From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/1148 Path: news.gmane.org!not-for-mail From: Walter Tholen Newsgroups: gmane.science.mathematics.categories Subject: HHA article available Date: Thu, 24 Jun 1999 08:53:40 -0500 Message-ID: References: <199906241108.OAA06392@rmi-sun.rmi.acnet.ge> NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: TEXT/PLAIN; CHARSET=ISO-8859-1 X-Trace: ger.gmane.org 1241017598 29702 80.91.229.2 (29 Apr 2009 15:06:38 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 29 Apr 2009 15:06:38 +0000 (UTC) To: categories@mta.ca Original-X-From: cat-dist Thu Jun 24 16:15:03 1999 Original-Received: (from Majordom@localhost) by mailserv.mta.ca (8.9.3/8.9.3) id OAA21498 for categories-list; Thu, 24 Jun 1999 14:48:51 -0300 (ADT) X-Authentication-Warning: mailserv.mta.ca: Majordom set sender to cat-dist@mta.ca using -f X-Mailer: Z-Mail Pro 6.2, NetManage Inc. [ZM62_16E] X-Priority: 3 (Normal) Original-Sender: cat-dist@mta.ca Precedence: bulk Original-Lines: 25 Xref: news.gmane.org gmane.science.mathematics.categories:1148 Archived-At: The following paper is now available: A Categorical Guide to Separation, Compactness and Perfectness Walter Tholen Based on a rather arbitrary class of morphisms in a category, which play the role of "closed maps", we present a general approach to separation and compactness, both at the object and the morphism levels. It covers essential parts of the classical topological theory, generalizes various previous categorical treatments of the theme, and allows for a number of less expected applications outside topology. Homology, Homotopy and Applications, Vol. 1, 1999, No. 6, pp 147-161 http://www.rmi.acnet.ge/hha/volumes/1999/n6/n6.dvi http://www.rmi.acnet.ge/hha/volumes/1999/n6/n6.ps http://www.rmi.acnet.ge/hha/volumes/1999/n6/n6.dvi.gz http://www.rmi.acnet.ge/hha/volumes/1999/n6/n6.ps.gz ftp://ftp.rmi.acnet.ge/pub/hha/volumes/1999/n6/n6.dvi ftp://ftp.rmi.acnet.ge/pub/hha/volumes/1999/n6/n6.ps ftp://ftp.rmi.acnet.ge/pub/hha/volumes/1999/n6/n6.dvi.gz ftp://ftp.rmi.acnet.ge/pub/hha/volumes/1999/n6/n6.ps.gz