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Limits of harmonic maps and crowned hyperbolic surfaces

Gupta, S (2019) Limits of harmonic maps and crowned hyperbolic surfaces. In: Transactions of the American Mathematical Society, 372 (11). pp. 7573-7596.

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Official URL: https://doi.org/10.1090/tran/7777

Abstract

We consider harmonic diffeomorphisms to a fixed hyperbolic target Y from a family of domain Riemann surfaces degenerating along a Teichmüller ray. We use the work of Minsky to show that there is a limiting harmonic map from the conformal limit of the Teichmüller ray to a crowned hyperbolic surface. The target surface is the metric completion of the complement of a geodesic lamination on Y . The conformal limit is obtained by attaching half-planes and cylinders to the critical graph of the holomorphic quadratic differential determining the ray. As an application, we provide a new proof of the existence of harmonic maps from any punctured Riemann surface to a given crowned hyperbolic target of the same topological type.

Item Type: Journal Article
Publication: Transactions of the American Mathematical Society
Publisher: American Mathematical Society
Additional Information: The copyright for this article belongs to the Authors.
Department/Centre: Division of Physical & Mathematical Sciences > Mathematics
Date Deposited: 12 Oct 2022 09:13
Last Modified: 12 Oct 2022 09:13
URI: https://eprints.iisc.ac.in/id/eprint/77398

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