Free circle actions on homotopy nine spheres

zbMath0458.57030MaRDI QIDQ1151650

David M. James

Publication date: 1980

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

zbMATH Keywords

framed cobordismequivariant framed surgeryframed homotopy spheresmooth free circle action on a nine-dimensional exotic homotopy sphere

Mathematics Subject Classification ID

Groups acting on specific manifolds (57S25) Compact Lie groups of differentiable transformations (57S15) Homotopy groups of spheres (55Q40) Homotopy spheres, Poincaré conjecture (57R60)

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