Closed Model Categories for Presheaves of Simplicial Groupoids and Presheaves of 2-Groupoids

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It is shown that the category of presheaves of simplicial groupoids and the category of presheaves of 2-groupoids have Quillen closed model structures. Furthermore, their homotopy categories are equivalent to the homotopy categories of simplicial presheaves and homotopy 2-types, respectively.
17 pages

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Algebraic Topology, Category Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/218595

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0301045
 http://arxiv.org/abs/math/0301045

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arXiv