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Geometric description of the connecting homomorphism for Witt groups

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Abstract

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.

Dates and versions

hal-00424549 , version 1 (16-10-2009)

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Cite

Paul Balmer, Baptiste Calmès. Geometric description of the connecting homomorphism for Witt groups. 2008. ⟨hal-00424549⟩

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UNIV-ARTOIS INSMI
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