A multiplicity result for semilinear resonant elliptic problems with nonsmooth potential

Michael Filippakis, Leszek Gasiński, Nikolaos S. Papageorgiou

Research output: Contribution to a Journal (Peer & Non Peer)Articlepeer-review

9 Citations (Scopus)

Abstract

We study a semilinear elliptic problem with a nonsmooth potential and resonance at the origin between two successive eigenvalues of (-Δ,H01(Z)). Our approach is variational and is based on the nonsmooth critical point theory for locally Lipschitz functions. We prove the existence of at least two nontrivial solutions.

Original languageEnglish
Pages (from-to)61-75
Number of pages15
JournalNonlinear Analysis, Theory, Methods and Applications
Volume61
Issue number1-2
DOIs
Publication statusPublished - 15 Apr 2005
Externally publishedYes

Keywords

  • Eigenvalues and eigenspaces of the Laplacian
  • Hemivariational inequalities
  • Local linking
  • Locally Lipschitz function
  • Multiple nontrivial critical points
  • Resonance
  • Subdifferential
  • Variational characterizations of the eigenvalues

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