{ "id": "2310.03550", "version": "v1", "published": "2023-10-05T14:00:40.000Z", "updated": "2023-10-05T14:00:40.000Z", "title": "A sharp lower bound for a class of non-local approximations of the total variation", "authors": [ "Panu Lahti" ], "categories": [ "math.FA" ], "abstract": "We study a class of non-local functionals that was introduced by Brezis et al. (2022), and can be used to characterize functions of bounded variation. We give a new lower bound for the liminf of these functionals, involving the three different parts of the total variation, with sharp coefficients.", "revisions": [ { "version": "v1", "updated": "2023-10-05T14:00:40.000Z" } ], "analyses": { "subjects": [ "26B30", "26A46" ], "keywords": [ "sharp lower bound", "total variation", "non-local approximations", "non-local functionals", "sharp coefficients" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }