From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/4503 Path: news.gmane.org!not-for-mail From: jim stasheff Newsgroups: gmane.science.mathematics.categories Subject: Re: abutment = aboutement? Date: Wed, 20 Aug 2008 10:45:36 -0400 Message-ID: NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1241019986 13599 80.91.229.2 (29 Apr 2009 15:46:26 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 29 Apr 2009 15:46:26 +0000 (UTC) To: categories Original-X-From: rrosebru@mta.ca Thu Aug 21 09:36:33 2008 -0300 Return-path: Envelope-to: categories-list@mta.ca Delivery-date: Thu, 21 Aug 2008 09:36:33 -0300 Original-Received: from Majordom by mailserv.mta.ca with local (Exim 4.61) (envelope-from ) id 1KW9O3-0006vO-Ha for categories-list@mta.ca; Thu, 21 Aug 2008 09:35:35 -0300 Original-Sender: cat-dist@mta.ca Precedence: bulk X-Keywords: X-UID: 38 Original-Lines: 24 Xref: news.gmane.org gmane.science.mathematics.categories:4503 Archived-At: > An abutment is an engineering construct for butting two things together, > often in the context of bridges, whether over a river or between teeth, > and seems quite unsuitable for this purpose. > > Vaughan I admit I don't recall abutment but abutting has a long history in spec sequence jargon the idea I think was that the spectral sequence runs to/ buts up against the E\infty term or is it to the object of which E\infty is the associated graded? sorry it's been so long... jim > > > >