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Visions in Arithmetic and Beyond: Celebrating Peter Sarnak's Work and Impact
Large Compact Subvarieties of A_g
Abstract: (Joint with Samuel Grushevsky, Gabriele Mondello, Riccardo Salvati Manni) We determine the maximal dimension of a compact subvariety of the moduli space of principally polarized abelian varieties $A_g$ for any value of g. For $g<16$ the dimension is $g-1$, while for $g \geq 16$, it is determined by the larged dimensional compact Shimura subvariety, which we determine. Our methods rely on deforming the boundary using special varieties, and functional transcendence theory.
Date & Time
June 07, 2024 | 9:00am – 10:00am
Location
Princeton University McDonnell A02Speakers
Jacob Tsimerman, University of Toronto