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- Path: sparky!uunet!decwrl!waikato.ac.nz!comp.vuw.ac.nz!kauri.vuw.ac.nz!harper
- Newsgroups: sci.math
- Subject: Re: exp(pi*sqrt(x))
- Message-ID: <By56G3.BMC@comp.vuw.ac.nz>
- From: harper@kauri.vuw.ac.nz (John Harper)
- Date: Sun, 22 Nov 1992 23:55:15 GMT
- Sender: news@comp.vuw.ac.nz (News Admin)
- References: <1992Nov22.124131.17689@husc15.harvard.edu>
- Organization: Victoria University of Wellington
- Nntp-Posting-Host: kauri.vuw.ac.nz
- Lines: 9
-
- In article <1992Nov22.124131.17689@husc15.harvard.edu> blom@husc15.harvard.edu writes:
- >Aitken once remarked that exp(pi*sqrt(163)) differs from an integer by
- >less than 10^-12. Why and when does exp(pi*sqrt(x)) approximate an integer?
- >
- See Churchhouse, RF & Muir, TE, J. Inst. Maths Applics 5, 318-328, 1969
- "Continued Fractions, Algebraic Numbers and Modular Invariants" for a
- summary of this problem. (Should this be in the FAQ list?)
-
- John Harper Mathematics Dept. Victoria University Wellington New Zealand
-