Colored knot polynomials: HOMFLY in representation [2, 1]
Abstract
This paper starts a systematic description of colored knot polynomials, beginning from the first non-(anti)symmetric representation R=[2,1]R=[2,1]. The project involves several steps:
(i) | parametrization of big families of knots á la [A. Mironov and A. Morozov, arXiv:1506.00339], | ||||
(ii) | evaluating Racah/mixing matrices for various numbers of strands in various representations á la [A. Mironov, A. Morozov and An. Morozov, J. High Energy Phys.03, 034 (2012), arXiv:1112.2654], | ||||
(iii) | tabulating and collecting the results at http://www.knotebook.org. |
In this paper, we discuss only the representation R=[2,1]R=[2,1] and construct all necessary ingredients that allow one to evaluate knot/links represented by three-strand closed parallel braids with inserted double-fat fingers. In particular, it is used to evaluate knots from a 7-parametric family. This family contains over 80% of knots with up to 10 intersections, but does not include mutants.
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