Dedicated to the memory of John Howie, mentor and friend Abstract. We obtain a covering theorem for E∗-dense E-semigroups showing that such a semigroup has an E∗-dense, strongly E∗-unitary E-semigroup as a cover and describe the structure of the latter semigroups
AbstractLet (T,+) be a Hausdorff semitopological semigroup, S be a dense subsemigroup of T and e be ...
AbstractBy a left proper E-dense monoid M we mean a left type-A proper and E-dense monoid. More prec...
AbstractA major result of D.B. McAlister for inverse semigroups is generalised in the paper to class...
The structure of a categorical, E*-dense, E*-unitary E-semigroup S is elucidated in terms of a 'B-qu...
The structure of a categorical, E*-dense, E*-unitary E-semigroup S is elucidated in terms of a 'B-qu...
AbstractWe give a direct proof of Ehresmann's Maximum Enlargement Theorem. As an application, we sho...
We prove that every semigroup S in which the idempotents form a subsemigroup has an E-unitary cover ...
Abstract. A left ample semigroup is a semigroup with a unary operation + which has a (2, 1)-algebra ...
In a recent paper (Trans. Amer. Math. Soc. 349 (1997), 4265–4310), P.G. Trotter and the author intro...
In a recent paper (Trans. Amer. Math. Soc. 349 (1997), 4265–4310), P.G. Trotter and the author intro...
AbstractIn a recent paper (Trans. Amer. Math. Soc. 349 (1997), 4265–4310), P.G. Trotter and the auth...
In this paper, we give some characterizations of -regular semigroups and show that the class of -reg...
AbstractWe give a direct proof of Ehresmann's Maximum Enlargement Theorem. As an application, we sho...
In 1986, Higgins proved that T.X/, the semigroup (under composition) of all total transformations of...
Let X be a subset of a semigroup S. We denote by E(X) the set of idempotent elements Of X.An element...
AbstractLet (T,+) be a Hausdorff semitopological semigroup, S be a dense subsemigroup of T and e be ...
AbstractBy a left proper E-dense monoid M we mean a left type-A proper and E-dense monoid. More prec...
AbstractA major result of D.B. McAlister for inverse semigroups is generalised in the paper to class...
The structure of a categorical, E*-dense, E*-unitary E-semigroup S is elucidated in terms of a 'B-qu...
The structure of a categorical, E*-dense, E*-unitary E-semigroup S is elucidated in terms of a 'B-qu...
AbstractWe give a direct proof of Ehresmann's Maximum Enlargement Theorem. As an application, we sho...
We prove that every semigroup S in which the idempotents form a subsemigroup has an E-unitary cover ...
Abstract. A left ample semigroup is a semigroup with a unary operation + which has a (2, 1)-algebra ...
In a recent paper (Trans. Amer. Math. Soc. 349 (1997), 4265–4310), P.G. Trotter and the author intro...
In a recent paper (Trans. Amer. Math. Soc. 349 (1997), 4265–4310), P.G. Trotter and the author intro...
AbstractIn a recent paper (Trans. Amer. Math. Soc. 349 (1997), 4265–4310), P.G. Trotter and the auth...
In this paper, we give some characterizations of -regular semigroups and show that the class of -reg...
AbstractWe give a direct proof of Ehresmann's Maximum Enlargement Theorem. As an application, we sho...
In 1986, Higgins proved that T.X/, the semigroup (under composition) of all total transformations of...
Let X be a subset of a semigroup S. We denote by E(X) the set of idempotent elements Of X.An element...
AbstractLet (T,+) be a Hausdorff semitopological semigroup, S be a dense subsemigroup of T and e be ...
AbstractBy a left proper E-dense monoid M we mean a left type-A proper and E-dense monoid. More prec...
AbstractA major result of D.B. McAlister for inverse semigroups is generalised in the paper to class...