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We investigate the convergence of a forward-backward-forward proximal-type algorithm with inertial and memory effects when minimizing the sum of a nonsmooth function with a smooth one in the absence of convexity. The convergence is obtained…

最优化与控制 · 数学 2014-06-04 Radu Ioan Bot , Ernö Robert Csetnek

Two characteristics that make convex decomposition algorithms attractive are simplicity of operations and generation of parallelizable structures. In principle, these schemes require that all coordinates update at the same time, i.e., they…

最优化与控制 · 数学 2018-03-07 Giorgos Stathopoulos , Colin N. Jones

This paper is devoted to the study of an inertial accelerated primal-dual algorithm, which is based on a second-order differential system with time scaling, for solving a non-smooth convex optimization problem with linear equality…

最优化与控制 · 数学 2026-04-30 Huan Zhang , Xiangkai Sun , Shengjie Li , Kok Lay Teo

We propose a forward-backward splitting algorithm based on Bregman distances for composite minimization problems in general reflexive Banach spaces. The convergence is established using the notion of variable quasi-Bregman monotone…

最优化与控制 · 数学 2016-10-10 Quang Van Nguyen

This paper introduces a non-variational quantum algorithm designed to solve a wide range of combinatorial optimisation problems, including constrained and non-binary problems. The algorithm leverages an engineered interference process…

量子物理 · 物理学 2024-08-02 Tavis Bennett , Lyle Noakes , Jingbo Wang

In this paper, we propose two novel inertial-like algorithms for solving the split common null point problem (SCNPP) with respect to set-valued maximal operators. The features of the presented algorithm are using new inertial structure…

数值分析 · 数学 2021-09-21 Yan Tang , Shiqing Zhang

The proximal extrapolated gradient method \cite{Malitsky18a} is an extension of the projected reflected gradient method \cite{Malitsky15}. Both methods were proposed for solving the classic variational inequalities. In this paper, we…

最优化与控制 · 数学 2019-08-19 Volkan Cevher , Bang Cong Vu

We study stochastic monotone inclusion problems, which widely appear in machine learning applications, including robust regression and adversarial learning. We propose novel variants of stochastic Halpern iteration with recursive variance…

最优化与控制 · 数学 2023-01-10 Xufeng Cai , Chaobing Song , Cristóbal Guzmán , Jelena Diakonikolas

We establish the weak convergence of inertial Krasnoselskii-Mann iterations towards a common fixed point of a family of quasi-nonexpansive operators, along with estimates for the non-asymptotic rate at which the residuals vanish. Strong and…

最优化与控制 · 数学 2023-08-23 Juan José Maulén , Ignacio Fierro , Juan Peypouquet

Operator splitting schemes have been successfully used in computational sciences to reduce complex problems into a series of simpler subproblems. Since 1950s, these schemes have been widely used to solve problems in PDE and control.…

最优化与控制 · 数学 2015-04-07 Damek Davis , Wotao Yin

In this paper, we propose and study the asymptotic convergence and nonasymptotic global convergence rates (iteration-complexity) of an inertial under-relaxed version of the relative-error hybrid proximal extragradient (HPE) method for…

最优化与控制 · 数学 2018-12-06 M. Marques Alves , Raul T. Marcavillaca

The main contributions of this paper are the proposition and the convergence analysis of a class of inertial projection-type algorithm for solving variational inequality problems in real Hilbert spaces where the underline operator is…

最优化与控制 · 数学 2021-01-25 Yekini Shehu , Olaniyi. S. Iyiola , Xiao-Huan Li , Qiao-Li Dong

A general class of nonconvex optimization problems is considered, where the penalty is the composition of a linear operator with a nonsmooth nonconvex mapping, which is concave on the positive real line. The necessary optimality condition…

最优化与控制 · 数学 2018-04-23 Daria Ghilli , Karl Kunisch

A recent innovation in projective splitting algorithms for monotone operator inclusions has been the development of a procedure using two forward steps instead of the customary proximal steps for operators that are Lipschitz continuous.…

最优化与控制 · 数学 2020-02-19 Patrick R. Johnstone , Jonathan Eckstein

We introduce a new system of split variational inequality problems which is a natural extension of split variational inequality problem in semi-inner product spaces. We use the retraction technique to propose an iterative algorithm for…

泛函分析 · 数学 2017-01-20 K. R. Kazmi , Mohd Furkan

A stochastic Forward-Backward algorithm with a constant step is studied. At each time step, this algorithm involves an independent copy of a couple of random maximal monotone operators. Defining a mean operator as a selection integral, the…

最优化与控制 · 数学 2018-04-05 Pascal Bianchi , Walid Hachem , Adil Salim

We propose a new class of primal-dual Fejer monotone algorithms for solving systems of com- posite monotone inclusions. Our construction is inspired by a framework used by Eckstein and Svaiter for the basic problem of finding a zero of the…

最优化与控制 · 数学 2014-10-07 Abdullah Alotaibi , Patrick L. Combettes , N. Shahzad

In this paper, we introduce some adaptive methods for solving variational inequalities with relatively strongly monotone operators. Firstly, we focus on the modification of the recently proposed, in smooth case [1], adaptive numerical…

最优化与控制 · 数学 2022-11-01 A. A. Titov , S. S. Ablaev , M. S. Alkousa , F. S. Stonyakin , A. V. Gasnikov

A convergent algorithm for nonnegative matrix factorization with orthogonality constraints imposed on both factors is proposed in this paper. This factorization concept was first introduced by Ding et al. with intent to further improve…

机器学习 · 计算机科学 2018-11-16 Andri Mirzal

We consider the problem of reconstructing an infinite set of sparse, finite-dimensional vectors, that share a common sparsity pattern, from incomplete measurements. This is in contrast to the work [17], where the single vector signal can be…

最优化与控制 · 数学 2021-11-29 Nick Dexter , Hoang Tran , Clayton Webster