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LieAlgebra.IsKilling.coroot_neg
Modification history
2025-05-19 15:04
Mathlib/Algebra/Lie/Weights/Killing.lean
feat: define the `sl₂` Lie subalgebra associated to a root (#24995) …
Modified
LieAlgebra.IsKilling.coroot_neg
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2024-05-27 16:40
Mathlib/Algebra/Lie/Weights/Killing.lean
feat(Algebra/Lie/*): Add `Zero` and `Neg` instances for weights. (#13261)
Added
LieAlgebra.IsKilling.coroot_neg
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