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On the solvability of a nonlinear optimization problem with boundary vector control of oscillatory processes [PDF]

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы, 2023
In the paper, the solvability of the nonlinear boundary optimization problem has been investigated for the oscillation processes, described by the integro-differential equation in partial derivatives with Fredholm integral operator.
E.F. Abdyldaeva   +2 more
doaj   +2 more sources

Stability kernel of vector optimization problems under perturbations of criterion functions

open access: yesДоповiдi Нацiональної академiї наук України, 2021
The article is devoted to the study of the influence of uncertainty in initial data on the solutions of optimization multicriterial problems. In the optimization problems, including problems with vector criterion, small perturbations in initial data can
Т.Т. Lebedeva   +2 more
doaj   +1 more source

Multi-material topology optimization based on symmetric level set function using the material definition with perfect symmetric property

open access: yesNihon Kikai Gakkai ronbunshu, 2021
This paper provides a vector-valued level set-based topology optimization method for multiple materials. The proposed method is characterized by a perfectly symmetric representation of multi-material by a vector valued level set function, which lowers ...
Masaki NODA   +2 more
doaj   +1 more source

Shape Optimum Design by Basis Vector Method Considering Partial Shape Dependence

open access: yesApplied Sciences, 2020
Regarding the case of complicated structural shape optimization, there are cases where there are partial shapes such as holes and irregularities inside the structure.
Qiong Wu   +3 more
doaj   +1 more source

Hierarchical Population Game Models of Coevolution in Multi-Criteria Optimization Problems under Uncertainty

open access: yesApplied Sciences, 2021
The article develops hierarchical population game models of co-evolutionary algorithms for solving the problem of multi-criteria optimization under uncertainty.
Vladimir A. Serov
doaj   +1 more source

Connectedness and Path Connectedness of Weak Efficient Solution Sets of Vector Optimization Problems via Nonlinear Scalarization Methods

open access: yesMathematics, 2019
The connectedness and path connectedness of the solution sets to vector optimization problems is an important and interesting study in optimization theories and applications.
Xin Xu, Yang Dong Xu
doaj   +1 more source

Existence of Solutions for Nonconvex and Nonsmooth Vector Optimization Problems

open access: yesJournal of Inequalities and Applications, 2008
We consider the weakly efficient solution for a class of nonconvex and nonsmooth vector optimization problems in Banach spaces. We show the equivalence between the nonconvex and nonsmooth vector optimization problem and the vector variational-like ...
Nan-Jing Huang   +2 more
doaj   +2 more sources

Large-Scale Evolutionary Multi-Objective Optimization Based on Direction Vector Sampling

open access: yesIEEE Access, 2023
The large-scale multi-objective optimization problem is characterized by a large decision space. How to design an efficient optimization algorithm that can search a large decision space and find the global optimum in the objective space is a very ...
Yingjian Xiong, Xuhua Shi
doaj   +1 more source

Robust balanced optimization

open access: yesEURO Journal on Computational Optimization, 2018
An instance of a balanced optimization problem with vector costs consists of a ground set X, a cost-vector for every element of X, and a system of feasible subsets over X.
AnnetteM.C. Ficker   +2 more
doaj   +1 more source

Topological aspects in vector optimization problems

open access: yesVìsnik Dnìpropetrovsʹkogo Unìversitetu: Serìâ Modelûvannâ, 2009
In this paper, we study vector optimization problems in partially ordered Banach spaces. We suppose that an objective mapping possesses a weakened property of lower semicontinuity and make no assumptions on the interior of the ordering cone.
P. I. Kogut, R. Manzo, I. V. Nechay
doaj   +1 more source

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