本文研究带有齐性核的奇异积分算子与BMO函数的交换子。
The commutator generated by BMO functions and singular integral operators with homogeneous kernel is studied.
作者得到了粗糙核分数次积分算子的两权弱型不等式，推广了Cruz-Uribe和Perez的结果。
The authors give the two-weight weak-type inequality for the rough fractional integral operator, which is an extension of result obtained by Cruz-Uribe and Perez.
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