From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/7375 Path: news.gmane.org!not-for-mail From: Ondrej Rypacek Newsgroups: gmane.science.mathematics.categories Subject: Re: Re: Alternative closed structure on Cat Date: Fri, 6 Jul 2012 15:55:09 +0100 Message-ID: References: <1341579630.38166.YahooMailNeo@web110616.mail.gq1.yahoo.com> Reply-To: Ondrej Rypacek NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 (1.0) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable X-Trace: dough.gmane.org 1341675675 25158 80.91.229.3 (7 Jul 2012 15:41:15 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Sat, 7 Jul 2012 15:41:15 +0000 (UTC) Cc: Categories List To: Jeff Egger Original-X-From: majordomo@mlist.mta.ca Sat Jul 07 17:41:13 2012 Return-path: Envelope-to: gsmc-categories@m.gmane.org Original-Received: from smtpx.mta.ca ([138.73.1.80]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1SnX8C-0003sR-IJ for gsmc-categories@m.gmane.org; Sat, 07 Jul 2012 17:41:12 +0200 Original-Received: from mlist.mta.ca ([138.73.1.63]:54650) by smtpx.mta.ca with esmtp (Exim 4.77) (envelope-from ) id 1SnX7o-0003Lv-Ri; Sat, 07 Jul 2012 12:40:48 -0300 Original-Received: from majordomo by mlist.mta.ca with local (Exim 4.71) (envelope-from ) id 1SnX7p-0000bM-1D for categories-list@mlist.mta.ca; Sat, 07 Jul 2012 12:40:49 -0300 In-Reply-To: <1341579630.38166.YahooMailNeo@web110616.mail.gq1.yahoo.com> Precedence: bulk Xref: news.gmane.org gmane.science.mathematics.categories:7375 Archived-At: Shoot, I overlooked that.=20 Thanks, Ondrej On 6 Jul 2012, at 14:00, Jeff Egger wrote: >> Before I tuck in, am I likely to find a definition in terms of a colimit?= =20 >=20 >=20 > Sure. It's the pushout of C_0xD <--- C_0xD_0 ---> CxD_0, where C_0 denote= s=20 > the discrete category with the same class of objects as C. Or did you hav= e=20 > something else in mind? Mark Weber's paper is likely contain a much more=20= > profound answer to this question. >=20 > Cheers, > Jeff. [For admin and other information see: http://www.mta.ca/~cat-dist/ ]