Abstract
The notion of interval valued intuitionistic fuzzy sets was introduced by Atanassov and Gargov as a generalization of the notion of intuitionistic fuzzy sets and interval valued fuzzy sets. In this paper, we initiate a study on interval valued intuitionistic fuzzy sets in \(\Gamma \)-semihypergroups. We introduce the notions of interval valued intuitionistic fuzzy left (right, two sided) \(\Gamma \)-hyperideal, interval valued intuitionistic fuzzy bi-\(\Gamma \)-hyperideal and interval valued intuitionistic fuzzy (1,2) \(\Gamma \)-hyperideal in a \(\Gamma \)-semihypergroup and some properties of them are obtained. We use the interval valued intuitionistic fuzzy left, right, two-sided and bi-\(\Gamma \)-hyperideals to characterize some classes of \(\Gamma \)-semihypergroups. We also introduce the notion of an interval valued intuitionistic fuzzy \(M\) (resp. \(N\))-hypersystem of a \(\Gamma \)-semihypergroup and some properties of them are investigated.
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Abbreviations
- \(\mathcal {P}^{*}(S)=\mathcal {P}(S)\backslash \{\emptyset \}\) :
-
The set of all non-empty subsets of \(S\)
- \(\Gamma \) :
-
The set of all hyperoperations
- \(D\) [0,1]:
-
The collections of all closed subinterval of \( [0,1]\)
- \(\widetilde{\lambda }\) :
-
An interval valued fuzzy set
- i.v fuzzy set:
-
Interval valued fuzzy set
- \(A=\langle \widetilde{\mu }_{A},\) \(\widetilde{\gamma }_{A}\rangle \) :
-
Notion for interval valued intuitionistic fuzzy set
- i.v intuitionistic fuzzy set:
-
Interval valued intuitionistic fuzzy set
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Acknowledgments
We wish to express our heart thanks to Pakistan Science Foundation. This research work was supported by a grant of Pakistan Science Foundation, Islamabad, Pakistan.
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Abdullah, S., Aslam, M. & Hila, K. Interval valued intuitionistic fuzzy sets in \(\Gamma \)-semihypergroups. Int. J. Mach. Learn. & Cyber. 7, 217–228 (2016). https://doi.org/10.1007/s13042-014-0250-4
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DOI: https://doi.org/10.1007/s13042-014-0250-4