Knebusch, M. Signaturen, reelle Stellen und reduzierte quadratische Formen. (German) Zbl 0441.10019 Jahresber. Dtsch. Math.-Ver. 82, 109-127 (1980). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 11E16 General binary quadratic forms 15A63 Quadratic and bilinear forms, inner products 12D15 Fields related with sums of squares (formally real fields, Pythagorean fields, etc.) 14Pxx Real algebraic and real-analytic geometry 11E10 Forms over real fields 11E08 Quadratic forms over local rings and fields Keywords:quadratic forms; signatures; real algebraic geometry; Witt ring; fan Citations:Zbl 0319.14002; Zbl 0321.14016; Zbl 0418.14001 PDF BibTeX XML Cite \textit{M. Knebusch}, Jahresber. Dtsch. Math.-Ver. 82, 109--127 (1980; Zbl 0441.10019) OpenURL