Theorem RootPairing.Base.cartanMatrix_eq_neg_chainTopCoeff

Modification history

2025-07-17 18:28
Mathlib/LinearAlgebra/RootSystem/CartanMatrix.lean
feat: add root system induction principle equivalent to connectedness of Dynkin diagram (#26965) …
Modified RootPairing.Base.cartanMatrix_eq_neg_chainTopCoeffView on Github →
2025-07-08 00:25
Mathlib/LinearAlgebra/RootSystem/CartanMatrix.lean
feat: add lemma 3.5 from [Geck](https://dx.doi.org/10.1090/proc/13600) (#26592) …
Added RootPairing.Base.cartanMatrix_eq_neg_chainTopCoeffView on Github →