THE DIRECT SUM OF SEMIGROUPS IS OF INNER TYPE
The dual braid monoid
The dual ordinal of a bisimple inverse semigroup.
The Embedding of an Ordered Semigroup in an Ordered group via the Quotient Condition
The equivalence of uniquely divisible semigroups and uniquely representable semigroups on the two-cell.
The Euler-Fermat theorem for the semigroup of circulant Boolean matrices
The existence and structure of IRR(X).
The existence of identity of orthodox semigroup rings.
The exponent semigroup of a semigroup satisfying (XY)3 = x3 Y3.
The factorizable transformation semigroups.
The Fibonacci automorphism of free Burnside groups
We prove that the Fibonacci morphism is an automorphism of infinite order of free Burnside groups for all odd and even .
The Fibonacci automorphism of free Burnside groups
We prove that the Fibonacci morphism is an automorphism of infinite order of free Burnside groups for all odd and even .
The finite basis problem in the pseudovariety joins of aperiodic semigroups with groups.
The finite basis question for semigroups of order less than six.
The finiteness of a base of indentities for fiveelement monoids
The free algebra in the variety generated by quasi-trivial semigroups
The free compact lattice generated by a topological semilattice.
The free completely regular semigroup on a set.
The Frobenius number of geometric sequences.
The functional equation f(xy) = ff(x) xy ff(y) in a partially ordered monoid.