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Student Combinatorics Seminar

Parametrizing triangulations: the associahedron and the secondary polytope
Monday, October 11, 2021
4:00-5:00 PM
3866 East Hall Map
The associahedron is a polytope whose vertices correspond to subdivisions of a polygon into triangles by its diagonals, and whose higher-dimensional faces correspond to coarser subdivisions. (Bijectively, we can say that its vertices correspond to ways of parenthesizing a product of several terms, and its edges correspond to applications of the associative rule, hence its name.) In this talk, we will sketch one of many ways to construct the associahedron, by way of a far more general method for parametrizing well-behaved subdivisions of any polytope. Speaker(s): Will Dana
Building: East Hall
Event Type: Workshop / Seminar
Tags: Mathematics
Source: Happening @ Michigan from Department of Mathematics