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42 Results Found

  • Article
  • Open Access
3 Citations
1,687 Views
27 Pages

28 August 2023

In this paper, we design two inertial-type subgradient extragradient algorithms with the linear-search process for resolving the two pseudomonotone variational inequality problems (VIPs) of and the common fixed point problem (CFPP) of finite Bregman...

(This article belongs to the Special Issue Research on Fixed Point Theory and Application)
  • Article
  • Open Access
4 Citations
1,915 Views
17 Pages

6 July 2022

The paper develops a modified inertial subgradient extragradient method to find a solution to the variational inequality problem over the set of common solutions to the variational inequality and null point problems. The proposed method adopts a nonm...

  • Article
  • Open Access
1 Citations
2,289 Views
13 Pages

22 March 2022

In this paper, we introduce a new numerical method for finding a common solution to variational inequality problems involving monotone mappings and null point problems involving a finite family of inverse-strongly monotone mappings. The method is ins...

(This article belongs to the Section A: Computer Science)
  • Article
  • Open Access
1 Citations
960 Views
28 Pages

11 September 2025

This research focuses on developing a novel approach to finding fixed points of quasi-nonexpansive mappings without relying on the demi-closedness condition, a common requirement in previous studies. The approach is based on the Subgradient Extragrad...

(This article belongs to the Section E1: Mathematics and Computer Science)
  • Feature Paper
  • Article
  • Open Access
51 Citations
4,634 Views
25 Pages

The Inertial Sub-Gradient Extra-Gradient Method for a Class of Pseudo-Monotone Equilibrium Problems

  • Habib ur Rehman,
  • Poom Kumam,
  • Wiyada Kumam,
  • Meshal Shutaywi and
  • Wachirapong Jirakitpuwapat

15 March 2020

In this article, we focus on improving the sub-gradient extra-gradient method to find a solution to the problems of pseudo-monotone equilibrium in a real Hilbert space. The weak convergence of our method is well-established based on the standard assu...

(This article belongs to the Special Issue Symmetry in Nonlinear Functional Analysis and Optimization Theory)
  • Article
  • Open Access
195 Views
19 Pages

8 October 2026

We propose a safeguarded Anderson-accelerated subgradient extragradient method for variational inequalities in real Hilbert spaces. The method combines classical projection onto the feasible set with an explicit projection onto a supporting half spac...

(This article belongs to the Special Issue Recent Advances in Fixed Point Theory and Optimization Methods: Algorithms, Convergence Analysis, and Applications)
  • Article
  • Open Access
19 Citations
3,686 Views
31 Pages

14 February 2020

In this paper, we study a modified viscosity type subgradient extragradient-line method with a parallel monotone hybrid algorithm for approximating a common solution of variational inequality problems. Under suitable conditions in Hilbert spaces, the...

(This article belongs to the Special Issue Nonlinear Optimization, Variational Inequalities and Equilibrium Problems)
  • Feature Paper
  • Article
  • Open Access
19 Citations
3,156 Views
19 Pages

17 September 2019

Let VIP indicate the variational inequality problem with Lipschitzian and pseudomonotone operator and let CFPP denote the common fixed-point problem of an asymptotically nonexpansive mapping and a strictly pseudocontractive mapping in a real Hilbert...

(This article belongs to the Special Issue Applied Functional Analysis and Its Applications)
  • Article
  • Open Access
4 Citations
3,877 Views
24 Pages

11 May 2020

We propose two new iterative algorithms for solving K-pseudomonotone variational inequality problems in the framework of real Hilbert spaces. These newly proposed methods are obtained by combining the viscosity approximation algorithm, the Picard Man...

(This article belongs to the Special Issue Fixed Point Theory and Its Related Topics II)
  • Article
  • Open Access
2 Citations
1,700 Views
32 Pages

31 December 2024

This paper presents an enhanced algorithm designed to solve variational inequality problems that involve a pseudomonotone and Lipschitz continuous operator in real Hilbert spaces. The method integrates a dual inertial extrapolation step, a relaxation...

(This article belongs to the Special Issue Current Topics in Optimization, Inequalities and Convex Function Theory)
  • Article
  • Open Access
3 Citations
672 Views
21 Pages

21 November 2025

In this work, we present a Krasnosel’skiǐ–Mann-type subgradient extragradient algorithm to solve variational inequalities and hierarchical fixed-point problems for nonexpansive and quasi-nonexpansive mappings in Hilbert spaces. We es...

(This article belongs to the Section E: Applied Mathematics)
  • Article
  • Open Access
30 Citations
3,129 Views
25 Pages

16 April 2020

Two inertial subgradient extragradient algorithms for solving variational inequality problems involving pseudomonotone operator are proposed in this article. The iterative schemes use self-adaptive step sizes which do not require the prior knowledge...

(This article belongs to the Special Issue Selected Papers from the 2nd International Conference on Mathematical Modeling and Computational Methods in Science and Engineering (ICMMCMSE-2020))
  • Feature Paper
  • Article
  • Open Access
1,148 Views
26 Pages

14 June 2025

Variational inequality problems (VIPs) provide a versatile framework for modeling a wide range of real-world applications, including those in economics, engineering, transportation, and image processing. In this paper, we propose a novel iterative al...

  • Article
  • Open Access
1 Citations
461 Views
21 Pages

24 April 2026

This study proposes a new strongly convergent iterative framework obtained by combining a Krasnosel’skiǐ–Mann type subgradient extragradient process with a hybrid projection strategy and an inertial extrapolation mechanism. The metho...

(This article belongs to the Special Issue Iterative Algorithms for Variational Inequalities and Related Optimization Problems)
  • Feature Paper
  • Article
  • Open Access
16 Citations
2,751 Views
19 Pages

22 September 2019

In a real Hilbert space, let the notation VIP indicate a variational inequality problem for a Lipschitzian, pseudomonotone operator, and let CFPP denote a common fixed-point problem of an asymptotically nonexpansive mapping and finitely many nonexpan...

(This article belongs to the Special Issue Variational Inequality)
  • Article
  • Open Access
3 Citations
2,638 Views
17 Pages

20 December 2021

We propose two Mann-type subgradient-like extra gradient iterations with the line-search procedure for hierarchical variational inequality (HVI) with the common fixed-point problem (CFPP) constraint of finite family of nonexpansive mappings and an as...

(This article belongs to the Special Issue Fixed Point, Optimization, and Applications II)
  • Article
  • Open Access
9 Citations
3,842 Views
38 Pages

Projected-Reflected Subgradient-Extragradient Method and Its Real-World Applications

  • Aviv Gibali,
  • Olaniyi S. Iyiola,
  • Lanre Akinyemi and
  • Yekini Shehu

16 March 2021

Our main focus in this work is the classical variational inequality problem with Lipschitz continuous and pseudo-monotone mapping in real Hilbert spaces. An adaptive reflected subgradient-extragradient method is presented along with its weak converge...

(This article belongs to the Special Issue Advances in Nonlinear, Discrete, Continuous and Hamiltonian Systems)
  • Article
  • Open Access
4 Citations
2,641 Views
24 Pages

28 January 2021

We introduce a new parallel hybrid subgradient extragradient method for solving the system of the pseudomonotone equilibrium problem and common fixed point problem in real reflexive Banach spaces. The algorithm is designed such that its convergence d...

  • Article
  • Open Access
  • Best Paper Award
13 Citations
7,039 Views
20 Pages

1 March 2023

In this work, we are concerned with the iterative approximation of solutions to equilibrium problems in the framework of Hadamard manifolds. We introduce a subgradient extragradient type method with a self-adaptive step size. The use of a step size w...

(This article belongs to the Special Issue Differential Equations and Asymptotic Analysis: Recent Advances and Applications)
  • Article
  • Open Access
2 Citations
2,954 Views
24 Pages

31 March 2021

In this paper, using the concept of Bregman distance, we introduce a new Bregman subgradient extragradient method for solving equilibrium and common fixed point problems in a real reflexive Banach space. The algorithm is designed, such that the steps...

(This article belongs to the Special Issue Fixed Point, Optimization, and Applications)
  • Article
  • Open Access
6 Citations
2,484 Views
29 Pages

17 February 2022

Two new inertial-type extragradient methods are proposed to find a numerical common solution to the variational inequality problem involving a pseudomonotone and Lipschitz continuous operator, as well as the fixed point problem in real Hilbert spaces...

(This article belongs to the Special Issue New Advances in Functional Analysis)
  • Feature Paper
  • Article
  • Open Access
28 Citations
3,511 Views
15 Pages

Advanced Algorithms and Common Solutions to Variational Inequalities

  • Hasanen A. Hammad,
  • Habib ur Rehman and
  • Manuel De la Sen

20 July 2020

The paper aims to present advanced algorithms arising out of adding the inertial technical and shrinking projection terms to ordinary parallel and cyclic hybrid inertial sub-gradient extra-gradient algorithms (for short, PCHISE). Via these algorithms...

(This article belongs to the Special Issue Iterative Numerical Functional Analysis with Applications)
  • Article
  • Open Access
1,955 Views
17 Pages

19 November 2023

In this paper, we propose an efficient viscosity type subgradient extragradient algorithm for solving pseudomonotone variational inequality on Hadamard manifolds which is of symmetrical characteristic. Under suitable conditions, we obtain the converg...

(This article belongs to the Section B: Mathematics)
  • Article
  • Open Access
4 Citations
2,320 Views
27 Pages

23 August 2024

This paper presents the Mann-type inertial accelerated subgradient extragradient algorithm with non-monotonic step sizes for solving the split equilibrium and fixed point problems relating to pseudomonotone and Lipschitz-type continuous bifunctions a...

(This article belongs to the Section B: Mathematics)
  • Article
  • Open Access
22 Citations
4,824 Views
28 Pages

In this paper, we propose two modified two-step proximal methods that are formed through the proximal-like mapping and inertial effect for solving two classes of equilibrium problems. A weak convergence theorem for the first method and the strong con...

(This article belongs to the Special Issue Computational Methods in Analysis and Applications 2020)
  • Article
  • Open Access
27 Citations
3,412 Views
27 Pages

A Self-Adaptive Extra-Gradient Methods for a Family of Pseudomonotone Equilibrium Programming with Application in Different Classes of Variational Inequality Problems

  • Habib ur Rehman,
  • Poom Kumam,
  • Ioannis K. Argyros,
  • Nasser Aedh Alreshidi and ,
  • Wiyada Kumam and
  • Wachirapong Jirakitpuwapat
  • + 1 author+ 0 author

2 April 2020

The main objective of this article is to propose a new method that would extend Popov’s extragradient method by changing two natural projections with two convex optimization problems. We also show the weak convergence of our designed method by...

(This article belongs to the Special Issue Iterative Numerical Functional Analysis with Applications)
  • Article
  • Open Access
7 Citations
3,542 Views
16 Pages

Strong Convergence of Extragradient-Type Method to Solve Pseudomonotone Variational Inequalities Problems

  • Nopparat Wairojjana,
  • Nuttapol Pakkaranang,
  • Habib ur Rehman,
  • Nattawut Pholasa and
  • Tiwabhorn Khanpanuk

13 October 2020

A number of applications from mathematical programmings, such as minimax problems, penalization methods and fixed-point problems can be formulated as a variational inequality model. Most of the techniques used to solve such problems involve iterative...

(This article belongs to the Special Issue Fixed Point Theory and Its Related Topics II)
  • Article
  • Open Access
3 Citations
1,853 Views
21 Pages

29 November 2023

In this article, we introduce a new subgradient extra-gradient algorithm to find the common element of a set of fixed points of a Bregman relatively nonexpansive mapping and the solution set of an equilibrium problem involving a Pseudomonotone and Br...

(This article belongs to the Special Issue Recent Trends in Convex Analysis and Mathematical Inequalities)
  • Article
  • Open Access
1,893 Views
15 Pages

31 August 2023

In this research paper, we propose a novel approach termed the inertial subgradient extragradient algorithm to solve bilevel system equilibrium problems within the realm of real Hilbert spaces. Our algorithm is capable of circumventing the necessity...

(This article belongs to the Special Issue Symmetry in Fixed Point Approaches and Nonlinear Functional Mathematical Equations)
  • Article
  • Open Access
1,701 Views
19 Pages

8 October 2024

Convex bilevel optimization problems (CBOPs) exhibit a vital impact on the decision-making process under the hierarchical setting when image restoration plays a key role in signal processing and computer vision. In this paper, a modified double inert...

(This article belongs to the Section A: Computer Science)
  • Article
  • Open Access
2,274 Views
22 Pages

A Class of Novel Mann-Type Subgradient Extragradient Algorithms for Solving Quasimonotone Variational Inequalities

  • Nopparat Wairojjana,
  • Ioannis K. Argyros,
  • Meshal Shutaywi,
  • Wejdan Deebani and
  • Christopher I. Argyros

22 June 2021

Symmetries play an important role in the dynamics of physical systems. As an example, quantum physics and microworld are the basis of symmetry principles. These problems are reduced to solving inequalities in general. That is why in this article, we...

(This article belongs to the Section B: Mathematics)
  • Article
  • Open Access
5 Citations
3,028 Views
27 Pages

23 January 2021

In this paper, we introduce two novel extragradient-like methods to solve variational inequalities in a real Hilbert space. The variational inequality problem is a general mathematical problem in the sense that it unifies several mathematical models,...

(This article belongs to the Section B: Mathematics)
  • Article
  • Open Access
1 Citations
2,250 Views
26 Pages

Modified Mann-Type Subgradient Extragradient Rules for Variational Inequalities and Common Fixed Points Implicating Countably Many Nonexpansive Operators

  • Yun-Ling Cui,
  • Lu-Chuan Ceng,
  • Fang-Fei Zhang,
  • Cong-Shan Wang and ,
  • Jian-Ye Li,
  • Hui-Ying Hu and
  • Long He
  • + 2 authors+ 0 author

6 June 2022

In a real Hilbert space, let the CFPP, VIP, and HFPP denote the common fixed-point problem of countable nonexpansive operators and asymptotically nonexpansive operator, variational inequality problem, and hierarchical fixed point problem, respectivel...

(This article belongs to the Special Issue Applied Functional Analysis and Applications)
  • Article
  • Open Access
3 Citations
3,421 Views
14 Pages

A Mean Extragradient Method for Solving Variational Inequalities

  • Apichit Buakird,
  • Nimit Nimana and
  • Narin Petrot

12 March 2021

We propose a modified extragradient method for solving the variational inequality problem in a Hilbert space. The method is a combination of the well-known subgradient extragradient with the Mann’s mean value method in which the updated iterate is pi...

(This article belongs to the Special Issue Nonlinear Analysis and Applications, Geometry of Banach Spaces and Symmetry)
  • Article
  • Open Access
34 Citations
3,046 Views
14 Pages

2 July 2022

An improved variational inequality strategy for dealing with variational inequality in a Hilbert space is proposed in this article as an alternative; if Hilbert space is used as the domain of interest, the original extra-gradient method is proposed f...

  • Article
  • Open Access
2 Citations
2,182 Views
21 Pages

11 October 2023

In this paper, we introduce a new iterative method that combines the inertial subgradient extragradient method and the modified Mann method for solving the pseudomonotone variational inequality problem and the fixed point of quasi-Bregman nonexpansiv...

(This article belongs to the Special Issue Research on Fixed Point Theory and Application)
  • Article
  • Open Access
1 Citations
1,966 Views
21 Pages

17 March 2022

In a real Hilbert space, let the VIP denote a pseudomonotone variational inequality problem with Lipschitz continuity operator, and let the CFPP indicate a common fixed-point problem of finitely many nonexpansive mappings and an asymptotically nonexp...

(This article belongs to the Special Issue Applied Functional Analysis and Applications)
  • Article
  • Open Access
2,600 Views
20 Pages

26 November 2020

A plethora of applications in non-linear analysis, including minimax problems, mathematical programming, the fixed-point problems, saddle-point problems, penalization and complementary problems, may be framed as a problem of equilibrium. Most of the...

(This article belongs to the Special Issue Numerical Analysis and Computational Mathematics)
  • Article
  • Open Access
384 Views
26 Pages

In advanced technology nodes, mixed-cell-height circuit designs have become increasingly prevalent, posing significant challenges for legalization. We first formulate the legalization as a class of variational inequality (VI) problems defined over co...

(This article belongs to the Special Issue AI-Enhanced Mixed-Signal Simulation and EDA for Integrated Circuit Design Using CMOS Technologies)
  • Article
  • Open Access
25 Citations
3,533 Views
28 Pages

26 June 2020

This manuscript aims to incorporate an inertial scheme with Popov’s subgradient extragradient method to solve equilibrium problems that involve two different classes of bifunction. The novelty of our paper is that methods can also be used to so...

(This article belongs to the Section F: Electrical Engineering)
  • Article
  • Open Access
1 Citations
2,019 Views
16 Pages

26 November 2022

Educational data classification has become an effective tool for exploring the hidden pattern or relationship in educational data and predicting students’ performance or teachers’ competency. This study proposes a new method based on mach...

(This article belongs to the Special Issue Research Trends and Challenges in the Theory of Nonlinear Analysis and Its Applications)
  • Article
  • Open Access
1,372 Views
22 Pages

25 December 2024

The primary objective of this article is to enhance the convergence rate of the extragradient method through the careful selection of inertial parameters and the design of a self-adaptive stepsize scheme. We propose an improved version of the extragr...

(This article belongs to the Special Issue Applied Functional Analysis and Applications: 2nd Edition)