Found 168 Documents (Results 1–100)

100
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A Petrov-Galerkin spectral method for fractional convection-diffusion equations with two-sided fractional derivative. (English)Zbl 1480.65356

MSC:  65N35 65N12 65N15
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Comparative analysis of two-sided estimates of the central binomial coefficient. (Russian. English summary)Zbl 1475.62117

MSC:  62F10 05A10 11B65
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Two-sided estimates of the central binomial coefficient. (Russian. English summary)Zbl 1470.05013

MSC:  05A10 05A15
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Mathematical filtration models for a quasilinear equation of a type of problems with a free boundary. (English)Zbl 07387687

MSC:  35R35 35K59 35B45
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Conditional optimal controls in enclosing solutions to boundary value problems with an uncertainty. (English)Zbl 1472.34126

MSC:  34K10 34K35
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On convergence of difference schemes for Dirichlet IBVP for two-dimensional quasilinear parabolic equations with mixed derivatives and generalized solutions. (English)Zbl 1451.65128

MSC:  65M12 65L20 65N12
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Moments of order statistics of the standard two-sided power distribution. (English)Zbl 07405695

MSC:  62-XX 62G30
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Criteria for exponential convergence to quasi-stationary distributions and applications to multi-dimensional diffusions. (English)Zbl 1452.60050

Donati-Martin, Catherine (ed.) et al., Séminaire de probabilités XLIX. Cham: Springer. Lect. Notes Math. 2215, 165-182 (2018).
MSC:  60J60 58J65 60J76
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New two-sided estimates of the gamma function and the number of $$n$$-combinations of $$2n$$ elements. Strong enveloping by an asymptotic series. (English. Russian original)Zbl 1396.33004

Math. Notes 103, No. 5, 852-855 (2018); translation from Mat. Zametki 103, No. 5, 785-789 (2018).
MSC:  33B15 41A60
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MSC:  53C42
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One-sided integral operators with homogeneous kernels in grand Lebesgue spaces. (Russian. English summary)Zbl 07259908

MSC:  47-XX 42-XX
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Two-sided estimates of gamma-function on the real semiaxis. (Russian. English summary)Zbl 1434.33005

MSC:  33B15 26D07
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Series associated to some expressions involving the volume of the unit ball and applications. (English)Zbl 1411.33002

MSC:  33B15 26D15 41A60
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Consistent two-sided estimates for the solutions of quasilinear parabolic equations and their approximations. (English. Russian original)Zbl 1379.65065

Differ. Equ. 53, No. 7, 964-973 (2017); translation from Differ. Uravn. 53, No. 7, 991-1000 (2017).
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On the uniqueness of complete two-sided hypersurfaces immersed in a class of weighted warped products. (English)Zbl 1385.53024

MSC:  53C20 53C40 35P15
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Further spectral properties of the matrix $$C^{-1}B$$ with positive definite $$C$$ and Hermitian $$B$$ applied to wider classes of matrices $$C$$ and $$B$$. (English)Zbl 1353.15019

MSC:  15A42 15B48 15B57
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Two-sided estimates of some coordinate splines. (English. Russian original)Zbl 1355.65025

J. Math. Sci., New York 216, No. 6, 770-782 (2016); translation from Zap. Nauchn. Semin. POMI 439, 74-92 (2015).
MSC:  65D07 41A15
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On Bernstein-type properties of complete hypersurfaces in weighted warped products. (English)Zbl 1337.53077

MSC:  53C42 53A07 35P15
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Spectral properties of the matrix $$C^{-1} B$$ with positive definite $$C$$ and Hermitian $$B$$ as well as applications. (English)Zbl 1334.65072

MSC:  65F15 15A42
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Nonconforming double set parameter finite element methods for a fourth order variational inequality with two-sided displacement obstacle. (English)Zbl 1333.65133

MSC:  65N30 65N15
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Sharp time estimates for exact boundary controllability of quasilinear hyperbolic systems. (English)Zbl 1326.93014

MSC:  93B05 35L04
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Variational principles and inequalities for the velocity of a steady viscous flow. (English. Russian original)Zbl 1325.76149

Fluid Dyn. 50, No. 1, 22-32 (2015); translation from Izv. Ross. Akad. Nauk, Mekh. Zhidk. Gaza 2015, No. 1, 26-35 (2015).
MSC:  76M30 76D07
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Estimates for the arctangent function related to Shafer’s inequality. (English)Zbl 1305.26010

MSC:  26A09 33B10 26D07
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Schütt’s theorem for vector-valued sequence spaces. (English)Zbl 1286.47015

MSC:  47B06 41A46
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Guaranteed and fully computable two-sided bounds of Friedrichs’ constant. (English)Zbl 1340.65252

Chleboun, J. (ed.) et al., Programs and algorithms of numerical mathematics 16. Proceedings of the 16th seminar (PANM), Dolní Maxov, Czech Republic, June 3–8, 2012. Prague: Academy of Sciences of the Czech Republic, Institute of Mathematics (ISBN 978-80-85823-62-2). 195-201 (2013).
MSC:  65N15 65N25 65N30
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On the Euler-Mascheroni constant. (English. Russian original)Zbl 1284.11164

Math. Notes 94, No. 5, 647-652 (2013); translation from Mat. Zametki 94, No. 5, 695-701 (2013).
MSC:  11Y60
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A complete proof of universal inequalities for the distribution function of the binomial law. (English. Russian original)Zbl 1280.60016

Theory Probab. Appl. 57, No. 3, 539-544 (2013); translation from Teor. Veroyatn. Primen. 57, No. 3, 597-602 (2012).
MSC:  60E05 60E15
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Yau’s work on heat kernels. (English)Zbl 1271.58011

Ji, Lizhen (ed.), Geometry and analysis, No. 1. Collected papers of the conference “Geometric analysis: Present and future” on the occasion of Shing-Tung Yau’s 60th birthday, Harvard University, Cambridge, MA, USA, August 27–September 1, 2008. Somerville, MA: International Press; Beijing: Higher Education Press (ISBN 978-1-57146-224-4/pbk). Advanced Lectures in Mathematics (ALM) 17, 113-117 (2011).
MSC:  58J35

Two-sided estimates for the solution of a nonlinear integral equation in a diffusion problem. (Russian, English)Zbl 1249.45009

Zh. Vychisl. Mat. Mat. Fiz. 51, No. 4, 661-668 (2011); translation in Comput. Math. Math. Phys. 51, No. 4, 616-623 (2011).
MSC:  45G10 35K57 45L05
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MSC:  49J40
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Two-sides estimates of the distribution function of $$s$$-values of a class of mixed type differential operators. (English)Zbl 1145.35092

MSC:  35M10 35G20 35P05
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Estimates on Green functions and Schrödinger-type equations for non-symmetric diffusions with measure-valued drifts. (English)Zbl 1118.35007

MSC:  35B45 35R05 35J25
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On the rate of the volume growth for symmetric viscous heat-conducting gas flows with a free boundary. (English)Zbl 1136.35464

MSC:  35R35 35B45 76N15
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On two-sided a posteriori estimates of computational errors for linear elliptic type boundary value problems. (English)Zbl 1088.65583

Simos, Theodore S. (ed.) et al., ICNAAM 2005. International conference on numerical analysis and applied mathematics 2005. Official conference of the European Society of Computational Methods in Sciences and Engineering (ESCMSE), Rhodes, Greek, September 16–20, 2005. Weinheim: Wiley-VCH (ISBN 3-527-40652-2/hbk). 222-225 (2005).

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Two-sided estimates of deviation from exact solutions of uniformly elliptic equations. (English. Russian original)Zbl 1039.65076

Transl., Ser. 2, Am. Math. Soc. 209, 143-171 (2003); translation from Tr. St-Peterbg. Mat. Obshch. 9, 148-179 (2001).
MSC:  65N15 35J25 65N30

Integral norms of trigonometric polynomials. (English. Russian original)Zbl 1047.42001

Math. Notes 70, No. 2, 275-282 (2001); translation from Mat. Zametki 70, No. 2, 308-315 (2001).
MSC:  42A05 42A32 26D05
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Convolution theorem and asymptotic efficiency in two-sided truncated distribution families. (Chinese. English summary)Zbl 1009.62020

MSC:  62F12 62G20

Two-sided estimates on solutions to an integro-differential equation which describes the process of hematogenic process. (English. Russian original)Zbl 1025.34082

Russ. Math. 45, No. 6, 55-59 (2001); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2001, No. 6, 58-62 (2001).

Entropy numbers of embeddings of Besov spaces in generalized Lipschitz spaces. (English)Zbl 1006.46027

MSC:  46E35 47B06
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Regularity of the inversion problem for the Sturm-Liouville difference equation. II: Two-sided estimates for the diagonal value of the Green function. (English)Zbl 0986.39001

MSC:  39A10 39A12 34B24
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A new kind of asymptotic efficiency in one-parameter two-sided truncated distribution families. (Chinese. English summary)Zbl 1009.62019

MSC:  62F12 62F10

Behavior of solutions to nonlinear elliptic systems of high order in octant-type domains. (Russian. English summary)Zbl 0952.35030

MSC:  35J40 35B40

On the best constant in the inf-sup condition for enlongated rectangular domains. (English. Russian original)Zbl 0979.76070

Math. Notes 67, No. 3, 325-332 (2000); translation from Mat. Zametki 67, No. 3, 387-396 (2000).
MSC:  76M99 76D07 65N15

A three-point boundary value problem with an integral condition for parabolic equations with the Bessel operator. (English)Zbl 0956.35072

MSC:  35K65 35K20 35A05
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Unconditional bases, the matrix Muckenhoupt condition and Carleson series in a spectrum. (English. Russian original)Zbl 1004.46021

J. Math. Sci., New York 110, No. 5, 2955-2978 (2002); translation from Zap. Nauchn. Semin. POMI 262, 90-126 (1999).
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Bounded solutions for a class of systems of integral equations arising in models of biological processes. (English. Russian original)Zbl 0968.45002

Differ. Equations 35, No. 6, 835-840 (1999); translation from Differ. Uravn. 35, No. 6, 831-836 (1999).
MSC:  45G15 45M05 92C30

Spaces of functions of generalized bounded variation. I.  Embedding theorems. Estimates for Lebesgue constants. (English. Russian original)Zbl 0944.46025

Sib. Math. J. 40, No. 5, 837-850 (1999); translation from Sib. Mat. Zh. 40, No. 5, 997-1011 (1999).

Variational principles for stiffnesses of a non-homogeneous beam. (English)Zbl 0954.74039

MSC:  74K10 74E05 74G10
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Two-sided probability estimate for the capacity of a bipolar network with unreliable elements. (English. Russian original)Zbl 0921.90078

Autom. Remote Control 58, No. 1, Pt. 2, 141-146 (1997); translation from Avtom. Telemekh. 1997, No. 1, 174-180 (1997).
MSC:  90B25 90B10

Determination of natural frequencies of internal waves in an essentially inhomogeneous fluid. (English. Russian original)Zbl 0933.76018

Fluid Dyn. 32, No. 6, 850-856 (1997); translation from Izv. Ross. Akad. Nauk, Mekh. Zhidk. Gaza 1997, No. 6, 112-119 (1997).
MSC:  76B55 76B70
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Two-sided estimates of solutions to systems with delay. (Russian)Zbl 0924.34067

MSC:  34K20 34K12 34D20

Two-sided methods based on defects. (English)Zbl 0900.65259

Alefeld, Götz (ed.) et al., Numerical methods and error bounds. Proceedings of the IMACS-GAMM international symposium, Oldenburg, Germany, July 9–12, 1995. Berlin: Akademie Verlag. Math. Res. 89, 64-73 (1996).

Two-sided estimates of solutions to systems with delay. (Russian)Zbl 0901.34069

MSC:  34K20 34K12 34D20

Effective solution to the Sturm-Liouville problem. (English. Russian original)Zbl 0887.65090

Phys.-Dokl. 41, No. 3, 112-114 (1996); translation from Dokl. Akad. Nauk 347, No. 1, 44-46 (1996).
MSC:  65L15 34L15

Spectrum of some singular differential operators. (English. Russian original)Zbl 0865.47001

Differ. Equations 31, No. 6, 1013-1014 (1995); translation from Differ. Uravn. 31, No. 6, 1082-1083 (1995).

A maximum principle for the equation of continuity of a compressible medium. (English. Russian original)Zbl 0886.76085

Russ. Acad. Sci., Dokl., Math. 50, No. 3, 451-457 (1995); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 339, No. 4, 446-450 (1994).
Reviewer: S.Benzoni (Lyon)
MSC:  76N10 35B50

Pivotal quantities for the substitution values of various entries, each in place of its best contender, given the standard analysis of variance model. (English)Zbl 0835.62057

MSC:  62J10 62F07 62P10
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Nonclassical two-sided exact estimates for the normalized eigenfunctions of the Sturm Liouville problem. (English. Russian original)Zbl 0841.34085

Mosc. Univ. Math. Bull. 48, No. 4, 37-43 (1993); translation from Vestn. Mosk. Univ., Ser. I. 1993, No. 4, 37-44 (1993).
MSC:  34L15 34B24

Distribution of zeros of solutions to a nonlinear system. (English. Russian original)Zbl 0797.34036

Differ. Equations 29, No. 2, 186-193 (1993); translation from Differ. Uravn. 29, No. 2, 232-239 (1993).
MSC:  34C10

Posterior two-sided estimates for eigenvalues of the singular Sturm-Liouville problem. (English. Russian original)Zbl 0841.34084

J. Math. Sci., New York 75, No. 4, 1812-1819 (1995); translation from Obchisl. Prikl. Mat. 76, 39-49 (1992).
MSC:  34L15 34B24 65L12
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Application of the second Lyapunov method for estimating the integral funnel of a system of differential equations. (Russian)Zbl 0826.34035

MSC:  34C11 34D20

Asymptotic and extremal properties of orthogonal polynomials in the presence of singularities in the weight. (English. Russian original)Zbl 0824.42020

Stechin, S. B. (ed.) Proceedings of an All-Union school on the theory of functions. Proc. Steklov Inst. Math. 198, 37-82 (1994); translation from Tr. Mat. Inst. Steklova 198, 41-88 (1992).

Asymptotics of nonlinearities and operator equations. (Asimptotika nelinejnostej i operatornye uravneniya.) (Russian. English summary)Zbl 0892.47062

Moskva: Nauka. 254 p. (1992).

Endomorphisms of the semimodule of bounded functions. (English)Zbl 0817.47040

Maslov, V. P. (ed.) et al., Idempotent analysis. Transl. ed. by A.B. Sossinskij. Providence, RI: American Mathematical Society. Adv. Sov. Math. 13, 47-63 (1992).

On the negative spectrum of an elliptic operator. (Russian)Zbl 0777.35043

MSC:  35P15 47F05

On the negative spectrum of an elliptic operator. (English. Russian original)Zbl 0784.35069

Mosc. Univ. Mech. Bull. 47, No. 2, 51-53 (1992); translation from Vestn. Mosk. Univ., Ser. I 1992, No. 2, 88-91 (1992).
MSC:  35P15 47F05

Asymptotics of the discrete spectrum of the Hamiltonians of multiparticle quantum systems in a homogeneous magnetic field. (English. Russian original)Zbl 0791.47058

St. Petersbg. Math. J. 3, No. 6, 1313-1349 (1992); translation from Algebra Anal. 3, No. 6, 119-154 (1991).
MSC:  47N50 81Q10 81Q15

Asymptotics of the discrete spectrum of the Hamiltonians of many - particle quantum systems in a homogeneous magnetic field. (Russian)Zbl 0758.47054

MSC:  47N50 81Q10 81Q15

A-priori estimates for the solutions of a class of nonlinear convolution equations. (English)Zbl 0757.45003

MSC:  45G10 45D05
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MSC:  65F15

MSC:  62L10
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On Kneser-type solutions of sublinear ordinary differential equations. (English)Zbl 0696.34034

MSC:  34C99 34A34
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Lyapunov’s second method for estimating the reachability regions of nonlinear systems. (English. Russian original)Zbl 0737.93010

Autom. Remote Control 51, No. 6, 746-754 (1990); translation from Avtom. Telemekh. 1990, No. 6, 32-41 (1990).
MSC:  93B05 93C10

Connection between the projection-iterative method and the KP-method for an equation of the second kind. (Russian)Zbl 0770.65039

Current problems in approximation theory and complex analysis, Collect. Sci. Works, 113-123 (1990).
MSC:  65J10 47A50

On the eigenvalues of elliptic differential operators in limit- cylindrical domains. (English. Russian original)Zbl 0777.35046

Sov. Math., Dokl. 40, No. 2, 269-272 (1990); translation from Dokl. Akad. Nauk SSSR 308, No. 1, 11-14 (1989).
MSC:  35P20 35J40

Two-sided estimates for the reliability of a renewable system under a nonstationary operational regime. (English. Russian original)Zbl 0704.62092

Sov. J. Comput. Syst. Sci. 27, No. 6, 168-170 (1989); translation from Izv. Akad. Nauk SSSR, Tekh. Kibern. 1989, No. 2, 198-199 (1989).
MSC:  62N05 60K10

Properties of Green’s function of a Sturm-Liouville operator and their applications. (English. Russian original)Zbl 0703.34035

Differ. Equations 25, No. 7, 773-779 (1989); translation from Differ. Uravn. 25, No. 7, 1107-1114 (1989).
Reviewer: J.Appell
MSC:  34B24 34B27

On coercive estimates of solutions of difference equations. (English. Russian original)Zbl 0692.39004

Proc. Steklov Inst. Math. 181, 265-274 (1989); translation from Tr. Mat. Inst. Steklova 181, 241-249 (1988).

On the approximation numbers of Sobolev embeddings for irregular domains. (English)Zbl 0681.46033

Reviewer: H.Triebel
MSC:  46E35 47B10
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Estimates of best uniform approximation by sums of functions of a lesser number of variables. (Russian)Zbl 0752.41023

Special questions of function theory, 4, Baku, 38-46 (1989).
MSC:  41A50 41A30

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