Gadhi, Nazih Abderrazzak; El Idrissi, Mohammed; Hamdaoui, Khadija Necessary optimality conditions for a semivectorial bilevel optimization problem using the kth-objective weighted-constraint approach. (English) Zbl 07239390 Positivity 24, No. 4, 1111-1134 (2020). MSC: 90C29 90C26 90C70 49K99 PDF BibTeX XML Cite \textit{N. A. Gadhi} et al., Positivity 24, No. 4, 1111--1134 (2020; Zbl 07239390) Full Text: DOI
Lafhim, L. New optimality conditions and a scalarization approach for a nonconvex semi-vectorial bilevel optimization problem. (English) Zbl 07193703 Positivity 24, No. 2, 395-413 (2020). MSC: 90C29 90C26 90C70 49K99 PDF BibTeX XML Cite \textit{L. Lafhim}, Positivity 24, No. 2, 395--413 (2020; Zbl 07193703) Full Text: DOI
Gadhi, N.; Hamdaoui, K.; El Idrissi, M. Sufficient optimality conditions and duality results for a bilevel multiobjective optimization problem via a \(\Psi\) reformulation. (English) Zbl 1433.90151 Optimization 69, No. 4, 681-702 (2020). MSC: 90C29 90C46 49J52 PDF BibTeX XML Cite \textit{N. Gadhi} et al., Optimization 69, No. 4, 681--702 (2020; Zbl 1433.90151) Full Text: DOI