Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: notesfiles - hp 1.2 08/01/83; site hp-pcd.UUCP Path: utzoo!watmath!clyde!burl!ulysses!mhuxl!ihnp4!zehntel!hplabs!hp-pcd!joseph From: joseph@hp-pcd.UUCP (joseph) Newsgroups: net.math Subject: Re: coloring a 3-dimensional map Message-ID: <13900001@hp-pcd.UUCP> Date: Tue, 14-Aug-84 18:52:00 EDT Article-I.D.: hp-pcd.13900001 Posted: Tue Aug 14 18:52:00 1984 Date-Received: Mon, 20-Aug-84 01:23:37 EDT References: <149@ihnet.UUCP> Organization: Hewlett-Packard - Corvallis, OR Lines: 8 Nf-ID: #R:ihnet:-14900:hpcvlo:13900001:000:335 Nf-From: hpcvlo!joseph Aug 16 14:52:00 1984 --------------------------------------------------------------------------- That only 4 colors are needed for the 2-dimensional map has not been acceptably proved. A computer demonstration has been proposed, but the four color conjecture remains open. ----------------------------------------------------------------------------