Weak Brumfiel–Hilden conjecture for the A-polynomial ideal

For a knot KS3K\subset S^3, let JC[m±1,l±1]J\subset \mathbb{C}[m^{\pm1},l^{\pm1}] be the kernel of the algebra map determined by the meridian and longitude, and let AK(m,l)A_K(m,l) be the AA-polynomial. Weak Brumfiel–Hilden conjecture. The ideals satisfy

J,mm1=AK(m,l),mm1.\langle J,m-m^{-1}\rangle=\langle A_K(m,l),m-m^{-1}\rangle.

This is presented as a weaker version of the Brumfiel–Hilden conjecture that J=AK(m,l)J=\langle A_K(m,l)\rangle; the source does not report a resolution, so the weaker equality remains open.

Sources & referencesView supporting material

Primary source

Yuri Berest and Peter Samuelson, “Affine cubic surfaces and character varieties of knots”, arXiv:1610.08947 (2016).

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