This summer school on high-dimensional expanders is the first event organized in the framework of the EOS-project "High-dimensional expanders and Kac–Moody–Steinberg groups". It consists of 7 short series of lectures by experts in the field and is meant to be accessible to a wide audience of both young and established researchers.
Topics: Ramanujan graphs and expander graphs; Bruhat–Tits buildings; Kazhdan's property (T); Hecke algebras; Lattices in p-adic groups; Ramanujan complexes and high-dimensional expanders; Applications