Centrality and connectors in Maltsev categories
Centrality and connectors in Maltsev categories
复制标题
Maltsev 类别中的中心性和连接器
DOI:
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发表时间:
2002
期刊:
影响因子:
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通讯作者:
M. Gran
中科院分区:
文献类型:
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作者:
D. Bourn;M. Gran
Abstract. We develop a new approach to the classical property of centrality of equivalence relations. The internal notion of connector allows to clarify classical results in Maltsev varieties and to extend them in the more general context of regular Maltsev categories, hence including the important new examples of Maltsev quasivarieties and of topological Maltsev algebras. We also prove that Maltsev categories can be characterized in terms of a property of connectors.