Documentation

LeanPool.PhaseRetrieval.Constant.Internal.AnnulusLocalEstimate

AnnulusLocalEstimate #

Auxiliary lemmas for frequency block analysis #

Private Lemma 6.1a: Monotonicity of f(j) = 11(2j+1)/(j-5)^2 #

Structural matching: localPoly as a Fourier sum #

Theorem 6.1: Uniform local estimate on annuli #

theorem FockSPR.annulus_local_estimate {D : } (hD : 1 D) (a : Fin D) (j : ) {r : } (hr_nn : 0 r) (_hr_lo : j r) (_hr_hi : r j + 1) :
(circleNormSq fun (t : AddCircle T) => localPoly a 5 j (r * (fourier 1) t)) 1620 ^ 2 * (t : AddCircle T), rho (localPoly a 5 j (r * (fourier 1) t)) ^ 2 AddCircle.haarAddCircle