%0 Journal Article %A Kang Li %A Piotr W. Nowak %A Ján Špakula %A Jiawen Zhang %T Quasi-local algebras and asymptotic expanders %J Groups, geometry, and dynamics %D 2021 %P 655-682 %V 15 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4171/ggd/610/ %R 10.4171/ggd/610 %F 10_4171_ggd_610