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20232026
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math.AP2026

Volumetric density estimates for nonlocal minimal surfaces

Mateusz Kwaśnicki, Jack Thompson

In this article, we prove that viscosity subsolutions to nonlocal mean curvature-type equations satisfy universal volumetric estimates at all scales provided their boundary has zer…

math.AP2026

A half-space theorem for nonlocal minimal surfaces

Matteo Cozzi, Jack Thompson

We establish a half-space theorem à la Hoffman and Meeks for nonlocal minimal surfaces. Differently from the classical case, our result holds in every dimension.

math.AP2024

The nonlocal Harnack inequality for antisymmetric functions: an approach via Bochner's relation and harmonic analysis

Serena Dipierro, Mateusz Kwaśnicki, Jack Thompson +1

We revisit a Harnack inequality for antisymmetric functions that has been recently established for the fractional Laplacian and we extend it to more general nonlocal elliptic opera…

math.AP2023

Quantitative stability for the nonlocal overdetermined Serrin problem

Serena Dipierro, Giorgio Poggesi, Jack Thompson +1

We establish quantitative stability for the nonlocal Serrin overdetermined problem, via the method of the moving planes. Interestingly, our stability estimate is even better than t…

math.AP2023

Some nonlocal formulas inspired by an identity of James Simon

Serena Dipierro, Jack Thompson, Enrico Valdinoci

Inspired by a classical identity proved by James Simons, we establish a new geometric formula in a nonlocal, possibly fractional, setting. Our formula also recovers the classical c…