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Genus one Birkhoff sections for geodesic flows (1208.6405v2)
Published 31 Aug 2012 in math.GT and math.DS
Abstract: We prove that the geodesic flow on the unit tangent bundle to every hyperbolic 2-orbifold that is a sphere with 3 or 4 singular points admits explicit genus one Birkhoff sections, and we determine the associated first return maps.
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