A Gysin Sequence for Semifree Actions of S 3

DOI10.2307/2160096zbMath0805.55005OpenAlexW2007428218MaRDI QIDQ3134718

Martintxo E. Saralegi-Aranguren

Publication date: 13 September 1993

Published in: Proceedings of the American Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2307/2160096

zbMATH Keywords

Euler classorbit spaceGysin sequencestratified pseudomanifoldsmooth manifold without boundarygroup of unit quaternionsintersection cohomologiessmooth semifree action

Mathematics Subject Classification ID

Compact Lie groups of differentiable transformations (57S15) Characteristic classes and numbers in differential topology (57R20) Topology of vector bundles and fiber bundles (57R22) Stratified sets (58A35) Intersection homology and cohomology in algebraic topology (55N33)

Related Items (1)

Intersection cohomology of \(\mathbb S^ 1\)-actions on pseudomanifolds.

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