cartan_subalgebra): characterise Cartan subalgebras as limiting values of upper central series (#14179)

Commit

3 years ago

feat(algebra/lie/cartan_subalgebra): characterise Cartan subalgebras as limiting values of upper central series (#14179) The main result is `lie_subalgebra.is_cartan_subalgebra_iff_is_ucs_limit`.

Author

ocfnash

Parents

e82fbd32

mathlib 691c0035 - feat(algebra/lie/cartan_subalgebra): characterise Cartan subalgebras as limiting values of upper central series (#14179)

mathlib
691c0035 - feat(algebra/lie/cartan_subalgebra): characterise Cartan subalgebras as limiting values of upper central series (#14179)