Improved Exponential Time Lower Bound of Knapsack Problem under BT model - Xin Li 051; Tian Liu 001; Han Peng; Hongtao Sun; Jiaqi Zhu (CoRR, 2006)

Improved Exponential Time Lower Bound of Knapsack Problem Under BT Model. - Xin Li 051; Tian Liu 001; Han Peng; Liyan Qian; Hongtao Sun; Jin Xu 002; Ke Xu 001; Jiaqi Zhu (TAMC, 2007)

From k-SAT to k-CSP: Two Generalized Algorithms - Liang Li; Xin Li 051; Tian Liu 001; Ke Xu 001 (CoRR, 2008)

On exponential time lower bound of Knapsack under backtracking. - Xin Li 051; Tian Liu 001 (Theor. Comput. Sci., 2010)