Möbius Transformations of the Circle Form a Maximal Convergence Group

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We investigate the relationship between quasisymmetric and convergence groups acting on the circle. We show that the Möbius transformations of the circle form a maximal convergence group. This completes the characterization of the Möbius group as a maximal convergence group acting on the sphere. Previously, Gehring and Martin had shown the maximality of the Möbius group on spheres of dimension greater than one. Maximality of the isometry (conformal) group of the hyperbolic plane as a uniform quasi-isometry group, uniformly quasiconformal group, and as a convergence group in which each element is topologically conjugate to an isometry may be viewed as consequences.
Proceedings of Iberoamerican Congress on Geometry, Contemporary Mathematics, AMS, to appear

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Complex Variables, Dynamical Systems

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http://salesiana.dossiersoluciones.com/handle/123456789/110252

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0603457
 http://arxiv.org/abs/math/0603457

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arXiv