2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/124809We show that a connected split reductive group G over a field of characteristic 0 is uniquely determined up to isomorphism by specifying a maximal torus T of G, the set of isomorphism classes of irreducible representations of G, and the character homomorphism from the Grothendieck ring of G to that of T.11 pages, LaTeXRepresentation TheoryAlgebraic GeometryCombinatorics20G15 (20G05 17B10)text