PALINDROME PRESENTATIONS OF RATIONAL KNOTS

Author:

CAVICCHIOLI ALBERTO1,REPOVŠ DUŠAN2,SPAGGIARI FULVIA1

Affiliation:

1. Dipartimento di Matematica, Università di Modena e Reggio Emilia, Via Campi 213/B, 41100 Modena, Italy

2. Institute of Mathematics, Physics and Mechanics, University of Ljubljana, P.O. Box 2964, Ljubljana 1001, Slovenia

Abstract

We give explicit palindrome presentations of the groups of rational knots, i.e. presentations with relators which read the same forwards and backwards. This answers a question posed by Hilden, Tejada and Toro in 2002. Using such presentations we obtain simple alternative proofs of some classical results concerning the Alexander polynomial of all rational knots and the character variety of certain rational knots. Finally, we derive a new recursive description of the SL(2, ℂ) character variety of twist knots.

Publisher

World Scientific Pub Co Pte Lt

Subject

Algebra and Number Theory

Cited by 2 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. New formulas for the character varieties of two-bridge links;Journal of Geometry;2021-10-21

2. The character variety of some classes of rational knots;Journal of Knot Theory and Its Ramifications;2019-08

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