Journal of the Operations Research Society of China ›› 2025, Vol. 13 ›› Issue (2): 415-439.doi: 10.1007/s40305-023-00489-x

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ε-Quasi-Weakly Solution for Semi-infinite Vector Optimization Problems with Data Uncertainty

Thanh-Hung Pham, Thanh-Sang Nguyen   

  1. Faculty of Pedagogy, Faculty of Social Sciences and Humanities, Kien Giang University, Chau Thanh District, Kien Giang Province, Vietnam
  • Received:2021-08-30 Revised:2023-03-27 Online:2025-06-30 Published:2025-07-07
  • Contact: Thanh-Hung Pham E-mail:thanhhungpham.math@gmail.com;pthung@vnkgu.edu.vn

Abstract: This paper is concerned with an ε-quasi-weakly solution for a semi-infinite vector optimization problem with data uncertainty in constraints by using the Clarke subdifferential. Both necessary and sufficient optimality conditions for a semi-infinite vector optimization problem with data uncertainty in constraints are established. We also investigate a Mond–Weir-type dual problem with respect to the primal problem. An application to a fractional semi-infinite vector optimization problem with data uncertainty in constraints is provided. Some examples are given to illustrate our results.

Key words: Optimality condition, Duality theorem, Semi-infinite multiobjective/vector optimization, Generalized convexity, Data uncertainty

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