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82. Fuzzy Subhypergroups DegreeIrina Elena Cristea, 2016, original scientific article Abstract: In this paper we define the degree to which a fuzzy subset on a hypergroup is a fuzzy subhypergroup by means of the residuate sets, constructed using the minimum t-norm. We give also some properties of this new index connected with the intersection of a family of fuzzy subhypergroups, and respectively with the homomorphic image/preimage of a fuzzy subset. We conclude with addressing new problems related with intuitionistic fuzzy subhypergroups and fuzzy subpolygroups in the framework of our discussion. Found in: osebi Keywords: Fuzzy set, fuzzy subhypergroup, residuate set, t-norm Published: 24.06.2016; Views: 3303; Downloads: 0
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84. A method to compute the number of regular reversible Rosenberg hypergroupAli Tavakoli, Morteza Jafarpour, Irina Cristea, 2016, original scientific article Abstract: The purpose of this note is the study of the hypergroups
associated with binary relations. New types of matrices, called i-very good and regular reversible matrices, are introduced in order to give some properties of the Rosenberg hypergroups related to them. A program written in $MATLAB$ computes the number of these hypergroups up to isomorphism. Found in: osebi Keywords: hypergroup, binary relation, regular reversible
hypergroup, Boolean matrix Published: 02.09.2016; Views: 3433; Downloads: 0
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90. Al Tahan, M.; Davvaz, B. , On Corsini hypergroups and their productional hypergroups. (Englishsummary)Irina Cristea, 2019, review, book review, critique Found in: osebi Keywords: hypergroup, productional hypergroup, order Published: 18.12.2019; Views: 1546; Downloads: 0
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