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An elementary based sufficient condition for sums of 2mth powers of polynomials over non-archimedean real closed fields

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

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



Resumen

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).


Tipo de documento:Artículo
Palabras clave:positive semidefinite polynomials; semialgebraic sets; sum of 2m-th powers of rational functions
Materias:Ciencias > Matemáticas > Lógica simbólica y matemática
Código ID:14813
Depositado:18 Abr 2012 09:20
Última Modificación:18 Abr 2012 09:20

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