Related papers: Quantum Bit Commitment from a Computation Bound

The paper has bene withdrawn by the author.

This paper is withdrawn by the author. It is superseded by Makhlin's paper quant-ph/0002045.

This paper is withdrawn because the results in the paper are included in a paper to be published in Mathematical and Computer Modelling.

This paper has been withdrawn. See published paper http://arxiv.org/math.HO/0512390

The paper has been withdrawn

This paper has been withdrawn due to non-clearness of some technical points, as well as lack of a reasonable statement of quantization conjecture.

This paper is withdrawn as it is equivalent to the paper quant-ph/9605035 by Gilles Brassard.

This paper has been withdrawn Abstract: This paper has been withdrawn by the author due to the publication.

This paper has been withdrawn.

This paper has been withdrawn.

This paper has been withdrawn by the authors.

This paper has been withdrawn by the authors, due a oversimplified decoherence model. It will be substituted by a new work.

This paper has been withdrawn by the author

This paper has been withdrawn.

This paper has been withdrawn at the author's request.

The paper is being withdrawn. A new submission will follow.

This paper was withdrawn on 20.11.97.

This paper has been withdrawn by the author, because a better treatment is given in the author's Phd.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.

This paper has been withdrawn for the reasons mentioned in the Comments.

This paper has been withdrawn by the authors.