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From: jim stasheff <jds@math.upenn.edu>
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Subject: Re: Normal quotients of categories
Date: Tue, 17 Jan 2006 17:30:36 -0500
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[Note from moderator: reference was mentioned before, but is more complete
below]

Don't know if this got through already
as myu mail has been acting up:

There is also Drinfeld's

*math.KT/0210114* [abs <http://arxiv.org/abs/math.KT/0210114>, ps
<http://arxiv.org/ps/math.KT/0210114>, pdf
<http://arxiv.org/pdf/math.KT/0210114>, other
<http://arxiv.org/format/math.KT/0210114>] :
    Title: *DG quotients of DG categories*
    Authors: * Vladimir Drinfeld
    <http://arxiv.org/find/math/1/au:+Drinfeld_V/0/1/0/all/0/1>*
    Comments: 50 pages, Latex; some typographical errors corrected, some
    references added
    Subj-class: K-Theory and Homology; Algebraic Geometry; Algebraic
    Topology; Category Theory

jim

Marco Grandis wrote:
> Following Andree Ehresmann's posting, and again in partial reply to
> Jean Benabou, I would like to add some considerations on the quotient
> of a category modulo a subcategory.
>
> With best regards
>
> Marco Grandis
>