A Double-Inertial Two-Subgradient Extragradient Algorithm for Solving Variational Inequalities with Minimum-Norm Solutions

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 algorithm for solving VIPs in real Hilbert spaces. T...

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Main Authors: Ioannis K. Argyros, Fouzia Amir, Habib ur Rehman, Christopher Argyros
Format: Article
Language:English
Published: MDPI AG 2025-06-01
Series:Mathematics
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Online Access:https://www.mdpi.com/2227-7390/13/12/1962
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author Ioannis K. Argyros
Fouzia Amir
Habib ur Rehman
Christopher Argyros
author_facet Ioannis K. Argyros
Fouzia Amir
Habib ur Rehman
Christopher Argyros
author_sort Ioannis K. Argyros
collection DOAJ
description 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 algorithm for solving VIPs in real Hilbert spaces. The method integrates a double-inertial mechanism with the two-subgradient extragradient scheme, leading to improved convergence speed and computational efficiency. A distinguishing feature of the algorithm is its self-adaptive step size strategy, which generates a non-monotonic sequence of step sizes without requiring prior knowledge of the Lipschitz constant. Under the assumption of monotonicity for the underlying operator, we establish strong convergence results. Numerical experiments under various initial conditions demonstrate the method’s effectiveness and robustness, confirming its practical advantages and its natural extension of existing techniques for solving VIPs.
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institution Kabale University
issn 2227-7390
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publishDate 2025-06-01
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series Mathematics
spelling doaj-art-8ee205aef5874cafadf8ce38cacd3b9a2025-08-20T03:27:22ZengMDPI AGMathematics2227-73902025-06-011312196210.3390/math13121962A Double-Inertial Two-Subgradient Extragradient Algorithm for Solving Variational Inequalities with Minimum-Norm SolutionsIoannis K. Argyros0Fouzia Amir1Habib ur Rehman2Christopher Argyros3Department of Computing and Mathematical Sciences, Cameron University, Lawton, OK 73505, USACenter for Research and Innovation, Asia International University, Bukhara 200100, UzbekistanSchool of Mathematics, Zhejiang Normal University, Jinhua 321004, ChinaSchool of Computational Science and Engineering, Georgia Institute of Technology, 225 North Avenue NW, Atlanta, GA 30313, USAVariational 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 algorithm for solving VIPs in real Hilbert spaces. The method integrates a double-inertial mechanism with the two-subgradient extragradient scheme, leading to improved convergence speed and computational efficiency. A distinguishing feature of the algorithm is its self-adaptive step size strategy, which generates a non-monotonic sequence of step sizes without requiring prior knowledge of the Lipschitz constant. Under the assumption of monotonicity for the underlying operator, we establish strong convergence results. Numerical experiments under various initial conditions demonstrate the method’s effectiveness and robustness, confirming its practical advantages and its natural extension of existing techniques for solving VIPs.https://www.mdpi.com/2227-7390/13/12/1962variational inequalitiestwo-subgradient extragradient methodmonotone operatorsinertial techniquesstrong convergenceself-adaptive step sizes
spellingShingle Ioannis K. Argyros
Fouzia Amir
Habib ur Rehman
Christopher Argyros
A Double-Inertial Two-Subgradient Extragradient Algorithm for Solving Variational Inequalities with Minimum-Norm Solutions
Mathematics
variational inequalities
two-subgradient extragradient method
monotone operators
inertial techniques
strong convergence
self-adaptive step sizes
title A Double-Inertial Two-Subgradient Extragradient Algorithm for Solving Variational Inequalities with Minimum-Norm Solutions
title_full A Double-Inertial Two-Subgradient Extragradient Algorithm for Solving Variational Inequalities with Minimum-Norm Solutions
title_fullStr A Double-Inertial Two-Subgradient Extragradient Algorithm for Solving Variational Inequalities with Minimum-Norm Solutions
title_full_unstemmed A Double-Inertial Two-Subgradient Extragradient Algorithm for Solving Variational Inequalities with Minimum-Norm Solutions
title_short A Double-Inertial Two-Subgradient Extragradient Algorithm for Solving Variational Inequalities with Minimum-Norm Solutions
title_sort double inertial two subgradient extragradient algorithm for solving variational inequalities with minimum norm solutions
topic variational inequalities
two-subgradient extragradient method
monotone operators
inertial techniques
strong convergence
self-adaptive step sizes
url https://www.mdpi.com/2227-7390/13/12/1962
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