Date: Wednesday, January 26, 2022
Location: 4096 East Hall (4:00 PM to 5:30 PM)
Title: Cycle-valued quasi-modular forms
Abstract: The theta correspondence between automorphic forms produces a rich supply of modular forms with "special cycle" coefficients in the cohomology of Shimura varieties. I will describe what happens when we take the closure of the special cycles in toroidal compactifications, focusing on the case of orthogonal type. This has concrete applications in enumerative algebraic geometry, and leads to a related program outside the Shimura variety context.
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Speaker: François Greer
Institution: Michigan State University
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