Riemannian starshape and capacitary problems

We prove the Riemannian version of a classical Euclidean result: every level set of the capacitary potential of a starshaped ring is starshaped. In the Riemannian setting, we restrict ourselves to starshaped rings in a warped product of an open interval and the unit sphere. We also extend the result by replacing the Laplacian with the q -Laplacian.

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Publication Details

Journal
Nonlinear Analysis Real World Applications
Published
2025-03-23
DOI
https://doi.org/10.1016/j.nonrwa.2025.104368
Primary Topic
Nonlinear Partial Differential Equations
Type
article
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article

Riemannian starshape and capacitary problems

Kazuhiro Ishige, Asuka Takatsu, Paolo Salani
Nonlinear Analysis Real World Applications
Nonlinear Partial Differential Equations
article

Riemannian starshape and capacitary problems

Kazuhiro Ishige, Asuka Takatsu, Paolo Salani
article en

Abstract

We prove the Riemannian version of a classical Euclidean result: every level set of the capacitary potential of a starshaped ring is starshaped. In the Riemannian setting, we restrict ourselves to starshaped rings in a warped product of an open interval and the unit sphere. We also extend the result by replacing the Laplacian with the q -Laplacian.

Nonlinear Analysis Real World ApplicationsVol. 85
University of Florence (IT), Tokyo Metropolitan University (JP), The University of Tokyo (JP)
Reduced inequalities
Openalex Percentile: Top 92%
Nonlinear Partial Differential Equations
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Riemannian starshape and capacitary problems — Kazuhiro Ishige, Asuka Takatsu, et al. · Nonlinear Analysis Real World Applications (2025) | TGRS Research Map | TGRS