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From: vicki@mathcs.emory.edu (Vicki Powers)
Newsgroups: sci.math,comp.theory
Subject: Re: polynomials
Message-ID: <5103@emory.mathcs.emory.edu>
Date: 6 Mar 90 14:44:50 GMT
References: <4499@ucrmath.UCR.EDU> <2335@sunset.MATH.UCLA.EDU>
Followup-To: sci.math
Organization: Emory U. Math/CS Dept.
Lines: 17

In article <2335@sunset.MATH.UCLA.EDU>, dgc@vijayaraghavan.math.ucla.edu (David G. Cantor) writes:

> This is closely related to Hilbert Problem 17, solved by Emil Artin.  He
> showed that a polynomial with real coefficients is non-negative for all

Correction:  Hilbert's 17th problem was solved by Artin and Schreier.  They
developed the theory of ordered fields to do so.  


  Vicki


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