Existence and multiplicity of solutions for a nonhomogeneous Neumann boundary problem

We consider a nonlinear Neumann elliptic equation driven by a \(p\)-Laplacian-type operator which is not homogeneous in general. For such an equation the energy functional does not need to be coercive, and we use suitable variational methods to show that the problem has at least two distinct, nontri...

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Main Author: Liliana Klimczak
Format: Article
Language:English
Published: AGH Univeristy of Science and Technology Press 2015-01-01
Series:Opuscula Mathematica
Subjects:
Online Access:http://www.opuscula.agh.edu.pl/vol35/6/art/opuscula_math_3545.pdf
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author Liliana Klimczak
author_facet Liliana Klimczak
author_sort Liliana Klimczak
collection DOAJ
description We consider a nonlinear Neumann elliptic equation driven by a \(p\)-Laplacian-type operator which is not homogeneous in general. For such an equation the energy functional does not need to be coercive, and we use suitable variational methods to show that the problem has at least two distinct, nontrivial smooth solutions. Our formulation incorporates strongly resonant equations.
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spelling doaj.art-a889dc571d484218b808ce6b9b47987b2022-12-22T02:33:20ZengAGH Univeristy of Science and Technology PressOpuscula Mathematica1232-92742015-01-01356889905http://dx.doi.org/10.7494/OpMath.2015.35.6.8893545Existence and multiplicity of solutions for a nonhomogeneous Neumann boundary problemLiliana Klimczak0Jagiellonian University, Faculty of Mathematics and Computer Science, ul. Łojasiewicza 6, 30-348 Krakow, PolandWe consider a nonlinear Neumann elliptic equation driven by a \(p\)-Laplacian-type operator which is not homogeneous in general. For such an equation the energy functional does not need to be coercive, and we use suitable variational methods to show that the problem has at least two distinct, nontrivial smooth solutions. Our formulation incorporates strongly resonant equations.http://www.opuscula.agh.edu.pl/vol35/6/art/opuscula_math_3545.pdfPalais-Smale conditionnoncoercive functionalsecond deformation theorem
spellingShingle Liliana Klimczak
Existence and multiplicity of solutions for a nonhomogeneous Neumann boundary problem
Opuscula Mathematica
Palais-Smale condition
noncoercive functional
second deformation theorem
title Existence and multiplicity of solutions for a nonhomogeneous Neumann boundary problem
title_full Existence and multiplicity of solutions for a nonhomogeneous Neumann boundary problem
title_fullStr Existence and multiplicity of solutions for a nonhomogeneous Neumann boundary problem
title_full_unstemmed Existence and multiplicity of solutions for a nonhomogeneous Neumann boundary problem
title_short Existence and multiplicity of solutions for a nonhomogeneous Neumann boundary problem
title_sort existence and multiplicity of solutions for a nonhomogeneous neumann boundary problem
topic Palais-Smale condition
noncoercive functional
second deformation theorem
url http://www.opuscula.agh.edu.pl/vol35/6/art/opuscula_math_3545.pdf
work_keys_str_mv AT lilianaklimczak existenceandmultiplicityofsolutionsforanonhomogeneousneumannboundaryproblem