
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Institution: | 1. Center for Education Accreditation, Pusan National University, Busan 609-735, South Korea;2. Department of Mathematics, Pusan National University, Busan 609-735, South Korea;3. Department of Mathematics, Dong-A University, Busan 604-714, South Korea |
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Abstract: | We study existence of solutions for a boundary degenerate (or singular) quasilinear equation in a smooth bounded domain under Dirichlet boundary conditions. We consider a weighted -Laplacian operator with a coefficient that is locally bounded inside the domain and satisfying certain additional integrability assumptions. Our main result applies for boundary value problems involving continuous non-linearities having no growth restriction, but provided the existence of a sub and a supersolution is guaranteed. As an application, we present an existence result for a boundary value problem with a non-linearity satisfying and having -sublinear growth at infinity. |
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Keywords: | Quasilinear eigenvalue problems Subsolution and supersolution Weighted Sobolev spaces Kato estimates |
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