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Parliament seating assignment problems
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DOI：10.1016/j.ejor.2021.08.002.png)
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Abstract
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Motivated by evidence that parliament seatings are relevant for decision making, we consider the problem to assign seats in a parliament to members of parliament. We prove that the resulting seating assignment problem is strongly NP-hard in several restricted settings. We present a Mixed Integer Programming formulation of the problem, we describe two families of valid inequalities and we discuss symmetry breaking constraints. Further, we design a heuristic. Finally, we compare the outcomes of the Mixed Integer Programming formulation with the outcomes of the heuristic in a computational study. (c) 2021 Elsevier B.V. All rights reserved.
Keywords:
Combinatorial optimization
Complexity theory
Heuristics
Valid inequalities
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