Geodesics in Margulis spacetimes

Geodesics in Margulis spacetimes
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Margulis 时空中的测地线

DOI:
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发表时间:
2011
影响因子:
0.9
通讯作者:
F. Labourie
F. Labourie
中科院分区:
数学2区
文献类型:
--
作者:
W. Goldman;F. Labourie

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设M3是一个Margulis时空,它的完备双曲曲面φ 2有一个紧凸核。推广了M3上的闭测地线与M2上的闭测地线之间的对应关系,建立了M3上的递归类空测地线与M2上的递归测地线之间的轨道等价关系。相比之下,没有类时测地线在向前或向后的时间中递归。
Abstract Let M3 be a Margulis spacetime whose associated complete hyperbolic surface Σ2 has a compact convex core. Generalizing the correspondence between closed geodesics on M3 and closed geodesics on Σ2, we establish an orbit equivalence between recurrent spacelike geodesics on M3 and recurrent geodesics on Σ2. In contrast, no timelike geodesic recurs in either forward or backward time.