Radial data envelopment analysis models with mixed orientation of input and output. - Lifen Wu; Gregory C. O'Brien (Int. Trans. Oper. Res., 2010)

Identification of Friction Parameters Based on Genetic Algorithm in Servo Control System. - Lifen Wu (AICI (1), 2011)

Linear fractional radial graph measure of efficiency of production. - Lifen Wu (J. Oper. Res. Soc., 2019)

Constrained Dynamic Mean-Variance Portfolio Selection in Continuous-Time. - Weiping Wu; Lifen Wu; Ruobing Xue; Shan Pang (Algorithms, 2021)