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Original Articles

Un groupe unipotent universel

Pages 4201-4210 | Received 01 Apr 1999, Published online: 27 Jun 2007
 

Abstract

On étudie le groupe affine 𝔊 correspondant à I’algèbre de battage de Hopf, et on montre que tout groupe algébrique unipotent est un quotient de 𝔊. De plus, on utilise 𝔊 pour mieux comprendre quelques caractérisations des séries de Lie en termes de battages.

We study the affine group 𝔊 corresponding to the Hopf shuffle algebra, and show that algebraic unipotent groups are always quotients of it. We also use 𝔊 to explain certain characterization of Lie series in terms of shuffles.

Avec le support da la subvention de fonctionnement A9343 du CRSNG

Avec le support da la subvention de fonctionnement A9343 du CRSNG

Notes

Avec le support da la subvention de fonctionnement A9343 du CRSNG

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