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The purpose of this article is to give a Chlodowsky type generalization of Szasz operators defined by means of the Sheffer type polynomials. We obtain convergence properties of our operators with the help of Korovkin's theorem and the order…

经典分析与常微分方程 · 数学 2016-01-06 M. Mursaleen , Khursheed J. Ansari

We study the convergence of these operators in a weighted space of functions on a positive semi-axis and estimate the approximation by using a new type of weighted modulus of continuity and error estimation.

经典分析与常微分方程 · 数学 2016-06-22 Preeti Sharma , Vishnu Narayan Mishra

In this paper, we introduce a new smooth estimator for continuous distribution functions on the positive real half-line using Szasz-Mirakyan operators, similar to Bernstein's approximation theorem. We show that the proposed estimator…

统计理论 · 数学 2022-07-20 Ariane Hanebeck , Bernhard Klar

We present a Diaz--Metcalf type operator inequality as a reverse Cauchy-Schwarz inequality and then apply it to get the operator versions of P\'{o}lya-Szeg\"{o}'s, Greub-Rheinboldt's, Kantorovich's, Shisha-Mond's, Schweitzer's, Cassels' and…

泛函分析 · 数学 2012-03-22 M. S. Moslehian , R. Nakamoto , Y. Seo

We introduce certain modified Sz\'{a}sz-Mirakyan operators in polynomial weighted spaces of functions of one variable. We studied approximation properties of these operators.

经典分析与常微分方程 · 数学 2015-08-28 Prashantkumar Patel , Vishnu Narayan Mishra , Mediha Örkcü

We consider the periodic Zakharov-Shabat operators on the real line. The spectrum of this operator consists of intervals separated by gaps with the lengths $|g_n|\ge 0, n\in \Z$. Let $\m_n^\pm$ be the corresponding effective masses and let…

谱理论 · 数学 2008-03-17 Evgeny Korotyaev , Pavel Kargaev

In this paper, we deal with the family of Steklov sampling operators in the general setting of Orlicz spaces. The main result of the paper is a modular convergence theorem established following a density approach. To do this, a Luxemburg…

泛函分析 · 数学 2025-10-08 Danilo Costarelli , Erika Russo

In the present article we define the Phillips type modification of the generalized Sz\'asz-Mirakjan operators. Moments, recurrence formulas, and other identities are established for these operators. Approximation properties are also…

经典分析与常微分方程 · 数学 2017-09-05 Vijay Gupta , G. C. Greubel

This paper deals with the approximations of Durrmeyer type generalization of Szasz-Mirakjan operators. We establish the direct results, quantitative Voronovskaya type theorem, Gruss type theorem, A-statistical convergence, rate of…

泛函分析 · 数学 2019-12-02 Rishikesh Yadav , Ramakanta Meher , Vishnu Narayan Mishra

In this paper, we introduce a new type of Szasz-Mirakjan operators, which preserve a^x, a > 1 fixed and x\geq 0. We study uniform convergence of the operators by using some auxiliary results and also error estimation is given. The…

泛函分析 · 数学 2020-01-22 Rishikesh Yadav , Vishnu Narayan Mishra

Our main purpose of this article is to study the convergence and other related properties of q-Bernstein-Kantorovich operators including the shifted knots of real positive numbers. We design the shifted knots of Bernstein-Kantorovich…

综合数学 · 数学 2022-01-12 Mohammad Ayman Mursaleen , Adem Kilicman , Md. Nasiruzzaman

It is well known that iterates of quasi-compact operators converge towards a spectral projection, whereas the explicit construction of the limiting operator is in general hard to obtain. Here, we show a simple method to explicitly construct…

泛函分析 · 数学 2017-06-05 Johannes Nagler

In this paper, we introduce the higher order generalization of Bernstein type operators defined by (p,q)-integers. We establish some approximation results for these new operators by using the modulus of continuity.

经典分析与常微分方程 · 数学 2016-01-01 M. Mursaleen , Md. Nasiruzzaman

Using maximum instead of sum, nonlinear Baskakov operator of maximum product kind is introduced by Bede et al. The present paper deals with the approximation processes for this operator. Especially in , it was indicated that the order of…

泛函分析 · 数学 2023-07-19 Sezin Çit , Ogün Doğru

We deal with multivariate Brass-Stancu-Kantorovich operators depending on a non-negative integer parameter and defined on the space of all Lebesgue integrable functions on a unit hypercube. We prove $L^{p}$-approximation and provide…

经典分析与常微分方程 · 数学 2023-01-04 Gülen Başcanbaz-Tunca , Heiner Gonska

This article starts with the fundamental theory of stochastic type convergence and the significance of uniform integrability in the context of expectation value. A novel probabilistic sampling kantorovich (PSK-operators) is established with…

综合数学 · 数学 2025-06-17 Digvijay Singh , Rahul Shukla , Karunesh Kumar Singh

Many machine learning and optimization algorithms can be cast as instances of stochastic approximation (SA). The convergence rate of these algorithms is known to be slow, with the optimal mean squared error (MSE) of order $O(n^{-1})$. In…

最优化与控制 · 数学 2024-09-13 Caio Kalil Lauand , Sean Meyn

In this paper, we construct generalized Baskakov Kantorovich operators. We establish some direct results and then study weighted approximation, simultaneous approximation and statistical convergence properties for these operators. Finally,…

经典分析与常微分方程 · 数学 2015-09-09 P. N. Agrawal , Meenu Goyal

We prove here essentially sharp linear and bilinear Strichartz type estimates for the wave equations on Minkowski space, where we assume the initial data possesses additional regularity with respect to fractional powers of the usual angular…

偏微分方程分析 · 数学 2007-05-23 Jacob Sterbenz , Igor Rodnianski

Phase reduction is a commonly used techinque for analyzing stable oscillators, particularly in studies concerning synchronization and phase lock of a network of oscillators. In a widely used numerical approach for obtaining phase reduction…

适应与自组织系统 · 物理学 2015-05-14 Daisuke Takeshita , Renato Feres