", 8 April 2009 (UTC)

Thanks for your continued help.  Re:the one thing, I do know the basics of working in GF(pm), thanks to a misspent youth in algebraic coding theory.  I think if you re-read the paragraph, you'll see that nothing's incorrect, although it might be misleading.  I finessed the prime power issue with the proviso ""using more sophisticated definitions,...""  I agree, it might be better to just delete the GF(pm) references.    17:48"