TY - JOUR AU - Kang Li AU - Piotr W. Nowak AU - Ján Špakula AU - Jiawen Zhang TI - Quasi-local algebras and asymptotic expanders JO - Groups, geometry, and dynamics PY - 2021 SP - 655 EP - 682 VL - 15 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4171/ggd/610/ DO - 10.4171/ggd/610 ID - 10_4171_ggd_610 ER -