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On weighted compactness of commutators of bilinear maximal Calderón–Zygmund singular integral operators

  • Shifen Wang and Qingying Xue EMAIL logo
Published/Copyright: January 6, 2022

Abstract

Let T be a bilinear Calderón–Zygmund singular integral operator and let T* be its corresponding truncated maximal operator. For any bBMO(n) and b=(b1,b2)BMO(n)×BMO(n), let Tb,j* (j=1,2) and Tb* be the commutators in the j-th entry and the iterated commutators of T*, respectively. In this paper, for all 1<p1,p2<, 1p=1p1+1p2, we show that Tb,j* and Tb* are compact operators from Lp1(w1)×Lp2(w2) to Lp(vw) if b,b1,b2CMO(n) and w=(w1,w2)Ap, vw=w1p/p1w2p/p2. Here CMO(n) denotes the closure of 𝒞c(n) in the BMO(n) topology and Ap is the multiple weights class.

MSC 2010: 42B20; 42B25

Communicated by Christopher D. Sogge


Award Identifier / Grant number: 11871101

Award Identifier / Grant number: 2020YFA0712900

Funding statement: The second author was supported partly by NSFC (Nos. 11871101), 111 Project and the National Key Research and Development Program of China (Grant No. 2020YFA0712900).

Acknowledgements

The authors want to express their sincere thanks to the referee for his or her valuable remarks and suggestions, which made this paper more readable.

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Received: 2020-12-23
Revised: 2021-11-24
Published Online: 2022-01-06
Published in Print: 2022-03-01

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