Submission: 2005, Jan 18
Let F be a field of characteristic two. We compute annihilators of bilinear and quadratic Pfisterforms in the graded Witt ring and Witt module of F, thereby confirming in the case of fields with characteristic two certain conjectures estated by Krueskemper.
2000 Mathematics Subject Classification: primary 11E04, secondary 11E81
Keywords and Phrases: quadratic forms, bilinear forms, Pfisterforms, Witt rings, differential forms
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