OAI/Geometry/SurfaceImmersion/Correction/LocalPeriodicCorrector.lean

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3 declarations, 0 contain sorry, 0 declared as axioms

The explicit angular corrector over its open domain of admissibility.

  1. lemma OAI.ClosedSurfaceR4.PeriodicCorrector.contDiffOn_spanSolve line 20
  2. theorem OAI.ClosedSurfaceR4.PeriodicCorrector.solve_smooth_family_on_formula line 37

    Source documentation

    A smooth family of solutions of the angular equations, with zero mean. The varying subspace is used only for orthogonality and membership; the actual covariance solve takes place in the fixed ambient Euclidean space.

    theorem solve_smooth_family_on_formula (O : Set A) (hO : IsOpen O) (S : A → Submodule ℝ E) (Y C X₀ : A → E)
        (hY : ContDiffOn ℝ ∞ Y O) (hC : ContDiffOn ℝ ∞ C O) (hX₀ : ContDiffOn ℝ ∞ X₀ O)
        (hdet : ∀ p ∈ O, gramDet (Y p) (C p) ≠ 0)
        (hPY : ∀ p ∈ O, ∀ w, w ∈ S p → inner ℝ (Y p) w = 0)
        (hPC : ∀ p ∈ O, ∀ w, w ∈ S p → inner ℝ (C p) w = 0)
        (hPX : ∀ p ∈ O, ∀ w, w ∈ S p → inner ℝ (X₀ p) w = 0)
        (V : A → C(Period, E)) (hVmem : ∀ p ∈ O, ∀ t, V p t ∈ S p)
        (hV : ContDiffOn ℝ ∞ (fun z : A × ℝ => V z.1 (z.2 : Period)) (O ×ˢ Set.univ))
        (q : A → ℝ) (hq : ContDiffOn ℝ ∞ q O) (hqpos : ∀ p ∈ O, 0 < q p)
        (hcircle : ∀ p ∈ O, ∀ t, inner ℝ (V p t) (V p t) = q p)
        (h K e : A → C(Period, ℝ))
        (hhs : ContDiffOn ℝ ∞ (fun z : A × ℝ => h z.1 (z.2 : Period)) (O ×ˢ Set.univ))
    …

    Mentions: OAI.ClosedSurfaceR4.PeriodicCorrector.gramDet

  3. theorem OAI.ClosedSurfaceR4.PeriodicCorrector.solve_smooth_family_on line 221