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Random Quotients of Hyperbolic Spaces with Respect to WPD Actions and Linear Connectivity of the Boundary

  • Inhyeok Choi
  • Henry Talbott
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Abstract

We study random quotients of acylindrically hyperbolic groups and hierchically hyperbolic groups, whose (partial) hyperbolicity is captured by their actions on Gromov hyperbolic spaces. We show that if an acylindrically hyperbolic group G acts on a Gromov hyperbolic space X coarsely transitively with a WPD element, then the quotient of X by the normal closure of a random element of G has linearly connected boundary. If G is a group with a (relative) hierarchically hyperbolic group structure, with a quasi-tree top domain X, then in fact the quotient of X by the normal closure of a random element of G has boundary homeomorphic to the Nöbeling curve.

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Cite

BibTeXRIS
BibTeX
@misc{choi2026random,
  title = {{Random Quotients of Hyperbolic Spaces with Respect to WPD Actions and Linear Connectivity of the Boundary}},
  author = {Inhyeok Choi and Henry Talbott},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2610.21141},
  eprint = {2610.21141},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2610.21141},
}
RIS
TY  - UNPB
TI  - Random Quotients of Hyperbolic Spaces with Respect to WPD Actions and Linear Connectivity of the Boundary
AU  - Inhyeok Choi
AU  - Henry Talbott
PY  - 2026
DA  - 2026/10/15
PB  - arXiv
DO  - 10.48550/arxiv.2610.21141
UR  - https://arxiv.org/abs/2610.21141
AB  - We study random quotients of acylindrically hyperbolic groups and hierchically hyperbolic groups, whose (partial) hyperbolicity is captured by their actions on Gromov hyperbolic spaces. We show that if an acylindrically hyperbolic group G acts on a Gromov hyperbolic space X coarsely transitively with a WPD element, then the quotient of X by the normal closure of a random element of G has linearly connected boundary. If G is a group with a (relative) hierarchically hyperbolic group structure, with a quasi-tree top domain X, then in fact the quotient of X by the normal closure of a random element of G has boundary homeomorphic to the Nöbeling curve.
ER  -