From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/6816 Path: news.gmane.org!not-for-mail From: David Roberts Newsgroups: gmane.science.mathematics.categories Subject: Nomenclature query Date: Mon, 8 Aug 2011 07:59:04 +0930 Message-ID: Reply-To: David Roberts NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Trace: dough.gmane.org 1312789725 11217 80.91.229.12 (8 Aug 2011 07:48:45 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Mon, 8 Aug 2011 07:48:45 +0000 (UTC) To: "categories@mta.ca list" Original-X-From: majordomo@mlist.mta.ca Mon Aug 08 09:48:18 2011 Return-path: Envelope-to: gsmc-categories@m.gmane.org Original-Received: from smtpy.mta.ca ([138.73.1.128]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1QqKZO-0006In-EZ for gsmc-categories@m.gmane.org; Mon, 08 Aug 2011 09:48:18 +0200 Original-Received: from mlist.mta.ca ([138.73.1.63]:35058) by smtpy.mta.ca with esmtp (Exim 4.76) (envelope-from ) id 1QqKWy-0007fD-3O; Mon, 08 Aug 2011 04:45:48 -0300 Original-Received: from majordomo by mlist.mta.ca with local (Exim 4.71) (envelope-from ) id 1QqKWx-0008P3-E0 for categories-list@mlist.mta.ca; Mon, 08 Aug 2011 04:45:47 -0300 Precedence: bulk Xref: news.gmane.org gmane.science.mathematics.categories:6816 Archived-At: Hi all, I have an interesting class of spans I am studying, namely all those whose 'source leg' comes from a particular class J of arrows (this is in a 2-category, in case you are interested). Has this been considered before, and if so, what were they called? If not, I considered using the name 'J-spans', but this doesn't quite sit right with me; without an explanation, this might seem like a span of arrows in J. Any suggestions? Regards, David Roberts [For admin and other information see: http://www.mta.ca/~cat-dist/ ]