OAI/Analysis/KadisonKastler/ModularPairingComplexification.lean

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7 declarations, 0 contain sorry, 0 declared as axioms

Complexifying the modular Radon--Nikodym equation

The real equation on self-adjoint tests determines a complex-linear identity on all algebra elements. This is the identity used to identify the bounded Tomita resolvent.

  1. def OAI.KadisonKastler.rightVectorPairing line 20
  2. def OAI.KadisonKastler.leftVectorPairing line 23
  3. theorem OAI.KadisonKastler.rightVectorPairing_star line 26
  4. theorem OAI.KadisonKastler.leftVectorPairing_star line 32
  5. theorem OAI.KadisonKastler.rightVectorPairing_selfAdjoint line 37
  6. theorem OAI.KadisonKastler.leftVectorPairing_commutant line 46
  7. theorem OAI.KadisonKastler.modular_pairing_complex line 58

    Source documentation

    The real pairing equation determines the full complex identity.

    theorem modular_pairing_complex (Ω : H) (b : H →L[ℂ] H)
        (hb : b ∈ M.commutant) (hbs : IsSelfAdjoint b)
        (z : ℂ) (x : Algebra M)
        (hpair : ∀ a : selfAdjoint (Algebra M),
          (inner ℂ (a.val.val Ω) (b Ω)).re =
            (z * inner ℂ (a.val.val Ω) (x.val Ω)).re) :
        ∀ a : Algebra M,
          2 * inner ℂ Ω (a.val (b Ω)) =
            z * inner ℂ Ω (a.val (x.val Ω)) +
              star z * inner ℂ (x.val Ω) (a.val Ω) := by
    …

    Mentions: OAI.KadisonKastler.Algebra