There exist precise options to those equations that include closed time-like curves, which are world lines that intersect themselves; some point within the causal future of the world line is also in its causal past, a state of affairs that…
There exist precise options to those equations that include closed time-like curves, which are world lines that intersect themselves; some point within the causal future of the world line is also in its causal past, a state of affairs that…