Results 51 to 60 of about 153 (112)

Minimal order semihypergroups of type U on the right

open access: yes, 2008
We study existence and possible uniqueness of special semihypergroups of type U on the right. In particular, we prove that there exists a unique proper semihypergroup of this kind having order 6, apart of isomorphisms; the least order for a hypergroup of
FASINO, Dario, FRENI, Domenico
core   +1 more source

Atanassov's intuitionistic fuzzy Gamma - hyperideals of Gamma - semihypergroups

open access: yes, 2013
The notion of intuitionistic fuzzy sets was introduced by Atanassov as a generalization of the notion of fuzzy sets. In this paper, we apply this concept to Gamma - semihypergroups and we introduce the notion of an intuitionistic fuzzy Gamma - hyperideal
DAVVAZ, B., ERSOY, Bayram Ali
core   +1 more source

Ideals in a semihypergroup and Green's relations

open access: yes, 1999
The concept of ideal in a right (left) semihypergroup is defined.
A. Hasankhani, Hasankhani, A.
core  

Green's relations on ternary semihypergroups and crossed hyperproduct of hypergroups

open access: yes, 2021
In this paper, we introduce all Green's relations on the ternary semihypergroup and study some properties of these equivalence relations in view of those obtained in binary and ternary semigroups.
Unal, Seda Oguz
core   +1 more source

Multipolar Fuzzy Hyperideals in Ordered Semihypergroups

open access: yes, 2022
An multi-polar fuzzy set is a robust mathematical model to examine multipolar, multiattribute, and multi-index data. The multi-polar fuzzy sets was created as a useful mechanism to portray uncertainty in multiattribute decision making.
Bijan Davvaz   +2 more
core   +1 more source

On 2-SuperHyperLeftAlmostSemihypergroups

open access: yes, 2022
. The aim of this paper is to extend the concept of hyperideals to the SuperHyperAlgebras. In this paper, we introduce the concept of 2-SuperHyperLeftAlmostSemihypergroups which is a generalization of LA-semihypergroups.
Pairote Yiarayong
core   +1 more source

On Cyclic LA-Hypergroups

open access: yes, 2023
Symmetries in the context of hypergroups and their generalizations are closely related to the algebraic structures and transformations that preserve certain properties of hypergroup operations. Symmetric LA-hypergroups are indeed commutative hypergroups.
Muhammad Gulistan   +3 more
core   +1 more source

Existence of proper semihypergroups of type U on the right

open access: yes, 2007
We generalize the classical definition of hypergroups of type U on the right to semihypergroups, and we prove some properties of their subsemihypergroups and subhypergroups.
FASINO, Dario, FRENI, Domenico
core   +1 more source

Some properties of quasi-gamma-hyperideals and hyperfilters in ordered gamma-semihypergroups

open access: yes, 2018
WOS:000429448200007In this paper, we give some characterizations of the regularity of an ordered Gamma-semihypergroup in terms of left, right and quasi-Gamma-hyperideals. Also, we define and use the notion of hyperfilters in ordered Gamma-semihypergroups
Davvaz, Bijan   +2 more
core  

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