OAI/Analysis/FiniteFactor/Sampling/TestedSelfMoment.lean
5 declarations, 0 contain sorry, 0 declared as axioms
- theorem
OAI.FiniteFactor.sampling_square_integrableline 11Source documentation
A bounded measurable real function has an integrable square on a finite measure.
theorem sampling_square_integrable {Ω : Type*} [MeasurableSpace Ω] (μ : Measure Ω) [IsFiniteMeasure μ] (f : Ω → ℝ) (C : ℝ) (hm : Measurable f) (hb : ∀ x, 0 ≤ f x ∧ f x ≤ C) : Integrable (fun x => f x ^ 2) μ := by … - theorem
OAI.FiniteFactor.samplingWeight_square_integrableline 20Source documentation
Squared weights are integrable jointly, permitting the source's Fubini step.
theorem samplingWeight_square_integrable (b : Bool) (h α : ℝ) (hh : 0 < h) (hα : 0 < α) : Integrable (fun p : ℝ × ℝ => samplingWeight b h α p.1 p.2 ^ 2) (unitIntervalMeasure.prod unitIntervalMeasure) := …Mentions: OAI.FiniteFactor.samplingWeight, OAI.FiniteFactor.unitIntervalMeasure
- theorem
OAI.FiniteFactor.samplingSecondWeight_square_integralline 28Source documentation
Haar translation preserves the untested self-pair moment in the second orientation, with the source's order of both integrations.
theorem samplingSecondWeight_square_integral (h α : ℝ) (hh : 0 < h) (hh1 : h < 1) (hα : 0 < α) (hα1 : α ≤ 1/2) : (∫ s, ∫ t, samplingSecondWeight h α s t ^ 2 ∂unitIntervalMeasure ∂unitIntervalMeasure) = (2/h)*Real.log (1/(2*α)) := by …Mentions: OAI.FiniteFactor.samplingSecondWeight, OAI.FiniteFactor.unitIntervalMeasure
- theorem
OAI.FiniteFactor.samplingTestedFirstWeight_square_integralline 54Source documentation
Tests decrease the diagonal self-pair moment in the first orientation.
theorem samplingTestedFirstWeight_square_integral (h α : ℝ) (E G : Set ℝ) (hh : 0 < h) (hh1 : h < 1) (hα : 0 < α) (hα1 : α ≤ 1/2) (hE : MeasurableSet E) (hG : MeasurableSet G) : (∫ s, ∫ t, samplingTestedFirstWeight false h α E G s t ^ 2 ∂unitIntervalMeasure ∂unitIntervalMeasure) ≤ (2/h)*Real.log (1/(2*α)) := by …Mentions: OAI.FiniteFactor.samplingTestedFirstWeight, OAI.FiniteFactor.unitIntervalMeasure
- theorem
OAI.FiniteFactor.samplingTestedSecondWeight_square_integralline 74Source documentation
Tests decrease the diagonal self-pair moment in the second orientation.
theorem samplingTestedSecondWeight_square_integral (h α : ℝ) (E G : Set ℝ) (hh : 0 < h) (hh1 : h < 1) (hα : 0 < α) (hα1 : α ≤ 1/2) (hE : MeasurableSet E) (hG : MeasurableSet G) : (∫ s, ∫ t, samplingTestedSecondWeight h α E G s t ^ 2 ∂unitIntervalMeasure ∂unitIntervalMeasure) ≤ (2/h)*Real.log (1/(2*α)) := by …Mentions: OAI.FiniteFactor.samplingTestedSecondWeight, OAI.FiniteFactor.unitIntervalMeasure