Thanks for the response, Bruce! I have this paper too, but I got
lost (e.g. what is a "reticulate group"??) so I went back to an earlier
paper which Dave also sent me, which defines some of the concepts
more clearly.
Prost,
Martin
------
"Cry to it, nuncle. as the cockney did to the eels when she put
'em i' the paste alive; she knapped 'em o' the coxcombs with a
stick, and cried 'Down wantons, down!'"
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