Quasi-abelian and quasi-solvable regular semigroups
In this note quasi-abelian semigroups are studied and it is proved that they form an e-variety of orthodox semigroups. More, quasi-abelian regular Bruck-Reilly monoids are characterized as extensions of monoids which are (reverse) semidirect products of a group and a semilattice. At last, quasi-abel...
Main Author: | |
---|---|
Format: | Article |
Language: | English |
Published: |
Università degli Studi di Catania
1996-12-01
|
Series: | Le Matematiche |
Online Access: | http://www.dmi.unict.it/ojs/index.php/lematematiche/article/view/468 |