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E-Unitary Covers over Group Varieties
被引：0
作者：
M. Hartmann
机构：
[1] Bolyai Institute,
[2]
University of Szeged,undefined
[3]
Szeged,undefined
[4] Aradi vértanúk tere 1,undefined
来源：
Semigroup Forum
|
2005年
/
70卷
关键词：
Variety Versus;
Group Variety;
Regular Semigroup;
Homomorphic Image;
Great Group;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this paper we show that for every nontrivial group variety V
different from the variety of all groups, there exists an E-unitary regular
semigroup whose greatest group homomorphic image belongs to V, but it
has no embeddable E-unitary cover over V.
引用
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页码：61 / 70
页数：9
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