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SUMMARY:Matthias Schütt (Hannover)
DTSTART:20220318T124000Z
DTEND:20220318T134000Z
DTSTAMP:20260423T052623Z
UID:OBAGS/3
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/OBAGS/3/">Fi
 nite symplectic automorphism groups of supersingular K3 surfaces</a>\nby M
 atthias Schütt (Hannover) as part of ODTU-Bilkent Algebraic Geometry Semi
 nars\n\n\nAbstract\nAutomorphism groups form a classical object of study i
 n algebraic geometry. In recent years\, a special focus has been put on au
 tomorphisms of K3 surface\, the most famous example being Mukai’s classi
 fication of finite symplectic automorphism groups on complex K3 surfaces. 
 Building on work of Dolgachev-Keum\, I will discuss a joint project with H
 isanori Ohashi (Tokyo) extending Mukai’s results to fields positive char
 acteristic. Notably\, we will retain the close connection to the Mathieu g
 roup M23 while realizing many larger groups compared to the complex settin
 g.\n
LOCATION:https://researchseminars.org/talk/OBAGS/3/
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