Topology in general relativity

Topology in general relativity
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广义相对论中的拓扑

DOI:
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发表时间:
1967
期刊:
影响因子:
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通讯作者:
R. Geroch
R. Geroch
中科院分区:
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文献类型:
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作者:
R. Geroch

文献摘要

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提出了许多在相对论世界模型的全局分析中有用的定理和定义。特别表明,在某些条件下,当且仅当模型是非因果的时,类空间截面的拓扑结构才会发生变化。定义了两个新的覆盖流形,体现了通用覆盖流形的某些性质,并讨论了它们在广义相对论中的应用。
A number of theorems and definitions which are useful in the global analysis of relativistic world models are presented. It is shown in particular that, under certain conditions, changes in the topology of spacelike sections can occur if and only if the model is acausal. Two new covering manifolds, embodying certain properties of the universal covering manifold, are defined, and their application to general relativity is discussed.