Related papers: Channel and carrier adapted quantum error correcti…

This paper has been withdrawn by the authors. We have discovered an error in the evaluation of the diagram, which invalidates our conclusion.

This paper has been withdrawn because of serious errors.

This paper has been withdrawn by the author.

This paper has been withdrawn, and will be superseded by another submission.

This paper has been withdrawn by the author due to some errors.

This paper has been withdrawn because the author no longer believes the firewall argument is correct.

This paper has been withdrawn by the authors due to a likely hole in the proof.

This paper has been withdrawn by the author(s). Please refer to quant-ph/0311171.

The paper has been withdrawn

This paper has been withdrawn due to fundamental errors.

This paper has been retracted, for obvious reasons.

This paper has been withdrawn by the author(s).The scheme presented is insecure.

This paper has been withdrawn by the authors as they feel it inappropriate to publish this paper for the time being.

This paper has been withdrawn by the authors due to a fatal flaw in the central proof.

This paper has been withdrawn by the authors due to a crucial error.

This paper has been withdrawn, as all conjectures (and one claim) have been proven incorrect.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

This paper was withdrawn by arXiv administrators. It is an erroneous duplicate submission of math.NA/0405095.

This paper has been withdrawn by the author.

This paper has been withdrawn by the author due to a critical error in the proof of Theorem A pointed out by Burkhard Wilking.

This paper has been withdrawn by the author and replaced by arXiv:0809.4751