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The greatest idempotent separating congruence on an ℒ-unipotent semigroup

✍ Scribed by Constance C. Edwards


Publisher
Springer
Year
1977
Tongue
English
Weight
348 KB
Volume
14
Category
Article
ISSN
0037-1912

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The Congruences on the Semigroup of Bala
✍ M.Paula O. Marques-Smith; R.P. Sullivan 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 221 KB

showed that the semigroup generated by all non-identity idempotent transformations of an infinite set X is the disjoint union of two semigroups, one of which is denoted by H and consists of all balanced transformations of X (that is, all transformations whose defect, shift, and collapse are equal an