2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/65481Let g be a complex simple Lie algebra and b a fixed Borel subalgebra of g. We shall describe the abelian ideals of b in a uniform way, that is, independent of the classification of complex simple Lie algebras.43 pages, LaTeX2e, youngtab.styRepresentation TheoryCombinatorics17B20; 20F55Abelian ideals in a Borel subalgebra of a complex simple Lie algebratext