Abstract
For b ∈ BMO(ℝn) and 0 < α ≤ 1/2, the commutator of the fractional integral operator T Ω,α with rough variable kernel is defined by
In this paper the authors prove that the commutator [b, T Ω,α ] is a bounded operator from \(L^{\frac{2n}{n+2\alpha}}(\mathbb{R}^n)\) to L 2(ℝn). The result obtained in this paper is substantial improvement and extension of some known results.
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The research was supported by NSF of China (Grant: 10901017, 10931001), SRFDP of China (Grant: 20090003110018) and the Fundamental Research Funds for the Central Universities.
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Chen, Y., Ding, Y. & Li, R. The Boundedness for Commutator of Fractional Integral Operator With Rough Variable Kernel. Potential Anal 38, 119–142 (2013). https://doi.org/10.1007/s11118-011-9267-4
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DOI: https://doi.org/10.1007/s11118-011-9267-4