Topological and geometric restrictions on hyperconvex representations

We study the geometry of hyperconvex representations of hyperbolic groups in PSL (d, C) and establish two structural results: a group admitting a hyperconvex representation is virtually isomorphic to a Kleinian group, and its hyperconvex limit set in the appropriate flag manifold has Hausdorff dimension strictly smaller than 2.

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Publication Details

Journal
IRIS Research product catalog (Sapienza University of Rome)
Published
2025-01-01
DOI
https://doi.org/10.1515/crelle-2025-0047
Primary Topic
Geometric and Algebraic Topology
Type
article
Field-Weighted Citation Impact
0.00

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article

Topological and geometric restrictions on hyperconvex representations

Gabriele Viaggi, James Farre, Beatrice Pozzetti
IRIS Research product catalog (Sapienza University of Rome)
Geometric and Algebraic Topology
article

Topological and geometric restrictions on hyperconvex representations

Gabriele Viaggi, James Farre, Beatrice Pozzetti
article en

Abstract

We study the geometry of hyperconvex representations of hyperbolic groups in PSL (d, C) and establish two structural results: a group admitting a hyperconvex representation is virtually isomorphic to a Kleinian group, and its hyperconvex limit set in the appropriate flag manifold has Hausdorff dimension strictly smaller than 2.

IRIS Research product catalog (Sapienza University of Rome)
Max Planck Institute for Mathematics in the Sciences (DE), Max Planck Institute for Mathematics (DE), Sapienza University of Rome (IT), University of Bologna (IT)
Deutsche Forschungsgemeinschaft
Openalex Percentile: Top 75%
Geometric and Algebraic Topology
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