On error bounds for lower semicontinuous functions Z Wu, JY Jane Mathematical programming 92 (2), 301-314, 2002 | 105 | 2002 |

Sufficient conditions for error bounds Z Wu, JJ Ye SIAM Journal on Optimization 12 (2), 421-435, 2002 | 68 | 2002 |

First-order and second-order conditions for error bounds Z Wu, JJ Ye SIAM Journal on Optimization 14 (3), 621-645, 2004 | 64 | 2004 |

Weak sharp solutions of variational inequalities in Hilbert spaces Z Wu, S Wu SIAM Journal on Optimization 14 (4), 1011-1027, 2004 | 40 | 2004 |

Characterizations of the solution sets of convex programs and variational inequality problems ZL Wu, SY Wu Journal of optimization theory and applications 130 (2), 341-360, 2006 | 33 | 2006 |

Equivalent formulations of Ekeland's variational principle Z Wu Nonlinear Analysis: Theory, Methods & Applications 55 (5), 609-615, 2003 | 33 | 2003 |

Equivalence among various derivatives and subdifferentials of the distance function Z Wu, JJ Ye Journal of mathematical analysis and applications 282 (2), 629-647, 2003 | 29 | 2003 |

Characterization of weakly sharp solutions of a variational inequality by its primal gap function Y Liu, Z Wu Optimization Letters 10 (3), 563-576, 2016 | 20 | 2016 |

Gâteaux differentiability of the dual gap function of a variational inequality Z Wu, SY Wu European journal of operational research 190 (2), 328-344, 2008 | 11 | 2008 |

Tangent cone and contingent cone to the intersection of two closed sets Z Wu Nonlinear Analysis: Theory, Methods & Applications 73 (5), 1203-1220, 2010 | 10 | 2010 |

Characterizations of weakly sharp solutions for a variational inequality with a pseudomonotone mapping Z Wu European Journal of Operational Research 265 (2), 448-453, 2018 | 9 | 2018 |

Some Results on Integration of Subdi erentials Z Wu, JY Jane | 7 | 1999 |

Equivalent Extensions to Caristi-Kirk's Fixed Point Theorem, Ekeland's Variational Principle, and Takahashi's Minimization Theorem Z Wu Fixed Point Theory and Applications 2010, 1-20, 2009 | 4 | 2009 |

The convexity of the solution set of a pseudoconvex inequality Z Wu Nonlinear Analysis: Theory, Methods & Applications 69 (5-6), 1666-1674, 2008 | 4 | 2008 |

A Chebyshev set and its distance function Z Wu Journal of Approximation Theory 119 (2), 181-192, 2002 | 4 | 2002 |

Weakly sharp solutions of primal and dual variational inequality problems Y Liu, Z Wu Pacific Journal of Optimization 12 (1), 207-220, 2016 | 3 | 2016 |

Subdifferentials and their applications Z Wu | 3 | 1999 |

A Fixed Point Theorem, Intermediate Value Theorem, and Nested Interval Property Z Wu Analysis Mathematica 45 (2), 443-447, 2019 | 2 | 2019 |

Minimum principle sufficiency for a variational inequality with pseudomonotone mapping Z Wu WSEAS Transactions on Mathematics 16, 48-56, 2017 | 2 | 2017 |

KKT conditions for weak⁎ compact convex sets, theorems of the alternative, and optimality conditions Z Wu Journal of Functional Analysis 266 (2), 693-712, 2014 | 2 | 2014 |