activity
20232025
collaborators

7 papers

math.AP2025

A quantitative Hopf-Oleinik lemma for degenerate fully nonlinear operators and applications to free boundary problems

Davide Giovagnoli, Enzo Maria Merlino, Diego Moreira

We prove a quantitative inhomogeneous Hopf-Oleinik lemma for viscosity solutions of and, more generally, for viscosity supersolutions of $|\nabla u|^α\…

math.AP2025

A strong quantitative form of the fractional isoperimetric inequality

Eleonora Cinti, Enzo Maria Merlino, Berardo Ruffini

We show a strong version of the fractional quantitative isoperimetric inequality, in which the isoperimetric deficit controls not only the Fraenkel asymmetry but also a sort of osc…

math.AP2025

On a fractional Alt-Caffarelli-Friedman-type monotonicity formula

Fausto Ferrari, Davide Giovagnoli, Enzo Maria Merlino

In this note, by exploiting mean value properties of -harmonic functions, we introduce some monotonicity formulas in the nonlocal setting. We take into account intrinsically non…

math.AP2025

Regularizing effects of absorption terms in local-nonlocal mild singular problems

Stefano Biagi, Enzo Maria Merlino, Eugenio Vecchi

In this paper we prove existence and uniqueness of energy solutionns for singular problems with absorption driven by local-nonlocal operators. Moreover, we establish a comparison p…

math.AP2025

Barycentric stability of nonlocal perimeters: the convex case

Chiara Gambicchia, Enzo Maria Merlino, Berardo Ruffini +1

In this work, we establish a sharp form of a nonlocal quantitative isoperimetric inequality involving the barycentric asymmetry for convex sets. This result can be seen as the nonl…

math.AP2024

Lipschitz regularity for almost minimizers of a one-phase -Bernoulli-type functional in Carnot Groups of step two

Fausto Ferrari, Enzo Maria Merlino

In this paper, in a Carnot group of step and homogeneous dimension , we prove that almost minimizers of the (horizontal) one-phase -Bernoulli-type functional…