From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/7133 Path: news.gmane.org!not-for-mail From: rlk@knighten.org Newsgroups: gmane.science.mathematics.categories Subject: Re: Name for not-quite-additive categories Date: Sat, 7 Jan 2012 00:04:17 -0800 Message-ID: References: Reply-To: rlk@knighten.org NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Trace: dough.gmane.org 1325945698 27615 80.91.229.12 (7 Jan 2012 14:14:58 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Sat, 7 Jan 2012 14:14:58 +0000 (UTC) Cc: Categories list To: Michael Barr Original-X-From: majordomo@mlist.mta.ca Sat Jan 07 15:14:54 2012 Return-path: Envelope-to: gsmc-categories@m.gmane.org Original-Received: from smtpx.mta.ca ([138.73.1.4]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1RjX2r-0005zu-N2 for gsmc-categories@m.gmane.org; Sat, 07 Jan 2012 15:14:53 +0100 Original-Received: from mlist.mta.ca ([138.73.1.63]:40754) by smtpx.mta.ca with esmtp (Exim 4.77) (envelope-from ) id 1RjX27-0002sQ-0Q; Sat, 07 Jan 2012 10:14:07 -0400 Original-Received: from majordomo by mlist.mta.ca with local (Exim 4.71) (envelope-from ) id 1RjX26-00077b-Sh for categories-list@mlist.mta.ca; Sat, 07 Jan 2012 10:14:06 -0400 In-Reply-To: Precedence: bulk Xref: news.gmane.org gmane.science.mathematics.categories:7133 Archived-At: Michael Barr writes: > Has anyone settled on a term to describe categories (such as commutative > monoids) in which finite sums and products coincide but are not quite > additive? I guess they are commutative monoid enriched. > > Michael I've been writing of direct sums when sums and products coincide and then of categories with direct sums. -- Bob [For admin and other information see: http://www.mta.ca/~cat-dist/ ]