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Preprint in the OpenAI Math release

Purely cosmetic surgery on knots in the three-sphere

OpenAI

Abstract

We prove the purely cosmetic surgery conjecture for knots in the three-sphere. Distinct Dehn surgery slopes on a nontrivial smooth knot never give orientation-preservingly homeomorphic manifolds.

open until 1 Jan 2028

est. 50% chance this result is independently verified by the end of 2027.

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