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Onn-widths of bounded periodic holomorphic functions

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Abstract

The even-dimensional Kolmogorov widthsd 2n , Gel'fand widthsd 2n, and linear widths δ2n ofà inL q andC are determined exactly. We show that all threen-widths are equal and give a characterization of the widths in terms of Blaschke products.

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Published in Ukrainskii Matematicheskii Zhurnal, Vol. 47, No. 9, pp. 1170–1175, September, 1995.

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Wilderotter, K. Onn-widths of bounded periodic holomorphic functions. Ukr Math J 47, 1334–1340 (1995). https://doi.org/10.1007/BF01057508

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  • DOI: https://doi.org/10.1007/BF01057508

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