Journal
JOURNAL OF INTELLIGENT & FUZZY SYSTEMS
Volume 27, Issue 1, Pages 143-158Publisher
IOS PRESS
DOI: 10.3233/IFS-130985
Keywords
Interval-valued hesitant fuzzy set; interval-valued hesitant fuzzy element; Algebraic and Archimedean t-norms and t-conorms
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Funding
- National Natural Science Foundation of China [71071161, 61273209]
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Interval-valued hesitant fuzzy sets (IVHFSs), as an extension of hesitant fuzzy sets, can account for the membership degrees of an element to a given set having a few different interval values, which provides an intuitionistic description on the differences among decision makers. We derive the properties and relationships of fundamental operations on IVHFSs for Algebraic t-norm and t-conorm. Furthermore, we present the operations based on Archimedean t-norm and t-conorm and investigate their properties. The results obtained using the two types of t-norms and t-conorms could be useful for applications of IVHFSs in information aggregation and decision making.
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