Quaternionic Fuzzy Sets

Autor: Songsong Dai
Jazyk: angličtina
Rok vydání: 2023
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Zdroj: Axioms, Vol 12, Iss 5, p 490 (2023)
Druh dokumentu: article
ISSN: 12050490
2075-1680
DOI: 10.3390/axioms12050490
Popis: A novel concept of quaternionic fuzzy sets (QFSs) is presented in this paper. QFSs are a generalization of traditional fuzzy sets and complex fuzzy sets based on quaternions. The novelty of QFSs is that the range of the membership function is the set of quaternions with modulus less than or equal to one, of which the real and quaternionic imaginary parts can be used for four different features. A discussion is made on the intuitive interpretation of quaternion-valued membership grades and the possible applications of QFSs. Several operations, including quaternionic fuzzy complement, union, intersection, and aggregation of QFSs, are presented. Quaternionic fuzzy relations and their composition are also investigated. QFS is designed to maintain the advantages of traditional FS and CFS, while benefiting from the properties of quaternions. Cuts of QFSs and rotational invariance of quaternionic fuzzy operations demonstrate the particularity of quaternion-valued grades of membership.
Databáze: Directory of Open Access Journals
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