OAI/Analysis/LipschitzHilbert/Trees/SourceBoxReproduction.lean

GitHub source file

4 declarations, 0 contain sorry, 0 declared as axioms

Uniform reproduction on a physical rectangle. The two spectra are properties of the actual coordinate restrictions, and all vector members are controlled by one scalar maximal function.

  1. def OAI.LipschitzHilbert.coordinateBox line 15
  2. theorem OAI.LipschitzHilbert.coordinateBox_measurable line 18
  3. theorem OAI.LipschitzHilbert.planar_reproduction_kernel_bound line 23
  4. theorem OAI.LipschitzHilbert.planar_family_box_bound line 63

    Source documentation

    One exceptional set controls every packet and every evaluation point of the box.

    theorem planar_family_box_bound {ι : Type*}
        (Kx Ky : SchwartzMap ℝ ℂ) (F : ι → SchwartzMap (ℝ×ℝ) (EuclideanSpace ℂ κ))
        (Rx Ry cx cy rx ry : ℝ) (hrx : 0<rx) (hry : 0<ry)
        (hKx : ∀ ξ, |ξ|≤Rx → 𝓕 Kx ξ=1) (hKy : ∀ η, |η|≤Ry → 𝓕 Ky η=1)
        (hFx : ∀ a y ξ, 𝓕 (vectorHorizontalSlice (F a) y) ξ≠0 → |ξ|≤Rx/rx)
        (hFy : ∀ a x η, 𝓕 (vectorVerticalSlice (F a) x) η≠0 → |η|≤Ry/ry)
        (U : ℝ×ℝ → ℝ) (hUm : Measurable U) (hU2 : MemLp U 2 (volume.prod volume))
        (B : ℝ) (hB : 0≤B) (hU0 : ∀ p, 0≤U p) (hUb : ∀ p, ‖U p‖≤B)
        (hFU : ∀ a p, ‖F a p‖≤U p) :
        ∀ᵐ z ∂volume.prod volume, z∈coordinateBox cx cy rx ry →
          ∀ a w, w∈coordinateBox cx cy rx ry →
            ‖F a w‖≤(147456*schwartzEnvelopeConstant Kx 1*schwartzEnvelopeConstant Ky 1)*
    …

    Mentions: OAI.LipschitzHilbert.vectorHorizontalSlice, OAI.LipschitzHilbert.vectorVerticalSlice, OAI.LipschitzHilbert.coordinateBox, OAI.LipschitzHilbert.schwartzEnvelopeConstant