Event time:

Thursday, October 24, 2019 - 3:00pm

Location:

AKW 000

Speaker:

Sean O'Rourke

Speaker affiliation:

University of Colorado, Boulder

Event description:

Abstract: We consider the sum of independent random polynomials as their degrees tend to infinity. Namely, let $p$ and $q$ be two independent random polynomials of degree $n$, whose roots are chosen independently in the complex plane. We compute the limiting distribution for the zeros of the sum $p+q$ as $n$ tends to infinity by analyzing its logarithmic potential. We will also discuss a generalization for more than two polynomials. These results can be viewed as describing a version of the free additive convolution from free probability theory for zeros of polynomials. The talk is based on joint work with Tulasi Ram Reddy.