Revistes Catalanes amb Accés Obert (RACO)

Norm inequalities for the minimal and maximal operator, and differentiation of the integral

D. Cruz-Uribe, SFO, C. J. Neugebauer, V. Olesen
DOI: 37916


We study the weighted norm inequalities for the minimal operator, a new operator analogous to the Hardy-Littlewood maximal operator which arose in the study of reverse Hölder inequalities. We characterize the classes of weights which govern the strong and weak-type norm inequalities for the minimal operator in the two weight case, and show that these classes are the same. We also show that a generalization of the minimal operator can be used to obtain information about the differentiability of the integral in cases when the associated maximal operator is large, and we give a new condition for this maximal operator to be weak (1,1).

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