Spectral Aspects of Expander GraphsMPIM

by Andrew Ng (Universität Bonn)

Tuesday Jun 30, 2026, 4:30 PM → 5:30 PM Europe/Berlin

MPIM, Vivatsgasse, 7 - Seminar Room (Max Planck Institute for Mathematics)

Reading Group on Spectral Geometry

This talk will introduce expander families and the combinatorial Laplacian, emphasizing the role of spectral gaps in measuring expansion. It will then discuss how group-theoretic constructions provide natural families of graphs with uniform spectral gaps.