OAI/GroupTheory/PolycyclicRecognition/Analysis/NilpotentHaarSymmetry.lean
2 declarations, 0 contain sorry, 0 declared as axioms
Inversion and right invariance of any nilpotent Haar normalization
- theorem
OAI.PolycyclicRecognition.nilpotent_haar_isInvInvariantline 20Source documentation
Negation in exponential coordinates and uniqueness of Haar measure prove inversion invariance for every Haar normalization.
theorem nilpotent_haar_isInvInvariant (haar : NilpotentExponentialHaarInput E G) (Exp : GroupLieAlgebra (𝓘(ℝ, E)) G → G) (hExp : IsGroupExponential Exp) (hnil : LieRing.IsNilpotent (GroupLieAlgebra (𝓘(ℝ, E)) G)) (μ : Measure G) [μ.IsHaarMeasure] : μ.IsInvInvariant := by …Mentions: OAI.PolycyclicRecognition.NilpotentExponentialHaarInput
- theorem
OAI.PolycyclicRecognition.nilpotent_haar_isMulRightInvariantline 53Source documentation
Inversion changes left Haar invariance into right invariance.
theorem nilpotent_haar_isMulRightInvariant (haar : NilpotentExponentialHaarInput E G) (Exp : GroupLieAlgebra (𝓘(ℝ, E)) G → G) (hExp : IsGroupExponential Exp) (hnil : LieRing.IsNilpotent (GroupLieAlgebra (𝓘(ℝ, E)) G)) (μ : Measure G) [μ.IsHaarMeasure] : μ.IsMulRightInvariant := by …Mentions: OAI.PolycyclicRecognition.NilpotentExponentialHaarInput