From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/4871 Path: news.gmane.org!not-for-mail From: Charles Wells Newsgroups: gmane.science.mathematics.categories Subject: Re: sketch theory Date: Fri, 22 May 2009 09:58:11 -0500 Message-ID: Reply-To: Charles Wells NNTP-Posting-Host: lo.gmane.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1243180029 25841 80.91.229.12 (24 May 2009 15:47:09 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 24 May 2009 15:47:09 +0000 (UTC) To: Andre.Rodin@ens.fr, catbb Original-X-From: categories@mta.ca Sun May 24 17:47:02 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 1M8Fuf-0003WC-K4 for gsmc-categories@m.gmane.org; Sun, 24 May 2009 17:47:01 +0200 Original-Received: from Majordom by mailserv.mta.ca with local (Exim 4.61) (envelope-from ) id 1M8FDe-0004fk-3R for categories-list@mta.ca; Sun, 24 May 2009 12:02:34 -0300 Original-Sender: categories@mta.ca Precedence: bulk Xref: news.gmane.org gmane.science.mathematics.categories:4871 Archived-At: I have not kept up with the field very well, but I can recommend these works: Peter Johnstone, *Sketches of an Elephant*, Vol. 2, OUP 2003: the chapter on sketches. (I am in rural Wisconsin at the moment asnd don't have access to the book. If OUP would make its pages available to look at on Amazon I could have told you the exact page.) Bagchi and Wells, *Graph Based Logic and Sketches*, here: http://arxiv.org/PS_cache/arxiv/pdf/0809/0809.3023v1.pdf Also Kinoshita, et al 1997, referred to in GBLS. There might be relevant papers since 1993 mentioned in the Elephant, too. Category people: If you can suggest other papers that should be included, let me know soon, and I will revise the sketches paper to include them (and the ones I mentioned above). Charles Wells On Wed, May 20, 2009 at 4:23 PM, wrote: > Dear Charles and others: > > this > > http://www.cwru.edu/artsci/math/wells/pub/pdf/sketch.pdf > > is your very useful overview of Sketch theory dated back to 1993. I wonder > how > much it omits today: are there significant research programmes in this > field > emerged during last 15 years? What should I look at first of all? Many > thanks > in advance. > > Andrei > >