[next] [prev] [up] Date: Sun, 17 Dec 95 21:11:35 -0500 (EST)
[next] [prev] [up] From: Dan Hoey <hoey@aic.nrl.navy.mil >
~~~ [prev] [up] Subject: Re: Presenting Rubik's Cube

In my article on a presentation of the Rubik's cube group last night,
I omitted a relator from list ((7)):

v es v cs v es^-1 v cs^-1.

This brings the number of relators to 44, with a total length of 605.
Experiments with GAP on some smaller cube-like groups indicate that
with this addition, the presentation is correct.

My apologies for the error.

Dan Hoey                                Posted and e-mailed.

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