ON CENTRAL ORDERINGS
Résumé
We define the notion of central orderings for a general commutative ring A which generalizes the notion of central points of irreducible real algebraic varieties. We study a central and a precentral loci which both live in the real spectrum of the ring A and allow to state central Positivestellensätze in the spirit of Hilbert 17th problem.
Domaines
Mathématiques [math]Origine | Fichiers produits par l'(les) auteur(s) |
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