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LeanPool.Superdiffusion.Algsuperdiff.Section4.Provider.S5ErrorMomentBoundProvider

S5ErrorMomentBoundProvider #

Ported from scottnarmstrong/Superdiffusion at 7f20476385d4af418f110303085ad0740c9eba46. Module imports, support namespace and local option directives adapted for Lean Pool.

Moment bound for the localized error #

This module packages the localized-error estimate with one constant serving both its moment amplitude and the admissible exponent range.

theorem Algsuperdiff.Section4.Provider.s5_error_moment_bound_provider (d : ℕ) (cstar : ℝ) (hcstar : 0 < cstar) :
∃ (gamma0 : ℝ) (C : ℝ), 0 < gamma0 ∧ 0 < C ∧ ∀ (M : Section3.ABKModel d), Section3.Disorder.cstar M = cstar → M.gamma ≤ gamma0 → ∀ (p : ℝ) (n : ℤ) (y : HCPolySupport.Vec d), 1 ≤ p → p ≤ C⁻¹ * M.gamma⁻¹ * |Real.log M.gamma|⁻¹ → ∫⁻ (omega : Section3.Cutoff.CutoffSample d), Section5.Support.localizedError M n y omega ^ p ∂↑(Section3.Cutoff.cutoffSampleLaw M) ≤ ENNReal.ofReal (C * (√p + √|Real.log M.gamma|) * √M.gamma * |Real.log M.gamma| ^ 3) ^ p

The localized error has the generator-renormalization moment profile at every scale and centre.