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Tue Oct 30 07:32:21 CET 2007

finite fields

http://www.lshift.net/blog/2006/11/29/gf232-5

in 8 bit, the biggest prime is 2^8-5 = 251

i'm not sure what this is useful for though.. some error checking /
correcting stuff? the article talkes about "a" finite field, as if it
mostly doesnt matter which..

ah.. the wikipedia article on coding theory mentions subspaces of
vector spaces over finite fields. a naive way would be to use i.e. a
3-space in the 4-space over GF(251).

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