OAI/Analysis/LipschitzHilbert/Trees/SourceCenteredCoefficient.lean
6 declarations, 0 contain sorry, 0 declared as axioms
A symmetric reference cutoff is exactly three one-sided cutoffs, including its boundary. No level-set nullity is required.
- def
OAI.LipschitzHilbert.SourceLatticePacket.physicalCenteredWaveline 16 - def
OAI.LipschitzHilbert.SourceLatticePacket.physicalCenteredCoefficientline 20 - theorem
OAI.LipschitzHilbert.SourceLatticePacket.physicalCenteredWave_eqline 25 - theorem
OAI.LipschitzHilbert.SourceLatticePacket.physicalCenteredCoefficient_eqline 45Source documentation
Exact coefficient identity used for symmetric frozen selectors. All three terms have monotone thresholds whenever the original d does.
theorem physicalCenteredCoefficient_eq (s t : ℝ) (d : Fin N → ℝ) (hd : ∀ j, 0 ≤ d j) (v : ℝ×ℝ → ℝ) (hv : Measurable v) (g : ℝ×ℝ → EuclideanSpace ℂ κ) (hg : Measurable g) (hg1 : ∀ z, ‖g z‖ ≤ 1) (j : Fin N) (u : ι j) : P.physicalCenteredCoefficient s t d v g j u = P.physicalCoefficient s (fun j => t+d j) v g j u+ P.physicalCoefficient s (fun j => d j-t) (fun z => -v z) g j u- P.physicalCoefficient s (fun _ => 0) (fun _ => 0) g j u := by … - theorem
OAI.LipschitzHilbert.SourceLatticePacket.centered_upper_monotoneline 69 - theorem
OAI.LipschitzHilbert.SourceLatticePacket.centered_lower_monotoneline 75