Remark on an overdetermined problem for the $p$-harmonic equation in annular domains
Volume 181 / 2026
Colloquium Mathematicum 181 (2026), 267-276
MSC: Primary 35J25; Secondary 35A23, 31B15
DOI: 10.4064/cm9732-2-2026
Published online: 28 October 2026
Abstract
We study some overdetermined problems for the $p$-Laplacian in annular domains and prove the corresponding concentric sphere characterization using a Weinberger-type approach.
