Abstract
In Nagel et al. (J Funct Anal 181:29–118, 2001), Nagel–Ricci–Stein established the relationships between product kernels and flag kernels on the Euclidean space, that is, product kernels are finite sums of flag kernels. The main purpose of this paper is to characterize the product Hardy space as the intersection of flag Hardy spaces, and characterize the product Carleson measure space as the sum of flag spaces.
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Chang, DC., Han, Y. & Wu, X. Relations Between Product and Flag Hardy Spaces. J Geom Anal 31, 6601–6623 (2021). https://doi.org/10.1007/s12220-019-00284-2
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DOI: https://doi.org/10.1007/s12220-019-00284-2