A strong quantitative form of the fractional isoperimetric inequality

Fuente: arXiv
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Autori principali: Cinti, Eleonora, Merlino, Enzo Maria, Ruffini, Berardo
Natura: Preprint
Pubblicazione: 2025
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author Cinti, Eleonora
Merlino, Enzo Maria
Ruffini, Berardo
author_facet Cinti, Eleonora
Merlino, Enzo Maria
Ruffini, Berardo
contents 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 oscillation of the boundary. This generalizes the local result by Fusco and Julin in \cite{FJ}. The proof follows a regularization process as in \cite{FJ} but it is quite different in its spirit. Then, as a consequence of the quantitative inequality, we prove some stability estimates for a fractional Cheeger inequality.
format Preprint
id arxiv_https___arxiv_org_abs_2511_14885
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle A strong quantitative form of the fractional isoperimetric inequality
Cinti, Eleonora
Merlino, Enzo Maria
Ruffini, Berardo
Analysis of PDEs
Differential Geometry
Functional Analysis
Metric Geometry
Primary 49Q20, 49K40, Secondary 28A75, 49Q10
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 oscillation of the boundary. This generalizes the local result by Fusco and Julin in \cite{FJ}. The proof follows a regularization process as in \cite{FJ} but it is quite different in its spirit. Then, as a consequence of the quantitative inequality, we prove some stability estimates for a fractional Cheeger inequality.
title A strong quantitative form of the fractional isoperimetric inequality
topic Analysis of PDEs
Differential Geometry
Functional Analysis
Metric Geometry
Primary 49Q20, 49K40, Secondary 28A75, 49Q10
url https://arxiv.org/abs/2511.14885