Zhao, Jingyang, Zimo Sheng, and Mingyu Xiao. “FPT Approximation Algorithms for TSP on Non-Metric Graphs”. Proceedings of the AAAI Conference on Artificial Intelligence 40, no. 43 (March 14, 2026): 37195–37202. Accessed May 11, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/41050.