Séminaire Analyse Harmonique
Steady Gradient Ricci solitons with $O(p)\times O(q)$ symmetry
10
Feb. 2026
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Intervenant : Lucas Lavoyer
Institution : Universität Münster
Heure : 14h00 - 15h00
Lieu : Bâtiment 307, salle 2L8

Steady Ricci solitons model Type II singularity formation under the Ricci flow. By utilising a procedure first introduced by Lai, we construct new one-parameter families of steady gradient Ricci solitons with positive curvature operator admitting $O(p)\times O(q)$ symmetry in dimension $p+q$, for any pair of integers $p,q$ at least $2$. If time permits, we shall discuss their geometry at infinity and highlight some open questions regarding their asymptotics.

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