OAI/Analysis/FiniteFactor/CrossedProduct/TailTrimming.lean

GitHub source file

6 declarations, 0 contain sorry, 0 declared as axioms

  1. theorem OAI.FiniteFactor.unitInterval_order_failure line 11
  2. def OAI.FiniteFactor.sourceTailOrderFailure line 20
  3. theorem OAI.FiniteFactor.SourceAngles.block_sum_le line 24
  4. theorem OAI.FiniteFactor.SourceAngles.tail_block_summable line 34
  5. theorem OAI.FiniteFactor.SourceAngles.tail_order_probability line 44

    Source documentation

    Actual Haar probability of violating order in any tail coordinate, for one positive orbit power. The countably infinite union is controlled.

    theorem SourceAngles.tail_order_probability {θ : SourceCoordinate → ℝ} (hθ : SourceAngles θ) (s n : ℕ) :
        (Measure.infinitePi (fun _ : SourceCoordinate => unitIntervalMeasure))
          (sourceTailOrderFailure θ s n) ≤ ENNReal.ofReal (4*(n : ℝ)/((sourceStageState s).K : ℝ)) := by
    …

    Mentions: OAI.FiniteFactor.SourceCoordinate, OAI.FiniteFactor.SourceAngles, OAI.FiniteFactor.unitIntervalMeasure, OAI.FiniteFactor.sourceTailOrderFailure, OAI.FiniteFactor.sourceStageState

  6. theorem OAI.FiniteFactor.sourceSampling_tail_error_tendsto line 87

    Source documentation

    The source's trimming error tends to zero for every admissible angle realization, uniformly for all positive powers up to Q_s=m_s^((7/10)m_s).

    theorem sourceSampling_tail_error_tendsto :
        Tendsto (fun s => 4*(sourceBlockSize s : ℝ)^(-(sourceBlockSize s : ℝ)/20)) atTop (𝓝 0) := by
    …

    Mentions: OAI.FiniteFactor.sourceBlockSize