Superrigidity for homomorphisms into isometry groups of \(\text{CAT}(-1)\) spaces

DOI10.1007/BF01234662zbMath0888.22008OpenAlexW2025579475MaRDI QIDQ1377259

Yan Gao

Publication date: 13 May 1998

Published in: Transformation Groups (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/bf01234662

zbMATH Keywords

rigidityboundary theorysuperrigidityhigher rank lattices\(\text{CAT}(-1)\) spacecommensurability subgroupsergodic cocycles

Mathematics Subject Classification ID

Ergodic theory on groups (22D40) Discrete subgroups of Lie groups (22E40) Differential invariants (local theory), geometric objects (53A55)

Related Items

Applications harmoniques entre graphes finis et un théorème de superrigidité. (Harmonic maps between finite graphs and a theorem of superrigidity.), Group actions and Helly's theorem, Coxeter-Davis lattices and commensurators

Cites Work

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• CAT(-1)-spaces, divergence groups and their commensurators
• Strong Rigidity of Locally Symmetric Spaces. (AM-78)