Towards a Taub-Bolt to Taub-NUT via Ricci flow with surgery

Published 27 Sep 2025 in math.DG | (2509.23257v1)

Abstract: This paper shows for the first time the existence of a Ricci flow with surgery with local topology change \mathbb{CP}^2\setminus{ \mathrm{pt}} \rightarrow \mathbb{R}^4. The post surgery flow converges to the Taub-NUT metric on \mathbb{R}⁴ in infinite time.

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John Hughes

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