Abstract
Let μ be a nonnegative Borel measure on Rd satisfying that μ(Q) ⩽ l(Q)n for every cube Q ⊂ Rn, where l(Q) is the side length of the cube Q and 0 < n ⩽ d.
We study the class of pairs of weights related to the boundedness of radial maximal operators of fractional type associated to a Young function B in the context of non-homogeneous spaces related to the measure μ. Our results include two-weighted norm and weak type inequalities and pointwise estimates. Particularly, we give an improvement of a two-weighted result for certain fractional maximal operator proved in W.Wang, C. Tan, Z. Lou (2012).
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Pradolini, G., Recchi, J. Two-weighted estimates for generalized fractional maximal operators on non-homogeneous spaces. Czech Math J 68, 77–94 (2018). https://doi.org/10.21136/CMJ.2018.0337-16
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DOI: https://doi.org/10.21136/CMJ.2018.0337-16