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We will provide bounds on both the Betti numbers and the torsion part of the homology of hyperbolic orbifolds. These bounds are linear in the volume and are a direct consequence of an efficient simplicial model of the thick part, which we…

几何拓扑 · 数学 2021-01-01 Hartwig Senska

It is known that a knot complement can be decomposed into ideal octahedra along a knot diagram. A solution to the gluing equations applied to this decomposition gives a pseudo-developing map of the knot complement, which will be called a…

几何拓扑 · 数学 2018-11-19 Hyuk Kim , Seonhwa Kim , Seokbeom Yoon

We study the relationship between two norms on the first cohomology of a hyperbolic 3-manifold: the purely topological Thurston norm and the more geometric harmonic norm. Refining recent results of Bergeron, \c{S}eng\"un, and Venkatesh as…

几何拓扑 · 数学 2018-03-23 Jeffrey F. Brock , Nathan M. Dunfield

We consider the projectivization of Minkowski space with the analytic continuation of the hyperbolic metric and call this an extended hyperbolic space. We can measure the volume of a domain lying across the boundary of the hyperbolic space…

度量几何 · 数学 2007-05-23 Yunhi Cho , Hyuk Kim

In this paper, we study the rigidity of hyperbolic polyhedral 3-manifolds and the volume optimization program of angle structures. We first study the rigidity of decorated 1-3 type hyperbolic polyhedral metrics on 3-manifolds which are…

微分几何 · 数学 2025-01-16 Feng Ke , Ge Huabin , Liu Chunlei

We derive bounds on the length of the meridian and the cusp volume of hyperbolic knots in terms of the topology of essential surfaces spanned by the knot. We provide an algorithmically checkable criterion that guarantees that the meridian…

几何拓扑 · 数学 2018-07-12 Stephan D. Burton , Efstratia Kalfagianni

We investigate the geometry of hyperbolic knots and links whose diagrams have a high amount of twisting of multiple strands. We find information on volume and certain isotopy classes of geodesics for the complements of these links, based…

几何拓扑 · 数学 2009-06-25 Jessica S. Purcell

We consider a volume maximization program to construct hyperbolic structures on triangulated 3-manifolds, for which previous progress has lead to consider angle assignments which do not correspond to a hyperbolic metric on each simplex. We…

几何拓扑 · 数学 2009-08-17 Feng Luo , Jean-Marc Schlenker

Recently, the explicit volume formulae for hyperbolic cone-manifolds, whose underlying space is the 3-sphere and the singular set is the knot $4_1$ and the links $5^2_1$ and $6^2_2$, have been obtained by the second named author and his…

几何拓扑 · 数学 2007-05-23 Dmitriy Derevnin , Alexander Mednykh , Michele Mulazzani

It is well known that an arbitrary closed orientable $3$-manifold can be realized as the unique boundary of a compact orientable $4$-manifold, that is, any closed orientable $3$-manifold is cobordant to zero. In this paper, we consider the…

几何拓扑 · 数学 2023-06-14 Jiming Ma , Fangting Zheng

This book is an introduction to hyperbolic geometry in dimension three, and its applications to knot theory and to geometric problems arising in knot theory. It has three parts. The first part covers basic tools in hyperbolic geometry and…

几何拓扑 · 数学 2020-03-02 Jessica S. Purcell

The hyperbolic structure on a 3-dimensional cone-manifold with a knot as singularity can often be deformed into a limiting Euclidean structure. In the present paper we show that the respective normalised Euclidean volume is always an…

几何拓扑 · 数学 2021-07-08 Nikolay Abrosimov , Alexander Kolpakov , Alexander Mednykh

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…

几何拓扑 · 数学 2022-08-10 Abhijit Champanerkar , Ilya Kofman , Jessica S. Purcell

This paper gives a quantitative version of Thurston's hyperbolic Dehn surgery theorem. Applications include the first universal bounds on the number of non-hyperbolic Dehn fillings on a cusped hyperbolic 3-manifold, and estimates on the…

几何拓扑 · 数学 2007-05-23 Craig D. Hodgson , Steven P. Kerckhoff

We introduce a simple algorithm which transforms every four-dimensional cubulation into a cusped finite-volume hyperbolic four-manifold. Combinatorially distinct cubulations give rise to topologically distinct manifolds. Using this…

几何拓扑 · 数学 2013-10-24 Alexander Kolpakov , Bruno Martelli

We show that any immersion, which is not a covering of an embedded 2-orbifold, of a totally geodesic hyperbolic turnover in a complete orientable hyperbolic 3-orbifold is contained in a hyperbolic 3-suborbifold with totally geodesic…

几何拓扑 · 数学 2010-07-30 Shawn Rafalski

A biperiodic alternating link has an alternating quotient link in the thickened torus. In this paper, we focus on semi-regular links, a class of biperiodic alternating links whose hyperbolic structure can be immediately determined from a…

几何拓扑 · 数学 2019-06-07 Abhijit Champanerkar , Ilya Kofman , Jessica S. Purcell

Given a closed hyperbolic 3-manifold M of volume V, and a link L in M such that the complement M \ L is hyperbolic, we establish a bound for the systole length of M \ L in terms of V. This extends a result of Adams and Reid, who showed that…

几何拓扑 · 数学 2014-10-01 Grant S. Lakeland , Christopher J. Leininger

We obtain strong upper bounds for the Betti numbers of compact complex-hyperbolic manifolds. We use the unitary holonomy to improve the results given by the most direct application of the techniques of [DS17]. We also provide effective…

微分几何 · 数学 2025-05-15 Luca F. Di Cerbo , Mark Stern

By work of W. Thurston, knots and links in the 3-sphere are known to either be torus links, or to contain an essential torus in their complement, or to be hyperbolic, in which case a unique hyperbolic volume can be calculated for their…