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Let $G$ be a group acting acylindrically on a hyperbolic space and let $E$ be an exponential equation over $G$. We show that $E$ is equivalent to a finite disjunction of finite systems of pairwise independent equations which are either…

Group Theory · Mathematics 2022-05-25 Agnieszka Bier , Oleg Bogopolski

We consider a special class of framed links that arise from the hexatangle. Such links are introduced in [arXiv:0807.1677], which was also analyzed when the 3-manifold obtained after performing integral Dehn surgery on closed pure 3-braids…

Geometric Topology · Mathematics 2023-06-19 Lorena Armas-Sanabria , Jesús Rodríguez Viorato , E. Fanny Jasso-Hernández

We explain how to construct certain potential functions for the hyperbolic structures of a knot complement, which are closely related to the analytic functions on the deformation space of hyperbolic structures.

Geometric Topology · Mathematics 2007-05-23 Yoshiyuki Yokota

We explicitly construct a sequence of hyperbolic links $\{ L_{4n} \}$ where the number of symmetries of each $\mathbb{S}^{3} \setminus L_{4n}$ that are not induced by symmetries of the pair $(\mathbb{S}^{3}, L_{4n})$ grows linearly with n.…

Geometric Topology · Mathematics 2025-04-07 Christian Millichap , Rolland Trapp

We provide the first examples of strongly dense representations of a hyperbolic 3-manifold group into $SL(4,\mathbb{R})$ and $SU(3,1)$ i.e. representations where every pair of non-commuting elements has Zariski dense image. Our examples are…

Geometric Topology · Mathematics 2024-01-17 Ricky Lee

Using techniques from the theory of Kirby calculus we give an explicit construction of a four dimensional hyperbolic link complement in a 4-manifold that is diffeomorphic to a standard $S^2 \times S^2$.

Geometric Topology · Mathematics 2015-04-07 Hemanth Saratchandran

Let $Sp(2,1)$ be the isometry group of the quaternionic hyperbolic plane ${{\bf H}_{\mathbb H}}^2$. An element $g$ in $Sp(2,1)$ is `hyperbolic' if it fixes exactly two points on the boundary of ${{\bf H}_{\mathbb H}}^2$. We classify pairs…

Geometric Topology · Mathematics 2018-03-06 Krishnendu Gongopadhyay , Sagar B. Kalane

We discuss the fundamental (relative) 3-classes of knots (or hyperbolic links), and provide diagrammatic descriptions of the push-forwards with respect to every link-group representation. The point is an observation of a bridge between the…

Geometric Topology · Mathematics 2017-08-17 Takefumi Nosaka

We classify tight contact structures on various surgeries on the Whitehead link, which provides the first classification result on an infinite family of hyperbolic L-spaces. We also determine which of the tight contact structures are Stein…

Geometric Topology · Mathematics 2023-11-27 Hyunki Min , Isacco Nonino

This paper examines the representations of hyperbolic integral homology spheres into the binary icosahedral group $2I$. We specifically give a geometric meaning to $2I$ representations by relating them to Larsen's notion of quotient…

Geometric Topology · Mathematics 2025-02-11 Maria Stuebner

We state and prove a combination theorem for relatively hyperbolic groups seen as geometrically finite convergence groups. For that, we explain how to contruct a boundary for a group that is an acylindrical amalgamation of relatively…

Group Theory · Mathematics 2014-11-11 Francois Dahmani

We define invariants for a framed link equipped with a SL2 local system in its complement and additional combinatorial data based on the theory of representations of stated skein algebras at roots of unity of punctured bigons and the…

Geometric Topology · Mathematics 2024-12-24 Julien Korinman

I follow Y. Yokota to explain how to obtain a tetrahedron decomposition of the complement of a hyperbolic knot and compare it with the asymptotic behavior of Kashaev's link invariant using the figure-eight knot as an example.

Geometric Topology · Mathematics 2017-08-23 Hitoshi Murakami

In this paper we present a classical construction of the Hyperbolic structure of the complement of a link in the sense of Thurston for the particular case of the Borromean rings link. As this is nothing new, the aim of this paper is to…

Geometric Topology · Mathematics 2021-04-02 Alejandro Ucan-Puc

Tits has defined Kac-Moody and Steinberg groups over commutative rings, providing infinite dimensional analogues of the Chevalley-Demazure group schemes. Here we establish simple explicit presentations for all Steinberg and Kac-Moody groups…

Group Theory · Mathematics 2015-08-04 Daniel Allcock , Lisa Carbone

We study a more general version of the gluings of hyperbolic orbifolds in the spirit of Gromov and Piatetski-Shapiro, where the gluing pieces, called the building blocks, are no longer assumed to be arithmetic or incommensurable. We prove…

Geometric Topology · Mathematics 2025-07-18 Nikolay Bogachev , Dmitry Guschin , Andrei Vesnin

In 2015 Hikami and Inoue constructed a representation of the braid group in terms of cluster algebra associated with the decomposition of the complement of the corresponding knot into ideal hyperbolic tetrahedra. This representation leads…

Geometric Topology · Mathematics 2024-08-26 Andrey Egorov

We analyze the geometrical background under which many Lie groups relevant to particle physics are endowed with a (possibly multiple) hexagonal structure. There are several groups appearing, either as special holonomy groups on the…

High Energy Physics - Theory · Physics 2015-06-11 Adil Belhaj , Luis J. Boya , Antonio Segui

According to an analogy to quasi-Fuchsian groups, we investigate topological and combinatorial structures of Lyubich and Minsky's affine and hyperbolic 3-laminations associated with the hyperbolic and parabolic quadratic maps. We begin by…

Dynamical Systems · Mathematics 2014-01-17 Tomoki Kawahira

To any prime alternating link, we associate a collection of hyperbolic right-angled ideal polyhedra by relating geometric, topological and combinatorial methods to decompose the link complement. The sum of the hyperbolic volumes of these…

Geometric Topology · Mathematics 2022-08-10 Abhijit Champanerkar , Ilya Kofman , Jessica S. Purcell