OAI/Analysis/FiniteFactor/OrbitSampling/LambdaRectangles.lean

GitHub source file

5 declarations, 0 contain sorry, 0 declared as axioms

  1. def OAI.FiniteFactor.sourceSamplingLambdaTest line 10
  2. theorem OAI.FiniteFactor.sourceSamplingLambdaTest_measurable line 15
  3. theorem OAI.FiniteFactor.sourceSamplingLambdaTest_iff line 26

    Source documentation

    The finite coordinate conditions are equivalent to restriction by the triangle and the full cylinder rectangle on the conull Haar cube.

    theorem sourceSamplingLambdaTest_iff (I : Finset SourceCoordinate) (T : SourceSamplingRationalTest)
        (p : SourceCoordinate → ℝ × ℝ)
        (hp : ∀ i, (p i).1 ∈ Set.Ico (0 : ℝ) 1 ∧ (p i).2 ∈ Set.Ico (0 : ℝ) 1) :
        (∀ i ∈ I ∪ T.1, sourceSamplingLambdaTest I T i (p i)) ↔
          sourceSamplingLimitMap I p ∈ sourceSamplingRectangle (sourceSamplingRationalX T) (sourceSamplingRationalY T) ∧
          p ∈ sourceSamplingTriangleSet I := by
    …

    Mentions: OAI.FiniteFactor.SourceCoordinate, OAI.FiniteFactor.SourceSamplingRationalTest, OAI.FiniteFactor.sourceSamplingLambdaTest, OAI.FiniteFactor.sourceSamplingLimitMap, OAI.FiniteFactor.sourceSamplingRectangle, OAI.FiniteFactor.sourceSamplingRationalX, OAI.FiniteFactor.sourceSamplingRationalY, OAI.FiniteFactor.sourceSamplingTriangleSet

  4. theorem OAI.FiniteFactor.sourceSamplingLambda_rectangle line 59

    Source documentation

    The constructed infinite-coordinate measure has exactly the rectangle values previously obtained as sampling limits.

    theorem sourceSamplingLambda_rectangle (I : Finset SourceCoordinate) (T : SourceSamplingRationalTest) :
        ((sourceSamplingLambda I)
          (sourceSamplingRectangle (sourceSamplingRationalX T) (sourceSamplingRationalY T))).toReal =
          sourceSamplingLimitRectangleMass I T := by
    …

    Mentions: OAI.FiniteFactor.SourceCoordinate, OAI.FiniteFactor.SourceSamplingRationalTest, OAI.FiniteFactor.sourceSamplingLambda, OAI.FiniteFactor.sourceSamplingRectangle, OAI.FiniteFactor.sourceSamplingRationalX, OAI.FiniteFactor.sourceSamplingRationalY, OAI.FiniteFactor.sourceSamplingLimitRectangleMass

  5. theorem OAI.FiniteFactor.sourceSamplingLambda_rectangle_limit_event line 108

    Source documentation

    Actual untrimmed measures converge to the actual source limiting measure on every rational cylinder rectangle, on a single conull event.

    theorem sourceSamplingLambda_rectangle_limit_event :
        ∀ᵐ θ ∂sourceAngleLaw, ∀ (I : Finset SourceCoordinate) (T : SourceSamplingRationalTest),
          Tendsto (fun stage => ((sourceSamplingUntrimmed I stage θ)
            (sourceSamplingRectangle (sourceSamplingRationalX T) (sourceSamplingRationalY T))).toReal)
            atTop (𝓝 (((sourceSamplingLambda I)
              (sourceSamplingRectangle (sourceSamplingRationalX T) (sourceSamplingRationalY T))).toReal)) := by
    …

    Mentions: OAI.FiniteFactor.sourceAngleLaw, OAI.FiniteFactor.SourceCoordinate, OAI.FiniteFactor.SourceSamplingRationalTest, OAI.FiniteFactor.sourceSamplingUntrimmed, OAI.FiniteFactor.sourceSamplingRectangle, OAI.FiniteFactor.sourceSamplingRationalX, OAI.FiniteFactor.sourceSamplingRationalY, OAI.FiniteFactor.sourceSamplingLambda