Nasiri, T.; Zakeri, A.; Aminataei, A. A numerical solution for a quasi solution of the time-fractional stochastic backward parabolic equation. (English) Zbl 07750618 J. Comput. Appl. Math. 437, Article ID 115441, 20 p. (2024). Reviewer: Abdallah Bradji (Annaba) MSC: 65M32 65M30 65M06 65T60 65K10 65J20 65F22 65M12 65M15 60G22 35A15 41A50 35A01 35A02 35R30 26A33 35R11 35R60 PDF BibTeX XML Cite \textit{T. Nasiri} et al., J. Comput. Appl. Math. 437, Article ID 115441, 20 p. (2024; Zbl 07750618) Full Text: DOI
Khuromonov, Kh. M. On the best simultaneous approximation of functions in the Bergman space \(B_2\). (English. Russian original) Zbl 07763823 Russ. Math. 67, No. 5, 50-59 (2023); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2023, No. 5, 71-81 (2023). MSC: 42A10 41A10 41A50 42A75 30H05 PDF BibTeX XML Cite \textit{Kh. M. Khuromonov}, Russ. Math. 67, No. 5, 50--59 (2023; Zbl 07763823); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2023, No. 5, 71--81 (2023) Full Text: DOI
Morozov, Stanislav; Smirnov, Matvey; Zamarashkin, Nikolai On the optimal rank-1 approximation of matrices in the Chebyshev norm. (English) Zbl 07761748 Linear Algebra Appl. 679, 4-29 (2023). MSC: 41A50 65F30 PDF BibTeX XML Cite \textit{S. Morozov} et al., Linear Algebra Appl. 679, 4--29 (2023; Zbl 07761748) Full Text: DOI arXiv
Babayan, N. M.; Ginovyan, M. S. On the transfinite diameters of related sets. An extension of Robinson’s theorem. (English) Zbl 07760678 J. Contemp. Math. Anal., Armen. Acad. Sci. 58, No. 2, 93-100 (2023) and Izv. Nats. Akad. Nauk Armen., Mat. 58, No. 2, 3-13 (2023). MSC: 30C10 30C85 41A50 PDF BibTeX XML Cite \textit{N. M. Babayan} and \textit{M. S. Ginovyan}, J. Contemp. Math. Anal., Armen. Acad. Sci. 58, No. 2, 93--100 (2023; Zbl 07760678) Full Text: DOI
Wu, Fengsheng; Li, Chaoqian; Li, Yaotang Algorithms for structure preserving best rank-one approximations of partially symmetric tensors. (English) Zbl 07758468 Front. Math. (Berl./Heidelb.) 18, No. 1, 123-152 (2023). MSC: 15A69 65F99 PDF BibTeX XML Cite \textit{F. Wu} et al., Front. Math. (Berl./Heidelb.) 18, No. 1, 123--152 (2023; Zbl 07758468) Full Text: DOI
Serdyuk, A.; Stepanyuk, T. Uniform approximations by Fourier sums on the sets of convolutions of periodic functions of high smoothness. (English. Ukrainian original) Zbl 07757646 Ukr. Math. J. 75, No. 4, 621-651 (2023); translation from Ukr. Mat. Zh. 75, No. 4, 542-567 (2023). MSC: 42A10 42A24 41A50 42A85 30E10 PDF BibTeX XML Cite \textit{A. Serdyuk} and \textit{T. Stepanyuk}, Ukr. Math. J. 75, No. 4, 621--651 (2023; Zbl 07757646); translation from Ukr. Mat. Zh. 75, No. 4, 542--567 (2023) Full Text: DOI arXiv
Zhang, Xiaolong Comparisons of best approximations with Chebyshev expansions for functions with logarithmic endpoint singularities. (English) Zbl 07751253 Numer. Algorithms 94, No. 3, 1355-1379 (2023). MSC: 65-XX 41A10 41A25 41A50 65D05 PDF BibTeX XML Cite \textit{X. Zhang}, Numer. Algorithms 94, No. 3, 1355--1379 (2023; Zbl 07751253) Full Text: DOI arXiv
Reich, Simeon; Zalas, Rafał Polynomial estimates for the method of cyclic projections in Hilbert spaces. (English) Zbl 07751248 Numer. Algorithms 94, No. 3, 1217-1242 (2023). MSC: 65-XX 41A25 41A28 41A44 41A65 PDF BibTeX XML Cite \textit{S. Reich} and \textit{R. Zalas}, Numer. Algorithms 94, No. 3, 1217--1242 (2023; Zbl 07751248) Full Text: DOI arXiv
Mattei, Ornella; Milton, Graeme W.; Putinar, Mihai An extremal problem arising in the dynamics of two-phase materials that directly reveals information about the internal geometry. (English) Zbl 07749387 Commun. Pure Appl. Math. 76, No. 10, 2372-2409 (2023). MSC: 74-XX 65-XX PDF BibTeX XML Cite \textit{O. Mattei} et al., Commun. Pure Appl. Math. 76, No. 10, 2372--2409 (2023; Zbl 07749387) Full Text: DOI arXiv
Kovac, Federico Dario; Levis, Fabián Eduardo Taylor’s inequalities in Orlicz-Sobolev type spaces. (English) Zbl 07747151 Math. Nachr. 296, No. 3, 1190-1203 (2023). MSC: 26D10 41A10 41A50 46E30 46E35 PDF BibTeX XML Cite \textit{F. D. Kovac} and \textit{F. E. Levis}, Math. Nachr. 296, No. 3, 1190--1203 (2023; Zbl 07747151) Full Text: DOI
Langarshoev, Mukhtor Ramazonovich The best approximation and the values of the widths of some classes of analytical functions in the weighted Bergman space \(\mathscr{B}_{2,\gamma} \). (Russian. English summary) Zbl 07746270 Vestn. Ross. Univ., Mat. 28, No. 142, 182-192 (2023). MSC: 30E05 30E10 42A10 PDF BibTeX XML Cite \textit{M. R. Langarshoev}, Vestn. Ross. Univ., Mat. 28, No. 142, 182--192 (2023; Zbl 07746270) Full Text: DOI MNR
Qian, Tao \(n\)-best kernel approximation in reproducing kernel Hilbert spaces. (English) Zbl 07740082 Appl. Comput. Harmon. Anal. 67, Article ID 101568, 20 p. (2023). MSC: 41A50 46E22 30H10 30H20 PDF BibTeX XML Cite \textit{T. Qian}, Appl. Comput. Harmon. Anal. 67, Article ID 101568, 20 p. (2023; Zbl 07740082) Full Text: DOI arXiv
Babenko, Vladyslav; Babenko, Vira; Kovalenko, Oleg Korneichuk-Stechkin lemma, Ostrowski and Landau inequalities, and optimal recovery problems for \(L\)-space valued functions. (English) Zbl 07739381 Numer. Funct. Anal. Optim. 44, No. 12, 1309-1341 (2023). MSC: 41A65 41A17 46E40 41A44 PDF BibTeX XML Cite \textit{V. Babenko} et al., Numer. Funct. Anal. Optim. 44, No. 12, 1309--1341 (2023; Zbl 07739381) Full Text: DOI arXiv
Kämmerer, Lutz; Potts, Daniel; Taubert, Fabian Nonlinear approximation in bounded orthonormal product bases. (English) Zbl 07739030 Sampl. Theory Signal Process. Data Anal. 21, No. 1, Paper No. 19, 40 p. (2023). MSC: 41A50 42B05 65D15 65D30 65D32 65D40 65T40 65Y20 PDF BibTeX XML Cite \textit{L. Kämmerer} et al., Sampl. Theory Signal Process. Data Anal. 21, No. 1, Paper No. 19, 40 p. (2023; Zbl 07739030) Full Text: DOI arXiv
Kostić, Aleksandar; Rahimi, Hamidreza; Soleimani Rad, Ghasem \(wt_0\)-distance and best proximity points involving \(b\)-simulation functions. (English) Zbl 07738157 Publ. Inst. Math., Nouv. Sér. 113, No. 127, 67-81 (2023). MSC: 47H10 41A65 41A52 90C30 54E50 PDF BibTeX XML Cite \textit{A. Kostić} et al., Publ. Inst. Math., Nouv. Sér. 113, No. 127, 67--81 (2023; Zbl 07738157) Full Text: DOI
Grelier, Guillaume; San Martín, Jaime Proximinality and uniformly approximable sets in \(L^p\). (English) Zbl 07734910 J. Approx. Theory 294, Article ID 105945, 40 p. (2023). MSC: 41-XX 42-XX 41A50 26A42 41A30 28Axx PDF BibTeX XML Cite \textit{G. Grelier} and \textit{J. San Martín}, J. Approx. Theory 294, Article ID 105945, 40 p. (2023; Zbl 07734910) Full Text: DOI arXiv
Schaback, Robert \(H\)-sets for kernel-based spaces. (English) Zbl 07734908 J. Approx. Theory 294, Article ID 105942, 11 p. (2023). MSC: 41-XX 42-XX 41A10 41A52 65D15 PDF BibTeX XML Cite \textit{R. Schaback}, J. Approx. Theory 294, Article ID 105942, 11 p. (2023; Zbl 07734908) Full Text: DOI arXiv
Kolomoitsev, Yurii; Lomako, Tetiana Sharp \(L_p\)-error estimates for sampling operators. (English) Zbl 07734907 J. Approx. Theory 294, Article ID 105941, 27 p. (2023). MSC: 41-XX 42-XX 41A05 41A10 41A25 41A27 42A15 PDF BibTeX XML Cite \textit{Y. Kolomoitsev} and \textit{T. Lomako}, J. Approx. Theory 294, Article ID 105941, 27 p. (2023; Zbl 07734907) Full Text: DOI arXiv
Husain, Shamshad; Asad, Mohd Viscosity approximation method for split best proximity point and monotone variational inclusion problem. (English) Zbl 07727815 Int. J. Comput. Math. 100, No. 9, 1941-1954 (2023). MSC: 41A29 47J25 49J40 PDF BibTeX XML Cite \textit{S. Husain} and \textit{M. Asad}, Int. J. Comput. Math. 100, No. 9, 1941--1954 (2023; Zbl 07727815) Full Text: DOI
Foucart, Simon Full recovery from point values: an optimal algorithm for Chebyshev approximability prior. (English) Zbl 07726215 Adv. Comput. Math. 49, No. 4, Paper No. 57, 14 p. (2023). Reviewer: Marcel G. de Bruin (Heemstede) MSC: 41A05 41A10 41A50 90C05 PDF BibTeX XML Cite \textit{S. Foucart}, Adv. Comput. Math. 49, No. 4, Paper No. 57, 14 p. (2023; Zbl 07726215) Full Text: DOI arXiv
Zhang, Juan; Chen, Xuechan Z-eigenvalue localization sets for tensors and the applications in rank-one approximation and quantum entanglement. (English) Zbl 1517.15020 Acta Appl. Math. 186, Paper No. 10, 36 p. (2023). MSC: 15A69 15A18 81P40 PDF BibTeX XML Cite \textit{J. Zhang} and \textit{X. Chen}, Acta Appl. Math. 186, Paper No. 10, 36 p. (2023; Zbl 1517.15020) Full Text: DOI
Wang, Haiyong Optimal rates of convergence and error localization of Gegenbauer projections. (English) Zbl 07726067 IMA J. Numer. Anal. 43, No. 4, 2413-2444 (2023). MSC: 65D15 65D05 65D32 PDF BibTeX XML Cite \textit{H. Wang}, IMA J. Numer. Anal. 43, No. 4, 2413--2444 (2023; Zbl 07726067) Full Text: DOI arXiv
Akgün, R. Exponential approximation of functions in Lebesgue spaces with Muckenhoupt weight. (English) Zbl 07724922 Probl. Anal. Issues Anal. 12(30), No. 1, 3-24 (2023). MSC: 41A10 41A25 41A27 41A65 41A81 PDF BibTeX XML Cite \textit{R. Akgün}, Probl. Anal. Issues Anal. 12(30), No. 1, 3--24 (2023; Zbl 07724922) Full Text: DOI arXiv MNR
Yuan, George Xianzhi Corrigendum to: “Fixed point theorem and related nonlinear analysis by the best approximation method in \(p\)-vector spaces”. (English) Zbl 07723935 Numer. Funct. Anal. Optim. 44, No. 10, 1094-1096 (2023). MSC: 47H04 47H10 46A16 46A55 49J27 49J35 52A07 54C60 54H25 55M20 91B50 PDF BibTeX XML Cite \textit{G. X. Yuan}, Numer. Funct. Anal. Optim. 44, No. 10, 1094--1096 (2023; Zbl 07723935) Full Text: DOI
Romanyuk, A. S.; Romanyuk, V. S.; Pozharska, K. V.; Hembars’ka, S. B. Characteristics of linear and nonlinear approximation of isotropic classes of periodic multivariate functions. (English) Zbl 1519.42003 Carpathian Math. Publ. 15, No. 1, 78-94 (2023). MSC: 42A10 41A50 PDF BibTeX XML Cite \textit{A. S. Romanyuk} et al., Carpathian Math. Publ. 15, No. 1, 78--94 (2023; Zbl 1519.42003) Full Text: DOI
Basha, S. Sadiq Some best approximation theorems and best proximity point theorems. (English) Zbl 07722763 Acta Sci. Math. 89, No. 1-2, 215-226 (2023). MSC: 47H10 47H09 PDF BibTeX XML Cite \textit{S. S. Basha}, Acta Sci. Math. 89, No. 1--2, 215--226 (2023; Zbl 07722763) Full Text: DOI
Xie, Ruiyi; Wu, Boying; Liu, Wenjie Optimal error estimates for Chebyshev approximations of functions with endpoint singularities in fractional spaces. (English) Zbl 07722591 J. Sci. Comput. 96, No. 3, Paper No. 71, 29 p. (2023). MSC: 41A10 41A25 41A50 65N35 65M60 PDF BibTeX XML Cite \textit{R. Xie} et al., J. Sci. Comput. 96, No. 3, Paper No. 71, 29 p. (2023; Zbl 07722591) Full Text: DOI
Trynin, Aleksandr Yur’evich On the best polynomials approximation of segment functions. (Russian. English summary) Zbl 07720912 Vladikavkaz. Mat. Zh. 25, No. 1, 105-111 (2023). MSC: 65D15 26E25 PDF BibTeX XML Cite \textit{A. Y. Trynin}, Vladikavkaz. Mat. Zh. 25, No. 1, 105--111 (2023; Zbl 07720912) Full Text: DOI MNR
Levis, F. E.; Ridolfi, C. V.; Zabala, L. Strong uniqueness and alternation theorems for relative Chebyshev centers. (English) Zbl 07720795 J. Approx. Theory 293, Article ID 105917, 20 p. (2023). MSC: 41-XX 42-XX 41A28 41A45 41A50 PDF BibTeX XML Cite \textit{F. E. Levis} et al., J. Approx. Theory 293, Article ID 105917, 20 p. (2023; Zbl 07720795) Full Text: DOI
Georgieva, Irina; Hofreither, Clemens A Newton method for best uniform rational approximation. (English) Zbl 07720464 Numer. Algorithms 93, No. 4, 1741-1758 (2023). MSC: 65D15 41A50 PDF BibTeX XML Cite \textit{I. Georgieva} and \textit{C. Hofreither}, Numer. Algorithms 93, No. 4, 1741--1758 (2023; Zbl 07720464) Full Text: DOI
Babenko, V. F.; Babenko, V. V.; Kovalenko, O. V.; Parfinovych, N. V. On Landau-Kolmogorov type inequalities for charges and their applications. (English) Zbl 1515.26019 Res. Math. 31, No. 1, 3-16 (2023). MSC: 26D10 41A17 41A44 PDF BibTeX XML Cite \textit{V. F. Babenko} et al., Res. Math. 31, No. 1, 3--16 (2023; Zbl 1515.26019) Full Text: DOI arXiv
Abdullayev, F. G.; Savchuk, V. V.; Savchuk, M. V. Best approximation-preserving operators over Hardy space. (English) Zbl 1520.30076 Anal. Math. Phys. 13, No. 4, Paper No. 63, 12 p. (2023). MSC: 30H10 30E10 PDF BibTeX XML Cite \textit{F. G. Abdullayev} et al., Anal. Math. Phys. 13, No. 4, Paper No. 63, 12 p. (2023; Zbl 1520.30076) Full Text: DOI arXiv
Musin, I. Kh. Constructive description of a class of periodic functions on the real line. (English. Russian original) Zbl 1518.42012 Russ. Math. 67, No. 2, 32-42 (2023); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2023, No. 2, 36-46 (2023). MSC: 42A75 42A16 42A10 41A50 PDF BibTeX XML Cite \textit{I. Kh. Musin}, Russ. Math. 67, No. 2, 32--42 (2023; Zbl 1518.42012); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2023, No. 2, 36--46 (2023) Full Text: DOI
Vinogradov, O. L. Nonsaturated estimates of the Kotelnikov formula error. (English. Russian original) Zbl 1518.94033 J. Math. Sci., New York 273, No. 4, 465-475 (2023); translation from Zap. Nauchn. Semin. POMI 499, 22-37 (2021). MSC: 94A20 41A17 41A45 41A50 42A38 42A20 PDF BibTeX XML Cite \textit{O. L. Vinogradov}, J. Math. Sci., New York 273, No. 4, 465--475 (2023; Zbl 1518.94033); translation from Zap. Nauchn. Semin. POMI 499, 22--37 (2021) Full Text: DOI
Andrianov, P. A. Discrete periodic multiresolution analysis. (English. Russian original) Zbl 1518.42047 J. Math. Sci., New York 273, No. 4, 455-464 (2023); translation from Zap. Nauchn. Semin. POMI 499, 7-21 (2021). MSC: 42C40 41A50 94A12 PDF BibTeX XML Cite \textit{P. A. Andrianov}, J. Math. Sci., New York 273, No. 4, 455--464 (2023; Zbl 1518.42047); translation from Zap. Nauchn. Semin. POMI 499, 7--21 (2021) Full Text: DOI
Dziri, Moncef; Kroumi, Anis Tikhonov regularisation for the Weierstrass transform associated with the Kontorovich-Lebedev transform. (English) Zbl 07711692 Complex Var. Elliptic Equ. 68, No. 7, 1119-1131 (2023). MSC: 44A15 46E35 47G10 41A25 PDF BibTeX XML Cite \textit{M. Dziri} and \textit{A. Kroumi}, Complex Var. Elliptic Equ. 68, No. 7, 1119--1131 (2023; Zbl 07711692) Full Text: DOI
Tsar’kov, I. G. Chebyshev sets with piecewise continuous metric projection. (English. Russian original) Zbl 1520.41008 Math. Notes 113, No. 6, 840-849 (2023); translation from Mat. Zametki 113, No. 6, 905-917 (2023). Reviewer: Stefan Cobzaş (Cluj-Napoca) MSC: 41A65 46B20 PDF BibTeX XML Cite \textit{I. G. Tsar'kov}, Math. Notes 113, No. 6, 840--849 (2023; Zbl 1520.41008); translation from Mat. Zametki 113, No. 6, 905--917 (2023) Full Text: DOI
Potseiko, P. G.; Rovba, Y. A. On estimates of uniform approximations by rational Fourier-Chebyshev integral operators for a certain choice of poles. (English. Russian original) Zbl 1518.42004 Math. Notes 113, No. 6, 815-830 (2023); translation from Mat. Zametki 113, No. 6, 876-894 (2023). MSC: 42A10 41A20 41A50 PDF BibTeX XML Cite \textit{P. G. Potseiko} and \textit{Y. A. Rovba}, Math. Notes 113, No. 6, 815--830 (2023; Zbl 1518.42004); translation from Mat. Zametki 113, No. 6, 876--894 (2023) Full Text: DOI
Khan, Akhtar A.; Li, Jinlu; Reich, Simeon Generalized projections on general Banach spaces. (English) Zbl 1515.41014 J. Nonlinear Convex Anal. 24, No. 5, 1079-1112 (2023). MSC: 41A50 46B20 47H05 47J20 58C06 PDF BibTeX XML Cite \textit{A. A. Khan} et al., J. Nonlinear Convex Anal. 24, No. 5, 1079--1112 (2023; Zbl 1515.41014) Full Text: arXiv Link
Evert, Eric; De Lathauwer, Lieven On best low rank approximation of positive definite tensors. (English) Zbl 1518.15029 SIAM J. Matrix Anal. Appl. 44, No. 2, 867-893 (2023). MSC: 15A69 15A42 65F55 90C22 PDF BibTeX XML Cite \textit{E. Evert} and \textit{L. De Lathauwer}, SIAM J. Matrix Anal. Appl. 44, No. 2, 867--893 (2023; Zbl 1518.15029) Full Text: DOI
Klobouk, Abel H.; Varela, Alejandro Moment of a subspace and joint numerical range. (English) Zbl 1515.65091 Linear Multilinear Algebra 71, No. 9, 1470-1503 (2023). MSC: 65F35 15B57 15A60 52A20 PDF BibTeX XML Cite \textit{A. H. Klobouk} and \textit{A. Varela}, Linear Multilinear Algebra 71, No. 9, 1470--1503 (2023; Zbl 1515.65091) Full Text: DOI arXiv
Bauschke, Heinz H.; Singh, Shambhavi; Wang, Xianfu The splitting algorithms by Ryu, by Malitsky-Tam, and by Campoy applied to normal cones of linear subspaces converge strongly to the projection onto the intersection. (English) Zbl 07700282 SIAM J. Optim. 33, No. 2, 739-765 (2023). MSC: 41A50 49M27 65K05 47H05 15A10 47H09 49M37 90C25 PDF BibTeX XML Cite \textit{H. H. Bauschke} et al., SIAM J. Optim. 33, No. 2, 739--765 (2023; Zbl 07700282) Full Text: DOI arXiv
Liu, Wenjie; Wang, Li-Lian; Wu, Boying Bernstein-type constants for approximation of \(| x |^\alpha\) by partial Fourier-Legendre and Fourier-Chebyshev sums. (English) Zbl 07694240 J. Approx. Theory 291, Article ID 105897, 10 p. (2023). MSC: 41-XX 42-XX 41A10 41A25 41A50 PDF BibTeX XML Cite \textit{W. Liu} et al., J. Approx. Theory 291, Article ID 105897, 10 p. (2023; Zbl 07694240) Full Text: DOI
Tsagareishvili, Vakhtang On the majorants of general Fourier coefficients and best approximations. (English) Zbl 07692687 Publ. Math. Debr. 102, No. 3-4, 475-494 (2023). MSC: 42C10 PDF BibTeX XML Cite \textit{V. Tsagareishvili}, Publ. Math. Debr. 102, No. 3--4, 475--494 (2023; Zbl 07692687) Full Text: DOI
Akian, Marianne; Gaubert, Stéphane; Qi, Yang; Saadi, Omar Tropical linear regression and mean payoff games: or, how to measure the distance to equilibria. (English) Zbl 1519.14062 SIAM J. Discrete Math. 37, No. 2, 632-674 (2023). Reviewer: Aris Daniilidis (Wien) MSC: 14T90 91A25 91B26 PDF BibTeX XML Cite \textit{M. Akian} et al., SIAM J. Discrete Math. 37, No. 2, 632--674 (2023; Zbl 1519.14062) Full Text: DOI arXiv
Christiansen, Jacob S.; Simon, Barry; Zinchenko, Maxim Asymptotics of Chebyshev polynomials. V: Residual polynomials. (English) Zbl 07690258 Ramanujan J. 61, No. 1, 251-278 (2023). MSC: 41A50 30C80 30C10 PDF BibTeX XML Cite \textit{J. S. Christiansen} et al., Ramanujan J. 61, No. 1, 251--278 (2023; Zbl 07690258) Full Text: DOI arXiv
Wang, Haiyong Analysis of error localization of Chebyshev spectral approximations. (English) Zbl 07688695 SIAM J. Numer. Anal. 61, No. 2, 952-972 (2023). MSC: 41A10 41A25 41A50 PDF BibTeX XML Cite \textit{H. Wang}, SIAM J. Numer. Anal. 61, No. 2, 952--972 (2023; Zbl 07688695) Full Text: DOI arXiv
Dong, Zhaonan; Ern, Alexandre; Guermond, Jean-Luc Local decay rates of best-approximation errors using vector-valued finite elements for fields with low regularity and integrable curl or divergence. (English) Zbl 1514.65014 C. R., Math., Acad. Sci. Paris 361, 723-736 (2023). MSC: 65D05 65N30 41A65 PDF BibTeX XML Cite \textit{Z. Dong} et al., C. R., Math., Acad. Sci. Paris 361, 723--736 (2023; Zbl 1514.65014) Full Text: DOI arXiv
Sain, Debmalya; Sohel, Shamim; Ghosh, Souvik; Paul, Kallol On best coapproximations in subspaces of diagonal matrices. (English) Zbl 07683134 Linear Multilinear Algebra 71, No. 1, 47-62 (2023). MSC: 46B20 41A65 47L05 PDF BibTeX XML Cite \textit{D. Sain} et al., Linear Multilinear Algebra 71, No. 1, 47--62 (2023; Zbl 07683134) Full Text: DOI
Bauschke, Heinz H.; Krishan Lal, Manish; Wang, Xianfu Projections onto hyperbolas or bilinear constraint sets in Hilbert spaces. (English) Zbl 07683093 J. Glob. Optim. 86, No. 1, 25-36 (2023). MSC: 41A50 90C26 90C20 46C05 PDF BibTeX XML Cite \textit{H. H. Bauschke} et al., J. Glob. Optim. 86, No. 1, 25--36 (2023; Zbl 07683093) Full Text: DOI arXiv
Yang, Yuning; Feng, Yunlong Half-quadratic alternating direction method of multipliers for robust orthogonal tensor approximation. (English) Zbl 1518.90086 Adv. Comput. Math. 49, No. 2, Paper No. 24, 39 p. (2023). MSC: 90C26 90C17 15A69 41A50 65K05 PDF BibTeX XML Cite \textit{Y. Yang} and \textit{Y. Feng}, Adv. Comput. Math. 49, No. 2, Paper No. 24, 39 p. (2023; Zbl 1518.90086) Full Text: DOI arXiv
Binev, Peter; Fierro, Francesca; Veeser, Andreas Near-best adaptive approximation on conforming meshes. (English) Zbl 07680064 Constr. Approx. 57, No. 2, 327-349 (2023). MSC: 41A15 41A63 65D15 65M50 65M60 68Q32 68W25 PDF BibTeX XML Cite \textit{P. Binev} et al., Constr. Approx. 57, No. 2, 327--349 (2023; Zbl 07680064) Full Text: DOI arXiv
Derȩgowska, Beata; Lewandowska, Barbara A simple proof of the Grünbaum conjecture. (English) Zbl 07679869 J. Funct. Anal. 285, No. 2, Article ID 109950, 8 p. (2023). MSC: 41A65 41A44 46B20 15A42 42C15 PDF BibTeX XML Cite \textit{B. Derȩgowska} and \textit{B. Lewandowska}, J. Funct. Anal. 285, No. 2, Article ID 109950, 8 p. (2023; Zbl 07679869) Full Text: DOI arXiv
Stević, Stevo On a class of recursive relations for calculating square roots of numbers. (English) Zbl 1512.39009 J. Appl. Math. Comput. 69, No. 1, 973-987 (2023). MSC: 39A20 41A44 65D20 PDF BibTeX XML Cite \textit{S. Stević}, J. Appl. Math. Comput. 69, No. 1, 973--987 (2023; Zbl 1512.39009) Full Text: DOI
Laktionova, N. V.; Runovskii, K. V. Direct theorems on approximation of periodic functions with high generalized smoothness. (English. Russian original) Zbl 07676239 Math. Notes 113, No. 3, 469-472 (2023); translation from Mat. Zametki 113, No. 3, 477-480 (2023). MSC: 41A50 42A75 42A24 30-XX PDF BibTeX XML Cite \textit{N. V. Laktionova} and \textit{K. V. Runovskii}, Math. Notes 113, No. 3, 469--472 (2023; Zbl 07676239); translation from Mat. Zametki 113, No. 3, 477--480 (2023) Full Text: DOI
Behringer, Niklas; Vexler, Boris; Leykekhman, Dmitriy Fully discrete best-approximation-type estimates in \(L^\infty(I; L^2(\Omega)^d)\) for finite element discretizations of the transient Stokes equations. (English) Zbl 07673875 IMA J. Numer. Anal. 43, No. 2, 852-880 (2023). MSC: 65-XX PDF BibTeX XML Cite \textit{N. Behringer} et al., IMA J. Numer. Anal. 43, No. 2, 852--880 (2023; Zbl 07673875) Full Text: DOI arXiv
Xiang, Shuhuang; Kong, Desong; Liu, Guidong; Wang, Li-Lian Pointwise error estimates and local superconvergence of Jacobi expansions. (English) Zbl 07673302 Math. Comput. 92, No. 342, 1747-1778 (2023). MSC: 65-XX 41A10 41A25 41A50 65N35 65M70 PDF BibTeX XML Cite \textit{S. Xiang} et al., Math. Comput. 92, No. 342, 1747--1778 (2023; Zbl 07673302) Full Text: DOI arXiv
Volosivets, S. Approximation in variable exponent spaces and growth of norms of trigonometric polynomials. (English) Zbl 07672170 Anal. Math. 49, No. 1, 307-336 (2023). Reviewer: Adhemar Bultheel (Leuven) MSC: 42A10 41A17 46E35 PDF BibTeX XML Cite \textit{S. Volosivets}, Anal. Math. 49, No. 1, 307--336 (2023; Zbl 07672170) Full Text: DOI
Ganzburg, M. I. Sharp constants of approximation theory. IV: Asymptotic relations in general settings. (English) Zbl 07672158 Anal. Math. 49, No. 1, 79-136 (2023). Reviewer: Francisco Pérez Acosta (La Laguna) MSC: 41A44 41A17 41A63 41A65 PDF BibTeX XML Cite \textit{M. I. Ganzburg}, Anal. Math. 49, No. 1, 79--136 (2023; Zbl 07672158) Full Text: DOI arXiv
Alimov, Alexey R. Strict protosuns in asymmetric spaces of continuous functions. (English) Zbl 1517.41013 Result. Math. 78, No. 3, Paper No. 95, 15 p. (2023). Reviewer: Jin Liang (Shanghai) MSC: 41A65 PDF BibTeX XML Cite \textit{A. R. Alimov}, Result. Math. 78, No. 3, Paper No. 95, 15 p. (2023; Zbl 1517.41013) Full Text: DOI
Bello-Cruz, Yunier; Hazaimah, Oday On the weak and strong convergence of modified forward-backward-half-forward splitting methods. (English) Zbl 1520.47105 Optim. Lett. 17, No. 3, 789-811 (2023). MSC: 47J25 47J22 PDF BibTeX XML Cite \textit{Y. Bello-Cruz} and \textit{O. Hazaimah}, Optim. Lett. 17, No. 3, 789--811 (2023; Zbl 1520.47105) Full Text: DOI
Tourani, Rasul; Khoddami, Ali Reza On E-proximinality and strongly proximinality in complex-valued, bounded and continuous functions space. (English) Zbl 07665238 Sahand Commun. Math. Anal. 20, No. 1, 119-136 (2023). MSC: 46-XX 41A50 46B28 46H25 46B50 PDF BibTeX XML Cite \textit{R. Tourani} and \textit{A. R. Khoddami}, Sahand Commun. Math. Anal. 20, No. 1, 119--136 (2023; Zbl 07665238) Full Text: DOI
Lasuriya, R. A. On quantities of the type of modulus of continuity and analogs of \(K\)-functionals in the spaces \(S^{(p,q)}(\sigma^{m-1})\). (English. Russian original) Zbl 07664504 Math. Notes 113, No. 2, 255-266 (2023); translation from Mat. Zametki 113, No. 2, 251-264 (2023). MSC: 42A10 41A50 41A36 46E35 PDF BibTeX XML Cite \textit{R. A. Lasuriya}, Math. Notes 113, No. 2, 255--266 (2023; Zbl 07664504); translation from Mat. Zametki 113, No. 2, 251--264 (2023) Full Text: DOI
Yuan, George Xianzhi Fixed point theorem and related nonlinear analysis by the best approximation method in \(p\)-vector spaces. (English) Zbl 07663968 Numer. Funct. Anal. Optim. 44, No. 4, 221-295 (2023); corrigendum ibid. 44, No. 10, 1094-1096 (2023; Zbl 07723935). MSC: 47H04 47H10 46A16 46A55 52A07 54C60 54H25 49J27 49J35 55M20 PDF BibTeX XML Cite \textit{G. X. Yuan}, Numer. Funct. Anal. Optim. 44, No. 4, 221--295 (2023; Zbl 07663968) Full Text: DOI
Aliev, Rashid; Ismayilov, Eldost Jackson-type theorem in the weak \(L_1\)-space. (English) Zbl 1509.42003 Turk. J. Math. 47, No. 1, 185-194 (2023). MSC: 42A10 41A17 41A50 PDF BibTeX XML Cite \textit{R. Aliev} and \textit{E. Ismayilov}, Turk. J. Math. 47, No. 1, 185--194 (2023; Zbl 1509.42003) Full Text: DOI
Mashayekhi, S.; Sedaghat, S. Study the genetic variation using eta functions. (English) Zbl 1506.92060 Comput. Appl. Math. 42, No. 2, Paper No. 95, 17 p. (2023). MSC: 92D10 92D15 65R20 45D05 45B05 PDF BibTeX XML Cite \textit{S. Mashayekhi} and \textit{S. Sedaghat}, Comput. Appl. Math. 42, No. 2, Paper No. 95, 17 p. (2023; Zbl 1506.92060) Full Text: DOI
Ulitskaya, A. Yu. Sharp estimates for the mean-square approximations of convolution classes by shift spaces on the axis. (English. Russian original) Zbl 07658748 Sib. Math. J. 64, No. 1, 157-173 (2023); translation from Sib. Mat. Zh. 64, No. 1, 184-203 (2023). MSC: 41Axx 42Bxx 26Dxx PDF BibTeX XML Cite \textit{A. Yu. Ulitskaya}, Sib. Math. J. 64, No. 1, 157--173 (2023; Zbl 07658748); translation from Sib. Mat. Zh. 64, No. 1, 184--203 (2023) Full Text: DOI
Potseiko, P. G.; Rovba, E. A. The De La Vallée Poussin sums of Fourier-Chebyshev rational integral operators and approximations to Poisson integrals on the segment [-1,1]. (The De La Vallée Poussin sums of Fourier-Chebyshev rational integral operators and approximations to Poisson integrals on the segment.) (English. Russian original) Zbl 07658747 Sib. Math. J. 64, No. 1, 137-156 (2023); translation from Sib. Mat. Zh. 64, No. 1, 162-183 (2023). MSC: 42A10 42A24 41A35 PDF BibTeX XML Cite \textit{P. G. Potseiko} and \textit{E. A. Rovba}, Sib. Math. J. 64, No. 1, 137--156 (2023; Zbl 07658747); translation from Sib. Mat. Zh. 64, No. 1, 162--183 (2023) Full Text: DOI
Prakash, N.; Sangeetha, K. V. Proximinal faces of some Banach spaces. (English) Zbl 07654664 Ann. Funct. Anal. 14, No. 2, Paper No. 37, 20 p. (2023). Reviewer: Jamila Jawdat (Zarqa) MSC: 46B20 41A65 41A50 47A58 PDF BibTeX XML Cite \textit{N. Prakash} and \textit{K. V. Sangeetha}, Ann. Funct. Anal. 14, No. 2, Paper No. 37, 20 p. (2023; Zbl 07654664) Full Text: DOI
Ciesielski, Maciej; Lewicki, Grzegorz Some remarks on contractive and existence sets. (English) Zbl 1515.46007 Monatsh. Math. 200, No. 1, 1-21 (2023). MSC: 46B20 41A65 PDF BibTeX XML Cite \textit{M. Ciesielski} and \textit{G. Lewicki}, Monatsh. Math. 200, No. 1, 1--21 (2023; Zbl 1515.46007) Full Text: DOI arXiv
Mal, Arpita An approximation problem in the space of bounded operators. (English) Zbl 07644249 Numer. Funct. Anal. Optim. 44, No. 2, 124-137 (2023). MSC: 46B25 47L05 46B28 41A50 PDF BibTeX XML Cite \textit{A. Mal}, Numer. Funct. Anal. Optim. 44, No. 2, 124--137 (2023; Zbl 07644249) Full Text: DOI arXiv
Dovgoshey, Oleksiy; Shanin, Ruslan Uniqueness of best proximity pairs and rigidity of semimetric spaces. (English) Zbl 1505.05049 J. Fixed Point Theory Appl. 25, No. 1, Paper No. 34, 31 p. (2023). MSC: 05C12 54E35 41A50 PDF BibTeX XML Cite \textit{O. Dovgoshey} and \textit{R. Shanin}, J. Fixed Point Theory Appl. 25, No. 1, Paper No. 34, 31 p. (2023; Zbl 1505.05049) Full Text: DOI arXiv
Domínguez, Óscar; Seeger, Andreas; Street, Brian; Van Schaftingen, Jean; Yung, Po-Lam Spaces of Besov-Sobolev type and a problem on nonlinear approximation. (English) Zbl 1517.46024 J. Funct. Anal. 284, No. 4, Article ID 109775, 50 p. (2023). Reviewer: Hans Triebel (Jena) MSC: 46E35 26A33 26D10 35J05 35K05 39B22 42B35 46B70 46E30 PDF BibTeX XML Cite \textit{Ó. Domínguez} et al., J. Funct. Anal. 284, No. 4, Article ID 109775, 50 p. (2023; Zbl 1517.46024) Full Text: DOI arXiv
Dimos, Sotirios; Fotakis, Dimitris; Lianeas, Thanasis; Sergis, Kyriakos Escaping Braess’s paradox through approximate Caratheodory’s theorem. (English) Zbl 07609041 Inf. Process. Lett. 179, Article ID 106289, 8 p. (2023). MSC: 68Qxx PDF BibTeX XML Cite \textit{S. Dimos} et al., Inf. Process. Lett. 179, Article ID 106289, 8 p. (2023; Zbl 07609041) Full Text: DOI
Lopez, Luciano; Pellegrino, Sabrina Francesca A nonperiodic Chebyshev spectral method avoiding penalization techniques for a class of nonlinear peridynamic models. (English) Zbl 07769313 Int. J. Numer. Methods Eng. 123, No. 20, 4859-4876 (2022). MSC: 65N35 41A50 65T50 65M06 65M12 35R09 74B20 74R10 PDF BibTeX XML Cite \textit{L. Lopez} and \textit{S. F. Pellegrino}, Int. J. Numer. Methods Eng. 123, No. 20, 4859--4876 (2022; Zbl 07769313) Full Text: DOI
Zhang, Li-qiang; Zhou, Nan-nan; Yu, Chang-shui The best approximation of an objective state with a given set of quantum states. (English) Zbl 07768785 Ann. Phys., Berlin 534, No. 2, Article ID 2100407, 9 p. (2022). MSC: 81-XX PDF BibTeX XML Cite \textit{L.-q. Zhang} et al., Ann. Phys., Berlin 534, No. 2, Article ID 2100407, 9 p. (2022; Zbl 07768785) Full Text: DOI arXiv
Cui, Yunan; Hudzik, Henryk; Kaczmarek, Radosław; Kolwicz, Paweł Uniform monotonicity of Orlicz spaces equipped with the Mazur-Orlicz F-norm and dominated best approximation in F-normed Köthe spaces. (English) Zbl 07747300 Math. Nachr. 295, No. 3, 487-511 (2022). MSC: 46B20 46B42 46E30 PDF BibTeX XML Cite \textit{Y. Cui} et al., Math. Nachr. 295, No. 3, 487--511 (2022; Zbl 07747300) Full Text: DOI
Lutsenko, Anastasiya Vladimirovna; Musin, Il’dar Khamitovich; Yulmukhametov, Rinad Salavatovich On a class of periodic functions in \(\mathbb{R}^n\). (Russian. English summary) Zbl 07736025 Ufim. Mat. Zh. 14, No. 4, 73-79 (2022); translation in Ufa Math. J. 14, No. 4, 69-75 (2022). MSC: 42B05 42A10 PDF BibTeX XML Cite \textit{A. V. Lutsenko} et al., Ufim. Mat. Zh. 14, No. 4, 73--79 (2022; Zbl 07736025); translation in Ufa Math. J. 14, No. 4, 69--75 (2022) Full Text: DOI MNR
Dragović, Vladimir; Gasiorek, Sean; Radnović, Milena Integrable billiards on a Minkowski hyperboloid: extremal polynomials and topology. (English. Russian original) Zbl 07733597 Sb. Math. 213, No. 9, 1187-1221 (2022); translation from Mat. Sb. 213, No. 9, 34-69 (2022). MSC: 37C83 37J70 37J38 37J46 41A50 14H70 PDF BibTeX XML Cite \textit{V. Dragović} et al., Sb. Math. 213, No. 9, 1187--1221 (2022; Zbl 07733597); translation from Mat. Sb. 213, No. 9, 34--69 (2022) Full Text: DOI arXiv MNR
Shabozov, M. Sh.; Malakbozov, Z. Sh. On the best polynomial approximation in Hardy space. (English. Russian original) Zbl 07712849 Russ. Math. 66, No. 11, 97-109 (2022); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2022, No. 11, 110-123 (2022). MSC: 42A05 41A28 PDF BibTeX XML Cite \textit{M. Sh. Shabozov} and \textit{Z. Sh. Malakbozov}, Russ. Math. 66, No. 11, 97--109 (2022; Zbl 07712849); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2022, No. 11, 110--123 (2022) Full Text: DOI
Yuan, George Xianzhi Nonlinear analysis in \(p\)-vector spaces for single-valued 1-set contractive mappings. (English) Zbl 07702969 Fixed Point Theory Algorithms Sci. Eng. 2022, Paper No. 26, 61 p. (2022). MSC: 47H04 47H10 46A16 46A55 49J27 49J35 52A07 54C60 54H25 55M20 PDF BibTeX XML Cite \textit{G. X. Yuan}, Fixed Point Theory Algorithms Sci. Eng. 2022, Paper No. 26, 61 p. (2022; Zbl 07702969) Full Text: DOI arXiv
Babenko, Vladyslav; Babenko, Yuliya; Kriachko, Nadiia A solution to Stechkin’s problem for functions of a self-adjoint operator in a Hilbert space, Taikov-type inequalities, and their applications. (English) Zbl 07681189 Jaen J. Approx. 13, 1-28 (2022). MSC: 47A63 26D10 41A17 47A58 PDF BibTeX XML Cite \textit{V. Babenko} et al., Jaen J. Approx. 13, 1--28 (2022; Zbl 07681189) Full Text: arXiv Link
Krasniqi, Xhevat Zahir; Rathoury, Laxmi; Mishra, Lakshmi Narayan On approximation of continuous bivariate periodic functions by deferred generalized de La Vallée Poussin means of their Fourier series. (English) Zbl 07673566 Adv. Stud. Contemp. Math., Kyungshang 32, No. 3, 387-402 (2022). MSC: 42A10 41A50 42A20 42B05 PDF BibTeX XML Cite \textit{X. Z. Krasniqi} et al., Adv. Stud. Contemp. Math., Kyungshang 32, No. 3, 387--402 (2022; Zbl 07673566) Full Text: DOI
Razavi, Mehdi; Hosseini, Mohammad Mehdi; Salemi, Abbas Error analysis and Kronecker implementation of Chebyshev spectral collocation method for solving linear PDEs. (English) Zbl 07665275 Comput. Methods Differ. Equ. 10, No. 4, 914-927 (2022). MSC: 65N35 65N15 35G05 15A06 41A50 65N12 PDF BibTeX XML Cite \textit{M. Razavi} et al., Comput. Methods Differ. Equ. 10, No. 4, 914--927 (2022; Zbl 07665275) Full Text: DOI
Vakarchuk, Sergii B. On estimates of diameter values of classes of functions in the weight space \(L_{2, \gamma } ( \mathbb{R}^2)\), \(\gamma = \exp(-x^2 - y^2)\). (English. Ukrainian original) Zbl 07653249 J. Math. Sci., New York 264, No. 4, 471-488 (2022); translation from Ukr. Mat. Visn. 19, No. 2, 275-298 (2022). MSC: 41Axx 42Axx 26-XX PDF BibTeX XML Cite \textit{S. B. Vakarchuk}, J. Math. Sci., New York 264, No. 4, 471--488 (2022; Zbl 07653249); translation from Ukr. Mat. Visn. 19, No. 2, 275--298 (2022) Full Text: DOI
Chaira, Karim; Dovgoshey, Oleksiy; Lazaiz, Samih Bipartite graphs and best proximity pairs. (English) Zbl 1511.54016 J. Math. Sci., New York 264, No. 4, 369-388 (2022) and Ukr. Mat. Visn. 19, No. 2, 141-166 (2022). Reviewer: James Peters (Winnipeg) MSC: 54E35 05C60 41A40 PDF BibTeX XML Cite \textit{K. Chaira} et al., J. Math. Sci., New York 264, No. 4, 369--388 (2022; Zbl 1511.54016) Full Text: DOI arXiv
Kim, Moon Hee; Kim, Gwi Soo; Lee, Gue Myung On optimality conditions for best approximation problems. (English) Zbl 1504.90093 Linear Nonlinear Anal. 8, No. 3, 309-315 (2022). MSC: 90C25 90C30 90C46 PDF BibTeX XML Cite \textit{M. H. Kim} et al., Linear Nonlinear Anal. 8, No. 3, 309--315 (2022; Zbl 1504.90093) Full Text: Link
Khader, M. M.; Sharma, Ram Prakash Evaluating the MHD non-Newtonian fluid motion past a stretching sheet under the influence of non-uniform thickness with Dufour and Soret effects implementing Chebyshev spectral method. (English) Zbl 1513.65483 Appl. Appl. Math. 17, No. 2, 421-438 (2022). MSC: 65N35 65N30 41A50 41A30 76A05 76W05 76M10 76M22 80A21 35Q35 35Q79 74M10 74F10 35A24 PDF BibTeX XML Cite \textit{M. M. Khader} and \textit{R. P. Sharma}, Appl. Appl. Math. 17, No. 2, 421--438 (2022; Zbl 1513.65483) Full Text: Link
Nguyen, V. K.; Nguyen, V. D. Best \(n\)-term approximation of diagonal operators and application to function spaces with mixed smoothness. (English) Zbl 07644651 Anal. Math. 48, No. 4, 1127-1152 (2022). Reviewer: Francisco Pérez Acosta (La Laguna) MSC: 41A44 42A10 47B06 PDF BibTeX XML Cite \textit{V. K. Nguyen} and \textit{V. D. Nguyen}, Anal. Math. 48, No. 4, 1127--1152 (2022; Zbl 07644651) Full Text: DOI arXiv
Shakirov, I. A. Approximation of the Lebesgue constant of the Fourier operator by a logarithmic function. (English. Russian original) Zbl 07644551 Russ. Math. 66, No. 5, 70-76 (2022); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2022, No. 5, 86-93 (2022). MSC: 41A44 42A15 PDF BibTeX XML Cite \textit{I. A. Shakirov}, Russ. Math. 66, No. 5, 70--76 (2022; Zbl 07644551); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2022, No. 5, 86--93 (2022) Full Text: DOI
Babenko, V. F.; Parfinovych, N. V.; Skorokhodov, D. S. The best approximation of closed operators by bounded operators in Hilbert spaces. (English) Zbl 1511.47015 Carpathian Math. Publ. 14, No. 2, 453-463 (2022). MSC: 47A58 47A63 41A35 26D10 41A65 PDF BibTeX XML Cite \textit{V. F. Babenko} et al., Carpathian Math. Publ. 14, No. 2, 453--463 (2022; Zbl 1511.47015) Full Text: DOI
Dmytryshyn, M. I.; Dmytryshyn, L. I. Bernstein-Jackson-type inequalities with exact constants in Orlicz spaces. (English) Zbl 07644453 Carpathian Math. Publ. 14, No. 2, 364-370 (2022). MSC: 41A17 41A44 46E30 PDF BibTeX XML Cite \textit{M. I. Dmytryshyn} and \textit{L. I. Dmytryshyn}, Carpathian Math. Publ. 14, No. 2, 364--370 (2022; Zbl 07644453) Full Text: DOI
Langarshoev, Mukhtor Ramazonovich On the best approximation and the values of the widths of some classes of functions in the Bergmann weight space. (Russian. English summary) Zbl 1513.30181 Vestn. Ross. Univ., Mat. 27, No. 140, 339-350 (2022). MSC: 30E05 30E10 42A10 PDF BibTeX XML Cite \textit{M. R. Langarshoev}, Vestn. Ross. Univ., Mat. 27, No. 140, 339--350 (2022; Zbl 1513.30181) Full Text: DOI MNR
Khuromonov, Kh. M. Exact inequalities between the best polynomial approximations and averaged norms of finite differences in the \(B_2\) space and widths of some classes of functions. (English. Russian original) Zbl 07640125 Russ. Math. 66, No. 3, 50-58 (2022); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2022, No. 3, 61-70 (2022). MSC: 41Axx 41-XX 42Axx PDF BibTeX XML Cite \textit{Kh. M. Khuromonov}, Russ. Math. 66, No. 3, 50--58 (2022; Zbl 07640125); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2022, No. 3, 61--70 (2022) Full Text: DOI
Potseiko, P. G.; Rovba, Ye. A. Conjugate rational Fourier-Chebyshev operator and its approximation properties. (English. Russian original) Zbl 1505.42002 Russ. Math. 66, No. 3, 35-49 (2022); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2022, No. 3, 44-60 (2022). MSC: 42A10 41A50 42B20 42A20 45E05 PDF BibTeX XML Cite \textit{P. G. Potseiko} and \textit{Ye. A. Rovba}, Russ. Math. 66, No. 3, 35--49 (2022; Zbl 1505.42002); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2022, No. 3, 44--60 (2022) Full Text: DOI
Smailov, E. S. \(B_{p\theta}^{\varphi}([0,1];H)\) with the Haar basis. (English. Russian original) Zbl 1507.46025 Sib. Math. J. 63, No. 6, 1140-1152 (2022); translation from Sib. Mat. Zh. 63, No. 6, 1334-1348 (2022). Reviewer: Aida Tagiyeva (Baku) MSC: 46E35 42A16 41A58 PDF BibTeX XML Cite \textit{E. S. Smailov}, Sib. Math. J. 63, No. 6, 1140--1152 (2022; Zbl 1507.46025); translation from Sib. Mat. Zh. 63, No. 6, 1334--1348 (2022) Full Text: DOI
Alimov, A. R.; Tsar’kov, I. G. Classical problems of rational approximation. (English. Russian original) Zbl 07637720 Dokl. Math. 106, No. 2, 305-307 (2022); translation from Dokl. Ross. Akad. Nauk, Mat. Inform. Protsessy Upr. 506, 5-8 (2022). MSC: 41Axx 41-XX 52Axx PDF BibTeX XML Cite \textit{A. R. Alimov} and \textit{I. G. Tsar'kov}, Dokl. Math. 106, No. 2, 305--307 (2022; Zbl 07637720); translation from Dokl. Ross. Akad. Nauk, Mat. Inform. Protsessy Upr. 506, 5--8 (2022) Full Text: DOI
Akgün, Ramazan Exponential approximation in variable exponent Lebesgue spaces on the real line. (English) Zbl 1513.41005 Constr. Math. Anal. 5, No. 4, 214-237 (2022). MSC: 41A17 41A25 46E30 PDF BibTeX XML Cite \textit{R. Akgün}, Constr. Math. Anal. 5, No. 4, 214--237 (2022; Zbl 1513.41005) Full Text: DOI arXiv
Thomas, Teena On property-\((P_1)\) in Banach spaces. (English) Zbl 07632122 J. Convex Anal. 29, No. 4, 975-994 (2022). MSC: 41A65 41A50 52A07 46E15 PDF BibTeX XML Cite \textit{T. Thomas}, J. Convex Anal. 29, No. 4, 975--994 (2022; Zbl 07632122) Full Text: arXiv Link
Gonçalves, Felipe; Zagier, Don B. Strichartz estimates with broken symmetries. (English) Zbl 1504.42080 Rev. Mat. Iberoam. 38, No. 5, 1709-1722 (2022). MSC: 42B37 41A44 33C45 35J10 PDF BibTeX XML Cite \textit{F. Gonçalves} and \textit{D. B. Zagier}, Rev. Mat. Iberoam. 38, No. 5, 1709--1722 (2022; Zbl 1504.42080) Full Text: DOI arXiv