Bounded Pluriharmonic Functions and Holomorphic Functions on Teichmüller Space

Abstract In this paper, we discuss the boundary behavior of bounded pluriharmonic functions and bounded holomorphic functions on the Teichmüller space. We will show a version of the Fatou theorem that every bounded pluriharmonic function admits the radial limits along the Teichmüller geodesic rays,...

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Bibliographic Details
Published in:International mathematics research notices 2024-11, Vol.2024 (22), p.13855-13869
Main Author: Miyachi, Hideki
Format: Article
Language:English
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Summary:Abstract In this paper, we discuss the boundary behavior of bounded pluriharmonic functions and bounded holomorphic functions on the Teichmüller space. We will show a version of the Fatou theorem that every bounded pluriharmonic function admits the radial limits along the Teichmüller geodesic rays, and a version of the F. and M. Riesz theorem that the radial limit of a non-constant bounded holomorphic function is not constant on any non-null measurable set on the Bers boundary in terms of the pluriharmonic measure. As a corollary, we obtain the non-ergodicity of the action of the Torelli group for a closed surface of genus $g\ge 2$ on the space of projective measured foliations.
ISSN:1073-7928
1687-0247
DOI:10.1093/imrn/rnae222