Weak via strong Stackelberg problem: new results P Loridan, J Morgan Journal of global Optimization 8, 263-287, 1996 | 193 | 1996 |

Well-posedness for optimization problems with constraints defined by variational inequalities having a unique solution MB Lignola, J Morgan Journal of Global Optimization 16, 57-67, 2000 | 129 | 2000 |

New results on approximate solution in two-level optimization P Loridan, J Morgan Optimization 20 (6), 819-836, 1989 | 122 | 1989 |

Semivectorial bilevel optimization problem: penalty approach H Bonnel, J Morgan Journal of Optimization Theory and Applications 131, 365-382, 2006 | 119 | 2006 |

A theoretical approximation scheme for Stackelberg problems P Loridan, J Morgan Journal of Optimization Theory and Applications 61, 95-110, 1989 | 86 | 1989 |

Topological existence and stability for Stackelberg problems MB Lignola, J Morgan Journal of Optimization Theory and Applications 84, 145-169, 1995 | 80 | 1995 |

Well-posed saddle point problems E Cavazzuti, J Morgan Optimization, 61-76, 2020 | 69 | 2020 |

Constrained well-posed two-level optimization problems J Morgan Nonsmooth optimization and related topics, 307-325, 1989 | 69 | 1989 |

Stability of regularized bilevel programming problems MB Lignola, J Morgan Journal of Optimization Theory and Applications 93, 575-596, 1997 | 64 | 1997 |

Pseudocontinuous functions and existence of Nash equilibria J Morgan, V Scalzo Journal of Mathematical Economics 43 (2), 174-183, 2007 | 62 | 2007 |

*α*-Well-posedness for Nash Equilibria and For Optimization Problems with Nash Equilibrium ConstraintsMB Lignola, J Morgan Journal of Global Optimization 36, 439-459, 2006 | 60 | 2006 |

Approximate solutions for two-level optimization problems P Loridan, J Morgan Trends in Mathematical Optimization: 4th French-German Conference on …, 1988 | 55 | 1988 |

Approximations and well-posedness in multicriteria games J Morgan Annals of Operations Research 137, 257-268, 2005 | 51 | 2005 |

Approximate solutions and α-well-posedness for variational inequalities and Nash equilibria MB Lignola, J Morgan Decision & Control in Management Science: Essays in Honor of Alain Haurie …, 2002 | 50 | 2002 |

ε-regularized two-level optimization problems: approximation and existence results P Loridan, J Morgan Optimization: Proceedings of the Fifth French-German Conference held in …, 2006 | 49 | 2006 |

Semi-continuities of marginal functions in a sequential setting MB Lignola, J Morgan Optimization 24 (3-4), 241-252, 1992 | 49 | 1992 |

New concepts of well-posedness for optimization problems with variational inequality constraints I Del Prete, MB Lignola, J Morgan J. Inequal. Pure Appl. Math 4 (1), 5, 2003 | 39 | 2003 |

On strict ε-solutions for a two-level optimization problem P Loridan, J Morgan Papers of the 19th Annual Meeting/Vorträge der 19. Jahrestagung, 165-172, 1992 | 39 | 1992 |

Convergence of solutions of quasi-variational inequalities and applications MB Lignola, J Morgan | 36 | 1997 |

Scalarization and Kuhn-Tucker-like conditions for weak vector generalized quasivariational inequalities J Morgan, M Romaniello Journal of Optimization Theory and Applications 130, 309-316, 2006 | 35 | 2006 |