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Found 126 Documents (Results 1–100)

Approximation by iterative combination of a new sequence of linear positive operators. (English) Zbl 1057.41018

Neamtu, Marian (ed.) et al., Advances in constructive approximation: Vanderbilt 2003. Proceedings of the international conference, Nashville, TN, USA, May 14–17, 2003. Brentwood, TN: Nashboro Press (ISBN 0-9728482-2-3/hbk). Modern Methods in Mathematics, 13-24 (2004).
MSC:  41A36 41A35 41A25
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The Sylvester resultant matrix for Bernstein polynomials. (English) Zbl 1043.41004

Lyche, Tom (ed.) et al., Curve and surface design: Saint Malo 2002. Fifth international conference on curves and surfaces, Saint-Malo, France, June 27 – July 3, 2002. Proceedings. Brentwood, TN: Nashboro Press (ISBN 0-9728482-0-7/hbk). Modern Methods in Mathematics, 407-416 (2003).
MSC:  41A05 65F35 15A12
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Saturation of \(k\)-convex operators. (English) Zbl 1054.41016

Madaune-Tort, M. (ed.) et al., 7th Zaragoza-Pau conference on applied and statistical mathematics, Jaca (Huesca), September 17–18, 2001. Zaragoza: Univ. de Zaragoza, Seminario Matemático “García de Galdeano” (ISBN 84-96214-04-4/pbk). Monogr. Semin. Mat. “García de Galdeano” 27, 161-168 (2003).
MSC:  41A40 41A36
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Characterization of weighted \(K\)-functionals by new moduli of smoothness. (English) Zbl 1049.41008

Bojanov, B. D., Constructive theory of functions. Proceedings of the international conference, Varna, Bulgaria, June 19–23, 2002. Sofia: DARBA (ISBN 954-90126-6-2/hbk). 320-326 (2003).
MSC:  41A17 41A25 41A36
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Asymptotic expansion of the Jakimovski-Leviatan operators and their derivatives. (English) Zbl 1039.41015

Leindler, L. (ed.) et al., Functions, series, operators. Alexits memorial conference in honor of the 100th anniversary of the birth of Professor George Alexits (1899–1978), Budapest, Hungary, August 9–13, 1999. Budapest: János Bolyai Mathematical Society (ISBN 963-9453-00-5/hbk). 103-119 (2002).
MSC:  41A36 41A60
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Refinements of Korovkin-type approximation processes. (English) Zbl 1017.41017

Proceedings of the fourth international conference on functional analysis and approximation theory, Acquafredda di Maratea (Potenza), Italy, September 22-28, 2000. Vol. II. Palermo: Circolo Matemàtico di Palermo, Suppl. Rend. Circ. Mat. Palermo, II. Ser. 68(2), 711-725 (2002).
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Products of parametric extensions: Refined estimates. (English) Zbl 0995.41009

Orman, Gabriel V. (ed.) et al., Proceedings of the 2nd international conference on symmetry and antisymmetry in mathematics, formal languages and computer science, satellite conference of 3ECM, Braşov, Romania, June 29-July 1, 2000. Braşov: Editura Universităţii Transilvania. 1-15 (2000).
MSC:  41A25 41A36 41A63
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Direct and converse results for Stancu operators. (English) Zbl 0995.41001

Gonska, H. (ed.) et al., RoGer 2000-Braşov. Proceedings of the 4th Romanian-German seminar on approximation theory and its applications, Braşov, Romania, July 3-5, 2000. Duisburg: Gerhard-Mercator-Universität Duisburg, Fachbereich Mathematik, Schr.reihe Inst. Math., Univ. Duisburg. 44-46 (2000).
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Representation of quasi-interpolants as differential operators and applications. (English) Zbl 0952.41006

Müller, M. W. (ed.) et al., New developments in approximation theory. 2nd international Dortmund meeting (IDoMAT) ’98, Germany, February 23-27, 1998. Basel: Birkhäuser. ISNM, Int. Ser. Numer. Math. 132, 233-253 (1999).
MSC:  41A10 41A36
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Quantitative estimates of Korovkin-type for some shape preserving operators. (English) Zbl 0943.41012

Chen, Zhongying (ed.) et al., Advances in computational mathematics. Proceedings of the Guangzhou international symposium, Zhongshan University, Guangzhou, China. New York, NY: Marcel Dekker. Lect. Notes Pure Appl. Math. 202, 457-464 (1998).
MSC:  41A36 41A10 41A25
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Bivariate polynomial interpolation with asymptotic conditions. (English) Zbl 0949.41001

Chen, Zhongying (ed.) et al., Advances in computational mathematics. Proceedings of the Guangzhou international symposium, Zhongshan University, Guangzhou, China. New York, NY: Marcel Dekker. Lect. Notes Pure Appl. Math. 202, 1-18 (1998).
MSC:  41A05 41A63
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Generalized Lagrangian interpolation, finite-dimensional representations of shift operators, remarkable matrices, trigonometric and elliptic identities. (English) Zbl 0928.41001

Srinivasa Rao, K. (ed.) et al., Special functions and differential equations. Proceedings of a workshop, WSSF ’97, Madras, India, January 13–24, 1997. New Delhi: Allied Publishers Private Limited. 50-59 (1998).
MSC:  41A05
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Polynomial approximation of functions with given order of the \(k\)th generalized modulus of smoothness. (English. Russian original) Zbl 0920.41007

Math. Notes 63, No. 3, 374-383 (1998); translation from Mat. Zametki 63, No. 3, 425-436 (1998).
MSC:  41A25
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Jackson type inequalities for doubling and \(A_P\) weights. (English) Zbl 0908.41005

Proceedings of the 3rd international conference on functional analysis and approximation theory, Acquafredda di Maratea (Potenza), Italy, September 23–28, 1996. Vols. I and II. Palermo: Circolo Matemàtico di Palermo, Suppl. Rend. Circ. Mat. Palermo, II. Ser. 52, 83-99 (1998).
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Bivariate approximation by D. D. Stancu type polynomials on a triangle. (English) Zbl 0898.41021

Stancu, Dimitrie D. (ed.) et al., Approximation and optimization. Proceedings of ICAOR: International conference, Cluj-Napoca, Romania, July 29–August 1, 1996. Volume II. Cluj-Napoca: Transilvania Press, 247-252 (1997).
MSC:  41A36 41A25 41A63
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One construction of cubic convex spline. (English) Zbl 0888.41013

Stancu, Dimitrie D. (ed.) et al., Approximation and optimization. Proceedings of ICAOR: international conference, Cluj-Napoca, Romania, July 29–August 1, 1996. Volume I. Cluj-Napoca: Transilvania Press, 357-368 (1997).
MSC:  41A29 41A15 41A25
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On the rate of convergence of positive polynomial operators. (English) Zbl 0888.41012

Stancu, Dimitrie D. (ed.) et al., Approximation and optimization. Proceedings of ICAOR: international conference, Cluj-Napoca, Romania, July 29–August 1, 1996. Volume I. Cluj-Napoca: Transilvania Press, 255-258 (1997).
MSC:  41A25 41A36
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Global smoothness preservation by blossoms of Bernstein polynomials. (English) Zbl 0847.41010

Bainov, D. (ed.) et al., Proceedings of the third international colloquium on numerical analysis, Plovdiv, Bulgaria, August 13-17, 1994. Utrecht: VSP. 91-95 (1995).
MSC:  41A17 41A36
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Approximation by some operators using certain new moduli of continuity. (English) Zbl 0818.41006

Altomare, F. (ed.) et al., Proceedings of the 2nd international conference in functional analysis and approximation theory, Acquafredda di Maratea (Potenza), September 14-19, 1992. Palermo: Circolo Matemático di Palermo, Suppl. Rend. Circ. Mat. Palermo, II. Ser. 33, 387-397 (1994).
MSC:  41A10 41A25
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