Related papers: A Design for a Quantum Time Machine

This paper has been withdrawn by the author.

This paper has been withdrawn.

This paper has been withdrawn by the authors due to some technical problems in the paper.

This paper has been withdrawn by the author.

This paper has been temporarily withdrawn for corrections.

This paper has been withdrawn. See quant-ph/9806031 for a discussion.

This paper has been withdrawn by the author.

This paper has been withdrawn by the author due to the incorrect argument for the security.

This paper has been withdrawn

This paper has been withdrawn.

This paper is withdrawn. See quant-ph/9806031 for a discussion.

This paper has been withdrawn by the authors

This paper has been withdrawn by the author due to a crucial error in the submission action.

This paper has been withdrawn.

This paper has been withdrawn by the author, due to the insecurity against attacks received in quant-ph/0605027v5.

This paper has been withdrawn.

This paper has been withdrawn by the author.

This paper has been withdrawn by the authors.

This paper has been withdrawn by the authors due to an unlikely results.

This paper has been withdrawn, as all conjectures (and one claim) have been proven incorrect.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.