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Computing Homotopy Types Using Crossed N-Cubes of Groups | | Ronald Brown
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14 Sep 2001 | | Journal: | Adams Memorial Symposium on Algebraic Topology, Vol 1, edited N. Ray and G Walker, Cambridge University Press, 1992, 187-210 | | Subject: | Algebraic Topology MSC-class: 55P15, 55R35, 20L05 | math.AT | | Abstract: | The aim of this paper is to explain how, through the work of a number of people, some algebraic structures related to groupoids have yielded algebraic descriptions of homotopy n-types. Further, these descriptions are explicit, and in some cases completely computable, in a way not possible with the traditional Postnikov systems, or with other models, such as simplicial groups. | | Source: | arXiv, math.AT/0109091 | | Services: | Forum | Review | PDF | Favorites | |
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