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arxiv: math/0503047 · v2 · submitted 2005-03-02 · 🧮 math.GT · math.DS

Veech groups without parabolic elements

classification 🧮 math.GT math.DS
keywords elementsparabolicveechgroupssurfacebouillabaisseconstructioncorollary
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We prove that a ``bouillabaisse'' surface (translation surface which has two transverse parabolic elements) has totally real trace field. As a corollary, non trivial Veech groups which have no parabolic elements do exist. The proof follows Veech's viewpoint on Thurston's construction of pseudo-Anosov diffeomorphisms.

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