OAI/Geometry/SurfaceImmersion/Correction/SmoothingGain.lean
3 declarations, 0 contain sorry, 0 declared as axioms
Scale-exact derivative gains for convolution by the constructed kernels.
- lemma
OAI.ClosedSurfaceR4.FiniteOrderSmoothing.norm_iterated_dilateline 13 - lemma
OAI.ClosedSurfaceR4.FiniteOrderSmoothing.integral_norm_iterated_dilateline 26 - theorem
OAI.ClosedSurfaceR4.FiniteOrderSmoothing.smooth_derivative_gainline 41Source documentation
An arbitrarily high output derivative is bounded by the zeroth input norm and the corresponding fixed kernel derivative mass.
theorem smooth_derivative_gain (r n : ℕ) {s C : ℝ} (hs : 0 < s) {f : Base → E} (hf : Continuous f) (hb : ∀ x, ‖f x‖ ≤ C) (x : Base) : ‖iteratedFDeriv ℝ n (smooth r s f) x‖ ≤ (s ^ n)⁻¹ * (∫ y, ‖iteratedFDeriv ℝ n (kernel r) y‖) * C := by …Mentions: OAI.ClosedSurfaceR4.FiniteOrderSmoothing.smooth, OAI.ClosedSurfaceR4.FiniteOrderSmoothing.kernel