The AJ conjecture for the colored Jones polynomial and the A-polynomial

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Let KK be a knot. Denote by AK(l,α)A_K(l,\alpha) its AA-polynomial, by Aq(K)(l,α2)A_q(K)(l,\alpha^2) the specialization at q=1q=1 of the AqA_q-polynomial, and let ε\varepsilon be the evaluation map at q=1q=1. AJ conjecture. For any knot KK,

AK(l,α)=εAq(K)(l,α2)A_K(l,\alpha)=\varepsilon A_q(K)(l,\alpha^2)

up to multiplication by an element of Q(α)\mathbb{Q}(\alpha). The conjecture relates the recurrence satisfied by the colored Jones polynomial to the AA-polynomial; it has been verified for examples such as twist knots, but is not established in general.

References

Primary source

Shun Sawabe, “On the Potential Function of the Colored Jones Polynomial and the AJ conjecture”, arXiv:2212.09294 (2025).

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