Totally positive field extensions and the Pythagorean index. (English) Zbl 1535.12001
Reviewer: Detlev Hoffmann (Dortmund)
Found 24 Documents (Results 1–24)
Signatures, sums of Hermitian squares and positive cones on algebras with involution. (English) Zbl 1423.16018
Weakly hyperbolic involutions. (English) Zbl 1441.11073
Signatures of Hermitian forms and “prime ideals” of Witt groups. (English) Zbl 1328.11040
Reviewer: Detlev Hoffmann (Dortmund)
Valuations and Hermitian forms on skew fields. (English) Zbl 1007.11018
Kuhlmann, Franz-Viktor (ed.) et al., Valuation theory and its applications. Volume I. Proceedings of the international conference and workshop, University of Saskatchewan, Saskatoon, Canada, July 28-August 11, 1999. Providence, RI: American Mathematical Society (AMS). Fields Inst. Commun. 32, 103-115 (2002).
Reviewer: Andrzej Sładek (Katowice)
On the classification of \(4\)-dimensional quadratic division algebras over square-ordered fields. (English) Zbl 1017.17004
Reviewer: Ernst Dieterich (Uppsala)
Jordan algebras associated to \(T\)-algebras. (English) Zbl 0849.17033
Reviewer: J.A.Cuenca Mira (Málaga)
MSC:
17C50
Representations of Jordan algebras and special functions. (English) Zbl 0791.17030
Reviewer: M.Schlichenmaier (Mannheim)
Algebraic independent generators of invariant differential operators on a symmetric cone. (English) Zbl 0667.43007
Reviewer: T.Nomura
Jordan algebras of real symmetric matrices. (English) Zbl 0643.17015
Reviewer: Robert A. Bix (Flint)
MSC:
17C10
Algèbre de Jordan et ensemble de Wallach. (Jordan algebra and Wallach set). (French) Zbl 0622.22008
Reviewer: M.Muro
Bessel functions associated with representations of formally real Jordan algebras. (English) Zbl 0612.43009
Reviewer: Sh.A.Ayupov
Invariant polynomial functions on Jordan algebras. (English) Zbl 0564.17006
Reviewer: E.Neher
Cônes autopolaires et algèbres de Jordan. (French) Zbl 0556.46040
Lecture Notes in Mathematics. 1049. Berlin etc.: Springer-Verlag. VI, 247 p. DM 33.50; $ 12.50 (1984).
Reviewer: J.Dorfmeister
Monotone functions on formally real Jordan algebras. (English) Zbl 0552.17014
Reviewer: Erhard Neher (Ottawa)
Derivationen und Automorphismen von Algebren, in denen die Gleichung \(X^2=0\) nur trivial lösbar ist. (German) Zbl 0413.17001
Zur Koecherschen Reduktionstheorie in Positivitätsbereichen. I–III. (German) Zbl 0196.30502
Reviewer: Ulrich Hirzebruch (München)
A generalization of formally real Jordan algebras. (Eine Verallgemeinerung der formal-reellen Jordan-Algebren.) (German) Zbl 0178.36104
Reviewer: R. H. Oehmke
MSC:
17C10
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