OAI/Analysis/FiniteFactor/CrossedProduct/CappedTransfer.lean

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2 declarations, 0 contain sorry, 0 declared as axioms

  1. theorem OAI.FiniteFactor.SourceOrderedTorusSampling.uniformAC line 16

    Source documentation

    Uniform absolute continuity of both actual ordered sampling marginals, derived from the previously proved L2 density bounds.

    theorem SourceOrderedTorusSampling.uniformAC {θ : SourceCoordinate → ℝ}
        (hθ : SourceOrderedTorusSampling θ) (I : Finset SourceCoordinate) (r : Bool)
        (ε : ℝ≥0) (hε : 0 < ε) :
        ∃ δ : ℝ≥0∞, 0 < δ ∧ ∀ A, MeasurableSet A → sourceTorusHaar A < δ → ∀ n,
          ((sourceSamplingTrimmedTorus I n θ : Measure SourceSamplingTorus).map
            (sourceTorusEndpoint r)) A ≤ ε := by
    …

    Mentions: OAI.FiniteFactor.SourceCoordinate, OAI.FiniteFactor.SourceOrderedTorusSampling, OAI.FiniteFactor.sourceTorusHaar, OAI.FiniteFactor.sourceSamplingTrimmedTorus, OAI.FiniteFactor.SourceSamplingTorus, OAI.FiniteFactor.sourceTorusEndpoint

  2. theorem OAI.FiniteFactor.sourceCappedPair_limit_transfer line 31

    Source documentation

    The actual capped projection equation passes to lambda_I on the original sampling torus. The approximant equations are the remaining orbit obligation; no continuity or measurable-selection premise is assumed.

    theorem sourceCappedPair_limit_transfer {θ : SourceCoordinate → ℝ}
        (hθ : SourceOrderedTorusSampling θ) (I : Finset SourceCoordinate)
        (H : SourceHilbert SourceCoordinate →L[ℂ] SourceHilbert SourceCoordinate)
        (hpair : ∀ n, ∀ᵐ z ∂(sourceSamplingTrimmedTorus I n θ : Measure SourceSamplingTorus),
          z ∈ sourceCappedPairZeroSet θ H) :
        ∀ᵐ z ∂(sourceSamplingLambdaTorus I : Measure SourceSamplingTorus),
          z ∈ sourceCappedPairZeroSet θ H := by
    …

    Mentions: OAI.FiniteFactor.SourceCoordinate, OAI.FiniteFactor.SourceOrderedTorusSampling, OAI.FiniteFactor.SourceHilbert, OAI.FiniteFactor.sourceSamplingTrimmedTorus, OAI.FiniteFactor.SourceSamplingTorus, OAI.FiniteFactor.sourceCappedPairZeroSet, OAI.FiniteFactor.sourceSamplingLambdaTorus