OAI/Analysis/LipschitzHilbert/Trees/SourceLongTreeSupport.lean
2 declarations, 0 contain sorry, 0 declared as axioms
Original long-packet angular supports lie in the cell of the actual Whitney density test. This is the common indicator kept on the frozen main term and the selector error.
- theorem
OAI.LipschitzHilbert.OrdinaryDensityTest.contains_longer_angular_cellline 14 - theorem
OAI.LipschitzHilbert.long_selector_supportline 29Source documentation
Every long original selector vanishes outside the single test cell. The conclusion applies before any freezing or error decomposition.
theorem long_selector_support {ι κ : Type*} {ell0 w W tau : ℝ} {grid : ℤ} {witness : OrdinaryDensityTile} (test : OrdinaryDensityTest ell0 w W tau grid witness) (hell0 : 0<ell0) (tiles : Finset ι) (tile : ι → OrdinaryDensityTile) (selector : ι → κ → ℝ → ℂ) (hsupport : ∀ i∈tiles, ∀ a s, selector i a s≠0 → s∈scaledAngularCell (w/ell0) grid (tile i).level (tile i).cell) (hlen : ∀ i∈tiles, test.top.length≤ell0/DyadicLineGrid.scale (tile i).level) (hslope : ∀ i∈tiles, test.top.slope∈scaledAngularCell (w/ell0) grid (tile i).level (tile i).cell) {s : ℝ} (hs : s∉scaledAngularCell (w/ell0) grid test.level test.cell) : ∀ i∈tiles, ∀ a, selector i a s=0 := by …Mentions: OAI.LipschitzHilbert.OrdinaryDensityTile, OAI.LipschitzHilbert.OrdinaryDensityTest, OAI.LipschitzHilbert.scaledAngularCell, OAI.LipschitzHilbert.DyadicLineGrid.scale