Action of the Grothendieck-Teichmüller group on torsion elements of full Teichmüller modular groups in genus zero
Benjamin Collas (2012)
Journal de Théorie des Nombres de Bordeaux
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In this paper we establish the action of the Grothendieck-Teichmüller group on the prime order torsion elements of the profinite fundamental group . As an intermediate result, we prove that the conjugacy classes of prime order torsion of are exactly the prime order ones of the .