An effective criterion for finite monodromy of ℓ-adic sheaves

2022/07/14 by Rojas-León, Antonio
#Algebraic Geometry (math.AG) #FOS: Mathematics #Number Theory (math.NT)

paper · doi:10.48550/arxiv.2207.07155

Abstract

We provide an effective version of Katz' criterion for finiteness of the monodromy group of a lisse, pure of weight zero, ℓ-adic sheaf on a normal variety over a finite field, depending on the numerical complexity of the sheaf

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