Ordered derivatives of the mollified initial state #
The mollifier's Fréchet derivative estimate supplies every ordered coordinate derivative required by the finite Hᵏ energy construction.
theorem
CKN.Leray.regUniformMollifiedInitial_orderedDerivative_memLp
(ρ : RegMollifierProfile)
(ε : ℝ)
(hε : 0 < ε)
(a : Foundation.Parabolic.Vec3 → Foundation.Parabolic.Vec3)
(ha : IsInJ a)
(α : List (Fin 3))
(i : Fin 3)
:
MeasureTheory.MemLp
(regularisedOrderedSpatialDerivative α fun (x : Foundation.Parabolic.Vec3) => regUniformMollifiedInitial ρ ε hε a x i)
2 MeasureTheory.volume
Every ordered spatial derivative of each component of a mollified Leray datum is square integrable.