# Special Year Learning Seminar

## Ultafilters, Dynamics, and Number Theory

We will survey general definitions and facts about ultrafilters, and how the algebraic operations on the integers extend to the space of ultrafilters. We will also discuss some applications in combinatorial number theory and ergodic theory.

### Date & Time

November 30, 2022 | 10:30am – 12:00pm

### Location

Simonyi 101 and Remote Access### Speakers

### Speaker Affiliation

Northwestern University, Member, School of Mathematics