OAI/MeasureTheory/Falconer/Fourier/CellSymbols.lean
9 declarations, 0 contain sorry, 0 declared as axioms
Cell restrictions inside original endpoint symbols
An indicator in the spatial variable leaves the restricted transform unchanged and requires no spatial derivative. It makes all nonstationary geometry hypotheses conditional on genuinely active point labels.
- def
OAI.Falconer.cellSymbolline 19 - theorem
OAI.Falconer.cellSymbol_measurableline 23 - theorem
OAI.Falconer.cellSymbol_activeline 28 - theorem
OAI.Falconer.cellSymbol_boundline 34 - theorem
OAI.Falconer.endpointTransform_cellSymbolline 42 - theorem
OAI.Falconer.cellSymbol_chart_smoothline 53 - theorem
OAI.Falconer.capPair_cell_activeline 66 - theorem
OAI.Falconer.cellCapPair_displacement_boundsline 76Source documentation
The phase bounds refer to the actual descendant cubes whenever there is a nonzero cap amplitude.
theorem cellCapPair_displacement_bounds {d n : ℕ} (Q : DyadicCube d) (hQ : 0 < Q.side) (p q : List (Fin d → Bool)) (hp : p.length = n) (hq : q.length = n) (η : Sphere d → ℝ) (b b' : Space d → Sphere d → ℂ) (x : Space d × Space d) {δ : ℝ} (hδ : 0 ≤ δ) (hactive : ∃ w, capPairAmplitude η (cellSymbol (Q.descendant p) b) (cellSymbol (Q.descendant q) b') x w ≠ 0) : ‖x.1-x.2‖ ≤ Real.sqrt d*Q.side ∧ ‖(x.1-x.2)-((Q.descendant p).center-(Q.descendant q).center)‖ + 8*δ*‖(Q.descendant p).center-(Q.descendant q).center‖ ≤ 2*Real.sqrt d*(Q.side/(2 : ℝ)^n)+8*δ*(Real.sqrt d*Q.side) := by …Mentions: OAI.Falconer.DyadicCube, OAI.Falconer.Sphere, OAI.Falconer.Space, OAI.Falconer.capPairAmplitude, OAI.Falconer.cellSymbol
- theorem
OAI.Falconer.endpointCapCrossTerm_cellSymbolsline 92