The essential dimension of congruence covers

DOI10.1112/S0010437X21007594zbMath1490.14042arXiv1901.09013OpenAlexW3210090417MaRDI QIDQ5014255

Mark Kisin, Benson Farb, Jesse Wolfson

Publication date: 1 December 2021

Published in: Compositio Mathematica (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1901.09013

zbMATH Keywords

Shimura varietiesessential dimensionfinite flat group schemes

Mathematics Subject Classification ID

Arithmetic aspects of modular and Shimura varieties (11G18) Modular and Shimura varieties (14G35)

Related Items (6)

Finite groups scheme actions and incompressibility of Galois covers: beyond the ordinary case ⋮ Modular functions and resolvent problems (with an appendix by Nate Harman) ⋮ The behavior of essential dimension under specialization. II ⋮ On the u^∞-torsion submodule of prismatic cohomology ⋮ Fixed points, local monodromy, and incompressibility of congruence covers ⋮ Algebraic groups. Abstracts from the workshop held April 18--24, 2021 (hybrid meeting)

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