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121  Articles
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This paper deals with multiobjective nonlinear programming problems, with parameters in the objective functions, without differentiability assumptions on the considered functions. The stability notions like the solvability set and stability sets of the fi... see more

In this work sufficient conditions are established to ensure that all feasible points are (properly) efficient solutions in non trivial situations, for a class of non-differentiable, non-convex multiobjective minimization problems. Considering locally Lip... see more

Portfolio selection has been the subject of extensive studies in order to obtain increased returns, minimizing the investment risk. However, the most appropriate risk measure to be considered is still an open problem. The aim of this work is to study diff... see more

This paper presents a new coronary artery segmentation method in X-ray angiographic images consisting of two stages. In the first stage, a multiscale top-hat operator based on the properties of the Hessian matrix is introduced to enhance vessel-like struc... see more

When workers are assigned to perform a set of tasks with exposure to certain safety/ergonomics hazard, they are sometimes rotated among the tasks periodically within each day so that their daily hazard exposures do not exceed a permissible limit.  Us... see more

In this paper, a new class of nonconvex nonsmooth multiobjective programming problems with directionally differentiable functions is considered. The so-called G-V-type I objective and constraint functions and their generalizations are introduced for such ... see more

In this study, the PID tuning method (controller design scheme) is proposed for a linear quarter model of active suspension system installed on the vehicles. The PID tuning scheme is considered as a multiobjective problem which is solved by converting thi... see more

Evaluation of indeterminate forms is a current problem for a significant class of formalized system analysis tasks. Formally, the problems of indeterminate forms evaluation in the system analysis and the operations research theory are largely similar. How... see more

This paper deals with the multiobjective optimization problem of an agroalimentary production workshop. Three criteria are considered in addition to this initial cost of production: the cost of the out-of-date products, the cost of the distribution discou... see more

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