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Found 60 Documents (Results 1–60)

The rate of decrease of constants in Jackson type inequalities in dependence of the order of the continuity modulus. (English. Russian original) Zbl 1303.41007

J. Math. Sci., New York 178, No. 2, 132-143 (2011); translation from Zap. Nauchn. Semin. POMI 383, 33-52 (2010).
MSC:  41A17 41A25
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Estimates for functionals with a known moment sequence in terms of deviations of Steklov type means. (English. Russian original) Zbl 1303.41006

J. Math. Sci., New York 178, No. 2, 115-131 (2011); translation from Zap. Nauchn. Semin. POMI 383, 5-32 (2010).
MSC:  41A17 26D15
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Best polynomial approximations in \(L_{2}\) of classes of \(2{\pi}\)-periodic functions and exact values of their widths. (English. Russian original) Zbl 1284.42003

Math. Notes 90, No. 5, 748-757 (2011); translation from Mat. Zametki 90, No. 5, 764-775 (2011).
MSC:  42A10
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Approximation of classes of convolutions by linear operators of special form. (English. Russian original) Zbl 1286.41007

Math. Notes 90, No. 3, 333-343 (2011); translation from Math. Zametki 90, No. 3, 351-361 (2011).
MSC:  41A25 41A30
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Approximations of almost periodic functions by entire ones. (English. Russian original) Zbl 1280.30019

Russ. Math. 55, No. 12, 52-57 (2011); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2011, No. 12, 64-70 (2011).
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Differential-delay equations. (English) Zbl 1253.34065

Luo, Albert C. J. (ed.) et al., Complex systems. Fractionality, time-delay and synchronization. Berlin: Springer; Beijing: Higher Education Press (ISBN 978-3-642-17592-3/hbk; 978-3-642-17593-0/ebook). Nonlinear Physical Science, 83-117 (2011).
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The first method of Lyapunov in the study of systems which are described by integro-differential equations of Volterra type. (Первый метод ляпунова в исследовании систем, описываемых интегродифференциальными уравнениями типа вольтерра.) (Russian) Zbl 1252.45005

Moscow: Rossiĭskaya Akademiya Nauk, Vychislitel’nyĭ Tsentr im. A. A. Dorodnitsyna (ISBN 978-5-91601-055-8/pbk). 193 p. (2011).
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Constructive methods for obtaining the solution of the periodic boundary value problem for a system of matrix differential equations of Riccati type. (English. Russian original) Zbl 1247.34037

Differ. Equ. 47, No. 10, 1426-1434 (2011); translation from Differ. Uravn. 47, No. 10, 1412-1420 (2011).
MSC:  34B15 34A45
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Limit theorems in the theory of discrete periodic splines. (English. Russian original) Zbl 1238.41009

Dokl. Math. 83, No. 1, 39-40 (2011); translation from Dokl. Akad. Nauk 436, No. 2, 168-169 (2011).
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Applications of measure rigidity of diagonal actions. (English) Zbl 1246.37019

Bhatia, Rajendra (ed.) et al., Proceedings of the international congress of mathematicians (ICM 2010), Hyderabad, India, August 19–27, 2010. Vol. III: Invited lectures. Hackensack, NJ: World Scientific; New Delhi: Hindustan Book Agency (ISBN 978-981-4324-33-5/hbk; 978-81-85931-08-3/hbk; 978-981-4324-30-4/set; 978-981-4324-35-9/ebook). 1740-1759 (2011).
MSC:  37A45 37D40 11J13 11J04
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Homogenization of boundary value problems in perforated domains with the third boundary condition and the resulting change in the character of the nonlinearity in the problem. (English. Russian original) Zbl 1217.35049

Differ. Equ. 47, No. 1, 78-90 (2011); translation from Differ. Uravn. 47, No. 1, 79-91 (2011).
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