Related papers: String Causality

This paper has been withdrawn by the author due to an error.

This paper has been withdrawn by the authors due to some fatal errors in the analysis.

The original version of this paper contains an error; when this is corrected the basic conclusion changes. A revised manuscript will be submitted shortly.

This paper has been withdrawn by the author due to a misunderstanding.

Paper withdrawn due to conceptual mistakes. A corrected version will soon be available at the gr-qc archive.

This paper has been withdrawn by the author, because it is now part of an enlarged version entitled "Time functions as utilities" arXiv:0909.0890

Withdrawn by author. This paper was mistakenly submitted twice (See nucl-th/0604008)

This paper has been withdrawn by the authors, due a crucial error in Sec. 3.

This paper has been withdrawn by the author due to an error.

This paper has been withdrawn by the author due a crucial error.

This paper has been withdrawn by the authors due to an error.

This paper has been withdrawn by the author due to a error in attachment of source file.

The paper is withdrawn by the author due to an oversimplified and misleading approach which was taken initially as a starting point.

This paper has been withdrawn by the authors due to new experimental results.

This paper has been withdrawn by the author due to some errors.

This paper has been withdrawn by the authors.

The original Halpern-Pearl definition of causality [Halpern and Pearl, 2001] was updated in the journal version of the paper [Halpern and Pearl, 2005] to deal with some problems pointed out by Hopkins and Pearl [2003]. Here the definition…

This paper has been withdrawn due to crucial erros in equations (24)--(31).

withdrawn by the authors because of an error.

This paper has been withdrawn by the author(s), due a crucial sign error in Thm. 11.