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Intersection theory of derived stacks

Date: Thursday, January 16, 2020 13:30 - 15:30
Speaker: Adeel Khan (University of Regensburg)
Location: Heinzel Seminar Room / Office Bldg West (I21.EG.101)
Series: Mathematics and CS Seminar
Host: Quoc Ho

Abstract:

I will discuss how various formalisms of intersection theory (Chow groups, K-theory, cobordism) can be extended to the setting of derived schemes and stacks. This gives a new approach to virtual phenomena such as the virtual fundamental class and virtual Riemann-Roch formulas.
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