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LeanPool.AnomalousDiffusion.AVenhance.Infra.Section4.IteratesEnergyRecurrenceNorm

Iterates Energy Recurrence Norm #

Support for the Armstrong–Vicol anomalous-diffusion formalization.

theorem AVenhance.Infra.Section4.iterate_energy_recurrence_norm_sq {e gpart : ℝ → ℝ} {g κ R : ℝ} (he : ∀ (t : ℝ), 0 ≤ e t) (hg : 0 ≤ g) (hgp : ∀ (t : ℝ), 0 ≤ gpart t) (hκ : 0 ≤ κ) (hg1 : gpart 1 = g) (henergy : ∀ (t : ℝ), 0 ≤ t → t ≤ 1 → e t / 2 + κ * gpart t ≤ e t / 4 + 3 * κ / 8 * g + R) {s : ℝ} (hs : 0 ≤ s) (hs1 : s ≤ 1) :
(√(e s) + √κ * √g) ^ 2 ≤ 24 * R

A uniform differentiated energy remainder controls each terminal norm. The partial dissipation remains on its original interval.