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The present work considers two important convergence techniques, namely deferred type statistical convergence and P-summability method in respect of positive linear operators. With regard to these techniques, we state and prove two general…

泛函分析 · 数学 2021-11-12 Purshottam Narain Agrawal , Rahul Shukla , Behar Baxhaku

In this article, we introduce the Lipschitz bounded approximation property for operator ideals. With this notion, we extend the original work done by Godefroy and Kalton and give some partial answers on the equivalence between the bounded…

泛函分析 · 数学 2022-01-19 Geunsu Choi , Mingu Jung

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

We construct and study sequences of linear operators of Bernstein-type acting on bivariate functions defined on the unit disk. To this end, we study Bernstein-type operators under a domain transformation, we analyse the bivariate…

经典分析与常微分方程 · 数学 2022-03-09 Marlon J. Recarte , Misael E. Marriaga , Teresa E. Pérez

In this paper, a new generalized Bernstein-Bezier type operators is constructed.The estimates of the moments of these operators are investigated. The rate of convergence in terms of modulus of continuity is given. Then, the equivalent…

泛函分析 · 数学 2019-12-05 Qiu-Lan Qi , Dan-Dan Guo , Ge Yang

In this paper, using the concept of $A$-statistical convergence which is a regular (non-matrix) summability method, we obtain a general Korovkin type approximation theorem which concerns the problem of approximating a function $f$ by means…

经典分析与常微分方程 · 数学 2007-05-23 Esra Erkus , Oktay Duman

In the present paper, we studied the voronovskaja type theorem for general Gamma type operators. Also, we obtain an error estimate for general Gamma type operators.

数值分析 · 数学 2015-09-17 Alok Kumar

In the present article we define the Jain type modification of the generalized Szasz-Mirakjan operators that preserve constant and exponential mappings. Moments, recurrence formulas, and other identities are established for these operators.…

经典分析与常微分方程 · 数学 2018-05-21 G. C. Greubel

In this paper, we provide a unifying theory concerning the convergence properties of the so-called max-product Kantorovich sampling operators based upon generalized kernels in the setting of Orlicz spaces. The approximation of functions…

泛函分析 · 数学 2025-02-25 Lorenzo Boccali , Danilo Costarelli , Gianluca Vinti

This paper offers a newly created integral approach for operators employing the orthogonal modified Laguerre polynomials and P\u{a}lt\u{a}nea basis. These operators approximate the functions over the interval $[0,\infty)$. Further, the…

泛函分析 · 数学 2024-05-14 Kapil Kumar , Naokant Deo , Durvesh Kumar Verma

We study numerical approaches to computation of spectral properties of composition operators. We provide a characterization of Koopman Modes in Banach spaces using Generalized Laplace Analysis. We cast the Dynamic Mode-Decomposition type…

动力系统 · 数学 2020-09-15 Igor Mezic

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

In this paper we investigate some Korovkin type approximation properties of the q-Meyer-K\"onig and Zeller operators and Durrmeyer variant of the q-Meyer-K\"onig and Zeller operators via Abel summability method which is a…

泛函分析 · 数学 2019-04-26 Dilek Söylemez , Mehmet Ünver

In this paper, we introduce a generalization of the $q$-Meyer-Konig and Zeller operators by means of the $(p,q)$-integers as well as of the $(p,q)$-Gaussian binomial coefficients. For $ 0< q < p <= 1,$ the sequence of the…

经典分析与常微分方程 · 数学 2016-03-31 U. Kadak , Asif Khan , M. Mursaleen

In this paper, the behavior of the sampling Kantorovich operators has been studied, when discontinuous signals are considered in the above sampling series. Moreover, the rate of approximation for the family of the above operators is…

泛函分析 · 数学 2015-08-10 Danilo Costarelli , Anna Maria Minotti , Gianluca Vinti

Here we research the univariate quantitative approximation of real and complex valued continuous functions on a compact interval or all the real line by quasi-interpolation, Baskakov type and quadrature type neural network operators. We…

经典分析与常微分方程 · 数学 2014-04-28 George Anastassiou

Averaged operators are important in Convex Analysis and Optimization Algorithms. In this paper, we propose classifications of averaged operators, firmly nonexpansive operators, and proximal operators using the Bauschke-Bendit-Moursi modulus…

最优化与控制 · 数学 2026-02-17 Shuang Song , Xianfu Wang

We develop a general, functional calculus approach to approximation of $C_0$-semigroups on Banach spaces by bounded completely monotone functions of their generators. The approach comprises most of well-known approximation formulas, yields…

泛函分析 · 数学 2018-07-10 A. Gomilko , S. Kosowicz , Yu. Tomilov

The main object of this paper is to improve some of the known estimates for classical Kantorovich operators. A quantitative Voronovskaya-type result in terms of second moduli of continuity which improves some previous results is obtained.…

经典分析与常微分方程 · 数学 2019-04-26 Ana Maria Acu , Heiner Gonska

It has been very recently discovered that there are compact linear operators between Banach spaces which cannot be approximated by norm attaining operators. The aim of this expository paper is to give an overview of those examples and also…

泛函分析 · 数学 2017-04-25 Miguel Martin