2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/125493Nous rappelons l'historique de la demonstration de la conjecture des fibres de Seifert, ainsi que ses motivations et ses diverses generalisations. ----- We recall the history of the proof of the Seibert fiber space conjecture, as well as its motivations and diverse generalizations.8 pages, in frenchAlgebraic TopologyGroup Theory57N10; 57M05; 55R65text