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Weak complicial sets, a simplicial weak omega-category theory. Part I: basic homotopy theory | | Dominic Verity
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19 Apr 2006 | | Subject: | Category Theory; Algebraic Topology | | Abstract: | This paper develops the foundations of a simplicial theory of weak omega-categories, which builds upon the insights originally expounded by Ross Street in his 1987 paper on oriented simplices. The resulting theory of weak complicial sets provides a common generalisation of the theories of (strict) omega-categories, Kan complexes and Joyal’s quasi-categories. We generalise a number of results due to the current author with regard to complicial sets and strict omega-categories to provide an armoury of well behaved technical devices, such as joins and Gray tensor products, which will be used to study these the weak omega-category theory of these structures in a series of companion papers. In particular, we establish their basic homotopy theory by constructing a Quillen model structure on the category of stratified simplicial sets whose fibrant objects are the weak complicial sets. As a simple corollary of this work we provide an independent construction of Joyal’s model structure on simplicial sets for which the fibrant objects are the quasi-categories. | | Source: | arXiv, math/0604414 | | Services: | Forum | Review | PDF | Favorites | |
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