The conjecture that satellite knots are not quasi-alternating
The conjecture that satellite knots are not quasi-alternating
Let a satellite knot be a knot whose exterior contains an incompressible torus. Let denote the class of quasi-alternating links, defined as the smallest set containing the unknot and closed under the crossing-smoothing recursion with determinant additivity. Satellite knots are not quasi-alternating.
This conjecture extends the known fact that prime alternating knots are not satellite knots in the context of quasi-alternating knots. Gordon and Lidman proved that cable knots have double branched covers that are not -spaces, so cable knots are not quasi-alternating; the conjecture remains open for satellite knots in general.
Sources & referencesView supporting material
Primary source
Subhankar Dey, “Cable knots are not thin”, arXiv:1904.11591 (2025).
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