A cancellative amenable ascending union of nonamenable semigroups
We construct an example of a cancellative amenable semigroup which is the ascending union of semigroups, none of which are amenable.
A certain equivalence on a semigroup
A characterization of convolution and related operations.
A class of maximal inverse subsemigroups of TX.
A counterexample in the cohomology of monoids.
A Hahn-Banach theorem for separation of semigroups and its application.
A left compatible coequality relation on a semigroup with apartness.
A matrix characterization of the maximal groups in
A note on the quasi-antiorder in a semigroup.
A Note on the Structure of the Semigroup of Doubly-Stochastic Matrices
A semigroup in function algebra.
A semigroup treatment of some theorems on non-negative matrices
A semigroup-theoretic proof of the law of large numbers.
A study of operands in terms of maximal generalized orbits.
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A theorem on doubly transitive permutation groups with application to universal algebras
Abian's order relation for semigroups.
Algebraic theory of finite semigroups
An example of a semigroup where a D-class is a subsemigroup but not bisimple.
An unconventional problem in the elementary theory of numbers