[r-t] group theory questions

[H C Pumphrey]

Matthew Frye wrote:
> You may have to elaborate on exactly what you mean by an involution, I've
> heard the term before, but not sure of the precise meaning.

To step back a little from the original question ...

I know a bit about ringing and a bit about group theory. But I have little 
idea about how group theory applies to ringing. Does anyone have any 
recommendations for any books/papers/on-line resources that I could go and 
read in order to clue myself up?

Hugh


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