The alternating-knot characterization conjecture via colored Jones degrees

From papers

Let KS3K\subset S^3 be a knot, let pKp_K denote its Jones period, and let d+[JK(n)]d_+[J_K(n)] and d[JK(n)]d_-[J_K(n)] denote the maximal and minimal degrees of its colored Jones polynomial in tt. Alternating-knot characterization conjecture. The knot KK is alternating if and only if

pK=1and2d+[JK(n)]2d[JK(n)]=cn2+(2c)n2p_K=1\quad\text{and}\quad 2d_+[J_K(n)]-2d_-[J_K(n)]=cn^2+(2-c)n-2

for some cZc\in\mathbb{Z}. This proposes detecting alternating knots from the Jones period and degree span. The forward direction is standard from the alternating-knot formulas, while the converse is supported by the strong slope conjecture and results on Turaev genus; the conjecture itself is not resolved in the supplied text.

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Sources & referencesView supporting material

Primary source

Efstratia Kalfagianni, “Remarks on Jones slopes and surfaces of knots”, arXiv:2002.12367 (2020).

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