On the semigroup structure of cyclic left distributive algebras.
On the semiprimitivity of inverse semigroup algebras and on theorems by Domanov and Munn.
On the set of ranges of a transformation semigroup.
On the singular ideals of inverse semigroup algebras.
On the structure and arithmetic of finitely primary monoids
On the structure of dual semigroups
On the structure of dual semigroups
On the structure of inverse semigroups.
On the structure of lower radical semigroups
On the structure of (m,n)-commutative semigroups.
On the structure of orthodox semigroups.
On the structure of semigroups which are unions of groups.
On the structure of some group codes.
On the topological structure of a finitely generated semigroup of matrices.
On the type sequences of some one dimensional rings.
On the uniqueness of the coefficient ring in a semigroup ring.
On the varieties of Cliffordian Semigroups.
On the varieties of completely regular semigroups.
On the weak permutation property.
On the weak regularity of semigroup rings.