Summary
There exists a Teichmüller discΔ n containing the Riemann surface ofy 2+x n=1, in the genus [n−1/2] Teichmüller space, such that the stabilizer ofΔ n in the mapping class group has a fundamental domain of finite (Poincaré) volume inΔ n . Application is given to an asymptotic formula for the length spectrum of the billiard in isosceles triangles with angles (π/n, π/n,n−2/nπ) and to the uniform distribution of infinite billiard trajectories in the same triangles.
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Research supported by NSF-DMS-8521620
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Veech, W.A. Teichmüller curves in moduli space, Eisenstein series and an application to triangular billiards. Invent Math 97, 553–583 (1989). https://doi.org/10.1007/BF01388890
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DOI: https://doi.org/10.1007/BF01388890