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Bibliographic Details
Main Author: Prade, Adriano
Format: Preprint
Published: 2025
Subjects:
Online Access:https://arxiv.org/abs/2501.14639
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Table of Contents:
  • For $0<s<1$, we consider the nonlocal equation $(-Δ)^s u = f$ over a Reifenberg flat domain $Ω$ with $f \in C({\overlineΩ})$ and null Dirichlet exterior condition. Given $α\in (0,s)$, we prove that weak solutions are $α$-Hölder continuous up to the boundary when the flatness parameter is small enough. The main ingredients of the proof are an iterative argument and a nonlocal version of the ABP maximum principle.