2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/72640It is shown that every commutative arithmetic ring $R$ has $lambda$-dimension $ leq 3$. An example of a commutative Kaplansky ring with $ lambda$-dimension 3 is given. If $R$ satisfies an additional condition then $ lambda$-dim($R$)Rings and Algebrastext