Topological Methods in Nonlinear Analysis
- Topol. Methods Nonlinear Anal.
- Volume 22, Number 1 (2003), 139-158.
A deformation theorem and some critical point results for non-differentiable functions
A deformation lemma for functionals which are the sum of a locally Lipschitz continuous function and of a concave, proper and upper semicontinuous function is established. Some critical point theorems are then deduced and an application to a class of elliptic variational-hemivariational inequalities is presented.
Topol. Methods Nonlinear Anal., Volume 22, Number 1 (2003), 139-158.
First available in Project Euclid: 30 September 2016
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Marano, Salvatore A.; Motreanu, Dumitru. A deformation theorem and some critical point results for non-differentiable functions. Topol. Methods Nonlinear Anal. 22 (2003), no. 1, 139--158. https://projecteuclid.org/euclid.tmna/1475266322