@article{10_2140_agt_2017_17_2825, author = {Ji, Feng and Ye, Shengkui}, title = {Vanishing of {L2{\textendash}Betti} numbers and failure of acylindrical hyperbolicity of matrix groups over rings}, journal = {Algebraic and Geometric Topology}, pages = {2825--2840}, publisher = {mathdoc}, volume = {17}, number = {5}, year = {2017}, doi = {10.2140/agt.2017.17.2825}, url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2017.17.2825/} }