Antoniou, Margarita; Sinha, Ankur; Papa, Gregor - In: Operations research perspectives 13 (2024), pp. 1-19
lower level optimal solutions. By using an appropriate perturbation strategy for the optimistic or pessimistic formulation … any given decision at the upper level. The optimistic or the pessimistic bilevel optimal solution can then be efficiently …-perturbed formulation is approximately equivalent to the original optimistic or pessimistic formulation and give an error bound for the …
