OAI/Analysis/KadisonKastler/ProbabilityOperatorAlgebra.lean

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Algebra membership of vectorwise probability averages

  1. theorem OAI.KadisonKastler.integrable_bounded_operator_vector line 17
  2. theorem OAI.KadisonKastler.probabilityOperatorIntegral_commutes line 26

    Source documentation

    Every fixed commutation relation passes to the actual vector integral.

    theorem probabilityOperatorIntegral_commutes (μ : Measure S) [IsProbabilityMeasure μ]
        (F : S → H →L[ℂ] H) (hm : ∀ x, AEStronglyMeasurable (fun s => F s x) μ)
        (C : ℝ) (hb : ∀ᵐ s ∂μ, ‖F s‖ ≤ C) (T : H →L[ℂ] H)
        (hT : ∀ᵐ s ∂μ, F s * T = T * F s) :
        probabilityOperatorIntegral μ F hm C hb * T =
          T * probabilityOperatorIntegral μ F hm C hb := by
    …

    Mentions: OAI.KadisonKastler.probabilityOperatorIntegral

  3. theorem OAI.KadisonKastler.probabilityOperatorIntegral_mem line 41

    Source documentation

    Von Neumann algebra membership is retained without any norm measurability hypothesis on the field.

    theorem probabilityOperatorIntegral_mem (μ : Measure S) [IsProbabilityMeasure μ]
        (F : S → H →L[ℂ] H) (hm : ∀ x, AEStronglyMeasurable (fun s => F s x) μ)
        (C : ℝ) (hb : ∀ᵐ s ∂μ, ‖F s‖ ≤ C) (M : VonNeumannAlgebra H)
        (hM : ∀ᵐ s ∂μ, F s ∈ M) : probabilityOperatorIntegral μ F hm C hb ∈ M := by
    …

    Mentions: OAI.KadisonKastler.probabilityOperatorIntegral