Multiplicity Results for Nonlinear Neumann Problems

DOI10.4153/CJM-2006-004-6zbMath1209.35161WikidataQ112251835 ScholiaQ112251835MaRDI QIDQ5472768

Nikolaos S. Papageorgiou, Leszek Gasiński, Michael E. Filippakis

Publication date: 12 June 2006

Published in: Canadian Journal of Mathematics (Search for Journal in Brave)

zbMATH Keywords

strong resonance\(p\)-LaplacianClarke subdifferentialNeumann problemlocally Lipschitz functionsecond deformation theoremNonsmooth critical point theorynonsmooth symmetric mountain pass theorem

Mathematics Subject Classification ID

Variational methods involving nonlinear operators (47J30) PDEs with multivalued right-hand sides (35R70) Nonlinear elliptic equations (35J60) Variational methods for second-order elliptic equations (35J20) Abstract bifurcation theory involving nonlinear operators (47J15) Unilateral problems for nonlinear elliptic equations and variational inequalities with nonlinear elliptic operators (35J87)

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