# Online Talk: Matthew Sullivan

Monday, July 26, 3pm ET (8pm BST, 7am Tue NZST)
Matthew Sullivan, University of Waterloo
Rotation Systems and Simple Drawings of $K_n$

##### In this talk, we will briefly review a full characterization of realizable rotation systems, present a structural characterization of edges and faces in simple drawings of $K_n$ and see a combinatorial proof of a weak characterization of realizable rotation systems.

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