Theorem RootPairing.coxeterWeight_zero_iff_isOrthogonal

Modification history

2025-04-09 10:11
Mathlib/LinearAlgebra/RootSystem/Defs.lean
feat(LinearAlgebra/RootSystem): Generalize RootPairing.pairing_zero_iff (#23833) …
Added RootPairing.coxeterWeight_zero_iff_isOrthogonalView on Github →
2025-03-20 17:27
Mathlib/LinearAlgebra/RootSystem/RootPositive.lean
feat: a reduced irreducible finite crystallographic root system has roots of at most two different lengths (#23007) …
Deleted RootPairing.coxeterWeight_zero_iff_isOrthogonalView on Github →
2025-02-04 09:36
Mathlib/LinearAlgebra/RootSystem/RootPositive.lean
feat: drop ordering assumption in `RootPairing.coxeterWeight_mem_set_of_isCrystallographic` (#21122) …
Modified RootPairing.coxeterWeight_zero_iff_isOrthogonalView on Github →
2024-07-30 02:04
Mathlib/LinearAlgebra/RootSystem/RootPositive.lean
feat (LinearAlgebra/RootSystem/RootPositive) : Root-positive bilinear forms (#15155) …
Added RootPairing.coxeterWeight_zero_iff_isOrthogonalView on Github →