Bernstein type operators having 1 and x j as fixed points
Zoltán Finta
Open Mathematics, Tome 11 (2013), p. 2257-2261 / Harvested from The Polish Digital Mathematics Library

For certain generalized Bernstein operators {L n} we show that there exist no i, j ∈ {1, 2, 3,…}, i < j, such that the functions e i(x) = x i and e j (x) = x j are preserved by L n for each n = 1, 2,… But there exist infinitely many e i such that e 0(x) = 1 and e j (x) = x j are its fixed points.

Publié le : 2013-01-01
EUDML-ID : urn:eudml:doc:269514
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     author = {Zolt\'an Finta},
     title = {Bernstein type operators having 1 and x j as fixed points},
     journal = {Open Mathematics},
     volume = {11},
     year = {2013},
     pages = {2257-2261},
     zbl = {1284.41015},
     language = {en},
     url = {http://dml.mathdoc.fr/item/bwmeta1.element.doi-10_2478_s11533-013-0310-0}
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Zoltán Finta. Bernstein type operators having 1 and x j as fixed points. Open Mathematics, Tome 11 (2013) pp. 2257-2261. http://gdmltest.u-ga.fr/item/bwmeta1.element.doi-10_2478_s11533-013-0310-0/

[1] Aldaz J.M., Kounchev O., Render H., Shape preserving properties of generalized Bernstein operators on extended Chebyshev spaces, Numer. Math., 2009, 114(1), 1–25 http://dx.doi.org/10.1007/s00211-009-0248-0 | Zbl 1184.41011

[2] Kreĭn M.G., Rutman M.A., Linear operators leaving invariant a cone in a Banach space, Uspekhi Mat. Nauk, 1948, 3(1), 3–95 | Zbl 0030.12902

[3] Lorentz G.G., Approximation of Functions, Holt, Rinehart and Winston, New York-Chicago, 1966 | Zbl 0153.38901

[4] Marinescu G., Spaţii Vectoriale Normate, Editura Academiei Republicii Populare Romîne, Bucureţi, 1956