Quantum Topology / Hopf Algebra Seminar

Jonathan Schneider
UIC
Rourke's Torus-Spun Welded Knots
Abstract: For every classical knot (of any dimension) there is a 'torus spun' knot one dimension higher which can be described in two different ways: (1) Revolve the knot about an axis, or (2) Replace each point of the knot diagram with a circle in a copy of the plane. The extension of these methods to virtual or 'welded' knots in dimension one was Rourke's original motivation to study these objects. Following Rourke, we examine a possible extension to virtual knots in dimension two.
Tuesday September 23, 2014 at 3:00 PM in SEO 612
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