Séminaires : Séminaire Théorie des Nombres

Equipe(s) : tn,
Responsables :Ziyang Gao, Marc Hindry, Bruno Kahn, João Pedro P. dos Santos
Email des responsables : ziyang.gao@imj-prg.fr
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Orateur(s) H. Nakamura - ,
Titre Some matrix representations of the parameters of the Grothendieck-Teichmueller group
Date10/03/2003
Horaire14:00 à 16:00
RésumeIt is well known that the absolute Galois group ofthe rational number field is embedded in theGrothendieck-Teichmueller group GT.The main parameter of GT is valued in the free profinitegroup of two variables. We specialize these variablesto certain 2 by 2 matrices, and find the parameterimages closely related with Anderson-Ihara's adelicbeta functions.
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