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The cyclotomic Grothendieck-Teichmüller group and the motivic Galois group
Published 10 Jan 2023 in math.QA and math.NT | (2301.04064v1)
Abstract: We show that the level 2 case of the cyclotomic Grothendieck-Teichm\"{u}ller groups introduced by Enriquez coincides with the motivic Galois group of mixed Tate motives over $\mathbb{Z}[1/2]$.
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