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Some Properties of Hall–Yamada Semigroups

✍ Scribed by T. Newton

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
271 KB
Volume
185
Category
Article
ISSN
0021-8693

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✦ Synopsis

The Hall᎐Yamada structure theorem for orthodox semigroups utilizes the ortho-Ž . dox semigroup H H B, T, which is built up from a band B, an inverse semigroup T, and a morphism from T into W r␥ , where W is the Hall semigroup of B B B

and ␥ is its least inverse semigroup congruence. In this paper we cosmetically alter Ž . H H B ,T , and then proceed to characterize properties of this altered semigroup Ž . in terms of properties of B, T, .

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