Vassiliev invariants as polynomials Simon Willerton — 1998 Banach Center Publications Three results are shown which demonstrate how Vassiliev invariants behave like polynomials.
An almost-integral universal Vassiliev invariant of knots. Willerton, Simon — 2002 Algebraic & Geometric Topology
The Mukai pairing. I: A categorical approach. Căldăraru, Andrei; Willerton, Simon — 2010 The New York Journal of Mathematics [electronic only]
Gerbes and homotopy quantum field theories. Bunke, Ulrich; Turner, Paul; Willerton, Simon — 2004 Algebraic & Geometric Topology