2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/79935Dynamics of hydrogen atom driven by microwave field of arbitrary polarization is approximated by the discrete mapping. The map describes the change of dynamical variables from an aphelion or a perihelion to the next one. The results are compared with numerical simulation and previous approximations.LaTeX 12 pages, 7 figures included, published versionChaotic Dynamicstext