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Cosmic Crystallography

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arxiv gr-qc/9604050 v1 pith:FHNZZ2ND submitted 1996-04-26 gr-qc astro-ph

classification gr-qcastro-ph
keywords cosmictopologicalvolumeambiguousassumeclusterscompactconfiguration
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We assume that the Universe has a non trivial topology whose compact spatial sections have a volume significantly smaller than the horizon volume. By a topological lens effect, such a "folded" space configuration generates multiple images of cosmic sources, e.g. clusters of galaxies. We present a simple and powerful method to unveil non ambiguous observational effects, independently of the sign of the curvature and of the topological type.

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Cited by 1 Pith paper

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  1. Gravitational waves and cosmic boundary

    gr-qc 2024-11 conditional novelty 6.0 of 10

    If the cosmos has a reflective boundary beyond redshift 15, gravitational waves from repeated black hole mergers could reveal it, with a TianQin+LISA network best at fixing the boundary's orientation.

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