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SUMMARY:Ziwen Zhu (Peking University)
DTSTART:20210514T150000Z
DTEND:20210514T161500Z
DTSTAMP:20260423T005718Z
UID:CIRGET/42
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CIRGET/42/">
 Equivariant K-stability and valuative criteria</a>\nby Ziwen Zhu (Peking U
 niversity) as part of CRM - Séminaire du CIRGET / Géométrie et Topologi
 e\n\n\nAbstract\nEquivariant K-stability of Fano varieties is defined via 
 equivariant test configurations. By definition it is weaker than usual K-s
 tability. However\, for Fano varieties with large symmetry\, it is often e
 asier to check equivariant K-stability. Valuative criterion is developed b
 y Chi Li and Kento Fujita to characterize K-stability using valuations. In
  this talk\, I will show that there is a parallel theory for equivariant K
 -stability by introducing pseudovaluations. As an application\, I will dis
 cuss how it can be applied to study K-stability of Fano varieties under fi
 nite group action. The talk is partially based on joint work with Yuchen L
 iu.\n
LOCATION:https://researchseminars.org/talk/CIRGET/42/
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