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Distinguished Tutte Lecture - Jordan EllenbergExport this event to calendar

Friday, November 20, 2020 — 3:30 PM EST

Jordan Ellenberg Headshot

Title: Beyond rank

Speaker: Jordan Ellenberg
Affiliation: University of Wisconsin
Zoom: Please email Emma Watson

Abstract:

The notion of the rank of a matrix is one of the most fundamental in linear algebra. The analogues of this notion in multilinear algebra — e.g., what is the “rank” of an m x n x p array of numbers? — is much more mysterious, but it also has proven to be useful in a wide array of contexts. I will talk about some questions and answers in “higher rank” coming from complexity theory, data science, geometric combinatorics, additive number theory, and commutative algebra.

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