15 citations · 18 across the 3 of their papers we have counts for
1 paper · 2 filters
G. Brumfiel, H. Hilden, M. T. Lozano +5
The orbifold group of the Borromean rings with singular angle 90 degrees, U, is a universal group, because every closed oriented 3--manifold M3 occurs as a quotient space $M…