Hyperbolic actions of higher rank lattices come from rank-one factors

Uri Bader; Pierre Emmanuel Caprace; Alex Furman; Alessandro Sisto

doi:10.1017/etds.2024.65

Hyperbolic actions of higher rank lattices come from rank-one factors

Uri Bader
, Pierre Emmanuel Caprace
, Alex Furman
, Alessandro Sisto

Department of Mathematics

Weizmann Institute of Science

Research output: Contribution to journal › Article › peer-review

Abstract

We study actions of higher rank lattices Γ < G on hyperbolic spaces and we show that all such actions satisfying mild properties come from the rank-one factors of G. In particular, all non-elementary isometric actions on an unbounded hyperbolic space are of this type.

Original language	English
Pages (from-to)	961-988
Number of pages	28
Journal	Ergodic Theory and Dynamical Systems
Volume	45
Issue number	4
Early online date	30 Sep 2024
DOIs	https://doi.org/10.1017/etds.2024.65
State	Published - 1 Apr 2025

Keywords

Poisson boundary
discrete subgroup of semisimple Lie group
hyperbolic space
superrigidity

ASJC Scopus subject areas

General Mathematics
Applied Mathematics

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10.1017/etds.2024.65License: CC BY

Cite this

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title = "Hyperbolic actions of higher rank lattices come from rank-one factors",

abstract = "We study actions of higher rank lattices Γ < G on hyperbolic spaces and we show that all such actions satisfying mild properties come from the rank-one factors of G. In particular, all non-elementary isometric actions on an unbounded hyperbolic space are of this type.",

keywords = "Poisson boundary, discrete subgroup of semisimple Lie group, hyperbolic space, superrigidity",

author = "Uri Bader and Caprace, \{Pierre Emmanuel\} and Alex Furman and Alessandro Sisto",

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AU - Sisto, Alessandro

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PY - 2025/4/1

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AB - We study actions of higher rank lattices Γ < G on hyperbolic spaces and we show that all such actions satisfying mild properties come from the rank-one factors of G. In particular, all non-elementary isometric actions on an unbounded hyperbolic space are of this type.

KW - Poisson boundary

KW - discrete subgroup of semisimple Lie group

KW - hyperbolic space

KW - superrigidity

UR - https://www.scopus.com/pages/publications/105001071018

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DO - 10.1017/etds.2024.65

M3 - Article

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ER -

Hyperbolic actions of higher rank lattices come from rank-one factors

Abstract

Keywords

ASJC Scopus subject areas

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