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Journal articles
Intersection cohomology of S^1-actions
Abstract : In this work we shall consider smooth action of S^1 on a manifold M. We exhibit a Gysin sequence relating the cohomology of M with the intersection cohomology of the orbit space M/S^1. This generalizes the usual Gysin sequence associated with a free action of S^1. We also study the vanishiing of the assocaied Euler class.
Keywords :
Suite de Gysin
cohomology d'intersection
Cited literature [13 references]
https://hal-univ-artois.archives-ouvertes.fr/hal-00440356
Contributor : Martintxo Saralegi-Aranguren <>
Submitted on : Thursday, December 10, 2009 - 2:34:00 PM
Last modification on : Wednesday, July 8, 2020 - 12:43:13 PM
Long-term archiving on: : Thursday, October 18, 2012 - 10:36:19 AM
Contributor : Martintxo Saralegi-Aranguren <>
Submitted on : Thursday, December 10, 2009 - 2:34:00 PM
Last modification on : Wednesday, July 8, 2020 - 12:43:13 PM
Long-term archiving on: : Thursday, October 18, 2012 - 10:36:19 AM
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gysin1.pdf
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