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Related papers: Hyperbolicity of Alternating Links in Thickened Su…

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Menasco showed that a non-split, prime, alternating link that is not a 2-braid is hyperbolic in $S^3$. We prove a similar result for links in closed thickened surfaces $S \times I$. We define a link to be fully alternating if it has an…

Menasco proved that nontrivial links in the 3-sphere with connected prime alternating non-2-braid projections are hyperbolic. This was further extended to augmented alternating links wherein non-isotopic trivial components bounding disks…

We extend the theory of hyperbolicity of links in the 3-sphere to tg-hyperbolicity of virtual links, using the fact that the theory of virtual links can be translated into the theory of links living in closed orientable thickened surfaces.…

Geometric Topology · Mathematics 2019-04-16 Colin Adams , Or Eisenberg , Jonah Greenberg , Kabir Kapoor , Zhen Liang , Kate O'Connor , Natalia Pacheco-Tallaj , Yi Wang

It has been known for several decades that classical alternating links in the 3-sphere have nice hyperbolic geometric properties. Recent work generalises such results to give hyperbolic geometry of links with alternating projections onto…

Geometric Topology · Mathematics 2024-12-11 Jessica S. Purcell , Lecheng Su

We prove that if $L$ is a non-trivial alternating link embedded (without crossings) in a closed surface $F\subset S^3$, then $F$ has a compressing disk whose boundary intersects $L$ in no more than two points. Moreover, whenever the surface…

Geometric Topology · Mathematics 2020-08-18 Thomas Kindred

We consider links that are alternating on surfaces embedded in a compact 3-manifold. We show that under mild restrictions, the complement of the link decomposes into simpler pieces, generalising the polyhedral decomposition of alternating…

Geometric Topology · Mathematics 2019-06-20 Joshua A. Howie , Jessica S. Purcell

Let F be R or C, d the dimension of F over R. Denote by P(F) either the affine plane A(F) or the hyperbolic plane H(F) over F. An arrangement L of k lines in P(F) (pairwise non-parallel in the hyperbolic case) has a link at infinity K(L)…

Geometric Topology · Mathematics 2007-05-23 Lee Rudolph

We provide a diagrammatic criterion for semi-adequate links to be hyperbolic. We also give a conjectural description of the satellite structures of semi-adequate links. One application of our result is that the closures of sufficiently…

Geometric Topology · Mathematics 2016-02-12 David Futer , Efstratia Kalfagianni , Jessica S. Purcell

An alternative method is described for determining the hyperbolic structure on a link complement, and some of its elementary consequences are examined. The method is particularly suited to alternating links.

Geometric Topology · Mathematics 2015-06-16 Morwen Thistlethwaite , Anastasiia Tsvietkova

We use an extension of Gordon-Litherland pairing to thickened surfaces to give a topological characterization of alternating links in thickened surfaces. If $\Sigma$ is a closed oriented surface and $F$ is a compact unoriented surface in…

Geometric Topology · Mathematics 2023-06-27 Hans U. Boden , Homayun Karimi

We show that if a knot admits a prime, twist-reduced diagram with at least 4 twist regions and at least 6 crossings per twist region, then every non-trivial Dehn filling of that knot is hyperbolike. A similar statement holds for links. We…

Geometric Topology · Mathematics 2014-05-20 David Futer , Jessica S. Purcell

Augmented alternating links are links obtained by adding trivial components that bound twice-punctured disks to non-split reduced non-2-braid prime alternating projections. These links are known to be hyperbolic. Here, we extend to show…

Geometric Topology · Mathematics 2018-03-16 Colin Adams

We consider knots and links in handlebodies that have hyperbolic complements and operations akin to composition. Cutting the complements of two such open along separating twice-punctured disks such that each of the four resulting…

Geometric Topology · Mathematics 2023-03-07 Colin Adams , Daniel Santiago

Looking to the fundamental domains of space groups we can investigate in which space they can be realized. If this space is hyperbolic, then the corresponding space group is also hyperbolic. In addition to the usual methods for…

Geometric Topology · Mathematics 2026-05-15 Milica Stojanović

Let $G$ be a finitely presented group, and let $H$ be a subgroup of $G$. We prove that if $H$ is acylindrically hyperbolic and existentially closed in $G$, then $G$ is acylindrically hyperbolic. As a corollary, any finitely presented group…

Group Theory · Mathematics 2020-05-22 Simon André

Let M and N be n-dimensional connected orientable finite-volume hyperbolic manifolds with geodesic boundary, and let f be a given isomorphism between the fundamental groups of M and N. We study the problem whether there exists an isometry…

Geometric Topology · Mathematics 2016-09-07 Roberto Frigerio

For a hyperbolic link K in the thickened torus with no bigons, we show that there is a decomposition of the complement of a link L, obtained from augmenting K, into torihedra. We further decompose the torihedra into angled pyramids and…

Geometric Topology · Mathematics 2022-11-01 Alice Kwon , Ying Hong Tham

By using non-positively curved cubings of prime alternating link exteriors, we prove that certain ideal triangulations of their complements, derived from reduced alternating diagrams, are non-degenerate, in the sense that none of the edges…

Geometric Topology · Mathematics 2016-12-22 Makoto Sakuma , Yoshiyuki Yokota

A construction of a spatial graph from a strongly invertible knot was developed by the second author, and a necessary and sufficient condition for the given spatial graph to be hyperbolic was provided as well. The condition is improved in…

General Topology · Mathematics 2007-11-05 Kazuhiro Ichihara , Akira Ushijima

Let $M$ be a compact hyperbolic $3$-manifold with volume $V$. Let $L$ be a link such that $M\setminus L$ is hyperbolic. For any hyperbolic link $L$ in $M$, in this article, we try to establish an upper bound of the length of $n^{th}$…

Geometric Topology · Mathematics 2023-03-17 Buddha Dev Ghosh
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