15 citations · 18 across the 3 of their papers we have counts for
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math.GT2007
On finite index subgroups of a universal group
G. Brumfiel, H. Hilden, M. T. Lozano +5
The orbifold group of the Borromean rings with singular angle 90 degrees, , is a universal group, because every closed oriented 3--manifold occurs as a quotient space $M…
math.GR2007★ 3 cited
Subgroups of direct products of limit groups
Martin R Bridson, James Howie, Charles F Miller +1
If are limit groups and is of type $\FP_n(\mathbb Q)$ then contains a subgroup of finite index that is itself a direct product o…