Gábor Kun: Graphings that are not local-global limits of finite graphs

Speaker: Gábor Kun

Title: Graphings that are not local-global limits of finite graphs

Abstract: We study the sofic approximations of Kazhdan groups. We show that a  quite wide class of graphings arising from group actions is not the local-global limit (or the action limit) of finite graphs. Joint work with Andreas Thom.