2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/65552We give a brief survey of abelian torsions of 3-manifolds.Published by Geometry and Topology Monographs at http://www.maths.warwick.ac.uk/gt/GTMon4/paper19.abs.htmlGeometric TopologyAlgebraic Topology57M27, 57Q10text