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math.FA2019
Sharp stability for the Riesz potential
Nicola Fusco, Aldo Pratelli
In this paper we show the stability of the ball as maximizer of the Riesz potential among sets of given volume. The stability is proved with sharp exponent , and is valid for…
math.FA2017
A Remark on an Integral Characterization of the Dual of BV
Nicola Fusco, Daniel Spector
In this paper, we show how under the continuum hypothesis one can obtain an integral representation for elements of the topological dual of the space of functions of bounded variat…