Geodesic
The translational hull of an inverse semigroup
Glasgow mathematical journal, Tome 14 (1973) no. 1, pp. 56-64

Voir la notice de l'article provenant de la source Cambridge University Press

An ideal extension of one semigroup by another is determined by a partial homomorphism into the translational hull of the first semigroup [3, §2, Theorem 5]. In most ins tances, the development of the theory of ideal extensions has been hindered by inadequate knowledge of the translational hull; it is our purpose here to characterize certain basic structures in the translational hull of an arbitrary inverse semigroup. 
Ault, Janet E. The translational hull of an inverse semigroup. Glasgow mathematical journal, Tome 14 (1973) no. 1, pp. 56-64. doi: 10.1017/S0017089500001737
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