2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/76704The aim of this paper is to find all algebraic threefolds admitting quasi-regular Poisson structure. There are three types of such varieties: abelian varieties, smooth flat conic bundles over abelian surfaces and quotients of the product of a curve and a symplectic surface by a finite group.In french, 14 pages, LatexAlgebraic Geometrytext