OAI/Analysis/LipschitzHilbert/Phase/LocalSkippedPrediction.lean
2 declarations, 0 contain sorry, 0 declared as axioms
Patch local source predictions by the actual global fine-cell profile. Points outside the root share the first fiber's value, so global constancy is preserved without any extra measurable-choice requirement.
- theorem
OAI.LipschitzHilbert.FiniteLineGrid.nonnegative_profile_online 14 - theorem
OAI.LipschitzHilbert.FiniteLineGrid.exists_patched_window_factorline 34Source documentation
Local window factors assemble into one globally fine-cell-constant nonnegative function, with the correct average on every coarse cell.
theorem exists_patched_window_factor (g : FiniteLineGrid) (coarse fine : ℕ) (hcf : coarse ≤ fine) (hf : fine ≤ g.depth) (F : ℕ → ℝ → ℝ) (hF : ∀ i < g.branching^coarse, ∀ x ∈ g.cell coarse i, 0 ≤ F i x) (hconstant : ∀ i < g.branching^coarse, ∀ x ∈ g.cell coarse i, ∀ y ∈ g.cell coarse i, g.index fine x = g.index fine y → F i x = F i y) (haverage : ∀ i < g.branching^coarse, (∫ x in g.cell coarse i, F i x) ≤ volume.real (g.cell coarse i)) : ∃ Γ : ℝ → ℝ, Measurable Γ ∧ (∀ x, 0 ≤ Γ x) ∧ (∀ x y, g.index fine x = g.index fine y → Γ x = Γ y) ∧ (∀ x ∈ g.root, Γ x = F (g.index coarse x).val x) ∧ (∀ i : Fin (g.branching^g.depth), …Mentions: OAI.LipschitzHilbert.FiniteLineGrid