[r-t] Cayley graphs of doubles extents

Philip Saddleton pabs at cantab.net
Fri Nov 12 18:49:25 UTC 2004

Alexander Holroyd <holroyd at math.ubc.ca> wrote at 16:56:11 on Thu, 11 Nov 
>Each vertex (point where several lines meet) represents a row on 5 
>bells. Two vertices are connected by an edge (line) when one can get 
>from one to the other by a legal change.  The colour of the edge 
>indicates the place notation.  Single changes are shown in one picture, 
>double changes (in the in-course extent) in another.

Can you put the vertices for the in-course extent on a truncated 
icosahedron to show the symmetry? And display just the edges that 
correspond to a particular touch? I'd like to see Stedman like this.


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