2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/157407Given an algebraic stack with quasiaffine diagonal, we show that each G_m-gerbe comes from a central separable algebra. In other words, Taylor's bigger Brauer group equals the etale cohomology in degree two with coefficients in G_m. This gives new results also for schemes. We use the method of twisted sheaves explored by de Jong and Lieblich.12 pagesAlgebraic Geometry14A20, 14F22text