From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/5175 Path: news.gmane.org!not-for-mail From: jim stasheff Newsgroups: gmane.science.mathematics.categories Subject: infty-categories Date: Thu, 24 Sep 2009 20:33:17 -0400 Message-ID: Reply-To: jim stasheff NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1253924298 4375 80.91.229.12 (26 Sep 2009 00:18:18 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 26 Sep 2009 00:18:18 +0000 (UTC) To: Categories list , algtop Original-X-From: categories@mta.ca Sat Sep 26 02:18:12 2009 Return-path: Envelope-to: gsmc-categories@m.gmane.org Original-Received: from mailserv.mta.ca ([138.73.1.1]) by lo.gmane.org with esmtp (Exim 4.50) id 1MrKzL-0004GT-Ji for gsmc-categories@m.gmane.org; Sat, 26 Sep 2009 02:18:11 +0200 Original-Received: from Majordom by mailserv.mta.ca with local (Exim 4.61) (envelope-from ) id 1MrKWV-0005N9-7W for categories-list@mta.ca; Fri, 25 Sep 2009 20:48:23 -0300 Original-Sender: categories@mta.ca Precedence: bulk Xref: news.gmane.org gmane.science.mathematics.categories:5175 Archived-At: Working witht the defintion and description of infty-category as in Lurie's What is a... in the Notices AMS with a weak/pseudo composition defined only up to homopy from filling a 2-horn I can see that 3-horns will give homotopy associativity what sort of coherence up to homotopy do the k-horns for k > 3 imply? reference? thanks jim [For admin and other information see: http://www.mta.ca/~cat-dist/ ]