Girth of random Cayley graphs
- đ¤ Speaker: Peter Varju (University of Cambridge)
- đ Date & Time: Friday 25 November 2016, 13:45 - 15:00
- đ Venue: CMS, MR13
Abstract
I will discuss some estimates for the girth of Cayley graphs with respect to randomly chosen generators. I will talk about a problem motivated by a question asked by Henry Wilton on the construction of certain expander graphs. Then time permitting, I will talk about older results from a paper of Gamburd, Hoory, Shahshahani, Shalev and Virag.
Series This talk is part of the Geometric Group Theory (GGT) Seminar series.
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Friday 25 November 2016, 13:45-15:00