OAI/Analysis/AffineBernstein/FiniteAreaCover.lean

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2 declarations, 0 contain sorry, 0 declared as axioms

  1. lemma OAI.AffineBernstein.integral_le_sum_cover line 20

    Source comment

    Subadditivity for a finite (not disjoint) measurable cover, including the nonintegrable convention for the left-hand Bochner integral.
    lemma integral_le_sum_cover {X ι : Type*} [MeasurableSpace X] [Fintype ι]
        {μ : Measure X} {K : Set X} {S : ι → Set X} {f : X → ℝ}
        (hK : MeasurableSet K) (hS : ∀ i, MeasurableSet (S i))
        (hsub : ∀ i, S i ⊆ K) (hcover : K ⊆ ⋃ i, S i)
        (hn : ∀ x ∈ K, 0 ≤ f x) :
        (∫ x in K, f x ∂μ) ≤ ∑ i, ∫ x in S i, f x ∂μ := by
    …
  2. theorem OAI.AffineBernstein.LocalDistanceConverges.eventually_normed_compact_interior line 55

    Source comment

    Compact inner containment in the actual interiors of the approximants.
    theorem LocalDistanceConverges.eventually_normed_compact_interior
        {Cj : ℕ → Set E} {C S : Set E} (h : LocalDistanceConverges Cj C)
        (hclj : ∀ j, IsClosed (Cj j)) (hcvj : ∀ j, Convex ℝ (Cj j))
        (hnej : ∀ j, (Cj j).Nonempty) (hS : IsCompact S)
        (hSC : S ⊆ interior C) : ∀ᶠ j in atTop, S ⊆ interior (Cj j) := by
    …

    Mentions: OAI.AffineBernstein.LocalDistanceConverges