> < ^ Date: Thu, 10 Jul 2003 08:49:56 +0100 (BST)
> < ^ From: Derek Holt <dfh@maths.warwick.ac.uk >
^ Subject: cyclotomic expressions

Dear GAP Forum

I have an expression in the cyclotomic numbers E(n) which represents a
real number x. Is there any way that I can test whether or not x > 0
(numerically)?

Thanks,
Derek Holt.

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