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Automorphisms of the little disks operad with torsion coefficients
Published 11 Dec 2016 in math.AT | (1612.03420v2)
Abstract: We compute the automorphisms of the Bousfield-Kan completion at a prime p of the little two-disks operads and show that they are given by the pro-p Grothendieck-Teichm\"uller group. We also show that the Grothendieck-Teichm\"uller group acts faithfully on the p-complete stable little disks operad.
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