Hyperbolic torsion polynomial detection conjecture for hyperbolic knots

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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.

References

Primary source

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

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