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Two-weight Weak-type Norm Inequalities for the Commutators of Fractional Integrals

Authors:	Email author" target="_blank">Zongguang?Liu Email author Shanzhen?Lu

Institution:	(1) Department of Mathematics, University of Mining and Technology (Beijing), 100083 Beijing, P.R.China;(2) Department of Mathematics, Beijing Normal University, 100875 Beijing, P.R.China

Abstract:	In this paper, we obtain a sufficient condition for two-weight weak type norm inequality for the commutators of fractional integral $b, I_\alpha]$ , where $b \in BMO$ and $0 < \alpha < n$ .

Keywords:	Primary: 42B20 Secondary: 35J05
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