From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/8080 Path: news.gmane.org!not-for-mail From: Till Mossakowski Newsgroups: gmane.science.mathematics.categories Subject: Re: Question on factorization systems Date: Mon, 21 Apr 2014 08:23:22 +0200 Message-ID: References: Reply-To: Till Mossakowski NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Trace: ger.gmane.org 1398082553 27720 80.91.229.3 (21 Apr 2014 12:15:53 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 21 Apr 2014 12:15:53 +0000 (UTC) To: Michael Barr , categories@mta.ca Original-X-From: majordomo@mlist.mta.ca Mon Apr 21 14:15:48 2014 Return-path: Envelope-to: gsmc-categories@m.gmane.org Original-Received: from smtp3.mta.ca ([138.73.1.186]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1WcD8W-0005H7-6v for gsmc-categories@m.gmane.org; Mon, 21 Apr 2014 14:15:48 +0200 Original-Received: from mlist.mta.ca ([138.73.1.63]:38721) by smtp3.mta.ca with esmtp (Exim 4.80) (envelope-from ) id 1WcD7g-0000Cs-1J; Mon, 21 Apr 2014 09:14:56 -0300 Original-Received: from majordomo by mlist.mta.ca with local (Exim 4.71) (envelope-from ) id 1WcD7e-0001bc-Gj for categories-list@mlist.mta.ca; Mon, 21 Apr 2014 09:14:54 -0300 In-Reply-To: Precedence: bulk Xref: news.gmane.org gmane.science.mathematics.categories:8080 Archived-At: The general non-strict case is covered in some detail in chapter 4 of Ad??mek, Herrlich, Strecker: Abstract and Concrete Categories - The Joy of Cats katmat.math.uni-bremen.de/acc/acc.pdf??? Best, Till Am 20.04.2014 14:24, schrieb Michael Barr: > First let me explain that our math dept email system has been down for ten > days and there is no indication when it will be back, although our sysop > has been working on it day and night. I will circulate an announcement > when it is running again. Meantime, use this address. > > Is there one place that develops all the properties of factorization > systems? We are especially interested in the non-strict case, that is in > which the right factor needn't be epic, nor the left factor be monic, but > the unique diagonal fill-in condition holds. > > Michael > [For admin and other information see: http://www.mta.ca/~cat-dist/ ]