Abstract.
For n > 2, the action of the outer automorphism group of the rank n free group F n on Hom(F n , SU(2))/SU(2) is ergodic with respect to the Lebesgue measure class.
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The author gratefully acknowledges support from National Science Foundation grants DMS-0405605 and DMS-0103889.
Received: September 2005 Revision: January 2006 Accepted: March 2006
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Goldman, W.M. An Ergodic Action of the Outer Automorphism Group of a Free Group. GAFA, Geom. funct. anal. 17, 793–805 (2007). https://doi.org/10.1007/s00039-007-0609-8
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DOI: https://doi.org/10.1007/s00039-007-0609-8
Keywords and phrases:
- Character variety
- free group
- outer automorphism group
- Nielsen transformation
- ergodic equivalence relation