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Communications in Mathematical Physics

, Volume 113, Issue 2, pp 299–339 | Cite as

The decorated Teichmüller space of punctured surfaces

  • R. C. Penner
Article

Abstract

A principal ℝ + 5 -bundle over the usual Teichmüller space of ans times punctured surface is introduced. The bundle is mapping class group equivariant and admits an invariant foliation. Several coordinatizations of the total space of the bundle are developed. There is furthermore a natural cell-decomposition of the bundle. Finally, we compute the coordinate action of the mapping class group on the total space; the total space is found to have a rich (equivariant) geometric structure. We sketch some connections with arithmetic groups, diophantine approximations, and certain problems in plane euclidean geometry. Furthermore, these investigations lead to an explicit scheme of integration over the moduli spaces, and to the construction of a “universal Teichmüller space,” which we hope will provide a formalism for understanding some connections between the Teichmüller theory, the KP hierarchy and the Virasoro algebra. These latter applications are pursued elsewhere.

Keywords

Modulus Space Geometric Structure Quantum Computing Class Group Mapping Class 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 1987

Authors and Affiliations

  • R. C. Penner
    • 1
  1. 1.Math DepartmentUniversity of Southern CaliforniaLos AngelesUSA

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