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In this paper we investigate convergence for the Variational Iteration Method (VIM) which was introduced and described in \cite{He0},\cite{He1}, \cite{He2}, and \cite{He3}. We prove the convergence of the iteration scheme for a linear…

数值分析 · 数学 2024-07-22 Pavel Drabek , Stephen B Robinson , Shohreh Gholizadeh Siahmazgi

In this paper, we introduce two new modified inertial Mann Halpern and viscosity algorithms for solving fixed point problems. We establish strong convergence theorems under some suitable conditions. Finally, our algorithms are applied to…

最优化与控制 · 数学 2020-04-10 Bing Tan , Zheng Zhou , Songxiao Li

We study the iterative algorithm proposed by S. Armstrong, A. Hannukainen, T. Kuusi, J.-C. Mourrat to solve elliptic equations in divergence form with stochastic stationary coefficients. Such equations display rapidly oscillating…

数值分析 · 数学 2021-04-22 Chenlin Gu

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

Iterative algorithms are ubiquitous in the field of data mining. Widely known examples of such algorithms are the least mean square algorithm, backpropagation algorithm of neural networks. Our contribution in this paper is an improvement…

机器学习 · 计算机科学 2013-10-09 Rangeet Mitra , Amit Kumar Mishra

In this paper, we prove some theorems related to properties of generalized symmetric hybrid mappings in Banach spaces. Using Banach limits, we prove a fixed point theorem for symmetric generalized hybrid mappings in Banach spaces. Moreover,…

泛函分析 · 数学 2014-11-25 Fridoun Moradlou , Sattar Alizadeh

This paper presents a modified general viscosity iterative process designed to solve variational inclusion and fixed point problems involving multi-valued quasi-nonexpansive and demi-contractive operators. The modified iterative process…

最优化与控制 · 数学 2025-01-14 Furmose Mendy , John T Mendy

The paper investigates two inertial extragradient algorithms for seeking a common solution to a variational inequality problem involving a monotone and Lipschitz continuous mapping and a fixed point problem with a demicontractive mapping in…

最优化与控制 · 数学 2023-08-08 Bing Tan , Liya Liu , Xiaolong Qin

We study the last-iterate convergence of variance reduction methods for extragradient (EG) algorithms for a class of variational inequalities satisfying error-bound conditions. Previously, last-iterate linear convergence was only known…

最优化与控制 · 数学 2024-01-02 Tianlong Nan , Yuan Gao , Christian Kroer

We point out how Banach Fixed Point Theorem, and the Picard successive approximation methods induced by it, allows us to treat some mathematical methods in Combinatorics. In particular we get, by this way, a proof and an iterative algorithm…

组合数学 · 数学 2018-03-20 Ana Luzon

Banach's fixed point theorem for contraction maps has been widely used to analyze the convergence of iterative methods in non-convex problems. It is a common experience, however, that iterative maps fail to be globally contracting under the…

计算复杂性 · 计算机科学 2018-02-15 Constantinos Daskalakis , Christos Tzamos , Manolis Zampetakis

We present a new algorithm and the corresponding convergence analysis for the regularization of linear inverse problems with sparsity constraints, applied to a new generalized sparsity promoting functional. The algorithm is based on the…

数值分析 · 数学 2016-12-30 Sergey Voronin , Ingrid Daubechies

While Value Iteration (VI) is one of the most fundamental algorithms in Reinforcement Learning, its theoretical convergence guarantees still exhibit a persistent mismatch with empirical behavior. In the discounted-reward case, classical…

机器学习 · 计算机科学 2026-03-12 Arsenii Mustafin , Xinyi Sheng , Dominik Baumann

In this paper, we introduce a novel two-point gradient method for solving the ill-posed problems in Banach spaces and study its convergence analysis. The method is based on the well known iteratively regularized Landweber iteration method…

数值分析 · 数学 2022-05-12 Gaurav Mittal , Ankik Kumar Giri

Strong convergence of a new iterative process based on the Shrinking projection method to a common element of the set of common fixed points of an infinite family of relatively quasi-nonexpansive multivalued mappings and the solution set of…

泛函分析 · 数学 2012-08-21 M. Eslamian

We consider nonlinear inverse problems described by operator equations in Banach spaces. Assuming conditional stability of the inverse problem, that is, assuming that stability holds on a closed, convex subset of the domain of the operator,…

数值分析 · 数学 2012-06-19 Maarten V. de Hoop , Lingyun Qiu , Otmar Scherzer

In this paper, we introduce and study a new extragradient iterative process for finding a common element of the set of fixed points of an infinite family of nonexpansive mappings and the set of solutions of a variational inequality for an…

泛函分析 · 数学 2014-05-22 Ibrahim Karahan , Murat Ozdemir

We study a bilevel variational inequality problem where the feasible set is itself the solution set of another variational inequality. Motivated by the difficulty of computing projections onto such sets, we consider a regularized…

最优化与控制 · 数学 2025-07-23 M. Marques Alves , Kangming Chen , Ellen H. Fukuda

We propose a novel algorithm to solve the expectation propagation relaxation of Bayesian inference for continuous-variable graphical models. In contrast to most previous algorithms, our method is provably convergent. By marrying convergent…

机器学习 · 统计学 2010-12-17 Matthias W. Seeger , Hannes Nickisch

This paper introduces a unified model for thermo-poroelasticity and multiple-network poroelasticity, reformulated into a total-pressure-based system. We first establish the well-posedness of the problem via a Galerkin-based argument and…

数值分析 · 数学 2026-04-01 Huipeng Gu , Mingchao Cai , Jingzhi Li , Yu Jiang