Abstract
For b ∈ Lip(ℝn); the Calderón commutator with variable kernel is defined by
In this paper, we establish the L2(ℝn) boundedness for [b, T1] with Ω(x, z′) ∈ L∞(ℝn)-Lq(Sn-1) (q > 2(n-1)=n) satisfying certain cancellation conditions. Moreover, the exponent q > 2(n-1)/n is optimal. Our main result improves a previous result of Calderón.
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Acknowledgements
The authors would like to express their deep gratitude to the referees for giving many valuable comments and suggestions. This work was supported by the National Natural Science Foundation of China (Grant No. 11471033), the Fundamental Research Funds for the Central Universities (Grant No. FRF-BR-17-001B), the NCET of China (Grant No. NCET-11-0574), and the Technology Plan Project of Hunan Province (Grant No. 2016TP1020).
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Chen, Y., Wang, L. L2(ℝn) boundedness for Calderón commutator with rough variable kernel. Front. Math. China 13, 1013–1031 (2018). https://doi.org/10.1007/s11464-018-0718-8
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DOI: https://doi.org/10.1007/s11464-018-0718-8