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Onn-widths of bounded periodic holomorphic functions

The even-dimensional Kolmogorov widthsd 2n , Gel'fand widthsd 2n , and linear widths δ2n ofÃ 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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Bibliographic Details
Date:	1995
Main Authors:	Wilderotter, К., Вільдероттер, К.
Format:	Article
Language:	English
Published:	Institute of Mathematics, NAS of Ukraine 1995
Online Access:	https://umj.imath.kiev.ua/index.php/umj/article/view/5516
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Journal Title:	Ukrains’kyi Matematychnyi Zhurnal
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