by Markus Rost (Notes, September 2002, 5 pages)
A m-fold Pfister form is associated to any etale algebra of rank 2m+1.
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Related texts:
by Markus Rost (Notes, January 2003, 10 pages)
In this text we collect some material related with the multiplicative norm for the Grothendieck-Witt ring. It is a first draft. Details can be found below in the diploma thesis by Wittkop and Krsnik.
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von Tobias Wittkop (Diplomarbeit, Universität Bielefeld, 2006, 40 Seiten)
The diploma thesis defines the multiplicative transfer for the Grothendieck-Witt ring for quadratic field extensions and derives various formulas for it.
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von Simon Krsnik (Diplomarbeit, Universität Bielefeld, 2006, 67 Seiten)
The diploma thesis defines the multiplicative transfer for the Grothendieck-Witt ring for arbitrary etale extensions of a field.
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by Markus Rost (Notes, December 1998, 2 pages)
Similarity invariants of quadratic forms are described.
Full text (version of December 19, 1998; TeX-Version 2001): [pdf]