OAI/Geometry/RCD/Harmonic/QuadraticRadialError.lean
2 declarations, 0 contain sorry, 0 declared as axioms
The actual radial derivative is close to a coordinate value
- theorem
OAI.RegularPointCoordinates.gram_action_sqline 13 - theorem
OAI.RegularPointCoordinates.coordinateQuadratic_raw_errorline 50Source documentation
Near-orthonormal coordinate gradients identify the gradient of the quadratic model with the corresponding coordinate values in L2. Together with the value-to-gradient estimate this proves the raw radial convergence.
theorem coordinateQuadratic_raw_error {n : ℕ} {Ω : Set X} (hfin : μ Ω ≠ ∞) (u : Fin n → SobolevSpace μ hQ) (C : ℝ≥0) (q : SobolevSpace μ hQ) (hub : ∀ j, ∀ᵐ x ∂μ, |SobolevSpace.toLp μ hQ (u j) x| ≤ C) {M : ℝ} (hM : 0 ≤ M) (hgrad : ∀ j, ∀ᵐ x ∂μ.restrict Ω, localGamma μ hQ (u j) (u j) x ≤ M ^ 2) (j : Fin n) : let H := coordinateQuadratic μ hQ u C …Mentions: OAI.RegularPointCoordinates.SobolevSpace, OAI.RegularPointCoordinates.SobolevSpace.toLp, OAI.RegularPointCoordinates.localGamma, OAI.RegularPointCoordinates.coordinateQuadratic