Abstract
We obtain estimates of norms and best approximations of the generalized Liouville–Weyl derivative in the two-dimensional case.
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Acknowledgement
This research was partially supported by the RFBR (grant N 18-01-00281), AP 05132590.
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Jumabayeva, A., Simonov, B. (2019). Liouville–Weyl Derivatives of Double Trigonometric Series. In: Abell, M., Iacob, E., Stokolos, A., Taylor, S., Tikhonov, S., Zhu, J. (eds) Topics in Classical and Modern Analysis. Applied and Numerical Harmonic Analysis. Birkhäuser, Cham. https://doi.org/10.1007/978-3-030-12277-5_11
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DOI: https://doi.org/10.1007/978-3-030-12277-5_11
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