Ding, Hu, and Mingquan Ye. “On Geometric Alignment in Low Doubling Dimension”. Proceedings of the AAAI Conference on Artificial Intelligence 33, no. 01 (July 17, 2019): 1460–1467. Accessed May 31, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/3958.