Abstract
In this paper, we investigate a variant of the reverse obnoxious center location problem on a tree graph \(T=(V,E)\) in which a selective subset of the vertex set V is considered as locations of the existing customers. The aim is to augment or reduce the edge lengths within a given budget with respect to modification bounds until a predetermined undesirable facility location becomes as far as possible from the customer points under the new edge lengths. An \({\mathcal {O}}(|E|^2)\) time combinatorial algorithm is developed for the problem with arbitrary modification costs. For the uniform-cost case, one obtains the improved \({\mathcal {O}}(|E|)\) time complexity. Moreover, optimal solution algorithms with \({\mathcal {O}}(|E|^2)\) and \({\mathcal {O}}(|E|)\) time complexities are proposed for the integer version of the problem with arbitrary and uniform cost coefficients, respectively.
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The authors sincerely thank the editor and anonymous referees, whose constructive and insightful comments led to an improved presentation of this paper.
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Etemad, R., Alizadeh, B. Reverse selective obnoxious center location problems on tree graphs. Math Meth Oper Res 87, 431–450 (2018). https://doi.org/10.1007/s00186-017-0624-y
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DOI: https://doi.org/10.1007/s00186-017-0624-y