A simplification of D'Alarcao's idempotent separating extensions of inverse semigroups

Constance C. Edwards

International Journal of Mathematics and Mathematical Sciences, 1978, vol. 1, 1-4

Abstract:

In [2] D'Alarcao states necessary and sufficient conditions for the attainment of an idempotent-separating extension of an inverse semigroup. To do this D'Alarcao needed essentially three mappings satisfying thirteen conditions. In this paper we show that one can achieve the same results with two mappings satisfying eight conditions.

Date: 1978
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jijmms:125434

DOI: 10.1155/S0161171278000393

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