Xing Wang, Guangting Chen, Yong Chen, Guohui Lin, Yonghao Wang, An Zhang. Improved Hardness and Approximation Results for Single Allocation Hub Location. In Zhao Zhang 0002, Wei Li 0040, Ding-Zhu Du, editors, Algorithmic Aspects in Information and Management - 14th International Conference, AAIM 2020, Jinhua, China, August 10-12, 2020, Proceedings. Volume 12290 of Lecture Notes in Computer Science, pages 85-96, Springer, 2020. [doi]
Abstract is missing.