EntityQ78502771· pop 8· linked from 93 articlessimple Lie algebraSign in to saveLie algebra that is not Abelian and has no nonzero proper idealsConnectionsLie algebraEntityorthogonal groupEntityphysicsEntityInternational Standard Book NumberEntityHenri PoincaréEntitydigital object identifierEntityHermann WeylEntityOCLC, Inc.EntitySophus LieEntityidealEntityÉlie CartanEntityLie groupEntityrepresentation theoryEntityHarish-ChandraEntityPoincaré groupEntityWilhelm KillingEntityEncyclopedia of MathematicsEntityMathematical ReviewsEntitygeneral linear groupEntitydiffeomorphismEntityCategoriesLie algebras