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Penrose, Gravitational collapse and space-time singu- larities, Phys

4 Pith papers cite this work. Polarity classification is still indexing.

4 Pith papers citing it

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2026 2 2025 2

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Open case for a closed universe

hep-th · 2025-10-15 · unverdicted · novelty 6.0

A no-go theorem proves flat and open FRW universes cannot be nonsingular, geodesically complete and ANEC-consistent while closed universes can, with positive curvature mimicking phantom dark energy at the 1% level.

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