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Coextensive varieties via central elements
Algebra universalis ( IF 0.6 ) Pub Date : 2021-08-05 , DOI: 10.1007/s00012-021-00745-2 W. J. Zuluaga Botero 1, 2
中文翻译:
通过中心元素的同延品种
更新日期:2021-08-09
Algebra universalis ( IF 0.6 ) Pub Date : 2021-08-05 , DOI: 10.1007/s00012-021-00745-2 W. J. Zuluaga Botero 1, 2
Affiliation
In this paper we use the theory of central elements in order to provide a characterization for coextensive varieties. In particular, if a variety is of finite type, congruence-permutable and its class of directly indecomposable members is universal, then the variety is coextensive if and only if it is a variety of shells.
中文翻译:
通过中心元素的同延品种
在本文中,我们使用中心要素理论来描述同延变种的特征。特别地,如果一个变体是有限类型的、同余置换的并且它的直接不可分解成员的类是普遍的,那么当且仅当它是一个变体壳时,这个变体是共延的。