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QuaternionNotes(1).pdf

isogenyschool2020.co.uk · 2,688 words · saved by 1 readers

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Brief introduction to quaternion algebras. Notes for the Isogeny-based Cryptography School 2020 in Bristol Laia Amorós, Aalto University, Finland July 2021 These notes are a brief introduction to quaternion algebras and their arithmetic. The goal is to give the reader a quick overview about orders and ideals in quaternion algebras over Q and point towards useful references on the way. For a more detailed approach, the reader can take a look at the classical notes of Marie-France Vignerás [Vig80]. A…

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