On discrete approximations for a class of linear functional differential equations
Werner Wendt (1984)
Banach Center Publications
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Werner Wendt (1984)
Banach Center Publications
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Massimo Gobbino (1998)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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Marek Kuczma, W. Smajdor (1971)
Annales Polonici Mathematici
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Giovanni Leoni (2014)
ESAIM: Control, Optimisation and Calculus of Variations
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In this note we prove compactness for the Cahn–Hilliard functional without assuming coercivity of the multi-well potential.
Filippo Santambrogio (2010-2011)
Séminaire Équations aux dérivées partielles
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Starting from a motivation in the modeling of crowd movement, the paper presents the topics of gradient flows, first in , then in metric spaces, and finally in the space of probability measures endowed with the Wasserstein distance (induced by the quadratic transport cost). Differently from the usual theory by Jordan-Kinderlehrer-Otto and Ambrosio-Gigli-Savaré, we propose an approach where the optimality conditions for the minimizers of the optimization problems that one solves at every...
Filippo Santambrogio (2009-2010)
Séminaire Équations aux dérivées partielles
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Starting from a motivation in the modeling of crowd movement, the paper presents the topics of gradient flows, first in , then in metric spaces, and finally in the space of probability measures endowed with the Wasserstein distance (induced by the quadratic transport cost). Differently from the usual theory by Jordan-Kinderlehrer-Otto and Ambrosio-Gigli-Savaré, we propose an approach where the optimality conditions for the minimizers of the optimization problems that one solves at every...
Giovanni Bellettini, Luca Mugnai (2009)
Banach Center Publications
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We survey some recent results on the gradient flow of an anisotropic surface energy, the integrand of which is one-homogeneous in the normal vector. We discuss the reasons for assuming convexity of the anisotropy, and we review some known results in the smooth, mixed and crystalline case. In particular, we recall the notion of calibrability and the related facet-breaking phenomenon. Minimal barriers as weak solutions to the gradient flow in case of nonsmooth anisotropies are proposed....
Massimo Gobbino (2000)
Bollettino dell'Unione Matematica Italiana
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Questa nota tratta dell'approssimazione di funzionali, usati in problemi con discontinuità libere, mediante famiglie di funzionali non locali in cui il gradiente è sostituito dal rapporto incrementale. Vengono inoltre presentate alcune applicazioni di questa teoria a problemi variazionali e di evoluzione.
S. Czerwik (1971)
Annales Polonici Mathematici
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