Joel Kamnitzer, University of Toronto

Title: Cactus groups and monodromy.

Abstract: The cactus group is a cousin of the braid group and shares many of its beautiful properties.  It is the fundamental group of the moduli space of points on RP^1.  It also acts on many collections of combinatorial objects.  I will explain how we use the cactus group to understand monodromy of eigenvectors for Gaudin algebras.

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