2 papers
math.AP2026
Stability of the ball in isoperimetric inequalities between two fractional perimeters
G. Alberti, G. Cozzi, A. Massaccesi +1
We consider the isoperimetric inequality involving the -perimeter and the -perimeter with , and show that the ball is a local minimizer of the (scale-invariant) isop…
math.CA2025
On the closability of differential operators
Giovanni Alberti, David Bate, Andrea Marchese
We discuss the closability of directional derivative operators with respect to a general Radon measure on ; our main theorem completely characterizes the vectorf…