On widths of some classes of functions with values in Hilbert space

S.V. Savela (Oles Honchar Dnipropetrovsk National University)


We find the exact weak widths for one class of $$$2\pi$$$-periodic functions with values in Hilbert space, which is determined by moduli of continuity.


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DOI: https://doi.org/10.15421/240916



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