On some Korovkin subspaces

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  • I. Rasa Polytechnic Institute, Cluj-Napoca, Romania
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References

Altomare, F., Teoremi di approxximazione di tipo Korovkin in spazi di funzioni, Rend. Mat. Univ. Roma, 13, 409-428, 1980.

Bauer, Heinz, Leha, Gottlieb, Papadopoulou, Susanne, Determination of Korovkin closures. Math. Z. 168 (1979), no. 3, 263-274, MR0544594.

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Edwards, D.A., Minimum-stable wedges of semicontinujous funcitons, Math. Scand., 19, 15-26, 1969.

Karlin, S., Ziegler, Z., Iteration of positive approximation operators. J. Approximation Theory 3 1970 310-339, MR0277982, https://doi.org/10.1016/0021-9045(70)90055-9

Micchelli, C. A., Convergence of positive linear operators on C(X). Collection of articles dedicated to G. G. Lorentz on the occasion of his sixty-fifth birthday, III. J. Approximation Theory 13 (1975), 305-315, MR0382937, https://pdf.sciencedirectassets.com/272427/1-s2.0-S0021904500X03462/1-s2.0-0021904575900404/main.pdf

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Raşa, I., On a measure-theoretical concept of convexity. Anal. Numér. Théor. Approx. 10 (1981), no. 2, 217-224, MR0670654.

Rasa, I. On some boundaries and determining sets, "Babeş-Bolyai" Univ. Cluj-Napoca, Fac. of Math. Preprint, 6, 157-158, 1984.

Raşa, I., A Korovkin type theorem for the Lion operators. Itinerant seminar on functional equations, approximation and convexity (Cluj-Napoca, 1984), 157-158, Preprint, 84-6, Univ. "Babeş-Bolyai", Cluj-Napoca, 1984, MR0788739.

Rogalski, Marc, Espaces de Banach réticulés et problème de Dirichlet. (French) Année Universitaire 1968--1969. Publications Mathématiques d'Orsay, No. 425. Faculté des Sciences, Université de Paris XI, Orsay, 1969. i+78 pp., MR0625484.

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Published

1985-08-01

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Rasa, I. (1985). On some Korovkin subspaces. Anal. Numér. Théor. Approx., 14(2), 127–130. Retrieved from https://ictp.acad.ro/jnaat/journal/article/view/1985-vol14-no2-art5

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Vol. 14 No. 2 (1985)

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