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Complex, contact, Riemannian, pseudo-Riemannian and Finsler geometry, relativity, gauge theory, global analysis.

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Non-compactness on Penrose singularity

I've been studying singularities in GR, and (obviously), came across PST. Let us state it as the following: Let $(M, g)$ be a connected globally hyperbolic spacetime with a noncompact Cauchy hypersurf …
Johann Wagner's user avatar