OAI/Analysis/Mahler/NormSquareForm.lean

GitHub source file

5 declarations, 0 contain sorry, 0 declared as axioms

  1. def OAI.Mahler.normEnergy line 11
  2. lemma OAI.Mahler.normEnergy_contDiff line 13
  3. lemma OAI.Mahler.dc_normEnergy line 17

    Source documentation

    The actual d^c of the Euclidean squared norm.

    lemma dc_normEnergy {n : ℕ} (x v : ComplexEuclidean n) :
        dc (normEnergy n) x v = (-1 / 2 : ℂ) * (inner ℝ x (I • v) : ℂ) := by
    …

    Mentions: OAI.Mahler.ComplexEuclidean, OAI.Mahler.dc, OAI.Mahler.normEnergy

  4. lemma OAI.Mahler.real_inner_complexStructure_swap line 25
  5. theorem OAI.Mahler.extDeriv_dc_normEnergy line 35

    Source documentation

    The exterior normalization dd^c |z|^2 is the standard symplectic two-form, with positive dx_k wedge dy_k orientation.

    theorem extDeriv_dc_normEnergy {n : ℕ} (x v w : ComplexEuclidean n) :
        extDeriv (oneForm (dcLinear (normEnergy n))) x ![v, w] =
          ((∑ j : Fin n, ((v j).re * (w j).im - (v j).im * (w j).re) : ℝ) : ℂ) := by
    …

    Mentions: OAI.Mahler.ComplexEuclidean, OAI.Mahler.oneForm, OAI.Mahler.dcLinear, OAI.Mahler.normEnergy