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.
@article{TAC_2007_18_a0, author = {Stephen Lack}, title = {Bicat is not triequivalent to {Gray}}, journal = {Theory and applications of categories}, pages = {1--3}, publisher = {mathdoc}, volume = {18}, year = {2007}, language = {en}, url = {http://geodesic.mathdoc.fr/item/TAC_2007_18_a0/} }
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/