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PROPER AFFINE DEFORMATIONS OF THE ONE-HOLED TORUS
A Margulis spacetime is a complete at Lorentzian 3-manifold M with free fundamental group. Associated to M is a noncompact complete hyperbolic surface ∑ homotopy-equivalent to M . The purpose of this paper is to classify Margulis spacetimes when ∑ is homeomorphic to a one-holed torus. We show that e...
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Published in: | Transformation groups 2016-12, Vol.21 (4), p.953-1002 |
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Main Authors: | , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | A Margulis spacetime is a complete at Lorentzian 3-manifold
M
with free fundamental group. Associated to
M
is a noncompact complete hyperbolic surface ∑ homotopy-equivalent to
M
. The purpose of this paper is to classify Margulis spacetimes when ∑ is homeomorphic to a one-holed torus. We show that every such M decomposes into polyhedra bounded by crooked planes, corresponding to an ideal triangulation of ∑. This paper classifies and analyzes the structure of
crooked ideal triangles
, which play the same role for Margulis spacetimes as ideal triangles play for hyperbolic surfaces. |
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ISSN: | 1083-4362 1531-586X |
DOI: | 10.1007/s00031-016-9413-6 |