A globally convergent trust region multidimensional filter SQP algorithm for nonlinear programming. - Chungen Shen; Wenjuan Xue; Dingguo Pu (Int. J. Comput. Math., 2009)

A new non-monotone SQP algorithm for the minimax problem. - Wenjuan Xue; Chungen Shen; Dingguo Pu (Int. J. Comput. Math., 2009)

Smoothing Newton method for NCP with the identification of degenerate indices. - Haodong Yu; Dingguo Pu (J. Comput. Appl. Math., 2010)

An infeasible nonmonotone SSLE algorithm for nonlinear programming. - Chungen Shen; Wenjuan Xue; Dingguo Pu (Math. Methods Oper. Res., 2010)

An infeasible Ssle Filter Algorithm for General Constrained Optimization without Strict complementarity. - Chungen Shen; Wenjuan Xue; Dingguo Pu (Asia Pac. J. Oper. Res., 2011)

New Form of Lagrangian Multiplier Methods. - Aifen Feng; Cuixia Xu; Dingguo Pu (CSO, 2012)

Primal and Dual Variables for New QP-free Method without a Penalty Function and a Filter. - Dingguo Pu; Youlin Shang (CSO, 2012)

A Sequential Quadratic Programming Method for Nonlinear Programming without a Penalty or a Filter. - Mingxia Huang; Dingguo Pu (BIFE, 2013)

A Smoothing QP-free Infeasible Method without a Penalty Function and a Filter. - Ailan Liu; Dingguo Pu (BIFE, 2013)

The Convergence of Broyden Algorithms without Convexity. - Dingguo Pu; Ailan Liu (BIFE, 2013)

A Class of New Lagrangian Multiplier Methods. - Dingguo Pu; Pei Yang (BIFE, 2013)

An SQP Algorithm with Flexible Penalty Functions. - Bo Wang; Dingguo Pu (BIFE, 2013)

A restoration-free filter SQP algorithm for equality constrained optimization. - Xiaojing Zhu; Dingguo Pu (Appl. Math. Comput., 2013)

3-1 Piecewise NCP Function for New Nonmonotone QP-Free Infeasible Method. - Ailan Liu; Dingguo Pu (J. Robotics Mechatronics, 2014)

An infeasible QP-free algorithm without a penalty function or a filter for nonlinear inequality-constrained optimization. - Weiai Liu; Chungen Shen; Xiaojing Zhu; Dingguo Pu (Optim. Methods Softw., 2014)

A trust-region SQP method without a penalty or a filter for nonlinear programming. - Mingxia Huang; Dingguo Pu (J. Comput. Appl. Math., 2015)

An infeasible active-set QP-free algorithm for general nonlinear programming. - Hua Wang; Fuyao Liu; Chao Gu; Dingguo Pu (Int. J. Comput. Math., 2017)