OAI/GroupTheory/PolycyclicRecognition/Analysis/SupportedProbabilityRestriction.lean

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4 declarations, 0 contain sorry, 0 declared as axioms

Viewing a supported probability as a probability on its compact support

  1. def OAI.PolycyclicRecognition.supportedProbabilityRestriction line 15

    Source documentation

    A probability carried by a measurable set, viewed on that subtype.

    def supportedProbabilityRestriction
        {X : Type*} [MeasurableSpace X] (μ : ProbabilityMeasure X)
        (K : Set X) (hK : MeasurableSet K) (hfull : ∀ᵐ x ∂(μ : Measure X), x ∈ K) :
        ProbabilityMeasure K :=
    …
  2. theorem OAI.PolycyclicRecognition.supportedProbabilityRestriction_map line 26
  3. theorem OAI.PolycyclicRecognition.mem_support_supportedProbabilityRestriction line 34

    Source documentation

    Supported points stay supported after restriction to a carrying set.

    theorem mem_support_supportedProbabilityRestriction
        {X : Type*} [TopologicalSpace X] [MeasurableSpace X]
        (μ : ProbabilityMeasure X) (K : Set X) (hK : MeasurableSet K)
        (hfull : ∀ᵐ x ∂(μ : Measure X), x ∈ K)
        {x : K} (hx : x.val ∈ (μ : Measure X).support) :
        x ∈ (supportedProbabilityRestriction μ K hK hfull : Measure K).support := by
    …

    Mentions: OAI.PolycyclicRecognition.supportedProbabilityRestriction

  4. theorem OAI.PolycyclicRecognition.integral_supportedProbabilityRestriction line 59

    Source documentation

    Restriction does not change integrals of ambient observables.

    theorem integral_supportedProbabilityRestriction
        {X E : Type*} [MeasurableSpace X] [NormedAddCommGroup E] [NormedSpace ℝ E]
        (μ : ProbabilityMeasure X) (K : Set X) (hK : MeasurableSet K)
        (hfull : ∀ᵐ x ∂(μ : Measure X), x ∈ K) (f : X → E) :
        (∫ x : K, f x.val ∂(supportedProbabilityRestriction μ K hK hfull : Measure K)) =
          ∫ x, f x ∂(μ : Measure X) := by
    …

    Mentions: OAI.PolycyclicRecognition.supportedProbabilityRestriction