Some remarks about the faithfulness of the Burau representation of Artin–Tits groups

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Authors: Asilata Bapat, Hoel Queffélec
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Abstract

We discuss the extension of the faithfulness question for the Burau representation of braid groups to the case of Artin–Tits groups. We prove that the Burau representation is not faithful in affine type {A_3} and not faithful over several finite rings in type D_{4} , using an algorithmic approach based on categorical methods that generalize Bigelow’s curve strategy outside of type A .

Fields of Study & Subjects

Geometric and Algebraic Topology Homotopy and Cohomology in Algebraic Topology Algebraic Geometry and Number Theory

Publication details

Journal / source
Groups Geometry and Dynamics
Publication date
30 June 2026
Language
EN