2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/66456This article concerns the equations of motion of perfect incompressible fluids in a 3-D, smooth, bounded, simply connected domain. We suppose that the curl of the initial velocity field is a vortex patch, and examine the classical problems of the existence of a solution, either locally or globally in time, and of the persistence of the initial regularity.34 pagesAnalysis of PDEstext