Hyperbolic torsion polynomial detection conjecture for hyperbolic knots

Let KK be a hyperbolic knot in S3S^3, with hyperbolic torsion polynomial 4TK44\mathcal{T}_K4. Let x(K)x(K) denote the Thurston norm, equivalently the genus for a knot in S3S^3.

Hyperbolic torsion polynomial detection conjecture. The hyperbolic torsion polynomial 4TK44\mathcal{T}_K4 determines x(K)x(K), or equivalently its genus. Moreover, KK is fibered if and only if 4TK44\mathcal{T}_K4 is monic.

This conjecture proposes that the canonical hyperbolic torsion polynomial detects both the Thurston norm and fibering, despite the generally limited reliability of Alexander-type polynomials. The computations described in the paper support it for all 313,209313{,}209 hyperbolic knots with at most 15 crossings, but no resolution is supplied here.

Sources & referencesView supporting material

Primary source

Nathan M. Dunfield, Stefan Friedl and Nicholas Jackson, “Twisted Alexander polynomials of hyperbolic knots”, arXiv:1108.3045 (2012).

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