2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/61061Using ODE-methods and trapping regions derived by Mattingly and Sinai we give a new proof of the existence and uniqueness of solutions to Navier-Stokes equations with periodic boundary conditions on the plane.22 pagesAnalysis of PDEsDynamical Systems35Q30, 76D03, 34G20Trapping regions and an ODE-type proof of the existence and uniqueness theorem for Navier-Stokes equations with periodic boundary conditions on the planetext