# Geometric description of the connecting homomorphism for Witt groups

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.
Document type :
Preprints, Working Papers, ...
Domain :

https://hal-univ-artois.archives-ouvertes.fr/hal-00424549
Contributor : Baptiste Calmès <>
Submitted on : Friday, October 16, 2009 - 12:14:35 PM
Last modification on : Wednesday, August 7, 2019 - 12:14:40 PM

### Identifiers

• HAL Id : hal-00424549, version 1
• ARXIV : 0807.3283

### Citation

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

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