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SUMMARY:Homological comparison of crepant resolutions and smooth ambient s
 paces - Will Donovan\, Tsinghua University
DTSTART:20230426T131500Z
DTEND:20230426T141500Z
UID:TALK199060@talks.cam.ac.uk
CONTACT:Mark Gross
DESCRIPTION:Given a singularity with a crepant resolution\, a symmetry of 
 the derived\ncategory of coherent sheaves on the resolution may often be c
 onstructed\, with\napplications to homological mirror symmetry and enumera
 tive geometry. I relate\nsuch constructions to the derived category of a s
 mooth ambient space for the\ngiven singularity. This builds on previous re
 sults with Segal\, and is inspired\nby work of Bodzenta-Bondal.
LOCATION:CMS MR13
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