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LeanPool.CaffarelliKohnNirenberg.Core.Endgame.ForceSlotNumericalScaling

Morrey bounds under parabolic changes of variables #

The numerical pressure and bootstrap bounds use unit cylinders. A positive parabolic dilation transports their Morrey norms with the explicit factor a ^ (-5 / τ). The estimate below takes the supremum over every centre and radius and does not impose integrability assumptions on the source.

A positive parabolic dilation is injective.

A positive dilation maps each cylinder to the cylinder with scaled radius.

Real integrals transform by the parabolic Jacobian, without additional measurability or integrability assumptions.

A positive parabolic dilation gives the all-centre numerical Morrey bound.

A numerical bound for an indicated source transports with both the field amplitude and the parabolic Morrey scaling factor retained.

theorem CKN.Core.Endgame.force_slot_scaling_bound_lt_top (a c τ : ℝ) {K : ENNReal} (ha : 0 < a) (hK : K < ⊤) :

Finite data remain finite under every positive parabolic rescaling.

The reverse change of variables recovers a bound on the original field from a bound in normalized coordinates.

A normalized subcarrier inherits the explicit scaled bound on its original carrier.

A nonzero field amplitude can be removed from a normalized Morrey bound, retaining the inverse amplitude and dilation factors.