Does general relativity allow an observer to view an eternity in a finite time?

Details Does general relativity allow an observer to view an eternity in a finite time? Does general relativity allow an observer to view an eternity in a finite time?

Apr 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992fophl...5..173h&link_type=abstract

Foundations of Physics Letters, Volume 5, Issue 2, pp.173-181

Physics

2

General Relativity, Eternity, Anti-De Sitter, Pitowsky

Scientific paper

I investigate whether there are general relativistic spacetimes that allow an observer µ to collect in a finite time all the data from the worldline of another observer λ, where the proper length of λ's worldline is infinite. The existence of these spacetimes has a bearing on certain problems in computation theory. A theorem shows that most standard spacetimes cannot accommodate this scenario. There are however spacetimes which can: anti-de Sitter spacetime is one example.

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