[r-t] Delta-based transposition representation

Alan Burlison alan.burlison at gmail.com
Fri Jun 10 08:46:09 UTC 2016

On 10/06/2016 07:43, Glenn Taylor wrote:

> I don't know what you mean by "blue line numbers". Is this somehow related
> to Seagar's Blue Line Proof process, or is it to do with converting rows to
> their index numbers for proof purposes? Or neither?

Like a blue line diagram you'd get from somewhere like 
http://methods.ringing.org but without any of the lines being drawn, 
just a grid of bell numbers - I wasn't quite sure what to call it. The 
aim was just to help me understand how to expand place notation rather 
than produce anything 'proper'.

Alan Burlison

More information about the ringing-theory mailing list