OAI/GroupTheory/PolycyclicRecognition/Algebra/CoordinateConjugation.lean
4 declarations, 0 contain sorry, 0 declared as axioms
Conjugation identities persist under coordinate limits
The exponential of the coordinate adjoint is the genuine logarithmic conjugation map. This identity is closed in the bracket parameter and will identify the columns of the limiting generator endpoint map.
- def
OAI.PolycyclicRecognition.ExponentialConjugationLawline 21Source documentation
The usual adjoint-exponential identity written entirely in fixed coordinates.
def ExponentialConjugationLaw (m : V → V → V) (B : V →L[ℝ] V →L[ℝ] V) : Prop := …
- theorem
OAI.PolycyclicRecognition.isClosed_exponentialConjugationLawline 26Source documentation
The logarithmic conjugation identity is a closed condition.
theorem isClosed_exponentialConjugationLaw {c : ℕ} (a : DynkinCoefficients c 2) : IsClosed {B : V →L[ℝ] V →L[ℝ] V | ExponentialConjugationLaw (dynkinProduct a B) B} := by …Mentions: OAI.PolycyclicRecognition.DynkinCoefficients, OAI.PolycyclicRecognition.ExponentialConjugationLaw, OAI.PolycyclicRecognition.dynkinProduct
- theorem
OAI.PolycyclicRecognition.basis_exp_adjointline 56Source documentation
Coordinate change intertwines actual adjoint exponentials.
theorem basis_exp_adjoint {n : ℕ} (b : Module.Basis (Fin n) ℝ L) (x y : L) (t : ℝ) : b.equivFun (NormedSpace.exp (t • continuousAd x) y) = NormedSpace.exp (t • basisBracket b (b.equivFun x)) (b.equivFun y) := by …Mentions: OAI.PolycyclicRecognition.continuousAd, OAI.PolycyclicRecognition.basisBracket
- theorem
OAI.PolycyclicRecognition.basis_exponentialConjugationLawline 73Source documentation
The representation-derived conjugation formula transports to every coordinate basis with the same binary Dynkin coefficients.
theorem basis_exponentialConjugationLaw {n c : ℕ} (b : Module.Basis (Fin n) ℝ L) (Exp : L → G) (hinj : Function.Injective Exp) (hneg : ∀ x, Exp (-x) = (Exp x)⁻¹) (a : DynkinCoefficients c 2) (hm : ∀ x y, Exp (finiteDynkinPolynomial a ![x, y]) = Exp x * Exp y) (j : L →ₗ⁅ℝ⁆ A) (ρ : G →* Aˣ) (hρ : Function.Injective ρ) (hmatch : ∀ x, ρ (Exp x) = algebraExpUnit (j x)) : ExponentialConjugationLaw (dynkinProduct a (basisBracket b)) (basisBracket b) := by …Mentions: OAI.PolycyclicRecognition.DynkinCoefficients, OAI.PolycyclicRecognition.finiteDynkinPolynomial, OAI.PolycyclicRecognition.algebraExpUnit, OAI.PolycyclicRecognition.ExponentialConjugationLaw, OAI.PolycyclicRecognition.dynkinProduct, OAI.PolycyclicRecognition.basisBracket