Quantum A-polynomial conjecture for knot series

Let KS3K\subset S^3 be a knot, let ΔK(x)\Delta_K(x) be its Alexander polynomial, and let fK(x,q)f_K(x,q) be the normalized knot series. Let A^\widehat{A} denote the quantum A-polynomial, acting as a qq-difference operator in xx.

Quantum A-polynomial conjecture. For any knot KS3K\subset S^3,

A^fK(x,q)=0.\widehat{A}f_K(x,q)=0.

Furthermore,

limq1fK(x,q)=s.e.(1ΔK(x)),\lim_{q\to1}f_K(x,q)=\operatorname{s.e.}\left(\frac{1}{\Delta_K(x)}\right),

where s.e.\operatorname{s.e.} is the average of the expansions of the rational function at x0x\to0 and xx\to\infty. This supplies a boundary value for the recursion and is intended to determine the series together with the quantum A-polynomial equation.

Sources & referencesView supporting material

Primary source

Sergei Gukov and Ciprian Manolescu, “A two-variable series for knot complements”, arXiv:1904.06057 (2020).

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