Smooth actions of the circle group on exotic spheres

DOI10.2140/pjm.1981.95.323zbMath0489.57010OpenAlexW2007941134MaRDI QIDQ1166806

Vappala J. Joseph

Publication date: 1981

Published in: Pacific Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2140/pjm.1981.95.323

zbMATH Keywords

codimensions of the fixed point setsnon semifree circle actionssemifree circle actions on homotopy (8n+1)-spheres not bounding spin manifolds

Mathematics Subject Classification ID

Groups acting on specific manifolds (57S25) Compact Lie groups of differentiable transformations (57S15) Surgery obstructions, Wall groups (57R67)

Related Items (3)

Some smooth circle and cyclic group actions on exotic spheres ⋮ S1-Equivariant bordism, invariant metrics of positive scalar curvature, and rigidity of elliptic genera ⋮ Circle actions and scalar curvature

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