Minimum modulus of a polynomial

From: Tim Norfolk (timsn274_at_aol.com)
Date: 10/08/04 

Date: 08 Oct 2004 00:45:00 GMT

I have a polynomial with positive coefficients (decreasing at least
geometrically, so I know all zeros are outside |z|=1).

Does someone have a reference to what I believe is true, that the minimum
modulus on |z|=1 is at z=-1?

Thanks,

Tim Norfolk

--irascible since 1957

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