OAI/Analysis/KadisonKastler/UniversalStability.lean

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Universal strong stability from perturbation and decomposition theorems

The factor case split and central decomposition extend the fixed-factor perturbation estimates to arbitrary representations.

  1. structure OAI.KadisonKastler.UniversalStabilityPublishedInputs line 29

    Source documentation

    Perturbation and decomposition hypotheses for universal strong stability, including type I injectivity, infinite-factor projection structure, central decomposition, and Dixmier averaging.

    structure UniversalStabilityPublishedInputs : Prop extends FixedFactorPublishedInputs.{u} where
    …
  2. theorem OAI.KadisonKastler.uniform_factor_strong_stability_of_published line 40

    Source documentation

    The factor conclusion follows from the constructed properly infinite case and the type I/finite case split.

    theorem uniform_factor_strong_stability_of_published
        (h : UniversalStabilityPublishedInputs.{u}) : UniformFactorStability.{u} :=
    …
  3. theorem OAI.KadisonKastler.universal_strong_stability_of_published line 49

    Source documentation

    Universal strong Kadison--Kastler stability, with its tolerance chosen before all Hilbert spaces and represented von Neumann algebras, under the perturbation and decomposition hypotheses.

    theorem universal_strong_stability_of_published
        (h : UniversalStabilityPublishedInputs.{u}) : UniversalStrongStability.{u} :=
    …