Kouchekian, S.; Prokhorov, V. A. On estimates for the ratio of errors in best rational approximation of analytic functions. (English) Zbl 1172.41003 Trans. Am. Math. Soc. 361, No. 5, 2649-2663 (2009). Reviewer: Daniel Wulbert (La Jolla) MSC: 41A20 30E10 PDFBibTeX XMLCite \textit{S. Kouchekian} and \textit{V. A. Prokhorov}, Trans. Am. Math. Soc. 361, No. 5, 2649--2663 (2009; Zbl 1172.41003) Full Text: DOI
Kyriazis, G.; Petrushev, P. New bases for Triebel-Lizorkin and Besov spaces. (English) Zbl 0988.42023 Trans. Am. Math. Soc. 354, No. 2, 749-776 (2002). Reviewer: Richard A.Zalik (Auburn University) MSC: 42C40 46E35 41A17 41A20 PDFBibTeX XMLCite \textit{G. Kyriazis} and \textit{P. Petrushev}, Trans. Am. Math. Soc. 354, No. 2, 749--776 (2002; Zbl 0988.42023) Full Text: DOI
Bultheel, Adhemar; González-Vera, Pablo; Hendriksen, Erik; Njåstad, Olav Asymptotics for orthogonal rational functions. (English) Zbl 0814.42012 Trans. Am. Math. Soc. 346, No. 1, 307-329 (1994). MSC: 42C05 30B70 30D50 41A20 PDFBibTeX XMLCite \textit{A. Bultheel} et al., Trans. Am. Math. Soc. 346, No. 1, 307--329 (1994; Zbl 0814.42012) Full Text: DOI
Wulbert, Daniel Complex approximation of real functions by reciprocals of polynomials. (English) Zbl 0683.41024 Trans. Am. Math. Soc. 316, No. 2, 635-652 (1989). MSC: 41A20 41A27 41A50 PDFBibTeX XMLCite \textit{D. Wulbert}, Trans. Am. Math. Soc. 316, No. 2, 635--652 (1989; Zbl 0683.41024) Full Text: DOI
Ruttan, Arden; Varga, Richard S. A unified theory for real vs. complex rational Chebyshev approximation on an interval. (English) Zbl 0676.41019 Trans. Am. Math. Soc. 312, No. 2, 681-697 (1989). Reviewer: M.Gutknecht MSC: 41A20 41A50 PDFBibTeX XMLCite \textit{A. Ruttan} and \textit{R. S. Varga}, Trans. Am. Math. Soc. 312, No. 2, 681--697 (1989; Zbl 0676.41019) Full Text: DOI
Jia, Rongqing Approximation order from certain spaces of smooth bivariate splines on a three-direction mesh. (English) Zbl 0637.41017 Trans. Am. Math. Soc. 295, 199-212 (1986). MSC: 41A20 PDFBibTeX XMLCite \textit{R. Jia}, Trans. Am. Math. Soc. 295, 199--212 (1986; Zbl 0637.41017) Full Text: DOI
DeVore, Ronald A.; Yu, Xiang-Ming Multivariate rational approximation. (English) Zbl 0605.41016 Trans. Am. Math. Soc. 293, 161-169 (1986). Reviewer: J.Karlsson MSC: 41A20 41A25 41A63 42B25 PDFBibTeX XMLCite \textit{R. A. DeVore} and \textit{X.-M. Yu}, Trans. Am. Math. Soc. 293, 161--169 (1986; Zbl 0605.41016) Full Text: DOI
Levin, A. L.; Lubinsky, D. S. Best rational approximations of entire functions whose Maclaurin series coefficients decrease rapidly and smoothly. (English) Zbl 0604.41017 Trans. Am. Math. Soc. 293, 533-545 (1986). Reviewer: S.M.Mazhar MSC: 41A20 41A21 30E10 PDFBibTeX XMLCite \textit{A. L. Levin} and \textit{D. S. Lubinsky}, Trans. Am. Math. Soc. 293, 533--545 (1986; Zbl 0604.41017) Full Text: DOI
Trefethen, Lloyd N.; Gutknecht, Martin H. Real vs. complex rational Chebyshev approximation on an interval. (English) Zbl 0552.41009 Trans. Am. Math. Soc. 280, 555-561 (1983). Reviewer: J.Karlsson MSC: 41A20 41A52 30E10 PDFBibTeX XMLCite \textit{L. N. Trefethen} and \textit{M. H. Gutknecht}, Trans. Am. Math. Soc. 280, 555--561 (1983; Zbl 0552.41009) Full Text: DOI
Saff, E. B.; Varga, R. S. The sharpness of Lorentz’s theorem on incomplete polynomials. (English) Zbl 0414.41009 Trans. Am. Math. Soc. 249, 163-186 (1979). MSC: 41A25 41A20 33C45 41A60 PDFBibTeX XMLCite \textit{E. B. Saff} and \textit{R. S. Varga}, Trans. Am. Math. Soc. 249, 163--186 (1979; Zbl 0414.41009) Full Text: DOI
Rahman, Q. I.; Schmeisser, G. Rational approximation to \(e^{-x}\). II. (English) Zbl 0386.41010 Trans. Am. Math. Soc. 235, 395-402 (1978). MSC: 41A20 41A25 PDFBibTeX XMLCite \textit{Q. I. Rahman} and \textit{G. Schmeisser}, Trans. Am. Math. Soc. 235, 395--402 (1978; Zbl 0386.41010) Full Text: DOI
Reddy, A. R. Addendum to “Converse theorems and extensions in Chebyshev rational approximation to certain entire functions in \([0,+\infty)\)”. (English) Zbl 0327.41011 Trans. Am. Math. Soc. 186(1973), 499-502 (1974). MSC: 41A20 41A50 PDFBibTeX XMLCite \textit{A. R. Reddy}, Trans. Am. Math. Soc. 186, 499--502 (1974; Zbl 0327.41011) Full Text: DOI
Meinardus, G.; Reddy, A. R.; Taylor, G. D.; Varga, R. S. Converse theorems and extensions in Chebyshev rational approximation to certain entire functions in \([0, + \infty)\). (English) Zbl 0279.41010 Trans. Am. Math. Soc. 170, 171-185 (1972). MSC: 41A20 PDFBibTeX XMLCite \textit{G. Meinardus} et al., Trans. Am. Math. Soc. 170, 171--185 (1972; Zbl 0279.41010) Full Text: DOI
Clancey, K. F.; Putnam, C. R. The local spectral behavior of completely subnormal operators. (English) Zbl 0229.47021 Trans. Am. Math. Soc. 163, 239-244 (1972). MSC: 47B20 47B06 47A10 41A20 PDFBibTeX XMLCite \textit{K. F. Clancey} and \textit{C. R. Putnam}, Trans. Am. Math. Soc. 163, 239--244 (1972; Zbl 0229.47021) Full Text: DOI
Poreda, S. J. Estimates for best approximation to rational functions. (English) Zbl 0227.30034 Trans. Am. Math. Soc. 159, 129-135 (1971). MSC: 30E10 41A50 41A20 PDFBibTeX XMLCite \textit{S. J. Poreda}, Trans. Am. Math. Soc. 159, 129--135 (1971; Zbl 0227.30034) Full Text: DOI