[r-t] Principles

Alexander Holroyd holroyd at math.ubc.ca
Wed Jul 6 08:37:07 UTC 2011

On Wed, 6 Jul 2011, Mark Davies wrote:

> Yes, in particular, whilst it seems self-evident that all such examples must 
> consist of sets of n bells, where each set follows the same path, and the n 
> bells within each set follow the same path offset from each other,

By definition this is true for n=1 and n=stage, but I'm guessing that's 
not what you mean.  I don't at present see why it must be true for any 
other n.

are there 
> any examples where the the bells within a set are not in some sense 
> contiguous, i.e. the structure is not reducible to a principle on M/n bells?

I don't understand this - what is the reduction you are talking about?

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