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Optimizing linear functions over novel fuzzy relation equations: Structure, feasibility, and global solutions | ||
| Iranian Journal of Fuzzy Systems | ||
| دوره 22، شماره 3، مرداد و شهریور 2025، صفحه 151-179 اصل مقاله (1.35 M) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22111/ijfs.2025.9295 | ||
| نویسندگان | ||
| A. Ghodousian* 1؛ M. Mollakazemiha2؛ M. Mashinchi3؛ R. Mesiar4، 5 | ||
| 1School of Engineering Science, College of Engineering, University of Tehran, Tehran, Iran. | ||
| 2Department of Mathematics, Faculty of Mathematics and Computer Science, University of M¨ unster, M¨ unster, Germany. | ||
| 3Department of Statistics, Faculty of Mathematics and Computer, Shahid Bahonar University of Kerman, Kerman, Iran | ||
| 4Department of Mathematics, Faculty of Civil Engineering, Slovak University of Technology in Bratislava, Bratislava, Slovakia. | ||
| 5Palack´ y University Olomouc, Faculty of Science, Dept. Algebra and Geometry, 17. listopadu 12, 771 46 Olomouc, Czech Republic | ||
| چکیده | ||
| We investigate the linear objective function optimization problem constrained by a new system of fuzzy relation equations, utilizing the minimum t-norm for fuzzy compositions. Our findings reveal that the feasible region is characterized as a finite union of closed convex cells. We provide necessary and sufficient conditions to determine the problem’s feasibility. To streamline optimization, seven novel rules are proposed, on which an algorithm is based to achieve a global optimum. Notably, a specific instance of our problem is shown to be equivalent to the well-known minimal vertex cover problem. The efficacy of our algorithm is demonstrated through a concrete example. | ||
| کلیدواژهها | ||
| Linear optimization؛ fuzzy relational equations؛ minimal vertex covering | ||
| مراجع | ||
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