From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/4855 Path: news.gmane.org!not-for-mail From: Mike Stay Newsgroups: gmane.science.mathematics.categories Subject: Prof Date: Wed, 20 May 2009 15:26:45 -0700 Message-ID: Reply-To: Mike Stay NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1242925512 15096 80.91.229.12 (21 May 2009 17:05:12 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 21 May 2009 17:05:12 +0000 (UTC) To: categories Original-X-From: categories@mta.ca Thu May 21 19:05:00 2009 Return-path: Envelope-to: gsmc-categories@m.gmane.org Original-Received: from mailserv.mta.ca ([138.73.1.1]) by lo.gmane.org with esmtp (Exim 4.50) id 1M7BhU-0001lD-AS for gsmc-categories@m.gmane.org; Thu, 21 May 2009 19:05:00 +0200 Original-Received: from Majordom by mailserv.mta.ca with local (Exim 4.61) (envelope-from ) id 1M7AvP-0003tz-6Q for categories-list@mta.ca; Thu, 21 May 2009 13:15:19 -0300 Original-Sender: categories@mta.ca Precedence: bulk Xref: news.gmane.org gmane.science.mathematics.categories:4855 Archived-At: The bicategory of (small categories, profunctors, and natural transformations), should be equivalent to the 2-category of (presheaf categories, colimit-preserving functors, and natural transformations). Has someone proved this? If so, where? Thanks! -- Mike Stay - metaweta@gmail.com http://math.ucr.edu/~mike http://reperiendi.wordpress.com