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Seminar – Francesco Di Plinio, University of Virginia
Seminar – Francesco Di Plinio, University of Virginia
Title: Sparse domination of singular integral operators. Abstract: Singular integral operators, which are a priori signed and non-local, can be dominated in norm, pointwise, or dually, by sparse averaging operators, which are in contrast positive and localized. The most striking consequence is that weighted norm inequalities for the singular integral follow from the corresponding, rather