Globals of Idempotent Semigroups

Globals of Idempotent Semigroups
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DOI:
10.1080/00927872.2015.1087006
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发表时间:
2016-05
影响因子:
0.7
通讯作者:
Aiping Gan;X. Zhao;Yong Shao
Aiping Gan;X. Zhao;Yong Shao
中科院分区:
数学3区
文献类型:
--
作者:
Aiping Gan;X. Zhao;Yong Shao

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如果S是一个半群,则S的整体(或幂半群)是S的所有非空子集的集合P(S),该集合配备有自然定义的乘法。一类半群K是整体决定的,如果K的任何两个具有同构整体的半群是同构的。我们研究了幂等半群的整体性质,特别证明了正规带类是整体决定的。
If S is a semigroup, the global (or the power semigroup) of S is the set P(S) of all nonempty subsets of S equipped with a naturally defined multiplication. A class K of semigroups is globally determined if any two semigroups of K with isomorphic globals are themselves isomorphic. We study properties of globals of idempotent semigroups and show, in particular, that the class of normal bands is globally determined.