2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/63654We introduce the notion of amenability for affine algebras. We characterize amenability by Folner-sequences, paradoxicality and the existence of finitely invariant dimension-measures. Then we extend the results of Rowen on ranks, from affine algebras of subexponential growth to amenable affine algebras.Rings and Algebras43A07text