English

Asymptotic properties of the hyperbolic metric on the sphere with three conical singularities

Complex Variables 2013-01-31 v1

Abstract

The explicit formula for the hyperbolic metric λα,β,γ(z)dz\lambda_{\alpha,\,\beta,\,\gamma}(z)|dz| on the thrice-punctured sphere P\{z1,z2,z3}\mathbb{P} \backslash \{z_1,\,z_2,\,z_3\} with singularities of order α,β,γ1\alpha,\,\beta,\,\gamma \leq 1 with α+β+γ>2\alpha+\beta+\gamma>2 at z1,z2,z3z_1,\,z_2,\,z_3 was given by Kraus, Roth and Sugawa in \cite{Rothhyper}. In this paper we investigate the asymptotic properties of the higher order derivatives of λα,β,γ(z)\lambda_{\alpha,\,\beta,\,\gamma}(z) near the singularity and give some more precise description for the asymptotic behavior.

Keywords

Cite

@article{arxiv.1301.7272,
  title  = {Asymptotic properties of the hyperbolic metric on the sphere with three conical singularities},
  author = {Tanran Zhang},
  journal= {arXiv preprint arXiv:1301.7272},
  year   = {2013}
}