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Found 310 Documents (Results 1–100)

Better rate of convergence by modified integral type operators. (English) Zbl 1475.41011

Shahid, Mohammad Hasan (ed.) et al., Differential geometry, algebra, and analysis. Selected papers based on the presentations at the international conference, ICDGAA 2016, New Delhi, India, November 15–17, 2016. Singapore: Springer. Springer Proc. Math. Stat. 327, 245-259 (2020).
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Best approximation of a differentiation operator on the set of smooth functions with exactly or approximately given Fourier transform. (English) Zbl 1444.41007

Khachay, Michael (ed.) et al., Mathematical optimization theory and operations research. 18th international conference, MOTOR 2019, Ekaterinburg, Russia, July 8–12, 2019. Proceedings. Cham: Springer. Lect. Notes Comput. Sci. 11548, 434-448 (2019).
MSC:  41A50 41A35 42B10
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On pointwise convergence of a family of nonlinear integral operators. (English) Zbl 1429.41019

Singh, Jagdev (ed.) et al., Mathematical modelling, applied analysis and computation. Selected papers of the first international conference, ICMMAAC 2018, JECRC University, Jaipur, India, July 6–8, 2018. Singapore: Springer. Springer Proc. Math. Stat. 272, 69-83 (2019).
MSC:  41A35 41A25 47G10
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Strong asymptotic analysis of OLPs on the unit circle by Riemann-Hilbert approach. (English) Zbl 1417.42029

Rogosin, Sergei (ed.) et al., Analysis as a life. Dedicated to Heinrich Begehr on the occasion of his 80th birthday. Cham: Birkhäuser. Trends Math., 139-169 (2019).
MSC:  42C05 41A35 30G30
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Silent and equivalent magnetic distributions on thin plates. (English) Zbl 1424.78009

Jaming, Philippe (ed.) et al., Harmonic analysis, function theory, operator theory, and their applications. Proceedings of the international conference in honour of Jean Esterle, Bordeaux, France, June 1–4, 2015. Editor list corrected in erratum. Bucharest: The Theta Foundation. Theta Ser. Adv. Math. 19, 11-27 (2017).
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Minimal projections with respect to numerical radius. (English) Zbl 1405.41024

de Jeu, Marcel (ed.) et al., Ordered structures and applications. Positivity VII (Zaanen centennial conference), Leiden, the Netherlands, July 22–26, 2013. Basel: Birkhäuser/Springer (ISBN 978-3-319-27840-7/hbk; 978-3-319-27842-1/ebook). Trends in Mathematics, 1-11 (2016).
MSC:  41A65 41A35 47A12
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Approximation under exponential growth conditions by Szász and Baskakov type operators in the complex plane. (English) Zbl 1370.41032

Rassias, Themistocles M. (ed.) et al., Mathematical analysis, approximation theory and their applications. Cham: Springer (ISBN 978-3-319-31279-8/hbk; 978-3-319-31281-1/ebook). Springer Optimization and Its Applications 111, 235-266 (2016).
MSC:  41A35 30E10 41A25
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Statistical approximation of the \(q\)-Bernstein-Durrmeyer type operators. (English) Zbl 1370.41033

Cao, Bing-Yuan (ed.) et al., Fuzzy systems and operations research and management. Collected papers based on the presentations at the 7th international conference on fuzzy information and engineering, ICFIE 2014 and the 1st international conference of operations research and management, ICORM 2014, Zhuhai, China, November 7–11, 2014. Cham: Springer (ISBN 978-3-319-19104-1/pbk; 978-3-319-19105-8/ebook). Advances in Intelligent Systems and Computing 367, 117-124 (2016).
MSC:  41A35 41A36 41A25
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Approximation to derivatives of functions by linear operators acting on weighted spaces by power series method. (English) Zbl 1355.41016

Anastassiou, George A. (ed.) et al., Computational analysis. AMAT, Ankara, May 2015. Selected contributions presented at the 3rd international conference on applied mathematics and approximation theory, Ankara, Turkey, May 28–31, 2015. Cham: Springer (ISBN 978-3-319-28441-5/hbk; 978-3-319-28443-9/ebook). Springer Proceedings in Mathematics & Statistics 155, 363-372 (2016).
MSC:  41A35 41A36
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Uniform approximation with rates by multivariate generalized discrete singular operators. (English) Zbl 1355.41014

Anastassiou, George A. (ed.) et al., Computational analysis. AMAT, Ankara, May 2015. Selected contributions presented at the 3rd international conference on applied mathematics and approximation theory, Ankara, Turkey, May 28–31, 2015. Cham: Springer (ISBN 978-3-319-28441-5/hbk; 978-3-319-28443-9/ebook). Springer Proceedings in Mathematics & Statistics 155, 33-58 (2016).
MSC:  41A35 41A63
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Bernstein numbers and lower bounds for the Monte Carlo error. (English) Zbl 1356.65011

Cools, Ronald (ed.) et al., Monte Carlo and quasi-Monte Carlo methods. MCQMC. Proceedings of the 11th international conference on ‘Monte Carlo and quasi-Monte Carlo methods in scientific computing’, Leuven, Belgium, April 6–11, 2014. Cham: Springer (ISBN 978-3-319-33505-6/hbk; 978-3-319-33507-0/ebook). Springer Proceedings in Mathematics & Statistics 163, 471-488 (2016).
MSC:  65C05 41A35 41A46
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Simultaneous approximation properties of \(q\)-modified beta operators. (English) Zbl 1337.41006

Agrawal, P. N. (ed.) et al., Mathematical analysis and its applications. Proceedings of the international conference on recent trends in mathematical analyis and its applications, ICRTMAA 2014, Roorkee, India, December 21–23, 2014. New Delhi: Springer (ISBN 978-81-322-2484-6/hbk; 978-81-322-2485-3/ebook). Springer Proceedings in Mathematics & Statistics 143, 169-184 (2015).
MSC:  41A35
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Modified Baskakov-Szász operators based on \(q\)-integers. (English) Zbl 1339.41028

Agrawal, P. N. (ed.) et al., Mathematical analysis and its applications. Proceedings of the international conference on recent trends in mathematical analyis and its applications, ICRTMAA 2014, Roorkee, India, December 21–23, 2014. New Delhi: Springer (ISBN 978-81-322-2484-6/hbk; 978-81-322-2485-3/ebook). Springer Proceedings in Mathematics & Statistics 143, 85-108 (2015).
MSC:  41A36 41A35
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Simultaneous approximation for Stancu-type generalization of certain summation-integral-type operators. (English) Zbl 1325.41010

Milovanović, Gradimir V. (ed.) et al., Analytic number theory, approximation theory, and special functions. In honor of Hari M. Srivastava. New York, NY: Springer (ISBN 978-1-4939-0257-6/hbk; 978-1-4939-0258-3/ebook). 531-548 (2014).
MSC:  41A28 41A35 41A25
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Approximation properties of Phillips operators. (English) Zbl 1318.41013

Rassias, Themistocles M. (ed.) et al., Mathematics without boundaries. Surveys in pure mathematics. New York, NY: Springer (ISBN 978-1-4939-1105-9/hbk; 978-1-4939-1106-6/ebook). 221-243 (2014).
MSC:  41A35
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FM perturbations due to near-identity linear systems. (English) Zbl 1316.94033

Andrews, Travis D. (ed.) et al., Excursions in harmonic analysis. Volume 1. The February Fourier Talks at the Norbert Wiener Center, College Park, MD, USA, 2006–2011. New York, NY: Birkhäuser/Springer (ISBN 978-0-8176-8375-7/hbk; 978-0-8176-8376-4/ebook). Applied and Numerical Harmonic Analysis, 399-431 (2013).
MSC:  94A14 94A12 41A35
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Linear relative \(n\)-widths of sets of smooth functions. (English) Zbl 1430.41013

Nikolov, Geno (ed.) et al., Constructive theory of functions. In memory of Borislav Bojanov. Papers from the international conference, Sozopol, Bulgaria, June 3–10, 2010. Sofia: Prof. Marin Drinov Academic Publishing House. 354-362 (2012).
MSC:  41A35 41A29 41A46
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Chalmers-Metcalf operator and uniqueness of minimal projections in \(\ell^{n}_{\infty}\) and \(\ell^{n}_{1}\) spaces. (English) Zbl 1263.41014

Neamtu, Marian (ed.) et al., Approximation theory XIII: San Antonio 2010. Selected papers based on the presentations at the conference, San Antonio, TX, USA, March 7–10, 2010. New York, NY: Springer (ISBN 978-1-4614-0771-3/hbk; 978-1-4614-0772-0/ebook). Springer Proceedings in Mathematics 13, 331-344 (2012).
MSC:  41A35 41A52
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On a family of positive linear integral operators. (English) Zbl 1248.41026

Brändén, Petter (ed.) et al., Notions of positivity and the geometry of polynomials. Dedicated to the memory of Julius Borcea. Basel: Birkhäuser (ISBN 978-3-0348-0141-6/hbk; 978-3-0348-0142-3/ebook). Trends in Mathematics, 259-274 (2011).
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New kernels of Sard type and applications. (English) Zbl 1470.41034

Proceedings of the sixth international conference on functional analysis and approximation theory, Acquafredda di Maratea, Potenza, Italy, September 24–30, 2009. Palermo: Circolo Matematico di Palermo. Suppl. Rend. Circ. Mat. Palermo (2) 82, 407-420 (2010).
MSC:  41A80 41A35
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Perturbation of generalized inverse of linear operator in Banach space and applications. (English) Zbl 1158.47002

Kato, Mikio (ed.) et al., Proceedings of the 2nd international symposium on Banach and function spaces II (ISBFS 2006), Kitakyushu, Japan, September 14–17, 2006. Yokohama: Yokohama Publishers (ISBN 978-4-946552-29-8/hbk). 221-242 (2008).
MSC:  47A05 41A35 47H14
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Rates of convergence of equi-uniform approximation processes of integral operators. (English) Zbl 1348.41015

Kato, Mikio (ed.) et al., Proceedings of the 2nd international symposium on Banach and function spaces II (ISBFS 2006), Kitakyushu, Japan, September 14–17, 2006. Yokohama: Yokohama Publishers (ISBN 978-4-946552-29-8/hbk). 103-128 (2008).
MSC:  41A35 41A25 47A58
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The norm of an interpolation operator on \(H^\infty(D)\). (English) Zbl 1201.30040

Govil, N. K. (ed.) et al., Frontiers in interpolation and approximation. Dedicated to the memory of Ambikeshwar Sharma. Boca Raton, FL: Chapman & Hall/CRC (ISBN 1-58488-636-6/hbk). Pure and Applied Mathematics (Boca Raton) 282, 33-43 (2007).
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Asymptotic expansion for Szász-Mirakyan operators. (English) Zbl 1152.41307

Simos, Theodore E. (ed.) et al., Numerical analysis and applied mathematics. International conference of numerical analysis and applied mathematics, Corfu, Greece, 16–20 September 2007. Melville, NY: American Institute of Physics (AIP) (ISBN 978-0-7354-0447-2/hbk). AIP Conference Proceedings 936, 779-782 (2007).
MSC:  41A35
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Problems of approximation in Hölder norms. (English) Zbl 1156.41009

Jiménez Pozo, Miguel Antonio (ed.) et al., Tópicos de teoría de la aproximación II. Puebla: Benemérita Universidad Autónoma de Puebla (ISBN 978-968-9282-41-2/pbk). 9-48 (2007).
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Approximation by equi-uniform summation processes of integral operators in Banach spaces. (English) Zbl 1118.41009

Takahashi, Wataru (ed.) et al., Nonlinear analysis and convex analysis. Proceedings of the 4th international conference (NACA 2005), Okinawa, Japan, June 30–July 4, 2005. Yokohama: Yokohama Publishers (ISBN 978-4-946552-27-4/hbk). 485-496 (2007).
MSC:  41A35 41A25
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\(L_p\) convergence with rates of smooth Picard singular operators. (English) Zbl 1294.47067

Agarwal, Ravi P. (ed.) et al., Proceedings of the international conference on differential and difference equations and their applications, Melbourne, FL, USA, August 1–5, 2005. New York: Hindawi Publishing Corporation (ISBN 977-5945-38-0/hbk). 31-45 (2006).
MSC:  47G10 41A35 41A25
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Rate of convergence of a class of Bézier type operators for functions of bounded variation. (English) Zbl 1136.41308

Proceedings of the fifth international conference on functional analysis and approximation theory, Acquafredda di Maratea (Potenza), Italy, June 16–23, 2004. Palermo: Circolo Matemàtico di Palermo. Supplemento ai Rendiconti del Circolo Matemàtico di Palermo. Serie II 76, 177-195 (2005).
MSC:  41A35 41A25
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Approximation in Orlicz spaces for linear integral operators and applications. (English) Zbl 1136.41306

Proceedings of the fifth international conference on functional analysis and approximation theory, Acquafredda di Maratea (Potenza), Italy, June 16–23, 2004. Palermo: Circolo Matemàtico di Palermo. Supplemento ai Rendiconti del Circolo Matemàtico di Palermo. Serie II 76, 103-127 (2005).
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On certain integral refinable operators. (English) Zbl 1087.41017

Simos, Theodore S. (ed.) et al., ICNAAM 2005. International conference on numerical analysis and applied mathematics 2005. Official conference of the European Society of Computational Methods in Sciences and Engineering (ESCMSE), Rhodes, Greek, September 16–20, 2005. Weinheim: Wiley-VCH (ISBN 3-527-40652-2/hbk). 624-627 (2005).
MSC:  41A30 41A35
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Semigroups associated to Mache operators. II. (English) Zbl 1092.41013

Mache, Detlef H. (ed.) et al., Trends and applications in constructive approximation. Papers of the 4th IBoMAT meeting, Witten-Bommerholz, Germany, February 15–19, 2004. Basel: Birkhäuser (ISBN 3-7643-7124-2/hbk). ISNM. International Series of Numerical Mathematics 151, 225-228 (2005).
MSC:  41A35
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On a class of stochastic integral operators of McShane type. (English) Zbl 1068.60084

Gaşpar, D. (ed.) et al., Recent advances in operator theory, operator algebras, and their applications. Proceedings of the 19th international conference on operator theory (OT 19), Timişoara, Romania, June 27–July 2, 2002. Basel: Birkhäuser (ISBN 3-7643-7127-7/hbk). Operator Theory: Advances and Applications 153, 197-209 (2005).
MSC:  60H20 62L20 41A35
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The degree of convergence of equi-uniform approximation processes of integral operators in Banach spaces. (English) Zbl 1132.41317

Takahashi, Wataru (ed.) et al., Nonlinear analysis and convex analysis. Proceedings of the 3rd international conference
(NACA2003), Tokyo, Japan, August 25–29, 2003. Yokohama: Yokohama Publishers (ISBN 4-946552-15-4/hbk). 401-412 (2004).
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A generalization of Durrmeyer-type polynomials and their approximation properties. (English) Zbl 1086.41007

Howard, Frederic T. (ed.), Applications of Fibonacci numbers. Volume 9. Proceedings of the 10th international research conference on Fibonacci numbers and their applications, Northern Arizona University, Flagstaff, AZ, USA, June 24–28, 2002. Dordrecht: Kluwer Academic Publishers (ISBN 1-4020-1938-6 ). 9-18 (2004).
MSC:  41A36 41A10 41A35
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Estimates in terms of the Ditzian-Totik modulus of smoothness in simultaneous approximation by linear operators. (English) Zbl 1087.41019

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, 197-205 (2004).
MSC:  41A35
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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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Linear operators generated by a probability density function. (English) Zbl 1061.41014

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, 1-12 (2004).
MSC:  41A36 41A35
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High order approximation by univariate shift-invariant integral operators. (English) Zbl 1046.41013

Agarwal, Ravi P. (ed.) et al., Nonlinear analysis and applications: To V. Lakshmikantham on his 80th birthday. Vol. 1. Dordrecht: Kluwer Academic Publishers (ISBN 1-4020-1711-1/hbk). 141-164 (2003).
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Asymptotic behavior of Kantorovich type operators. (English) Zbl 1044.41015

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, 399-404 (2003).
MSC:  41A35 41A36
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Qualitative Korovkin-type results on almost convergence. (English) Zbl 1046.41014

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, 331-336 (2003).
MSC:  41A35
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Jackson order of approximation by Riesz means for Freud weights. (English) Zbl 1032.41012

Bojanov, B. D., Constructive theory of functions. Proceedings of the international conference, Varna, Bulgaria, June 19-23, 2002. Sofia: DARBA. 302-308 (2003).
MSC:  41A25 41A35 42C05
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Refinable quasi-interpolatory operators. (English) Zbl 1032.41014

Bojanov, B. D., Constructive theory of functions. Proceedings of the international conference, Varna, Bulgaria, June 19-23, 2002. Sofia: DARBA. 288-294 (2003).
MSC:  41A35 41A30
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The complete asymptotic expansion for the Gamma operators and their left quasi-interpolants. (English) Zbl 1031.41011

Bojanov, B. D., Constructive theory of functions. Proceedings of the international conference, Varna, Bulgaria, June 19-23, 2002. Sofia: DARBA. 184-189 (2003).
MSC:  41A35 41A60 41A05
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Operator Hermite and Birkhoff interpolation formulas in spaces of differentiable functions. (Russian) Zbl 1096.41009

Ukrainian mathematical congress–2001, Kiev, Ukraine, August 21–23, 2001. Proceedings. Section 8. Computational mathematics and mathematical problems of mechanics. Kyïv: Instytut Matematyky NAN Ukraïny (ISBN 966-02-2778-7). 137-145 (2002).
MSC:  41A10 41A35 47A57
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Old and new results on the operators of Bleimann, Butzer and Hahn. (English) Zbl 1081.41507

He, Tian-Xiao (ed.) et al., Analysis, combinatorics and computing. Proceedings of the international symposium, ISACC 2000, dedicated to L. C. Hsu on the occasion of his 80th birthday, Dalian, China, August 3–5, 2000. Hauppauage, NY: Nova Science Publishers (ISBN 1-59033-405-1). 1-11 (2002).
MSC:  41A35 41A20 41A25
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Note on some approximation operators. (English) Zbl 1057.41016

Trîmbiţaş, Radu T. (ed.), Proceedings of the international symposium on numerical analysis and approximation theory, Cluj-Napoca, Romania, May 9–11, 2002. Dedicated to the 75th anniversary of Professor Dr. Dimitrie D. Stancu, honorary member of the Romanian Academy. Cluj-Napoca: Cluj University Press (ISBN 973-610-166-5/pbk). 411-417 (2002).
MSC:  41A35 41A25
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Approximation by Durrmeyer operators with general weights. (English) Zbl 1065.41034

Trîmbiţaş, Radu T. (ed.), Proceedings of the international symposium on numerical analysis and approximation theory, Cluj-Napoca, Romania, May 9–11, 2002. Dedicated to the 75th anniversary of Professor Dr. Dimitrie D. Stancu, honorary member of the Romanian Academy. Cluj-Napoca: Cluj University Press (ISBN 973-610-166-5/pbk). 396-403 (2002).
MSC:  41A35 41A10
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On the global smoothness preservation by Bernstein type operators. (English) Zbl 1055.41502

Trîmbiţaş, Radu T. (ed.), Proceedings of the international symposium on numerical analysis and approximation theory, Cluj-Napoca, Romania, May 9–11, 2002. Dedicated to the 75th anniversary of Professor Dr. Dimitrie D. Stancu, honorary member of the Romanian Academy. Cluj-Napoca: Cluj University Press (ISBN 973-610-166-5/pbk). 143-147 (2002).
MSC:  41A35
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A Voronovskaya theorem for a Favard-Szasz type operator. (English) Zbl 1058.41010

Trîmbiţaş, Radu T. (ed.), Proceedings of the international symposium on numerical analysis and approximation theory, Cluj-Napoca, Romania, May 9–11, 2002. Dedicated to the 75th anniversary of Professor Dr. Dimitrie D. Stancu, honorary member of the Romanian Academy. Cluj-Napoca: Cluj University Press (ISBN 973-610-166-5/pbk). 135-142 (2002).
MSC:  41A35 41A60
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Rate of convergence of bounded linear operators. (English) Zbl 1046.41012

Chui, Charles K. (ed.) et al., Approximation theory X. Abstract and classical analysis. Papers from the 10th international symposium, St. Louis, MO, USA, March 26–29, 2001. Nashville, TN: Vanderbilt University Press (ISBN 0-8265-1415-4/hbk). Innovations in Applied Mathematics, 1-7 (2002).
MSC:  41A35
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On saturation in conservative approximation. (English) Zbl 1058.41016

Gasca, Mariano (ed.), Multivariate approximation and interpolation with applications. Proceedings of the 6th international workshop, MAIA 2001, Almuñécar, Spain, September 10–14, 2001. Zaragoza: Academia de Ciencias Exactas, Físicas, Químicas y Naturales de Zaragoza. Monogr. Acad. Cienc. Exactas Fís. Quím. Nat. Zaragoza 20, 59-67 (2002).
MSC:  41A40 41A35
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A class of linear positive operators. (English) Zbl 1030.41015

Lupaş, Alexandru (ed.) et al., Mathematical analysis and approximation theory. Proceedings of the 5th Romanian-German seminar on approximation theory and its applications, RoGer, Sibiu, Romania, June 12-15, 2002. Sibiu: Burg Verlag. 309-315 (2002).
MSC:  41A36 41A35
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Remainder in approximation by means of certain linear operators. (English) Zbl 1048.41012

Lupaş, Alexandru (ed.) et al., Mathematical analysis and approximation theory. Proceedings of the 5th Romanian–German seminar on approximation theory and its applications, RoGer, Sibiu, Romania, June 12–15, 2002. Sibiu: Burg Verlag (ISBN 973-85647-4-3). 255-258 (2002).
MSC:  41A35 41A58
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The behaviour of Stancu operators on the cone of convex functions. (English) Zbl 1114.41301

Lupaş, Alexandru (ed.) et al., Mathematical analysis and approximation theory. Proceedings of the 5th Romanian–German seminar on approximation theory and its applications, RoGer, Sibiu, Romania, June 12–15, 2002. Sibiu: Burg Verlag (ISBN 973-85647-4-3). 169-172 (2002).
MSC:  41A35
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The approximation of a class of functions. (English) Zbl 1027.41022

Lupaş, Alexandru (ed.) et al., Mathematical analysis and approximation theory. Proceedings of the 5th Romanian-German seminar on approximation theory and its applications, RoGer, Sibiu, Romania, June 12-15, 2002. Sibiu: Burg Verlag. 155-168 (2002).
MSC:  41A35
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\(q\)-analogues of Stancu operators. (English) Zbl 1048.41010

Lupaş, Alexandru (ed.) et al., Mathematical analysis and approximation theory. Proceedings of the 5th Romanian–German seminar on approximation theory and its applications, RoGer, Sibiu, Romania, June 12–15, 2002. Sibiu: Burg Verlag (ISBN 973-85647-4-3). 145-154 (2002).
MSC:  41A35
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Quantitative statements for the Bernstein-Durrmeyer operators with Jacobi-weights. (English) Zbl 1068.41040

Lupaş, Alexandru (ed.) et al., Mathematical analysis and approximation theory. Proceedings of the 5th Romanian–German seminar on approximation theory and its applications, RoGer, Sibiu, Romania, June 12–15, 2002. Sibiu: Burg Verlag (ISBN 973-85647-4-3). 135-144 (2002).
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A positive linear operator for approximation in exponential weight spaces. (English) Zbl 1025.41012

Lupaş, Alexandru (ed.) et al., Mathematical analysis and approximation theory. Proceedings of the 5th Romanian-German seminar on approximation theory and its applications, RoGer, Sibiu, Romania, June 12-15, 2002. Sibiu: Burg Verlag. 85-96 (2002).
MSC:  41A35
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Durrmeyer variants of the Bleimann, Butzer and Hahn operators. (English) Zbl 1032.41013

Lupaş, Alexandru (ed.) et al., Mathematical analysis and approximation theory. Proceedings of the 5th Romanian-German seminar on approximation theory and its applications, RoGer, Sibiu, Romania, June 12-15, 2002. Sibiu: Burg Verlag. 1-8 (2002).
MSC:  41A35
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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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The Mhaskar-Prestin operators for general exponential weights. (English) Zbl 1032.42008

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), 671-681 (2002).
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A positive approximation sequence related to Black and Scholes equation. (English) Zbl 1037.41016

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), 657-670 (2002).
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Generalized methods using integral transforms and convolution structures with Jacobi orthogonal polynomials. (English) Zbl 1021.41014

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), 625-640 (2002).
MSC:  41A35 41A25
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Asymptotic expression of derivatives of Bernstein type operators. (English) Zbl 1023.41017

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), 615-624 (2002).
MSC:  41A35
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On the Jackson integral operator. (English) Zbl 1015.41013

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), 555-567 (2002).
Reviewer: D.Kacso (Duisburg)
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Approximation of functions by means of the poweroid operators \(S^\alpha_{m,r,s}\). (English) Zbl 1067.41019

Kopotun, Kirill (ed.) et al., Trends in approximation theory. Papers from the internatinal symposium in honor of the 60th birthday of Larry L. Schumaker, Nashville, TX, USA, May 17–20, 2000. Nashville, TX: Vanderbilt University Press (ISBN 0-8265-1379-4/hbk). Innovations in Applied Mathematics, 401-405 (2001).
MSC:  41A35
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Expressing some Bernstein operators via nonpolynomial test functions. (Spanish) Zbl 0997.41013

Cruz Lopez de Silanes, Maria (ed.) et al., Actes des 6èmes journées Zaragoza-Pau de mathématiques appliquées et de statistiques. Pau: Publications de Université de Pau et Pays de l’Adour, PUP. 385-392 (2001).
MSC:  41A35 41A36
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Müntz theorems on Besov spaces and on \(C^k[a,b]\). (English) Zbl 0992.41012

Cruz Lopez de Silanes, Maria (ed.) et al., Actes des 6èmes journées Zaragoza-Pau de mathématiques appliquées et de statistiques. Pau: Publications de Université de Pau et Pays de l’Adour, PUP. 53-60 (2001).
MSC:  41A35 46N40
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The maximal-volume concept in approximation by low-rank matrices. (English) Zbl 1003.15025

Olshevsky, Vadim (ed.), Structured matrices in mathematics, computer science, and engineering I. Proceedings of an AMS-IMS-SIAM joint summer research conference, University of Colorado, Boulder, CO, USA, June 27-July 1, 1999. Providence, RI: American Mathematical Society (AMS). Contemp. Math. 280, 47-51 (2001).
MSC:  15A60 41A35
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Approximation of a class of singular integrals by algebraic polynomials with regard to the location of a point on an interval. (English. Russian original) Zbl 1005.41002

Function spaces, harmonic analysis, and differential equations. Collected papers. Dedicated to the 95th anniversary of academician S. M. Nikol’skii. Transl. from the Russian. Moscow: MAIK Nauka/Interperiodika Publishing, Proc. Steklov Inst. Math. 232, 260-277 (2001); translation from Tr. Mat. Inst. Steklova 232, 268-285 (2001).
MSC:  41A10 41A35 65D30
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Trends in Hölder approximation. (English) Zbl 0984.41010

Lassonde, Marc (ed.), Approximation, optimization and mathematical economics. Proceedings of the 5th international conference on “Approximation and optimization in the Caribbean”, Guadeloupe, French West Indies, March 29 - April 2, 1999. Heidelberg: Physica-Verlag. 81-95 (2001).
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Sobolev spaces and approximation problems for differential operators. (English) Zbl 1076.46515

Arakelian, N. (ed.) et al., Approximation, complex analysis, and potential theory. Proceedings of the NATO Advanced Study Institute on modern methods in scientific computing and applications, Montréal, Canada, July 3–14, 2000. Dordrecht: Kluwer Academic Publishers (ISBN 1-4020-0028-6/hbk). NATO Sci. Ser. II, Math. Phys. Chem. 37, 73-106 (2001).
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On approximation of classes of \((\psi,\beta)\)-differentiable functions by biharmonic Poisson operators. (Ukrainian. English summary) Zbl 1030.31003

Kovtunets, V. V. (ed.), Approximation theory and its applications. Proceedings of the international conference dedicated to the memory of Vladislav Kirillovich Dzyadyk held in Kiev, Ukraine, May 27-31, 1999. Kyïv: Instytut Matematyky NAN Ukraïny. Pr. Inst. Mat. Nats. Akad. Nauk Ukr., Mat. Zastos. 31, 227-236 (2000).
MSC:  31A30 41A35 42A85
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Some generalizations of a Lupaş operator. (English) Zbl 1051.41503

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, 166-169 (2000).
MSC:  41A35
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On the evaluation of remainders in some linear approximation formulas. (English) Zbl 1002.41019

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. 141-147 (2000).
Reviewer: D.Acu (Sibiu)
MSC:  41A80 41A35
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A Voronovskaja-type formula and preservation properties of a class of operators. (English) Zbl 0988.41014

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, Schriftenreihe des Fachbereichs Mathematik der Gerhard-Mercator-Universität. 120-123 (2000).
MSC:  41A40 41A35
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On the approximation of the convolutions of exponential type. (English) Zbl 1051.41502

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, 107-109 (2000).
MSC:  41A35 90B25
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Lipschitz constants for operators of binomial type of a Lipschitz continuous function. (English) Zbl 1051.41501

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, 81-87 (2000).
MSC:  41A35 41A44
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On the Steklov means. (English) Zbl 1051.41500

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, 77-80 (2000).
MSC:  41A35
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A Favard-Szász type operator for the approximation on the real axis. (English) Zbl 0989.41013

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, Schriftenreihe des Fachbereichs Mathematik der Gerhard-Mercator-Universität. 40-43 (2000).
Reviewer: D.Kacso (Duisburg)
MSC:  41A35
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An integral representation of the remainder in an approximation formula by a bivariate operator of Cheney-Sharma. (English) Zbl 0992.41016

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, Schriftenreihe des Fachbereichs Mathematik der Gerhard-Mercator-Universität. 34-39 (2000).
MSC:  41A80 41A35
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More than a summing up about Meyer-König and Zeller operators. (English) Zbl 1004.41012

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. 18-25 (2000).
MSC:  41A35
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Generalized bivariate Bernstein operators of blending type. (English) Zbl 0968.41010

Haščák, A. (ed.) et al., International scientific conference on mathematics. Proceedings of the conference, Herl’any, Slovakia, October 21-23, 1999. Košice: University of Technology Košice, Faculty of Electrical Engineering and Informatics. 13-18 (2000).
MSC:  41A35
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Nonlinear integral operators in modular Lipschitz classes: Rates of modular approximation. (English) Zbl 0972.47034

Hudzik, Henryk (ed.) et al., Function spaces. Proceedings of the 5th international conference, Poznań, Poland, August 28-September 3, 1998. New York, NY: Marcel Dekker. Lect. Notes Pure Appl. Math. 213, 71-84 (2000).
MSC:  47G10 46E30 41A35
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On Soardi’s Bernstein operators of second kind. (English) Zbl 1084.41527

Lupşa, Liana (ed.) et al., Analysis, functional equations, approximation and convexity. Proceedings of the conference held in honour of Professor Elena Popoviciu on the occasion of her 75th birthday, Cluj-Napoca, Romania, October 15–16, 1999. Cluj-Napoca: Editura Carpatica (ISBN 973-97664-9-8). 264-271 (1999).
MSC:  41A35
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Linear combinations of linear operators. (English) Zbl 1084.41526

Lupşa, Liana (ed.) et al., Analysis, functional equations, approximation and convexity. Proceedings of the conference held in honour of Professor Elena Popoviciu on the occasion of her 75th birthday, Cluj-Napoca, Romania, October 15–16, 1999. Cluj-Napoca: Editura Carpatica (ISBN 973-97664-9-8). 73-79 (1999).
MSC:  41A35
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Properties concerning the Baskakov-Beta operators. (English) Zbl 1084.41524

Lupşa, Liana (ed.) et al., Analysis, functional equations, approximation and convexity. Proceedings of the conference held in honour of Professor Elena Popoviciu on the occasion of her 75th birthday, Cluj-Napoca, Romania, October 15–16, 1999. Cluj-Napoca: Editura Carpatica (ISBN 973-97664-9-8). 1-7 (1999).
MSC:  41A35
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