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Proyecciones (Antofagasta)
versión impresa ISSN 0716-0917
Proyecciones (Antofagasta) v.22 n.3 Antofagasta dic. 2003
http://dx.doi.org/10.4067/S0716-09172003000300005
Proyecciones
Vol. 22, N o 3, pp. 237-242, December 2003.
Universidad Católica del Norte
Antofagasta - Chile
CLASSES OF FORMS WITT EQUIVALENT
TO A SECOND TRACE FORM OVER FIELDS
OF CHARACTERISTIC TWO *
ANA CECILIA DE LA MAZA
Universidad de Talca, Chile
Abstract
Let F be a field of characteristic two. We determine all non-hyperbolic
quadratic forms over F that are Witt equivalent to a second
trace form.
Mathematics Subject Classification : Primary 11 E 04; Sec-ondary
11 E 81
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Received : January, 2003.
Ana Cecilia de la Maza
Instituto de Matemática y Física
Universidad de Talca
Casilla 747
Talca
e-mail : anace@inst-mat.utalca.cl
*This work was supported by Fondecyt grants N° 1010205, and by Programa formas extremas y representación de formas cuadráticas, Universidad de Talca