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In the present paper, the authors introduce and investigate new sequences of positive linear operators which include some well known operators as special cases. Here we estimate the rate of convergence for functions having derivatives of…

泛函分析 · 数学 2015-08-25 Prashantkumar Patel , Vishnu Narayan Mishra

In the present article, we propose the generalization of Sz\'{a}sz-Mirakyan operators, which is a class of linear positive operators of discrete type depending on a real parameters. We give theorem of degree of approximation, the…

经典分析与常微分方程 · 数学 2015-09-01 Prashantkumar Patel , Vishnu Narayan Mishra

This survey paper contains a detailed self-contained introduction to Korovkin-type theorems and to some of their applications concerning the approximation of continuous functions as well as of L^p-functions, by means of positive linear…

经典分析与常微分方程 · 数学 2010-09-15 Francesco Altomare

In this paper, we introduce a new class of positive linear operators that generalize the classical Bernstein operators. Specifically, we construct a sequence of operators that reproduce the logarithmic function $\ln(1+\mu+x)$, with $\mu >…

泛函分析 · 数学 2026-03-13 Laura Angeloni , Danilo Costarelli , Chiara Darielli

In this article, we analyze the approximation properties of the new family of Durrmeyer type exponential sampling operators. We derive the point-wise and uniform approximation theorem and Voronovskaya type theorem for these generalized…

泛函分析 · 数学 2020-08-11 Shivam Bajpeyi , A. Sathish Kumar

This is a survey on discrete linear operators which, besides approximating in Jackson or near-best order, possess some interpolatory property at some nodes. Such operators can be useful in numerical analysis.

经典分析与常微分方程 · 数学 2007-05-23 J. Szabados

The main object of this paper is to construct new Durrmeyer type operators which have better features than the classical one. Some results concerning the rate of convergence and asymptotic formulas of the new operator are given. Finally,…

数值分析 · 数学 2018-10-17 Ana Maria Acu , Vijay Gupta , Gancho Tachev

The present paper deals with the estimate of the differences of certain positive linear operators and their derivatives. Our approach involves operators defined on bounded intervals, as Bernstein operators, Kantorovich operators, genuine…

数值分析 · 数学 2018-10-23 Ana Maria Acu , Ioan Rasa

In the present paper we discuss the approximation properties of Jain-Baskakov operators with parameter c. The present paper deals with the modified forms of the Baskakov basis functions. We establish some direct results, which include the…

泛函分析 · 数学 2015-09-10 Vishnu Narayan Mishra , Preeti Sharma , Marius Birou

There are many results on the simultaneous approximation by sequences of special positive linear operators. In the year 1978, Ismail and May as well as Volkov independently studied operators of exponential type covering the most classical…

经典分析与常微分方程 · 数学 2023-09-19 Ulrich Abel

We define the associated geometric series for a large class of positive linear operators and study the convergence of the series in the case of sequences of admissible operators. We obtain an inverse Voronovskaya theorem and we apply our…

经典分析与常微分方程 · 数学 2016-08-11 Ulrich Abel , Mircea Ivan , Radu Păltănea

In this paper, we describe two novel changes to the Baskakov-Durrmeyer operators that improve their approximation performance. These improvements are especially designed to produce higher rates of convergence, with orders of one or two.…

数值分析 · 数学 2024-11-12 Jaspreet Kaur , Meenu Goyal

We give some Korovkin-type theorems on convergence and estimates of rates of approximations of nets of functions, satisfying suitable axioms, whose particular cases are filter/ideal convergence, almost convergence and triangular…

泛函分析 · 数学 2021-01-15 Antonio Boccuto , Xenofon Dimitriou

This paper establishes an abstract Korovkin-type approximation theorem in general spaces, extending the framework of approximation theory to accommodate broader contexts. A critical result supporting this theorem is the proof that any…

泛函分析 · 数学 2025-09-03 Dilek Söylemez , Mehmet Ünver

In approximation theory classical discrete operators, like generalized sampling, Sz\'{a}sz-Mirak'jan, Baskakov and Bernstein operators, have been extensively studied for scalar functions. In this paper, we look at the approximation of…

泛函分析 · 数学 2024-05-14 Rosario Corso , Gabriele Gucciardi

We introduce certain linear positive operators and study some approximation properties of these operators in the space of functions, continuous on a compact set, of two variables. We also find the order of this approximation by using…

经典分析与常微分方程 · 数学 2007-09-24 Fatma Tasdelen , Ali Olgun , Gulen Bascanbaz-Tunca

We introduce a new type of Bernstein operators, which can be used to approximate the functions with inner singularities. The direct and inverse results of the weighted approximation of this new type of combinations are given.

泛函分析 · 数学 2012-08-21 Wen-ming Lu , Lin Zhang

The main object of this paper is to construct a new genuine Bernstein-Durrmeyer type operators which have better features than the classical one. Some direct estimates for the modified genuine Bernstein-Durrmeyer operator by means of the…

数值分析 · 数学 2018-10-17 Ana Maria Acu , P. N. Agrawal

A new type of combinations of Bernstein operators is given in [1]. Here, we introduce another one, which can be used to approximate the functions with singularities. The direct and inverse results of the weighted approximation of this new…

泛函分析 · 数学 2011-06-28 Wen-ming Lu , Lin Zhang

Herein we propose a complex form of a genuine Bernstein-Durrmeyer type operators depending on a non-negative real parameter $\alpha.$ We present the quantitative upper bound, Voronovskaja type result and exact order of approximation for…

经典分析与常微分方程 · 数学 2020-05-11 Meenu Goyal
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