On the nilpotency of the Jacobson radical of semigroup rings.
On the nilpotent rank of partial transformation semigroups.
On the orders of the subsemigroups of the symmetrical semigroup Jn.
On the periodicity of morphisms on free monoids
On the Pexider equation.
On the Pin-Thérien expansion of idempotent monoids.
On the power semigroup of a finite semigroup
On the probability that two elements of a finite semigroup have the same right matrix
We study the probability that two elements which are selected at random with replacement from a finite semigroup have the same right matrix.
On the product and sum of a system of transformation semigroups
On the quasivarieties generated by finite semigroups.
On the ranks of certain finite semigroups of order-decreasing transformations.
On the ranks of certain semigroups of order-preserving transformations.
On the representation of abstract semigroups by transformation semigroups : Computer investigations.
On the representation of lattices by subsemigroup lattices of bands.
On the right action hierarchy of semigroups
On the saturated numerical semigroups
In this study, we characterize all families of saturated numerical semigroups with multiplicity four. We also present some results about invariants of these semigroups.
On the semigroup of binary relations on a finite set
On the semigroup of closure operations.
On the semigroup of mappings on Fréchet Montel space
On the semigroup of fully indecomposable relations