Further Dense Properties of the Space of Circle Diffeomorphisms with a Liouville Rotation Number |
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Authors: | Philipp Kunde |
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Institution: | 1.Department of Mathematics,University of Hamburg,Hamburg,Germany |
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Abstract: | In continuation of Matsumoto’s paper (Nonlinearity 25:1495–1511, 2012) we show that various subspaces are \(C^{\infty }\)-dense in the space of orientation-preserving \(C^{\infty }\)-diffeomorphisms of the circle with rotation number \(\alpha \), where \(\alpha \in {\mathbb {S}}^1\) is any prescribed Liouville number. In particular, for every odometer \({\mathcal {O}}\) of product type we prove the denseness of the subspace of diffeomorphisms which are orbit-equivalent to \({\mathcal {O}}\). |
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