Theorem LieDerivation.IsKilling.killingForm_restrict_range_ad_nondegenerate

Modification history

2024-09-24 21:52
Mathlib/Algebra/Lie/Derivation/Killing.lean
chore(Algebra.Lie): do not always coerce a `LieSubmodule` to a `Submodule` to get a type (#16509) …
Modified LieDerivation.IsKilling.killingForm_restrict_range_ad_nondegenerateView on Github →
2024-05-15 09:43
Mathlib/Algebra/Lie/Derivation/Killing.lean
feat: Cartan subalgebras contain only semisimple elements if the Killing form is non-singular and the coefficients are a perfect field. (#12712) …
Added LieDerivation.IsKilling.killingForm_restrict_range_ad_nondegenerateView on Github →