Multiple solutions for nonlinear discontinuous strongly resonant elliptic problems

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概要

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• We consider quasilinear strongly resonant problems with discontinuous right hand side. To develop an existence theory we pass to a multivalued problem by, roughly speaking, filling in the gaps at the discontinuity points. We prove the existence of at least three nontrivial solutions. Our approach uses the nonsmooth critical point theory for locally Lipschitz functionals due to Chang and a generalized version of the Ekeland variational principle. At the end of the paper we also show that the non-smooth (PS)-condition implies the coercivity of the functional, extending this way a well known result of the “smooth” case.

• 社団法人 日本数学会の論文

著者

• Papageorgiou Nikolaos

  National Technical University Department Of Mathematical Sciences

• Kourogenis Nikolaos

  National Technical University Department Of Mathematics

関連論文

• Multiple solutions for nonlinear discontinuous strongly resonant elliptic problems
• On the set of solutions of a class of nonlinear evolution inclusions.

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