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

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  • UserJohn Hughes (University of Oxford)
  • ClockMonday 26 January 2026, 14:00-15:00
  • HouseMR3.

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A conjecture of Holzegel, Schmelzer and Warnick states that there is a Ricci flow with surgery connecting the two Ricci flat metrics Taub-Bolt and Taub-NUT. We will present some recent progress towards proving this conjecture. This includes showing for the first time the existence of a Ricci flow with surgery with local topology change $\mathbb{CP}2\setminus\{ \mathrm{pt}\} \rightarrow \mathbb{R}4$.

This talk is part of the Geometric Analysis & Partial Differential Equations seminar series.

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