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Let $M$ be a compact oriented three-manifold whose interior is hyperbolic of finite volume. We prove a variation formula for the volume on the variety of representations of $M$ in $\operatorname{SL}_n(\mathbb C)$. Our proof follows the…

几何拓扑 · 数学 2018-12-19 Wolfgang Pitsch , Joan Porti

In this paper we define a new invariant of the incomplete hyperbolic structures on a 1-cusped finite volume hyperbolic 3-manifold M, called the ortholength invariant. We show that away from a (possibly empty) subvariety of excluded values…

几何拓扑 · 数学 2014-10-01 James G. Dowty

Using Ohtsuki's method, we prove the Asymptotic Expansion Conjecture and the Volume Conjecture of the Reshetikhin-Turaev and the Turev-Viro invariants for all hyperbolic $3$-manifolds obtained by doing a Dehn-surgery along the figure-$8$…

几何拓扑 · 数学 2022-02-15 Ka Ho Wong , Tian Yang

We construct an explicit lower bound for the volume of a complex hyperbolic orbifold that depends only on dimension.

几何拓扑 · 数学 2013-11-28 Ilesanmi Adeboye , Guofang Wei

This is an article about the work of Walter Neumann on hyperbolic geometry, ideal triangulations of 3-manifolds, the volume and Chern-Simons invariants of 3-manifolds and their elements of the the Bloch group. The article focuses on the…

几何拓扑 · 数学 2023-04-26 Stavros Garoufalidis , Don Zagier

The invariant of a link in three-sphere, associated with the cyclic quantum dilogarithm, depends on a natural number $N$. By the analysis of particular examples it is argued that for a hyperbolic knot (link) the absolute value of this…

q-alg · 数学 2008-02-03 R. M. Kashaev

We show that the cusp volume of a hyperbolic alternating knot can be bounded above and below in terms of the twist number of an alternating diagram of the knot. This leads to diagrammatic estimates on lengths of slopes, and has some…

几何拓扑 · 数学 2016-09-21 Marc Lackenby , Jessica S. Purcell

R.M. Kashaev conjectured that the asymptotic behavior of his link invariant, which equals the colored Jones polynomial evaluated at a root of unity, determines the hyperbolic volume of any hyperbolic link complement. We observe numerically…

几何拓扑 · 数学 2007-05-23 Hitoshi Murakami , Jun Murakami , Miyuki Okamoto , Toshie Takata , Yoshiyuki Yokota

The main thrust of present note is a volume formula for hyperbolic surface bundle with the fundamental group G. The novelty consists in a purely algebraic approach to the above problem. Initially, we concentrate on the Baum-Connes morphism…

几何拓扑 · 数学 2016-09-07 Igor Nikolaev

This paper makes certain observations regarding some conjectures of Milnor and Ramakrishnan in hyperbolic geometry and algebraic K-theory. As a consequence of our observations, we obtain new results and conjectures regarding the rationality…

几何拓扑 · 数学 2007-05-23 Walter D. Neumann , Jun Yang

We give a method for computing upper and lower bounds for the volume of a non-obtuse hyperbolic polyhedron in terms of the combinatorics of the 1-skeleton. We introduce an algorithm that detects the geometric decomposition of good…

几何拓扑 · 数学 2012-11-22 Christopher K. Atkinson

We calculate the volumes of the hyperbolic twist knot cone-manifolds using the Schl\"{a}fli formula. Even though general ideas for calculating the volumes of cone-manifolds are around, since there is no concrete calculation written, we…

几何拓扑 · 数学 2014-11-18 Ji-young Ham , A. D. Mednykh , V. S. Petrov

We give a closed formula for volumes of generic hyperbolic tetrahedra in terms of edge lengths. The cue of our formula is by the volume conjecture for the Turaev-Viro invariant of closed 3-manifolds, which is defined from the quantum…

度量几何 · 数学 2007-05-23 Jun Murakami , Akira Ushijima

Yokota suggested an optimistic limit method of the Kashaev invariants of hyperbolic knots and showed it determines the complex volumes of the knots. His method is very effective and gives almost combinatorial method of calculating the…

几何拓扑 · 数学 2014-09-03 Jinseok Cho , Hyuk Kim , Seonhwa Kim

This paper collects some important formulas on hyperbolic volume. To determine concrete values of volume function is a very hard question requiring the knowledge of various methods. Our goal to give a non-elementary integral on the volume…

度量几何 · 数学 2010-11-17 Á. G. Horváth

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.

几何拓扑 · 数学 2017-08-23 Hitoshi Murakami

We discuss the isometry group structure of three-dimensional black holes and Chern-Simons invariants. Aspects of the holographic principle relevant to black hole geometry are analyzed.

高能物理 - 理论 · 物理学 2008-11-26 A. A. Bytsenko , E. Elizalde , S. A. Sukhanov

We give a refined upper bound for the hyperbolic volume of an alternating link in terms of the first three and the last three coefficients of its colored Jones polynomial.

几何拓扑 · 数学 2015-08-18 Oliver Dasbach , Anastasiia Tsvietkova

We compare the volume of a hyperbolic 3-manifold $M$ of finite volume and the complexity of its fundamental group.

几何拓扑 · 数学 2013-05-30 Thomas Delzant , Leonid Potyagailo

We determine the minimal volume of arithmetic hyperbolic orientable n-dimensional orbifolds (compact and non-compact) for every odd dimension n>3. Combined with the previously known results it solves the minimal volume problem for…

群论 · 数学 2014-02-26 Mikhail Belolipetsky , Vincent Emery