Geodesic
Semifree actions on spheres
Fundamentalʹnaâ i prikladnaâ matematika, Tome 11 (2005) no. 5, pp. 197-207 
I. V. Savel'ev. Semifree actions on spheres. Fundamentalʹnaâ i prikladnaâ matematika, Tome 11 (2005) no. 5, pp. 197-207. http://geodesic.mathdoc.fr/item/FPM_2005_11_5_a14/
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Voir la notice de l'article provenant de la source Math-Net.Ru

The article presents main results concerning smooth semifree actions of finite groups on spheres. One shows that for every holomorphic function having an isolated singularity, there exists a smooth semifree action on a (possibly homotopic) sphere where the fixed point set is the boundary for the singularity of the given function.

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