Torus HOMFLY as the Hall-Littlewood Polynomials

Details Torus HOMFLY as the Hall-Littlewood Polynomials Torus HOMFLY as the Hall-Littlewood Polynomials

2012-03-03

arxiv.org/abs/1203.0667v1

Physics

High Energy Physics

High Energy Physics - Theory

9 pages

Scientific paper

We show that the HOMFLY polynomials for torus knots T[m,n] in all fundamental representations are equal to the Hall-Littlewood polynomials in representation which depends on m, and with quantum parameter, which depends on n. This makes the long-anticipated interpretation of Wilson averages in 3d Chern-Simons theory as characters precise, at least for the torus knots, and calls for further studies in this direction. This fact is deeply related to Hall-Littlewood-MacDonald duality of character expansion of superpolynomials found in arXiv:1201.3339. In fact, the relation continues to hold for extended polynomials, but the symmetry between m and n is broken, then m is the number of strands in the braid. Besides the HOMFLY case with q=t, the torus superpolynomials are reduced to the single Hall-Littlewood characters in the two other distinguished cases: q=0 and t=0.

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