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44On the Inextendibility of Space-TimePhilosophy of Science 84 (5): 1215-1225. 2017.It has been argued that spacetime must be inextendible – that it must be “as large as it can be” in some sense. Here, we register some skepticism with respect to this position.
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82Is the Universe As Large As It Can Be?Erkenntnis 81 (6): 1341-1344. 2016.In this note, we cast doubt on the requirement of spacetime inextendibility; it is not at all clear that our universe is “as large as it can be.”
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46Time Travel: Why It May Not Pay to Work out All the KinksPhilosophy of Science 78 (5): 1037-1045. 2011.Here, we hypothesize that a smooth nongeodesic closed timelike curve is never most efficient with respect to total acceleration if a kink is permitted at the initial point. We support our hypothesis in a variety of ways. Most notably, we show Malament's opposing conjecture concerning Gödel space-time to be false.
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73On Gödel and the Ideality of TimePhilosophy of Science 83 (5): 1050-1058. 2016.Gödel's remarks concerning the ideality of time are examined. In the literature, some of these remarks have been somewhat neglected while others have been heavily criticized. In this note, we propose a clear and defensible sense in which Gödel's work bears on the question of whether there is an objective lapse of time in our world.
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Areas of Specialization
General Relativity |
Areas of Interest
General Relativity |
PhilPapers Editorships
General Relativity |