@techreport{repORt:2018-045, author = {A.P. Punnen and M. Walter}, title = {A characterization of linearizable instances of the Quadratic Traveling Salesman Problem}, institution = {Lehrstuhl f\"{u}r Operations Research, RWTH Aachen University}, year = {2018}, type = {repORt}, number = {2018--045}, month = {May}, note = {Submitted}, url = {https://www.or.rwth-aachen.de/files/research/repORt/A characterization of linearizable instances of the Quadratic Traveling Salesman Problem.pdf} }