OAI/Analysis/KadisonKastler/CommonCenterFromFactors.lean

GitHub source file

3 declarations, 0 contain sorry, 0 declared as axioms

The common-center reduction to the uniform factor theorem

Uniform stability of factors passes to algebras with a common center by constructing nearby separable test algebras, bounding their fibers, and assembling the factor implementers.

  1. def OAI.KadisonKastler.UniformFactorStability line 32

    Source documentation

    Factor stability with a tolerance independent of the represented factors. Zero-dimensional representations are allowed.

    def UniformFactorStability : Prop :=
    …
  2. theorem OAI.KadisonKastler.commonCenterSeparableStability_of_factors line 38
  3. theorem OAI.KadisonKastler.universalStrongStability_of_factors line 100

    Source documentation

    Uniform factor stability, central decomposition and the perturbation properties give strong stability on arbitrary representations.

    theorem universalStrongStability_of_factors
        (hFactor : UniformFactorStability.{u})
        (hCentral : PublishedCentralPairDecomposition.{u})
        (hK : PublishedKaplanskyDensity.{u})
        (hSelect : PublishedUnitaryBorelSelection.{u, u})
        (hDix : ∀ (H : Type u) [NormedAddCommGroup H] [InnerProductSpace ℂ H]
          [CompleteSpace H], ∀ M : VonNeumannAlgebra H, PublishedDixmierAveraging M)
        (hCorrection : ∀ (H : Type u) [NormedAddCommGroup H] [InnerProductSpace ℂ H]
          [CompleteSpace H], ∀ M : VonNeumannAlgebra H, PublishedMultiplicationCorrection M)
        (hCommutant : ∀ (H : Type u) [NormedAddCommGroup H] [InnerProductSpace ℂ H]
          [CompleteSpace H], ∀ M : VonNeumannAlgebra H,
            PublishedBlockCommutantApproximation (Algebra M) H) :
    …

    Mentions: OAI.KadisonKastler.PublishedDixmierAveraging, OAI.KadisonKastler.PublishedMultiplicationCorrection, OAI.KadisonKastler.PublishedBlockCommutantApproximation, OAI.KadisonKastler.Algebra