Strict 2-Groups are Crossed Modules

2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/209874The 2-categories of strict 2-groups and crossed modules are introduced and their 2-equivalence is made explicit.18 pages, xy-pic diagramsCategory Theory18D05Strict 2-Groups are Crossed Modulestext