Lagrange multipliers and optimality
SIAM Review
Asymptotic analysis for penalty and barrier methods in convex and linear programming
Mathematics of Operations Research
A Nonlinear Lagrangian Approach to Constrained Optimization Problems
SIAM Journal on Optimization
Decreasing Functions with Applications to Penalization
SIAM Journal on Optimization
The Zero Duality Gap Property and Lower Semicontinuity of the Perturbation Function
Mathematics of Operations Research
A Unified Augmented Lagrangian Approach to Duality and Exact Penalization
Mathematics of Operations Research
Augmented Lagrangian functions for constrained optimization problems
Journal of Global Optimization
Augmented Lagrangian function, non-quadratic growth condition and exact penalization
Operations Research Letters
Existence of augmented Lagrange multipliers for cone constrained optimization problems
Journal of Global Optimization
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In this paper, we introduce the concept of the valley at 0 augmenting function and apply it to construct a class of valley at 0 augmented Lagrangian functions. We establish the existence of a path of optimal solutions generated by valley at 0 augmented Lagrangian problems and its convergence toward the optimal set of the original problem and obtain the zero duality gap property between the primal problem and the valley at 0 augmented Lagrangian dual problem. Moreover, we establish the exact penalization representation results in the framework of valley at 0 augmented Lagrangian.