OAI/Geometry/SurfaceImmersion/Correction/SmoothingResidualOperator.lean
2 declarations, 0 contain sorry, 0 declared as axioms
Bounds in unchanged derivative norms for repeated residual operators.
- theorem
OAI.ClosedSurfaceR4.FiniteOrderSmoothing.residual_boundedline 17Source documentation
The residual operator is bounded in the original norm, independently of its smoothing scale.
theorem residual_bounded {s C : ℝ} (hs : 0 < s) (n : ℕ) {f : Base → E} (hb : ∀ x, ‖f x‖ ≤ C) (x : Base) : ‖residual s n f x‖ ≤ (1 + ∫ y, ‖kernel 0 y‖) ^ n * C := by …Mentions: OAI.ClosedSurfaceR4.FiniteOrderSmoothing.residual, OAI.ClosedSurfaceR4.FiniteOrderSmoothing.kernel
- theorem
OAI.ClosedSurfaceR4.FiniteOrderSmoothing.iterated_residual_boundedline 32Source documentation
Repeated residuals are bounded in every original derivative norm.
theorem iterated_residual_bounded {s C : ℝ} (hs : 0 < s) (n m : ℕ) {f : Base → E} (hf : ContDiff ℝ ∞ f) (hfc : HasCompactSupport f) (hb : ∀ x, ‖iteratedFDeriv ℝ m f x‖ ≤ C) (x : Base) : ‖iteratedFDeriv ℝ m (residual s n f) x‖ ≤ (1 + ∫ y, ‖kernel 0 y‖) ^ n * C := by …Mentions: OAI.ClosedSurfaceR4.FiniteOrderSmoothing.residual, OAI.ClosedSurfaceR4.FiniteOrderSmoothing.kernel