Structure of groups of circle diffeomorphisms with the property of fixing nonexpandable points |
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| Authors: | D A Filimonov V A Kleptsyn |
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| Institution: | 1.Moscow Institute of Physics and Technology,Moscow,Russia;2.Moscow State University of Railways Communications,Moscow,Russia;3.Institut de Recherche Mathématique de Rennes,CNRS,Rennes,France |
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| Abstract: | We study the structure of groups of circle diffeomorphisms with the property of fixing nonexpandable points. This property generalizes the local expansivity property, and at present there are no known examples of minimal C 2 actions of finitely generated groups of circle diffeomorphisms for which this generalized property does not hold. |
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