Results 51 to 60 of about 100 (86)
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A fuzzy application of the group Zn to complete hypergroups.

Soft Comput., 2019
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Irina Cristea   +2 more
openaire   +4 more sources

Fuzzy roughness of n-ary hypergroups based on a complete residuated lattice

Neural Computing and Applications, 2010
This paper considers the relationships among L-fuzzy sets, rough sets and n-ary hypergroup theory. Based on a complete residuated lattice, the concept of (invertible) L-fuzzy n-ary subhypergroups of a commutative n-ary hypergroup is introduced and some related properties are presented.
Yunqiang Yin   +2 more
openaire   +1 more source

Atanassov's intuitionistic fuzzy grade of a class of non-complete 1-hypergroups

Journal of Intelligent & Fuzzy Systems, 2014
This paper continues the study of the length of the sequence of join spaces and Atanassov's intuitionistic fuzzy sets associated with a hypergroup H. The classes of non-complete 1-hypergroups are considered and analyzed their Atanassov's intuitionistic fuzzy grade.
Elhan Hassani Sadrabadi, Bijan Davvaz
openaire   +1 more source

FUZZY GRADE OF THE COMPLETE HYPERGROUPS

2012
This paper continues the study of the connection between hyper- groups and fuzzy sets, investigating the length of the sequence of join spaces associated with a hypergroup. The classes of complete hypergroups and of 1-hypergroups are considered and analyzed in this context.
Angheluta, Carmen, Cristea, Irina
openaire   +1 more source

Some results for strongly fuzzy grade of special complete hypergroups

2015 4th Iranian Joint Congress on Fuzzy and Intelligent Systems (CFIS), 2015
The study of hyperstructures connected with fuzzy sets represents a growing and new line of research spanning over the last twenty years. The starting point of this contribution is the connection between hypergroupoids and fuzzy sets established by Corsini he has associated a join space with a fuzzy set and then a fuzzy set with a hypergroupoid ...
Mohammad Javad Ataei, Maryam Momenzade
openaire   +1 more source

Invariant $φ$-means on multiplier completion of Banach algebras with application to hypergroups

2019
Let ${\mathcal A}$ be a Banach algebra and let $φ$ be a non-zero character on ${\mathcal A}$. Suppose that ${\mathcal A}_M$ is the closure of the faithful Banach algebra ${\mathcal A}$ in the multiplier norm. In this paper, topologically left invariant $φ$-means on ${\mathcal A}_M^*$ are defined and studied.
Nemati, Mehdi, Rizi, Maryam Rajaei
openaire   +1 more source

Completely simple and regular semi hypergroups.

2012
The concept of `simple' hypergroups is introduced and results on them are obtained. Constructions on these hyperstructures are defined and studied. The main results are on the product structures.
Jafarabadi, Hossein Mousa   +2 more
openaire   +1 more source

Complete cyclic hypergroups

1980
In this paper the authors carry on the analysis of cyclic, complete hypergroups, which they had begun in a precedent pater [13]. They investigate especially the "cyclity" and characterize better its role in the theory. They obtain several results which, in particular those regarding the classes of isomorphisms, the combinatorial look comes out.
DE SALVO, Mario, D. Freni
openaire   +2 more sources

Complete finite hypergroups

1982
A Lagrange theorem for a complete finite hypergroup is proved. By using it, the author determines the structure of complete finite hypergroups with order a multiple of q , 2≤q≤5 .
openaire   +1 more source

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