2 papers
math.GR2019
Calculating the virtual cohomological dimension of the automorphism group of a RAAG
Matthew B. Day, Andrew W. Sale, Richard D. Wade
We describe an algorithm to find the virtual cohomological dimension of the automorphism group of a right-angled Artin group. The algorithm works in the relative setting; in partic…
math.GR2019
Commensurations of subgroups of
Camille Horbez, Richard D. Wade
A theorem of Farb and Handel asserts that for , the natural inclusion from into its abstract commensurator is an isomorphism. We give a new proof of the…