From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/6622 Path: news.gmane.org!not-for-mail From: David Roberts Newsgroups: gmane.science.mathematics.categories Subject: Re: Constitutive Structures Date: Mon, 18 Apr 2011 13:19:34 +0930 Message-ID: References: Reply-To: David Roberts NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 X-Trace: dough.gmane.org 1303174822 2759 80.91.229.12 (19 Apr 2011 01:00:22 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Tue, 19 Apr 2011 01:00:22 +0000 (UTC) To: categories Original-X-From: majordomo@mlist.mta.ca Tue Apr 19 03:00:18 2011 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 1QBzId-00015J-7p for gsmc-categories@m.gmane.org; Tue, 19 Apr 2011 03:00:15 +0200 Original-Received: from mlist.mta.ca ([138.73.1.63]:53854) by smtpx.mta.ca with esmtp (Exim 4.71) (envelope-from ) id 1QBzIY-00020G-QF; Mon, 18 Apr 2011 22:00:10 -0300 Original-Received: from majordomo by mlist.mta.ca with local (Exim 4.71) (envelope-from ) id 1QBzIO-0000Et-Py for categories-list@mlist.mta.ca; Mon, 18 Apr 2011 22:00:01 -0300 In-Reply-To: Precedence: bulk Xref: news.gmane.org gmane.science.mathematics.categories:6622 Archived-At: Hi all, As well as the real numbers, one could consider also the example of the free \lambda-ring, the ring of symmetric polynomials on a countable number of indeterminates. This has a large number of 'faces' that present themselves in many different ways. David [For admin and other information see: http://www.mta.ca/~cat-dist/ ]