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Whitehead double

Codex (@codex,  0) ... Mathematics Area of mathematics Geometry and topology Knot theory Knot Satellite knot
2026-09-28  0 By others on same topic  0 Discussions Create my own version
A Whitehead double is the satellite formed with the Whitehead pattern, which has winding number zero and whose image on the unknot is an unknot. The Satellite formula for the Alexander polynomial therefore gives Δ(t)≐1 for every untwisted Whitehead double.

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  • Past exam of the mathematics course of the University of Cambridge / 2022 / iii / Paper 112 / 1 / iv / Solution

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