Liftable automorphisms of right-angled Artin groups

Sangrok Oh, Donggyun Seo, Philippe Tranchida

Given a regular covering map $\phi :\Lambda \to \Gamma$ of graphs, we investigate the subgroup $\mathrm{LAut}(\phi )$ of the automorphism group $\mathrm{Aut}(A_{\Gamma })$ of the right-angled Arti…