The polyhedral decomposition of cusped hyperbolic $n$-manifolds with totally geodesic boundary

Fuente: arXiv
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Main Authors: Huabin, Ge, Longsong, Jia, Faze, Zhang
Format: Preprint
Published: 2024
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author Huabin, Ge
Longsong, Jia
Faze, Zhang
author_facet Huabin, Ge
Longsong, Jia
Faze, Zhang
contents Let $M$ be a volume finite non-compact complete hyperbolic $n$-manifold with totally geodesic boundary. We show that there exists a polyhedral decomposition of $M$ such that each cell is either an ideal polyhedron or a partially truncated polyhedron with exactly one truncated face. This result parallels Epstein-Penner's ideal decomposition \cite{EP} for cusped hyperbolic manifolds and Kojima's truncated polyhedron decomposition \cite{Kojima} for compact hyperbolic manifolds with totally geodesic boundary. We take two different approaches to demonstrate the main result in this paper. We also show that the number of polyhedral decompositions of $M$ is finite.
format Preprint
id arxiv_https___arxiv_org_abs_2409_08923
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle The polyhedral decomposition of cusped hyperbolic $n$-manifolds with totally geodesic boundary
Huabin, Ge
Longsong, Jia
Faze, Zhang
Geometric Topology
Differential Geometry
57M50, 57Q15
Let $M$ be a volume finite non-compact complete hyperbolic $n$-manifold with totally geodesic boundary. We show that there exists a polyhedral decomposition of $M$ such that each cell is either an ideal polyhedron or a partially truncated polyhedron with exactly one truncated face. This result parallels Epstein-Penner's ideal decomposition \cite{EP} for cusped hyperbolic manifolds and Kojima's truncated polyhedron decomposition \cite{Kojima} for compact hyperbolic manifolds with totally geodesic boundary. We take two different approaches to demonstrate the main result in this paper. We also show that the number of polyhedral decompositions of $M$ is finite.
title The polyhedral decomposition of cusped hyperbolic $n$-manifolds with totally geodesic boundary
topic Geometric Topology
Differential Geometry
57M50, 57Q15
url https://arxiv.org/abs/2409.08923