OAI/Analysis/KadisonKastler/RegularIntervalAverages.lean
5 declarations, 0 contain sorry, 0 declared as axioms
Normalized interval averages
The boundary strip has fixed width for fixed compact test vectors. Dividing the localization average by the interval length therefore recovers every translation-invariant operator weakly.
- theorem
OAI.KadisonKastler.norm_regularCut_translate_leline 24 - theorem
OAI.KadisonKastler.integrable_localized_coefficientline 34 - theorem
OAI.KadisonKastler.regularIntervalAverage_error_leline 55Source documentation
The unnormalized error is confined to a fixed-width boundary strip.
theorem regularIntervalAverage_error_le (T : RegularCoreHilbert H →L[ℂ] RegularCoreHilbert H) (hT : ∀ r : ℝ, Commute T (regularRightTranslation (H := H) (Multiplicative.ofAdd r) : …Mentions: OAI.KadisonKastler.RegularCoreHilbert, OAI.KadisonKastler.regularRightTranslation
- def
OAI.KadisonKastler.regularNormalizedIntervalAverageline 93Source documentation
The interval-length-normalized localization is a contraction on operators.
def regularNormalizedIntervalAverage (n : ℕ) (T : RegularCoreHilbert H →L[ℂ] RegularCoreHilbert H) : RegularCoreHilbert H →L[ℂ] RegularCoreHilbert H := …Mentions: OAI.KadisonKastler.RegularCoreHilbert
- theorem
OAI.KadisonKastler.norm_regularNormalizedIntervalAverage_leline 100