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New results on minimax regret single facility ordered median location problems on networks [Article]
We consider the single facility ordered median location problem with uncertainty in the parameters (weights) defining the objective function. We study two cases. In the first case the uncertain weights belong to a region ...
The bi-criteria doubly weighted center-median path problem on a tree [Article]
Given a tree network T with n nodes, let PL be the subset of all discrete paths whose length is bounded above by a prespeciﬁed value L. We consider the location of a path-shaped facility P ∈ PL, where customers are represented ...