Ramanujan Complexes and Bounded Degree Topological Expanders. - Tali Kaufman; David Kazhdan; Alexander Lubotzky (FOCS, 2014)

Isoperimetric Inequalities for Ramanujan Complexes and Topological Expanders. - Tali Kaufman; David Kazhdan; Alexander Lubotzky (CoRR, 2014)