Stefan Hougardy, Fabian Zaiser, Xianghui Zhong. The approximation ratio of the 2-Opt Heuristic for the metric Traveling Salesman Problem. Oper. Res. Lett., 48(4):401-404, 2020. [doi]
@article{HougardyZZ20,
title = {The approximation ratio of the 2-Opt Heuristic for the metric Traveling Salesman Problem},
author = {Stefan Hougardy and Fabian Zaiser and Xianghui Zhong},
year = {2020},
doi = {10.1016/j.orl.2020.05.007},
url = {https://doi.org/10.1016/j.orl.2020.05.007},
researchr = {https://researchr.org/publication/HougardyZZ20},
cites = {0},
citedby = {0},
journal = {Oper. Res. Lett.},
volume = {48},
number = {4},
pages = {401-404},
}