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picture fuzzy Relations over picture fuzzy sets

American Journal of Computational Mathematics 2023年第1期13卷 161-184页

作者： Mohammad Kamrul Hasan Abeda Sultana Nirmal Kanti Mitra Department of Mathematics Jahangirnagar University Savar Bangladesh Department of Mathematics and Statistics Bangladesh University of Business and Technology Dhaka Bangladesh

Nowadays, picture fuzzy set theory is a flourishing field in mathematics with uncertainty by incorporating the concept of positive, negative and neutral membership degrees of an object. A traditional crisp relation represents the satisfaction or the dissatisfaction of relationship, connection or correspondence between the objects of two or more sets. However, there are some problems that can’t be solved through classical relationships, such as the relationship between two objects being vague. In those situations, picture fuzzy relation over picture fuzzy sets is an important and powerful concept which is suitable for describing correspondences between two vague objects. It represents the strength of association of the elements of picture fuzzy sets. It plays an important role in picture fuzzy modeling, inference and control system and also has important applications in relational databases, approximate reasoning, preference modeling, medical diagnosis, etc. In this article, we define picture fuzzy relations over picture fuzzy sets, including some other fundamental definitions with illustrations. The max-min and min-max compositions of picture fuzzy relations are defined in the light of picture fuzzy sets and discussed some properties related to them. The reflexivity, symmetry and transitivity of a picture fuzzy relation are described over a picture fuzzy set. Finally, various properties are explored related to the picture fuzzy relations over a picture fuzzy set.

关键词： picture fuzzy sets picture fuzzy Relations picture fuzzy Binary Rela-tions Composition of picture fuzzy Relations

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