EntityQ2004951· pop 14· linked from 179 articlesCartan matrixSign in to savematrices named after Élie CartanConnectionsblock matrixEntityinvertible matrixEntityadjacency matrixEntityminorEntityorthogonal groupEntityunitary groupEntityroot systemEntityunimodular matrixEntityband matrixEntitydefinite matrixEntitymathematicsEntityphysicsEntitystatisticsEntityInternational Standard Book NumberEntityintegerEntityHenri PoincaréEntitymathematicianEntitydigital object identifierEntitymatrixEntitystring theoryEntityCategoriesLie algebrasMatrices (mathematics)Representation theory