WoG 2024 Talk 6.3: Maya Verma - Leighton’s Property of $X_{m,n}$

Описание к видео WoG 2024 Talk 6.3: Maya Verma - Leighton’s Property of $X_{m,n}$

Speaker: Maya Verma
Institution: The University of Oklahoma
Website: https://sites.google.com/view/maya-ve...

Title: Leighton’s Property of $X_{m,n}$
Abstract: In 1982, Leighton proved that any two finite graphs with a common cover admits a finite sheeted common cover. In this talk, I will introduce the combinatorial model $X_{m,n}$ for Baumslag-Solitar group BS(m,n), and classify for which pairs of integers $(m,n)$ the Leighton’s theorem can be extended to the orbit space of covering actions on $X_{m,n}$.

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