OAI/Analysis/FiniteFactor/BiasedPairs/PairIdentity.lean

GitHub source file

4 declarations, 0 contain sorry, 0 declared as axioms

  1. theorem OAI.FiniteFactor.sourceProjection_biased_prefix_pairs line 11
  2. theorem OAI.FiniteFactor.sourceProjection_biased_pairs line 29

    Source documentation

    Weak transfer to the actual full biased law. Uniform absolute continuity and the common compact zero sets have all been proved for these actual laws.

    theorem sourceProjection_biased_pairs (θ : SourceCoordinate → ℝ) (hθ : SourceAngles θ)
        (hs : SourceOrderedTorusSampling θ)
        {p : SourceHilbert SourceCoordinate →L[ℂ] SourceHilbert SourceCoordinate}
        (hp : p ∈ sourceAlgebra θ) (hproj : IsStarProjection p)
        (hinv : (1-p)*sourceOperator θ sourceLogWeight hθ.nonneg sourceLogWeight_nonneg*p = 0)
        (j : ℕ) :
        ∀ᵐ z ∂(sourceBiasedTorusMeasure j (fun _ => true) : Measure SourceSamplingTorus),
          z ∈ sourceCappedPairZeroSet θ p := by
    …

    Mentions: OAI.FiniteFactor.SourceCoordinate, OAI.FiniteFactor.SourceAngles, OAI.FiniteFactor.SourceOrderedTorusSampling, OAI.FiniteFactor.SourceHilbert, OAI.FiniteFactor.sourceAlgebra, OAI.FiniteFactor.sourceOperator, OAI.FiniteFactor.sourceLogWeight, OAI.FiniteFactor.sourceLogWeight_nonneg, OAI.FiniteFactor.sourceBiasedTorusMeasure, OAI.FiniteFactor.SourceSamplingTorus, OAI.FiniteFactor.sourceCappedPairZeroSet

  3. theorem OAI.FiniteFactor.sourceBiased_endpoints_finiteFloor line 60

    Source documentation

    Both endpoints of every actual biased law have finite floor support.

    theorem sourceBiased_endpoints_finiteFloor (θ : SourceCoordinate → ℝ) (hθ : SourceAngles θ)
        (j : ℕ) :
        ∀ᵐ z ∂(sourceBiasedTorusMeasure j (fun _ => true) : Measure SourceSamplingTorus),
          finiteFloorSupport θ (sourceTorusRepresentative z.1) ∧
          finiteFloorSupport θ (sourceTorusRepresentative z.2) := by
    …

    Mentions: OAI.FiniteFactor.SourceCoordinate, OAI.FiniteFactor.SourceAngles, OAI.FiniteFactor.sourceBiasedTorusMeasure, OAI.FiniteFactor.SourceSamplingTorus, OAI.FiniteFactor.finiteFloorSupport, OAI.FiniteFactor.sourceTorusRepresentative

  4. theorem OAI.FiniteFactor.sourceProjection_biased_ratio_identity line 71

    Source documentation

    The full uncapped invariant-projection identity under the constructed nu_j. The bounded diagonal acts by the original cocycle ratio on every l2 vector.

    theorem sourceProjection_biased_ratio_identity (θ : SourceCoordinate → ℝ) (hθ : SourceAngles θ)
        (hs : SourceOrderedTorusSampling θ)
        {p : SourceHilbert SourceCoordinate →L[ℂ] SourceHilbert SourceCoordinate}
        (hp : p ∈ sourceAlgebra θ) (hproj : IsStarProjection p)
        (hinv : (1-p)*sourceOperator θ sourceLogWeight hθ.nonneg sourceLogWeight_nonneg*p = 0)
        (j : ℕ) :
        ∀ᵐ z ∂(sourceBiasedTorusMeasure j (fun _ => true) : Measure SourceSamplingTorus),
          ∃ D : SourceFiberHilbert →L[ℂ] SourceFiberHilbert,
            ‖D‖ ≤ 1 ∧
            (∀ (v : SourceFiberHilbert) (k : ℤ), D v k =
              (sourceCocycle θ sourceLogWeight k (sourceTorusRepresentative z.2) /
                sourceCocycle θ sourceLogWeight k (sourceTorusRepresentative z.1) : ℂ) * v k) ∧
    …

    Mentions: OAI.FiniteFactor.SourceCoordinate, OAI.FiniteFactor.SourceAngles, OAI.FiniteFactor.SourceOrderedTorusSampling, OAI.FiniteFactor.SourceHilbert, OAI.FiniteFactor.sourceAlgebra, OAI.FiniteFactor.sourceOperator, OAI.FiniteFactor.sourceLogWeight, OAI.FiniteFactor.sourceLogWeight_nonneg, OAI.FiniteFactor.sourceBiasedTorusMeasure, OAI.FiniteFactor.SourceSamplingTorus, OAI.FiniteFactor.SourceFiberHilbert, OAI.FiniteFactor.sourceCocycle, OAI.FiniteFactor.sourceTorusRepresentative