Theorem RootPairing.GeckConstruction.cartanSubalgebra_le_lieAlgebra

Modification history

2025-08-20 19:33
Mathlib/LinearAlgebra/RootSystem/GeckConstruction/Basic.lean
feat: the Geck construction yields (finite-dimensional) semisimple Lie algebras (#27237) …
Modified RootPairing.GeckConstruction.cartanSubalgebra_le_lieAlgebraView on Github →
2025-07-08 00:25
Mathlib/LinearAlgebra/RootSystem/GeckConstruction/Basic.lean
feat: add lemma 3.5 from [Geck](https://dx.doi.org/10.1090/proc/13600) (#26592) …
Modified RootPairing.GeckConstruction.cartanSubalgebra_le_lieAlgebraView on Github →
2025-06-02 15:20
Mathlib/LinearAlgebra/RootSystem/GeckConstruction.lean
feat: implement Geck's construction of a Lie algebra associated to a root system with distinguished base (#25285)
Added RootPairing.GeckConstruction.cartanSubalgebra_le_lieAlgebraView on Github →