OAI/Analysis/FiniteFactor/CrossedProduct/OperatorField.lean

GitHub source file

10 declarations, 0 contain sorry, 0 declared as axioms

  1. def OAI.FiniteFactor.sourceMatrixGood line 12
  2. def OAI.FiniteFactor.sourceFieldGoodSet line 19

    Source documentation

    A Borel good set, removing just one null set for algebra elements.

    def sourceFieldGoodSet
        (H : SourceHilbert SourceCoordinate →L[ℂ] SourceHilbert SourceCoordinate) :
        Set (SourceCoordinate → ℝ) :=
    …

    Mentions: OAI.FiniteFactor.SourceHilbert, OAI.FiniteFactor.SourceCoordinate

  3. theorem OAI.FiniteFactor.sourceFieldGoodSet_measurable line 24
  4. theorem OAI.FiniteFactor.sourceFieldGoodSet_good line 28
  5. theorem OAI.FiniteFactor.sourceFieldGoodSet_ae line 34
  6. def OAI.FiniteFactor.sourceOperatorField line 42

    Source documentation

    The actual bounded operator field, extended by zero on a Borel null set.

    def sourceOperatorField
        (H : SourceHilbert SourceCoordinate →L[ℂ] SourceHilbert SourceCoordinate)
        (x : SourceCoordinate → ℝ) : SourceFiberHilbert →L[ℂ] SourceFiberHilbert := by
    …

    Mentions: OAI.FiniteFactor.SourceHilbert, OAI.FiniteFactor.SourceCoordinate, OAI.FiniteFactor.SourceFiberHilbert

  7. theorem OAI.FiniteFactor.sourceOperatorField_norm line 51
  8. theorem OAI.FiniteFactor.sourceOperatorField_entry line 60
  9. theorem OAI.FiniteFactor.sourceOperatorField_entry_measurable line 71
  10. theorem OAI.FiniteFactor.sourceOperatorField_entries_ae line 78

    Source documentation

    Field entries recover the original coefficients on one conull set.

    theorem sourceOperatorField_entries_ae (θ : SourceCoordinate → ℝ)
        {H : SourceHilbert SourceCoordinate →L[ℂ] SourceHilbert SourceCoordinate}
        (hH : H ∈ sourceAlgebra θ) :
        ∀ᵐ x ∂sourceBaseMeasure, ∀ k n : ℤ,
          (sourceOperatorField H x (lp.single 2 n (1 : ℂ))) k = sourceMatrixEntry H k n x := by
    …

    Mentions: OAI.FiniteFactor.SourceCoordinate, OAI.FiniteFactor.SourceHilbert, OAI.FiniteFactor.sourceAlgebra, OAI.FiniteFactor.sourceBaseMeasure, OAI.FiniteFactor.sourceOperatorField, OAI.FiniteFactor.sourceMatrixEntry