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Journal Article

Time-Travel and Topology

Tim Maudlin
PSA: Proceedings of the Biennial Meeting of the Philosophy of Science Association
Vol. 1990, Volume One: Contributed Papers (1990), pp. 303-315
Stable URL: http://www.jstor.org/stable/192712
Page Count: 13
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Time-Travel and Topology
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Abstract

This paper demonstrates that John Wheeler and Richard Feynman's strategy for avoiding causal paradoxes threatened by backward causation and time-travel can be defeated by designing self-interacting mechanisms with a non-simple topological structure. Time-travel therefore requires constraints on the allowable data on space-like hypersurfaces. The nature and significance of these constraints is discussed.

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