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Sep 1, 2023 at 4:14 comment added Ben Whale Yes that's correct. That is why I said "Lorentzian representative".
Aug 26, 2023 at 15:24 comment added Ben McKay The causal structure is empty if the conformal structure is of positive definite or negative definite signature.
Aug 26, 2023 at 11:07 history answered Ben Whale CC BY-SA 4.0