The classifying space of a categorical c
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Pilar Carrasco; Antonio M. Cegarra; Antonio R. GarzΓ³n
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Article
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2010
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John Wiley and Sons
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English
β 365 KB
## Abstract Any pointed CWβcomplex __X__ has associated a categorical crossed module __WX__ whose homotopy groups coincide with those of the space up to dimension 3. Here we associate __WX__ more closely with the homotopy 3βtype of __X__. We introduce the nerve of a categorical crossed module __L__