Lie Algebras ============ .. toctree:: :maxdepth: 2 sage/algebras/lie_algebras/abelian sage/algebras/lie_algebras/affine_lie_algebra sage/algebras/lie_algebras/bch sage/algebras/lie_algebras/classical_lie_algebra sage/algebras/lie_algebras/examples sage/algebras/lie_algebras/free_lie_algebra sage/algebras/lie_algebras/heisenberg sage/algebras/lie_algebras/lie_algebra sage/algebras/lie_algebras/lie_algebra_element sage/algebras/lie_algebras/morphism sage/algebras/lie_algebras/nilpotent_lie_algebra sage/algebras/lie_algebras/onsager sage/algebras/lie_algebras/poincare_birkhoff_witt sage/algebras/lie_algebras/quotient sage/algebras/lie_algebras/rank_two_heisenberg_virasoro sage/algebras/lie_algebras/structure_coefficients sage/algebras/lie_algebras/subalgebra sage/algebras/lie_algebras/symplectic_derivation sage/algebras/lie_algebras/verma_module sage/algebras/lie_algebras/virasoro