1 citations · 1 across the 2 of their papers we have counts for
2 papers
math.AT2012★ 1 cited
A new representation of Links: Butterflies
H. M. Hilden, J. M. Montesinos, D. M. Tejada +1
With the idea of an eventual classification of 3-bridge links,\ we define a very nice class of 3-balls (called butterflies) with faces identified by pairs, such that the identifica…
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…