TC semigroups and inflations.
Tensor product of commutative semigroups.
Tensor product of commutative unions of groups.
The admissable trace problem for E-unitary inverse semigroups.
The archimedean graph of a positive function on a semigroup.
The Automorphism Group of a Class of Semi-Groups.
The automorphism group of some semigroups
The bicommutator of the injective hull of a nonsingular semigroup.
The ...-category of a monoid.
The center of translational hull and the hull of center of semigroup
The characterisation of monoids by properties of their S-systems.
The cofinality of a band.
The concept of structural regularity.
The congruence extension property for algebraic semigroups.
The construction of semigroups from groups and semilattices
THE DIRECT SUM OF SEMIGROUPS IS OF INNER TYPE
The dual ordinal of a bisimple inverse semigroup.
The Embedding of an Ordered Semigroup in an Ordered group via the Quotient Condition
The existence and structure of IRR(X).
The exponent semigroup of a semigroup satisfying (XY)3 = x3 Y3.