OAI/Analysis/LipschitzHilbert/Estimates/FiniteVariation.lean
6 declarations, 0 contain sorry, 0 declared as axioms
Finite cubic variation and its dimension-free Euclidean comparison.
- def
OAI.LipschitzHilbert.finiteCubicVariationline 15 - theorem
OAI.LipschitzHilbert.finiteCubicVariation_nonnegline 22 - theorem
OAI.LipschitzHilbert.partition_le_finiteCubicVariationline 30 - theorem
OAI.LipschitzHilbert.scalar_finiteCubicVariationline 40 - theorem
OAI.LipschitzHilbert.euclidean_partition_variation_leline 74Source documentation
Minkowski in
ℓ^(3/2)moves the Euclidean coordinates outside the variation. The constant does not depend on the number of coordinates.theorem euclidean_partition_variation_le {κ : Type*} [Fintype κ] (F : ℕ → EuclideanSpace ℝ κ) (N : ℕ) (p : Fin (N + 1) → Fin (N + 1)) : (∑ i : Fin N, ‖F (p i.succ) - F (p i.castSucc)‖ ^ 3) ^ (2 / 3 : ℝ) ≤ ∑ k, (∑ i : Fin N, ‖F (p i.succ) k - F (p i.castSucc) k‖ ^ 3) ^ (2 / 3 : ℝ) := by … - theorem
OAI.LipschitzHilbert.euclidean_finiteCubicVariation_leline 97