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Speaker:

Will Donovan
Affiliation:

Tsinghua University
Date:

Mon, 26/06/2023 - 14:00 - 14:50
Location:

MPIM Lecture Hall
Parent event:

Mini-workshop in algebraic geometry Contact: Nicolas Addington

Given a singularity with a crepant resolution, a symmetry of the derived category of coherent sheaves on the resolution may often be constructed, with applications to homological mirror symmetry and enumerative geometry.

I discuss work in progress on general constructions of such symmetries for hypersurface singularities, in particular when the resolution is the blowup in a smooth locus. This builds on previous results with Segal, and is inspired by work of Bodzenta-Bondal.

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