Results 1 to 10 of about 469 (71)

Pareto front approximation through a multi-objective augmented Lagrangian method

open access: yesEURO Journal on Computational Optimization, 2021
In this manuscript, we consider smooth multi-objective optimization problems with convex constraints. We propose an extension of a multi-objective augmented Lagrangian Method from recent literature.
Guido Cocchi   +2 more
doaj   +1 more source

Combining the cross-entropy algorithm and ∈-constraint method for multiobjective optimization

open access: yesMoroccan Journal of Pure and Applied Analysis, 2021
This paper aims to propose a new hybrid approach for solving multiobjective optimization problems. This approach is based on a combination of global and local search procedures.
Ezzine Abdelmajid   +2 more
doaj   +1 more source

Solving polyhedral d.c. optimization problems via concave minimization [PDF]

open access: yes, 2020
The problem of minimizing the difference of two convex functions is called polyhedral d.c. optimization problem if at least one of the two component functions is polyhedral.
Dahl, Simeon vom, Löhne, Andreas
core   +2 more sources

A bi-level humanitarian response plan design model considering equity and efficiency—the example of Yemen

open access: yesAIMS Mathematics, 2023
Yemen has suffered from a civil war since 2015, which caused the largest famine in the world at this time. People came in need of urgent humanitarian relief in all sectors.
Ibrahim M. Hezam
doaj   +1 more source

Multiobjective reverse logistics model for inventory management with environmental impacts: An application in industry

open access: yesIntelligent Systems with Applications, 2022
We propose new mathematical models of inventory management in a reverse logistics system. The proposed models extend the model introduced by Nahmias and Rivera with the assumption that the demand for newly produced and repaired (remanufacturing) items ...
M. Forkan, M.M. Rizvi, M.A.M. Chowdhury
doaj   +1 more source

Second-Order Karush-Kuhn-Tucker Optimality Conditions for Vector Problems with Continuously Differentiable Data and Second-Order Constraint Qualifications [PDF]

open access: yes, 2014
Some necessary and sufficient optimality conditions for inequality constrained problems with continuously differentiable data were obtained in the papers [I. Ginchev and V.I. Ivanov, Second-order optimality conditions for problems with C$\sp{1}$ data, J.
Ivanov, Vsevolod I.
core   +1 more source

An Inequality Approach to Approximate Solutions of Set Optimization Problems in Real Linear Spaces [PDF]

open access: yes, 2020
This paper explores new notions of approximate minimality in set optimization using a set approach. We propose characterizations of several approximate minimal elements of families of sets in real linear spaces by means of general functionals, which can ...
Köbis, Elisabeth   +2 more
core   +1 more source

A fuzzy multi-objective linear programming with interval-typed triangular fuzzy numbers

open access: yesOpen Mathematics, 2019
A multi-objective linear programming problem (ITF-MOLP) is presented in this paper, in which coefficients of both the objective functions and constraints are interval-typed triangular fuzzy numbers. An algorithm of the ITF-MOLP is provided by introducing
Li Chunquan
doaj   +1 more source

Characterizations of the Solution Sets of Generalized Convex Fuzzy Optimization Problem

open access: yesOpen Mathematics, 2019
This paper provides some new characterizations of the solution sets for non-differentiable generalized convex fuzzy optimization problem. Firstly, we introduce some new generalized convex fuzzy functions and discuss the relationships among them. Secondly,
Chen Wang, Zhou Zhiang
doaj   +1 more source

Proper efficiency and duality for a new class of nonconvex multitime multiobjective variational problems [PDF]

open access: yes, 2014
In this paper, a new class of generalized of nonconvex multitime multiobjective variational problems is considered. We prove the sufficient optimality conditions for efficiency and proper efficiency in the considered multitime multiobjective variational ...
Antczak, Tadeusz, Pitea, Ariana
core   +2 more sources

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