https://doi.org/10.4169/amer.math.monthly.122.8.795 https://www.jstor.org/stable/10.4169/amer.math.monthly.122.8.795 We give a new proof of the complete version of ...
In this paper we prove that the Marcinkiewicz integral μΩ with variable kernels is an operator of type (2,2), where the kernel function Ω does not have any smoothness on the unit sphere in ℝn. We ...