On approximate Pareto solutions in nonsmooth interval-valued multiobjective optimization with data uncertainty in constraints
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arXiv
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| Natura: | Preprint |
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2025
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| _version_ | 1866910840984174592 |
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| author | Quan, Vu Hong An, Duong Thi Viet Van Tuyen, Nguyen |
| author_facet | Quan, Vu Hong An, Duong Thi Viet Van Tuyen, Nguyen |
| contents | This paper deals with approximate Pareto solutions of a nonsmooth interval-valued multiobjective optimization problem with data uncertainty in constraints. We first introduce some kinds of approximate Pareto solutions for the robust counterpart (RMP) of the problem in question by considering the lower-upper interval order relation including: (almost, almost regular) $\mathcal{E}$-Pareto solution and (almost, almost regular) $\mathcal{E}$-quasi Pareto solution. By using a scalar penalty function, we obtain a result on the existence of an almost regular $\mathcal{E}$-Pareto solution of (RMP) that satisfies the Karush--Kuhn--Tucker necessary optimality condition up to a given precision. We then establish sufficient conditions and Wolfe-type $\mathcal{E}$-duality relations for approximate Pareto solutions of (RMP) under the assumption of generalized convexity. In addition, we present a dual multiobjective problem to the primal one via the $\mathcal{E}$-interval-valued vector Lagrangian function and examine duality relations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_16276 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | On approximate Pareto solutions in nonsmooth interval-valued multiobjective optimization with data uncertainty in constraints Quan, Vu Hong An, Duong Thi Viet Van Tuyen, Nguyen Optimization and Control 90C29, 90C46, 90C70, 49J52 This paper deals with approximate Pareto solutions of a nonsmooth interval-valued multiobjective optimization problem with data uncertainty in constraints. We first introduce some kinds of approximate Pareto solutions for the robust counterpart (RMP) of the problem in question by considering the lower-upper interval order relation including: (almost, almost regular) $\mathcal{E}$-Pareto solution and (almost, almost regular) $\mathcal{E}$-quasi Pareto solution. By using a scalar penalty function, we obtain a result on the existence of an almost regular $\mathcal{E}$-Pareto solution of (RMP) that satisfies the Karush--Kuhn--Tucker necessary optimality condition up to a given precision. We then establish sufficient conditions and Wolfe-type $\mathcal{E}$-duality relations for approximate Pareto solutions of (RMP) under the assumption of generalized convexity. In addition, we present a dual multiobjective problem to the primal one via the $\mathcal{E}$-interval-valued vector Lagrangian function and examine duality relations. |
| title | On approximate Pareto solutions in nonsmooth interval-valued multiobjective optimization with data uncertainty in constraints |
| topic | Optimization and Control 90C29, 90C46, 90C70, 49J52 |
| url | https://arxiv.org/abs/2502.16276 |