## Found 57,474 Documents (Results 1–100)

100
MathJax

### Trigonometric approximation of functions in $$L_1$$-norm. (English)Zbl 07551291

MSC:  41A25 42A10 40G05
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### On approximation properties of Fourier series in Jacobi polynomials $$P_n^{\alpha-r,-r}(x)$$ orthogonal in the sense of Sobolev. (English. Russian original)Zbl 07550597

Math. Notes 111, No. 6, 827-840 (2022); translation from Mat. Zametki 111, No. 6, 803-818 (2022).
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### Optimal recovery of functions from numerical information on them and limiting error of the optimal computing unit. (English. Russian original)Zbl 07550590

Math. Notes 111, No. 5, 759-767 (2022); translation from Mat. Zametki 111, No. 5, 752-761 (2022).
MSC:  41Axx 65Dxx 46Exx
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### Approximation of generalized Szász-Mirakjan operators depending on certain parameters. (English)Zbl 07550575

MSC:  41A10 41A25 41A36
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### Universal approximation of symmetric and anti-symmetric functions. (English)Zbl 07549727

MSC:  41A25 41A29 41A63
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### On exact constant in Dzyadyk inequality for the derivative of an algebraic polynomial. (Ukrainian. English summary)Zbl 07549641

MSC:  41A10 41A05 41A17
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### Extremal functional $$L_p$$-interpolation on an arbitrary mesh on the real axis. (English. Russian original)Zbl 07549439

Sb. Math. 213, No. 4, 556-577 (2022); translation from Mat. Sb. 213, No. 4, 123-144 (2022).
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### Sublinear measures, Menger curvature, and Hausdorff dimension. (English)Zbl 07549010

MSC:  28-XX 41-XX
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### Smooth approximation of quaternionic plurisubharmonic functions. (English)Zbl 07548750

MSC:  31C10 41-XX
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### Archimedean zeta functions and oscillatory integrals. (English)Zbl 07548732

Galindo, Carlos (ed.) et al., $$p$$-adic analysis, arithmetic and singularities. UIMP-RSME, Lluís A. Santaló summer school, Universidad Internacional Menéndez Pelayo, Santander, Spain, June 24–28, 2019. Providence, RI: American Mathematical Society (AMS); Madrid: Real Sociedad Matemática Española (RSME). Contemp. Math. 778, 3-24 (2022).
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### Analysis of approximate solution for a class of systems of integral equations. (English. Russian original)Zbl 07547996

Comput. Math. Math. Phys. 62, No. 5, 811-826 (2022); translation from Zh. Vychisl. Mat. Mat. Fiz. 62, No. 5, 838-853 (2022).
MSC:  41A55 35-XX 45-XX
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### Approximating the decreasing rearrangement. (English)Zbl 07547801

MSC:  28A20 41A99
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### Some equivalent conditions of proximinality in nonreflexive Banach spaces. (English)Zbl 07547423

MSC:  41A65 46B20
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### On Bernstein inequalities for multivariate trigonometric polynomials in $$L_p$$, $$0\leq p\leq\infty$$. (English)Zbl 07547214

MSC:  41A10 41A17
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### On deferred statistical $$A$$-convergence of fuzzy sequence and applications. (English)Zbl 07547170

MSC:  40Axx 41Axx 26Exx
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### Convergence of generalized sampling series in weighted spaces. (English)Zbl 07546988

MSC:  41A25 41A35
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### Stability of $$E$$-proximinality. (English)Zbl 07546771

MSC:  46B20 41A50 41A65
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### A new class of interpolatory Hermite subdivision schemes reproducing polynomials. (English)Zbl 07546436

MSC:  41A05 65D15 65D17
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### Bézier variant of Bernstein-Durrmeyer blending-type operators. (English)Zbl 07545956

MSC:  41A25 26A15 41A30
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### Polynomial mapped bases: theory and applications. (English)Zbl 07545028

MSC:  41A05 41A10
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### Voronovskaya-type results for positive linear operators of exponential type and their derivatives. (English)Zbl 07544777

MSC:  41A36 41A28
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### Fundamental functions of almost greedy bases of $$L_p$$ for $$1<p< \infty$$. (English)Zbl 07544742

MSC:  46B15 46A35 41A65
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### Construction of discontinuity detectors using convolutional neural networks. (English)Zbl 07544562

MSC:  41Axx 35Lxx 65Dxx
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### An averaging principle for neutral stochastic fractional order differential equations with variable delays driven by Lévy noise. (English)Zbl 07544528

MSC:  41A60 60H15
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### Accuracy raising technique for multivariate spline quasi-interpolants over type-2 triangulations. (English)Zbl 07544124

MSC:  41A25 65D05 65M06
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### Matrix and tensor rigidity and $$L_p$$-approximation. (English)Zbl 07543655

MSC:  41Axx 68Qxx 41-XX
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### Kolmogorov widths of intersections of finite-dimensional balls. (English)Zbl 07543653

MSC:  41Axx 46Bxx 46Exx
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### Generalized M. A. Lavrentiev’s inequality. (English. Ukrainian original)Zbl 07543071

J. Math. Sci., New York 262, No. 2, 138-153 (2022); translation from Ukr. Mat. Visn. 19, No. 1, 14-34 (2022).
MSC:  30Cxx 30-XX 41Axx
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### Construction of approximation functionals for minimal splines. (English. Russian original)Zbl 07543066

J. Math. Sci., New York 262, No. 1, 84-98 (2022); translation from Zap. Nauchn. Semin. POMI 504, 136-156 (2021).
MSC:  65Dxx 41Axx 41-XX
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### An elastic flow for nonlinear spline interpolations in $$\mathbb{R}^n$$. (English)Zbl 07542904

MSC:  35K55 41A15
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### Bounds for the Kolmogorov widths of the Sobolev weighted classes with conditions on the zero and highest derivatives. (English)Zbl 07542715

MSC:  46E35 41A46 47B06
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### Geometry of the singular set of hypersurfaces and the eikonal equation. (English)Zbl 07542714

MSC:  41Axx 35Fxx 54Cxx
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### Construction of Bézier surfaces with energy-minimizing diagonal curves from given boundary. (English)Zbl 07542696

MSC:  65Dxx 53Axx 41Axx
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### Meshless procedure for highly oscillatory kernel based one-dimensional Volterra integral equations. (English)Zbl 07542687

MSC:  41Axx 65Rxx 65Dxx
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### On approximation properties of a Stancu generalization of Szasz-Mirakyan-Bernstein operators. (English)Zbl 07542538

J. Math. Sci., New York 260, No. 5, 700-710 (2022) and Ukr. Mat. Visn. 18, No. 4, 569-582 (2021).
MSC:  41Axx
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### On some approximation properties of Gauss-Weierstrass singular operators. (English)Zbl 07542537

J. Math. Sci., New York 260, No. 5, 693-699 (2022) and Ukr. Mat. Visn. 18, No. 4, 560-568 (2021).
MSC:  41Axx 42Axx 31Axx
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### The order of comonotone approximation of differentiable periodic functions. (English. Ukrainian original)Zbl 07542534

J. Math. Sci., New York 260, No. 5, 651-661 (2022); translation from Ukr. Mat. Visn. 18, No. 4, 505-517 (2021).
MSC:  41Axx 42Axx 41-XX
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### Constructive description of Hölder classes on compact subsets of $$\mathbb{R}^3$$. (English. Russian original)Zbl 07542505

J. Math. Sci., New York 261, No. 6, 808-825 (2022); translation from Zap. Nauchn. Semin. POMI 491, 119-144 (2020).
MSC:  30Exx 41Axx 26Exx
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### Sharp estimates of approximation by abstract Kantorovich type operators in terms of the second modulus of continuity. (English. Russian original)Zbl 07542503

J. Math. Sci., New York 261, No. 6, 773-791 (2022); translation from Zap. Nauchn. Semin. POMI 491, 66-93 (2020).
MSC:  41Axx 41-XX
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### Estimates for constant in Jackson type inequality for periodic functions. (English. Russian original)Zbl 07542499

J. Math. Sci., New York 261, No. 6, 731-745 (2022); translation from Zap. Nauchn. Semin. POMI 491, 5-26 (2020).
MSC:  41Axx 42Axx 26Dxx
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### Certified dimension reduction in nonlinear Bayesian inverse problems. (English)Zbl 07541892

MSC:  62C10 91G60 41-02
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### Galerkin methods for the numerical solution of the Schrödinger equation by using trigonometric B-splines. (English)Zbl 07541773

MSC:  35C08 41A15 65M60
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### Solutions of fluid flow problem over a generalized stretching or shrinking sheet with heat transfer using cubic and quartic B-spline collocation methods. (English)Zbl 07541701

MSC:  41A15 76Dxx 80A20
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### Approximate optimality bilinear extremal problems in Banach spaces. (English)Zbl 07541097

MSC:  46G25 41A65
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### Complete asymptotic expansions related to the probability density function of the $$chi^2$$-distribution. (English)Zbl 07541056

MSC:  62E17 41A60 33B15
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### On a finite element approximation for the elastoplastic torsion problem. (English)Zbl 07540974

MSC:  65-XX 41-XX
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### Reproduction capabilities of penalized hyperbolic-polynomial splines. (English)Zbl 07540949

MSC:  41-XX 65-XX
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### Multivariate quadrature rules on crosslet sparse grids. (English)Zbl 07540324

MSC:  65D30 65D32 41A05
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### Potential theory with multivariate kernels. (English)Zbl 07540310

MSC:  31-XX 41A05
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### A new family of generalized quadrature methods for solving nonlinear equations. (English)Zbl 07539555

MSC:  41A25 65D99 65H05
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### A novel spectral method and error analysis for fourth-order equations in a spherical region. (English)Zbl 07538482

MSC:  65-XX 41-XX
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### High-order close evaluation of Laplace layer potentials: a differential geometric approach. (English)Zbl 07538376

MSC:  65R20 41A55
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### On the connection problem for the second Painlevé equation with large initial data. (English)Zbl 07538354

MSC:  33E17 34M55 41A60
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### Error bounds for Gaussian quadrature formulae with Legendre weight function for analytic integrands. (English)Zbl 07538256

MSC:  65D32 65D30 41A55
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### A remark on the paper “Vector-valued operators with singular kernel and Triebel-Lizorkin block spaces with variable exponents” by Kwok Pun Ho. (English)Zbl 07538238

MSC:  42B35 41A17
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### On uniform monotone approximation of continuous monotone functions with the help of translations and dilations of the Laplace integral. (English. Russian original)Zbl 07538079

Comput. Math. Math. Phys. 62, No. 4, 564-580 (2022); translation from Zh. Vychisl. Mat. Mat. Fiz. 62, No. 4, 580-596 (2022).
MSC:  41-XX 26-XX
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### Generalizations of Bernstein-type inequalities for polynomials involving the polar derivative. (English. Russian original)Zbl 07538040

Sib. Math. J. 63, No. 3, 575-582 (2022); translation from Sib. Mat. Zh. 63, No. 3, 690-698 (2022).
MSC:  30Cxx 30Axx 41Axx
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### On the constants in the inverse theorems for the norms of derivatives. (English. Russian original)Zbl 07538029

Sib. Math. J. 63, No. 3, 438-450 (2022); translation from Sib. Mat. Zh. 63, No. 3, 531-544 (2022).
MSC:  41Axx 42Axx 46Exx
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### $$\mathring{B}$$-complete sets: approximative and structural properties. (English. Russian original)Zbl 07538026

Sib. Math. J. 63, No. 3, 412-420 (2022); translation from Sib. Mat. Zh. 63, No. 3, 500-509 (2022).
MSC:  41Axx 46Bxx 46Axx
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