2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/164022We study the algebraic structure of the automorphism group of a general right-angled Artin group. We show that this group is virtually torsion-free and has finite virtual cohomological dimension. This generalizes results proved by the authors and John Crisp (arXiv:math/0610980) for two-dimensional right-angled Artin groups.9 pagesGroup Theory20F36text