##### Department of Mathematics,

University of California San Diego

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### RTG Grad Colloquium

## Srivatsa Srinivas

#### UC San Diego

## Expanders: Introduction and Applications

##### Abstract:

An expander graph is a type of graph that is sparse yet highly-connected. They have found uses in many subjects including computer science, topology, algebra, number theory and algebraic geometry. We will talk about the basics of expander graphs and how they can be used to give quantitative versions of algebraic statements regarding interesting groups

### October 20, 2020

### 5:00 PM

### Email fmcglade@ucsd.edu for zoom info

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