2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/128668It is shown that the classification theorems for semisimple algebraic groups in characteristic zero can be derived quite simply and naturally from the corresponding theorems for Lie algebras by using a little of the theory of tensor categories. This article is extracted from Milne 2007.Representation TheoryAlgebraic Geometry20G15; 14L17text