Some Conditions Related to the Exactness of Rees–Sushkevich Varieties
Semigroups, Varieties, Exact varieties, Completely simple, Completely o-simple, Rees-Sushkevich
This article presents some conditions, expressed in terms of the inclusion and exclusion of certain small semigroups, that are related to a Rees–Sushkevich variety being generated by completely 0-simple or completely simple semigroups.
Kublanovsky, S. I.; Lee, Edmond W. H.; and Reilly, Norman R., "Some Conditions Related to the Exactness of Rees–Sushkevich Varieties" (2008). Mathematics Faculty Articles. 160.