Geodesic
Geometric description of the connecting homomorphism for Witt groups
Documenta mathematica, Tome 14 (2009), pp. 525-550.

Voir la notice de l'article provenant de la source Electronic Library of Mathematics

Summary: 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.
Classification : 19G12, 11E81
Keywords: Witt group, localization sequence, connecting homomorphism, blow-up, push-forward, non-oriented theory 
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     author = {Balmer, Paul and Calm\`es, Baptiste},
     title = {Geometric description of the connecting homomorphism for {Witt} groups},
     journal = {Documenta mathematica},
     pages = {525--550},
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     volume = {14},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DOCMA_2009__14__a9/}
}
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Balmer, Paul; Calmès, Baptiste. Geometric description of the connecting homomorphism for Witt groups. Documenta mathematica, Tome 14 (2009), pp. 525-550. http://geodesic.mathdoc.fr/item/DOCMA_2009__14__a9/