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SUMMARY:Takehiko Yasuda (Osaka University)
DTSTART:20210406T100000Z
DTEND:20210406T110000Z
DTSTAMP:20260423T053017Z
UID:ZAG/109
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/ZAG/109/">St
 ringy motives and local fundamental groups of klt surface singularities in
  arbitrary characteristic</a>\nby Takehiko Yasuda (Osaka University) as pa
 rt of ZAG (Zoom Algebraic Geometry) seminar\n\n\nAbstract\nIn this talk\, 
 I will speak about an application of stringy motives to local fundamental 
 groups of klt surface singularities. Xu proved that klt singularities in c
 haracteristic zero have finite local fundametal groups. I will explain how
  to prove that the same is true in arbitrary characteristic and in dimensi
 on two\, which had been unknown in characteristics two and three. The key 
 of the proof is to study the behavior of stringy motives under quasi-etale
  Galois covers of klt singularities. This is a joint work with Javier Carv
 ajal-Rojas.\n
LOCATION:https://researchseminars.org/talk/ZAG/109/
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