Foliation of null cones by surfaces of constant spacetime mean curvature near MOTS

Fuente: arXiv
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Main Authors: Lambert, Ben, Scheuer, Julian
Format: Preprint
Published: 2026
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author Lambert, Ben
Scheuer, Julian
author_facet Lambert, Ben
Scheuer, Julian
contents Marginally Outer Trapped Surfaces (MOTS) in spacetimes are well-known to indicate the existence of black holes. Using flow techniques, we prove that a neighbourhood of a stable MOTS in a null cone may be foliated by hypersurfaces of constant spacetime mean curvature. We also provide methods to construct prescribed spacetime mean curvature surfaces within null cones.
format Preprint
id arxiv_https___arxiv_org_abs_2603_23083
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Foliation of null cones by surfaces of constant spacetime mean curvature near MOTS
Lambert, Ben
Scheuer, Julian
Differential Geometry
Mathematical Physics
Marginally Outer Trapped Surfaces (MOTS) in spacetimes are well-known to indicate the existence of black holes. Using flow techniques, we prove that a neighbourhood of a stable MOTS in a null cone may be foliated by hypersurfaces of constant spacetime mean curvature. We also provide methods to construct prescribed spacetime mean curvature surfaces within null cones.
title Foliation of null cones by surfaces of constant spacetime mean curvature near MOTS
topic Differential Geometry
Mathematical Physics
url https://arxiv.org/abs/2603.23083