From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/6075 Path: news.gmane.org!not-for-mail From: David Roberts Newsgroups: gmane.science.mathematics.categories Subject: Re: additive 2-categories and related structures? Date: Mon, 30 Aug 2010 10:48:41 +0930 Message-ID: References: Reply-To: David Roberts NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: dough.gmane.org 1283185609 16104 80.91.229.12 (30 Aug 2010 16:26:49 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Mon, 30 Aug 2010 16:26:49 +0000 (UTC) Cc: "categories@mta.ca" To: Ronnie Brown Original-X-From: majordomo@mlist.mta.ca Mon Aug 30 18:26:45 2010 Return-path: Envelope-to: gsmc-categories@m.gmane.org Original-Received: from smtpx.mta.ca ([138.73.1.138]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Oq7Bz-00065j-MI for gsmc-categories@m.gmane.org; Mon, 30 Aug 2010 18:26:43 +0200 Original-Received: from mlist.mta.ca ([138.73.1.63]:56977) by smtpx.mta.ca with esmtp (Exim 4.71) (envelope-from ) id 1Oq7AO-0006oS-3E; Mon, 30 Aug 2010 13:25:04 -0300 Original-Received: from majordomo by mlist.mta.ca with local (Exim 4.71) (envelope-from ) id 1Oq7AL-0001ba-0C for categories-list@mlist.mta.ca; Mon, 30 Aug 2010 13:25:01 -0300 In-Reply-To: Precedence: bulk Xref: news.gmane.org gmane.science.mathematics.categories:6075 Archived-At: Hi Ronnie, There is the work of Matthieu Dupont, see his page http://breckes.org/dom-en.html His PhD thesis is on abelian categories in dimension 2. David On 29 August 2010 19:31, Ronnie Brown wro= te: > =A0I would be grateful for information on published or available work in > this area. > > I am thinking of an additive category as a ring with several objects, as > in Mitchell's well known paper. So in a sense am looking at 2-rings. > > Thanks in anticipation. > > Ronnie Brown > [For admin and other information see: http://www.mta.ca/~cat-dist/ ]