OAI/MathematicalPhysics/DefocusingNLS/Linear/HomogeneousSpectralLocalizationSubunit.lean

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10 declarations, 0 contain sorry, 0 declared as axioms

Uniform finite-order bounds for the polynomial nonlinearity on strictly subunit balls. Complexifying the two real variables permits Cauchy estimates with constants independent of the power.

  1. def OAI.DefocusingNLS.homogeneousSubunitPolynomial line 17
  2. theorem OAI.DefocusingNLS.homogeneousSubunitPolynomial_contDiff line 20
  3. theorem OAI.DefocusingNLS.homogeneousSubunitPolynomial_norm line 24
  4. theorem OAI.DefocusingNLS.homogeneousSubunitPolynomial_derivatives line 36

    Source documentation

    The gap between the two radii absorbs every fixed derivative order.

    theorem homogeneousSubunitPolynomial_derivatives (k : ℕ) (ρ σ : ℝ)
        (hρ : 0 ≤ ρ) (hρσ : ρ < σ) :
        ∃ C : ℝ, 0 ≤ C ∧ ∀ n : ℕ, ∀ x : ℂ × ℂ, ‖x‖ ≤ ρ →
          ‖iteratedFDeriv ℂ k (homogeneousSubunitPolynomial n) x‖ ≤
            C * σ ^ (2 * n + 1) := by
    …

    Mentions: OAI.DefocusingNLS.homogeneousSubunitPolynomial

  5. theorem OAI.DefocusingNLS.homogeneousSubunitPolynomial_derivatives_small line 87

    Source documentation

    All fixed-order complexified jets tend uniformly to zero on a subunit ball.

    theorem homogeneousSubunitPolynomial_derivatives_small (k : ℕ) (ρ : ℝ)
        (hρ : 0 ≤ ρ) (hρ1 : ρ < 1) (ε : ℝ) (hε : 0 < ε) :
        ∀ᶠ n : ℕ in atTop, ∀ x : ℂ × ℂ, ‖x‖ ≤ ρ →
          ‖iteratedFDeriv ℂ k (homogeneousSubunitPolynomial n) x‖ < ε := by
    …

    Mentions: OAI.DefocusingNLS.homogeneousSubunitPolynomial

  6. theorem OAI.DefocusingNLS.homogeneousSubunitPolynomial_diagonal line 108
  7. def OAI.DefocusingNLS.homogeneousSubunitDiagonal line 111
  8. theorem OAI.DefocusingNLS.homogeneousSubunitPolynomial_real_norm line 116
  9. theorem OAI.DefocusingNLS.homogeneousSubunitPolynomial_oddPower_bound line 126
  10. theorem OAI.DefocusingNLS.homogeneous_oddPower_derivatives_subunit line 139

    Source documentation

    Uniform decay holds for the actual real odd-power derivatives, including the real-linear derivative used in the spectral potential.

    theorem homogeneous_oddPower_derivatives_subunit (k : ℕ) (ρ : ℝ)
        (hρ : 0 ≤ ρ) (hρ1 : ρ < 1) (ε : ℝ) (hε : 0 < ε) :
        ∀ᶠ n : ℕ in atTop, ∀ z : ℂ, ‖z‖ ≤ ρ →
          ‖iteratedFDeriv ℝ k (oddPowerNonlinearity n) z‖ < ε := by
    …

    Mentions: OAI.DefocusingNLS.oddPowerNonlinearity