Multiplicity of solutions for doubly resonant Neumann problems

zbMath1220.35058MaRDI QIDQ2430159

Nikolaos S. Papageorgiou, Michael E. Filippakis

Publication date: 6 April 2011

Published in: Bulletin of the Belgian Mathematical Society - Simon Stevin (Search for Journal in Brave)

Full work available at URL: https://projecteuclid.org/euclid.bbms/1299766494

zbMATH Keywords

critical groupsMorse theorymultiple solutionsdouble resonanceLL-condition

Mathematics Subject Classification ID

Boundary value problems for second-order elliptic equations (35J25) Abstract critical point theory (Morse theory, Lyusternik-Shnirel'man theory, etc.) in infinite-dimensional spaces (58E05) Variational methods for second-order elliptic equations (35J20) Unilateral problems for nonlinear elliptic equations and variational inequalities with nonlinear elliptic operators (35J87) Semilinear elliptic equations (35J61)

This page was built for publication: Multiplicity of solutions for doubly resonant Neumann problems