The minimal ideal of compact subsemigroups of ß S.
The minimal ideals of a multiplicative and additive subsemigroup of ßN.
The rees theorem for locally compact semigroups.
The Rees theorem for weakly uniform semigroups.
The semigroup of Fredholm operators.
The smallest ideals in the two natural products on ßS.
The structure of semitopological monoids defined on compact connected 3-manifolds.
The structure semilattice of a compact U.D.C. semigroup.
The Stucture of Semitopological Monoids on Compact Connected Manifolds.
The theory of characters of commutative Hausdorff bicompact semigroups
The topological centre of a compactification of a locally compact group.
The topological structure of planar closed spirals which support clans.
The topology of the free topological semigroup
The weakly almost periodic compactification: Another approach.
Topological and Algebraic Copies of in .
Topological aspects of infinitude of primes in arithmetic progressions
We investigate properties of coset topologies on commutative domains with an identity, in particular, the 𝓢-coprime topologies defined by Marko and Porubský (2012) and akin to the topology defined by Furstenberg (1955) in his proof of the infinitude of rational primes. We extend results about the infinitude of prime or maximal ideals related to the Dirichlet theorem on the infinitude of primes from Knopfmacher and Porubský (1997), and correct some results from that paper. Then we determine cluster...
Topological regular semigroups and topological inductive groupoids.
Topological semigroups and Kirk's question
Topological Semigroups. History, Theory, Applications.
Topologically 0-simple semigroups.