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We give some remarks on two closely related issues as stated in the title. In particular we show that a Montesinos knot is SU(2)-simple if and only if it is a 2-bridge knot, extending a result of Zentner for 3-tangle summand pretzel knots.…

几何拓扑 · 数学 2019-02-19 Xingru Zhang

This paper exhibits an infinite family of hyperbolic knot complements that have three knot complements in their respective commensurability classes.

几何拓扑 · 数学 2014-10-01 Neil R. Hoffman

We classify all knot diagrams of genus two and three, and give applications to positive, alternating and homogeneous knots, including a classification of achiral genus 2 alternating knots, slice or achiral 2-almost positive knots, a proof…

几何拓扑 · 数学 2008-08-30 A. Stoimenow

We show that nontrivial classical pretzel knots L(p,q,r) are hyperbolic with eight exceptions which are torus knots. We find Conway polynomials of n-pretzel links using a new computation tree. As applications, we compute the genera of…

几何拓扑 · 数学 2007-07-18 Dongseok Kim , Jaeun Lee

We classify genus-two L-space knots in the Poincar\'e homology sphere. This leads to the second knot Floer homology detection result for a knot of genus at least two, and the first such result outside of $S^3$. The argument uses the theory…

几何拓扑 · 数学 2023-06-02 Braeden Reinoso

We prove Riley's conjecture on the number of parabolic SL(2,R) representations of 2-bridge knot groups.

几何拓扑 · 数学 2016-02-10 C. McA. Gordon

We give formulas for the numbers of type II and type IV hyperbolic components in the space of quadratic rational maps, for all fixed periods of attractive cycles.

动力系统 · 数学 2014-02-26 Jan Kiwi , Mary Rees

Let G be the fundamental group of the complement of the torus knot of type (m,n). We study the relationship between SU(2) and SL(2,C)-representations of this group, looking at their characters. Using the description of the SL(2,C)-character…

代数几何 · 数学 2012-02-24 Javier Martínez-Martínez , Vicente Muñoz

We show that given n>0, there exists a hyperbolic knot K with trivial Alexander polynomial, trivial finite type invariants of order <=n, and such that the volume of the complement of K is larger than n. This contrasts with the known…

几何拓扑 · 数学 2014-10-01 Efstratia Kalfagianni

For each Montesinos knot $K$, we propose an efficient method to explicitly determine the irreducible ${\rm SL}(2,\mathbb{C})$-character variety, and show that it can be decomposed as…

几何拓扑 · 数学 2022-04-21 Haimiao Chen

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…

几何拓扑 · 数学 2014-05-20 David Futer , Jessica S. Purcell

In this note, we show that if there is a knot in $S^3$ having $\mathbb{Z}_m$ torsion in its Khovanov homology, then there are infinitely many hyperbolic knots and infinitely many prime satellite knots having $\mathbb{Z}_m$ torsion in their…

几何拓扑 · 数学 2022-05-18 Micah Chrisman , Sujoy Mukherjee

A Seifert surface F for a knot K is free if the complement of F is a handlebody (i.e., has free fundamental group). The free genus of K is the minimum genus among all free Seifert surfaces for K. In this paper we show that there exist…

几何拓扑 · 数学 2007-05-23 Mark Brittenham

Using the correspondence between Chern-Simons theories and Wess-Zumino-Witten models we present the necessary tools to calculate colored HOMFLY polynomials for hyperbolic knots. For two-bridge hyperbolic knots we derive the colored HOMFLY…

高能物理 - 理论 · 物理学 2015-05-19 Jie Gu , Hans Jockers

We discuss a matrix of periodic holomorphic functions in the upper and lower half-plane which can be obtained from a factorization of an Andersen-Kashaev state integral of a knot complement with remarkable analytic and asymptotic properties…

几何拓扑 · 数学 2023-11-02 Stavros Garoufalidis , Don Zagier

We show examples of knots with the same polynomial invariants and hyperbolic volumes, with variously coinciding 2-cable polynomials and colored Jones polynomials, which are not mutants.

几何拓扑 · 数学 2008-09-24 Alexander Stoimenow , Toshifumi Tanaka

We develop an algebraic representation for (1,1)-knots using the mapping class group of the twice punctured torus MCG(T,2). We prove that every (1,1)-knot in a lens space L(p,q) can be represented by the composition of an element of a…

几何拓扑 · 数学 2007-05-23 Alessia Cattabriga , Michele Mulazzani

Murasugi discovered two criteria that must be satisfied by the Alexander polynomial of a periodic knot. We generalize these to the case of twisted Alexander polynomials. Examples demonstrate the application of these new criteria, including…

几何拓扑 · 数学 2009-02-26 Jonathan A Hillman , Charles Livingston , Swatee Naik

We describe relations between hyperbolic geometry and codimension two knots or, more exactly, between varieties of conjugacy classes of discrete faithful representations of the fundamental groups of hyperbolic n-manifolds M into…

几何拓扑 · 数学 2007-05-23 Boris Apanasov

We show that all twist knots, certain double twist knots and some other 2-bridge knots are minimal elements for the partial ordering on the set of prime knots. The key to these results are presentations of their character varieties using…

几何拓扑 · 数学 2014-09-03 Fumikazu Nagasato , Anh T. Tran