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Finite monodromy of some families of exponential sums


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Opened Access Finite monodromy of some families of exponential sums

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Author: Rojas León, Antonio
Department: Universidad de Sevilla. Departamento de álgebra
Date: 2019-04
Published in: Journal of Number Theory, 197, 37-48.
Document type: Article
Abstract: Given a prime p and an integer d > 1, we give a numerical criterion to decide whether the ℓ-adic sheaf associated to the one-parameter exponential sums t 7→P x ψ(xd + tx) over Fp has finite monodromy or not, and work out some explicit cases where this is computable.
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DOI: 10.1016/j.jnt.2018.06.012

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