### Impacto

Bradley Delso, Margarita
(1990)
*An elementary based sufficient condition for sums of 2mth powers of polynomials over non-archimedean real closed fields.*
Journal of Pure and Applied Algebra , 63
(3).
pp. 219-224.
ISSN 0022-4049

Official URL: http://www.sciencedirect.com/science/article/pii/002240499090067R

## Abstract

Using some model-theoretic arguments applied to the theory of real valuations, we obtain a sufficient condition based on elementary properties of , K any real closed field, for ƒ to be sum of 2mth powers of rational functions in K(x).

Item Type: | Article |
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Uncontrolled Keywords: | positive semidefinite polynomials; semialgebraic sets; sum of 2m-th powers of rational functions |

Subjects: | Sciences > Mathematics > Logic, Symbolic and mathematical |

ID Code: | 14813 |

Deposited On: | 18 Apr 2012 09:20 |

Last Modified: | 18 Apr 2012 09:20 |

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