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Journal Articles Communications on Pure and Applied Mathematics Year : 2011

A decomposition theorem for BV functions

Abstract

The Jordan decomposition states that a function is of bounded variation if and only if it can be written as the difference of two monotone increasing functions. In this paper we generalize this property to real valued functions of many variables, extending naturally the concept of monotone function. Our result is an extension of a result obtained by Alberti, Bianchini and Crippa. A counterexample is given which prevents further extensions.
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Dates and versions

hal-00724835 , version 1 (22-08-2012)

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Stefano Bianchini, Daniela Tonon. A decomposition theorem for BV functions. Communications on Pure and Applied Mathematics, 2011, 10 (6), pp.1549 - 1566. ⟨10.3934/cpaa.2011.10.1549⟩. ⟨hal-00724835⟩
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