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SUMMARY:Alix Deruelle (Sorbonne Université)
DTSTART:20210917T150000Z
DTEND:20210917T161500Z
DTSTAMP:20260423T005722Z
UID:CIRGET/43
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CIRGET/43/">
 A relative entropy for expanders of the Ricci flow (joint work with Felix 
 Schulze\, Warwick University)</a>\nby Alix Deruelle (Sorbonne Université)
  as part of CRM - Séminaire du CIRGET / Géométrie et Topologie\n\n\nAbs
 tract\nExpanding self-similar solutions of the Ricci flow are solutions wh
 ich evolve by scaling and diffeomorphisms only. Such solutions are also ca
 lled expanding gradient Ricci solitons. These "canonical" metrics are pote
 ntial candidates for smoothing out isolated singularities instantaneously.
  These heuristics apply to the Kähler-Ricci flow too. In this talk\, we a
 sk the question of uniqueness of such self-similar solutions coming out of
  a given metric cone over a smooth link. As a first step\, we make sense o
 f a suitable Lyapunov functional also called relative entropy in this sett
 ing.\n
LOCATION:https://researchseminars.org/talk/CIRGET/43/
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