Neumann problems with double resonance

zbMath1273.35145MaRDI QIDQ446220

Nikolaos S. Papageorgiou, Donal O'Regan, George Smyrlis

Publication date: 5 September 2012

Published in: Topological Methods in Nonlinear Analysis (Search for Journal in Brave)

zbMATH Keywords

critical groupsMorse theorydouble resonancehomotopy invarianceunique continuation propertyC-condition

Mathematics Subject Classification ID

Abstract critical point theory (Morse theory, Lyusternik-Shnirel'man theory, etc.) in infinite-dimensional spaces (58E05) Resonance in context of PDEs (35B34) Semilinear elliptic equations with Laplacian, bi-Laplacian or poly-Laplacian (35J91)

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Multiplicity of solutions for resonant Neumann problems with an indefinite and unbounded potential

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