Song, Wenhua The contraction linear metric projections in \(L_p\) spaces. (English) Zbl 1033.41020 Approximation Theory Appl. 18, No. 4, 20-30 (2002). Reviewer: Khalil Roshdi (Amman) MSC: 41A65 41A50 PDFBibTeX XMLCite \textit{W. Song}, Approximation Theory Appl. 18, No. 4, 20--30 (2002; Zbl 1033.41020)
Kamal, A. On weak Chebyshev subspaces and the property awc1. A survey. (English) Zbl 0997.41016 Approximation Theory Appl. 17, No. 4, 77-89 (2001). Reviewer: Nácere Hayek (La Laguna) MSC: 41A50 46B28 PDFBibTeX XMLCite \textit{A. Kamal}, Approximation Theory Appl. 17, No. 4, 77--89 (2001; Zbl 0997.41016) Full Text: DOI
Doha, E. H.; El-Soubhy, S. I. Some results on the coefficients of integrated expansions of ultraspherical polynomials and their integrals. (English) Zbl 0996.33004 Approximation Theory Appl. 17, No. 3, 69-84 (2001). Reviewer: Alexander Tovstolis (Donetsk) MSC: 33C45 33C55 34A30 45A05 PDFBibTeX XMLCite \textit{E. H. Doha} and \textit{S. I. El-Soubhy}, Approximation Theory Appl. 17, No. 3, 69--84 (2001; Zbl 0996.33004) Full Text: DOI
Lin, Tzuchu Proximity maps, best approximations and fixed points. (English) Zbl 0989.47052 Approximation Theory Appl. 16, No. 4, 1-16 (2000). Reviewer: Sushil Sharma (Ujjain) MSC: 47H10 47H09 46B20 41A50 PDFBibTeX XMLCite \textit{T. Lin}, Approximation Theory Appl. 16, No. 4, 1--16 (2000; Zbl 0989.47052)
Defez, Emilio; Lucas, Jódar On the best approximation matrix problem for integrable matrix functions. (English) Zbl 0980.41023 Approximation Theory Appl. 16, No. 3, 56-71 (2000). Reviewer: J.M.Almira (Linares/Jaén) MSC: 41A50 42B30 42C15 42C30 PDFBibTeX XMLCite \textit{E. Defez} and \textit{J. Lucas}, Approximation Theory Appl. 16, No. 3, 56--71 (2000; Zbl 0980.41023)
Simkani, Mehrdad On propagation of convergence. (English) Zbl 0968.41002 Approximation Theory Appl. 16, No. 1, 36-40 (2000). Reviewer: Jesus Illán González (Vigo) MSC: 41-02 41A10 41A50 PDFBibTeX XMLCite \textit{M. Simkani}, Approximation Theory Appl. 16, No. 1, 36--40 (2000; Zbl 0968.41002)
Rao, G. S.; Saravanan, R. Characterization of best uniform coapproximation. (English) Zbl 0938.41017 Approximation Theory Appl. 15, No. 1, 23-37 (1999). Reviewer: D.Wulbert (La Jolla) MSC: 41A50 PDFBibTeX XMLCite \textit{G. S. Rao} and \textit{R. Saravanan}, Approximation Theory Appl. 15, No. 1, 23--37 (1999; Zbl 0938.41017)
Almira, J. M.; Pérez Acosta, F. Discretization and best approximation in Besov spaces. (English) Zbl 0947.41022 Approximation Theory Appl. 15, No. 2, 22-35 (1999). Reviewer: Costică Moroşanu (Iaşi) MSC: 41A50 PDFBibTeX XMLCite \textit{J. M. Almira} and \textit{F. Pérez Acosta}, Approximation Theory Appl. 15, No. 2, 22--35 (1999; Zbl 0947.41022)
Dragomir, Sever S.; Mabizela, Sizwe Functional inequalities and best approximation. (English) Zbl 0932.41024 Approximation Theory Appl. 14, No. 2, 90-98 (1998). Reviewer: D.Wulbert (La Jolla) MSC: 41A50 PDFBibTeX XMLCite \textit{S. S. Dragomir} and \textit{S. Mabizela}, Approximation Theory Appl. 14, No. 2, 90--98 (1998; Zbl 0932.41024)
Wang, Zhengming Density of Markov systems and zeros of Chebyshev polynomials. (English) Zbl 0926.41017 Approximation Theory Appl. 14, No. 2, 75-77 (1998). Reviewer: J.Gilewicz (Marseille) MSC: 41A50 PDFBibTeX XMLCite \textit{Z. Wang}, Approximation Theory Appl. 14, No. 2, 75--77 (1998; Zbl 0926.41017)
Milev, L. An inequality of Schur’s type. (English) Zbl 0918.41013 Approximation Theory Appl. 14, No. 2, 56-63 (1998). Reviewer: M.G.de Bruin (Delft) MSC: 41A17 33C45 26D10 41A44 PDFBibTeX XMLCite \textit{L. Milev}, Approximation Theory Appl. 14, No. 2, 56--63 (1998; Zbl 0918.41013)
Sheng, Baohuai; Cheng, Guangrong Approximation of modified Lagrange interpolation in Orlicz spaces. (English) Zbl 0907.41015 Approximation Theory Appl. 14, No. 1, 29-35 (1998). Reviewer: R.Mortini (Metz) MSC: 41A25 41A05 46E30 PDFBibTeX XMLCite \textit{B. Sheng} and \textit{G. Cheng}, Approximation Theory Appl. 14, No. 1, 29--35 (1998; Zbl 0907.41015)
Bokhari, M. A.; Chaudhury, M. Anwar; Qadir, Asghar Approximate solution of integral equations and convolution integrals using Legendre polynomials. (English) Zbl 0905.65128 Approximation Theory Appl. 13, No. 2, 11-19 (1997). Reviewer: E.Minchev (Sofia) MSC: 65R20 45E10 PDFBibTeX XMLCite \textit{M. A. Bokhari} et al., Approximation Theory Appl. 13, No. 2, 11--19 (1997; Zbl 0905.65128)
Rao, Geetha S.; Bhaskaramurthi, T. L. Chebyshev centers proximinality and farthest points in strong normed almost linear spaces. (English) Zbl 0908.41028 Approximation Theory Appl. 13, No. 4, 99-111 (1997). Reviewer: D.K.Ugulawa (Tbilisi) MSC: 41A65 PDFBibTeX XMLCite \textit{G. S. Rao} and \textit{T. L. Bhaskaramurthi}, Approximation Theory Appl. 13, No. 4, 99--111 (1997; Zbl 0908.41028)
Boikov, Ilya V. An approximation of analytical functions by local splines. (English) Zbl 0861.41007 Approximation Theory Appl. 12, No. 3, 59-67 (1996). Reviewer: D.Gaier (Gießen) MSC: 41A15 41A63 PDFBibTeX XMLCite \textit{I. V. Boikov}, Approximation Theory Appl. 12, No. 3, 59--67 (1996; Zbl 0861.41007)
Khan, A. R.; Aslam, M.; Hussain, N. Some best approximation results in locally convex spaces. (English) Zbl 0861.41026 Approximation Theory Appl. 12, No. 3, 29-36 (1996). Reviewer: I.Serb (Cluj-Napoca) MSC: 41A50 41A65 PDFBibTeX XMLCite \textit{A. R. Khan} et al., Approximation Theory Appl. 12, No. 3, 29--36 (1996; Zbl 0861.41026)
Wang, Quanlong On set \(\{ N_ k^ -(x)\}_{k=0}^ n\). (English) Zbl 0861.41025 Approximation Theory Appl. 12, No. 2, 45-53 (1996). Reviewer: M.Lenard (Kuwait) MSC: 41A50 PDFBibTeX XMLCite \textit{Q. Wang}, Approximation Theory Appl. 12, No. 2, 45--53 (1996; Zbl 0861.41025)
Li, Chong; Watson, G. A. On vector valued function approximation using a peak norm. (English) Zbl 0852.41020 Approximation Theory Appl. 12, No. 2, 1-12 (1996). MSC: 41A50 41A52 PDFBibTeX XMLCite \textit{C. Li} and \textit{G. A. Watson}, Approximation Theory Appl. 12, No. 2, 1--12 (1996; Zbl 0852.41020)
Wei, Dan On Remes algorithm for the best Chebyshev approximation from varisolvent family. (English) Zbl 0857.41022 Approximation Theory Appl. 12, No. 1, 62-67 (1996). Reviewer: D.Wulbert (La Jolla) MSC: 41A45 PDFBibTeX XMLCite \textit{D. Wei}, Approximation Theory Appl. 12, No. 1, 62--67 (1996; Zbl 0857.41022)
Ivanov, I. V.; Kovacheva, R. K.; Gilewicz, J. Rational functions of best uniform approximation and holomorphic continuation of functions. (English) Zbl 0865.41016 Approximation Theory Appl. 12, No. 1, 1-9 (1996). Reviewer: G.Walz (Mannheim) MSC: 41A20 41A50 PDFBibTeX XMLCite \textit{I. V. Ivanov} et al., Approximation Theory Appl. 12, No. 1, 1--9 (1996; Zbl 0865.41016)
Khan, L. A.; Khan, A. R. An extension of Brosowski-Meinardus theorem on invariant approximation. (English) Zbl 0856.41023 Approximation Theory Appl. 11, No. 4, 1-5 (1995). Reviewer: T.D.Narang (Amritsar) MSC: 41A50 PDFBibTeX XMLCite \textit{L. A. Khan} and \textit{A. R. Khan}, Approximation Theory Appl. 11, No. 4, 1--5 (1995; Zbl 0856.41023)
Reimer, M. Zonal spherical polynomials with minimal \(L_ 1\)-norm. (English) Zbl 0832.41017 Approximation Theory Appl. 11, No. 3, 22-35 (1995). MSC: 41A50 41A10 PDFBibTeX XMLCite \textit{M. Reimer}, Approximation Theory Appl. 11, No. 3, 22--35 (1995; Zbl 0832.41017)
Song, Wenhua The simultaneous approximation in the locally convex spaces. (English) Zbl 0839.41023 Approximation Theory Appl. 11, No. 1, 72-79 (1995). MSC: 41A65 41A28 PDFBibTeX XMLCite \textit{W. Song}, Approximation Theory Appl. 11, No. 1, 72--79 (1995; Zbl 0839.41023)
Xu, Shusheng A note on a strong uniqueness theorem of Strauss. (English) Zbl 0824.41025 Approximation Theory Appl. 11, No. 1, 1-5 (1995). MSC: 41A50 41A30 PDFBibTeX XMLCite \textit{S. Xu}, Approximation Theory Appl. 11, No. 1, 1--5 (1995; Zbl 0824.41025)
Chen, Dirong Best one-sided approximation of convolution classes by cardinal splines. (English) Zbl 0824.41026 Approximation Theory Appl. 10, No. 4, 110-117 (1994). MSC: 41A50 PDFBibTeX XMLCite \textit{D. Chen}, Approximation Theory Appl. 10, No. 4, 110--117 (1994; Zbl 0824.41026)
Carnicer, J. M.; Bastero, J. On best interpolation in Orlicz spaces. (English) Zbl 0830.41021 Approximation Theory Appl. 10, No. 4, 72-84 (1994). Reviewer: I.Serb (Cluj-Napoca) MSC: 41A50 46E30 PDFBibTeX XMLCite \textit{J. M. Carnicer} and \textit{J. Bastero}, Approximation Theory Appl. 10, No. 4, 72--84 (1994; Zbl 0830.41021)
Xie, Tingfan; Wang, Ziyu On the pointwise estimations of approximation of functions and their derivatives by Hermite interpolation. (English) Zbl 0817.41007 Approximation Theory Appl. 10, No. 3, 45-55 (1994). Reviewer: C.Mustăţa (Cluj-Napoca) MSC: 41A05 PDFBibTeX XMLCite \textit{T. Xie} and \textit{Z. Wang}, Approximation Theory Appl. 10, No. 3, 45--55 (1994; Zbl 0817.41007)
Beg, Ismat; Shahzad, Naseer An application of a fixed point theorem to best simultaneous approximation. (English) Zbl 0815.41023 Approximation Theory Appl. 10, No. 3, 1-4 (1994). Reviewer: S.S.Dragomir (Timişoara) MSC: 41A50 41A28 PDFBibTeX XMLCite \textit{I. Beg} and \textit{N. Shahzad}, Approximation Theory Appl. 10, No. 3, 1--4 (1994; Zbl 0815.41023)
Li, Jialing Padé approximants as limits of rational functions of best approximation in Orlicz space. (English) Zbl 0811.41015 Approximation Theory Appl. 10, No. 2, 74-82 (1994). MSC: 41A21 41A20 41A50 41A65 PDFBibTeX XMLCite \textit{J. Li}, Approximation Theory Appl. 10, No. 2, 74--82 (1994; Zbl 0811.41015)
Song, Wenhua The approximation on locally convex spaces. (English) Zbl 0801.41029 Approximation Theory Appl. 10, No. 1, 26-33 (1994). MSC: 41A65 PDFBibTeX XMLCite \textit{W. Song}, Approximation Theory Appl. 10, No. 1, 26--33 (1994; Zbl 0801.41029)
Xu, Shusheng A note on a strong uniqueness theorem of Strauss. (English) Zbl 0795.41022 Approximation Theory Appl. 10, No. 1, 14-19 (1994). MSC: 41A50 PDFBibTeX XMLCite \textit{S. Xu}, Approximation Theory Appl. 10, No. 1, 14--19 (1994; Zbl 0795.41022)
Shrivastava, M. A best approximation property of discrete quadratic interpolatory splines. (English) Zbl 0773.41029 Approximation Theory Appl. 9, No. 2, 81-88 (1993). MSC: 41A50 41A05 41A15 PDFBibTeX XMLCite \textit{M. Shrivastava}, Approximation Theory Appl. 9, No. 2, 81--88 (1993; Zbl 0773.41029)
Shi, Yingguang; Dunham, C. B. Application of Chebyshev sets to multiproducts. (English) Zbl 0769.41026 Approximation Theory Appl. 9, No. 1, 76-81 (1993). MSC: 41A50 PDFBibTeX XMLCite \textit{Y. Shi} and \textit{C. B. Dunham}, Approximation Theory Appl. 9, No. 1, 76--81 (1993; Zbl 0769.41026)
Xu, Zongben; Roach, G. F. On the uniform continuity of metric projections in Banach spaces. (English) Zbl 0767.41035 Approximation Theory Appl. 8, No. 3, 11-20 (1992). Reviewer: S.Cobzaş (Cluj-Napoca) MSC: 41A65 41A50 46B20 PDFBibTeX XMLCite \textit{Z. Xu} and \textit{G. F. Roach}, Approximation Theory Appl. 8, No. 3, 11--20 (1992; Zbl 0767.41035)
Strauss, H. Uniform reciprocal approximation subject to coefficient constraints. (English) Zbl 0755.41031 Approximation Theory Appl. 8, No. 2, 89-102 (1992). MSC: 41A50 41A30 PDFBibTeX XMLCite \textit{H. Strauss}, Approximation Theory Appl. 8, No. 2, 89--102 (1992; Zbl 0755.41031)
Xiong, Zhenxiang Bivariate interpolating polynomials and splines. I. (English) Zbl 0777.41017 Approximation Theory Appl. 8, No. 2, 49-66 (1992). Reviewer: D.Leviatan (Tel Aviv) MSC: 41A15 41A50 41A10 PDFBibTeX XMLCite \textit{Z. Xiong}, Approximation Theory Appl. 8, No. 2, 49--66 (1992; Zbl 0777.41017)
Xu, Shusheng A note on a characterization theorem of Strauss. (English) Zbl 0774.41027 Approximation Theory Appl. 8, No. 2, 46-48 (1992). Reviewer: D.Wulbert (La Jolla) MSC: 41A50 41A28 PDFBibTeX XMLCite \textit{S. Xu}, Approximation Theory Appl. 8, No. 2, 46--48 (1992; Zbl 0774.41027)
Wang, Guanmin The best approximation constant for the Jackson’s type operator \(J_{n,3} (f;x)\). (English) Zbl 0766.41023 Approximation Theory Appl. 8, No. 2, 35-45 (1992). Reviewer: M.W.Müller (Dortmund) MSC: 41A36 41A50 PDFBibTeX XMLCite \textit{G. Wang}, Approximation Theory Appl. 8, No. 2, 35--45 (1992; Zbl 0766.41023)
Luo, Zhuhua Generalized simultaneous Chebyshev approximation. (English) Zbl 0767.41021 Approximation Theory Appl. 8, No. 1, 87-96 (1992). Reviewer: T.Singh (Raipur) MSC: 41A28 41A50 PDFBibTeX XMLCite \textit{Z. Luo}, Approximation Theory Appl. 8, No. 1, 87--96 (1992; Zbl 0767.41021)
Beg, I.; Shahzad, N.; Iqbal, M. Fixed point theorems and best approximation in convex metric spaces. (English) Zbl 0769.41032 Approximation Theory Appl. 8, No. 4, 97-105 (1992). MSC: 41A65 41A50 PDFBibTeX XMLCite \textit{I. Beg} et al., Approximation Theory Appl. 8, No. 4, 97--105 (1992; Zbl 0769.41032)
Legg, D.; Townsend, D. Continuous and discrete n-convex approximations. (English) Zbl 0769.41025 Approximation Theory Appl. 8, No. 4, 28-34 (1992). MSC: 41A50 41A65 41A05 PDFBibTeX XMLCite \textit{D. Legg} and \textit{D. Townsend}, Approximation Theory Appl. 8, No. 4, 28--34 (1992; Zbl 0769.41025)
Xu, Shusheng General characterization of best approximation and its application to uniform approximation with restricted ranges. (English) Zbl 0761.41031 Approximation Theory Appl. 7, No. 4, 76-92 (1991). Reviewer: T.D.Narang (Amritsar) MSC: 41A50 41A65 PDFBibTeX XMLCite \textit{S. Xu}, Approximation Theory Appl. 7, No. 4, 76--92 (1991; Zbl 0761.41031)
Egger, A.; Huotari, R. Polya properties in sequence spaces. (English) Zbl 0761.41039 Approximation Theory Appl. 7, No. 3, 77-85 (1991). Reviewer: T.D.Narang (Amritsar) MSC: 41A65 41A50 PDFBibTeX XMLCite \textit{A. Egger} and \textit{R. Huotari}, Approximation Theory Appl. 7, No. 3, 77--85 (1991; Zbl 0761.41039)
Su, Xiaoye Convexity in best \(L_ 2\) local approximation. (English) Zbl 0758.41030 Approximation Theory Appl. 7, No. 1, 16-22 (1991). MSC: 41A50 PDFBibTeX XMLCite \textit{X. Su}, Approximation Theory Appl. 7, No. 1, 16--22 (1991; Zbl 0758.41030)
Marano, M. Strict approximation on closed convex sets. (English) Zbl 0729.41030 Approximation Theory Appl. 6, No. 1, 99-109 (1990). Reviewer: I.Serb (Cluj-Napoca) MSC: 41A50 14G20 PDFBibTeX XMLCite \textit{M. Marano}, Approximation Theory Appl. 6, No. 1, 99--109 (1990; Zbl 0729.41030)
Legg, D. A.; Townsend, D. W. The Polya-1 property for convex approximation. (English) Zbl 0724.41023 Approximation Theory Appl. 6, No. 4, 9-17 (1990). MSC: 41A50 41A10 PDFBibTeX XMLCite \textit{D. A. Legg} and \textit{D. W. Townsend}, Approximation Theory Appl. 6, No. 4, 9--17 (1990; Zbl 0724.41023)
Jiang, Yuanlin The pointwise complete asymptotic expansion for the approximation of Lipschitz functions by Hermite-Fejer interpolation polynomials. (English) Zbl 0709.41026 Approximation Theory Appl. 6, No. 2, 79-86 (1990). MSC: 41A60 41A05 41A10 PDFBibTeX XMLCite \textit{Y. Jiang}, Approximation Theory Appl. 6, No. 2, 79--86 (1990; Zbl 0709.41026)
Huang, Daren; Fang, Gensun The uniqueness of optimal quadrature formula and optimal interpolation knots with multiplicities in \(L_ 1\). (English) Zbl 0709.41025 Approximation Theory Appl. 6, No. 2, 13-27 (1990). MSC: 41A50 41A55 PDFBibTeX XMLCite \textit{D. Huang} and \textit{G. Fang}, Approximation Theory Appl. 6, No. 2, 13--27 (1990; Zbl 0709.41025)
Gyn, N.; Ron, A. Cardinal translation invariant Tchebycheffian B-splines. (English) Zbl 0709.41008 Approximation Theory Appl. 6, No. 2, 1-12 (1990). MSC: 41A15 PDFBibTeX XMLCite \textit{N. Gyn} and \textit{A. Ron}, Approximation Theory Appl. 6, No. 2, 1--12 (1990; Zbl 0709.41008)
Sudolski, J.; Wójcik, A. P. Some remarks on strong uniqueness of best approximation. (English) Zbl 0704.41016 Approximation Theory Appl. 6, No. 2, 44-78 (1990). MSC: 41A50 41A52 PDFBibTeX XMLCite \textit{J. Sudolski} and \textit{A. P. Wójcik}, Approximation Theory Appl. 6, No. 2, 44--78 (1990; Zbl 0704.41016)
Swetits, J. J.; Weinstein, S. E. Construction of a best monotone approximation in \(l_ p\) for \(1<p<\infty\). (English) Zbl 0716.41025 Approximation Theory Appl. 5, No. 3, 69-77 (1989). MSC: 41A50 PDFBibTeX XMLCite \textit{J. J. Swetits} and \textit{S. E. Weinstein}, Approximation Theory Appl. 5, No. 3, 69--77 (1989; Zbl 0716.41025)
Matter, U.; Quak, E. Test functions for quantitative Korovkin theorems in \(L_ p\). (English) Zbl 0716.41021 Approximation Theory Appl. 5, No. 3, 23-34 (1989). MSC: 41A36 41A65 PDFBibTeX XMLCite \textit{U. Matter} and \textit{E. Quak}, Approximation Theory Appl. 5, No. 3, 23--34 (1989; Zbl 0716.41021)
Shi, Yingguang Chebyshev approximation by an \(n\)-dimensional subspace on a set of \(n+1\) points. (English) Zbl 0715.41039 Approximation Theory Appl. 5, No. 3, 1-4 (1989). MSC: 41A50 41A65 PDFBibTeX XMLCite \textit{Y. Shi}, Approximation Theory Appl. 5, No. 3, 1--4 (1989; Zbl 0715.41039)
Swetits, J. J.; Weinstein, S. E. Best monotone approximation and the Hardy-Littlewood maximal function. (English) Zbl 0714.41040 Approximation Theory Appl. 5, No. 3, 35-39 (1989). MSC: 41A50 42B25 PDFBibTeX XMLCite \textit{J. J. Swetits} and \textit{S. E. Weinstein}, Approximation Theory Appl. 5, No. 3, 35--39 (1989; Zbl 0714.41040)
Zhou, Songping A problem on simultaneous approximation and a conjecture of Hasson. (English) Zbl 0701.41025 Approximation Theory Appl. 5, No. 1, 11-14 (1989). Reviewer: T.D.Narang MSC: 41A28 41A50 41A10 PDFBibTeX XMLCite \textit{S. Zhou}, Approximation Theory Appl. 5, No. 1, 11--14 (1989; Zbl 0701.41025)
Sommer, M.; Strauss, H. Chebyshev rank in one-sided \(L^ 1\)-approximation. (English) Zbl 0699.41036 Approximation Theory Appl. 5, No. 4, 79-94 (1989). MSC: 41A65 PDFBibTeX XMLCite \textit{M. Sommer} and \textit{H. Strauss}, Approximation Theory Appl. 5, No. 4, 79--94 (1989; Zbl 0699.41036)
Freund, R. On polynomial approximations to \(f_ a(z)(z-a)^{-1}\) with complex a and some applications to certain non-Hermitian matrices. (English) Zbl 0693.41009 Approximation Theory Appl. 5, No. 1, 15-31 (1989). Reviewer: A.Lukashov MSC: 41A10 41A50 30E10 15A06 15A09 PDFBibTeX XMLCite \textit{R. Freund}, Approximation Theory Appl. 5, No. 1, 15--31 (1989; Zbl 0693.41009)
Shi, Yingguang A class of functions having the same best approximation for all \(L_ p\) norms (1\(\leq p\leq \infty)\). (English) Zbl 0684.41019 Approximation Theory Appl. 5, No. 1, 69-72 (1989). MSC: 41A50 41A30 PDFBibTeX XMLCite \textit{Y. Shi}, Approximation Theory Appl. 5, No. 1, 69--72 (1989; Zbl 0684.41019)
Shi, Yingguang A generalized Chebyshev theory. (English) Zbl 0683.41033 Approximation Theory Appl. 5, No. 2, 93-98 (1989). Reviewer: Guanglu Zhang MSC: 41A50 41A65 41A45 PDFBibTeX XMLCite \textit{Y. Shi}, Approximation Theory Appl. 5, No. 2, 93--98 (1989; Zbl 0683.41033)
Huotari, R.; Legg, D.; Townsend, D. Existence of best n-convex approximants in \(L_ 1\). (English) Zbl 0681.41020 Approximation Theory Appl. 5, No. 2, 51-57 (1989). Reviewer: T.D.Narang MSC: 41A50 PDFBibTeX XMLCite \textit{R. Huotari} et al., Approximation Theory Appl. 5, No. 2, 51--57 (1989; Zbl 0681.41020)
Xu, Shusheng Comparison between the best approximations by lacunary and ordinary polynomials. (English) Zbl 0669.41019 Approximation Theory Appl. 5, No. 1, 33-45 (1989). MSC: 41A50 41A10 PDFBibTeX XMLCite \textit{S. Xu}, Approximation Theory Appl. 5, No. 1, 33--45 (1989; Zbl 0669.41019)
Tian, Jishan; Wang, Ziyu On the approximation of the continuous functions by some Hermite-Fejér interpolation polynomials. (English) Zbl 0669.41005 Approximation Theory Appl. 5, No. 1, 63-67 (1989). MSC: 41A05 41A10 PDFBibTeX XMLCite \textit{J. Tian} and \textit{Z. Wang}, Approximation Theory Appl. 5, No. 1, 63--67 (1989; Zbl 0669.41005)
Dunham, C. B. The strong Young condition and restricted powered rationals. (English) Zbl 0672.41020 Approximation Theory Appl. 4, No. 4, 103-107 (1988). Reviewer: I.Şerb MSC: 41A50 PDFBibTeX XMLCite \textit{C. B. Dunham}, Approximation Theory Appl. 4, No. 4, 103--107 (1988; Zbl 0672.41020)
Shi, Yingguang The modified L approximation theory. (English) Zbl 0671.41018 Approximation Theory Appl. 4, No. 3, 109-119 (1988). Reviewer: G.D.Taylor MSC: 41A50 PDFBibTeX XMLCite \textit{Y. Shi}, Approximation Theory Appl. 4, No. 3, 109--119 (1988; Zbl 0671.41018)
Cuenya, H. Padé approximants as limits of best \(L^ p\) rational approximants. (English) Zbl 0671.41010 Approximation Theory Appl. 4, No. 2, 75-77 (1988). Reviewer: M.G.de Bruin MSC: 41A21 41A20 41A50 PDFBibTeX XMLCite \textit{H. Cuenya}, Approximation Theory Appl. 4, No. 2, 75--77 (1988; Zbl 0671.41010)
Dunham, Charles B. Uniqueness of real linear Chebyshev approximations nearby. (English) Zbl 0707.41034 Approximation Theory Appl. 3, No. 2-3, 106-114 (1987). Reviewer: D.Wulbert MSC: 41A65 41A50 PDFBibTeX XMLCite \textit{C. B. Dunham}, Approximation Theory Appl. 3, No. 2--3, 106--114 (1987; Zbl 0707.41034)
Yang, Yiqun The exact solution of a class of best approximation with convex constraints. (English) Zbl 0676.41032 Approximation Theory Appl. 3, No. 2-3, 24-29 (1987). Reviewer: D.Wulbert MSC: 41A50 41A65 PDFBibTeX XMLCite \textit{Y. Yang}, Approximation Theory Appl. 3, No. 2--3, 24--29 (1987; Zbl 0676.41032)
Xu, Shiying; Li, Chong Characterization of best simultaneous approximation. (English) Zbl 0676.41023 Approximation Theory Appl. 3, No. 4, 190-198 (1987). Reviewer: E.Deeba MSC: 41A28 41A44 41A50 PDFBibTeX XMLCite \textit{S. Xu} and \textit{C. Li}, Approximation Theory Appl. 3, No. 4, 190--198 (1987; Zbl 0676.41023)
Anastassiou, George A. Lévy radius of a set of probability measures satisfying moment conditions involving a Tchebycheff system. (English) Zbl 0646.60020 Approximation Theory Appl. 3, No. 2-3, 50-65 (1987). Reviewer: R.Wegmann MSC: 60E15 41A65 PDFBibTeX XMLCite \textit{G. A. Anastassiou}, Approximation Theory Appl. 3, No. 2--3, 50--65 (1987; Zbl 0646.60020)
He, Jiaxing Derivative-approximation by S. N. Bernstein interpolation process. (English) Zbl 0645.41003 Approximation Theory Appl. 3, No. 2-3, 123-138 (1987). Reviewer: M.Reimer MSC: 41A05 41A36 PDFBibTeX XMLCite \textit{J. He}, Approximation Theory Appl. 3, No. 2--3, 123--138 (1987; Zbl 0645.41003)
Berens, H.; Schmid, H. J. An example of a Chebyshev set. (English) Zbl 0641.41024 Approximation Theory Appl. 3, No. 1, 37-41 (1987). Reviewer: G.D.Taylor MSC: 41A65 41A50 41A99 PDFBibTeX XMLCite \textit{H. Berens} and \textit{H. J. Schmid}, Approximation Theory Appl. 3, No. 1, 37--41 (1987; Zbl 0641.41024)
Brosowski, Bruno; Guerreiro, Claudia On the uniqueness and strong uniqueness of best rational Chebyshev approximation. (English) Zbl 0625.41017 Approximation Theory Appl. 3, No. 1, 49-70 (1987). MSC: 41A50 41A20 PDFBibTeX XMLCite \textit{B. Brosowski} and \textit{C. Guerreiro}, Approximation Theory Appl. 3, No. 1, 49--70 (1987; Zbl 0625.41017)
Dunham, Charles B. Chebyshev approximation by powered products. (English) Zbl 0619.41019 Approximation Theory Appl. 3, No. 1, 43-48 (1987). MSC: 41A50 PDFBibTeX XMLCite \textit{C. B. Dunham}, Approximation Theory Appl. 3, No. 1, 43--48 (1987; Zbl 0619.41019)
Blatt, Hans-Peter Near circularity and zeros of the error function for Chebyshev approximation on a disk. (English) Zbl 0626.41012 Approximation Theory Appl. 2, No. 1, 65-80 (1986). Reviewer: I.Şerb MSC: 41A50 PDFBibTeX XMLCite \textit{H.-P. Blatt}, Approximation Theory Appl. 2, No. 1, 65--80 (1986; Zbl 0626.41012)
Köhler, Peter Asymptotically best quadrature formulas for integrals with a continuous weight function. (English) Zbl 0618.41021 Approximation Theory Appl. 2, No. 3, 77-97 (1986). Reviewer: P.Achuthan MSC: 41A50 41A55 PDFBibTeX XMLCite \textit{P. Köhler}, Approximation Theory Appl. 2, No. 3, 77--97 (1986; Zbl 0618.41021)
Dunham, Charles B. Intervals of near-degeneracy in rational approximation. (English) Zbl 0612.41023 Approximation Theory Appl. 2, No. 2, 73-76 (1986). Reviewer: G.D.Taylor MSC: 41A20 41A50 PDFBibTeX XMLCite \textit{C. B. Dunham}, Approximation Theory Appl. 2, No. 2, 73--76 (1986; Zbl 0612.41023)
Yie, Zaifei; Wang, Xiang; Huang, Daren; Li, Xing On uniqueness of solution to pointwise Landau problem on the finite interval. (English) Zbl 0609.41011 Approximation Theory Appl. 2, No. 4, 39-47 (1986). MSC: 41A15 PDFBibTeX XMLCite \textit{Z. Yie} et al., Approximation Theory Appl. 2, No. 4, 39--47 (1986; Zbl 0609.41011)
Dunham, Charles B. Rational Chebyshev approximation with various denominator constraints. (English) Zbl 0606.41032 Approximation Theory Appl. 2, No. 4, 1-19 (1986). MSC: 41A50 41A20 PDFBibTeX XMLCite \textit{C. B. Dunham}, Approximation Theory Appl. 2, No. 4, 1--19 (1986; Zbl 0606.41032)
Chiacchio, Ary O. Existence of Chebyshev centers in spaces of vector-valued continuous functions. (English) Zbl 0591.41022 Approximation Theory Appl. 2, No. 1, 81-92 (1986). MSC: 41A65 41A50 PDFBibTeX XMLCite \textit{A. O. Chiacchio}, Approximation Theory Appl. 2, No. 1, 81--92 (1986; Zbl 0591.41022)
He, Jiaxing The convergence order of the interpolation process by Lagrange polynomials. (English) Zbl 0589.41003 Approximation Theory Appl. 2, No. 1, 93-97 (1986). MSC: 41A05 41A10 26A15 PDFBibTeX XMLCite \textit{J. He}, Approximation Theory Appl. 2, No. 1, 93--97 (1986; Zbl 0589.41003)