Summary
A new generalized notion of ∥df(u)∥ is introduced, which allows to prove several results of critical point theory for continuous functionals. An application to variational inequalities is shown.
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Lavoro eseguito nell'ambito di un progetto nazionale di ricerca finanziato dal Ministero dell'Università e della Ricerca Scientifica e Tecnologica (40% — 1989).
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Degiovanni, M., Marzocchi, M. A critical point theory for nonsmooth functional. Annali di Matematica pura ed applicata 167, 73–100 (1994). https://doi.org/10.1007/BF01760329
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DOI: https://doi.org/10.1007/BF01760329