Characterizations of sets of finite perimeter using the Ornstein-Uhlenbeck semigroup in the Gauss space
BULLETIN DES SCIENCES MATHEMATIQUES(2022)
摘要
The goal of this paper is to establish the relation between the notion of sets of finite perimeter and the theory of the Ornstein-Uhlenbeck semigroup in the setting of the Gauss space. We prove a characterization of sets of finite perimeter in terms of a short time behavior of the Ornstein-Uhlenbeck semigroup and we also give a new characterization of BV functions in terms of a near-diagonal energy in this space. (c) 2021 Elsevier Masson SAS. All rights reserved.
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关键词
Gauss space, Function of bounded variation, Melher kernel, Sets of finite Gaussian perimeter
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