Per citar aquest document: http://ddd.uab.cat/record/138527
Why the Riesz transforms are averages of the dyadic shifts?
Petermichl, S. (Institute for Advanced Studies (Princeton, Estats Units d'Amèrica))
Treil, S. (Brown University. Department of Mathematics)
Volberg, A. (Michigan State University. Department of Mathematics)

Data: 2002
Resum: The first author showed in [18] that the Hilbert transform lies in the closed convex hull of dyadic singular operators —so-called dyadic shifts. We show here that the same is true in any Rn —the Riesz transforms can be obtained as the results of averaging of dyadic shifts. The goal of this paper is almost entirely methodological: we simplify the previous approach, rather than presenting the new one.
Drets: Tots els drets reservats
Llengua: Anglès
Document: article ; recerca ; publishedVersion
Matèria: Riesz transforms ; Haar functions ; Dyadic shift ; Dyadic lattice ; Rectifiable measures ; Menger’s curvature
Publicat a: Publicacions matemàtiques, Vol. Extra (2002) , p. 209-228, ISSN 2014-4350

DOI: 10.5565/PUBLMAT_Esco02_10


20 p, 289.8 KB

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