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Dror Bar-Natan:
Talks:

# Some Feynman Diagrams in Algebra

### University of Sydney Algebra Seminar, October 2, 2019

**Abstract.** 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. Possibly in a later seminar I will explain how this
technology can be used to construct a tangle invariant whose need was
explained in a talk I gave in the topology
seminar on Sep 16.

**Handout:**
FDA.html,
FDA.pdf,
FDA.png.

**Talk Video**.

**Links:**
cm
hm
top

**Sources:** pensieve.