From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/4515 Path: news.gmane.org!not-for-mail From: jim stasheff Newsgroups: gmane.science.mathematics.categories Subject: Re: abutment = aboutement? Date: Fri, 22 Aug 2008 09:22:08 -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 1241019993 13658 80.91.229.2 (29 Apr 2009 15:46:33 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 29 Apr 2009 15:46:33 +0000 (UTC) To: Categories list Original-X-From: rrosebru@mta.ca Sat Aug 23 09:38:14 2008 -0300 Return-path: Envelope-to: categories-list@mta.ca Delivery-date: Sat, 23 Aug 2008 09:38:14 -0300 Original-Received: from Majordom by mailserv.mta.ca with local (Exim 4.61) (envelope-from ) id 1KWsL4-0001GI-B7 for categories-list@mta.ca; Sat, 23 Aug 2008 09:35:30 -0300 Original-Sender: cat-dist@mta.ca Precedence: bulk X-Keywords: X-UID: 50 Original-Lines: 42 Xref: news.gmane.org gmane.science.mathematics.categories:4515 Archived-At: Thaks, Vaughan That reraises a question I implied earlier limit for the E_\infty term is appropriate but that is the graded of what I dimly recall the SS abuts to - the ungraded, e.g. H^(E) in the Serre-Leray SS anyone confirm that? jim Pratt wrote: > Meanwhile I count eight occurrences of "abut" and "abutment" in the (36 > kilobyte!) main Wikipedia article on spectral sequences (there are a > dozen separate much shorter articles on particular spectral sequences, > along with a 15 kB article on derived categories). > > On the other hand the algebra and geometry articles of the 1987 > Britannica Macropaedia both prefer the term "limit" for what a spectral > sequence converges to, in respectively Peter Hilton's contribution > "Other aspects of homological algebra" to the algebra article, and the > geometry article's section on algebraic topology. > > Since Wikipedia seems to be trumping Britannica these days, and no one > here has objected to established usage in mathematics trumping > linguistic suitability, the precise distance of "abutment" from the > optimal English cognate for "aboutissement" would appear to be academic, > an epithet reflecting the outside world's perception that raising moot > points is in our job description. > > Vaughan > >>> Thanks to Eduardo D and Vaughan P and Michel H for their misgivings, >>> which encouraged me to compose the above, despite the assurances >>> of Jim S that the 'abut*' usage is by now well entrenched. >>> >>> Fred > >