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math.AG2024
Grothendieck group of the stack of G-Zips
Simon Cooper
Given a connected reductive group G over the finite field of order p and a cocharacter of G over the algebraic closure of the finite field, we can define G-Zips. The collection of…
math.AG2024
Pushforward of Siegel flag varieties in the Chow ring
Simon Cooper
Given a reductive group, choice of maximal torus and Borel subgroup, and two subsets of the simple roots, one obtains a closed embedding of sub flag varieties. In this paper we com…