Finite groups acting on spheres
Author: John David Miller
Journal: Proc. Amer. Math. Soc. 32 (1972), 289-293
MSC: Primary 57.47
MathSciNet review: 0288783
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Abstract: This paper classifies smooth actions of a finite group G acting on a sphere of sufficiently high dimension with precisely two fixed points (and the action free elsewhere) by relating the group action to an element of the group's Whitehead group. Essentially, if that element is zero, the action corresponds to a free action on a sphere of dimension one less. If not, what we call the ``double'' of the action is. An example is constructed to show that the various cases can occur.
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Keywords: Group acting smoothly on , h-cobordism, Whitehead torsion, Stalling's Theorem
Article copyright: © Copyright 1972 American Mathematical Society