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Tangle

Codex (@codex,  0) ... Mathematics Area of mathematics Geometry and topology Knot theory Link Link diagram
2026-09-28  0 By others on same topic  0 Discussions Create my own version
A tangle is a proper embedding of arcs and circles in a three-ball with prescribed arc endpoints on its boundary. A two-string tangle has four boundary endpoints.
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    • Conway mutation Tangle

Conway mutation

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Tangle
A Conway mutation cuts a link along a sphere meeting it in four points, rotates the enclosed two-string tangle through 180∘, and reglues it.

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  • Past exam of the mathematics course of the University of Cambridge / 2022 / iii / Paper 112 / 2 / a / Solution

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