## Found 20,851 Documents (Results 1–100)

100
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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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### On the continuity of Fourier multipliers on $$\dot{W}^{l,1}(\mathbb{R}^d)$$ and $$\dot{W}^{l,\infty}(\mathbb{R}^d)$$. (English)Zbl 07550017

MSC:  42B15 42B05 46E35
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### The divergence equation with $$L^{\infty}$$ source. (English)Zbl 07549946

MSC:  42B37 42B05
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MSC:  42C10
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### Simulation of a cylindrical slow extraordinary wave in cold magnetoactive plasma. (English. Russian original)Zbl 07547999

Comput. Math. Math. Phys. 62, No. 5, 845-860 (2022); translation from Zh. Vychisl. Mat. Mat. Fiz. 62, No. 5, 872-888 (2022).
MSC:  76-XX 82-XX
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### Grouped transformations and regularization in high-dimensional explainable ANOVA approximation. (English)Zbl 07547927

MSC:  65Txx 42B05
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### Approximation of integrable functions by general linear matrix operators of their Fourier series. (English)Zbl 07546987

MSC:  42A24 42A10
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### Solving 2nd order BVPs in planar irregular domains. (English)Zbl 07545892

MSC:  65-XX 35-XX
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MSC:  60G05
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### Uniform convergence of sine integral-series. (English)Zbl 07543552

MSC:  40A10 42B10 42A38
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### Rationality of the Petersson inner product of Cohen’s kernels. (English)Zbl 07543082

MSC:  11F11 11F30 11F67
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### An analogy of the Carleson-Hunt theorem with respect to Vilenkin systems. (English)Zbl 07542656

MSC:  42C10 42B25
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### Boundary-value problem for the Aller-Lykov nonlocal moisture transfer equation. (English. Russian original)Zbl 07542511

J. Math. Sci., New York 260, No. 3, 300-306 (2022); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 167, 27-33 (2019).
MSC:  35R11 35B45 35C10
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### On the rate of decay of a Meyer scaling function. (English. Russian original)Zbl 07542502

J. Math. Sci., New York 261, No. 6, 763-772 (2022); translation from Zap. Nauchn. Semin. POMI 491, 52-65 (2020).
MSC:  42A38 42A16 42C40
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### Littlewood-Paley-Rubio de Francia inequality for the two-parameter Walsh system. (English. Russian original)Zbl 07542500

J. Math. Sci., New York 261, No. 6, 746-756 (2022); translation from Zap. Nauchn. Semin. POMI 491, 27-42 (2020).
MSC:  42C10 42B25 60G42
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### Lipschitz class functions and their general Fourier coefficients. (English)Zbl 07541638

MSC:  42A16 42C10
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### Refinements of Huygens-Wilker-Lazarović inequalities via the hyperbolic cosine polynomials. (English)Zbl 07541049

MSC:  42B05 26D05
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### A defaultable bond model with cyclical fluctuations in the spread process. (English)Zbl 07541015

MSC:  91Gxx 91Bxx 60Hxx
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### Norm-inflation results for purely BBM-type Boussinesq systems. (English)Zbl 07540672

MSC:  35Qxx 76Bxx 35Bxx
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### Bi-parameter trilinear Fourier multipliers and pseudo-differential operators with flag symbols. (English)Zbl 07540298

MSC:  42B15 47G30 26D15
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### Fourier coefficients of the Siegel Eisenstein series of degree 2 with odd prime level, corresponding to the middle cusp. (English)Zbl 07539473

MSC:  11F30 11F46
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### Derivatives of Eisenstein series of weight 2 and intersections of modular correspondences. (English)Zbl 07539471

MSC:  11F30 11F32
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### Remarks on the rightmost critical value of the triple product $$L$$-function. (English)Zbl 07538670

MSC:  11F67 11F46 11F30
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### Explicit inner product formulas and Bessel period formulas for HST lifts. (English)Zbl 07538236

MSC:  11F27 11F67
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### Approximation properties of the Vallée-Poussin means similar to the partial sums of Fourier series in Laguerre-Sobolev polynomials. (English. Russian original)Zbl 07538030

Sib. Math. J. 63, No. 3, 451-465 (2022); translation from Sib. Mat. Zh. 63, No. 3, 545-561 (2022).
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### Spectral semi-discretization algorithm for a class of nonlinear parabolic PDEs with applications. (English)Zbl 07537588

MSC:  65M70 41A10 41A58
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### Differentiable functions and their Fourier coefficients. (English)Zbl 07536935

MSC:  42A16 42C10
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### Approximation of functions and conjugate of functions using product mean $$(E, q)(E, q)(E, q)$$. (English)Zbl 07535418

MSC:  41A25 42A10
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### On the Rajchman property for self-similar measures on $$\mathbb{R}^d$$. (English)Zbl 07534693

MSC:  28A80 42A16
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### Kernel density estimation for circular data: a Fourier series-based plug-in approach for bandwidth selection. (English)Zbl 07531539

MSC:  62G07 62G20
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### Fully distributed neural control of periodically time-varying parameterized stochastic nonlinear multi-agent systems with hybrid-order dynamics. (English)Zbl 07531245

MSC:  93Cxx 93Axx 68Txx
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### On a mixed problem for Hilfer type fractional differential equation with degeneration. (English)Zbl 07530758

MSC:  35R11 35C10 35G16
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### Accuracy of the Laplace transform method for linear neutral delay differential equations. (English)Zbl 07529444

MSC:  65-XX 34-XX
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### Nonparametric estimation of the expected discounted penalty function in the compound Poisson model. (English)Zbl 07524971

MSC:  62G05 62P05 91G70
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### On Weissler’s conjecture on the Hamming cube. I. (English)Zbl 07524755

MSC:  42C10 42B35 47D03
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### A separation lemma on sub-lattices. (English)Zbl 07524169

MSC:  35B15 35L20 35L71
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### On the absolute convergence of general Fourier series. (English)Zbl 07523937

MSC:  42C05 42C10
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### Operating functions on $$A^q_s(\mathbf{T})$$. (English)Zbl 07523757

MSC:  42A20 42B35 47B38
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### Sharp Hardy’s type inequality for Laguerre expansions. (English)Zbl 07522800

MSC:  33C45 42B30 42C10
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MSC:  34K13
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### $$M$$-positive sets in $$\mathbb{R}^d$$. (English. Russian original)Zbl 07518154

Math. Notes 111, No. 4, 643-647 (2022); translation from Mat. Zametki 111, No. 4, 631-635 (2022).
MSC:  42C10
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### Rogosinsky-Bernstein polynomial method of summation of trigonometric Fourier series. (English. Russian original)Zbl 07518148

Math. Notes 111, No. 4, 604-615 (2022); translation from Mat. Zametki 111, No. 4, 592-605 (2022).
MSC:  42A24 42A38 42A10
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### Local versions of the Wiener-Lévy theorem. (English)Zbl 07517858

MSC:  42B10 42B05
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### An exact constant on the estimation of the approximation of classes of periodic functions of two variables by Ceśaro means. (English)Zbl 07517853

MSC:  42B08 42B05 40G05
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### A variant of the Fourier series in a spherical domain and its application to modeling the evaporation of a water droplet. (English. Russian original)Zbl 07517587

Differ. Equ. 58, No. 2, 207-226 (2022); translation from Differ. Uravn. 58, No. 2, 204-222 (2022).
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### A Taylor method for stochastic differential equations with time-dependent delay via the polynomial condition. (English)Zbl 07517491

MSC:  41A25 41A58 60H10
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MSC:  60Hxx
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### Dilations of (dual) Hilbert-Schmidt frames. (English)Zbl 07517129

MSC:  42C15 41A58 46C05
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### Extremizers for adjoint restriction to pairs of translated paraboloids. (English)Zbl 07516720

MSC:  42B10 26D15
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### Some new results and inequalities for subsequences of Nörlund logarithmic means of Walsh-Fourier series. (English)Zbl 07512185

MSC:  26D15 42C10 42B30
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### An exact Schur complement method for time-harmonic optimal control problems. (English)Zbl 07511624

Lirkov, Ivan (ed.) et al., Large-scale scientific computing. 13th international conference, LSSC 2021, Sozopol, Bulgaria, June 7–11, 2021. Revised selected papers. Cham: Springer. Lect. Notes Comput. Sci. 13127, 91-100 (2022).
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### On the Fourier coefficients of certain Hilbert modular forms. (English)Zbl 07510930

MSC:  11F30 11F41 11F66
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### Bochner-Riesz means for the Hermite and special Hermite expansions. (English)Zbl 07507729

MSC:  42C10 42B08 42B15
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### Summation of certain trigonometric series with logarithmic coefficients. (English)Zbl 07506409

MSC:  42A20 42A24 42A32
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### On almost-everywhere convergence of Malmquist-Takenaka series. (English)Zbl 07505266

MSC:  42A20 42A50
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