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Matematicheskie Zametki, 1969, Volume 6, Issue 6, Pages 737–747
(Mi mzm6982)
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This article is cited in 7 scientific papers (total in 7 papers)
On the extension of a sequence of functions to a complete orthonormal system
A. M. Olevskii Moscow Institute of Electronic Engineering
Abstract:
Necessary and sufficient conditions for extending a sequence of functions to a complete orthonormal system on a larger set are indicated. As an application of the extension problem, a description of the space of coefficients of orthogonal series in a complete bounded system, converging on sets of positive measure, is given.
Received: 21.02.1969
Citation:
A. M. Olevskii, “On the extension of a sequence of functions to a complete orthonormal system”, Mat. Zametki, 6:6 (1969), 737–747; Math. Notes, 6:6 (1969), 908–913
Linking options:
https://www.mathnet.ru/eng/mzm6982 https://www.mathnet.ru/eng/mzm/v6/i6/p737
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