There's an enormous literature on this. See D11 in UPINT. Can send updated copy of section if desired. R. On Mon, 27 Oct 2003, Jon Perry wrote:

I havbe been asked to define the Erdos-Strauss conjecture - a reference to it can be found at MathWorld;

http://mathworld.wolfram.com/Erdos-StrausConjecture.html

This page covers it in greater depth;

http://math.uindy.edu/swett/esc.htm

Jon Perry perry@globalnet.co.uk http://www.users.globalnet.co.uk/~perry/maths/ http://www.users.globalnet.co.uk/~perry/DIVMenu/ BrainBench MVP for HTML and JavaScript http://www.brainbench.com

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