Complex simple Lie algebras = A_n, B_n, C_n, D_n, G_2, F_4, E_6, E_7, E_8. Classified by Dynkin diagrams; root systems. Killing 1890, Cartan 1894.
Complex simple Lie algebras = A_n, B_n, C_n, D_n, G_2, F_4, E_6, E_7, E_8. Classified by Dynkin diagrams; root systems. Killing 1890, Cartan 1894.