Green function rigidity for two dimensional sphere

Fuente: arXiv
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Main Authors: Lai, Mijia, Zhang, Chilin
Format: Preprint
Published: 2026
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author Lai, Mijia
Zhang, Chilin
author_facet Lai, Mijia
Zhang, Chilin
contents We verify a conjecture proposed by X. Chen and Y. Shi, which arises from their study of the Green function on spheres in Euclidean space. More precisely, let $M\subset \mathbb{R}^3$ be a closed $C^{2}$ embedded surface and suppose that there exists a point $p\in M$ so that its Green function $G$ is of the form $G(p,q)=-\frac{1}{2π} \ln d_{\mathbb{R}^3}(p,q)+c, \forall q\neq p$, then $M$ must be a round sphere.
format Preprint
id arxiv_https___arxiv_org_abs_2601_03773
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Green function rigidity for two dimensional sphere
Lai, Mijia
Zhang, Chilin
Differential Geometry
Analysis of PDEs
We verify a conjecture proposed by X. Chen and Y. Shi, which arises from their study of the Green function on spheres in Euclidean space. More precisely, let $M\subset \mathbb{R}^3$ be a closed $C^{2}$ embedded surface and suppose that there exists a point $p\in M$ so that its Green function $G$ is of the form $G(p,q)=-\frac{1}{2π} \ln d_{\mathbb{R}^3}(p,q)+c, \forall q\neq p$, then $M$ must be a round sphere.
title Green function rigidity for two dimensional sphere
topic Differential Geometry
Analysis of PDEs
url https://arxiv.org/abs/2601.03773