query: Expansion of Universe: Spacetime metric and Topological Variations?
positive_passages.docid: 14329
positive_passages.text: What is known about the topological structure of spacetime?
negative_passages.docid: 65001
negative_passages.text: Universe from nothing?
negative_passages.docid: 88019
negative_passages.text: How can mass affect spacetime?
negative_passages.docid: 74607
negative_passages.text: Variation of the metric with respect to the metric
negative_passages.docid: 45888
negative_passages.text: Minkowski metric -- why does it follow from the constancy of the speed of light?
negative_passages.docid: 62168
negative_passages.text: Hubble time, the age of the Universe and expansion rate
negative_passages.docid: 149430
negative_passages.text: Why does the universe exhibit three large-scale spatial dimensions?
negative_passages.docid: 125620
negative_passages.text: How do we know for certain that space is expanding?
negative_passages.docid: 38714
negative_passages.text: Can a metric in General Relativity, Supergravity, String Theory, etc., be asymmetric?
negative_passages.docid: 85242
negative_passages.text: Deciding whether two metrics are topologically equivalent in the space $C^1([0,1])$
negative_passages.docid: 71342
negative_passages.text: Physical interpretation of the Reissner-Nordstrom metric
negative_passages.docid: 113304
negative_passages.text: Universe expands ... compared to what?
negative_passages.docid: 95681
negative_passages.text: If the universe is 3D, how is space-time like a "fabric"?
negative_passages.docid: 80274
negative_passages.text: What is the "topology induced by a metric"?
negative_passages.docid: 92343
negative_passages.text: Does cosmological time expand like space does?
negative_passages.docid: 75788
negative_passages.text: Is spacetime absolute?
negative_passages.docid: 2983
negative_passages.text: Shape of the universe?