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Found 796 Documents (Results 1–100)

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On a lower bound for the rate of convergence of multipoint Padé approximants of piecewise analytic functions. (English. Russian original) Zbl 1469.30079

Izv. Math. 85, No. 3, 351-366 (2021); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 85, No. 3, 13-29 (2021).
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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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Converse estimates for the simultaneous approximation by Bernstein polynomials with integer coeffcients. (English) Zbl 1460.41009

Draganov, Borislav (ed.) et al., Constructive theory of functions. Proceedings of the 13th international conference, Sozopol, Bulgaria, June 2–8, 2019. Dedicated to the memory of Blagovest Sendov. Sofia: Prof. Marin Drinov Academic Publishing House. 39-51 (2020).
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Linking Baskakov type operators. (English) Zbl 1460.41003

Draganov, Borislav (ed.) et al., Constructive theory of functions. Proceedings of the 13th international conference, Sozopol, Bulgaria, June 2–8, 2019. Dedicated to the memory of Blagovest Sendov. Sofia: Prof. Marin Drinov Academic Publishing House. 23-38 (2020).
MSC:  41A10 41A28 41A36
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Chebyshev centres, Jung constants, and their applications. (English. Russian original) Zbl 1435.41028

Russ. Math. Surv. 74, No. 5, 775-849 (2019); translation from Usp. Mat. Nauk 74, No. 5, 3-82 (2019).
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An exact strong converse inequality for the weighted simultaneous approximation by the Bernstein operator. (English) Zbl 1445.41011

Ivanov, Kamen (ed.) et al., Constructive theory of functions. Proceedings of the 12th international conference, Sozopol, Bulgaria, June 11–17, 2016. Sofia: Prof. Marin Drinov Academic Publishing House. 75-97 (2018).
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Approximation by entire functions in the construction of order-isomorphisms and large cross-sections. (English) Zbl 1417.30030

Mashreghi, Javad (ed.) et al., New trends in approximation theory. In memory of André Boivin. Proceedings of the conference, Toronto, Canada, July 25–29, 2016. Toronto: The Fields Institute for Research in the Mathematical Sciences; New York, NY: Springer. Fields Inst. Commun. 81, 37-69 (2018).
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Approximation with positive linear operators and linear combinations. (English) Zbl 1371.41035

Developments in Mathematics 50. Cham: Springer (ISBN 978-3-319-58794-3/hbk; 978-3-319-58795-0/ebook). xiii, 186 p. (2017).
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A modified pointwise estimate on simultaneous approximation by Bernstein polynomials. (English) Zbl 1370.41016

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, 631-637 (2016).
MSC:  41A10 41A28
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Simultaneous weighted approximation with multivariate Baskakov-Schurer operators. (English) Zbl 1370.41029

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, 483-500 (2016).
MSC:  41A28 41A36
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Bivariate extension of linear positive operators. (English) Zbl 1370.41037

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, 15-62 (2016).
MSC:  41A36 41A25 41A28
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Best simultaneous approximation in quotient spaces. (English) Zbl 1366.41015

Cushing, Jim M. (ed.) et al., Applied analysis in biological and physical sciences. ICMBAA, Aligarh, India, June 4–6, 2015. New Delhi: Springer (ISBN 978-81-322-3638-2/hbk; 978-81-322-3640-5/ebook). Springer Proceedings in Mathematics & Statistics 186, 339-349 (2016).
MSC:  41A28 41A52 41A65
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On row sequences of Padé and Hermite-Padé approximation. (English) Zbl 1350.30057

Hardin, Douglas P. (ed.) et al., Modern trends in constructive function theory. Constructive functions 2014 conference in honor of Ed Saff’s 70th birthday, Vanderbilt University, Nashville, TN, USA, May 26–30, 2014. Proceedings. Providence, RI: American Mathematical Society (AMS) (ISBN 978-1-4704-2534-0/pbk; 978-1-4704-2934-8/ebook). Contemporary Mathematics 661, 141-151 (2016).
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