Abstract
We compare the Fourier integral of a function of bounded variation and the corresponding trigonometric series, generated by that function, in the multidimensional case. Several known notions of bounded variation are used and a new one is introduced. The obtained results are applied to integrability of multidimensional trigonometric series.
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Liflyand, E., Stadtmüller, U. & Trigub, R. An Interplay of Multidimensional Variations in Fourier Analysis. J Fourier Anal Appl 17, 226–239 (2011). https://doi.org/10.1007/s00041-010-9136-3
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DOI: https://doi.org/10.1007/s00041-010-9136-3