Geodesic
Bicat is not triequivalent to Gray
Theory and applications of categories, Tome 18 (2007), pp. 1-3.

Voir la notice de l'article provenant de la source Theory and Applications of Categories website

Bicat is the tricategory of bicategories, homomorphisms, pseudonatural transformations, and modifications. Gray is the subtricategory of 2-categories, 2-functors, pseudonatural transformations, and modifications. We show that these two tricategories are not triequivalent.
Classification : 18D05
Keywords: bicategory, tricategory, Gray-category, coherence 
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     author = {Stephen Lack},
     title = {Bicat is not triequivalent to {Gray}},
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     volume = {18},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2007_18_a0/}
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Stephen Lack. Bicat is not triequivalent to Gray. Theory and applications of categories, Tome 18 (2007), pp. 1-3. http://geodesic.mathdoc.fr/item/TAC_2007_18_a0/