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LeanPool.PhaseRetrieval.DimdPoly.Internal.Hermitek.BasisLocalization

BasisLocalization #

theorem HermitekLEAN.phi0_localization (k : ) :
∃ (C : ) (c : ), 0 < C 0 < c ∀ (j : ), annulusIntegralSq (phi0 k) j C * Real.exp (-c * posPart (j - ↑(k + 5)) ^ 2)

Localization of the lowest vector Phi k 0.

theorem HermitekLEAN.single_basis_localization (k : ) :
∃ (C : ) (c : ), 0 < C 0 < c ∀ (n j : ), 1 nannulusIntegralSq (Phi k n) j C * Real.exp (-c * posPart (|j - n| - ↑(k + 4)) ^ 2)

Single-basis localization near the annulus |z| ~ sqrt n.