Extending Leighton's Graph Covering Theorem

11 November 2020
10:00
Sam Shepherd
Abstract

Leighton's Theorem states that if two finite graphs have a common universal cover then they have a common finite cover. I will explore various ways in which this result can and can't be extended.

The join button will be published on the right (Above the view all button) 30 minutes before the seminar starts (login required).

  • Junior Topology and Group Theory Seminar