Almost factorisable straight locally inverse semigroups

Dombi, Erzsebet (2003) Almost factorisable straight locally inverse semigroups. Acta Scientiarum Mathematicarum, 69 (3). pp. 569-589. ISSN 0001-6969

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We introduce the notion of a factorisable and an almost factorisable straight locally inverse semigroup, and prove that every straight locally inverse semigroup can be obtained as a subsemigroup of an idempotent separating homomorphic image of a Pastijn product of a semilattice by a completely simple semigroup. Moreover, we give an alternative proof of the fact that each straight locally inverse semigroup has a weakly E-unitary cover, implicitely due to Pastijn.


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