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Saccon, Claudio:
Autovalori di alcune disequazioni variazionali con vincoli puntati sulle derivate
Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti Lincei. Matematica e Applicazioni Serie 9 4 (1993), fasc. n.3, p. 185-195, (Italian)
pdf (1.17 MB), djvu (244 Kb). | MR1250497 | Zbl 0801.49013

Sunto

Si studiano problemi di autovalori per disequazioni variazionali semilineari ellittiche con un ostacolo puntuale sulla derivata prima della funzione incognita. Si mette in particolare in evidenza il ruolo della «ipotesi di non tangenza» tra il convesso, che viene definito dalla condizione di ostacolo, e la sfera dello spazio funzionale, su cui è naturale studiare un problema di autovalori. Tale condizione viene analizzata in alcuni casi concreti e si indicano alcune ipotesi che, garantendone la validità, danno luogo ad alcuni risultati di esistenza e molteplicità.
Referenze Bibliografiche
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