Sharp weighted norm inequalities for singular integrals with non–smooth kernels

2019 ◽  
Vol 295 (3-4) ◽  
pp. 1733-1750
Author(s):  
The Anh Bui ◽  
Xuan Thinh Duong
Author(s):  
Loukas Grafakos ◽  
Liguang Liu ◽  
Dachun Yang

We obtain weighted norm inequalities for maximal truncated operators of multi-linear singular integrals with non-smooth kernels in the sense of Duong et al. This class of operators extends the class of multi-linear Calderón-Zygmund operators introduced by Coifman and Meyer and includes the higher-order commutators of Calderón. The weighted norm inequalities obtained in this work are with respect to the new class of multiple weights of Lerner et al. The key ingredient in the proof is the introduction of a new multi-sublinear maximal operator that plays the role of the Hardy-Littlewood maximal function in a version of Cotlar's inequality. As applications of these results, new weighted estimates for the mth order Calderón commutators and their maximal counterparts are deduced.


2005 ◽  
Vol 2005 (5) ◽  
pp. 657-669
Author(s):  
H. M. Al-Qassem

Weighted norm inequalities are proved for a rough homogeneous singular integral operator and its corresponding maximal truncated singular operator. Our results are essential improvements as well as extensions of some known results on the weighted boundedness of singular integrals.


1975 ◽  
Vol 27 (4) ◽  
pp. 570-588 ◽  
Author(s):  
Makoto KANEKO ◽  
Shigeki YANO

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