balmer@math.ethz.ch preeti.raman@math.univ-rennes1.fr

Submission: 2004, Jul 28

We show that the odd-indexed derived Witt groups of a semi-local ring with trivial involution vanish. We show that this is wrong when the involution is not trivial and we provide examples.

2000 Mathematics Subject Classification: 11E81, 18E30, 19G12

Keywords and Phrases:

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