Abstract
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.
Citation
Salvatore A. Marano. Dumitru Motreanu. "A deformation theorem and some critical point results for non-differentiable functions." Topol. Methods Nonlinear Anal. 22 (1) 139 - 158, 2003.
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