On basis of identities of Brandt semigroups.
On certain finitely based varieties of semigroups.
On determinacies of monoids.
On epics and dominions of bands.
On extensions of partial -operators
On Free Commutative Groupoids
On free commutative groupoids.
On lattice ordered periodic semigroups
On ideals and subgroups of a semigroup
On middle units in orthodox semigroups.
On minimal ideals in semigroups with respect to their subsets. II.
On Reconstruction of Monoids from Their Table Fragments.
On Regular Anti-congruence in Anti-ordered Semigroups
On semigroup's admitting ring structure.
On semigroups admitting ring structure III
On semigroups in which every Rees one-sided congruence is a congruence.
On strict extensions of semigroups.
On strongly strict extensions of semigroups.
On structure space of -semigroups
In this paper we introduce the notion of the structure space of -semigroups formed by the class of uniformly strongly prime ideals. We also study separation axioms and compactness property in this structure space.
On the algebraic characterization of systems of partial mappings