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On the sl2 Weight System and Intersection Graphs
by
Huan Vo
University of Toronto
Coauthors: Dror Bar-Natan
Given a chord diagram D, the value of the sl2 weight system on the primitive part of D is a polynomial in c, the Casimir element of sl2. It turns out that the coefficient of the highest power of c can be computed in terms of the intersection graph of D. This formula was first conjectured in a paper by Lando et al. In this talk, I will describe the formula, and if time permits, sketch a proof of it, which is a simple consequence of the Melvin- Morton-Rozansky conjecture.
Date received: March 17, 2016
Copyright © 2016 by the author(s). The author(s) of this work and the organizers of the conference have granted their consent to include this abstract in Topology Atlas. Document # cbmk-14.