Abstract
We consider special cases of the quadratic assignment problem (QAP) that are linearizable in the sense of Bookhold. We provide combinatorial characterizations of the linearizable instances of the weighted feedback arc set QAP, and of the linearizable instances of the traveling salesman QAP. As a by-product, this yields a new well-solvable special case of the weighted feedback arc set problem.
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Acknowledgments
Part of this research was conducted while Vladimir Deineko and Gerhard Woeginger were visiting TU Graz, and they both thank the Austrian Science Fund (FWF): W1230, Doctoral Program in “Discrete Mathematics” for the financial support. Vladimir Deineko acknowledges support by Warwick University’s Centre for Discrete Mathematics and Its Applications (DIMAP). Gerhard Woeginger acknowledges support by DIAMANT (a mathematics cluster of the Netherlands Organization for Scientific Research NWO).
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Çela, E., Deineko, V.G. & Woeginger, G.J. Linearizable special cases of the QAP. J Comb Optim 31, 1269–1279 (2016). https://doi.org/10.1007/s10878-014-9821-2
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DOI: https://doi.org/10.1007/s10878-014-9821-2