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Congruence subgroups of braid groups and crystallographic quotients. Part II (2404.05804v1)
Published 8 Apr 2024 in math.GR and math.GT
Abstract: Following previous work on congruence subgroups and crystallographic braid groups, we study the lower central series of congruence braid groups related to the braid group $B_3$, showing in particular that corresponding quotients are almost crystallographic.
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