From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/9733 Path: news.gmane.org!.POSTED!not-for-mail From: Thomas Streicher Newsgroups: gmane.science.mathematics.categories Subject: characterization of flp endofucntors on Set? Date: Mon, 22 Oct 2018 13:14:20 +0200 Message-ID: Reply-To: Thomas Streicher NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" X-Trace: blaine.gmane.org 1540234767 6028 195.159.176.226 (22 Oct 2018 18:59:27 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 22 Oct 2018 18:59:27 +0000 (UTC) To: Original-X-From: majordomo@mlist.mta.ca Mon Oct 22 20:59:23 2018 Return-path: Envelope-to: gsmc-categories@m.gmane.org Original-Received: from [198.164.44.40] (helo=smtp2.mta.ca) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gEfQA-0001Rn-Jg for gsmc-categories@m.gmane.org; Mon, 22 Oct 2018 20:59:22 +0200 Original-Received: from mlist.mta.ca ([138.73.1.63]:57116) by smtp2.mta.ca with esmtp (Exim 4.80) (envelope-from ) id 1gEfR1-0002rq-To; Mon, 22 Oct 2018 16:00:15 -0300 Original-Received: from majordomo by mlist.mta.ca with local (Exim 4.71) (envelope-from ) id 1gEfPn-0000Ez-AB for categories-list@mlist.mta.ca; Mon, 22 Oct 2018 15:58:59 -0300 Content-Disposition: inline Precedence: bulk X-Broken-Reverse-DNS: no host name found for IP address 198.164.44.40 Xref: news.gmane.org gmane.science.mathematics.categories:9733 Archived-At: One easily shows that up to isomorphism the functors from Set to Set which preserves small limits are up to iso of the form (-)^I for some set I. Is there known a similarly elementary characterization of FINITE limit preserving functors from Set to Set? Thomas [For admin and other information see: http://www.mta.ca/~cat-dist/ ]