Author:
Chatterji Indira,Hughes Sam,Kropholler Peter
Abstract
AbstractWe generalize results of Thomas, Allcock, Thom–Petersen, and Kar–Niblo to the first $\ell ^{2}$-Betti number of quotients of certain groups acting on trees by subgroups with free actions on the edge sets of the graphs.
Publisher
Cambridge University Press (CUP)