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- W4387620811 abstract "We consider a threshold stability problem for the facility location and uniform pricing problem with median-type location. In the threshold stability problem, the deviation from current customer budgets is maximized. The value of the maximum deviation is called threshold stability radius. The solution of the problem is called feasible if the leader's revenue is not less than a predetermined value (threshold) and it satisfies all the constraints of the facility location and uniform pricing problem for any deviation of budgets that does not exceed the threshold stability radius. In this paper, we develop two approximate algorithms for solving the threshold stability problem based on variable neighborhood descent (VND) heuristics. These algorithms are based on the ideas of finding optimal facility location or good approximate facility location and on the ideas of finding optimal pricing in the facility location and uniform pricing problem. The algorithms differ in the way of comparing different facility locations, which eventually leads to different estimates of the threshold stability radius. The numerical experiment has shown the efficiency of the chosen approach, both in terms of the running time of the algorithms and the quality of the obtained solutions." @default.
- W4387620811 created "2023-10-14" @default.
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- W4387620811 date "2023-08-14" @default.
- W4387620811 modified "2023-10-15" @default.
- W4387620811 title "Metaheuristics for Finding the Stability Radius in the Bilevel Facility Location and Uniform Pricing Problem" @default.
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- W4387620811 doi "https://doi.org/10.1109/opcs59592.2023.10275325" @default.
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