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- Path: sparky!uunet!zaphod.mps.ohio-state.edu!uwm.edu!cs.utexas.edu!gateway
- From: whorf@vnet.ibm.com
- Newsgroups: sci.math
- Subject: Egyptian Fractions
- Date: 15 Oct 1992 07:08:59 -0500
- Organization: UTexas Mail-to-News Gateway
- Lines: 9
- Sender: daemon@cs.utexas.edu
- Message-ID: <9210151208.AA19362@deepthought.cs.utexas.edu>
- NNTP-Posting-Host: cs.utexas.edu
-
- For all integer fractions a/n (GCD = 1) with a fix nominator a > 1 there exist
- (depend. from a) n0 > 0 in such a way that for all n >= n0 the fraction can be
- written in egyptian form as the sum of max. of 3 unit fractions 1/x + 1/y + 1/z
- (egyptian fractions). For a = 2 only 2 fractions are sufficient, for a = 3
- 3 unit fractions are necessary. The first nontrivial case with a = 4 is a
- conjecture by Erdoes/Straus (1950). There is now the general conjecture for
- a >= 4 (Schinzel/Sierpinski). Is this the latest state of the art or are
- there more recent results? What are the newest algorithms for building
- egyptian fractions (perhaps computer programs)?
-