Duality and Optimality for Quasidifferentiable Interval-Valued Problems

Abstract

In this article, we explore the concept of interval-valued nonsmooth optimization problems using r-invexity in relation to convex compact sets. For the selected nonsmooth interval-valued problem (IP), we derive necessary and sufficient optimality criteria. In addition to that, we establish various duality theorems under r-invex quasidifferentiable with respect to a convex compact set that is equal to the Minkowski sum of their subdifferentials and superdifferentials. We draft a numerical example to support the results obtained in this paper. It is important to note that the Lagrange multipliers are nonconstant for the considered problem.

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Published
2025-10-29
How to Cite
KUMAR PRASAD, Ashish; KHATRI, Julie; AHMAD, Izhar. Duality and Optimality for Quasidifferentiable Interval-Valued Problems. Yugoslav Journal of Operations Research, [S.l.], oct. 2025. ISSN 2334-6043. Available at: <https://yujor.fon.bg.ac.rs/index.php/yujor/article/view/1369>. Date accessed: 30 oct. 2025. doi: https://doi.org/10.2298/YJOR241015035K.
Section
Research Articles

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