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Sep 5, 2021 at 16:00 comment added gen The linked note implies that for a univariate polynomial to have all coefficients non-negative it must not have a positive real root. Can this statement be generalized to multivariate polynomials?
Dec 1, 2012 at 0:38 history edited Miroslav Korbelar CC BY-SA 3.0
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Dec 1, 2012 at 0:33 history answered Miroslav Korbelar CC BY-SA 3.0