Abstract
The present paper deals with a new type of eigenvalue problems arising in problems involving nonconvex nonsmooth energy functions. They lead to the search of critical points (e.g. local minima) for nonconvex nonsmooth potential functions which in turn give rise to hemivariational inequalities. For this type of variational expressions the eigenvalue problem is studied here concerning the existence and multiplicity of solutions by applying a critical point theory appropriate for nonsmooth nonconvex functionals.
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Motreanu, D., Panagiotopoulos, P.D. Nonconvex energy functions, related eigenvalue hemivariational inequalities on the sphere and applications. J Glob Optim 6, 163–177 (1995). https://doi.org/10.1007/BF01096766
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DOI: https://doi.org/10.1007/BF01096766