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Title:
Vafa-Witten invariants for projective surfaces
Speaker:
Abstract:
I'll describe joint work with Yuuji Tanaka defining Vafa-Witten invariants of projective surfaces. Depending on how the time goes, I'll discuss extensions to the semistable case, relations to degeneracy loci and Carlsson-Okounkov operators, and how to refine the theory.
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