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On the Second Homology of Crossed Modules
Bulletin of the Malaysian Mathematical Sciences Society ( IF 1.0 ) Pub Date : 2020-09-15 , DOI: 10.1007/s40840-020-01007-5
Tahereh Fakhr Taha , Hajar Ravanbod , Ali Reza Salemkar

In this article, we present a new description of the integral second homology of crossed modules of groups and generalize two basic results on the integral second homology of groups for crossed modules. Using these, we strengthen some consequences on covering pairs and the universal relative central extensions of pairs of finite groups.



中文翻译:

关于交叉模块的第二同源性

在本文中,我们对组交叉模块的积分第二同源性进行了新的描述,并概括了交叉模块组的积分第二同源性的两个基本结果。使用这些,我们在覆盖对和有限群对的普遍相对中心扩展上会产生一些后果。

更新日期:2020-09-15
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