Paul Balmer, Baptiste Calmes: Geometric description of the connecting homomorphism for Witt groups

Submission: 2008, Jul 22

We give a geometric setup in which the connecting homomorphism in the localization long exact sequence for Witt groups decomposes as the pull- back to the exceptional fiber of a suitable blow-up followed by a push-forward.

2000 Mathematics Subject Classification: 19G12, 11E81

Keywords and Phrases: Witt groups of schemes, Triangulated Witt groups, Long exact sequence of localization

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