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January 2006 Generalizations of McShane's identity to hyperbolic cone-surfaces
Ser Peow Tan, Yan Loi Wong, Ying Zhang
J. Differential Geom. 72(1): 73-112 (January 2006). DOI: 10.4310/jdg/1143593126

Abstract

We generalize McShane's identity for the length series of simple closed geodesics on a cusped hyperbolic surface to a general identity for hyperbolic cone-surfaces (with all cone angles ≥ π), possibly with cusps and/or geodesic boundary. The general identity is obtained by studying gaps formed by simple-normal geodesics emanating from a distinguished cone point, cusp or boundary geodesic. In particular, by applying the generalized identity to the quotient orbifolds of a hyperbolic one-cone/one-hole torus by its elliptic involution and of a hyperbolic closed genus two surface by its hyperelliptic involution, we obtain general Weierstrass identities for the one-cone/one-hole torus, and an identity for the genus two surface, which are also obtained by McShane using different methods. We also give an interpretation of the general identity in terms of complex lengths of the cone points, cusps and geodesic boundary components.

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Ser Peow Tan. Yan Loi Wong. Ying Zhang. "Generalizations of McShane's identity to hyperbolic cone-surfaces." J. Differential Geom. 72 (1) 73 - 112, January 2006. https://doi.org/10.4310/jdg/1143593126

Information

Published: January 2006
First available in Project Euclid: 28 March 2006

zbMATH: 1097.53031
MathSciNet: MR2215456
Digital Object Identifier: 10.4310/jdg/1143593126

Rights: Copyright © 2006 Lehigh University

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Vol.72 • No. 1 • January 2006
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