From JBRYAN@pstcc.cc.tn.us Tue Feb 6 12:24:07 1996 Return-Path: Received: from PSTCC4.PSTCC.CC.TN.US by life.ai.mit.edu (4.1/AI-4.10) for /com/archive/cube-lovers id AA02724; Tue, 6 Feb 96 12:24:07 EST Resent-From: JBRYAN@pstcc.cc.tn.us Resent-Message-Id: <9602061724.AA02724@life.ai.mit.edu> Received: from pstcc.cc.tn.us by pstcc.cc.tn.us (PMDF V5.0-3 #11457) id <01I0W5NR906Y8WWAHI@pstcc.cc.tn.us>; Tue, 06 Feb 1996 12:25:57 -0400 (EDT) Resent-Date: Tue, 06 Feb 1996 12:25:57 -0400 (EDT) Date: Tue, 06 Feb 1996 12:25:56 -0400 (EDT) From: Jerry Bryan Subject: Re: Group/graph status? In-Reply-To: <199602052319.AA10033@leibniz.cs.arizona.edu> Sender: JBRYAN@pstcc.cc.tn.us To: Richard Schroeppel Cc: cube-lovers@ai.mit.edu Message-Id: Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Content-Transfer-Encoding: 7BIT On Mon, 5 Feb 1996, Richard Schroeppel wrote: > Has anyone tabulated the number of positions are reachable (from the > initial cube) in one move, two moves, etc.? Is the diameter of the > graph known? In the quarter turn metric, the number of positions has been tabulated out to eleven moves from Start. The diameter of the graph is known to be at least 24 quarter turns because there is one position whose length has been verified to be 24q. = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = Robert G. Bryan (Jerry Bryan) jbryan@pstcc.cc.tn.us Pellissippi State (423) 539-7127 10915 Hardin Valley Road (423) 694-6435 (fax) P.O. Box 22990 Knoxville, TN 37933-0990