Characterizations of BMO through commutators of bilinear singular integral operators
Abstract: In this paper we characterize BMO in terms of the boundedness of commutators of various bilinear singular integral operators with pointwise multiplication. In particular, we study commutators of a wide class of bilinear operators of convolution type, including bilinear Calder\'on-Zygmund operators and the bilinear fractional integral operators.
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