Related papers: From time to causality
This paper is withdrawn. See quant-ph/9806031 for a discussion.
Withdrawn due to error. See D. Lowe, L. Susskind and J. Uglum, hep-th/9402136, for correct treatment. Apologies to all recipients.
This paper has been withdrawn, since it contains a corollary with impossible consequences and the source of an error is currently unknown.
This paper has been withdrawn by the authors due to an unlikely results.
This is a philosophy paper rather than mathematical physics work. I will publish it in some other place.
This paper has been withdrawn by the author.
This paper has been withdrawn by the author due to imprecisions which must conduce to wrong results.
This paper has been withdrawn by the author due to a crucial mistakes.
This paper has been withdrawn by the author. This paper is now obsolete. For a solution please see: arXiv:/1205.4265.
This paper has been withdrawn by the author.
This paper was withdrawn as it may have appeared elsewhere, although in a different form.
This paper has been withdrawn by the author. A much more revised version is available as arXiv:0909.4238.
This paper has been withdrawn by the author due to a gap in the proof of the main result.
This paper has been withdrawn by the author
This paper has been withdrawn by the author due to a mistake in the proof of the main theorem.
This paper has been withdrawn by the authors as requested by the journal.
This paper has been withdrawn by the author because it needs a deep methodological revision.
This paper is withdrawn because the results in the paper are included in a paper to be published in Mathematical and Computer Modelling.
This paper has been withdrawn by the author. The most updated version can be accessed by arXiv:1806.07290.
This paper has been withdrawn by the authors due to an error.