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On the local \(Tb\) theorem: a direct proof under the duality assumption. (English) Zbl 1343.42019

The authors present a new direct proof of a known local \(Tb\) theorem in the Euclidean setting. This proof avoids a reduction to the perfect dyadic case unlike some previous approaches [P. Auscher and X. Y. Qi, Publ. Mat., Barc. 53, No. 1, 179–196 (2009; Zbl 1153.42003)]. The important point is the use of random grids and the corresponding construction of the corona. The authors also apply certain twisted martingale transform inequalities.
Reviewer: Petr Gurka (Praha)

MSC:

42B20 Singular and oscillatory integrals (Calderón-Zygmund, etc.)
42B25 Maximal functions, Littlewood-Paley theory
42B35 Function spaces arising in harmonic analysis
60G46 Martingales and classical analysis

Citations:

Zbl 1153.42003

References:

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