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Fuzzy Reduced Hypergroups [PDF]

open access: goldMathematics, 2020
The fuzzyfication of hypercompositional structures has developed in several directions. In this note we follow one direction and extend the classical concept of reducibility in hypergroups to the fuzzy case.
Milica Kankaras, Irina Cristea
doaj   +5 more sources

G-Hypergroups: Hypergroups with a Group-Isomorphic Heart [PDF]

open access: yesMathematics, 2022
Hypergroups can be subdivided into two large classes: those whose heart coincide with the entire hypergroup and those in which the heart is a proper sub-hypergroup. The latter class includes the family of 1-hypergroups, whose heart reduces to a singleton,
Mario De Salvo   +3 more
doaj   +3 more sources

Algebraic Quantum Hypergroups [PDF]

open access: greenAdvances in Mathematics, 2006
An algebraic quantum group is a multiplier Hopf algebra with integrals. In this paper we will develop a theory of algebraic quantum hypergroups. It is very similar to the theory of algebraic quantum groups, except that the comultiplication is no longer assumed to be a homomorphism. We still require the existence of a left and of a right integral. There
L. Delvaux, Alfons Van Daele
openalex   +5 more sources

On the semi-sub-hypergroups of a hypergroup [PDF]

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1991
In this paper we study some properties of the semi-sub-hypergroups and the closed sub-hypergroups of the hypergroups. We introduce the correlated elements and the fundamental elements and we connect the concept antipodal of the latter with Frattin's ...
Ch. G. Massouros
doaj   +3 more sources

Quasi-Order Hypergroups and T-Hypergroups

open access: yesRatio Mathematica, 2017
Quasi-order hypergroups were introduced by J. Chvalina in 90s of the last century. They form a subclass of the class of all hypergroups, i.e. structures with one associative hyperoperation fulfilling the reproduction axiom.
Šárka Hošková-Mayerová
doaj   +2 more sources

On Certain Proximities and Preorderings on the Transposition Hypergroups of Linear First-Order Partial Differential Operators [PDF]

open access: diamondAnalele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2014
The contribution aims to create hypergroups of linear first-order partial differential operators with proximities, one of which creates a tolerance semigroup on the power set of the mentioned differential operators.
Chvalina Jan   +1 more
doaj   +2 more sources

Symmetrization of monoïds as hypergroups [PDF]

open access: greenSymmetry, Integrability and Geometry: Methods and Applications, 2013
The purpose of the present paper is to investigate a hypergroup associated with irreducible characters of a compact hypergroup $H$ and a closed subhypergroup $H_0$ of $H$ with $|H/H_0|< +\infty$. The convolution of this hypergroup is introduced by inducing irreducible characters of $H_0$ to $H$ and by restricting irreducible characters of $H$ to ...
Simon Henry
openalex   +5 more sources

\alpha-Amenable Hypergroups [PDF]

open access: green, 2009
Let $K$ denote a locally compact commutative hypergroup, $L^1(K)$ the hypergroup algebra, and $\alpha$ a real-valued hermitian character of $K$. We show that $K$ is $\alpha$-amenable if and only if $L^1(K)$ is $\alpha$-left amenable. We also consider the $\alpha$-amenability of hypergroup joins and polynomial hypergroups in several variables as well as
Ahmadreza Azimifard
openalex   +3 more sources

On enumeration of $EL$-hyperstructures with $2$ elements [PDF]

open access: yesJournal of Mahani Mathematical Research, 2022
$EL$-hypergroups  were defined by Chvalina 1995. Till now, no exact statistics of $EL$-hypergroups have been done. Moreover, there is no classification of $EL$-hypergroups and $EL^2$-hypergroups even over small sets.
Saeed Mirvakili, Sayed Hossein Ghazavi
doaj   +1 more source

Auto-Engel Polygroups [PDF]

open access: yesMathematics Interdisciplinary Research, 2021
This paper introduces the concept of auto–Engel polygroups via the heart of hypergroups and investigates the relation between of auto–Engel polygroups and auto–nilpotent polygroups.
Ali Mosayebi-Dorcheh   +2 more
doaj   +1 more source

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