As a 22 year old undergraduate student Lu solved the mathematical problem, the Seetapun Enigma, which was proposed by English logician David Seetapun in the 1990s and had not yet been solved.
Lucy Liu | Liu Bei | Liu Ruyi | Liu Xiang | Liu Shaoqi | Liu Kang | Jesseca Liu | Liu Yunshan | Liu Yan (general) | Liu Yan | Liu Tang | Bernice Liu | Liu Yazi | Liu Yao | Liu Qi | Liu Hong | Liu Bocheng | Laurin Liu | Eric Liu | Masaki Liu | Liu Zhang | Liu You | Liu Yongfu | Liu Yifei | Liu Yang (violinist) | Liu Yang | Liu Xiaobo | Liu Xian | Liu Wu | Liu Wenhui |