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math.DG2023
Causal completion of a globally hyperbolic conformally flat spacetime
Rym Smaï
In [6], Geroch, Kronheimer and Penrose introduced a way to attach ideal points to a spacetime M , defining the causal completion of M. They established that this is a topological s…
math.DG2023★ 1 cited
Enveloping space of a globally hyperbolic conformally flat spacetime
Rym Smaï
We prove that any simply-connected globally hyperbolic conformally flat spacetime V can be conformally embedded in a bigger conformally flat spacetime, called enveloping space of V…