Reference : Isometries of Lorentz surfaces and convergence groups |
Scientific journals : Article | |||
Physical, chemical, mathematical & earth Sciences : Mathematics | |||
http://hdl.handle.net/10993/22550 | |||
Isometries of Lorentz surfaces and convergence groups | |
English | |
Monclair, Daniel ![]() | |
Oct-2015 | |
Mathematische Annalen | |
Springer | |
363 | |
1 | |
101-141 | |
Yes (verified by ORBilu) | |
International | |
0025-5831 | |
1432-1807 | |
Heidelberg | |
Germany | |
[en] We study the isometry group of a globally hyperbolic spatially compact Lorentz surface. Such a group acts on the circle, and we show that when the isometry group acts non properly, the subgroups of Diff(S^1) obtained are semi conjugate to subgroups of finite covers of PSL(2,R) by using convergence groups. Under an assumption on the conformal boundary, we show that we have a conjugacy in Homeo(S^1 ) | |
http://hdl.handle.net/10993/22550 |
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