Related papers: Comments on some papers by M. Koashi and N. Imoto

Withdrawn by authors.

The paper has been withdrawn due to an error in Lemma 1.

This paper has been withdrawn as the proof of Lemma 4.1 is incomplete.

This paper has been withdrawn by the author due to a coming paper completely superseding it.

This paper has been withdrawn due to an error, and no further revisions will be made.

This paper has been withdrawn by the authors.

The paper has been withdrawn.

Paper is withdrawn

This paper has been withdrawn by the author ali pourmohammad.

This paper is cancelled

This paper has been withdrawn by the author.

This paper has been withdrawn by the author, due to a crucial error in page 5.

This paper has been withdrawn.

This paper has been withdrawn by the author(s).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

This paper has been withdrawn by the author due to an error in an inequality in the proof of Theorem 1.1.

This paper has been withdrawn by the author due to the paper does not belong to Condensed Matter field.

This paper has been withdrawn by the author, due to a counter example to step 6.2 indicated by K. Karu.

This paper has been withdrawn.

This paper has been withdrawn by the author due to a crucial mistakes.

This paper has been withdrawn by the author, because a better treatment is given in the author's Phd. thesis (Sections 3.4.6 and 4.4), now available on the arxiv.