Optimality and scalarization of robust approximate solutions for semi-infinite vector equilibrium problems

Abstract This paper investigates the optimality conditions and scalarization theorems for robust approximate solutions to semi-infinite vector equilibrium problems with data uncertainty in the constraints. Under suitable constraint qualifications, we establish a necessary optimality condition for ro...

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Main Authors: Shan Cai, Xiaoping Li
Format: Article
Language:English
Published: SpringerOpen 2025-06-01
Series:Journal of Inequalities and Applications
Subjects:
Online Access:https://doi.org/10.1186/s13660-025-03315-5
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author Shan Cai
Xiaoping Li
author_facet Shan Cai
Xiaoping Li
author_sort Shan Cai
collection DOAJ
description Abstract This paper investigates the optimality conditions and scalarization theorems for robust approximate solutions to semi-infinite vector equilibrium problems with data uncertainty in the constraints. Under suitable constraint qualifications, we establish a necessary optimality condition for robust approximate quasi-weakly efficient solutions using the Clarke subdifferential. Subsequently, we present a sufficient optimality condition for such solutions under the assumption of approximate generalized convexity. Finally, we formulate two scalarization theorems for robust approximate quasi-weakly efficient solutions by employing a cone-strongly monotonic function. The definitions and main conclusions of this paper are supported by specific examples.
format Article
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institution Kabale University
issn 1029-242X
language English
publishDate 2025-06-01
publisher SpringerOpen
record_format Article
series Journal of Inequalities and Applications
spelling doaj-art-3ee4ca824db54500a56e52dc32da47ae2025-08-20T03:26:48ZengSpringerOpenJournal of Inequalities and Applications1029-242X2025-06-012025111610.1186/s13660-025-03315-5Optimality and scalarization of robust approximate solutions for semi-infinite vector equilibrium problemsShan Cai0Xiaoping Li1College of Mathematics and Imformation Science, Xiangnan UniversityCollege of Mathematics and Imformation Science, Xiangnan UniversityAbstract This paper investigates the optimality conditions and scalarization theorems for robust approximate solutions to semi-infinite vector equilibrium problems with data uncertainty in the constraints. Under suitable constraint qualifications, we establish a necessary optimality condition for robust approximate quasi-weakly efficient solutions using the Clarke subdifferential. Subsequently, we present a sufficient optimality condition for such solutions under the assumption of approximate generalized convexity. Finally, we formulate two scalarization theorems for robust approximate quasi-weakly efficient solutions by employing a cone-strongly monotonic function. The definitions and main conclusions of this paper are supported by specific examples.https://doi.org/10.1186/s13660-025-03315-5Semi-infinite vector equilibriumOptimality conditionClarke subdifferentialScalarization theoremsCone strongly monotone function
spellingShingle Shan Cai
Xiaoping Li
Optimality and scalarization of robust approximate solutions for semi-infinite vector equilibrium problems
Journal of Inequalities and Applications
Semi-infinite vector equilibrium
Optimality condition
Clarke subdifferential
Scalarization theorems
Cone strongly monotone function
title Optimality and scalarization of robust approximate solutions for semi-infinite vector equilibrium problems
title_full Optimality and scalarization of robust approximate solutions for semi-infinite vector equilibrium problems
title_fullStr Optimality and scalarization of robust approximate solutions for semi-infinite vector equilibrium problems
title_full_unstemmed Optimality and scalarization of robust approximate solutions for semi-infinite vector equilibrium problems
title_short Optimality and scalarization of robust approximate solutions for semi-infinite vector equilibrium problems
title_sort optimality and scalarization of robust approximate solutions for semi infinite vector equilibrium problems
topic Semi-infinite vector equilibrium
Optimality condition
Clarke subdifferential
Scalarization theorems
Cone strongly monotone function
url https://doi.org/10.1186/s13660-025-03315-5
work_keys_str_mv AT shancai optimalityandscalarizationofrobustapproximatesolutionsforsemiinfinitevectorequilibriumproblems
AT xiaopingli optimalityandscalarizationofrobustapproximatesolutionsforsemiinfinitevectorequilibriumproblems