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Veech’s dichotomy and the lattice property
Published online by Cambridge University Press: 15 September 2008
Abstract
Veech showed that if a translation surface has a stabilizer which is a lattice in SL(2,ℝ), then any direction for the corresponding constant slope flow is either completely periodic or uniquely ergodic. We show that the converse does not hold: there are translation surfaces that satisfy Veech’s dichotomy but for which the corresponding stabilizer subgroup is not a lattice. The construction relies on work of Hubert and Schmidt.
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- Copyright © 2008 Cambridge University Press
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