Font, Juan J.; Macario, Sergio Constructive approximation of continuous interval-valued functions. (English) Zbl 07517479 Numer. Funct. Anal. Optim. 43, No. 2, 127-144 (2022). MSC: 41A30 65G40 PDF BibTeX XML Cite \textit{J. J. Font} and \textit{S. Macario}, Numer. Funct. Anal. Optim. 43, No. 2, 127--144 (2022; Zbl 07517479) Full Text: DOI OpenURL
Karahan, Döne; Izgi, Aydın; Serenbay, Sevilay Kırcı Approximation by max-product Balázs-Szabados operators. (English) Zbl 07500310 J. Ramanujan Math. Soc. 37, No. 1, 23-30 (2022). MSC: 41A30 41A25 41A29 PDF BibTeX XML Cite \textit{D. Karahan} et al., J. Ramanujan Math. Soc. 37, No. 1, 23--30 (2022; Zbl 07500310) Full Text: Link OpenURL
Ozsarac, Firat; Gupta, Vijay; Aral, Ali Approximation by some Baskakov-Kantorovich exponential-type operators. (English) Zbl 07499362 Bull. Iran. Math. Soc. 48, No. 1, 227-241 (2022). MSC: 41A25 41A30 PDF BibTeX XML Cite \textit{F. Ozsarac} et al., Bull. Iran. Math. Soc. 48, No. 1, 227--241 (2022; Zbl 07499362) Full Text: DOI OpenURL
Azagra, Daniel Locally \(C^{1,1}\) convex extensions of \(1\)-jets. (English) Zbl 07498311 Rev. Mat. Iberoam. 38, No. 1, 131-174 (2022). MSC: 26B25 28A75 41A30 52A20 52A27 53C45 PDF BibTeX XML Cite \textit{D. Azagra}, Rev. Mat. Iberoam. 38, No. 1, 131--174 (2022; Zbl 07498311) Full Text: DOI OpenURL
Lim, Lek-Heng; Michałek, Mateusz; Qi, Yang Best \(k\)-layer neural network approximations. (English) Zbl 07493726 Constr. Approx. 55, No. 1, 583-604 (2022). MSC: 68-XX 41A50 41A30 PDF BibTeX XML Cite \textit{L.-H. Lim} et al., Constr. Approx. 55, No. 1, 583--604 (2022; Zbl 07493726) Full Text: DOI arXiv OpenURL
Safran, Itay; Eldan, Ronen; Shamir, Ohad Depth separations in neural networks: what is actually being separated? (English) Zbl 07493720 Constr. Approx. 55, No. 1, 225-257 (2022). MSC: 41A30 41A10 PDF BibTeX XML Cite \textit{I. Safran} et al., Constr. Approx. 55, No. 1, 225--257 (2022; Zbl 07493720) Full Text: DOI arXiv OpenURL
Vlačić, Verner; Bölcskei, Helmut Neural network identifiability for a family of sigmoidal nonlinearities. (English) Zbl 1482.68217 Constr. Approx. 55, No. 1, 173-224 (2022). MSC: 68T07 41A30 PDF BibTeX XML Cite \textit{V. Vlačić} and \textit{H. Bölcskei}, Constr. Approx. 55, No. 1, 173--224 (2022; Zbl 1482.68217) Full Text: DOI arXiv OpenURL
Daubechies, I.; DeVore, R.; Foucart, S.; Hanin, B.; Petrova, G. Nonlinear approximation and (Deep) ReLU networks. (English) Zbl 07493718 Constr. Approx. 55, No. 1, 127-172 (2022). MSC: 41A25 41A30 41A46 68T99 82C32 92B20 PDF BibTeX XML Cite \textit{I. Daubechies} et al., Constr. Approx. 55, No. 1, 127--172 (2022; Zbl 07493718) Full Text: DOI arXiv OpenURL
Dăianu, Dan M. Samples of homogeneous functions. (English) Zbl 07490189 Result. Math. 77, No. 2, Paper No. 78, 14 p. (2022). MSC: 41A30 41A80 22A10 PDF BibTeX XML Cite \textit{D. M. Dăianu}, Result. Math. 77, No. 2, Paper No. 78, 14 p. (2022; Zbl 07490189) Full Text: DOI OpenURL
E., Weinan; Wojtowytsch, Stephan Representation formulas and pointwise properties for Barron functions. (English) Zbl 1482.41013 Calc. Var. Partial Differ. Equ. 61, No. 2, Paper No. 46, 37 p. (2022). MSC: 41A30 26B35 26B40 46E15 68T07 PDF BibTeX XML Cite \textit{W. E.} and \textit{S. Wojtowytsch}, Calc. Var. Partial Differ. Equ. 61, No. 2, Paper No. 46, 37 p. (2022; Zbl 1482.41013) Full Text: DOI arXiv OpenURL
Hesse, Kerstin; Le Gia, Quoc Thong \(L_2\) error estimates for polynomial discrete penalized least-squares approximation on the sphere from noisy data. (English) Zbl 07483291 J. Comput. Appl. Math. 408, Article ID 114118, 26 p. (2022). MSC: 65D10 33C55 41A30 41A55 42C10 65D32 PDF BibTeX XML Cite \textit{K. Hesse} and \textit{Q. T. Le Gia}, J. Comput. Appl. Math. 408, Article ID 114118, 26 p. (2022; Zbl 07483291) Full Text: DOI OpenURL
Eigel, Martin; Schneider, Reinhold; Trunschke, Philipp Convergence bounds for empirical nonlinear least-squares. (English) Zbl 1482.62071 ESAIM, Math. Model. Numer. Anal. 56, No. 1, 79-104 (2022). MSC: 62J02 41A25 41A65 41A30 PDF BibTeX XML Cite \textit{M. Eigel} et al., ESAIM, Math. Model. Numer. Anal. 56, No. 1, 79--104 (2022; Zbl 1482.62071) Full Text: DOI arXiv OpenURL
Chirre, Andrés; Gonçalves, Felipe Bounding the log-derivative of the zeta-function. (English) Zbl 07463817 Math. Z. 300, No. 1, 1041-1053 (2022). Reviewer: Stelian Mihalas (Timişoara) MSC: 11M06 11M26 41A30 PDF BibTeX XML Cite \textit{A. Chirre} and \textit{F. Gonçalves}, Math. Z. 300, No. 1, 1041--1053 (2022; Zbl 07463817) Full Text: DOI arXiv OpenURL
Alonso-Gutiérrez, David; González Merino, Bernardo; Villa, Rafael Best approximation of functions by log-polynomials. (English) Zbl 07457872 J. Funct. Anal. 282, No. 5, Article ID 109344, 33 p. (2022). MSC: 41A30 46B20 PDF BibTeX XML Cite \textit{D. Alonso-Gutiérrez} et al., J. Funct. Anal. 282, No. 5, Article ID 109344, 33 p. (2022; Zbl 07457872) Full Text: DOI arXiv OpenURL
Gupta, Vijay; Anjali Higher order Kantorovich operators based on inverse Pólya-Eggenberger distribution. (English) Zbl 1477.65172 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 116, No. 1, Paper No. 31, 15 p. (2022). MSC: 65N06 62E17 41A30 41A36 41A25 PDF BibTeX XML Cite \textit{V. Gupta} and \textit{Anjali}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 116, No. 1, Paper No. 31, 15 p. (2022; Zbl 1477.65172) Full Text: DOI OpenURL
Paramonov, Petr V. Uniform approximation of functions by solutions of strongly elliptic equations of second order on compact subsets of \(\mathbb{R}^2\). (English. Russian original) Zbl 07498883 Sb. Math. 212, No. 12, 1730-1745 (2021); translation from Mat. Sb. 212, No. 12, 1730-1745 (2021). MSC: 41A30 35A35 35J15 30E10 PDF BibTeX XML Cite \textit{P. V. Paramonov}, Sb. Math. 212, No. 12, 1730--1745 (2021; Zbl 07498883); translation from Mat. Sb. 212, No. 12, 1730--1745 (2021) Full Text: DOI OpenURL
Ismailov, Vugar E. Ridge functions and applications in neural networks. (English) Zbl 07498870 Mathematical Surveys and Monographs 263. Providence, RI: American Mathematical Society (AMS) (ISBN 978-1-4704-6765-4/pbk; 978-1-4704-6800-2/ebook). ix, 186 p. (2021). Reviewer: Bilal Bilalov (Baku) MSC: 26-02 26B40 39B22 41A30 41A50 41A63 92-01 92B20 PDF BibTeX XML Cite \textit{V. E. Ismailov}, Ridge functions and applications in neural networks. Providence, RI: American Mathematical Society (AMS) (2021; Zbl 07498870) Full Text: DOI OpenURL
Lspir, Nurhayat; Deo, Naokant; Bhardwaj, Neha Approximation of jain operators by statistical convergence. (English) Zbl 07489151 Thai J. Math. 19, No. 4, 1187-1197 (2021). MSC: 41A10 41A25 41A30 41A63 26A15 PDF BibTeX XML Cite \textit{N. Lspir} et al., Thai J. Math. 19, No. 4, 1187--1197 (2021; Zbl 07489151) Full Text: Link OpenURL
Babayev, Arzu M-B.; Maharov, Ibrahim K. On the error of approximation by RBF neural networks with two hidden nodes. (English) Zbl 07487928 Proc. Inst. Math. Mech., Natl. Acad. Sci. Azerb. 47, No. 2, 226-231 (2021). MSC: 41A30 41A63 92B20 PDF BibTeX XML Cite \textit{A. M B. Babayev} and \textit{I. K. Maharov}, Proc. Inst. Math. Mech., Natl. Acad. Sci. Azerb. 47, No. 2, 226--231 (2021; Zbl 07487928) Full Text: DOI OpenURL
Vinogradov, O. L. On the constants in inverse theorems for the first-order derivative. (English. Russian original) Zbl 07485529 Vestn. St. Petersbg. Univ., Math. 54, No. 4, 334-344 (2021); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 8(66), No. 4, 559-571 (2021). MSC: 42A10 41A10 41A30 PDF BibTeX XML Cite \textit{O. L. Vinogradov}, Vestn. St. Petersbg. Univ., Math. 54, No. 4, 334--344 (2021; Zbl 07485529); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 8(66), No. 4, 559--571 (2021) Full Text: DOI OpenURL
Yanchenko, S. Ya.; Radchenko, O. Ya. Approximation characteristics of the isotropic Nikol’skii-Besov functional classes. (English) Zbl 07482118 Carpathian Math. Publ. 13, No. 3, 851-861 (2021). MSC: 41A30 41A50 41A63 42A38 PDF BibTeX XML Cite \textit{S. Ya. Yanchenko} and \textit{O. Ya. Radchenko}, Carpathian Math. Publ. 13, No. 3, 851--861 (2021; Zbl 07482118) Full Text: DOI OpenURL
Kurşun, S.; Turgay, M.; Alagöz, O.; Acar, T. Approximation properties of multivariate exponential sampling series. (English) Zbl 07482103 Carpathian Math. Publ. 13, No. 3, 666-675 (2021). MSC: 41A25 41A30 47A58 PDF BibTeX XML Cite \textit{S. Kurşun} et al., Carpathian Math. Publ. 13, No. 3, 666--675 (2021; Zbl 07482103) Full Text: DOI OpenURL
Zhang, Chao; Tao, Dongya; Ding, Pan Spectral method for multi-dimensional problems of high order on unbounded domains using generalized Laguerre functions. (English) Zbl 07479107 Int. J. Comput. Math. 98, No. 10, 2040-2059 (2021). MSC: 41A30 65N35 PDF BibTeX XML Cite \textit{C. Zhang} et al., Int. J. Comput. Math. 98, No. 10, 2040--2059 (2021; Zbl 07479107) Full Text: DOI OpenURL
Soybaş, Danyal; Malik, Neha Convergence estimates for Gupta-Srivastava operators. (English) Zbl 07477631 Kragujevac J. Math. 45, No. 5, 739-749 (2021). MSC: 41A36 41A30 PDF BibTeX XML Cite \textit{D. Soybaş} and \textit{N. Malik}, Kragujevac J. Math. 45, No. 5, 739--749 (2021; Zbl 07477631) Full Text: DOI Link OpenURL
Campbell, Daniel; Soudský, Filip Smooth homeomorphic approximation of piecewise affine homeomorphisms. (English) Zbl 07473891 Atti Accad. Naz. Lincei, Cl. Sci. Fis. Mat. Nat., IX. Ser., Rend. Lincei, Mat. Appl. 32, No. 3, 511-534 (2021). MSC: 41A29 41A30 57Q55 PDF BibTeX XML Cite \textit{D. Campbell} and \textit{F. Soudský}, Atti Accad. Naz. Lincei, Cl. Sci. Fis. Mat. Nat., IX. Ser., Rend. Lincei, Mat. Appl. 32, No. 3, 511--534 (2021; Zbl 07473891) Full Text: DOI arXiv OpenURL
Agrawal, P. N.; Acu, Ana Maria; Bhardwaj, Neha Quantitative Voronovskaya type results for a sequence of Stancu type operators. (English) Zbl 07472388 J. Math. Inequal. 15, No. 4, 1519-1532 (2021). MSC: 41A10 41A25 41A30 26A15 PDF BibTeX XML Cite \textit{P. N. Agrawal} et al., J. Math. Inequal. 15, No. 4, 1519--1532 (2021; Zbl 07472388) Full Text: DOI OpenURL
Kumar, Mohit; Upadhye, Neelesh S.; Chand, A. K. B. Distribution of linear fractal interpolation function for random dataset with stable noise. (English) Zbl 07465589 Fractals 29, No. 4, Article ID 2150086, 12 p. (2021). MSC: 28A80 41A05 41A30 60E07 PDF BibTeX XML Cite \textit{M. Kumar} et al., Fractals 29, No. 4, Article ID 2150086, 12 p. (2021; Zbl 07465589) Full Text: DOI OpenURL
Darses, Sébastien; Hillion, Erwan On probabilistic generalizations of the Nyman-Beurling criterion for the zeta Function. (English) Zbl 07464092 Confluentes Math. 13, No. 1, 43-59 (2021). MSC: 41A30 46E20 60E05 11M26 PDF BibTeX XML Cite \textit{S. Darses} and \textit{E. Hillion}, Confluentes Math. 13, No. 1, 43--59 (2021; Zbl 07464092) Full Text: DOI arXiv OpenURL
Deo, Naokant; Kumar, Sandeep Durrmeyer variant of Apostol-Genocchi-Baskakov operators. (English) Zbl 07462267 Quaest. Math. 44, No. 12, 1817-1834 (2021). MSC: 41A25 41A30 PDF BibTeX XML Cite \textit{N. Deo} and \textit{S. Kumar}, Quaest. Math. 44, No. 12, 1817--1834 (2021; Zbl 07462267) Full Text: DOI OpenURL
Laurinčikas, Antanas Joint discrete universality for periodic zeta-functions. III. (English) Zbl 1483.11197 Quaest. Math. 44, No. 12, 1729-1743 (2021). MSC: 11M41 41A30 PDF BibTeX XML Cite \textit{A. Laurinčikas}, Quaest. Math. 44, No. 12, 1729--1743 (2021; Zbl 1483.11197) Full Text: DOI OpenURL
Marx, Swann; Pauwels, Edouard; Weisser, Tillmann; Henrion, Didier; Lasserre, Jean Bernard Semi-algebraic approximation using Christoffel-Darboux kernel. (English) Zbl 07458658 Constr. Approx. 54, No. 3, 391-429 (2021). MSC: 41A30 42C05 47B32 PDF BibTeX XML Cite \textit{S. Marx} et al., Constr. Approx. 54, No. 3, 391--429 (2021; Zbl 07458658) Full Text: DOI arXiv OpenURL
Volosivets, S. S. A distributional proof of \(p\)-adic Wiener Tauberian theorem and approximation by translates of a function. (English) Zbl 1480.42009 \(p\)-Adic Numbers Ultrametric Anal. Appl. 13, No. 4, 308-315 (2021). MSC: 42A38 40E05 41A30 42B20 PDF BibTeX XML Cite \textit{S. S. Volosivets}, \(p\)-Adic Numbers Ultrametric Anal. Appl. 13, No. 4, 308--315 (2021; Zbl 1480.42009) Full Text: DOI OpenURL
Jung, Soon-Mo; Kim, Byungbae Approximate solutions of Schrödinger equation with a quartic potential. (English) Zbl 1476.34118 Nonlinear Funct. Anal. Appl. 26, No. 1, 157-164 (2021). MSC: 34D10 34A40 34A45 39B82 41A30 PDF BibTeX XML Cite \textit{S.-M. Jung} and \textit{B. Kim}, Nonlinear Funct. Anal. Appl. 26, No. 1, 157--164 (2021; Zbl 1476.34118) Full Text: Link OpenURL
Tao, Yujie; You, Qiaoli; Li, Xiaoping Approximation factors and subdivision’s number of piecewise linear functions in low dimensional space. (Chinese. English summary) Zbl 07448541 J. Northeast Norm. Univ., Nat. Sci. Ed. 53, No. 2, 19-24 (2021). MSC: 41A30 PDF BibTeX XML Cite \textit{Y. Tao} et al., J. Northeast Norm. Univ., Nat. Sci. Ed. 53, No. 2, 19--24 (2021; Zbl 07448541) Full Text: DOI OpenURL
Liang, Zhen; Ruan, Huo-Jun Construction and box dimension of recurrent fractal interpolation surfaces. (English) Zbl 07445559 J. Fractal Geom. 8, No. 3, 261-288 (2021). Reviewer: Peter Massopust (München) MSC: 28A80 41A30 PDF BibTeX XML Cite \textit{Z. Liang} and \textit{H.-J. Ruan}, J. Fractal Geom. 8, No. 3, 261--288 (2021; Zbl 07445559) Full Text: DOI arXiv OpenURL
Wu, Zongmin; Zhang, Ran Probabilistic solutions to DAEs learning from physical data. (English) Zbl 07442758 Anal. Appl., Singap. 19, No. 6, 1093-1111 (2021). MSC: 65L80 65P20 65Z05 41A30 PDF BibTeX XML Cite \textit{Z. Wu} and \textit{R. Zhang}, Anal. Appl., Singap. 19, No. 6, 1093--1111 (2021; Zbl 07442758) Full Text: DOI OpenURL
Prakash, Chandra; Verma, Durvesh Kumar; Deo, Naokant Approximation by a new sequence of operators involving Apostol-Genocchi polynomials. (English) Zbl 07438448 Math. Slovaca 71, No. 5, 1179-1188 (2021). MSC: 41A25 41A30 PDF BibTeX XML Cite \textit{C. Prakash} et al., Math. Slovaca 71, No. 5, 1179--1188 (2021; Zbl 07438448) Full Text: DOI OpenURL
Khanna, N.; Kaushik, S. K.; Pap, M. Periodized wavelet packets on bounded subsets of \(\mathbb{R}\). (English) Zbl 1479.42094 J. Contemp. Math. Anal., Armen. Acad. Sci. 56, No. 4, 234-244 (2021) and Izv. Nats. Akad. Nauk 56, No. 4, 48-61 (2021). Reviewer: Haydar Akca (Abu Dhabi) MSC: 42C40 42A38 41A30 94A12 PDF BibTeX XML Cite \textit{N. Khanna} et al., J. Contemp. Math. Anal., Armen. Acad. Sci. 56, No. 4, 234--244 (2021; Zbl 1479.42094) Full Text: DOI OpenURL
Acu, Ana-Maria; Rasa, Ioan Iterates and invariant measures for Markov operators. (English) Zbl 07432903 Result. Math. 76, No. 4, Paper No. 218, 16 p. (2021). Reviewer: Vijay Gupta (New Delhi) MSC: 41A25 41A30 PDF BibTeX XML Cite \textit{A.-M. Acu} and \textit{I. Rasa}, Result. Math. 76, No. 4, Paper No. 218, 16 p. (2021; Zbl 07432903) Full Text: DOI OpenURL
Azagra, Daniel; Hajłasz, Piotr Lusin-type properties of convex functions and convex bodies. (English) Zbl 07430431 J. Geom. Anal. 31, No. 12, 11685-11701 (2021). MSC: 26B25 28A75 41A30 52A20 52A27 53C45 PDF BibTeX XML Cite \textit{D. Azagra} and \textit{P. Hajłasz}, J. Geom. Anal. 31, No. 12, 11685--11701 (2021; Zbl 07430431) Full Text: DOI arXiv OpenURL
Whebell, Riley M.; Moroney, Timothy J.; Turner, Ian W.; Pethiyagoda, Ravindra; McCue, Scott W. Implicit reconstructions of thin leaf surfaces from large, noisy point clouds. (English) Zbl 1481.65033 Appl. Math. Modelling 98, 416-434 (2021). MSC: 65D05 41A30 92C80 PDF BibTeX XML Cite \textit{R. M. Whebell} et al., Appl. Math. Modelling 98, 416--434 (2021; Zbl 1481.65033) Full Text: DOI arXiv OpenURL
Nakatsukasa, Yuji; Trefethen, Lloyd N. Reciprocal-log approximation and planar PDE solvers. (English) Zbl 1482.65220 SIAM J. Numer. Anal. 59, No. 6, 2801-2822 (2021). Reviewer: Marius Ghergu (Dublin) MSC: 65N35 41A30 65E05 PDF BibTeX XML Cite \textit{Y. Nakatsukasa} and \textit{L. N. Trefethen}, SIAM J. Numer. Anal. 59, No. 6, 2801--2822 (2021; Zbl 1482.65220) Full Text: DOI arXiv OpenURL
Kačinskaitė, Roma; Matsumoto, Kohji The discrete case of the mixed joint universality for a class of certain partial zeta-functions. (English) Zbl 1483.11191 Taiwanese J. Math. 25, No. 4, 647-663 (2021). Reviewer: Anatoly N. Kochubei (Kyïv) MSC: 11M36 11M06 11M41 41A30 30E10 PDF BibTeX XML Cite \textit{R. Kačinskaitė} and \textit{K. Matsumoto}, Taiwanese J. Math. 25, No. 4, 647--663 (2021; Zbl 1483.11191) Full Text: DOI arXiv OpenURL
Hatano, Naoya; Ikeda, Masahiro; Ishikawa, Isao; Sawano, Yoshihiro A global universality of two-layer neural networks with ReLU activations. (English) Zbl 1480.41006 J. Funct. Spaces 2021, Article ID 6637220, 3 p. (2021). MSC: 41A30 68Q06 68T05 PDF BibTeX XML Cite \textit{N. Hatano} et al., J. Funct. Spaces 2021, Article ID 6637220, 3 p. (2021; Zbl 1480.41006) Full Text: DOI arXiv OpenURL
Khader, Mohamed M. Using the generalized Adams-Bashforth-Moulton method for obtaining the numerical solution of some variable-order fractional dynamical models. (English) Zbl 07412224 Int. J. Nonlinear Sci. Numer. Simul. 22, No. 1, 93-98 (2021). MSC: 41A30 65M60 65N12 PDF BibTeX XML Cite \textit{M. M. Khader}, Int. J. Nonlinear Sci. Numer. Simul. 22, No. 1, 93--98 (2021; Zbl 07412224) Full Text: DOI OpenURL
Feichtinger, Hans G.; Gumber, Anupam Completeness of shifted dilates in invariant Banach spaces of tempered distributions. (English) Zbl 07411876 Proc. Am. Math. Soc. 149, No. 12, 5195-5210 (2021). MSC: 43A15 41A30 43A10 41A65 46F05 46B50 43A25 46H25 46A40 PDF BibTeX XML Cite \textit{H. G. Feichtinger} and \textit{A. Gumber}, Proc. Am. Math. Soc. 149, No. 12, 5195--5210 (2021; Zbl 07411876) Full Text: DOI arXiv OpenURL
Campagna, Rosanna; Conti, Costanza Penalized hyperbolic-polynomial splines. (English) Zbl 1479.41003 Appl. Math. Lett. 118, Article ID 107159, 11 p. (2021). Reviewer: Martin D. Buhmann (Gießen) MSC: 41A10 41A15 41A30 PDF BibTeX XML Cite \textit{R. Campagna} and \textit{C. Conti}, Appl. Math. Lett. 118, Article ID 107159, 11 p. (2021; Zbl 1479.41003) Full Text: DOI OpenURL
Jorgensen, Palle; Stewart, David E. Approximation properties of ridge functions and extreme learning machines. (English) Zbl 07406401 SIAM J. Math. Data Sci. 3, No. 3, 815-832 (2021). Reviewer: Lucian Coroianu (Oradea) MSC: 41A30 PDF BibTeX XML Cite \textit{P. Jorgensen} and \textit{D. E. Stewart}, SIAM J. Math. Data Sci. 3, No. 3, 815--832 (2021; Zbl 07406401) Full Text: DOI OpenURL
Stromberg, Marc Sinc methods on polyhedra. (English) Zbl 1479.41014 Baumann, Gerd (ed.), New sinc methods of numerical analysis. Festschrift in honor of Frank Stenger’s 80th birthday. Based on the presentations at the symposium, Rhodes, Greece, September 13–18, 2018. Cham: Birkhäuser. Trends Math., 163-224 (2021). MSC: 41A30 41A63 42C10 65D15 PDF BibTeX XML Cite \textit{M. Stromberg}, in: New sinc methods of numerical analysis. Festschrift in honor of Frank Stenger's 80th birthday. Based on the presentations at the symposium, Rhodes, Greece, September 13--18, 2018. Cham: Birkhäuser. 163--224 (2021; Zbl 1479.41014) Full Text: DOI OpenURL
Navascués, M. A.; Verma, S.; Viswanathan, P. Concerning the vector-valued fractal interpolation functions on the Sierpiński gasket. (English) Zbl 1478.28010 Mediterr. J. Math. 18, No. 5, Paper No. 202, 26 p. (2021). MSC: 28A80 41A30 PDF BibTeX XML Cite \textit{M. A. Navascués} et al., Mediterr. J. Math. 18, No. 5, Paper No. 202, 26 p. (2021; Zbl 1478.28010) Full Text: DOI OpenURL
Bhardwaj, N. Global estimates for generalized double Bernstein operators. (English) Zbl 1475.41005 Azerb. J. Math., Spec. Iss., 135-144 (2021). MSC: 41A10 41A25 41A30 PDF BibTeX XML Cite \textit{N. Bhardwaj}, Azerb. J. Math., 135--144 (2021; Zbl 1475.41005) Full Text: Link OpenURL
Asdrubali, Francesco; Baldinelli, Giorgio; Bianchi, Francesco; Costarelli, Danilo; D’alessandro, Francesco; Scrucca, Flavio; Seracini, Marco; Vinti, Gianluca Mathematical models for the improvement of detection techniques of industrial noise sources from acoustic images. (English) Zbl 07394262 Math. Methods Appl. Sci. 44, No. 13, 10448-10459 (2021). MSC: 65D15 65T99 65C99 41A30 PDF BibTeX XML Cite \textit{F. Asdrubali} et al., Math. Methods Appl. Sci. 44, No. 13, 10448--10459 (2021; Zbl 07394262) Full Text: DOI OpenURL
Gupta, Vijay; Muraru, Carmen Popescu; Radu, Voichiţa Adriana Convergence of certain hybrid operators. (English) Zbl 1477.41010 Rocky Mt. J. Math. 51, No. 4, 1249-1258 (2021). Reviewer: Neha Malik (New Delhi) MSC: 41A25 41A30 41A81 PDF BibTeX XML Cite \textit{V. Gupta} et al., Rocky Mt. J. Math. 51, No. 4, 1249--1258 (2021; Zbl 1477.41010) Full Text: DOI OpenURL
Qu, Wei; Qian, Tao; Deng, Guan-Tie A stochastic sparse representation: \(n\)-best approximation to random signals and computation. (English) Zbl 1471.94012 Appl. Comput. Harmon. Anal. 55, 185-198 (2021). MSC: 94A12 41A30 41A50 30B99 60G35 60G07 60G10 94A08 PDF BibTeX XML Cite \textit{W. Qu} et al., Appl. Comput. Harmon. Anal. 55, 185--198 (2021; Zbl 1471.94012) Full Text: DOI OpenURL
Davydov, Oleg Approximation with conditionally positive definite kernels on deficient sets. (English) Zbl 1477.65034 Fasshauer, Gregory E. (ed.) et al., Approximation theory XVI. Proceedings of the international conference, Nashville, TN, USA, May 19–22, 2019. Cham: Springer. Springer Proc. Math. Stat. 336, 27-38 (2021). MSC: 65D10 65D25 41A30 PDF BibTeX XML Cite \textit{O. Davydov}, Springer Proc. Math. Stat. 336, 27--38 (2021; Zbl 1477.65034) Full Text: DOI arXiv OpenURL
Spreafico, Mauro; Zaccagnini, Alessandro Regularising infinite products by the asymptotics of finite products. (English) Zbl 1482.40002 Albeverio, Sergio (ed.) et al., Schrödinger operators, spectral analysis and number theory. In memory of Erik Balslev. Cham: Springer. Springer Proc. Math. Stat. 348, 255-269 (2021). MSC: 40A20 33B15 41A30 58J52 PDF BibTeX XML Cite \textit{M. Spreafico} and \textit{A. Zaccagnini}, Springer Proc. Math. Stat. 348, 255--269 (2021; Zbl 1482.40002) Full Text: DOI OpenURL
Geist, Moritz; Petersen, Philipp; Raslan, Mones; Schneider, Reinhold; Kutyniok, Gitta Numerical solution of the parametric diffusion equation by deep neural networks. (English) Zbl 1473.35331 J. Sci. Comput. 88, No. 1, Paper No. 22, 37 p. (2021). MSC: 35J99 41A25 41A30 68T05 65N30 PDF BibTeX XML Cite \textit{M. Geist} et al., J. Sci. Comput. 88, No. 1, Paper No. 22, 37 p. (2021; Zbl 1473.35331) Full Text: DOI arXiv OpenURL
Yang, Yubo; Wang, Li-Lian; Zeng, Fanhai Analysis of a backward Euler-type scheme for Maxwell’s equations in a Havriliak-Negami dispersive medium. (English) Zbl 1481.65199 ESAIM, Math. Model. Numer. Anal. 55, No. 2, 479-506 (2021). MSC: 65M70 65M06 65N35 65N30 65E05 65N12 41A10 41A25 41A30 41A58 35B35 33E12 78A25 78A60 26A33 35R11 35Q60 PDF BibTeX XML Cite \textit{Y. Yang} et al., ESAIM, Math. Model. Numer. Anal. 55, No. 2, 479--506 (2021; Zbl 1481.65199) Full Text: DOI arXiv OpenURL
Gupta, Vijay; Holhoş, Adrian Approximation with arbitrary order by Baskakov-type operators preserving exponential functions. (English) Zbl 1477.41009 Bull. Malays. Math. Sci. Soc. (2) 44, No. 4, 2567-2576 (2021). Reviewer: Włodzimierz Łenski (Poznań) MSC: 41A25 41A30 41A36 PDF BibTeX XML Cite \textit{V. Gupta} and \textit{A. Holhoş}, Bull. Malays. Math. Sci. Soc. (2) 44, No. 4, 2567--2576 (2021; Zbl 1477.41009) Full Text: DOI OpenURL
Li, Yun-Zhang; Hussain, Tufail Duality principles for \(F_a \)-frame theory in \(L^2 (\mathbb{R}_+ )\). (English) Zbl 1472.42047 Bull. Malays. Math. Sci. Soc. (2) 44, No. 4, 2401-2423 (2021). Reviewer: Patricia Mariela Morillas (San Luis) MSC: 42C15 42C40 41A30 PDF BibTeX XML Cite \textit{Y.-Z. Li} and \textit{T. Hussain}, Bull. Malays. Math. Sci. Soc. (2) 44, No. 4, 2401--2423 (2021; Zbl 1472.42047) Full Text: DOI OpenURL
Khajehnasiri, A. A.; Safavi, M. Solving fractional Black-Scholes equation by using Boubaker functions. (English) Zbl 07377102 Math. Methods Appl. Sci. 44, No. 11, 8505-8515 (2021). MSC: 65M99 41A30 26A33 35R11 91G20 91G60 35Q91 PDF BibTeX XML Cite \textit{A. A. Khajehnasiri} and \textit{M. Safavi}, Math. Methods Appl. Sci. 44, No. 11, 8505--8515 (2021; Zbl 07377102) Full Text: DOI OpenURL
Gupta, Vijay; Bustamante, J. Kantorovich variant of Jain-Pethe operators. (English) Zbl 1479.41012 Numer. Funct. Anal. Optim. 42, No. 5, 551-566 (2021). Reviewer: Hüseyin Çakallı (Istanbul) MSC: 41A25 41A30 PDF BibTeX XML Cite \textit{V. Gupta} and \textit{J. Bustamante}, Numer. Funct. Anal. Optim. 42, No. 5, 551--566 (2021; Zbl 1479.41012) Full Text: DOI OpenURL
Asgarova, A. Kh.; Ismailov, V. É. A Chebyshev-type theorem characterizing best approximation of a continuous function by elements of the sum of two algebras. (English. Russian original) Zbl 1468.41011 Math. Notes 109, No. 1, 15-20 (2021); translation from Mat. Zametki 109, No. 1, 19-26 (2021). Reviewer: T.S.S.R.K. Rao (Bangalore) MSC: 41A50 41A30 41A65 46E25 PDF BibTeX XML Cite \textit{A. Kh. Asgarova} and \textit{V. É. Ismailov}, Math. Notes 109, No. 1, 15--20 (2021; Zbl 1468.41011); translation from Mat. Zametki 109, No. 1, 19--26 (2021) Full Text: DOI OpenURL
Paramonov, Petr V. Criteria for \(C^1\)-approximability of functions on compact sets in \(\mathbb{R}^N\), \(N\geq3\), by solutions of second-order homogeneous elliptic equations. (English. Russian original) Zbl 1469.35099 Izv. Math. 85, No. 3, 483-505 (2021); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 85, No. 3, 154-177 (2021). MSC: 35J15 35A35 41A30 PDF BibTeX XML Cite \textit{P. V. Paramonov}, Izv. Math. 85, No. 3, 483--505 (2021; Zbl 1469.35099); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 85, No. 3, 154--177 (2021) Full Text: DOI OpenURL
Drake, Kathryn P.; Fuselier, Edward J.; Wright, Grady B. A partition of unity method for divergence-free or curl-free radial basis function approximation. (English) Zbl 07364344 SIAM J. Sci. Comput. 43, No. 3, A1950-A1974 (2021). MSC: 65D12 41A05 41A30 PDF BibTeX XML Cite \textit{K. P. Drake} et al., SIAM J. Sci. Comput. 43, No. 3, A1950--A1974 (2021; Zbl 07364344) Full Text: DOI arXiv OpenURL
Valette, Anna; Valette, Guillaume Approximations in globally subanalytic and Denjoy-Carleman classes. (English) Zbl 1467.14142 Adv. Math. 385, Article ID 107764, 32 p. (2021). Reviewer: Fujita Masato (Kure) MSC: 14P10 32B20 41A30 58A07 PDF BibTeX XML Cite \textit{A. Valette} and \textit{G. Valette}, Adv. Math. 385, Article ID 107764, 32 p. (2021; Zbl 1467.14142) Full Text: DOI OpenURL
Choi, Bosu; Iwen, Mark A.; Krahmer, Felix Sparse harmonic transforms: a new class of sublinear-time algorithms for learning functions of many variables. (English) Zbl 1472.65171 Found. Comput. Math. 21, No. 2, 275-329 (2021). MSC: 65T40 41A30 PDF BibTeX XML Cite \textit{B. Choi} et al., Found. Comput. Math. 21, No. 2, 275--329 (2021; Zbl 1472.65171) Full Text: DOI arXiv OpenURL
Charina, Maria; Protasov, Vladimir Yu. Analytic functions in local shift-invariant spaces and analytic limits of level dependent subdivision. (English) Zbl 1476.46037 J. Fourier Anal. Appl. 27, No. 3, Paper No. 45, 31 p. (2021). MSC: 46E30 42C40 41A30 42B35 65D17 PDF BibTeX XML Cite \textit{M. Charina} and \textit{V. Yu. Protasov}, J. Fourier Anal. Appl. 27, No. 3, Paper No. 45, 31 p. (2021; Zbl 1476.46037) Full Text: DOI arXiv OpenURL
Glaubitz, Jan; Gelb, Anne Stabilizing radial basis function methods for conservation laws using weakly enforced boundary conditions. (English) Zbl 1478.65095 J. Sci. Comput. 87, No. 2, Paper No. 40, 29 p. (2021). Reviewer: Philipp Öffner (Mainz) MSC: 65M70 65M20 65D12 65M12 35L65 41A05 41A30 65D05 PDF BibTeX XML Cite \textit{J. Glaubitz} and \textit{A. Gelb}, J. Sci. Comput. 87, No. 2, Paper No. 40, 29 p. (2021; Zbl 1478.65095) Full Text: DOI arXiv OpenURL
Wang, Dong An efficient iterative method for reconstructing surface from point clouds. (English) Zbl 1471.49002 J. Sci. Comput. 87, No. 1, Paper No. 38, 21 p. (2021). MSC: 49J10 49M05 41A30 PDF BibTeX XML Cite \textit{D. Wang}, J. Sci. Comput. 87, No. 1, Paper No. 38, 21 p. (2021; Zbl 1471.49002) Full Text: DOI arXiv OpenURL
Cantarini, Marco; Costarelli, Danilo; Vinti, Gianluca Asymptotic expansion for neural network operators of the Kantorovich type and high order of approximation. (English) Zbl 1469.41006 Mediterr. J. Math. 18, No. 2, Paper No. 66, 18 p. (2021). Reviewer: Neha Malik (New Delhi) MSC: 41A30 41A05 41A25 47A58 PDF BibTeX XML Cite \textit{M. Cantarini} et al., Mediterr. J. Math. 18, No. 2, Paper No. 66, 18 p. (2021; Zbl 1469.41006) Full Text: DOI OpenURL
Karvonen, Toni; Särkkä, Simo; Tanaka, Ken’ichiro Correction to: “Kernel-based interpolation at approximate Fekete points”. (English) Zbl 1475.41001 Numer. Algorithms 87, No. 1, 469-471 (2021). Reviewer: Martin D. Buhmann (Gießen) MSC: 41A05 41A30 65D05 65D12 PDF BibTeX XML Cite \textit{T. Karvonen} et al., Numer. Algorithms 87, No. 1, 469--471 (2021; Zbl 1475.41001) Full Text: DOI OpenURL
Karvonen, Toni; Särkkä, Simo; Tanaka, Ken’ichiro Kernel-based interpolation at approximate Fekete points. (English) Zbl 07340131 Numer. Algorithms 87, No. 1, 445-468 (2021); correction ibid. 87, No. 1, 469-471 (2021). Reviewer: Martin D. Buhmann (Gießen) MSC: 41A05 41A30 65D05 65D12 PDF BibTeX XML Cite \textit{T. Karvonen} et al., Numer. Algorithms 87, No. 1, 445--468 (2021; Zbl 07340131) Full Text: DOI arXiv OpenURL
Jha, Sangita; Chand, A. K. B.; Navascués, M. A. Approximation by shape preserving fractal functions with variable scalings. (English) Zbl 1469.41004 Calcolo 58, No. 1, Paper No. 8, 24 p. (2021). Reviewer: Francisco Pérez Acosta (La Laguna) MSC: 41A29 28A80 41A15 41A30 41A50 42A15 PDF BibTeX XML Cite \textit{S. Jha} et al., Calcolo 58, No. 1, Paper No. 8, 24 p. (2021; Zbl 1469.41004) Full Text: DOI OpenURL
Hrabova, Ulyana Z.; Kal’chuk, Inna V.; Filozof, Leontii I. Approximative properties of the three-harmonic Poisson integrals on the classes \({W}_{\beta}^r{H}^{\alpha } \). (English. Ukrainian original) Zbl 1461.42002 J. Math. Sci., New York 254, No. 3, 397-405 (2021); translation from Ukr. Mat. Visn. 17, No. 4, 538-548 (2020). MSC: 42A10 41A30 42A05 PDF BibTeX XML Cite \textit{U. Z. Hrabova} et al., J. Math. Sci., New York 254, No. 3, 397--405 (2021; Zbl 1461.42002); translation from Ukr. Mat. Visn. 17, No. 4, 538--548 (2020) Full Text: DOI OpenURL
Ruan, Huo-Jun; Xiao, Jian-Ci; Yang, Bing Existence and box dimension of general recurrent fractal interpolation functions. (English) Zbl 1462.28010 Bull. Aust. Math. Soc. 103, No. 2, 278-290 (2021). Reviewer: Symon Serbenyuk (Kyïv) MSC: 28A80 41A30 PDF BibTeX XML Cite \textit{H.-J. Ruan} et al., Bull. Aust. Math. Soc. 103, No. 2, 278--290 (2021; Zbl 1462.28010) Full Text: DOI OpenURL
Goh, Say Song; Goodman, Tim N. T.; Lee, S. L. Orthogonal polynomials, biorthogonal polynomials and spline functions. (English) Zbl 1460.41004 Appl. Comput. Harmon. Anal. 52, 141-164 (2021). Reviewer: Martin D. Buhmann (Gießen) MSC: 41A15 41A30 41A58 42A38 33C45 65D07 PDF BibTeX XML Cite \textit{S. S. Goh} et al., Appl. Comput. Harmon. Anal. 52, 141--164 (2021; Zbl 1460.41004) Full Text: DOI OpenURL
Coroianu, Lucian; Costarelli, Danilo; Gal, Sorin G.; Vinti, Gianluca Approximation by max-product sampling Kantorovich operators with generalized kernels. (English) Zbl 1464.41004 Anal. Appl., Singap. 19, No. 2, 219-244 (2021). Reviewer: Włodzimierz Łenski (Poznań) MSC: 41A25 41A05 41A30 47A58 PDF BibTeX XML Cite \textit{L. Coroianu} et al., Anal. Appl., Singap. 19, No. 2, 219--244 (2021; Zbl 1464.41004) Full Text: DOI OpenURL
Capuani, Rossana; Dutta, Prerona; Nguyen, Khai T. Metric entropy for functions of bounded total generalized variation. (English) Zbl 1459.35265 SIAM J. Math. Anal. 53, No. 1, 1168-1190 (2021). MSC: 35L02 35L65 41A30 PDF BibTeX XML Cite \textit{R. Capuani} et al., SIAM J. Math. Anal. 53, No. 1, 1168--1190 (2021; Zbl 1459.35265) Full Text: DOI arXiv OpenURL
Doerr, Benjamin; Mayer, Sebastian The recovery of ridge functions on the hypercube suffers from the curse of dimensionality. (English) Zbl 1460.65014 J. Complexity 63, Article ID 101521, 30 p. (2021). MSC: 65D15 65Y20 41A30 41A63 PDF BibTeX XML Cite \textit{B. Doerr} and \textit{S. Mayer}, J. Complexity 63, Article ID 101521, 30 p. (2021; Zbl 1460.65014) Full Text: DOI arXiv OpenURL
Li, Youfa; Huang, Yanfen; Zhou, Chunxu Reconstruction of spline spectra-signals from generalized sinc function by finitely many samples. (English) Zbl 1457.42054 Banach J. Math. Anal. 15, No. 2, Paper No. 33, 22 p. (2021). MSC: 42C40 41A30 42A16 94A12 94A20 PDF BibTeX XML Cite \textit{Y. Li} et al., Banach J. Math. Anal. 15, No. 2, Paper No. 33, 22 p. (2021; Zbl 1457.42054) Full Text: DOI OpenURL
Almira, J. M.; Lopez-de-Teruel, P. E.; Romero-López, D. J.; Voiglaender, F. Negative results for approximation using single layer and multilayer feedforward neural networks. (English) Zbl 07309692 J. Math. Anal. Appl. 494, No. 1, Article ID 124584, 11 p. (2021). MSC: 68T07 41A30 PDF BibTeX XML Cite \textit{J. M. Almira} et al., J. Math. Anal. Appl. 494, No. 1, Article ID 124584, 11 p. (2021; Zbl 07309692) Full Text: DOI arXiv OpenURL
E, Weinan; Wojtowytsch, Stephan Kolmogorov width decay and poor approximators in machine learning: shallow neural networks, random feature models and neural tangent kernels. (English) Zbl 07307666 Res. Math. Sci. 8, No. 1, Paper No. 5, 28 p. (2021). MSC: 68T07 41A30 41A65 46E15 46E22 PDF BibTeX XML Cite \textit{W. E} and \textit{S. Wojtowytsch}, Res. Math. Sci. 8, No. 1, Paper No. 5, 28 p. (2021; Zbl 07307666) Full Text: DOI arXiv OpenURL
Wenzel, Tizian; Santin, Gabriele; Haasdonk, Bernard A novel class of stabilized greedy kernel approximation algorithms: convergence, stability and uniform point distribution. (English) Zbl 1458.65018 J. Approx. Theory 262, Article ID 105508, 31 p. (2021). MSC: 65D15 41A30 41A63 PDF BibTeX XML Cite \textit{T. Wenzel} et al., J. Approx. Theory 262, Article ID 105508, 31 p. (2021; Zbl 1458.65018) Full Text: DOI arXiv OpenURL
Moshtaghi, Nasrin; Saadatmandi, Abbas Polynomial-Sinc collocation method combined with the Legendre-Gauss quadrature rule for numerical solution of distributed order fractional differential equations. (English) Zbl 1461.65223 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 115, No. 2, Paper No. 47, 23 p. (2021). MSC: 65L60 26A33 41A30 PDF BibTeX XML Cite \textit{N. Moshtaghi} and \textit{A. Saadatmandi}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 115, No. 2, Paper No. 47, 23 p. (2021; Zbl 1461.65223) Full Text: DOI OpenURL
Angeloni, Laura; Costarelli, Danilo; Vinti, Gianluca Approximation properties of mixed sampling-Kantorovich operators. (English) Zbl 1454.41005 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 115, No. 1, Paper No. 4, 13 p. (2021). Reviewer: Zoltán Finta (Cluj-Napoca) MSC: 41A30 41A05 PDF BibTeX XML Cite \textit{L. Angeloni} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 115, No. 1, Paper No. 4, 13 p. (2021; Zbl 1454.41005) Full Text: DOI OpenURL
Agarwal, Praveen; Ramadan, Mohamed; Osheba, Heba S.; Chu, Yu-Ming Study of hybrid orthonormal functions method for solving second kind fuzzy Fredholm integral equations. (English) Zbl 07507499 Adv. Difference Equ. 2020, Paper No. 533, 13 p. (2020). MSC: 65T60 65R20 45A05 41A30 PDF BibTeX XML Cite \textit{P. Agarwal} et al., Adv. Difference Equ. 2020, Paper No. 533, 13 p. (2020; Zbl 07507499) Full Text: DOI OpenURL
Yun, CholHui; Ri, MiGyong Box-counting dimension and analytic properties of hidden variable fractal interpolation functions with function contractivity factors. (English) Zbl 1483.41001 Chaos Solitons Fractals 134, Article ID 109700, 10 p. (2020). MSC: 41A05 41A30 28A80 26A27 PDF BibTeX XML Cite \textit{C. Yun} and \textit{M. Ri}, Chaos Solitons Fractals 134, Article ID 109700, 10 p. (2020; Zbl 1483.41001) Full Text: DOI OpenURL
Pandey, Ekta; Mishra, R. K. Direct estimates for Gupta type general operators. (English) Zbl 07487169 J. Class. Anal. 17, No. 1, 27-37 (2020). MSC: 41A25 41A30 PDF BibTeX XML Cite \textit{E. Pandey} and \textit{R. K. Mishra}, J. Class. Anal. 17, No. 1, 27--37 (2020; Zbl 07487169) Full Text: DOI OpenURL
Gupta, Vijay; Agrawal, P. N. Aproximation by modified Păltǎnea operators. (English) Zbl 07476476 Publ. Inst. Math., Nouv. Sér. 107(121), 157-164 (2020). MSC: 41A25 41A30 PDF BibTeX XML Cite \textit{V. Gupta} and \textit{P. N. Agrawal}, Publ. Inst. Math., Nouv. Sér. 107(121), 157--164 (2020; Zbl 07476476) Full Text: DOI OpenURL
Beniwal, Man Singh; Singh, V. K. Approximation between modified Baskakov and Srivastava-Gupta operators. (English) Zbl 07476474 Publ. Inst. Math., Nouv. Sér. 107(121), 137-144 (2020). MSC: 41A25 41A30 PDF BibTeX XML Cite \textit{M. S. Beniwal} and \textit{V. K. Singh}, Publ. Inst. Math., Nouv. Sér. 107(121), 137--144 (2020; Zbl 07476474) Full Text: DOI OpenURL
Nigam, H. K.; Mohapatra, R. N.; Murari, K. Wavelet approximation of a function using Chebyshev wavelets. (English) Zbl 07460962 J. Inequal. Appl. 2020, Paper No. 187, 14 p. (2020). MSC: 41A30 42C40 PDF BibTeX XML Cite \textit{H. K. Nigam} et al., J. Inequal. Appl. 2020, Paper No. 187, 14 p. (2020; Zbl 07460962) Full Text: DOI OpenURL
Kačinskaitė, Roma; Matsumoto, Kohji On mixed joint discrete universality for a class of zeta-functions: a further generalization. (English) Zbl 07443820 Math. Model. Anal. 25, No. 4, 569-583 (2020). Reviewer: Giovanni Coppola (Napoli) MSC: 11M06 11M41 11M35 41A30 30E10 PDF BibTeX XML Cite \textit{R. Kačinskaitė} and \textit{K. Matsumoto}, Math. Model. Anal. 25, No. 4, 569--583 (2020; Zbl 07443820) Full Text: DOI arXiv OpenURL
Laurinčikas, Antanas; Šiaučiūnas, Darius; Vadeikis, Gediminas Weighted discrete universality of the Riemann zeta-function. (English) Zbl 1479.11141 Math. Model. Anal. 25, No. 1, 21-36 (2020). MSC: 11M06 41A30 PDF BibTeX XML Cite \textit{A. Laurinčikas} et al., Math. Model. Anal. 25, No. 1, 21--36 (2020; Zbl 1479.11141) Full Text: DOI OpenURL
Jung, Soon-Mo; Choi, Ginkyu Perturbation of the one-dimensional time-independent Schrödinger equation with a rectangular potential barrier. (English) Zbl 1475.34040 Open Math. 18, 1413-1422 (2020). MSC: 34D10 34A40 34A45 39B82 41A30 PDF BibTeX XML Cite \textit{S.-M. Jung} and \textit{G. Choi}, Open Math. 18, 1413--1422 (2020; Zbl 1475.34040) Full Text: DOI OpenURL
Siegel, Jonathan W.; Xu, Jinchao Approximation rates for neural networks with general activation functions. (English) Zbl 1480.41007 Neural Netw. 128, 313-321 (2020). MSC: 41A30 41A25 68T07 PDF BibTeX XML Cite \textit{J. W. Siegel} and \textit{J. Xu}, Neural Netw. 128, 313--321 (2020; Zbl 1480.41007) Full Text: DOI arXiv OpenURL
Patel, Prashantkumar Some approximation properties of King type generalization of modified positive linear operators. (English) Zbl 1466.41013 Appl. Math. E-Notes 20, 323-335 (2020). MSC: 41A36 41A25 41A30 PDF BibTeX XML Cite \textit{P. Patel}, Appl. Math. E-Notes 20, 323--335 (2020; Zbl 1466.41013) Full Text: Link OpenURL
Dutkay, Dorin Ervin; Ranasinghe, Rajitha Parseval frames of piecewise constant functions. (English) Zbl 1464.42023 Oper. Matrices 14, No. 2, 317-331 (2020). MSC: 42C15 42C10 41A30 PDF BibTeX XML Cite \textit{D. E. Dutkay} and \textit{R. Ranasinghe}, Oper. Matrices 14, No. 2, 317--331 (2020; Zbl 1464.42023) Full Text: DOI arXiv OpenURL
Jiao, Yujian A novel spectral method for Burgers equation on the real line. (English) Zbl 1468.65164 East Asian J. Appl. Math. 10, No. 3, 532-548 (2020). MSC: 65M70 65L06 65M12 41A30 33C45 76M22 35Q35 PDF BibTeX XML Cite \textit{Y. Jiao}, East Asian J. Appl. Math. 10, No. 3, 532--548 (2020; Zbl 1468.65164) Full Text: DOI OpenURL
Gao, Yuan; Wu, Garidi \(n\)-widths of a periodic function class in Orlicz spaces. (Chinese. English summary) Zbl 1474.41072 Appl. Math., Ser. A (Chin. Ed.) 35, No. 3, 315-322 (2020). MSC: 41A46 41A30 PDF BibTeX XML Cite \textit{Y. Gao} and \textit{G. Wu}, Appl. Math., Ser. A (Chin. Ed.) 35, No. 3, 315--322 (2020; Zbl 1474.41072) Full Text: DOI OpenURL