Keyword: lagrange multipliers

Found 175 papers in total
A Lagrangian search method for the P-median problem
A Lagrangian search method for the P-median problem
2017,
In this paper, we propose a novel algorithm for solving the classical P ‐median...
Designing an integrated multi-echelon supply chain network with competition
Designing an integrated multi-echelon supply chain network with competition
2017,
This paper develops a model for competitive supply chain network design which...
Aspects of optimization with stochastic dominance
Aspects of optimization with stochastic dominance
2017,
We consider stochastic optimization problems with integral stochastic order...
Method of Digraphs for Multi-dimensional Screening
Method of Digraphs for Multi-dimensional Screening
2017,
We study a general model of multi‐dimensional screening for discrete types of...
A Lagrangian heuristic for concave cost facility location problems: the plant location and technology acquisition problem
A Lagrangian heuristic for concave cost facility location problems: the plant location and technology acquisition problem
2016,
We propose a Lagrangian heuristic for facility location problems with concave cost...
On LICQ and the uniqueness of Lagrange multipliers
On LICQ and the uniqueness of Lagrange multipliers
2013,
Kyparisis proved in 1985 that a strict version of the Mangasarian–Fromovitz...
Scalar Lagrange Multiplier Rules for Set‐Valued Problems in Infinite‐Dimensional Spaces
Scalar Lagrange Multiplier Rules for Set‐Valued Problems in Infinite‐Dimensional Spaces
2013,
This paper deals with Lagrange multiplier rules for constrained set‐valued...
Conditional Optimization Problems: Fractional Order Case
Conditional Optimization Problems: Fractional Order Case
2013,
In this manuscript, we introduce a new formulation for the constrained optimization...
A Lagrangian bound for many-to-many assignment problems
A Lagrangian bound for many-to-many assignment problems
2010,
A simple procedure to tighten the Lagrangian bounds is proposed. The approach is...
A Lagrangean relaxation based approach for the capacity allocation problem in flexible manufacturing systems
A Lagrangean relaxation based approach for the capacity allocation problem in flexible manufacturing systems
2010,
This study considers the operation assignment and capacity allocation problem in...
Fixed Charge Transportation Problems: a new heuristic approach based on Lagrangean relaxation and the solving of core problems
Fixed Charge Transportation Problems: a new heuristic approach based on Lagrangean relaxation and the solving of core problems
2009,
In this paper the Fixed Charge Transportation Problem is considered. A new heuristic...
Interior-point Lagrangian decomposition method for separable convex optimization
Interior-point Lagrangian decomposition method for separable convex optimization
2009,
In this paper, we propose a distributed algorithm for solving large-scale separable...
An approach for solving the lot-sizing problem of a market-driven foundry
An approach for solving the lot-sizing problem of a market-driven foundry
2010,
Foundries can be found all over Brazil and they are very important to its economy. In...
Moreau–Yosida regularization of Lagrangian-dual functions for a class of convex optimization problems
Moreau–Yosida regularization of Lagrangian-dual functions for a class of convex optimization problems
2009,
In this paper, we consider the Lagrangian dual problem of a class of convex...
Unified theory of augmented Lagrangian methods for constrained global optimization
Unified theory of augmented Lagrangian methods for constrained global optimization
2009,
We classify in this paper different augmented Lagrangian functions into three unified...
A new Lagrangean approach to the pooling problem
A new Lagrangean approach to the pooling problem
2009,
We present a new Lagrangean approach for the pooling problem. The relaxation targets...
On solving the Lagrangian dual of integer programs via an incremental approach
On solving the Lagrangian dual of integer programs via an incremental approach
2009,
The Lagrangian dual of an integer program can be formulated as a min-max problem where...
Properties of saddle points for generalized augmented Lagrangian
Properties of saddle points for generalized augmented Lagrangian
2009,
For inequality constrained optimization problem, we show the existence of local saddle...
Enhancing Lagrangian Dual Optimization for Linear Programs by Obviating Nondifferentiability
Enhancing Lagrangian Dual Optimization for Linear Programs by Obviating Nondifferentiability
2007,
We consider nondifferentiable optimization problems that arise when solving Lagrangian...
Lagrange multipliers in nonsmooth semi-infinite optimization problems
Lagrange multipliers in nonsmooth semi-infinite optimization problems
2007,
Using the variational analysis technique, in terms of the epi–coderivative, we...
The bidding selection and assignment problem with minimum quantity commitment
The bidding selection and assignment problem with minimum quantity commitment
2008,
This paper studies the bidding selection and assignment problem with a novel...
Lagrangian bounds for just-in-time job-shop scheduling
Lagrangian bounds for just-in-time job-shop scheduling
2008,
We study the job-shop scheduling problem with earliness and tardiness penalties. We...
A Lagrangean relaxation approach for the mixed-model flow line sequencing problem
A Lagrangean relaxation approach for the mixed-model flow line sequencing problem
2008,
In this study, a mixed-model flow line sequencing problem is considered. A mixed-model...
Solving the swath segment selection problem through Lagrangean relaxation
Solving the swath segment selection problem through Lagrangean relaxation
2008,
The swath segment selection problem (SSSP) is an NP -hard combinatorial optimization...
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