Short-time heat flow and functions of bounded variation in
Michele Miranda, Diego Pallara, Fabio Paronetto, Marc Preunkert (2007)
Annales de la faculté des sciences de Toulouse Mathématiques
Similarity:
We prove a characterisation of sets with finite perimeter and functions in terms of the short time behaviour of the heat semigroup in . For sets with smooth boundary a more precise result is shown.