OAI/NumberTheory/CubicMoment/Transform/MetaplecticGammaRecurrence.lean

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Exact far-left metaplectic Gamma growth from the finite recurrence. Choosing Re s = 1/2-m gives the sharp height exponent 4m = 2+4A, A=m-1/2. No additional Stirling or completed-height input is needed.

  1. lemma OAI.CubicFirstMoment.metaplectic_ascPochhammer_norm line 11
  2. lemma OAI.CubicFirstMoment.metaplectic_symmetric_gamma_ratio line 29

    Source documentation

    A symmetric Gamma ratio for any fixed real shift, retaining the zero values at the totalized Gamma poles.

    lemma metaplectic_symmetric_gamma_ratio (k : ℝ) (m : ℕ) (t : ℝ) :
        ‖Complex.Gamma ((1/2:ℂ)+(m:ℂ)+(k:ℂ)-(t:ℂ)*Complex.I) /
          Complex.Gamma ((1/2:ℂ)-(m:ℂ)+(k:ℂ)+(t:ℂ)*Complex.I)‖ ≤
          (|k|+3*(m:ℝ)+1)^(2*m)*(1+|t|)^(2*m) := by
    …
  3. lemma OAI.CubicFirstMoment.metaplecticGamma_symmetric_factor line 71
  4. theorem OAI.CubicFirstMoment.metaplecticGamma_half_integer_bound line 105

    Source documentation

    Sharp exponent on the far-left half-integral lines, sufficient for arbitrary-power angular dual truncation. Constants depend only on ℓ,m.

    theorem metaplecticGamma_half_integer_bound (ℓ : ℤ) (m : ℕ) :
        ∃ C : ℝ, 0 < C ∧ ∀ t : ℝ,
          ‖metaplecticGammaQuotient ℓ ((1/2:ℂ)-(m:ℂ)+(t:ℂ)*Complex.I)‖ ≤
            C*(1+|t|)^(4*m) := by
    …

    Mentions: OAI.CubicFirstMoment.metaplecticGammaQuotient