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Algebraic Geometry Seminar, UC Davis

Sebastian Torres, University of Massachusetts

Bott vanishing using GIT and quantization

Organizer's time: 2021-05-11 11:00 America/Los_Angeles

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A smooth projective variety is said to satisfy Bott vanishing if has no higher cohomology for every and every ample line bundle . This is a very restrictive property, and there are few non-toric examples known to satisfy it. I will present a new class of examples obtained as smooth GIT quotients of . For this, I will need to use the work by Teleman and Halpern-Leistner about the derived category of a GIT quotient, and explain how this allows us, in some cases, to compute cohomologies directly in an ambient quotient stack

Submitted by: Eugene Gorsky