Subdirect products of a band and a semigroup.
Tight semigroups.
A note on semilattice decompositions of completely -regular semigroups.
Sturdy bands of semigroups.
In this paper we consider band compositions determined by two transitive systems of monomorphisms, called the sturdy bands of semigroups.
Radicals of Green’s relations
Some structural descriptions of semigroups in which the radicals of Green’s relations are semilattice congruences will be given.
Subdirect products of certain varieties of unary algebras
J. Płonka in [12] noted that one could expect that the regularization of a variety of unary algebras is a subdirect product of and the variety of all discrete algebras (unary semilattices), but is not the case. The purpose of this note is to show that his expectation is fulfilled for those and only those irregular varieties which are contained in the generalized variety of the so-called trap-directable algebras.
Uniformly -regular rings and semigroups: a survey
Heuristic Algorithm for Single Resource Constrained Project Scheduling Problem Based on the Dynamic Programming
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