2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/78238We show that in the aleph_2-stage countable support iteration of Mathias forcing over a model of CH the complete Boolean algebra generated by absolutely divergent series under eventual dominance is not isomorphic to the completion of P(omega)/fin. This complements Vojtas' result, that under cf(c)=p the two algebras are isomorphicLogic03E05, 03E35, 06G05, 40A05text