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Graph products of cyclic groups and Coxeter groups are two families of groups that are defined by labeled graphs. The family of Dyer groups contains these both families and gives us a framework to study these groups in a unified way. This…

Group Theory · Mathematics 2023-05-18 Luis Paris , Olga Varghese

In this paper, we derive an asymptotic formula for the number of conjugacy classes of elements in a class of statistically convex-cocompact actions with contracting elements. Denote by $\mathcal C(o, n)$ (resp. $\mathcal C'(o, n)$) the set…

Group Theory · Mathematics 2022-02-17 Ilya Gekhtman , Wen-yuan Yang

In this article, we introduce rotation groups as a common generalisation of Coxeter groups and graph products of groups (including right-angled Artin groups). We characterise algebraically these groups by presentations (periagroups) and we…

Group Theory · Mathematics 2026-02-17 Anthony Genevois

In this paper we consider groups of the form $G\wr L$, where the set of generators naturally extends the sets of generators of $G$ and $L$, and $L$ admits a Cayley graph that is a tree. We show how one can compute the conjugacy growth…

Group Theory · Mathematics 2017-08-09 Valentin Mercier

In this paper we give a recursive formula for the conjugacy growth series of a graph product in terms of the conjugacy growth and standard growth series of subgraph products. We also show that the conjugacy and standard growth rates in a…

Group Theory · Mathematics 2021-03-09 Laura Ciobanu , Susan Hermiller , Valentin Mercier

In this work we characterise Cayley graphs of Coxeter groups with respect to the standard generating set that admit uncountable vertex stabilisers. As a corollary, we fully identify finitely generated Coxeter groups for which the…

Group Theory · Mathematics 2023-02-10 Federico Berlai , Michal Ferov

A group G is acylindrically hyperbolic if it admits a non-elementary acylindrical action on a hyperbolic space. We prove that every acylindrically hyperbolic group G has a generating set X such that the corresponding Cayley graph is a…

Group Theory · Mathematics 2018-03-16 Sahana Balasubramanya

We study the conjugacy class growth function in finitely generated virtually abelian groups. That is, the number of elements in the ball of radius $n$ in the Cayley graph which intersect a fixed conjugacy class. In the class of virtually…

Group Theory · Mathematics 2025-02-26 Aram Dermenjian , Alex Evetts

Let G be a finitely generated group and Cay(G, S) be the Cayley graph of G with respect to a finite generating set S. We characterize the Gromov hyperbolicity of G in terms of the genericity of contracting elements in Cay(G, S).

Geometric Topology · Mathematics 2023-08-04 Kunal Chawla , Inhyeok Choi , Giulio Tiozzo

In this paper, we establish that, for statistically convex-cocompact actions, contracting elements are exponentially generic in counting measure. Among others, the following exponential genericity results are obtained as corollaries for the…

Group Theory · Mathematics 2017-07-20 Wenyuan Yang

We define a large class of abstract Coxeter groups, that we call $\infty$--spanned, and for which the word growth rate and the geodesic growth rate appear to be Perron numbers. This class contains a fair amount of Coxeter groups acting on…

Group Theory · Mathematics 2021-04-20 Alexander Kolpakov , Alexey Talambutsa

We show that the class of $\mathcal{C}$-hereditarily conjugacy separable groups is closed under taking arbitrary graph products whenever the class $\mathcal{C}$ is an extension closed variety of finite groups. As a consequence we show that…

Group Theory · Mathematics 2016-10-13 Michal Ferov

In this paper, we study geodesic growth of numbered graph products; these are a generalization of right-angled Coxeter groups, defined as graph products of finite cyclic groups. We first define a graph-theoretic condition called…

Combinatorics · Mathematics 2023-06-22 Lindsay Marjanski , Vincent Solon , Frank Zheng , Kathleen Zopff

In this paper, we investigate structural properties of the Cayley graph of a quandle and describe this graph for several important classes of quandles, including conjugation, Takasaki, dihedral, and Alexander quandles. In particular, we…

Geometric Topology · Mathematics 2026-04-21 David Dolžan , Bogdana Oliynyk

In this paper, we introduce and initiate the study of quandle products of groups, a family of groups that includes graph products of groups, cactus groups, wreath products, and the recently introduced trickle groups. Our approach is…

Group Theory · Mathematics 2025-05-15 Anthony Genevois

We prove that even Coxeter groups, whose Coxeter diagrams contain no (4,4,2) triangles, are conjugacy separable. In particular, this applies to all right-angled Coxeter groups or word hyperbolic even Coxeter groups. For an arbitrary Coxeter…

Group Theory · Mathematics 2015-03-27 Pierre-Emmanuel Caprace , Ashot Minasyan

In the present paper I consider Cayley graphs of reflection groups of finite-sided Coxeter polyhedra in 3-dimensional hyperbolic space H^3, with standard sets of generators. As the main result, I prove the existence of non-trivial…

Probability · Mathematics 2013-03-25 Jan Czajkowski

There are several graphs defined on groups. Among them we consider graphs whose vertex set consists conjugacy classes of a group $G$ and adjacency is defined by properties of the elements of conjugacy classes. In particular, we consider…

Group Theory · Mathematics 2024-03-20 P. J. Cameron , F. E. Jannat , R. K. Nath , R. Sharafdini

We investigate structural and combinatorial properties of Bi-Cayley graphs defined over cyclic groups of order $p^2q^2$, where $p$ and $q$ are distinct primes. We begin by describing their fundamental group-theoretic underpinnings. The main…

Combinatorics · Mathematics 2026-03-11 Iqbal Atmaja , Yeni Susanti , Ahmad Erfanian

Let $G$ be an acylindrically hyperbolic group on a $\delta$-hyperbolic space $X$. Assume there exists $M$ such that for any finite generating set $S$ of $G$, the set $S^M$ contains a hyperbolic element on $X$. Suppose that $G$ is…

Group Theory · Mathematics 2023-06-12 Koji Fujiwara
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