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Zapiski Nauchnykh Seminarov LOMI, 1989, Volume 170, Pages 274–284
(Mi znsl4465)
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This article is cited in 1 scientific paper (total in 2 paper)
On some results and problems in the theory of bases
P. L. Ul'yanov
Abstract:
The survey touches on the following three themes: (1) the order of decay of Fourier coefficients with respect to some orthogonal systems; (2) the order of approximation of functions of a given class by partial sums of orthogonal series; (3) the lowest possible order of growth of degrees of polynomials, constituting a basis of $C(0,1)$. A discussion of the present state of some unsolved problem is included and some new ones are posed.
Citation:
P. L. Ul'yanov, “On some results and problems in the theory of bases”, Investigations on linear operators and function theory. Part 17, Zap. Nauchn. Sem. LOMI, 170, "Nauka", Leningrad. Otdel., Leningrad, 1989, 274–284; J. Soviet Math., 63:2 (1993), 269–274
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https://www.mathnet.ru/eng/znsl4465 https://www.mathnet.ru/eng/znsl/v170/p274
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Abstract page: | 196 | Full-text PDF : | 98 |
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