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Variable order structures model situations in which the comparison between two points depends on a point-to-cone map. In this paper, an inexact projected gradient method for solving smooth constrained vector optimization problems on…

最优化与控制 · 数学 2019-08-09 Jose Yunier Bello Cruz , Gemayqzel Bouza Allende

We study variational inequalities which are governed by a strongly monotone and Lipschitz continuous operator $F$ over a closed and convex set $S$. We assume that $S=C\cap A^{-1}(Q)$ is the nonempty solution set of a (multiple-set) split…

最优化与控制 · 数学 2019-08-21 Andrzej Cegielski , Aviv Gibali , Simeon Reich , Rafał Zalas

In this paper, we consider a class of structured nonconvex nonsmooth optimization problems, in which the objective function is formed by the sum of a possibly nonsmooth nonconvex function and a differentiable function whose gradient is…

最优化与控制 · 数学 2024-10-01 Tan Nhat Pham , Minh N. Dao , Rakibuzzaman Shah , Nargiz Sultanova , Guoyin Li , Syed Islam

We consider in this paper a class of composite optimization problems whose objective function is given by the summation of a general smooth and nonsmooth component, together with a relatively simple nonsmooth term. We present a new class of…

最优化与控制 · 数学 2015-10-27 Guanghui Lan

We propose and study a strongly convergent inexact inertial projective splitting (PS) algorithm for finding zeros of composite monotone inclusion problems involving the sum of finitely many maximal monotone operators. Strong convergence of…

最优化与控制 · 数学 2025-07-09 M. Marques Alves , J. E. Navarro Caballero , R. T. Marcavillaca

In this paper, we study a class of bilevel programming problem where the inner objective function is strongly convex. More specifically, under some mile assumptions on the partial derivatives of both inner and outer objective functions, we…

最优化与控制 · 数学 2018-02-08 Saeed Ghadimi , Mengdi Wang

In this paper, we propose a subgradient algorithm with a non-asymptotic convergence guarantee to solve copositive programming problems. The subproblem to be solved at each iteration is a standard quadratic programming problem, which is…

最优化与控制 · 数学 2026-04-30 Mitsuhiro Nishijima , Pierre-Louis Poirion , Akiko Takeda

In this paper, we propose a new inexact version of the projected subgradient method to solve nondifferentiable constrained convex optimization problems. The method combine $\epsilon$-subgradient method with a procedure to obtain a feasible…

最优化与控制 · 数学 2020-06-17 Ademir Alves Aguiar , Orizon Pereira Ferreira , Leandro da Fonseca Prudente

In this paper, we provide a sub-gradient based algorithm to solve general constrained convex optimization without taking projections onto the domain set. The well studied Frank-Wolfe type algorithms also avoid projections. However, they are…

最优化与控制 · 数学 2023-06-16 Kamiar Asgari , Michael J. Neely

This paper is to analyze the approximation solution of a split variational inclusion problem in the framework of infinite dimensional Hilbert spaces. For this purpose, several inertial hybrid and shrinking projection algorithms are proposed…

最优化与控制 · 数学 2024-09-17 Zheng Zhou , Bing Tan , Songxiao Li

We propose a single time-scale stochastic subgradient method for constrained optimization of a composition of several nonsmooth and nonconvex functions. The functions are assumed to be locally Lipschitz and differentiable in a generalized…

最优化与控制 · 数学 2020-12-22 Andrzej Ruszczynski

In this paper, we consider a broad class of nonsmooth and nonconvex fractional programs, where the numerator can be written as the sum of a continuously differentiable convex function whose gradient is Lipschitz continuous and a proper…

最优化与控制 · 数学 2022-01-19 Radu Ioan Boţ , Minh N. Dao , Guoyin Li

For solving structured monotone inclusion problems involving the sum of finitely many maximal monotone operators, we propose and study a relative-error inertial-relaxed inexact projective splitting algorithm. The proposed algorithm benefits…

最优化与控制 · 数学 2023-01-25 M. Marques Alves , Marina Geremia , Raul T. Marcavillaca

In this paper we propose a new operator splitting algorithm for distributed Nash equilibrium seeking under stochastic uncertainty, featuring relaxation and inertial effects. Our work is inspired by recent deterministic operator splitting…

最优化与控制 · 数学 2021-03-25 Shisheng Cui , Barbara Franci , Sergio Grammatico , Uday V. Shanbhag , Mathias Staudigl

In this paper, we consider two variants of the concept of sharp minimum for mathematical programming problems with quasiconvex objective function and inequality constraints. It investigated the problem of describing a variant of a simple…

最优化与控制 · 数学 2023-12-29 S. M. Puchinin , E. R. Korolkov , F. S. Stonyakin , M. S. Alkousa , A. A Vyguzov

The paper is devoted to new modifications of recently proposed adaptive methods of Mirror Descent for convex minimization problems in the case of several convex functional constraints. Methods for problems of two classes are considered. The…

最优化与控制 · 数学 2018-05-29 Fedor S. Stonyakin , Mohammad S. Alkousa , Alexey N. Stepanov , Maxim A. Barinov

Monotone inclusions have wide applications in solving various convex optimization problems arising in signal and image processing, machine learning, and medical image reconstruction. In this paper, we propose a new splitting algorithm for…

最优化与控制 · 数学 2020-09-29 Hui Yu , Chunxiang Zong , Yuchao Tang

In this technical note, we are concerned with the problem of solving variational inequalities with improved convergence rates. Motivated by Nesterov's accelerated gradient method for convex optimization, we propose a Nesterov's accelerated…

最优化与控制 · 数学 2022-12-21 Shaolin Tan , Jinhu Lu

This article analyses the simple projection method proposed by Izuchukwu et al. [8, Algorithm 3.2] for solving variational inequality problems by incorporating momentum terms. A new step size strategy is also introduced, in which the step…

最优化与控制 · 数学 2025-05-12 Gourav Kumar , Santanu Soe , V. Vetrivel

Monotone inclusions involving the sum of three maximally monotone operators or more have received much attention in recent years. In this paper, we propose three splitting algorithms for finding a zero of the sum of four monotone operators,…

最优化与控制 · 数学 2022-04-19 Jinjian Chen , Yuchao Tang