The Intersection of Pseudovarieties of Central Simple Semigroups
The problem of computing a finite semigroup generating the intersection of two finitely generated pseudovarieties is considered. A solution to this problem is presented for central simple semigroups.
Lee, Edmond W. H. and Reilly, Norman R., "The Intersection of Pseudovarieties of Central Simple Semigroups" (2006). Mathematics Faculty Articles. 144.