From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/9095 Path: news.gmane.org!.POSTED!not-for-mail From: "Vasili I. Galchin" Newsgroups: gmane.science.mathematics.categories Subject: motivation Date: Fri, 3 Feb 2017 19:07:42 -0600 Message-ID: Reply-To: "Vasili I. Galchin" NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Trace: blaine.gmane.org 1486254456 9902 195.159.176.226 (5 Feb 2017 00:27:36 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sun, 5 Feb 2017 00:27:36 +0000 (UTC) To: Categories mailing list Original-X-From: majordomo@mlist.mta.ca Sun Feb 05 01:27:31 2017 Return-path: Envelope-to: gsmc-categories@m.gmane.org Original-Received: from smtp2.mta.ca ([198.164.44.40]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1caAfy-0002IR-29 for gsmc-categories@m.gmane.org; Sun, 05 Feb 2017 01:27:30 +0100 Original-Received: from mlist.mta.ca ([138.73.1.63]:32910) by smtp2.mta.ca with esmtp (Exim 4.80) (envelope-from ) id 1caAfP-0000c8-II; Sat, 04 Feb 2017 20:26:55 -0400 Original-Received: from majordomo by mlist.mta.ca with local (Exim 4.71) (envelope-from ) id 1caAew-0007TU-3L for categories-list@mlist.mta.ca; Sat, 04 Feb 2017 20:26:26 -0400 Precedence: bulk Xref: news.gmane.org gmane.science.mathematics.categories:9095 Archived-At: Hello, What and when was the motivation of the lifting concept? Thank you, Vasily [For admin and other information see: http://www.mta.ca/~cat-dist/ ]