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Boundedness and Compactness of Commutators for Bilinear Fractional Integral Operators on Morrey Spaces
Analysis Mathematica ( IF 0.7 ) Pub Date : 2021-01-16 , DOI: 10.1007/s10476-021-0067-9
Q. Guo , J. Zhou

We show a characterization for the boundedness of the commutators for bilinear fractional integral operators B α (0 < α < n ) on Morrey spaces. Moreover, we obtain that if b ∈ CMO, then the commutators [ b, B α ] i ( i = 1, 2) are separately compact operators on Morrey spaces where CMO denotes the BMO-closure of C c ∞ (ℝ n ). A necessary condition for commutators [ b, B α ] i ( i = 1, 2) to be jointly compact on Morrey spaces is also given.

中文翻译:

Morrey空间上双线性分数积分算子的换向器的有界性和紧性

我们展示了 Morrey 空间上双线性分数积分算子 B α (0 < α < n ) 的交换子的有界性的表征。此外,我们得到如果 b ∈ CMO,那么交换子 [ b, B α ] i ( i = 1, 2) 是 Morrey 空间上单独的紧算子,其中 CMO 表示 C c ∞ (ℝ n ) 的 BMO 闭包。还给出了换向器 [ b, B α ] i ( i = 1, 2) 在 Morrey 空间上联合紧的必要条件。
更新日期:2021-01-16
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