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Izvestiya Vysshikh Uchebnykh Zavedenii. Matematika, 2010, Number 9, Pages 3–9
(Mi ivm7124)
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This article is cited in 1 scientific paper (total in 1 paper)
Some inverse theorems for approximation of functions by Fourier–Laguerre sums
V. A. Abilova, F. V. Abilovab, M. V. Abilovb a Chair of Theory of Functions and Functional Analysis, Dagestan State Uiversity, Makhachkala, Russia
b Chair of Higher Mathematics, Dagestan State Technical University, Makhachkala, Russia
Abstract:
In this paper we prove two inverse theorems of the approximation of functions of two variables by Fourier–Laguerre sums in a space with a certain weight.
Keywords:
Fourier–Laguerre transform, generalized shift operator, generalized derivatives.
Received: 11.12.2008
Citation:
V. A. Abilov, F. V. Abilova, M. V. Abilov, “Some inverse theorems for approximation of functions by Fourier–Laguerre sums”, Izv. Vyssh. Uchebn. Zaved. Mat., 2010, no. 9, 3–9; Russian Math. (Iz. VUZ), 54:9 (2010), 1–6
Linking options:
https://www.mathnet.ru/eng/ivm7124 https://www.mathnet.ru/eng/ivm/y2010/i9/p3
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