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arxiv: gr-qc/9509046 · v2 · submitted 1995-09-25 · 🌀 gr-qc

Topology and Causal Structure

Andrew Chamblin This is my paper
classification 🌀 gr-qc
keywords causalstructureinvestigatemetricpointssingularspacetimestopology
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We investigate the causal structure of spacetimes $(M, g)$ for which the metric $g$ is singular on a set of points.

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  1. Wormhole Nucleation via Topological Surgery in Lorentzian Geometry

    gr-qc 2025-05 unverdicted novelty 7.0

    Wormhole nucleation is achieved via 0-surgery yielding a singular cobordism, resolved by connected sum with CP² to produce a nonsingular Lorentzian metric with closed timelike curves and violated energy conditions.