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EnglishA standard interval exchange map is a one-to-one map of the interval that is locally a translation except at finitely many singularities. We define for such maps, in terms of the Rauzy-Veech continuous fraction algorithm, a diophantine arithmetical condition called restricted Roth type, which is almost surely satisfied in parameter space. Let T0 be a standard interval exchange map of restricted Roth type, and let r be an integer ≥2. We prove that, amongst Cr+3 deformations of T0 that are Cr+3 tangent to T0 at the singularities, those that are conjugated to T0 by a Cr-diffeomorphism close to the identity form a C1-submanifold of codimension (g−1)(2r+1)+s. Here, g is the genus and s is the number of marked points of the translation surface obtained by suspension of T0. Both g and s can be computed from the combinatorics of T0.
| Titolo: | Linearization of generalized interval exchange maps | |
| Autori: | ||
| Data di pubblicazione: | 2012 | |
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| Digital Object Identifier (DOI): | http://dx.doi.org/10.4007/annals.2012.176.3.5 | |
| Handle: | http://hdl.handle.net/11384/4885 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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