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math.AT2004
A model structure a la Thomason on 2-Cat
K. Worytkiewicz, K. Hess, P. E. Parent +1
We exhibit a model structure on 2-Cat, obtained by transfer from sSet across the adjunction C_2 o Sd^2 -| Ex^2 o N_2.
math.AT2003
A simplicial model for the Hopf map
Orin R. Sauvageot
We give an explicit simplicial model for the Hopf map S^3 -> S^2. For this purpose, we construct a model of S^3 as a principal twisted cartesian product K x_{eta} S^2, where K is a…