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@inproceedings{Schweighofer2005CertificatesFN, title={Certificates for Nonnegativity of Polynomials with Zeros on Compact Semialgebraic Sets}, author={Markus Schweighofer}, year={2005} }

- Published 2005

We prove a criterion for an element of a commutative ring A to be contained in an archimedean semiring T ⊂ A. It can be used to investigate the question whether nonnegativity of a polynomial on a compact semialgebraic set can be certified in a certain way. In case of (strict) positivity instead of nonnegativity, our criterion simplifies to classical results of Stone, Kadison, Krivine, Handelman, Schmüdgen et al. As an application of our result, we give a new proof of the following result of… CONTINUE READING

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