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In this paper a fluid-structure interaction problem for the incompressible Newtonian fluid is studied. We prove the convergence of an iterative process with respect to the computational domain geometry. In our previous works on numerical…

偏微分方程分析 · 数学 2022-04-11 Anna Hundertmark

In this paper, we first define the concept of convexity in G-metric spaces. We then use Mann iterative process in this newly defined convex G-metric space to prove some convergence results for some classes of mappings. In this way, we can…

一般拓扑 · 数学 2021-11-23 Isa Yildirim , Safeer Hussain Khan

In this paper, we present an integral Suzuki-type fixed point theorem for multivalued mappings defined on a complete metric space in terms of the \'{C}iri\'{c} integral contractions. As an application, we will prove an existence and…

泛函分析 · 数学 2020-09-21 Sokol Bush Kaliaj

In this paper, we introduce a new class of Bregman generalized $\alpha$-nonexpansive mappings in terms of Bregman distances, and investigate the Ishikawa and Noor iterations for these mappings. We establish weak and strong convergence…

泛函分析 · 数学 2018-11-30 K. Muangchoo , P. Kumam , Y. J. Cho , S. Dhompongsa

In this paper, we study a new iterative method for a common fixed point of a finite family of Bregman strongly nonexpansive mappings in the frame work of reflexive real Banach spaces. Moreover, we prove the strong convergence theorem for…

泛函分析 · 数学 2015-12-02 Vahid Darvish

The purpose of this paper is to propose and analyze a multi-step iterative algorithm to solve a convex optimization problem and a fixed point problem posed on a Hadamard space. The convergence properties of the proposed algorithm are…

泛函分析 · 数学 2018-02-28 Muhammad Aqeel Ahmad Khan , Hafiza Arham Maqbool

This paper is a continuation to the study of generalized quasi contractive operators, essentially due to Akhtar et al. [A multi-step implicit iterative process for common fixed points of generalized C^{q}-operators in convex metric spaces,…

泛函分析 · 数学 2018-02-28 Zahid Akhtar , Muhammad Aqeel Ahmad Khan

Fixed-point iterations are at the heart of numerical computing and are often a computational bottleneck in real-time applications that typically need a fast solution of moderate accuracy. We present neural fixed-point acceleration which…

机器学习 · 计算机科学 2021-07-26 Shobha Venkataraman , Brandon Amos

In this paper, inspired by Iemoto and Takahashi [S. Iemoto, W. Takahashi, Nonlinear Analysis 71, (2009), 2082-2089], we study the Halpern's method to approximate strongly fixed points of a nonexpansive mapping and of a nonspreading mapping.…

泛函分析 · 数学 2014-05-06 Filomena Cianciaruso , Giuseppe Marino , Angela Rugiano , Bruno Scardamaglia

In this paper we analyse convergence of projected fixed-point iteration on a Riemannian manifold of matrices with fixed rank. As a retraction method we use `projector splitting scheme'. We prove that the projector splitting scheme converges…

数值分析 · 数学 2016-04-08 Denis Kolesnikov , Ivan Oseledets

In this paper, we prove a strong convergence theorem of modified Ishikawa iterations for relatively asymptotically nonexpansive mappings in Banach space. Our results extend and improve the recent results by Nakajo, Takahashi, Kim, Xu,…

泛函分析 · 数学 2007-07-16 Yongfu Su , Xiaolong Qin

We show that iterative scheme due to Karahan and \"Ozdemir (2013) can be used to approximate fixed point of contraction mappings. Furthermore, we prove that CR iterative scheme converges faster than the iterative scheme due to Karahan and…

泛函分析 · 数学 2014-02-26 Vatan Karakaya , Faik Gürsoy , Müzeyyen Ertürk

Fixed point iterations are a fundamental tool in numerical analysis and scientific computing for the approximation of solutions to nonlinear problems. Their convergence is often established via the Banach fixed point theorem, provided that…

数值分析 · 数学 2026-04-29 Thomas P. Wihler

In this paper, we first introduce an iterative process in modular function spaces and then extend the idea of a {\lambda}-firmly nonexpansive mapping from Banach spaces to modular function spaces. We call such mappings as…

泛函分析 · 数学 2021-11-23 Safeer Hussain Khan

We use $KKM$ theorem to prove the existence of a new fixed point theorem for non-expansive mapping:Let M be a bounded closed convex subset of Hilbert space H, and $A:M\rightarrow M$ be a non-expansive mapping, then exists a fixed point of A…

泛函分析 · 数学 2012-08-07 Chunyan Yang

Mustafa and Sims [12] introduced the notion of $G$-metric as a possible generalization of usual notion of a metric space. The author generalized the notion of G-metric to more than three variables and introduced the concept of Generalized…

一般拓扑 · 数学 2021-08-21 Kamran Alam Khan

In this work, we deal with an iteration method for approximating a fixed point of a contraction mapping using the Mann's algorithm under functional random errors. We first show its almost complete convergence to the fixed point by mean of…

概率论 · 数学 2017-01-24 Bahia Barache , Idir Arab , Abdelnasser Dahmani

We introduce a new extragradient iterative process, motivated and inspired by [S. H. Khan, A Picard-Mann Hybrid Iterative Process, Fixed Point Theory and Applications, doi:10.1186/1687-1812-2013-69], for finding a common element of the set…

泛函分析 · 数学 2014-03-14 Ibrahim Karahan , Murat Ozdemir

We apply a modern axiomatic system of nonstandard analysis in metric fixed point theory. In particular, we formulate a nonstandard iteration scheme for nonexpansive mappings and present a nonstandard approach to fixed-point problems in…

泛函分析 · 数学 2015-11-24 Andrzej Wiśnicki

In this paper we prove the weak and strong convergence of the implicit iterative process with errors to a common fixed point of a finite family $\{T_j\}_{i=1}^N$ of asymptotically quasi $I_j-$nonexpansive mappings as well as a family of…

泛函分析 · 数学 2010-10-18 Farrukh Mukhamedov , Mansoor Saburov