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The paper introduces scaled Bregman distances of probability distributions which admit non-uniform contributions of observed events. They are introduced in a general form covering not only the distances of discrete and continuous stochastic…

信息论 · 计算机科学 2021-05-12 Wolfgang Stummer , Igor Vajda

This paper deals with a modifed iterative projection method for approximating a solution of hierarchical fixed point problems for nearly nonexpansive mappings. Some strong convergence theorems for the proposed method are presented under…

泛函分析 · 数学 2014-03-17 Ibrahim Karahan , Murat Ozdemir

We extend our work on nonseparated interpolating sequences, originally developed for Bergman spaces with weights of the form $(1 - |z|^2)^\alpha$, to more general weights.

复变函数 · 数学 2014-12-03 Daniel H. Luecking

By iterative techniques,we present two fixed point theorems, whose modular formulations are relatively close to the Banach's fixed point theorem in the normed spaces.The first result concerns the fixed point of the strongly contraction…

泛函分析 · 数学 2016-09-07 Hanebaly Elaidi

In this paper we introduce an interlacing condition on the elements of a family of operators that allows us to gather together a number of results on fixed points and common fixed points for single and families of mappings defined on metric…

泛函分析 · 数学 2022-12-29 Rafael Espínola , Maria Japón , Daniel Souza

Bregman proximal point algorithm (BPPA) has witnessed emerging machine learning applications, yet its theoretical understanding has been largely unexplored. We study the computational properties of BPPA through learning linear classifiers…

机器学习 · 计算机科学 2023-08-28 Yan Li , Caleb Ju , Ethan X. Fang , Tuo Zhao

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

We introduce and study $\alpha$-embedded sets and apply them to generalize the Kuratowski Extension Theorem.

一般拓扑 · 数学 2014-07-24 Olena Karlova

Let $\Omega$ be a nonempty closed and convex subset of a uniformly smooth and uniformly convex real Banach space $\mathcal{X}$ with dual space $\mathcal{X}^*$. This article presents a hybrid algorithm for finding a common element of the set…

泛函分析 · 数学 2025-09-30 Peter U. Nwokoro , Maria A. Onyido , Markjoe O. Uba , Cyril I. Udeani

We establish the convergence of the forward-backward splitting algorithm based on Bregman distances for the sum of two monotone operators in reflexive Banach spaces. Even in Euclidean spaces, the convergence of this algorithm has so far…

最优化与控制 · 数学 2020-09-29 Minh N. Bùi , Patrick L. Combettes

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

This paper introduces generalized Bregman projection algorithms for solving nonlinear split feasibility problems (SF P s) in infinitedimensional Hilbert spaces. The methods integrate Bregman projections, proximal gradient steps, and…

最优化与控制 · 数学 2025-05-20 Saeed Hashemi Sababe , Ehsan Lotfali Ghasab

Very recently, Berinde and P\u{a}curar obtained in [V. Berinde and M. P\u{a}curar, Approximating fixed points of enriched contractions in Banach spaces. Journal of Fixed Point Theory and Applications. \textbf{22}(2) (2020), 1--10.] an…

经典分析与常微分方程 · 数学 2022-09-27 Rizwan Anjum , Mujahid Abbas

In this paper, first we introduce a new mapping for finding a common fixed point of an infinite family of nonexpansive mappings then we consider iterative method for finding a common element of the set of fixed points of an infinite family…

泛函分析 · 数学 2015-02-18 Vahid Darvish , S. M. Vaezpour

We propose a new randomized method for solving systems of nonlinear equations, which can find sparse solutions or solutions under certain simple constraints. The scheme only takes gradients of component functions and uses Bregman…

最优化与控制 · 数学 2024-02-26 Robert Gower , Dirk A. Lorenz , Maximilian Winkler

In this paper, we establish some new variants of fixed point theorems for a large class of countably nonexpansive multi-valued mappings. Some fixed point theorems for the sum and the product of three multi-valued mappings defined on…

泛函分析 · 数学 2024-01-19 Khaled Ben Amara , Aref Jeribi , Najib Kaddachi

We propose and analyze a multi-inertial-iteration scheme in cone b, p-normed Banach spaces. This framework extends the classical Krasnoselskii-Mann and two-step inertial iterations by incorporating three independent inertial parameters and…

最优化与控制 · 数学 2026-01-14 Elvin Rada

Firstly, we invoke the weak convergence (resp. strong convergence) of translated basic methods involving nonexpansive operators to establish the weak convergence (resp. strong convergence) of the associated method with both perturbation and…

最优化与控制 · 数学 2022-03-29 Hui Ouyang

Brinde [Approximating fixed points of weak contractions using the Picard itration, Nonlinear Anal. Forum 9 (2004), 43-53] introduced almost contraction mappings and proved Banach contraction principle for such mappings. The aim of this…

泛函分析 · 数学 2018-10-18 Azhar Hussain , Mujahid Abbas , Muhammad Adeel , Tanzeela Kanwal

We study the convergence analysis of a Picard-S iteration method for a particular class of weak-contraction mappings. Furthermore, we prove a data dependence result for fixed point of the class of weak-contraction mappings with the help of…

泛函分析 · 数学 2014-04-02 Faik Gürsoy