The Browder-Livesay Invariants

  • Santiago López de Medrano
Part of the Ergebnisse der Mathematik und ihrer Grenzgebiete book series (MATHE2, volume 59)


We say that an involution (T, ∑ n ) of a homotopy sphere n desuspends if there is an embedded (smoothly or p.1., depending on the category we’re working on) homotopy sphere S n −1 n which is invariant under T. We also say that (T, ∑ n ) is a suspension of (T|Sn −1, Sn −1 ) and that (T|S n −1, S n−1 ) is a desuspension of (T, ∑ n ). See also IV.3.2 and V.1.


Equivariant Homotopy Compact Submanifold Poincare Duality Homotopy Sphere Embed Sphere 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1971

Authors and Affiliations

  • Santiago López de Medrano
    • 1
  1. 1.Instituto de MatemáticasUniversidad Nacional Autónoma de MéxicoMéxico

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