2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/218772We compute the infinitesimal deformations of two families of restricted simple modular Lie algebras of Cartan type: the Witt-Jacobson and the Special Lie algebras.27 pages, title slightly changed, references updated, typos corrected, final version to appear on J. AlgebraRings and Algebras17B20; 17B50; 17B56Infinitesimal deformations of restricted simple Lie algebras Itext