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March, 2003 Circle Packings on Surfaces with Projective Structures
Sadayoshi Kojima, Shigeru Mizushima, Ser Peow Tan
J. Differential Geom. 63(3): 349-397 (March, 2003). DOI: 10.4310/jdg/1090426770

Abstract

The Koebe-Andreev-Thurston theorem states that for any triangulation of a closed orientable surface Σg of genus g which is covered by a simple graph in the universal cover, there exists a unique metric of curvature 1,0 or −1 on the surface depending on whether g = 0,1 or ≥ 2 such that the surface with this metric admits a circle packing with combinatorics given by the triangulation. Furthermore, the circle packing is essentially rigid, that is, unique up to conformal automorphisms of the surface isotopic to the identity.

In this paper, we consider projective structures on the surface where circle packings are also defined. We show that the space of projective structures on a surface of genus g ≥ 2 which admits a circle packing contains a neigborhood of the Koebe-Andreev-Thurston structure homeomorphic to ℝ6g−6. We furthemore show that if a circle packing consists of one circle, then the space is globally homeomorphic to ℝ6g−6 and that the circle packing is rigid.

Citation

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Sadayoshi Kojima. Shigeru Mizushima. Ser Peow Tan. "Circle Packings on Surfaces with Projective Structures." J. Differential Geom. 63 (3) 349 - 397, March, 2003. https://doi.org/10.4310/jdg/1090426770

Information

Published: March, 2003
First available in Project Euclid: 21 July 2004

zbMATH: 1075.52509
MathSciNet: MR2015468
Digital Object Identifier: 10.4310/jdg/1090426770

Rights: Copyright © 2003 Lehigh University

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Vol.63 • No. 3 • March, 2003
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