OAI/Analysis/KadisonKastler/SeparableReduction.lean

GitHub source file

3 declarations, 0 contain sorry, 0 declared as axioms

Reduction of the universal theorem to separable Hilbert spaces

Local restrictions to separable reducing spaces give finite coefficient approximants and then a conjugacy on the original Hilbert space. The tolerance precedes every ambient space.

  1. def OAI.KadisonKastler.SeparableStrongStability line 32

    Source documentation

    The separable-Hilbert-space intermediate conclusion of §9.

    def SeparableStrongStability : Prop :=
    …
  2. theorem OAI.KadisonKastler.finiteCoefficientConjugations_of_separable_bound line 38
  3. theorem OAI.KadisonKastler.universalStrongStability_of_separable line 87

    Source documentation

    Stability on arbitrary Hilbert spaces follows from separable stability, Kaplansky density, multiplication correction, and commutant approximation.

    theorem universalStrongStability_of_separable
        (hsep : SeparableStrongStability.{u})
        (hK : PublishedKaplanskyDensity.{u})
        (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) :
        UniversalStrongStability.{u} := by
    …

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