The Algorithm of Sequential KKT Equations by Nonmonotone Search for Arbitrary Initial Point. - Yifan Xu 001; Wei Wang; Ziyou Gao (Comput. Optim. Appl., 2001)

A nonlinear Lagrangian dual for integer programming. - Yifan Xu 001; Duan Li 002 (Oper. Res. Lett., 2002)

Asymptotic strong determination in integer programming: Quasi dual method. - Yifan Xu 001 (Math. Methods Oper. Res., 2003)

A rank-one fitting algorithm for unconstrained optimization problems. - Yifan Xu 001; Chunli Liu; June Dong (Appl. Math. Lett., 2004)

Generalized Nonlinear Lagrangian Formulation for Bounded Integer Programming. - Yifan Xu 001; Chunli Liu; Duan Li 002 (J. Glob. Optim., 2005)

Simple transformation functions for finding better minima. - Wei Wang; Yifan Xu 001 (Appl. Math. Lett., 2008)

Contamination control in food supply chain. - Yingjie Hu; Jianqiang Hu; Yifan Xu 001; Fengchun Wang; Rongzeng Cao (WSC, 2010)

On the convergence properties of modified augmented Lagrangian methods for mathematical programming with complementarity constraints. - Hezhi Luo; Xiaoling Sun 001; Yifan Xu 001; Huixian Wu (J. Glob. Optim., 2010)

Stochastic control via direct comparison. - Xi-Ren Cao; De-Xin Wang; Tao Lu; Yifan Xu 001 (Discret. Event Dyn. Syst., 2011)

On the tour planning problem. - Chenbo Zhu; Jian-Qiang Hu; Fengchun Wang; Yifan Xu 001; Rongzeng Cao (Ann. Oper. Res., 2012)

On zero duality gap in nonconvex quadratic programming problems. - Xiaojin Zheng; Xiaoling Sun 001; Duan Li 002; Yifan Xu 001 (J. Glob. Optim., 2012)

On reduction of duality gap in quadratic knapsack problems. - Xiaojin Zheng; Xiaoling Sun 001; Duan Li 002; Yifan Xu 001 (J. Glob. Optim., 2012)

Dynamic inventory and pricing policy in a capacitated stochastic inventory system with fixed ordering cost. - Xiuli Chao; Baimei Yang; Yifan Xu 001 (Oper. Res. Lett., 2012)

Implicit Multifunction Theorems in Banach Spaces. - Ming-ge Yang; Yifan Xu 001 (J. Appl. Math., 2014)

Openness results for parametric set-valued mappings in Asplund spaces. - Ming-ge Yang; Yifan Xu 001 (Optim. Lett., 2014)