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- From: yeomans@austin.onu.edu (Charles Yeomans)
- Subject: Re: Frankly,my dear......was: Fermat's Last Theorem
- Sender: usenet@austin.onu.edu (Network News owner)
- Message-ID: <1993Jan8.162334.31486@austin.onu.edu>
- Date: Fri, 8 Jan 1993 16:23:34 GMT
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- References: <1ifdq3INNblv@zaphod.mps.ohio-state.edu> <1993Jan7.021308.10566@nuscc.nus.sg> <1993Jan7.171719.28657@infodev.cam.ac.uk>
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- In article <1993Jan7.171719.28657@infodev.cam.ac.uk>, gjm11@cus.cam.ac.uk (G.J. McCaughan) writes:
- > [stuff omitted]
-
- > * Work on FLT was one of the big motivators for the theory of ideals. I don't
- > call that trivial, boring, or even "recreational".
- >
- It's not so clear that this is historically accurate. Kummer was
- motivated to introduce ideal numbers - out of which came the theory of
- ideals, etc. - as a consequence of his work on higher reciprocity laws-
- a subject which was intensely studied in the 19th century, is largely
- ignored today because these laws are now a part of class field theory.
- I believe it was while studying reciprocity that Kummer was forced to
- consider problems of nonunique factorization. On the other hand, it
- was Lame who proposed the idea of factoring the Fermat equation over a
- cyclotomic field, but who didn't see that there was a problem with
- unique factorization.
-
- Charles Yeomans
-
-
-