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MATHEMATICS
Estimates of Alexandrov’s $n$-width of a compact set for some infinitely differentiable periodic functions
V. N. Belykh Sobolev Institute of Mathematics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
Abstract:
In this paper, we obtain two-sided estimates for the Alexandrov $n$-width of a compact set of infinitely differentiable periodic functions that are boundedly embedded in the space of continuous functions on the unit circle.
Keywords:
compact set, $n$-width, infinitely differentiable functions, Gevrey class.
Citation:
V. N. Belykh, “Estimates of Alexandrov’s $n$-width of a compact set for some infinitely differentiable periodic functions”, Dokl. RAN. Math. Inf. Proc. Upr., 509 (2023), 8–12; Dokl. Math., 107:1 (2023), 4–8
Linking options:
https://www.mathnet.ru/eng/danma353 https://www.mathnet.ru/eng/danma/v509/p8
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