Varieties with equationally definable factor congruences

被引：0
|
作者：
Mariana V. Badano
Diego J. Vaggione
机构：
[1] Astronomía y Física (Fa.M.A.F.) Universidad Nacional de Córdoba - Ciudad Universitaria,Facultad de Matemática
来源：
Algebra universalis | 2013年 / 70卷
关键词：
Primary: 03C05; Secondary: 08B05; 08B10; central element; equationally definable factor congruences; Boolean factor congruences;
D O I：
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中图分类号：
学科分类号：
摘要：
A variety has definable factor congruences if there is a first order formula φ which defines each factor congruence in terms of its associated central element. We study the case in which φ is a conjunction of equations.
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页码：327 / 345
页数：18
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