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math.CA2015★ 6 cited
A nonautonomous chain rule in and
Luigi Ambrosio, Graziano Crasta, Virginia De Cicco +1
In this paper we consider the chain rule formula for compositions in the case when has a Sobolev or BV regularity and is separately Sobolev, or B…
math.CA2013★ 21 cited
On the characterization of some classes of proximally smooth sets
Graziano Crasta, Ilaria Fragalà
We provide a complete characterization of closed sets with empty interior and positive reach in . As a consequence, we characterize open bounded domains in $\mathbb{R…