From: jim stasheff <jds@math.upenn.edu>
To: categories <categories@mta.ca>
Subject: Re: abutment = aboutement?
Date: Wed, 20 Aug 2008 10:45:36 -0400 [thread overview]
Message-ID: <E1KW9O3-0006vO-Ha@mailserv.mta.ca> (raw)
> 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
>
>
>
>
next reply other threads:[~2008-08-20 14:45 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-20 14:45 jim stasheff [this message]
-- strict thread matches above, loose matches on Subject: below --
2008-08-22 16:46 Eduardo J. Dubuc
2008-08-22 13:30 wlawvere
2008-08-22 13:22 jim stasheff
2008-08-22 4:04 Fred E.J. Linton
2008-08-21 20:23 Robert L Knighten
2008-08-21 19:18 Vaughan Pratt
2008-08-21 14:30 Nimish Shah
2008-08-21 14:07 Tim Porter
2008-08-21 6:15 Eduardo J. Dubuc
2008-08-20 15:33 jim stasheff
2008-08-20 13:13 Michael Barr
2008-08-20 5:12 edubuc
2008-08-19 18:06 Vaughan Pratt
2008-08-19 6:28 mhebert
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