Network-based formulations of the quadratic assignment problem

Network-based formulations of the quadratic assignment problem

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Article ID: iaor19992641
Country: Netherlands
Volume: 104
Issue: 1
Start Page Number: 241
End Page Number: 249
Publication Date: Jan 1998
Journal: European Journal of Operational Research
Authors: , ,
Keywords: programming: integer
Abstract:

We present two formulations of the Quadratic Assignment Problem (QAP) that result in network flow problems with integer variables and side constraints. A linerarization of the QAP is obtained in both cases by considering each facility to consist of two parts – a source for all outgoing flows from that facility, and a sink for all incoming flows to the facility. Preliminary computational experience with both approaches is presented.

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