A note on a heat potential and the parabolic variation
Miroslav Dont (1976)
Časopis pro pěstování matematiky
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Miroslav Dont (1976)
Časopis pro pěstování matematiky
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Miroslav Dont (1975)
Czechoslovak Mathematical Journal
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Jan Kyncl (1972)
Aplikace matematiky
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Michele Miranda, Diego Pallara, Fabio Paronetto, Marc Preunkert (2007)
Annales de la faculté des sciences de Toulouse Mathématiques
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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.