Zobrazeno 1 - 10
of 31
pro vyhledávání: '"E E Ammar"'
Autor:
Hamiden Khalifa, E. E. Ammar
Publikováno v:
International Journal of Industrial Engineering and Production Research, Vol 31, Iss 1, Pp 1-12 (2020)
This paper deals with a multi- objective linear fractional programming problem involving probabilistic parameters in the right- hand side of the constraints. These probabilistic parameters are randomly distributed with known means and variances throu
Externí odkaz:
https://doaj.org/article/b255fa51a52b44dbbd498f5bafcfb72e
Publikováno v:
Journal of Mathematics, Vol 2020 (2020)
This paper deals with the multiobjective minimum cost flow (F-MOMCF) with fuzzy penalty characterized by trapezoidal fuzzy numbers. Through the use of α-cut, the F-MOMCF problem is transformed into the α-MOMCF problem. The α-MOMCF problem can be s
Externí odkaz:
https://doaj.org/article/b49dde8917fd43b8b2d147b3023c5f1e
Autor:
A A Emsimir, E E Ammar
Publikováno v:
African Journal of Mathematics and Computer Science Research. 13:39-50
A suggested algorithm to solve fully rough integer linear programming (FRILP) problems is introduced in this paper in order to find rough value optimal solutions and decision rough integer variables, where all parameters and decision variables in the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e2170307864fe5ea2fb4b702a6ae1879
https://doi.org/10.5897/ajmcsr2019.0804
https://doi.org/10.5897/ajmcsr2019.0804
Publikováno v:
INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY. 14:5742-5758
This paper deals with a multi-objective linear programming problem with an inexact rough interval fuzzy coefficients IRFMOLP. This problem is considered by incorporating an inexact rough interval fuzzy number in both the objective function and constr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a8e1679dc0f985838c192d961102243
https://doi.org/10.24297/ijct.v14i5.3985
https://doi.org/10.24297/ijct.v14i5.3985
Autor:
H. A. Khalifa, E. E. Ammar
Publikováno v:
British Journal of Mathematics & Computer Science. 8:238-245
DOI: 10.9734/BJMCS/2015/15849 Editor(s): (1) Dragos Patru Covei, Department of Mathematics, University “Constantin Brâncusi” of Târgu-Jiu, România. Reviewers: (1) Nurulizwa bte Abdul Rashid, Faculty of Technology and Technopreneurship, UTeM &
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2ee5613a8c1eddc6092c59d06b3c41b3
https://doi.org/10.9734/bjmcs/2015/15849
https://doi.org/10.9734/bjmcs/2015/15849
Autor:
E. E. Ammar
Publikováno v:
European Journal of Operational Research. 193:329-341
In this paper, a multiobjective quadratic programming problem having fuzzy random coefficients matrix in the objective and constraints and the decision vector are fuzzy pseudorandom variables is considered. First, we show that the efficient solutions
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cec6ba63879e09747efe6f757813d064
https://doi.org/10.1016/j.ejor.2007.11.031
https://doi.org/10.1016/j.ejor.2007.11.031
Autor:
E. E. Ammar
Publikováno v:
Mathematical and Computer Modelling. 48(1-2):69-82
This paper is concerned with the study of necessary and sufficient optimality conditions for convex-concave generalized fractional disjunctive programming problems for which the decision set is the union of a family of convex sets. The Lagrangian fun
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::00afd3f4d34896abea88d52df7c893a5
Autor:
E. E. Ammar
Publikováno v:
Information Sciences. 178:468-484
In this paper, a multiobjective quadratic programming problem fuzzy random coefficients matrix in the objectives and constraints and the decision vector are fuzzy variables is considered. First, we show that the efficient solutions fuzzy quadratic mu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::03a39cae0f289d86c1def9fda5352b7e
https://doi.org/10.1016/j.ins.2007.03.029
https://doi.org/10.1016/j.ins.2007.03.029
Autor:
E. E. Ammar
Publikováno v:
European Journal of Operational Research. 180:971-982
This paper is concerned with the study of optimality conditions for disjunctive fractional minmax programming problems in which the decision set can be considered as a union of a family of convex sets. Dinkelbach’s global optimization approach for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::daa001f456c256c935e535da17e011e1
https://doi.org/10.1016/j.ejor.2006.08.051
https://doi.org/10.1016/j.ejor.2006.08.051
Autor:
E. E. Ammar
Publikováno v:
Applied Mathematics and Computation. 172:865-875
Dinkelbach's global optimization approach for finding the global maximum of the fractional programming problem is discussed. Based on this idea, we give several characterizations of the solution set of a convex-concave fractional programs. Nondiffere
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9be760c269d3d771b584504beb4b6214
https://doi.org/10.1016/j.amc.2005.02.039
https://doi.org/10.1016/j.amc.2005.02.039