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Properties of obstruction theories and virtual classes

Posted in
Speaker: 
Reinier Kramer
Affiliation: 
MPIM
Date: 
Mon, 2021-01-18 10:30 - 12:00

After a recap of last week's constructions of perfect obstruction theories and virtual fundamental classes, I will discuss their properties with respect to deformation, and construct virtual pullbacks, which are bivariant classes. Then I will discuss the behaviour of virtual classes under pushforwards and give computational examples.

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