2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/224758We prove a nilpotency theorem for the Bauer-Furuta stable homotopy Seiberg-Witten invariants for smooth closed 4-manifolds with trivial first Betti number.This is the version published by Geometry & Topology Monographs on 29 January 2007Algebraic Topology55P91, 57R57, 55P42, 57M50text