OAI/Geometry/RCD/Harmonic/EuclideanHarmonicModel.lean

GitHub source file

8 declarations, 0 contain sorry, 0 declared as axioms

The Euclidean harmonic model in the affine-improvement limit

The model retains its actual function, local L² representatives, and normalization. No affine approximation property is included in its data.

  1. theorem OAI.RegularPointCoordinates.euclideanCoordinate_memLp line 20

    Source documentation

    Each standard coordinate belongs to L² on a finite Euclidean ball.

    theorem euclideanCoordinate_memLp (n : ℕ) (r : ℝ) (i : Fin n) :
        MemLp (fun z : Euclidean n => z i) 2 (volume.restrict (ball 0 r)) := by
    …

    Mentions: OAI.RegularPointCoordinates.Euclidean

  2. def OAI.RegularPointCoordinates.euclideanCoordinateLp line 30
  3. theorem OAI.RegularPointCoordinates.euclideanCoordinateLp_coe line 34
  4. structure OAI.RegularPointCoordinates.EuclideanHarmonicModel line 39

    Source documentation

    An L²-normalized harmonic function on the limiting Euclidean ball.

    structure EuclideanHarmonicModel (n : ℕ) (S : ℝ) where
    …
  5. def OAI.RegularPointCoordinates.EuclideanHarmonicModel.localLp line 46
  6. theorem OAI.RegularPointCoordinates.EuclideanHarmonicModel.localLp_coe line 51
  7. def OAI.RegularPointCoordinates.EuclideanHarmonicModel.moments line 57

    Source documentation

    Target, constant and identity coordinates, all in the normalized local L² space. Their finite moments are the compactness output needed.

    def EuclideanHarmonicModel.moments {n : ℕ} {S r : ℝ}
        (w : EuclideanHarmonicModel n S) (hr : r ≤ S) :
        Option (Option (Fin n)) → Lp ℝ 2 (volume.restrict (ball (0 : Euclidean n) r)) :=
    …

    Mentions: OAI.RegularPointCoordinates.EuclideanHarmonicModel, OAI.RegularPointCoordinates.Euclidean

  8. def OAI.RegularPointCoordinates.EuclideanHarmonicHessianInput line 70

    Source documentation

    Evans, PDE (second edition), §2.2.3(c), Theorem 7, degree two, combined with Cauchy--Schwarz on the outer ball. The input only bounds the second derivative of a normalized Euclidean harmonic function.

    def EuclideanHarmonicHessianInput (n : ℕ) : Prop :=
    …