A comonadic interpretation of Baues–Ellis homology of crossed modules
نویسندگان
چکیده
منابع مشابه
The Low-dimensional Homology of Crossed Modules
This paper is prompted by work of Grandjee an and Ladra on homol-ogy crossed modules. We deene the homology of a crossed module in dimensions one and two via the equivalence of categories with group objects in groupoids. We show that for any perfect crossed module, its second homology crossed module occurs as the kernel of its universal central extension as deened by Norrie. Our rst homology is...
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ژورنال
عنوان ژورنال: Journal of Homotopy and Related Structures
سال: 2018
ISSN: 2193-8407,1512-2891
DOI: 10.1007/s40062-018-0225-3