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Journal articles
A Gysin sequence for a semifree action of S^3
Abstract : In this work we shall consider smooth semifree (i.e., free outside the fixed point set) actions of S^3 on a manifold M. We exhibit a Gysin sequence relating the cohomology of M with the intersection cohomology of the orbit space M/S^3. This generalizes the usual Gysin sequence associated with a free action of S^3..
Mots-clés :
Suite de Gysin
cohomology d'intersection
Cited literature [11 references]
https://hal-univ-artois.archives-ouvertes.fr/hal-00439224
Contributor : Martintxo Saralegi-Aranguren <>
Submitted on : Sunday, December 6, 2009 - 10:41:24 PM
Last modification on : Monday, January 27, 2020 - 9:54:04 AM
Document(s) archivé(s) le : Thursday, October 18, 2012 - 10:05:42 AM
Contributor : Martintxo Saralegi-Aranguren <>
Submitted on : Sunday, December 6, 2009 - 10:41:24 PM
Last modification on : Monday, January 27, 2020 - 9:54:04 AM
Document(s) archivé(s) le : Thursday, October 18, 2012 - 10:05:42 AM
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gys3semi.pdf
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