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1.
Special intuitionistic fuzzy subhypergroups of complete hypergroups
Irina Cristea, Bijan Davvaz, Elhan Hassani Sadrabadi, 2015, original scientific article

Found in: ključnih besedah
Summary of found: ...complete hypergroup, intuitionistic fuzzy set, intuitionistic fuzzy subhypergroup, ...
Keywords: complete hypergroup, intuitionistic fuzzy set, intuitionistic fuzzy subhypergroup
Published: 22.01.2015; Views: 3043; Downloads: 0

2.
On complementable semihypergroups
Morteza Jafarpour, Irina Cristea, Hossien Aghabozorgi, 2016, original scientific article

Abstract: n this paper, we first introduce the notion of complementable semihypergroup, proving that the classes of simplifiable semigroups, groups, and complete hypergroups are examples of complementable semihypergroups. Then we define when two semihypergroups are disjoint and find examples of such semihypergroups. Finally, we discuss on the complementable property of $K_H$-hypergroups.
Found in: ključnih besedah
Summary of found: ...(semi) hypergroup, complementable semihypergroup, disjoint semihypergroup, $K_H$-hypergroup...
Keywords: (semi)hypergroup, complementable semihypergroup, disjoint semihypergroup, $K_H$-hypergroup
Published: 03.03.2016; Views: 2528; Downloads: 1
.pdf Fulltext (687,01 KB)

3.
On dihedral hypergroups
Irina Elena Cristea, Morteza Jafarpour, F. Alizadeh, 2014, original scientific article

Found in: ključnih besedah
Summary of found: ...dihedral group, regular hypergroup, reversible hypergroup, ...
Keywords: dihedral group, regular hypergroup, reversible hypergroup
Published: 16.06.2016; Views: 2274; Downloads: 8
URL Fulltext (0,00 KB)

4.
A method to compute the number of regular reversible Rosenberg hypergroup
Ali 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: ključnih besedah
Keywords: hypergroup, binary relation, regular reversible hypergroup, Boolean matrix
Published: 02.09.2016; Views: 2897; Downloads: 0
.pdf Fulltext (309,47 KB)

5.
Reducibility in hypergroups (crisp and fuzzy case)
Irina Cristea, 2015, published scientific conference contribution

Found in: ključnih besedah
Summary of found: ...fundamental relations, reduced hypergroup, fuzzy reduced hypergroup, fuzzy grade...
Keywords: fundamental relations, reduced hypergroup, fuzzy reduced hypergroup, fuzzy grade
Published: 18.10.2017; Views: 2093; Downloads: 0
.pdf Fulltext (300,72 KB)

6.
Fechner, Zywilla (D-ULM-MFN) ; Szekelyhidi, Laszlo (H-LAJO-IM) Sine functions on hypergroups.(English summary) Arch. Math. (Basel) 106 (2016), no. 4, 371 - 382.
Irina Cristea, 2017, review, book review, critique

Found in: ključnih besedah
Summary of found: ...sine function, cosine function, locally compact hypergroup, functional equations on hypergroups...
Keywords: sine function, cosine function, locally compact hypergroup, functional equations on hypergroups
Published: 27.02.2017; Views: 2465; Downloads: 0
.pdf Fulltext (132,08 KB)

7.
A note on composition (m,n)-hyperrings
Irina Cristea, Morteza Norouzi, 2017, original scientific article

Abstract: Based on the concepts of composition ring and composition hyperring, in this note we introduce the notion of composition structure for (m,n)-hyperrings and study the connections with composition hyperrings. Moreover we show that particular strong endomorphisms of (m,n)-hyperrings can determine the composition structure of such (m,n)-hyperrings. Finally, the three isomorphism theorems are presented in the case of composition (m, n)-hyperrings, showing that they are not a pure extension of those for composition hyperrings.
Found in: ključnih besedah
Summary of found: ...n- hypergroup, (m,n)-hyperring, composition hyperideal...
Keywords: n-hypergroup, (m, n)-hyperring, composition hyperideal
Published: 13.07.2017; Views: 2326; Downloads: 0
.pdf Fulltext (884,23 KB)

8.
Hyperrings with n -ary composition hyperoperation
Morteza Norouzi, Irina Cristea, 2017, original scientific article

Abstract: Based on the concepts of composition ring and composition hyperring, in this note we introduce the notion of $n$-ary composition hyperring and study the connections with composition hyperrings. Moreover we show that special strong multiendomorphisms of hyperrings can determine the $n$-ary composition structure of a such hyperring and also a subclass of $n$-ary composition hyperrings. Finally, the three isomorphism theorems are studied in the framework of $n$-ary composition hyperrings.
Found in: ključnih besedah
Summary of found: ...n-ary hypergroup, (m, n)-hyperring, composition hyperring, n-ary composition hyperideal...
Keywords: n-ary hypergroup, (m, n)-hyperring, composition hyperring, n-ary composition hyperideal
Published: 10.07.2017; Views: 2275; Downloads: 0
.pdf Fulltext (355,83 KB)

9.
Kawakami, Satoshi; Tsurii, Tatsuya; Yamanaka, Satoe Deformations of finite hypergroups. Sci. Math. Jpn. 79 (2016), no. 2, 113–123
Irina Cristea, 2017, review, book review, critique

Found in: ključnih besedah
Summary of found: ...finite hypergroup, deformation,...
Keywords: finite hypergroup, deformation
Published: 24.08.2017; Views: 3043; Downloads: 0
.pdf Fulltext (112,71 KB)

10.
Reducibility in hypergroups (crisp and fuzzy case)
Irina Cristea, 2015, published scientific conference contribution

Found in: ključnih besedah
Summary of found: ...fundamental relation, reduced hypergroup, fuzzy set...
Keywords: fundamental relation, reduced hypergroup, fuzzy set
Published: 30.08.2017; Views: 2035; Downloads: 0
.pdf Fulltext (300,72 KB)

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