OAI/Analysis/KadisonKastler/CompleteCorrectionProducts.lean
6 declarations, 0 contain sorry, 0 declared as axioms
Uniform complete bounds on the successive correction products
- def
OAI.KadisonKastler.correctionProductsline 13 - theorem
OAI.KadisonKastler.correctionProducts_zeroline 18 - theorem
OAI.KadisonKastler.correctionProducts_succline 22 - theorem
OAI.KadisonKastler.correctionProducts_incrementline 26 - theorem
OAI.KadisonKastler.correctionProducts_complete_boundsline 34Source documentation
The displacement is bounded by twice the sum of the step sizes. The hypothesis on the partial sums closes the simultaneous bound by two.
theorem correctionProducts_complete_bounds (S : ℕ → A →L[ℂ] A) (r : ℕ → ℝ) (hr : ∀ n, 0 ≤ r n) (hsmall : ∀ n, 2 * ∑ i ∈ Finset.range n, r i ≤ 1) (hS : ∀ n, CompletelyBoundedBy ((S n).toLinearMap - LinearMap.id) (r n)) (n : ℕ) : CompletelyBoundedBy ((correctionProducts S n).toLinearMap - LinearMap.id) (2 * ∑ i ∈ Finset.range n, r i) ∧ CompletelyBoundedBy (correctionProducts S n).toLinearMap 2 := by …Mentions: OAI.KadisonKastler.CompletelyBoundedBy, OAI.KadisonKastler.correctionProducts
- theorem
OAI.KadisonKastler.correctionProducts_starline 75Source documentation
The products preserve the involution if each factor does.
theorem correctionProducts_star (S : ℕ → A →L[ℂ] A) (hS : ∀ n x, S n (star x) = star (S n x)) (n : ℕ) (x : A) : correctionProducts S n (star x) = star (correctionProducts S n x) := by …Mentions: OAI.KadisonKastler.correctionProducts