Critical Point Theory for Nonsmooth Energy
Functionals and Applications
N. Halidias
Abstract.
In this paper we prove an abstract result about the
minimization of nonsmooth functionals. Then we obtain some
existence results for Neumann problems with
discontinuities.
AMS subject classification:
35J25, 35J60
Keywords:
Discontinuous nonlinearities, countable number of discontinuities,
critical point theory, mountain pass theorem
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