The evaluation of the remainders in approximation formulas by linear positive operators of interpolatory type.
Stancu, D.D. (1998)
General Mathematics
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Stancu, D.D. (1998)
General Mathematics
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Fernando Cobos, Oscar Domínguez, Antón Martínez (2014)
Colloquium Mathematicae
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We investigate compact operators between approximation spaces, paying special attention to the limit case. Applications are given to embeddings between Besov spaces.
P. Chandra (1986)
Matematički Vesnik
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Căbulea, Lucia A., Todea, Mihaela (2002)
Acta Universitatis Apulensis. Mathematics - Informatics
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Căbulea, Lucia A., Todea, Mihaela (2002)
Acta Universitatis Apulensis. Mathematics - Informatics
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Căbulea, Lucia A., Aldea, Mihaela (2003)
Acta Universitatis Apulensis. Mathematics - Informatics
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Vijay Gupta, G. S. Srivastava (1996)
Annales Polonici Mathematici
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We define a new kind of Durrmeyer-type summation-integral operators and study a global direct theorem for these operators in terms of the Ditzian-Totik modulus of smoothness.
Q. Razi, S. Umar (1987)
Matematički Vesnik
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Xiao-Ming Zeng, Vijay Gupta (2009)
Open Mathematics
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The pointwise approximation properties of the Bézier variant of the MKZ-Kantorovich operators for α ≥ 1 have been studied in [Comput. Math. Appl., 39 (2000), 1-13]. The aim of this paper is to deal with the pointwise approximation of the operators for the other case 0 < α < 1. By means of some new techniques and new inequalities we establish an estimate formula on the rate of convergence of the operators for the case 0 < α < 1. In the end we propose the q-analogue of...
Căbulea, Lucia A., Todea, Mihaela (2003)
Acta Universitatis Apulensis. Mathematics - Informatics
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Abakumov, Yu.G., Zabelina, N.A., Shestakova, O.N. (2000)
Siberian Mathematical Journal
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