From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/3732 Path: news.gmane.org!not-for-mail From: David Roberts Newsgroups: gmane.science.mathematics.categories Subject: enriched in double categories Date: Fri, 20 Apr 2007 17:03:02 +0930 Message-ID: NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 (Apple Message framework v752.2) Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1241019489 10057 80.91.229.2 (29 Apr 2009 15:38:09 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 29 Apr 2009 15:38:09 +0000 (UTC) To: categories List Original-X-From: rrosebru@mta.ca Fri Apr 20 14:39:44 2007 -0300 Return-path: Envelope-to: categories-list@mta.ca Delivery-date: Fri, 20 Apr 2007 14:39:44 -0300 Original-Received: from Majordom by mailserv.mta.ca with local (Exim 4.61) (envelope-from ) id 1Hewun-0003j5-Uj for categories-list@mta.ca; Fri, 20 Apr 2007 14:28:58 -0300 Original-Sender: cat-dist@mta.ca Precedence: bulk X-Keywords: X-UID: 19 Original-Lines: 22 Xref: news.gmane.org gmane.science.mathematics.categories:3732 Archived-At: Dear all, The category of double categories DCat is monoidal, as shown by Bastiani-Ehresmann (cahiers vol 15 no. 3). Has work has been done on DCat-categories? For example, if we have two distinct notions of 2-arrow between 1- arrows, what 1-arrows can we call equivalent? Yours, ------------------------------------------------------------------------ -- David Roberts School of Mathematical Sciences University of Adelaide SA 5005 ------------------------------------------------------------------------ -- droberts@maths.adelaide.edu.au www.maths.adelaide.edu.au/~droberts www.trf.org.au