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Splitting Patterns and Trace Forms

Published online by Cambridge University Press:  20 November 2018

Jurgen Hurrelbrink  and
Ulf Rehmann
Jurgen Hurrelbrink
Affiliation:
Department of Mathematics Louisiana State University Baton Rouge, Louisiana 70803 U.S.A., e-mail: jurgen@marais.math.lsu.edu
Ulf Rehmann
Affiliation:
Fakultät für Mathematik Universität Bielefeld 33501 Bielefeld Germany, e-mail: rehmann@mathematik.uni-bielefeld.de
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Abstract

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The splitting pattern of a quadratic form $q$ over a field $k$ consists of all distinct Witt indices that occur for $q$ over extension fields of $k$. In small dimensions, the complete list of splitting patterns of quadratic forms is known. We show that all splitting patterns of quadratic forms of dimension at most nine can be realized by trace forms.

Keywords

11E04Quadratic formsWitt indicesgeneric splitting
Type
Research Article
Information
Canadian Mathematical Bulletin , Volume 41 , Issue 1 , 01 March 1998 , pp. 71 - 78
Copyright
Copyright © Canadian Mathematical Society 1998

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