Characterizations of the ranges of some nonlinear operators and applications to boundary value problems
H. Brézis, L. Nirenberg (1978)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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H. Brézis, L. Nirenberg (1978)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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Enzo Mitidieri, Mario Tosques (1986-1987)
Annales de la Faculté des sciences de Toulouse : Mathématiques
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G. Da Prato, E. Sinestrari (1987)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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Rosanna Villella Bressan (1974)
Rendiconti del Seminario Matematico della Università di Padova
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Abdelaziz Rhandi (1997)
Studia Mathematica
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Using extrapolation spaces introduced by Da Prato-Grisvard and Nagel we prove a non-autonomous perturbation theorem for Hille-Yosida operators. The abstract result is applied to non-autonomous retarded partial differential equations.
J. Kisyński (1972)
Studia Mathematica
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Gilles Francfort, François Murat, Luc Tartar (2004)
Bollettino dell'Unione Matematica Italiana
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We prove the existence of solutions to , together with appropriate boundary conditions, whenever is a maximal monotone graph in , for every fixed . We propose an adequate setting for this problem, in particular as far as measurability is concerned. It consists in looking at the graph after a rotation, for every fixed ; in other words, the graph is defined through , where is a Carathéodory contraction in . This definition is shown to be equivalent to the fact that is pointwise...