Colloquium

Dror Bar-Natan, University of Toronto

"Cars, Interchanges, Traffic Counters, and some Pretty Darned Good Knot Invariants"

Reporting on joint work with Roland van der Veen, I'll tell you some stories about ρ1, an easy to define, strong, fast to compute, homomorphic, and well-connected knot invariant. ρ1 was first studied by Rozansky and Overbay, it is dominated by the coloured Jones polynomial (but it isn't lesser!), it has far-reaching generalizations, and I wish I understood it. Further information can be found at this link: http://drorbn.net/wat23

MC 5501