Approximation of a function by Kantorovich type operators
Q. Razi (1989)
Matematički Vesnik
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Q. Razi (1989)
Matematički Vesnik
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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.
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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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.
Pop, Ovidiu T. (2007)
Analele Ştiinţifice ale Universităţii “Ovidius" Constanţa. Seria: Matematică
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P. Chandra (1986)
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...
Luis Bernal-González (2007)
Studia Mathematica
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We introduce the concept of disjoint hypercyclic operators. These are operators performing the approximation of any given vectors with a common subsequence of iterates applied on a common vector. The notion is extended to sequences of operators, and applied to composition operators and differential operators on spaces of analytic functions.
Cleciu, Voichiţa (2003)
Acta Universitatis Apulensis. Mathematics - Informatics
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