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Certification of an optimal TSP tour through 85,900 cities |
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| Authors: | David L Applegate Daniel G Espinoza |
| Institution: | a AT&T Labs - Research, United States b Graduate School of Management, Rice University, United States c Department of Computer Science and Software Engineering, Concordia University, Canada d School of Industrial and Systems Engineering, Georgia Tech, Atlanta, GA, 30332, United States e Departamento de Ingeniería Industrial, Universidad de Chile, Chile f School of Business, Universidad Adolfo Ibáñez, Chile g Department of Computer Science, Roskilde University, Denmark |
| Abstract: | We describe a computer code and data that together certify the optimality of a solution to the 85,900-city traveling salesman problem pla85900, the largest instance in the TSPLIB collection of challenge problems. |
| Keywords: | Traveling salesman problem Integer programming Linear programming |
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