Hawking, Phys

· 1965

1 Pith paper cite this work. Polarity classification is still indexing.

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gr-qc · 2026-08-07 · conditional · novelty 7.0

A Bianchi-I spacetime obeying the null energy condition and expanding in all directions at one time must have past-incomplete null geodesics.

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Geodesic completeness of anisotropic cosmologies and the null energy condition gr-qc · 2026-08-07 · conditional · none · ref 4
A Bianchi-I spacetime obeying the null energy condition and expanding in all directions at one time must have past-incomplete null geodesics.