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Comma Categories

There are several special cases of the comma category construction. First, taking A = 1, B = C, G = id , and taking F 1 —> G to be the functor mapping the unique object of 1 to some given object x G 0 C) gives the category [x [ C) described in Definition 4.35. [Pg.75]

SGAl VIII,les morphiernes fid lement plats et quasi-compacts sont de descente effective pour la categorie fibr e des filches d immersion feim e), Soit Y = YnZ., et soit P. (Sch) / 0— (Ens) le foncteur defini en termes de (2.,Y.) comma P en termes de (Z,Y). C est un sous-foncteur du foncteur... [Pg.21]

See other pages where Comma Categories is mentioned: [Pg.74]    [Pg.75]    [Pg.75]    [Pg.74]    [Pg.75]    [Pg.75]    [Pg.501]    [Pg.222]    [Pg.39]    [Pg.205]    [Pg.138]    [Pg.258]    [Pg.1]    [Pg.13]    [Pg.167]    [Pg.258]   
See also in sourсe #XX -- [ Pg.75 ]



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