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LeanPool.PhaseRetrieval.DimdPoly.Internal.OrthogonalCoercivity

OrthogonalCoercivity #

OrthogonalCoercivity #

Terminal finite assembly scaffold. This file should expose one coercivity theorem and no new analytic content.

def DimdPolyLEAN.coeffPk {d : ℕ} (kappa : MultiIndex d) (H : Pkappa d kappa) (alpha : Idx d) :

coeffPk: coeff Pk.

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    def DimdPolyLEAN.OrthogonalToPk {d : ℕ} (kappa : MultiIndex d) (F G : Pkappa d kappa) :

    OrthogonalToPk: Orthogonal To Pk.

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      noncomputable def DimdPolyLEAN.defectPk {d : ℕ} (kappa : MultiIndex d) (F G : Pkappa d kappa) :

      defectPk: defect Pk.

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        noncomputable def DimdPolyLEAN.lowAnnulusMassPk {d : ℕ} (kappa : MultiIndex d) (J : ℕ) (H : Pkappa d kappa) :

        lowAnnulusMassPk: low Annulus Mass Pk.

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          noncomputable def DimdPolyLEAN.highAnnulusMassPk {d : ℕ} (kappa : MultiIndex d) (J : ℕ) (H : Pkappa d kappa) :

          highAnnulusMassPk: high Annulus Mass Pk.

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            theorem DimdPolyLEAN.orthogonal_coercivity {d : ℕ} (kappa : MultiIndex d) (hd : 0 < d) (F : Pkappa d kappa) (hF_ne : F ≠ 0) (hF_norm : ‖F‖ = 1) :
            ∃ (C_F_perp : ℝ), 0 < C_F_perp ∧ ∀ (G : Pkappa d kappa), OrthogonalToPk kappa F G → ‖G‖ ≤ C_F_perp * defectPk kappa F G