Existence of proper semihypergroups of type \(U\) on the right.

DOI10.1016/j.disc.2007.03.001zbMath1132.20046OpenAlexW2062000137MaRDI QIDQ2461208

Dario Fasino, Domenico Freni

Publication date: 27 November 2007

Published in: Discrete Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.disc.2007.03.001

zbMATH Keywords

type \(U\) hypergroupssubsemigroups\(D\)-hypergroupscyclic semihypergroups

Mathematics Subject Classification ID

Hypergroups (20N20)

Related Items (22)

(Fuzzy) strongly regular equivalence relations on semihypergroups ⋮ Study on the Structure of Γ-Semihypergroups ⋮ On Quasi-Hyperideals in Semihypergroups ⋮ Characterizations of (strongly) ordered regular relations on ordered semihypergroups ⋮ A further study on ordered regular equivalence relations in ordered semihypergroups ⋮ Study on Green's relations in ordered semihypergroups ⋮ \(\Gamma\)-semihypergroups and regular relations. ⋮ On pure hyperradical in semihypergroups. ⋮ Fundamental relations in simple and 0-simple semihypergroups of small size. ⋮ Fully simple semihypergroups. ⋮ Hyperfilters and fuzzy hyperfilters of ordered semihypergroups ⋮ Ordered regular equivalence relations on ordered semihypergroups ⋮ On further properties of minimal size in hypergroups of type U on the right ⋮ Relationship between ordered semihypergroups and ordered semigroups by using pseudoorder. ⋮ Study on quasi-Γ-hyperideals in Γ-semihypergroups ⋮ Minimal order semihypergroups of type \(U\) on the right. II. ⋮ A study on (strong) order-congruences in ordered semihypergroups ⋮ An investigation on hyper \(S\)-posets over ordered semihypergroups ⋮ Hypergroups of type \(U\) on the right of size six. ⋮ Isomorphism classes of the hypergroups of type \(U\) on the right of size five. ⋮ Unnamed Item ⋮ Some classes of semihypergroups of type \(U\) on the right

Cites Work

• Les cogroupes et les D-hypergroupes. (Cogroups and D-hypergroups)
• Les cogroupes et la construction de Utumi. (Cogroups and the Utumi construction)
• Hypergroups of type \(C\)
• On a class of hypergroups of type \(C\)
• Hypergroups of type \(U\) and homology of complexes
• Theory of cogroups
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