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MiS Preprint
86/2008

Higher Bers Maps

Guy Buss

Abstract

The Bers embebbing realizes the Teichmüller space of a Fuchsian group $G$ as a open, bounded and contractible subset of the complex Banach space of bounded quadratic differentials for $G$. It utilizes the schlicht model of Teichmüller space, where each point is represented by an injective holomorphic function on the disc, and the map is constructed via the Schwarzian differential operator.

In this paper we prove that a certain class of differential operators acting on functions of the disc induce holomorphic mappings of Teichmüller spaces, and we also obtain a general formula for the differential of the induced mappings at the origin. The main focus of this work, however, is on two particular series of such mappings, dubbed higher Bers maps, because they are induced by so-called higher Schwarzians -- generalizations of the classical Schwarzian operator. For these maps, we prove several further results.

The last section contains a discussion of possible applications, open questions and speculations.

Received:
01.12.2008
Published:
10.12.2008
MSC Codes:
30F30, 30F35, 30F60, 32N10, 32G15, 46G20
Keywords:
Teichmüller spaces, Fuchsian groups, (higher) Schwarzian, Bers Embedding

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2012 Repository Open Access
Guy Buss

Higher Bers maps

In: The Asian journal of mathematics, 16 (2012) 1, pp. 103-140