## M. Lorente, M.S. Riveros

*Weighted inequalities for commutators of one-sided singular integrals *

Comment.Math.Univ.Carolinae 43,1 (2002) 83-101. **Abstract:**We prove weighted inequalities for commutators of one-sided singular integrals (given by a Calder\'on-Zygmund kernel with support in $(-\infty , 0)$) with BMO functions. We give the one-sided version of the results in [C. P\'erez, {Sharp estimates for commutators of singular integrals via iterations of the Hardy-Littlewood maximal function}, J. Fourier Anal. Appl., vol. 3 (6), 1997, pages 743--756] and [C. P\'erez, {Endpoint estimates for commutators of singular integral operators}, J. Funct. Anal., vol 128 (1), 1995, pages 163-185]. We improve these results for one-sided singular integrals by putting in the right hand side of the inequalities a smaller operator and a wider class of weights.

**Keywords:** one-sided weights, one-sided singular integrals

**AMS Subject Classification:** Primary 42B25

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