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Found 355 Documents (Results 1–100)

Chebyshev-Markov-Bernstein-Szegö polynomials and quadrature formulas with enhanced precision for some classes of integrals with parameter-dependent weight function. (English. Russian original) Zbl 1247.65031

Dokl. Math. 67, No. 3, 398-403 (2003); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 390, No. 5, 590-594 (2003).
MSC:  65D30 33C45
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On a universal formula for the phase functions of extremal Chebyshev-Markov-Bernstein-Szegö polynomials of kinds 1-4. (English. Russian original) Zbl 1247.33020

Dokl. Math. 67, No. 2, 163-166 (2003); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 389, No. 1, 23-26 (2003).
MSC:  33C45 41A10
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Best \(n\)-term approximations by \(\Lambda\)-methods in \(S^{p}_{\phi}\) spaces. (Ukrainian) Zbl 1129.42316

Stepanets’, O. I. (ed.), Ekstremal’ni zadachi teoriïfunktsij ta sumizhni pytannya. Kyïv: Instytut Matematyky NAN Ukraïny (ISBN 966-02-2940-2). Pratsi Instytutu Matematyky Natsional’noïAkademiïNauk Ukraïny. Matematyka ta ïïZastosuvannya 46, 283-306 (2003).
MSC:  42A10 41A50
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Best \(m\)-term trigonometric approximations of classes \(L_{\beta,p}^{\psi}\) in the uniform metric. (Ukrainian) Zbl 1129.42302

Stepanets’, O. I. (ed.), Ekstremal’ni zadachi teoriïfunktsij ta sumizhni pytannya. Kyïv: Instytut Matematyky NAN Ukraïny (ISBN 966-02-2940-2). Pratsi Instytutu Matematyky Natsional’noïAkademiïNauk Ukraïny. Matematyka ta ïïZastosuvannya 46, 276-282 (2003).
MSC:  42A10 41A50
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The estimate of the best approximation of periodic functions in the metric \(L_p\). (Ukrainian) Zbl 1129.42305

Stepanets’, O. I. (ed.), Ekstremal’ni zadachi teoriïfunktsij ta sumizhni pytannya. Kyïv: Instytut Matematyky NAN Ukraïny (ISBN 966-02-2940-2). Pratsi Instytutu Matematyky Natsional’noïAkademiïNauk Ukraïny. Matematyka ta ïïZastosuvannya 46, 83-88 (2003).
MSC:  42A10 41A50
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On best approximation of continuous functions. (English) Zbl 1099.41022

Blatt, H.-P. (ed.) et al., Analytical and approximate methods. Proceedings of the international conference at the Kyrgyz-Russian-Slavic University Bishkek, Kyrgyzstan, September 23–24, 2002. Aachen: Shaker Verlag (ISBN 3-8322-2147-6/pbk). Berichte aus der Mathematik, 221-233 (2003).
MSC:  41A50 41A52
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Voltage-driven instability of electrically conducting fluids. (English) Zbl 1183.76742

Hirschel, Ernst Heinrich (ed.), Numerical flow simulation III. CNRS-DFG collaborative research programme. Results 2000-2002. Berlin: Springer (ISBN 3-540-44130-1/hbk). Notes on Numerical Fluid Mechanics and Multidisciplinary Design (NNFM) 82, 97-111 (2003).
MSC:  76E25 76W05 76M22
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Multi-domain finite element-spectral Chebyshev parallel Navier-Stokes solver for viscous flow problems. (English) Zbl 1096.76023

Hirschel, Ernst Heinrich (ed.), Numerical flow simulation III. CNRS-DFG collaborative research programme. Results 2000-2002. Berlin: Springer (ISBN 3-540-44130-1/hbk). Notes on Numerical Fluid Mechanics and Multidisciplinary Design (NNFM) 82, 3-17 (2003).
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Estimates of residual terms of multiple Fourier-Chebyshev series and the Chebyshev type cubature formulas. (Russian, English) Zbl 1121.41307

Zh. Vychisl. Mat. Mat. Fiz. 43, No. 5, 643-663 (2003); translation in Comput. Math. Math. Phys. 43, No. 5, 613-632 (2003).
MSC:  41A55 42A10 65D30
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Estimate of the best approximation of summable functions of several variables with certain symmetry of the Fourier coefficients. (Ukrainian, English) Zbl 1127.42304

Ukr. Mat. Zh. 55, No. 8, 1138-1142 (2003); translation in Ukr. Math. J. 55, No. 8, 1377-1382 (2003).
MSC:  42B05 41A50
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Large deviations in quantum information theory. (English. Russian original) Zbl 1082.94008

Probl. Inf. Transm. 39, No. 4, 373-379 (2003); translation from Probl. Peredachi Inf. 39, No. 4, 63-70 (2003).
MSC:  94A40 94A15 81P68
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On the inversion of multidimensional singular integral equations of the first kind. (English. Russian original) Zbl 1075.45004

Russ. Math. 47, No. 10, 11-23 (2003); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2003, No. 10, 13-25 (2003).
MSC:  45E05 45L05
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Sufficient conditions of extremality of extreme distributions \(F_{5} - F_{7}\) in generalized Chebyshev inequalities. III. (English. Russian original) Zbl 1092.90021

Cybern. Syst. Anal. 39, No. 3, 419-427 (2003); translation from Kibern. Sist. Anal. 39, No. 3, 121-132 (2003).
MSC:  90B25 49K22 60E15
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Necessary and sufficient conditions of existence of extreme distributions \(F_{5}-F_{7}\) in the generalized Chebyshev inequalities problem. II. (English. Russian original) Zbl 1090.90141

Cybern. Syst. Anal. 39, No. 2, 284-290 (2003); translation from Kibern. Sist. Anal. 39, No. 2, 142-149 (2003).
MSC:  90B99 60E05
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Some new properties of Chebyshev polynomials and their use in analysis and design of dynamical systems. (English. Russian original) Zbl 1064.93013

Autom. Remote Control 64, No. 4, 554-563 (2003); translation from Avtom. Telemekh. 2003, No. 4, 44-55 (2003).
MSC:  93B50 41A10
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On inherited properties for vector-valued multifunctions. (English) Zbl 1165.90517

Tanino, Tetsuzo (ed.) et al., Multi-objective programming and goal-programming. Theory and applications. Proceeedings of the conference MOPGP’02, Nara, Japan, June 4–7, 2002. Berlin: Springer (ISBN 3-540-00653-2/pbk). Advances in Soft Computing, 215-220 (2003).
MSC:  90B50
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Chebyshev-Anderson’s inequality. (English) Zbl 1073.26018

Cho, Yeol Je (ed.) et al., Inequality theory and applications. Vol. 3. Papers from the 7th international conference on nonlinear functional analysis and applications, Gyeongsang National University, Chinju, Korea and at Kyungnam University, Masan, Korea, August 6–10, 2001. Hauppauge, NY: Nova Science Publishers (ISBN 1-59033-891-X/hbk). 181-188 (2003).
MSC:  26D15 26A51
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Perturbed version of a general trapezoid inequality. (English) Zbl 1073.26013

Cho, Yeol Je (ed.) et al., Inequality theory and applications. Vol. 3. Papers from the 7th international conference on nonlinear functional analysis and applications, Gyeongsang National University, Chinju, Korea and at Kyungnam University, Masan, Korea, August 6–10, 2001. Hauppauge, NY: Nova Science Publishers (ISBN 1-59033-891-X/hbk). 1-12 (2003).
MSC:  26D15 41A55
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Low-Prandtl-number Marangoni convection driven by localized heating on the free surface: Results of three-dimensional direct simulations. (English) Zbl 1060.76045

Narayanan, Ranga (ed.) et al., Interfacial fluid dynamics and transport processes. Selected papers from the first and second workshop of the International Marangoni Association, Marburg, Germany, September 12, 2001, Gainsville, FL, USA, March 2002. Berlin: Springer (ISBN 3-540-40583-6/hbk). Lect. Notes Phys. 628, 157-175 (2003).
MSC:  76E06 76M22 80A20
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Generalised Taylor’s formula with estimates of the remainder. (English) Zbl 1093.26016

Cho, Yeol Je (ed.) et al., Inequality theory and applications. Vol. 2. Papers from the 7th international conference on nonlinear functional analysis and applications, Gyeongsang National University, Chinju, Korea and at Kyungnam University, Masan, Korea, August 6–10, 2001. Hauppauge, NY: Nova Science Publishers (ISBN 1-59033-866-9/hbk ). 33-52 (2003).
MSC:  26D15 41A58
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Numerical methods for solving linear and nonlinear boundary value problems. Abstracts from the 2nd All-Russian school-conference of young scientists, Kazan’, Russia, June 27–July 1, 2003. (Chislennye metody resheniya linejnykh i nelinejnykh kraevykh zadach.) (Russian) Zbl 1058.65003

Trudy Matematicheskogo Tsentra imeni N. I. Lobachevskogo 20. Kazan’: Kazanskoe Matematicheskoe Obshchestvo (ISBN 5-900975-40-1/pbk). 244 p. (2003).
MSC:  65-06 76-06 00B25
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The effect of the characteristic dimension of a microstructural material and the trough length of a solitary wave on its evolution. (Russian, English) Zbl 1126.74331

Prikl. Mekh., Kiev 39, No. 2, 85-91 (2003); translation in Int. Appl. Mech. 39, No. 2, 197-202 (2003).
MSC:  74A40 74J99
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On some inequalities connected to the strong law of large numbers. (English. Russian original) Zbl 1059.60040

Theory Probab. Appl. 48, No. 2, 221-225 (2003); translation from Teor. Veroyatn. Primen. 48, No. 2, 249-253 (2003).
MSC:  60F15 60-03 01A05
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