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math.AT2004★ 3 cited
-categories, -groupoids, Segal categories and quasicategories
Timothy Porter
The notes were prepared for a series of talks that I gave in Hagen in late June and early July 2003, and, with some changes, in the University of La Laguña, the Canary Islands, in…
math.AT2001
Free crossed resolutions for graph products of groups
Ronald Brown, Manuel Bullejos, Timothy Porter
The category of crossed complexes gives an algebraic model of the category of -complexes and cellular maps. We explain basic results on crossed complexes which allow the comput…
math.AT1999
Iterated Peiffer pairings in the Moore complex of a simplicial group
A Mutlu, T Porter
We introduce a pairing structure within the Moore complex NG of a simplicial group G and use it to investigate generators for NG_n\cap D_n where D_n is the subgroup generated by de…