Events - Department of Mathematics

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The Department of Mathematics is a bustling place full of new ideas. We host several events that occur throughout the year, including seminars, colloquium, conferences, and social events. Our seminars and colloquium are open to the public: all students, faculty, or alumni who are interested are welcome to join us for exciting talks on the leading edge of mathematics research!

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Algebraic Geometry Seminar

Event Type
Department of Mathematics
345 Altgeld Hall
Apr 18, 2023   3:00 pm  
Rahul Pandharipande
Sheldon Katz

Speaker: Rahul Pandharipande, ETH Zurich

Title: Cycles on the moduli space A_g of abelian varieties

Abstract: I will present a series of new conjectures concerning Noether-Lefschetz loci and the tautological ring of the moduli space A_g of principally polarized abelian varieties. the main new tool used to study these cycles is pull-back via Torelli to the moduli space of curves of compact type. The ideas interweave questions about tautological classes on A_g with Pixton's conjectures on the moduli of genus g curves of compact type. Joint work with S. Canning and D. Oprea.

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