367 citations · 1.6k across the 63 of their papers we have counts for
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math.GT2002★ 147 cited
What is a virtual link?
Greg Kuperberg
Several authors have recently studied virtual knots and links because they admit invariants arising from R-matrices. We prove that every virtual link is uniquely represented by a l…
math.GT2002★ 20 cited
The Second Hull of a Knotted Curve
Jason Cantarella, Greg Kuperberg, Rob Kusner +1
The convex hull of a set K in space consists of points which are, in a certain sense, "surrounded" by K. When K is a closed curve, we define its higher hulls, consisting of points…