16 Jun
2016
16 Jun
'16
4 p.m.
General quotient categories have been studied by Charles Ehresmann in the 60's. In particular in his book "Cat?gories et Structures" (Dunod 1965), Chapter III, which takes back results from "Cohomologie ? valeurs dans une cat?gorie dominee" (1964) and other articles which are reprinted in "Charles Ehresmann: Oeuvres completes et commentees" Part III-2, freely downloadable from http://ehres.pagesperso-orange.fr Best Andree [For admin and other information see: http://www.mta.ca/~cat-dist/ ]