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Found 109 Documents (Results 1–100)

Approximation of the derivatives of a function in Lagrange interpolation on low-dimensional simplices. (English. Russian original) Zbl 1464.41001

Proc. Steklov Inst. Math. 312, 261-269 (2021); translation from Tr. Mat. Inst. Steklova 312, 272-281 (2021).
MSC:  41A05 41A63
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Harmonic interpolating wavelets in a ring. (English. Russian original) Zbl 1508.42041

Proc. Steklov Inst. Math. 308, Suppl. 1, 58-67 (2020); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 24, No. 4, 225-234 (2018).
MSC:  42C40 42B10 41A50
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Uniform approximation of the curvature of smooth plane curves with the use of partial Fourier sums. (English. Russian original) Zbl 1422.42004

Proc. Steklov Inst. Math. 303, Suppl. 1, S213-S215 (2018); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 23, No. 3, 253-256 (2017).
Reviewer: Liu Zheng (Anshan)
MSC:  42A10 41A55
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Uniform approximation of curvature of smooth planar curves. (English. Russian original) Zbl 1394.53006

Proc. Steklov Inst. Math. 300, Suppl. 1, S184-S186 (2018); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 22, No. 4, 254-256 (2016).
MSC:  53A04 41A99
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Interpolation wavelets in boundary value problems. (English. Russian original) Zbl 1415.42033

Proc. Steklov Inst. Math. 300, Suppl. 1, S172-S183 (2018); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 22, No. 4, 257-268 (2016).
MSC:  42C40 35C10 35J25
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Uniform approximation of curvature for smooth classes of plane curves. (English. Russian original) Zbl 1381.41010

Proc. Steklov Inst. Math. 297, Suppl. 1, S182-S185 (2017); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 21, No. 4, 273-276 (2015).
MSC:  41A15 41A05
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A solution class of the Euler equation in a torus with solenoidal velocity field. II. (English. Russian original) Zbl 1405.35152

Proc. Steklov Inst. Math. 296, Suppl. 1, S236-S242 (2017); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 21, No. 4 (2015).
MSC:  35Q31 76M60
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Ivan Ivanovich Eremin (January 22, 1933 – July 21, 2013). (English. Russian original) Zbl 1338.01029

Proc. Steklov Inst. Math. 289, Suppl. 1, S1-S8 (2015); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 20, No. 2, 5-12 (2014).
MSC:  01A70
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Fifty years of Schoenberg’s problem on the convergence of spline interpolation. (English. Russian original) Zbl 1323.41011

Proc. Steklov Inst. Math. 288, Suppl. 1, S222-S237 (2015); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 20, No. 1, 52-67 (2014).
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A solution class of the Euler equation in a torus with solenoidal velocity field. (English. Russian original) Zbl 1323.35140

Proc. Steklov Inst. Math. 288, Suppl. 1, S211-S221 (2015); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 20, No. 4, 60-70 (2014).
MSC:  35Q31 76M60
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Description of a helical motion of an incompressible nonviscous fluid. (English. Russian original) Zbl 1334.35217

Proc. Steklov Inst. Math. 288, Suppl. 1, S202-S210 (2015); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 20, No. 1, 43-51 (2014).
MSC:  35Q31 76B03
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Some solutions of continuum equations for an incompressible viscous medium. (English. Russian original) Zbl 1322.35110

Proc. Steklov Inst. Math. 287, Suppl. 1, S208-S223 (2014); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 19, No. 4, 48-63 (2013).
MSC:  35Q30 76D05 76D07
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On the mechanics of helical flows in an ideal incompressible nonviscous continuous medium. (English. Russian original) Zbl 1304.35525

Proc. Steklov Inst. Math. 284, Suppl. 1, S159-S174 (2014); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 18, No. 4, 120-134 (2012).
MSC:  35Q31 76D05
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On the 75th birthday of Academician of the Russian Academy of Sciences Yurii Sergeevich Osipov. (English. Russian original) Zbl 1296.01034

Proc. Steklov Inst. Math. 276, Suppl. 1, S1-S3 (2012); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 17, No. 2, 5-6 (2011).
MSC:  01A70
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Harmonic wavelets in boundary value problems for harmonic and biharmonic functions. (English. Russian original) Zbl 1254.35048

Proc. Steklov Inst. Math. 273, Suppl. 1, 142-159 (2011); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 16, No. 4 (2010).
MSC:  35C10 42C40 35J25
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Sharpening of the estimates for relative widths of classes of differentiable functions. (English. Russian original) Zbl 1208.46035

Proc. Steklov Inst. Math. 269, 235-246 (2010); translation from Trudy Mat. Inst. Steklova 269, 242-253 (2010).
MSC:  46E35 41A46
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Longitudinal-vortex unit vector fields from the class of axially symmetric fields. (English. Russian original) Zbl 1312.37016

Proc. Steklov Inst. Math. 264, Suppl. 1, S126-S132 (2009); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 14, No. 3, 92-98 (2008).
MSC:  37C10
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On the construction of unit longitudinal-vortex vector fields with the use of smooth mappings. (English. Russian original) Zbl 1312.37015

Proc. Steklov Inst. Math. 264, Suppl. 1, S116-S125 (2009); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 14, No. 3, 82-91 (2008).
MSC:  37C10
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Interpolating-orthogonal wavelet systems. (English. Russian original) Zbl 1312.42038

Proc. Steklov Inst. Math. 264, Suppl. 1, S107-S115 (2009); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 14, No. 3, 153-161 (2008).
MSC:  42C40
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Transformation that changes the geometric structure of a vector field. (English. Russian original) Zbl 1276.57029

Proc. Steklov Inst. Math. 266, Suppl. 1 (2009, Suppl. 2), 118-128 (2009); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 15, No. 1 (2009).
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The Dirichlet problem in a domain with a slit. (English. Russian original) Zbl 1232.42031

Proc. Steklov Inst. Math. 266, Suppl. 1 (2009, Suppl. 2), 103-117 (2009); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 15, No. 1 (2009).
MSC:  42C40 35J25 35B40
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On the equality of Kolmogorov and relative widths of classes of differentiable functions. (English. Russian original) Zbl 1192.46023

Math. Notes 86, No. 3, 432-439 (2009); translation from Mat. Zametki 86, No. 3, 456-465 (2009); erratum Math. Notes 87, No. 3, 452 (2010).
MSC:  46E15 41A46
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Approximations by polynomial and trigonometric splines of third order preserving some properties of approximated functions. (English. Russian original) Zbl 1237.65014

Proc. Steklov Inst. Math. 259, Suppl. 2, S231-S242 (2007); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 13, No. 2 (2007).
MSC:  65D15 65D07
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A new cubic element in the FEM. (English. Russian original) Zbl 1126.65100

Subbotin, Yu. N. (ed.), Function theory. Transl. from the Russian. Moscow: MAIK Nauka/ Interperiodica. Proc. Steklov Inst. Math. 2005, Suppl. 2, S176-S187 (2005); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 11, No. 2, 120-130 (2005).
MSC:  65N30 65N50 65N15
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Construction of wavelets in \(W_2^m(\mathbb R)\) and their approximative properties in different metrics. (English. Russian original) Zbl 1138.42018

Subbotin, Yu. N. (ed.), Function theory. Transl. from the Russian. Moscow: MAIK Nauka/ Interperiodica. Proc. Steklov Inst. Math. 2005, Suppl. 2, S64-S103 (2005); translation from Tr. Inst. Mat. Mekh. (Ekaterinburg) 11, No. 2, 131-167 (2005).
Reviewer: Bin Han (Edmonton)
MSC:  42C40
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On relative widths of classes of differentiable functions. (English. Russian original) Zbl 1121.41027

Studies on function theory and differential equations. Collected papers dedicated to the 100th birthday of academician Sergei Mikhailovich Nikol’skii. Transl. from the Russian. Moscow: Maik Nauka/Interperiodica. Proceedings of the Steklov Institute of Mathematics 248, 243-254 (2005); translation from Tr. Mat. Inst. Steklova 248, 250-261 (2005).
MSC:  41A46
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Approximation of derivatives by the derivatives of interpolating splines. (English. Russian original) Zbl 1124.41008

Function spaces, approximations, and differential equations. Collected papers dedicated to Oleg Vladimirovich Besov on his 70th birthday. Transl. from the Russian. Moscow: Maik Nauka/Interperiodika. Proceedings of the Steklov Institute of Mathematics 243, 309-322 (2003); translation from Tr. Mat. Inst. Steklova 243, 320-333 (2003).
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Splines and relative widths of classes of differentiable functions. (English) Zbl 1117.41013

Approximation theory: asymptotical expansions. Transl. from the Russian. Moscow: Maik Nauka/Interperiodica. Proceedings of the Steklov Institute of Mathematics 2001, Suppl. 1, S225-S234 (2001).
MSC:  41A15 41A46
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Wavelets which are orthonormal with respect to an inner product in the Sobolev space \(W_2^m\) of periodic functions. (English) Zbl 1124.42022

Approximation theory: asymptotical expansions. Transl. from the Russian. Moscow: Maik Nauka/Interperiodica. Proceedings of the Steklov Institute of Mathematics 2001, Suppl. 1, S71-S84 (2001).
MSC:  42C40 46E35
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Relative widths of classes of differentiable functions in the \(L^2\) metric. (English. Russian original) Zbl 1036.41013

Russ. Math. Surv. 56, No. 4, 767-769 (2001); translation from Usp. Mat. Nauk 56, No. 4, 159-160 (2001).
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Asymptotic behaviour of the Lebesgue constants of periodic interpolation splines with equidistant nodes. (English. Russian original) Zbl 0965.41006

Sb. Math. 191, No. 8, 1233-1242 (2000); translation from Mat. Sb. 191, No. 8, 131-140 (2000).
MSC:  41A15 41A44 41A60
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Wavelets in spaces of harmonic functions. (English. Russian original) Zbl 0968.42025

Izv. Math. 64, No. 1, 143-171 (2000); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 64, No. 1, 145-174 (2000).
MSC:  42C40 31A05
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Exact values of relative widths of classes of differentiable functions. (English. Russian original) Zbl 0967.42001

Math. Notes 65, No. 6, 731-738 (1999); translation from Mat. Zametki 65, No. 6, 871-879 (1999).
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B-spline in the finite element method. (English. Russian original) Zbl 0951.65121

Comput. Math. Math. Phys. 38, No. 1, 11-20 (1998); translation from Zh. Vychisl. Mat. Mat. Fiz. 38, No. 1, 15-24 (1998).
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Dependence of estimates of a multidimensional piecewise polynomial approximation on the geometric characteristics of the triangulation. (English. Russian original) Zbl 0716.41008

Proc. Steklov Inst. Math. 189, 135-159 (1990); translation from Tr. Mat. Inst. Steklova 189, 117-137 (1989).
MSC:  41A10 41A63 41A15
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Approximation in concrete and abstract Banach spaces. Collection of scientific works. (Approksimatsiya v konkretnykh i abstraktnykh banakhovykh prostranstvakh. Sbornik nauchnykh trudov.) (Russian) Zbl 0666.00009

Sverdlovsk (USSR): Ural’skij Nauchnyj Tsentr AN SSSR. 128 p. R. 1.40 (1987).
MSC:  00Bxx 41-06 46-06
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