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Related papers: A construction of hyperbolic Coxeter groups

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An elementary approach to the construction of Coxeter group representations is presented.

Representation Theory · Mathematics 2007-05-23 Ron M. Adin , Francesco Brenti , Yuval Roichman

We classify Coxeter decompositions of hyperbolic tetrahedra, i.e. simplices in the hyperbolic space H^3. The paper completes the classification of Coxeter decompositions of hyperbolic simplices.

Metric Geometry · Mathematics 2015-06-26 A. Felikson

We study a notion of convex cocompactness for discrete subgroups of the projective general linear group acting (not necessarily irreducibly) on real projective space, and give various characterizations. A convex cocompact group in this…

Geometric Topology · Mathematics 2023-04-19 Jeffrey Danciger , François Guéritaud , Fanny Kassel

We provide a general construction of convex cocompact hyperbolic reflection groups with three-dimensional limit sets. More precisely, our construction takes as input an arbitrary simplicial complex L of dimension 3 on n vertices, and…

Group Theory · Mathematics 2026-04-02 Sami Douba , Gye-Seon Lee , Ludovic Marquis , Lorenzo Ruffoni

By using Klein's model for hyperbolic geometry, hyperbolic structures on orbifolds or manifolds provide examples of real projective structures. By Andreev's theorem, many 3-dimensional reflection orbifolds admit a finite volume hyperbolic…

Geometric Topology · Mathematics 2010-03-24 Suhyoung Choi , Craig D. Hodgson , Gye-Seon Lee

We construct infinite series of non-simple ideal hyperbolic Coxeter 4-polytopes whose growth rates are Perron numbers. This infinite series is the first example of such a non-compact infinite polytopal series.

Geometric Topology · Mathematics 2018-04-10 Tomoshige Yukita

Much is known about random right-angled Coxeter groups (i.e., right-angled Coxeter groups whose defining graphs are random graphs under the Erd\"os-R\'enyi model). In this paper, we extend this model to study random general Coxeter groups…

Group Theory · Mathematics 2017-11-15 Angelica Deibel

We construct hyperbolic groups with the following properties: The boundary of the group has big dimension, it is separated by a Cantor set and the group does not split. This shows that Bowditch's theorem that characterizes splittings of…

Group Theory · Mathematics 2008-07-21 Thomas Delzant , Panos Papasoglu

In the spirit of peripheral subgroups in relatively hyperbolic groups, we exhibit a simple class of quasi-isometrically rigid subgroups in graph products of finite groups, which we call eccentric subgroups. As an application, we prove that,…

Group Theory · Mathematics 2022-08-10 Anthony Genevois

A Coxeter group admits infinite-dimensional irreducible complex representations if and only if it is not finite or affine. In this paper, we provide a construction of some of those representations for certain Coxeter groups using some…

Representation Theory · Mathematics 2025-03-25 Hongsheng Hu

Differential-geometric structures on the space of orbits of a finite Coxeter group, determined by Groth\'endieck residues, are calculated. This gives a construction of a 2D topological field theory for an arbitrary Coxeter group.

High Energy Physics - Theory · Physics 2007-05-23 Boris Dubrovin

The unexpected and fascinating emergence of hyperbolic Coxeter groups and Lorentzian Kac-Moody algebras in the investigation of gravitational theories in the vicinity of a cosmological singularity is briefly reviewed. Some open questions…

High Energy Physics - Theory · Physics 2008-07-01 Marc Henneaux

We give formulas for the second and third integral homology of an arbitrary finitely generated Coxeter group, solely in terms of the corresponding Coxeter diagram. The first of these calculations refines a theorem of Howlett, while the…

Algebraic Topology · Mathematics 2020-11-11 Rachael Boyd

See math.CV/0509030 which replaces this paper.

Complex Variables · Mathematics 2007-05-23 A. V. Isaev

We construct models for the classifying spaces of coabelian subgroups of right-angled Coxeter groups as homotopy orbit spaces of real moment-angle complexes, generalizing well-known models for the classifying space of a right-angled Coxeter…

Algebraic Topology · Mathematics 2026-04-24 Steven Amelotte , Vladimir Gorchakov

Let $\Gamma$ be a connected, triangle-free, planar graph with at least five vertices that has no separating vertices or edges. If the graph $\Gamma$ is $\mathcal{CFS}$, we prove that the right-angled Coxeter group $G_\Gamma$ is virtually a…

Group Theory · Mathematics 2019-10-30 Hoang Thanh Nguyen , Hung Cong Tran

Hierarchically hyperbolic spaces (HHSs) are a large class of spaces that provide a unified framework for studying the mapping class group, right-angled Artin and Coxeter groups, and many 3--manifold groups. We investigate strongly…

Group Theory · Mathematics 2021-06-18 Jacob Russell , Davide Spriano , Hung Cong Tran

In this paper, we prove that all finitely generated malnormal subgroups of one-ended right-angled Coxeter groups are strongly quasiconvex and they are in particular quasiconvex when the ambient groups are hyperbolic. The key idea is to…

Group Theory · Mathematics 2018-10-18 Hung Cong Tran

Let S be a closed surface of genus at least 2. We show that a finitely generated group G which is an extension of the fundamental group H of S is word hyperbolic if and only the orbit map of the quotient group G/H on the complex of curves…

Geometric Topology · Mathematics 2015-05-06 Ursula Hamenstaedt

We construct partially hyperbolic diffeomorphisms having semi-local robustly transitive sets with $C^1$-robust cycles of any co-index. These constructions also provide a new method to create $C^2$-robust homoclinic, equidimensional and…

Dynamical Systems · Mathematics 2017-07-24 Pablo G. Barrientos , Artem Raibekas