2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/173748In this paper the relationship between iterated tilted algebras and cluster-tilted algebras and relation-extensions is studied. In the Dynkin case, it is shown that the relationship is very strong and combinatorial.27 pages, 11 figuresRepresentation Theory16G20; 16G70; 18E30text