OAI/NumberTheory/JointDickman/Analysis/ShortMellinEnergy.lean

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Short-average energy from the actual Dirichlet polynomial on a block

  1. theorem OAI.JointDickman.shortAverage_block_energy_of_support line 13

    Source documentation

    A linear spectral bound yields a uniform bound for the original short averages. The coefficient range is explicit and the smoothing error tends to zero with the block width, profile transition width, and endpoint scales.

    theorem shortAverage_block_energy_of_support (η : ℝ) (hη : 0 < η) (hηhalf : η < 1/2) :
        ∃ C : ℝ, 0 < C ∧ ∀ (f : ArithmeticFunction ℂ), (∀ n, ‖f n‖ ≤ 1) →
          ∀ (K N : ℕ) (X H ε : ℝ), 0 < X → 1 ≤ H → H ≤ X → 0 ≤ ε → ε ≤ 1 →
          K ≤ ⌊X⌋₊ → ⌊(1 + ε) * (X + H)⌋₊ ≤ N →
          ∀ A B : ℝ, 0 ≤ A → 0 ≤ B →
          (∀ T : ℝ, 1 ≤ T →
            (∫ t in -T..T, ‖mellinPolynomial
              (Ioc K N) f t‖ ^ 2) ≤ A + B * T) →
          (1 / X) * (∫ x in X..(1 + ε) * X, ‖complexShortAverage f H x‖ ^ 2) ≤
            C * (A + B * X / H) +
              2 * ε * (3 * ε + 11 / H + H / X + 1 / X + 16 * η) ^ 2 := by
    …

    Mentions: OAI.JointDickman.mellinPolynomial

  2. theorem OAI.JointDickman.shortAverage_block_energy line 98