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Some Feynman diagrams in pure algebra

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Speaker: 
Dror Bar-Natan
Affiliation: 
University of Toronto
Date: 
Mon, 2020-01-20 16:30 - 17:30
Location: 
MPIM Lecture Hall
Parent event: 
MPIM Topology Seminar

I will explain how the computation of compositions of maps of a certain natural class, from one polynomial ring into another, naturally leads to a certain composition operation of quadratics and to Feynman diagrams. I will also explain, with very little detail, how this is used in the construction of some very well-behaved poly-time computable knot polynomials.

Joint work with Roland van der Veen.

See also: http://www.math.toronto.edu/~drorbn/Talks/Bonn-200120/

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