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We prove that divergent, extended geometrically finite (in the sense of Weisman arXiv:2205.07183) representations can be interpreted as restricted Anosov (in the sense of Tholozan--Wang arXiv:2307.02934) representations over certain flow…

Geometric Topology · Mathematics 2026-04-20 Tianqi Wang

This is the second of a pair of papers on extended geometrically finite (EGF) representations, which were originally posted as a single article under the title "An extended definition of Anosov representation for relatively hyperbolic…

Geometric Topology · Mathematics 2023-12-01 Theodore Weisman

Anosov representations give a higher-rank analogue of convex cocompactness in a rank-one Lie group which shares many of its good geometric and dynamical properties; geometric finiteness in rank one may be seen as a controlled weakening of…

Group Theory · Mathematics 2020-03-30 Feng Zhu

We study the limit set of discrete subgroups arising from Anosov representations. Specially we study the limit set of discrete groups arising from strictly convex real projective structures and Anosov representations from a finitely…

Geometric Topology · Mathematics 2012-12-05 Inkang Kim , Sungwoon Kim

We provide characterizations of Anosov representations of word hyperbolic groups into real semisimple Lie groups in terms of the existence of equivariant limit maps on the Gromov boundary, the Cartan property and the uniform gap summation…

Geometric Topology · Mathematics 2025-10-14 Konstantinos Tsouvalas

This is the first in a series of two papers that develops a theory of relatively Anosov representations using the original "contracting flow on a bundle" definition of Anosov representations introduced by Labourie and Guichard-Wienhard. In…

Geometric Topology · Mathematics 2023-08-07 Feng Zhu , Andrew Zimmer

We study through the lens of Anosov representations the dynamical properties of reducible suspensions of linear representations of non-elementary hyperbolic groups, which are linear representations preserving and acting weakly unipotently…

Group Theory · Mathematics 2024-04-03 Max Lahn

Anosov representations of word hyperbolic groups into higher-rank semisimple Lie groups are representations with finite kernel and discrete image that have strong analogies with convex cocompact representations into rank-one Lie groups.…

Geometric Topology · Mathematics 2017-09-29 Jeffrey Danciger , François Guéritaud , Fanny Kassel

We prove that any hyperbolic group acting properly discontinuously and cocompactly on a $\mathrm{CAT}(0)$ cube complex admits a projective Anosov representation into $\mathrm{SL}(d, \mathbb{R})$ for some $d$. More specifically, we show that…

Group Theory · Mathematics 2026-01-30 Sami Douba , Balthazar Fléchelles , Theodore Weisman , Feng Zhu

We define the notion of affine Anosov representations of word hyperbolic groups into the affine group $\mathsf{SO}^0(n+1,n)\ltimes\mathbb{R}^{2n+1}$. We then show that a representation $\rho$ of a word hyperbolic group is affine Anosov if…

Geometric Topology · Mathematics 2024-01-29 Sourav Ghosh , Nicolaus Treib

We develop a theory of Anosov representation of geometrically finite Fuchsian groups in SL(d,R) and show that cusped Hitchin representations are Borel Anosov in this sense. We establish analogues of many properties of traditional Anosov…

Differential Geometry · Mathematics 2022-04-20 Richard Canary , Tengren Zhang , Andrew Zimmer

We give a complete characterization of the holonomies of strictly convex cusps and of round cusps in convex projective geometry. We build families of generalized cusps of non-maximal rank associated to each strictly convex or round cusp. We…

Geometric Topology · Mathematics 2025-12-02 Balthazar Fléchelles

We propose several common extensions of the classes of Anosov subgroups and geometrically finite Kleinian groups among discrete subgroups of semisimple Lie groups. We relativize various dynamical and coarse geometric characterizations of…

Group Theory · Mathematics 2023-01-12 Michael Kapovich , Bernhard Leeb

We study infinite covolume discrete subgroups of higher rank semisimple Lie groups, motivated by understanding basic properties of Anosov subgroups from various viewpoints (geometric, coarse geometric and dynamical). The class of Anosov…

Group Theory · Mathematics 2017-03-07 Michael Kapovich , Bernhard Leeb , Joan Porti

The notion of Anosov representations has been introduced by Labourie in his study of the Hitchin component for SL(n,R). Subsequently, Anosov representations have been studied mainly for surface groups, in particular in the context of higher…

Differential Geometry · Mathematics 2015-05-30 Olivier Guichard , Anna Wienhard

In this paper we show that many projective Anosov representations act convex cocompactly on some properly convex domain in real projective space. In particular, if a non-elementary word hyperbolic group is not commensurable to a non-trivial…

Differential Geometry · Mathematics 2022-02-10 Andrew Zimmer

We introduce and study \emph{simple Anosov representations} of closed hyperbolic surface groups, analogous to Minsky's \emph{primitive stable representations} of free groups. We prove that the set of simple Anosov representations into…

Geometric Topology · Mathematics 2023-07-07 Nicolas Tholozan , Tianqi Wang

For uniform lattices $\Gamma$ in rank 1 Lie groups, we construct Anosov representations of virtual doubles of $\Gamma$ along certain quasiconvex subgroups. We also show that virtual HNN extensions of these lattices over some cyclic…

Group Theory · Mathematics 2025-05-01 Subhadip Dey , Konstantinos Tsouvalas

We define new topological invariants for Anosov representations and study them in detail for maximal representations of the fundamental group of a closed oriented surface into the symplectic group.

Differential Geometry · Mathematics 2014-02-26 Olivier Guichard , Anna Wienhard

We introduce a generalization of the notion of Anosov representations by restricting to invariant closed geodesic subflows. Examples of such representations include many non-discrete representations with good geometric properties, such as…

Differential Geometry · Mathematics 2023-03-20 Tianqi Wang
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