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A divide is the image of a proper and generic immersion of a compact $1$-manifold into the $2$-disk. Due to A'Campo's theory, each divide is associated with a link in the 3-sphere. In this paper, we reveal a hidden hyperbolic structure in…

Geometric Topology · Mathematics 2024-02-27 Ryoga Furutani , Yuya Koda

Let W be a compact manifold and let \rho be a representation of its fundamental group into PSL(2,C). The volume of \rho is defined by taking any \rho-equivariant map from the universal cover of W to H^3 and then by integrating the pull-back…

Geometric Topology · Mathematics 2007-05-23 Stefano Francaviglia

We provide a detailed proof of the following folklore theorem: Let mu > 0 be a Margulis constant for 3-dimensional hyperbolic space. Then for any d>0 there exists a constant K>0, depending on mu and d, so that for any complete finite volume…

Geometric Topology · Mathematics 2012-05-14 Tsuyoshi Kobayashi , Yo'av Rieck

We prove some new evaluations for multiple polylogarithms of arbitrary depth. The simplest of our results is a multiple zeta evaluation one order of complexity beyond the well-known Broadhurst-Zagier formula. Other results we provide settle…

Classical Analysis and ODEs · Mathematics 2007-06-13 Douglas Bowman , David M. Bradley

We prove that the covolume of any quasi-arithmetic hyperbolic lattice (a notion that generalizes the definition of arithmetic subgroups) is a rational multiple of the covolume of an arithmetic subgroup. As a corollary, we obtain a good…

Metric Geometry · Mathematics 2018-02-23 Vincent Emery

Define the tet-volume of a triangulation of the 2-sphere to be the minimum number of tetrahedra in a 3-complex of which it is the boundary, and let $d(v)$ be the maximum tet-volume for $v$-vertex triangulations. In 1986 Sleator, Tarjan, and…

Combinatorics · Mathematics 2025-05-20 Peter Doyle , Matthew Ellison , Zili Wang

It is shown that the definition for the volume of stationary black holes advocated in hep-th/0508108 readily generalizes to the case of dilaton gravity in D=2. The dilaton field is included as part of the measure. A feature observed in D=3…

General Relativity and Quantum Cosmology · Physics 2015-06-25 Daniel Grumiller

The calculation of volumes of polyhedra in the three-dimensional Euclidean, spherical and hyperbolic spaces is very old and difficult problem. In particular, an elementary formula for volume of non-euclidean simplex is still unknown. One of…

Metric Geometry · Mathematics 2007-05-23 Dmitriy Derevnin , Alexander Mednykh

Ian Agol and Francesco Lin proved the existence of hyperbolic four-manifolds with vanishing Seiberg-Witten invariants. We prove that the number of such manifolds of volume at most $v$ is asymptotically bounded by $v^{cv}$ considered up to…

Geometric Topology · Mathematics 2025-08-20 Kaixu Zhang

We prove the Turaev-Viro invariants volume conjecture for a "universal" class of cusped hyperbolic 3-manifolds that produces all 3-manifolds with empty or toroidal boundary by Dehn filling. This leads to two-sided bounds on the volume of…

Geometric Topology · Mathematics 2020-02-04 Giulio Belletti , Renaud Detcherry , Efstratia Kalfagianni , Tian Yang

Berry and Tabor conjectured in 1977 that spectra of generic integrable quantum systems have the same local statistics as a Poisson point process. We verify their conjecture in the case of the two-point spectral density for a quantum…

Number Theory · Mathematics 2026-01-07 Wooyeon Kim , Jens Marklof , Matthew Welsh

We define a relative version of the Turaev-Viro invariants for an ideally triangulated compact 3-manifold with non-empty boundary and a coloring on the edges, generalizing the Turaev-Viro invariants [35] of the manifold. We also propose the…

Geometric Topology · Mathematics 2023-04-25 Tian Yang

The Kashaev-Murakami-Murakami Volume Conjecture connects the hyperbolic volume of a knot complement to the asymptotics of certain evaluations of the colored Jones polynomials of the knot. We introduce a closely related conjecture for…

Geometric Topology · Mathematics 2021-12-28 Francis Bonahon , Helen Wong , Tian Yang

In this paper, we prove the Bounded Height Conjecture which the author formulated in [2]. As a corollary, it follows that there are only a finite number of hyperbolic three manifolds of bounded volume and trace field degree.

Geometric Topology · Mathematics 2014-09-09 BoGwang Jeon

We examine the remarkable connection, first discovered by Beukers, Kolk and Calabi, between $\zeta(2n)$, the value of the Riemann zeta-function at an even positive integer, and the volume of some $2n$-dimensional polytope. It can be shown…

Classical Analysis and ODEs · Mathematics 2015-09-24 Z. K. Silagadze

Hyperideal tetrahedra are the fundamental building blocks of hyperbolic 3-manifolds with geodesic boundary. The study of their geometric properties (in particular, of their volume) has applications also in other areas of low-dimensional…

Geometric Topology · Mathematics 2019-04-12 Roberto Frigerio , Marco Moraschini

An $n$-component link $L$ is said to be \emph{Brunnian} if it is non-trivial but every proper sublink of $L$ is trivial. The simplest and best known example of a hyperbolic Brunnian link is the 3-component link known as "Borromean rings".…

Geometric Topology · Mathematics 2025-07-28 Dušan D. Repovš , Andrei Yu. Vesnin

We introduce a family of matrix dilogarithms, which are automorphisms of C^N tensor C^N, N being any odd positive integer, associated to hyperbolic ideal tetrahedra equipped with an additional decoration. The matrix dilogarithms satisfy…

Geometric Topology · Mathematics 2014-11-11 Stephane Baseilhac , Riccardo Benedetti

The cyclic insertion conjecture of Borwein, Bradley, Broadhurst and Lison\v{e}k states that by inserting all cyclic permutations of some initial blocks of 2's into the multiple zeta value $ \zeta(1,3,\ldots,1,3) $ and summing, one obtains…

Number Theory · Mathematics 2017-04-28 Steven Charlton

In the 80's H. Masur and W. Veech defined two numerical invariants of strata of abelian differentials: the volume and the Siegel-Veech constant. Based on numerical experiments, A. Eskin and A. Zorich proposed a series of conjectures for the…

Algebraic Geometry · Mathematics 2018-07-13 Adrien Sauvaget