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From: "Prof. Peter Johnstone" <P.T.Johnstone@dpmms.cam.ac.uk>
To: Michael Barr <barr@math.mcgill.ca>
Cc: Categories list <categories@mta.ca>
Subject: Re: Sheaves of T-algebras
Date: Mon, 24 Sep 2012 10:30:24 +0100 (BST)	[thread overview]
Message-ID: <E1TG6uH-00068t-H7@mlist.mta.ca> (raw)
In-Reply-To: <E1TFryQ-0002fP-UI@mlist.mta.ca>

Try D1.2.13 and D1.2.14 in the Elephant. -- Peter Johnstone

On Sun, 23 Sep 2012, Michael Barr wrote:

> It must be known that if T is a left exact theory (same as nearly
> equational theory) and you make a sheaf of T-algebras (meaning the stalks
> are T-algebras, then the set of global sections is also a T-algebra.  Can
> anyone give me reference?
>
> Michael
>
>


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  reply	other threads:[~2012-09-24  9:30 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-23 18:26 Michael Barr
2012-09-24  9:30 ` Prof. Peter Johnstone [this message]
2012-09-24  9:44 ` Steve Vickers
     [not found] ` <50602B71.9010008@cs.bham.ac.uk>
2012-09-24 11:38   ` Michael Barr
2012-09-25  9:42     ` Prof. Peter Johnstone
2012-09-25  9:43     ` Steve Vickers
2012-10-02 16:17 Donovan Van Osdol

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