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LeanPool.CaffarelliKohnNirenberg.Foundation.Parabolic.Morrey.Inclusions

Bounded-support Morrey inclusions #

This module records the change of Morrey exponent available for functions supported in one parabolic cylinder.

theorem CKN.Foundation.Parabolic.Morrey.morreyNorm_bounded_support {p q q' : ℝ} (hp : 1 ≤ p) (hpq : p ≤ q) (hpq' : p ≤ q') (hq'q : q' ≤ q) {f : ParabolicPoint → ℝ} {z₀ : ParabolicPoint} {R : ℝ} (hR : 0 < R) (hsupp : ∀ w ∉ parabolicCylinder z₀.1 z₀.2 R, f w = 0) :
morreyNorm p q' f ≤ ENNReal.ofReal R ^ (5 * (1 / q' - 1 / q)) * morreyNorm p q f

A bounded-support function has the lower Morrey exponent at an explicit scale cost.