OAI/MathematicalPhysics/DefocusingNLS/Spectrum/SpectralGaugeClassicalFlux.lean

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3 declarations, 0 contain sorry, 0 declared as axioms

Divergence identities for the finite-pressure radial eigenvalue system.

  1. def OAI.DefocusingNLS.spectralGaugeFirstFlux line 10
  2. def OAI.DefocusingNLS.spectralGaugeSecondFlux line 13
  3. theorem OAI.DefocusingNLS.spectralGaugeClassicalFlux line 17

    Source documentation

    Differentiating the two actual fluxes gives precisely the weak-system sources.

    theorem spectralGaugeClassicalFlux (μ A : ℝ → ℝ) (f g : ℝ → ℂ)
        (r dμ c : ℝ) (η lam pressure : ℂ) (hr : r ≠ 0) (hμn : μ r ≠ 0)
        (hμ : HasDerivAt μ dμ r)
        (hA : HasDerivAt A (c*μ r-11/r*A r) r)
        (hf : DifferentiableAt ℝ f r) (hg : DifferentiableAt ℝ g r)
        (hdf : DifferentiableAt ℝ (deriv f) r) (hdg : DifferentiableAt ℝ (deriv g) r)
        (heF : lam*f r=-(deriv (deriv g) r+
          (11/(r : ℂ)+(dμ : ℂ)/(μ r : ℂ))*deriv g r-η/(r : ℂ)^2*g r)-
            (A r : ℂ)/(μ r : ℂ)*deriv f r)
        (heG : lam*g r=deriv (deriv f) r+
          (11/(r : ℂ)+(dμ : ℂ)/(μ r : ℂ))*deriv f r-η/(r : ℂ)^2*f r-
            (A r : ℂ)/(μ r : ℂ)*deriv g r-pressure*f r) :
    …