https://www.cimat.mx/wp-content/uploads/2021/04/transparent.png00Pérez Garmendia José Luis Ángelhttps://www.cimat.mx/wp-content/uploads/2021/04/transparent.pngPérez Garmendia José Luis Ángel2021-03-23 20:34:542021-03-23 22:02:43Affine processes on Rm x Rn and multiparameter time changes