Unuchek, S. A. Optimal recovery methods exact on trigonometric polynomials for the solution of the heat equation. (English. Russian original) Zbl 07664488 Math. Notes 113, No. 1, 116-128 (2023); translation from Mat. Zametki 113, No. 1, 118-131 (2023). MSC: 35Jxx 41Axx 35Rxx PDF BibTeX XML Cite \textit{S. A. Unuchek}, Math. Notes 113, No. 1, 116--128 (2023; Zbl 07664488); translation from Mat. Zametki 113, No. 1, 118--131 (2023) Full Text: DOI OpenURL
Vasil’eva, A. A. Kolmogorov widths of intersections of finite-dimensional balls. (English) Zbl 07543653 J. Complexity 72, Article ID 101649, 15 p. (2022). MSC: 41A46 46B20 PDF BibTeX XML Cite \textit{A. A. Vasil'eva}, J. Complexity 72, Article ID 101649, 15 p. (2022; Zbl 07543653) Full Text: DOI OpenURL
Vasil’eva, A. A. Bounds for the Kolmogorov widths of the Sobolev weighted classes with conditions on the zero and highest derivatives. (English) Zbl 1500.46029 Russ. J. Math. Phys. 29, No. 2, 249-279 (2022). MSC: 46E35 41A46 47B06 PDF BibTeX XML Cite \textit{A. A. Vasil'eva}, Russ. J. Math. Phys. 29, No. 2, 249--279 (2022; Zbl 1500.46029) Full Text: DOI OpenURL
Vasil’eva, A. A. Kolmogorov widths of the intersection of two finite-dimensional balls. (English. Russian original) Zbl 1479.41018 Russ. Math. 65, No. 7, 17-23 (2021); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2021, No. 7, 23-29 (2021). Reviewer: Yuri A. Farkov (Moskva) MSC: 41A45 46B45 PDF BibTeX XML Cite \textit{A. A. Vasil'eva}, Russ. Math. 65, No. 7, 17--23 (2021; Zbl 1479.41018); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2021, No. 7, 23--29 (2021) Full Text: DOI arXiv OpenURL
Shabozov, M. Sh.; Kadamshoev, N. U. Sharp inequalities between the best root-mean-square approximations of analytic functions in the disk and some smoothness characteristics in the Bergman space. (English. Russian original) Zbl 1477.41006 Math. Notes 110, No. 2, 248-260 (2021); translation from Mat. Zametki 110, No. 2, 266-281 (2021). MSC: 41A17 30E10 41A25 PDF BibTeX XML Cite \textit{M. Sh. Shabozov} and \textit{N. U. Kadamshoev}, Math. Notes 110, No. 2, 248--260 (2021; Zbl 1477.41006); translation from Mat. Zametki 110, No. 2, 266--281 (2021) Full Text: DOI OpenURL
Trynin, A. Yu. Sufficient conditions for convergence of generalized sinc-approximations on segment. (English. Russian original) Zbl 1466.41003 J. Math. Sci., New York 255, No. 4, 513-533 (2021); translation from Probl. Mat. Anal. 108, 149-166 (2021). Reviewer: Martin D. Buhmann (Gießen) MSC: 41A05 PDF BibTeX XML Cite \textit{A. Yu. Trynin}, J. Math. Sci., New York 255, No. 4, 513--533 (2021; Zbl 1466.41003); translation from Probl. Mat. Anal. 108, 149--166 (2021) Full Text: DOI OpenURL
Vasil’eva, Anastasia A. Kolmogorov widths of intersections of weighted Sobolev classes on an interval with conditions on the zeroth and first derivatives. (English. Russian original) Zbl 1460.41014 Izv. Math. 85, No. 1, 1-23 (2021); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 85, No. 1, 3-26 (2021). Reviewer: Yuri A. Farkov (Moskva) MSC: 41A46 PDF BibTeX XML Cite \textit{A. A. Vasil'eva}, Izv. Math. 85, No. 1, 1--23 (2021; Zbl 1460.41014); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 85, No. 1, 3--26 (2021) Full Text: DOI OpenURL
Trynin, A. Yu. On the uniform approximation of functions of bounded variation by Lagrange interpolation polynomials with a matrix \({\mathcal L}_n^{(\alpha_n,\beta_n)}\) of Jacobi nodes. (English. Russian original) Zbl 1466.41002 Izv. Math. 84, No. 6, 1224-1249 (2020); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 84, No. 6, 197-222 (2020). Reviewer: Antonio López-Carmona (Granada) MSC: 41A05 PDF BibTeX XML Cite \textit{A. Yu. Trynin}, Izv. Math. 84, No. 6, 1224--1249 (2020; Zbl 1466.41002); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 84, No. 6, 197--222 (2020) Full Text: DOI OpenURL
Trynin, Aleksandr Yur’evich Convergence of the Lagrange-Sturm-Liouville processes for continuous functions of bounded variation. (Russian. English summary) Zbl 1463.41008 Vladikavkaz. Mat. Zh. 20, No. 4, 76-91 (2018). MSC: 41A05 41A58 94A12 PDF BibTeX XML Cite \textit{A. Y. Trynin}, Vladikavkaz. Mat. Zh. 20, No. 4, 76--91 (2018; Zbl 1463.41008) Full Text: DOI MNR OpenURL
Dorai, Abderraouf; Chil, Elmiloud; Wójtowicz, Marek Korovkin-type approximation theory in Riesz spaces. (English) Zbl 1491.46005 Mediterr. J. Math. 15, No. 4, Paper No. 169, 1-14 (2018). MSC: 46A40 06F25 41A35 PDF BibTeX XML Cite \textit{A. Dorai} et al., Mediterr. J. Math. 15, No. 4, Paper No. 169, 1--14 (2018; Zbl 1491.46005) Full Text: DOI OpenURL
Israfilov, Daniyal M.; Testici, Ahmet Approximation problems in the Lebesgue spaces with variable exponent. (English) Zbl 1395.46023 J. Math. Anal. Appl. 459, No. 1, 112-123 (2018). Reviewer: Francisco Pérez Acosta (La Laguna) MSC: 46E30 41A10 PDF BibTeX XML Cite \textit{D. M. Israfilov} and \textit{A. Testici}, J. Math. Anal. Appl. 459, No. 1, 112--123 (2018; Zbl 1395.46023) Full Text: DOI OpenURL
Wiśniewska, Halina; Wójtowicz, Marek Approximations of the Korovkin type in Banach lattices. (English) Zbl 1312.41032 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 109, No. 1, 125-134 (2015). MSC: 41A36 41A65 46B42 47B65 PDF BibTeX XML Cite \textit{H. Wiśniewska} and \textit{M. Wójtowicz}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 109, No. 1, 125--134 (2015; Zbl 1312.41032) Full Text: DOI OpenURL
Romanyuk, A. S. On the problem of linear widths of the classes \(B_{p,\theta}^r\) of periodic functions of many variables. (English. Ukrainian original) Zbl 1309.41014 Ukr. Math. J. 66, No. 7, 1085-1098 (2014); translation from Ukr. Mat. Zh. 66, No. 7, 970-982 (2014). MSC: 41A46 42A10 PDF BibTeX XML Cite \textit{A. S. Romanyuk}, Ukr. Math. J. 66, No. 7, 1085--1098 (2014; Zbl 1309.41014); translation from Ukr. Mat. Zh. 66, No. 7, 970--982 (2014) Full Text: DOI OpenURL