From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/4467 Path: news.gmane.org!not-for-mail From: "Prof. Peter Johnstone" Newsgroups: gmane.science.mathematics.categories Subject: Re: Paper on slice stability in Locale Theory Date: Wed, 6 Aug 2008 16:00:56 +0100 (BST) Message-ID: NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Trace: ger.gmane.org 1241019964 13436 80.91.229.2 (29 Apr 2009 15:46:04 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 29 Apr 2009 15:46:04 +0000 (UTC) To: categories@mta.ca Original-X-From: rrosebru@mta.ca Wed Aug 6 15:48:23 2008 -0300 Return-path: Envelope-to: categories-list@mta.ca Delivery-date: Wed, 06 Aug 2008 15:48:23 -0300 Original-Received: from Majordom by mailserv.mta.ca with local (Exim 4.61) (envelope-from ) id 1KQo25-0000si-8n for categories-list@mta.ca; Wed, 06 Aug 2008 15:46:49 -0300 Original-Sender: cat-dist@mta.ca Precedence: bulk X-Keywords: X-UID: 2 Original-Lines: 14 Xref: news.gmane.org gmane.science.mathematics.categories:4467 Archived-At: On Thu, 31 Jul 2008, Townsend, Christopher wrote: > Feedback is welcome. For example, I have always attributed the result > Loc/Y =3D Loc_Sh(Y) to Joyal and Tierney. Am I right?=20 > I think it predates the Joyal--Tierney work by a couple of years. It's (more or less) present in the long Fourman--Scott paper on sheaves and logic in SLN 753 (the Proceedings of the 1977 Durham symposium), but they don't claim originality for it. Peter Johnstone