Related papers: On Cauchy surfaces in conformally stationary space…

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This paper has been removed by arXiv administrators because it overlaps hep-th/0308070, and others. This paper also has excessive overlap with the following paper also written by the authors or their collaborators: gr-qc/0506061.

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This paper has been withdrawn by the author due to its main result being included in cond-mat/0403309 by the same author.

After the heroic epoch of Causality Theory, problems concerning the smoothability of time functions and Cauchy hypersurfaces remained as unanswered folk questions. Just recently solved, our aim is to discuss the state of the art on this…

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This paper has been withdrawn - the results (with updated proofs) now appear in arXiv:0801.1627.

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This paper has been withdrawn, as all conjectures (and one claim) have been proven incorrect. Some of what remains may eventually reappear in a different context.

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The results of this paper are outdated. Finer versions of them will appear elsewhere.

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