Some topological and metric properties o
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Pierre Mounoud
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Article
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2001
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Elsevier Science
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English
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The space of Lorentz metrics on a compact manifold is very different from its Riemannian analogue. There are usually many connected components. We show that some of them turn out to be not simply connected. We also show that, in dimension greater than 2, the distance between two components is always