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Dec 25, 2015 at 15:41 history edited David White CC BY-SA 3.0
fixed typos since it was on the front page anyway
Dec 25, 2015 at 14:05 history edited user9072
edited tags; edited tags
Apr 22, 2013 at 19:02 comment added Gerrit Begher Hm... wether it is the lax- or oplax-colimit depends on how you define the grothendieck construction: you chose the vertical part of a morphism to be either $f_*x\to x'$ or $x' \to f_*x$; both work equally and we have $\int'_C F = \int_C op \circ F$
Feb 25, 2013 at 18:21 comment added Omar Antolín-Camarena The Grothendieck construction is the "oplax-colimit", to get the 2-colimit, you must invert the Cartesian morphisms.
Sep 16, 2010 at 17:05 history edited Gerrit Begher CC BY-SA 2.5
added 93 characters in body; added 60 characters in body; edited body
Sep 16, 2010 at 16:53 history asked Gerrit Begher CC BY-SA 2.5