OAI/GroupTheory/PolycyclicRecognition/Algebra/CoordinateConjugation.lean

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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.

  1. def OAI.PolycyclicRecognition.ExponentialConjugationLaw line 21

    Source 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 :=
    …
  2. theorem OAI.PolycyclicRecognition.isClosed_exponentialConjugationLaw line 26

    Source 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

  3. theorem OAI.PolycyclicRecognition.basis_exp_adjoint line 56

    Source 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

  4. theorem OAI.PolycyclicRecognition.basis_exponentialConjugationLaw line 73

    Source 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