20 citations · 33 across the 13 of their papers we have counts for
Showing math.GTShow all
3 papers · 1 filter
math.GT2026
The Grothendieck-Teichmüller group acts on the genus mapping class group with or marked point
Pierre Lochak, Hiroaki Nakamura, Leila Schneps
The goal of this article is to prove that the Grothendieck-Teichmüller group acts on and ,the (full) profinite genus mapping c…
math.GT2020
Lissajous 3-braids
Eiko Kin, Hiroaki Nakamura, Hiroyuki Ogawa
We classify 3-braids arising from collision-free choreographic motions of 3 bodies on Lissajous plane curves, and present a parametrization in terms of levels and (Christoffel) slo…
math.GT2019
The automorphism groups of the profinite braid groups
Arata Minamide, Hiroaki Nakamura
In this paper we determine the automorphism groups of the profinite braid groups with four or more strings in terms of the profinite Grothendieck-Teichmüller group.