We collect some known results on the subdifferentials of a class of one-homogeneous functionals, which consist in anisotropic and nonhomogeneous variants of the total variation. It is known that the subdifferential at a point is the divergence of some "calibrating field". We establish new relationships between Lebesgue points of a calibrating field and regular points of the level surfaces of the corresponding calibrated function.
Autori interni: | |
Autori: | Antonin, Chambolle; Michael, Goldman; Novaga, Matteo |
Titolo: | Fine properties of the subdifferential for a class of one-homogeneous functionals |
Anno del prodotto: | 2015 |
Digital Object Identifier (DOI): | 10.1515/acv-2012-0025 |
Appare nelle tipologie: | 1.1 Articolo in rivista |
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