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From: John Baez <baez@math.ucr.edu>
Cc: Categories list <categories@mta.ca>
Subject: Re: Another question on Grothendieck
Date: Tue, 31 Aug 2010 13:50:06 +0800	[thread overview]
Message-ID: <E1Oqanm-0004q0-60@mlist.mta.ca> (raw)
In-Reply-To: <E1Oq7DH-0001gU-Pk@mlist.mta.ca>

Hi -

Grothendieck introduces, on the top of p. 209 of the Tohoku paper, the
> notation U_{i_0..i_p} without explanation and uses it again over the next
> couple pages.  Here {U_i} is an open cover of a space X and I have reason
> to believe that this stands for the intersection of U_{i_j}.  Can anyone
> confirm this?
>

That's certainly what everyone uses this notation for nowadays, so it sounds
like a very good guess.

Best,
jb


[For admin and other information see: http://www.mta.ca/~cat-dist/ ]


      parent reply	other threads:[~2010-08-31  5:50 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-30 14:18 Michael Barr
2010-08-30 18:04 ` Andrew Stacey
     [not found]   ` <E1Or9Si-00031p-Iw@mlist.mta.ca>
2010-09-03  6:46     ` Vaughan Pratt
     [not found]       ` <4C819AD7.8090403@dm.uba.ar>
2010-09-04  7:04         ` Vaughan Pratt
     [not found]           ` <4C82A02D.7090703@dm.uba.ar>
2010-09-05 23:23             ` Vaughan Pratt
     [not found]       ` <E1Ort7T-00087z-SA@mlist.mta.ca>
2010-09-05 19:51         ` Steven Vickers
2010-09-06 17:53           ` Eduardo J. Dubuc
2010-08-31  5:50 ` John Baez [this message]

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