Multiplicity of positive solutions to semilinear elliptic boundary value problems

We study semilinear elliptic boundary value problems of one parameter dependence where the number of positive solutions is discussed. Our main purpose is to characterize the critical value given by the infimum of such parameters for which positive solutions exist. Our approach is based on super- and...

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Main Author: Kenichiro Umezu
Format: Article
Language:English
Published: Wiley 1999-01-01
Series:Abstract and Applied Analysis
Online Access:http://dx.doi.org/10.1155/S1085337599000147
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author Kenichiro Umezu
author_facet Kenichiro Umezu
author_sort Kenichiro Umezu
collection DOAJ
description We study semilinear elliptic boundary value problems of one parameter dependence where the number of positive solutions is discussed. Our main purpose is to characterize the critical value given by the infimum of such parameters for which positive solutions exist. Our approach is based on super- and sub-solutions, and relies on the topological degree theory on the positive cones of ordered Banach spaces. A concrete example is also presented.
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institution Kabale University
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publishDate 1999-01-01
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series Abstract and Applied Analysis
spelling doaj-art-2ff8a596f7134c68acfdef2cbbe412f72025-02-03T05:57:42ZengWileyAbstract and Applied Analysis1085-33751687-04091999-01-014319520810.1155/S1085337599000147Multiplicity of positive solutions to semilinear elliptic boundary value problemsKenichiro Umezu0Faculty of Liberal Arts and Sciences, Maebashi Institute of Technology, Maebashi 371-0816, JapanWe study semilinear elliptic boundary value problems of one parameter dependence where the number of positive solutions is discussed. Our main purpose is to characterize the critical value given by the infimum of such parameters for which positive solutions exist. Our approach is based on super- and sub-solutions, and relies on the topological degree theory on the positive cones of ordered Banach spaces. A concrete example is also presented.http://dx.doi.org/10.1155/S1085337599000147
spellingShingle Kenichiro Umezu
Multiplicity of positive solutions to semilinear elliptic boundary value problems
Abstract and Applied Analysis
title Multiplicity of positive solutions to semilinear elliptic boundary value problems
title_full Multiplicity of positive solutions to semilinear elliptic boundary value problems
title_fullStr Multiplicity of positive solutions to semilinear elliptic boundary value problems
title_full_unstemmed Multiplicity of positive solutions to semilinear elliptic boundary value problems
title_short Multiplicity of positive solutions to semilinear elliptic boundary value problems
title_sort multiplicity of positive solutions to semilinear elliptic boundary value problems
url http://dx.doi.org/10.1155/S1085337599000147
work_keys_str_mv AT kenichiroumezu multiplicityofpositivesolutionstosemilinearellipticboundaryvalueproblems